View source for Castration

{{Short description|Surgical or chemical action that removes use of testicles}}
{{About|the practice as applied to humans|livestock and pets|Neutering}}
{{Distinguish|Penis removal|Emasculation}}
{{pp-move}}
{{Use dmy dates|date=April 2020}}
[[File:Charaf-ed-Din. Operation for castration (1466).jpg|thumb|270px|A 15th century [[Ottoman Empire|Ottoman]] medical illustration by [[Sabuncuoğlu Şerafeddin]] depicting an operation for castration]]
{{Violence against men}}
'''Castration''' is any action, [[surgery|surgical]], [[chemical substance|chemical]], or otherwise, by which a [[male]] loses use of the [[testicles]]: the male [[gonad]]. Surgical castration is bilateral [[orchiectomy]] (excision of both testicles), while [[chemical castration]] uses [[pharmaceutical drug]]s to deactivate the testes. Some forms of castration cause [[sterilization (medicine)|sterilization]] (permanently preventing the castrated person or animal from [[reproduction|reproducing]]); it also greatly reduces the production of [[hormone]]s, such as [[testosterone]] and [[estrogen]]. Surgical castration in animals is often called [[neutering]].

[[#Other animals|Castration of animals]] is intended to favor a desired development of the animal or of its habits, as an [[anaphrodisiac]] or to prevent [[overpopulation]]. The parallel of castration for female animals is [[spaying]]. Castration may also refer medically to [[oophorectomy]] in female humans and animals.

The term ''castration'' may also be sometimes used to refer to [[emasculation]] where both the testicles ''and'' the penis are removed together. In some cultures, and in some translations, no distinction is made between the two.

==History==
[[File:The Mutilation of Uranus by Saturn.jpg|thumb|upright=1.5|''The Castration of [[Uranus (mythology)|Uranus]]'': fresco by [[Vasari]] and [[Cristofano Gherardi]] ({{circa|1560}}, Sala di Cosimo I, [[Palazzo Vecchio]], [[Florence]])]]
Castration may have arisen in the Neolithic period in response to animal husbandry, rising populations and population specialisation.<ref name="Reusch">{{cite thesis |type=PhD |last=Reusch |first=Kathryn |year=2013 |title=That Which Was Missing: The Archaeology of Castration |publisher=University of Oxford}}</ref>

Either surgical removal of both testicles or [[chemical castration]] may be carried out in the case of [[prostate cancer]].<ref>{{cite web |url= http://www.malecare.com |title=MaleCare.com | website= MaleCare.com |date= 23 February 2011 }}</ref> [[Testosterone]]-depletion treatment (either surgical removal of both testicles or chemical castration) is used to slow down the cancer. Surgical removal of one or both testicles known as [[orchidectomy]] is the most common treatment for testicular cancer.<ref>{{Cite web|date=2018-03-02|title=Testicular cancer – Treatment|url=https://www.nhs.uk/conditions/testicular-cancer/treatment/|access-date=2021-02-25|website=nhs.uk|language=en}}</ref>

Castration has also been used in the United States for [[sex offender]]s as a way of avoiding incarceration.<ref>{{cite web| url= https://abcnews.go.com/US/story?id=93947| title=Some Sex Offenders Opt for Castration| work= ABC News}}</ref> It can greatly reduce sex drive or interest in those with sexual drives, obsessions, or behaviors, or any combination of those that may be considered deviant.

Involuntary castration appears in the history of warfare, sometimes used by one side to torture or demoralize their enemies.<ref>{{cite journal |last1= Eichert |first1= David|date= 2019|title= 'Homosexualization' Revisited: An Audience-Focused Theorization of Wartime Male Sexual Violence| journal= International Feminist Journal of Politics|volume= 21|issue= 3| pages= 409–433|doi= 10.1080/14616742.2018.1522264|s2cid= 150313647}}</ref>

===Africa and the Middle East===
[[File:V.M. Doroshevich-East and War-Eunuch near Door of Sultan's Harem.png|thumb|Chief Eunuch of [[Abdul Hamid II]] (1912)]]
Over the 13 centuries of the [[Arab slave trade]] in Africa, unknown numbers of Africans were enslaved and shipped to the Middle East.

"The Caliphate in Baghdad at the beginning of the 10th Century had 7,000 black eunuchs and 4,000 white eunuchs in his palace."<ref name= "amazon1">{{cite book |title=Islam's Black Slaves: The Other Black Diaspora |url=https://archive.org/details/islamsblackslave00sega |url-access=registration |isbn = 978-0374527976|last1 = Segal|first1 = Ronald|date = 9 February 2002|publisher=Macmillan }}</ref> The Arab slave trade typically dealt in the sale of castrated male slaves. Black boys at the age of eight to twelve had their penises and scrota completely amputated. Reportedly, about two out of three boys died, but those who survived drew high prices.<ref>{{Cite journal | doi=10.1210/jcem.84.12.6206| pmid= 10599682|title = Long-Term Consequences of Castration in Men: Lessons from the Skoptzy and the Eunuchs of the Chinese and Ottoman Courts| journal=The Journal of Clinical Endocrinology & Metabolism| volume=84| issue=12| pages=4324–4331|year = 1999|last1 = Wilson|first1 = Jean D.| last2=Roehrborn| first2=Claus| doi-access=free}}</ref>

===Europe===
==== Slavery ====
The employment or enslavement of eunuchs (castrated men) was practiced in classical and [[Castration in ancient Rome|Roman antiquity]] and continued into the Middle Ages. In the 10th century, slave traders in Verdun in France and in Becâne ([[Pechina]]), Spain, castrated captives who were then enslaved as harem attendants in [[Al-Andalus]].<ref>{{cite journal |last1=Gök |first1=H. İbrahim |date= 2013 |title=The Slave Trade and its Routes in the Mediterranean Region in the Middle Ages |journal=Studia et Documenta Turcologica |volume=2013 |number=1 |pages=173–191 |issn=2344-6560 |publisher=Presa Universitară Clujeană| location=Cluj-Napoca, Romania|quote=From the ancient world on, slavery was a tragic phenomenon in the social and cultural life of human society.|quote-page=173 }}</ref>

==== Punishment ====
[[Edward Gibbon]]'s ''[[The History of the Decline and Fall of the Roman Empire|Decline and Fall of the Roman Empire]]'' reports castration of defeated [[Byzantine Greeks]] at the hands of the [[Franks|Frankish]] marquis [[Theobald I of Spoleto|Theobald]] of Camerino and Spoleto in the course of 10th-century wars in Italy.<ref>{{cite book |last=Gibbon |first=Edward |title=The History of the Decline and Fall of the Roman Empire |publisher=[[Project Gutenberg]] |chapter=Chapter 56 |chapter-url= https://www.gutenberg.org/files/25717/25717-h/25717-h.htm#Elink562HCH0002 |access-date=27 April 2020}}</ref> Gibbon also alludes to a 12th-century incident set out in [[William Fitzstephen]]'s ''Vita Sancti Thomae'' (''Life of [[Thomas Becket|St. Thomas]]'') in which [[Geoffrey Plantagenet, Count of Anjou|Geoffrey of Anjou]] castrated the members of the cathedral chapter of [[Sens Cathedral|Sens]] as a punishment for disobedience.<ref>{{cite book |last=Gibbon |first=Edward |title=The History of the Decline and Fall of the Roman Empire |chapter=Chapter 59 |via=[[Project Gutenberg]] |chapter-url= https://www.gutenberg.org/files/25717/25717-h/25717-h.htm#Flink692HCH0001 |access-date=27 April 2020}}</ref><ref>{{cite journal |last=Gourde |first= Leo T. |title=An Annotated Translation of the Life of St. Thomas Becket by William Fitzstephen |year=1943 |publisher=[[Loyola University Chicago]] |journal=Master's Theses |volume=622 |page=100 |url= https://ecommons.luc.edu/luc_theses/622 |access-date=27 April 2020}}</ref> In the medieval [[kingdom of Georgia]], the 12th-century [[pretender]] [[Demna of Georgia|Demna]] was castrated by his uncle [[George III of Georgia]] to ensure the supremacy of George's branch of the family.<ref>{{cite book|last=Eastmond|first=Antony|title=Royal imagery in medieval Georgia|year= 1998| publisher=Pennsylvania State University Press|location= University Park, Pennsylvania |isbn= 0271016280| page= 107| url= https://books.google.com/books?id=2KPdSQU-Bx4C&pg=PA107 | via= Google Books }}</ref> Another victim of castration was the 12th-century medieval French philosopher, scholar, teacher, and (later) monk [[Pierre Abélard]]. He was castrated by relatives of his lover, [[Heloise (student of Abelard)|Héloïse]].<ref>{{cite book |last1=Russell |first1=Bertrand |title=The History of Western Philosophy |url= https://archive.org/details/historyofwestern00russ |url-access= registration |date=1945 |publisher=Simon & Schuster |page= [https://archive.org/details/historyofwestern00russ/page/436 436]}}</ref> [[Wimund|Bishop Wimund]], a 12th-century English adventurer and invader of the Scottish coast, was blinded and castrated after losing a power struggle.<ref>{{cite book |last1= Newburgh (of) |first1=William |title=Selections from the "Historia rerum anglicarum" of William of Newburgh, by Charles Johnson, M. A. |date=1920 |publisher=SPCK |page=21 |chapter-url= https://openlibrary.org/works/OL4923649W/Selections_from_the_Historia_rerum_anglicarum_of_William_of_Newburgh_by_Charles_Johnson_M._A |access-date=31 January 2020 |language=la |chapter=24 | via= openlibrary.org}}</ref> In medieval England, men found guilty of [[high treason]] were [[hanged, drawn and quartered]], which often included [[emasculation]] (removal of the genitalia).<ref>{{cite book|last=Bellamy|first=John|title=The Tudor Law of Treason|publisher=Routledge & Kegan Paul|year=1979|isbn=978-0-7100-8729-4|location=London|pages=202–204}}</ref>
[[File:Castration.jpg|right|thumb|The procedure of castration as punishment during the 16th century]]

==== Modern era ====
[[Wim Deetman]] was criticized by the Dutch parliament for excluding evidence of castration<ref>{{cite web |url= http://www.rnw.nl/english/article/time-truth-about-catholic-sex-abuse-netherlands|title=Time for the truth about Catholic sex abuse in the Netherlands|work=RNW|access-date=21 March 2012| archive-url= https://web.archive.org/web/20120321230333/http://www.rnw.nl/english/article/time-truth-about-catholic-sex-abuse-netherlands|archive-date=21 March 2012|url-status=dead}}</ref> in his report on sexual abuse by the Roman Catholic Church, where ten children were allegedly "punished" by castration in the 1950s for reporting sexual abuse by Roman Catholic priests. The Deetman Commission had rejected it as the person who reported the incident admitted it was speculative. 

In Spain, a law against castration was used to deny sex-reassignment surgery to transgender people until the Penal Code was reformed in 1983.<ref>{{Cite book|title=Transexualidades: Otras Miradas Posibles|last= Missé|first=Miquel|publisher=Editorial EGALES|year=2013|isbn= 978-84-15899-13-6|location=Barcelona|pages=37}}</ref>

===China===
According to legend, during the reign of the legendary Emperor Shun and Yu in China, in 2281 BC, castration was passed into law as a punishment, remaining so until the reign of [[Emperor Gaozu of Tang|Gaozu of Tang]] (618–626 AD). However, it was still practiced after his reign.<ref>{{cite book|url=https://archive.org/details/chronologicalha00fabegoog|quote=the five punishments are adopted branding cutting off the nose feet castration and death emperor wen kao tsu.|title=Chronological handbook of the history of China: a manuscript left by the late Rev. Ernst Faber|author=Ernst Faber|year=1902|publisher=Pub. by the General Evangelical Protestant missionary society of Germany| page= [https://archive.org/details/chronologicalha00fabegoog/page/n29 3]|access-date=11 January 2011}}</ref> According to historians, it was incorporated into Chinese law during the Zhou dynasty.<ref>{{cite book| url=https://archive.org/details/chinainlighthis00fabegoog|quote=china chow dynasty 1100 imperial castration was one of the five legal corporal punishments.|title=China in the light of history| first= Ernst |last= Faber|year=1897|publisher=American Presbyterian mission press| page= [https://archive.org/details/chinainlighthis00fabegoog/page/n28 18]|access-date=11 January 2011}}</ref> It was one of the five physical punishments that could be legally inflicted on criminals in China.<ref>{{cite book| url= https://books.google.com/books?id=5phBAAAAYAAJ&pg=PA406|title=Cyclopaedia of political science, political economy, and of the political history of the United States, Volume 1| first= John Joseph | last= Lalor|year=1882|publisher= Rand, McNally|page=406|isbn=9780598866110}}</ref>

Records of castrations in China date to the [[Shang dynasty]] ({{circa|1700}}–1050 BC), when the Shang kings castrated prisoners of war.<ref>{{cite book |url= https://books.google.com/books?id=S3Y2PTI_vYYC&pg=PA136|title=Children in slavery through the ages|author1=Gwyn Campbell |author2=Suzanne Miers |author3=Joseph Calder Miller |year=2009|publisher=Ohio University Press|isbn=978-0-8214-1877-2|page=136}}</ref><ref>{{cite book| url= https://books.google.com/books?id=Ka6jNJcX_ygC&pg=PA11|title=The eunuchs in the Ming dynasty|author=Shih-shan Henry Tsai|year=1996|publisher=SUNY Press|isbn=0-7914-2687-4|page=11 |via= Google Books}}</ref>

During the reign of [[King Mu of Zhou|Mu]] of the [[Zhou dynasty]] (10th c. BC) the Minister of Crime, Marquis Lu, reformed the law in 950 BC to make it easier for people to be sentenced to castration instead of death.<ref>{{cite book| url= https://archive.org/details/chinachineseill01werngoog|quote=castration capital avoid.|title=China of the Chinese|author=Edward Theodore Chalmers Werner|year=1919|publisher=Charles Scribner's Sons| page= [https://archive.org/details/chinachineseill01werngoog/page/n182 146]}}</ref> As long as the practice existed in China, not only were the testicles removed but castration included the severing of one's entire genitalia. Both organs were cut off with a knife at the same time.<ref>{{cite book |url= https://books.google.com/books?id=S3Y2PTI_vYYC|title=Children in slavery through the ages|author1=Gwyn Campbell |author2=Suzanne Miers |author3=Joseph Calder Miller |year=2009|publisher=Ohio University Press|isbn=978-0-8214-1877-2|page=138 |via= Google Books}}</ref>

Men were castrated and made into state slaves during the [[Qin dynasty]] (221–206 BC) to perform forced labor for projects such as the [[Terracotta Army]].<ref>{{cite book| url= https://books.google.com/books?id=V6U2AQAAIAAJ| title=Qin Shihuang | first=| last= |year= 2001|publisher=Bayerisches Landesamt für Denkmalpflege|isbn=3-87490-711-2|page=273 |via= Google Books}}</ref> The Qin government confiscated the property and enslaved the families of rapists who received castration as a punishment.<ref>{{cite book|title=The early Chinese empires: Qin and Han| first=Mark Edward | last= Lewis|year=2007|publisher=Harvard University Press |isbn= 978-0-674-02477-9|page=252|url=https://books.google.com/books?id=EHKxM31e408C&pg=PA252 |via= Google Books}}</ref> Men punished with castration during the [[Han dynasty]] were also used as slave labor.<ref>{{cite book| url= https://books.google.com/books?id=8IktAAAAIAAJ|title=Osiris, Volume 10|author=History of Science Society|year=1952|publisher=Saint Catherine Press|page=144 |via= Google Books}}</ref>

In the Han dynasty (206 BC–220 AD), castration continued to be used as a punishment for various offences.<ref>{{cite book |url= https://books.google.com/books?id=A1nwvKNPMWkC&pg=PA75|title=The History of China| publisher=Britannica Educational Publishing, The Rosen Publishing Group| year= 2010| isbn=978-1-61530-181-2|page=76 |via= Google Books}}</ref><ref>{{cite book |via= Google Books |url= https://books.google.com/books?id=NhkRAAAAYAAJ&q=castration|title=Women in traditional Chinese theater: the heroine's play|author=Qian Ma|year= 2005|publisher=University Press of America|isbn=0-7618-3217-3|page=149}}</ref> Chinese historian [[Sima Qian]] was castrated by order of the Han Emperor of China for dissent.<ref>{{cite book |url= https://archive.org/details/chinachineseill01werngoog|quote=castration inflicted li ling.|title=China of the Chinese|author=Edward Theodore Chalmers Werner|year=1919|publisher=Charles Scribner's Sons| page= [https://archive.org/details/chinachineseill01werngoog/page/n188 152] | via= archive.org}}</ref> In another incident multiple people, including a chief scribe and his underlings, were subjected to castration.<ref>{{cite book|url=https://books.google.com/books?id=aLbsTKaO6v0C&pg=PA231|title=The Grand Scribe's Records: The Memoirs of Han China, Part 1 |via= Google Books |author=Ch'ien Ssu-Ma|year=2008|publisher=Indiana University Press|isbn=978-0-253-34028-3|page=231}}</ref>

During the early part of the [[Ming dynasty]] (1368–1644 AD), China demanded eunuchs to be sent as tribute from [[Korea]]. Some of them oversaw the Korean concubines in the harem of the Chinese Emperor.<ref>{{Cite book |via= Google Books |url= https://books.google.com/books?id=tyhT9SZRLS8C&pg=PA301|title=The Cambridge history of China: The Ming dynasty, 1368–1644, Part 1|author1=Frederick W. Mote |author2=Denis Twitchett |author3=John King Fairbank |year=1988|publisher=Cambridge University Press|page=976|isbn=0-521-24332-7}}</ref><ref>{{cite book |via= Google Books |url= https://books.google.com/books?id=Ka6jNJcX_ygC&pg=PA14|title=The eunuchs in the Ming dynasty|author=Shih-shan Henry Tsai|year=1996|publisher=SUNY Press|isbn=0-7914-2687-4|page=16}}</ref>

When the Chinese overthrew Mongol rule, many Mongol captives were castrated and turned into eunuchs.<ref>{{cite book| via= Google Books| url=https://archive.org/details/sim_journal-of-asian-history_1991_25_1|url-access=registration|title=Journal of Asian history, Volume 25|year=1991 |publisher=O. Harrassowitz |page= [https://archive.org/details/sim_journal-of-asian-history_1991_25_1/page/127 127] }}</ref> When the Ming army finally captured [[Yunnan]] from Mongols in 1382, thousands of prisoners were killed and, according to the custom in times of war, their young sons—including [[Zheng He]]—were castrated.<ref>{{Cite news|url=https://www.nytimes.com/2003/02/02/books/chapters/0202-1st-menzi.html|title='1421'|newspaper=The New York Times|date=2 February 2003|last1=Menzies|first1=Gavin}}</ref><ref name="google16">{{cite book |via= Google Books| url=https://books.google.com/books?id=Ka6jNJcX_ygC&pg=PA16|title=The eunuchs in the Ming dynasty|author=Shih-shan Henry Tsai|year=1996|publisher=SUNY Press|isbn=0-7914-2687-4|page=16}}</ref>

During the [[Miao Rebellions (Ming dynasty)]], Chinese commanders castrated thousands of [[Miao people|Miao]] boys when their tribes revolted, and then distributed them as eunuch slaves as gifts to various officials.<ref name="google16"/>

At the end of the Ming dynasty, there were about 70,000 eunuchs (宦官 ''huànguān'', or 太監 ''tàijiàn'') employed by the emperor, with some serving inside the [[Forbidden City]].

The last imperial eunuch in China was [[Sun Yaoting]] who died in 1996.

====Non-Han peoples in China====
The [[Khitan people]] adopted the practice of using eunuchs from the Chinese and the eunuchs used were non-Khitan prisoners of war. The Khitan were a [[nomad]]ic [[Mongols|Mongolic people]] and originally did not have eunuchs as part of their culture.<ref>[http://www.docin.com/p-220201686.html 祝建龙 (Zhu Jianlong), 二〇〇九年四月 (April 2009), 12.](Page 18 on online document viewer, Page 12 on actual document)</ref> When the Khitan founded the [[Liao dynasty]] they developed a [[harem]] system with concubines and wives and adopted eunuchs as part of it. All of the eunuchs captured were ethnic Chinese from the [[Central Plain (China)|Central Plains]] that came from two sources. The Khitan captured Chinese people who were already eunuchs at the Jin court when they invaded the [[Later Jin (Five Dynasties)|Later Jin]]. Another source was during their war with the Chinese [[Song dynasty]]: the Khitan would raid China, capture Han Chinese boys as prisoners of war and emasculate them to become eunuchs. The emasculation of captured Chinese boys guaranteed a continuous supply of eunuchs to serve in the Liao dynasty harem. The Empress Dowager [[Xiao Chuo]] (Chengtian) played a large role in the raids to capture and emasculate the boys.<ref>[http://www.docin.com/p-220201686.html 祝建龙 (Zhu Jianlong), 二〇〇九年四月 (April 2009), 13.] (Page 19 on online document viewer, Page 13 on actual document)</ref>

Chengtian took power at age 30 in 982 as a regent for her son. Some reports suggest that she personally led her own army against the Song Chinese in 986. Her army defeated them in battle,<ref>{{cite book |last1=Bennett Peterson |first1=Barbara |title=Notable women of China : Shang dynasty to the early twentieth century |date=2000 |publisher=Routledge |isbn=978-0765605047 |page=259 |url=https://books.google.com/books?id=KLNrqn4WLZYC&q=empress+xiao+986&pg=PA259 |via= Google Books}}</ref> fighting the retreating Chinese army. She then ordered the castration of around 100 ethnic [[Han Chinese|Chinese]] boys she had captured in China, supplementing the Khitan's supply of eunuchs to serve at her court, among them was [[Wang Ji'en (Liao dynasty eunuch)|Wang Ji'en]]. The boys were all under ten years old and were selected for their good looks.<ref name=Jay>{{cite book |via= Google Books |url= https://books.google.com/books?id=gc_3IXkwG3QC&pg=PA261|title=Women Shall Not Rule|isbn=9781442222908|last1=McMahon|first1=Keith|date=6 June 2013| publisher=Rowman & Littlefield Publishers }}</ref><ref>{{cite book |url= https://books.google.com/books?id=gc_3IXkwG3QC&pg=PA269|title=Women Shall Not Rule|isbn=9781442222908|last1=McMahon|first1=Keith|date=2013 |publisher=Rowman & Littlefield Publishers |via= Google Books}}</ref>

The ''[[History of Liao]]'' described and praised Empress Chengtian's capture and mass castration of the Chinese boys in a biography on Wang Ji'en.<ref>{{cite book |last1=McMahon |first1=Keith |title=Women shall not rule : imperial wives and concubines in China from Han to Liao |date=2013 |publisher=Rowman & Littlefield |isbn=978-1442222892 |page=261}}</ref>

Some legends say that the Mongol [[Genghis Khan]] was castrated by a Tangut princess using a knife, who wanted revenge against his treatment of the Tanguts and to stop him from raping her.<ref>{{cite book |url= https://books.google.com/books?id=mwDJ-3XPNooC&q=tangut+castrate+genghis&pg=PA193|title=In the footsteps of Genghis Khan|author=John DeFrancis|year= 1993|publisher=University of Hawaii Press|isbn=0-8248-1493-2|page= 193 |via= Google Books}}</ref>

During the [[Qing dynasty]] (1644–1911 AD), the sons and grandsons of the rebel [[Yakub Beg of Yettishar|Yaqub Beg]] in China were all sentenced to castration. Surviving members of Yaqub Beg's family included his four sons, four grandchildren (two grandsons and two granddaughters), and four wives. They either died in prison in [[Lanzhou]], Gansu, or were killed by the Chinese. His sons Yima Kuli, K'ati Kuli, Maiti Kuli, and grandson Aisan Ahung were the only survivors in 1879. They were all underage children, and put on trial, sentenced to an agonizing death if they were complicit in their father's rebellious "sedition", or if they were innocent of their fathers crimes, were to be sentenced to castration and serving as [[eunuch]] slaves to Chinese troops, when they reached 11 years old, and handed over to the Imperial Household to be executed or castrated.<ref>{{cite book |via= Google Books| url= https://books.google.com/books?id=Yjg1AQAAIAAJ&pg=PA83|title=Translations of the Peking Gazette|year=1880|page=83}}</ref><ref>{{cite book |via= Google Books |url= https://books.google.com/books?id=DqYoAAAAYAAJ&pg=PA145|title=The American annual cyclopedia and register of important events of the year ..., Volume 4|year=1888|publisher=D. Appleton and Company|page=145}}</ref><ref>{{cite book| url= https://books.google.com/books?id=3xYbAQAAMAAJ&pg=PA145|title=Appletons' annual cyclopedia and register of important events: Embracing political, military, and ecclesiastical affairs; public documents; biography, statistics, commerce, finance, literature, science, agriculture, and mechanical industry, Volume 19|year=1886|publisher=Appleton|page=145 |via= Google Books}}</ref> Although some sources assert that the sentence of castration was carried out, official sources from the US State Department and activists involved in the incident state that Yaqub Beg's son and grandsons had their sentence commuted to life imprisonment with a fund provided for their support.<ref>{{cite book|url=https://archive.org/details/clarencekingmemo00centrich|quote=Cruelty to Children Yakoob Beg.|title= Clarence King Memoirs: The Helmet of Mambrino|author=James D. Hague|year=1904|publisher=G.P. Putnam's Sons|location=New York |page=[https://archive.org/details/clarencekingmemo00centrich/page/50 50]|access-date=19 September 2016}}</ref><ref>{{cite news |author=<!--Staff writer(s); no by-line.--> |title=THE PROTECTION OF CHILDREN.; CASE OF THE KINGMA CHILDREN—LETTER FROM THE STATE DEPARTMENT.|url=https://www.nytimes.com/1880/03/20/archives/the-protection-of-children-case-of-the-kingma-childrenletter-from.html |newspaper=The New York Times |location=New York |date=20 March 1880 |access-date=19 September 2016 }}</ref><ref>{{cite book|url=https://books.google.com/books?id=bp4toTYNDLkC&pg=PT170|title=Empress Dowager Cixi: The Concubine Who Launched Modern China|author=Jung Chang|year=2014|publisher=Anchor|location=New York|page=131|isbn= 978-0-385-35037-2 |via= Google Books}}</ref>

===Korea===
The eunuchs of Korea, called {{lang|ko|Naesi}} ({{Korean|내시|內侍}}), were officials to the king and other royalty in traditional Korean society. The first recorded appearance of a Korean eunuch was in [[Goryeosa]] ("History of Goryeo"), a compilation about the [[Goryeo]] period. In 1392, with the founding of the [[Joseon dynasty]], the {{lang|ko|Naesi}} system was revised, and the department was renamed the "Department of {{lang|ko|Naesi|italics=no}}" ({{Korean|내시부|內侍府|labels=no}}).<ref name="Naesi">{{cite web |url=http://100.naver.com/100.nhn?docid=367722 |archive-url=https://archive.today/20130129153043/http://100.naver.com/100.nhn?docid=367722 |url-status=dead |archive-date=29 January 2013 |title=내시 : 지식백과 |language=ko |website=100.naver.com |access-date=17 December 2015 }}</ref>

The {{lang|ko|Naesi}} system included two ranks, those of {{lang|ko|Sangseon}} ({{Korean|상선|尙膳|labels=no}}, "Chief of {{lang|ko|Naesi|italics=no}}"), who held the official title of senior second rank, and {{lang|ko|Naegwan}} ({{Korean|내관|內官|labels=no}}, "Common official {{lang|ko|naesi|italics=no}}"), both of which held rank as officers. 140 {{lang|ko|naesi}} in total served the palace in Joseon dynasty period. They also took the exam on [[Confucianism]] every month.<ref name= "Naesi"/> The {{lang|ko|naesi}} system was repealed in 1894 following [[Gabo reform]].{{citation needed|date=February 2022}}

According to legend, castration consisted of daubing a boy's [[genital]]s with human [[feces]] and having a dog bite them off.<ref>{{cite book |via= Google Books| url= https://books.google.com/books?id=U-fc5X0cUjwC&pg=PA280|title=Manthropology: The Science of Why the Modern Male Is Not the Man He Used to Be|author=Peter McAllister|year=2010|publisher=Macmillan|isbn= 978-0-312-55543-6|page=280}}</ref> During the [[Yuan dynasty]], eunuchs became a desirable commodity for [[tributes]], and dog bites were replaced by more sophisticated surgical techniques.<ref>{{cite book |via= Google Books |url= https://books.google.com/books?id=S3Y2PTI_vYYC&pg=PA137|title=Children in slavery through the ages|author1=Gwyn Campbell |author2=Suzanne Miers |author3=Joseph Calder Miller |year=2009|publisher=Ohio University Press|isbn=978-0-8214-1877-2|page=137}}</ref>

===Vietnam===
The Vietnamese adopted the eunuch system and castration techniques from China. Records show that the Vietnamese performed castration in a painful procedure by removing the entire genitalia with both penis and testicles being cut off with a sharp knife or metal blade. The procedure was agonizing since the entire penis was cut off.<ref>{{cite news|title= Bí mật về thái giám trong cung triều Nguyễn|author= Theo Công An Nhân Dân|url= https://znews.vn/bi-mat-ve-thai-giam-trong-cung-trieu-nguyen-post336065.html|newspaper= Zing News|date= 18 July 2013|archive-url= https://web.archive.org/web/20130721110844/http://news.zing.vn/xa-hoi/bi-mat-ve-thai-giam-trong-cung-trieu-nguyen/a336065.html|archive-date= 21 July 2013|url-status= live}}</ref> The young man's thighs and abdomen would be tied, and others would pin him down on a table. The genitals would be washed with pepper water and then cut off. A tube would be then inserted into the urethra to allow urination during healing.<ref>{{cite news|title=Bí mật về thái giám trong cung triều Nguyễn|author=Theo Công An Nhân Dân|url=https://znews.vn/bi-mat-ve-thai-giam-trong-cung-trieu-nguyen-post336065.html|newspaper=Zing news|date=18 July 2013| archive-url= https://web.archive.org/web/20130721110844/http://news.zing.vn/xa-hoi/bi-mat-ve-thai-giam-trong-cung-trieu-nguyen/a336065.html|archive-date=21 July 2013|url-status=live}}</ref> Many Vietnamese eunuchs were products of self-castration in order to gain access to the palaces and power. In other cases, they might be paid to become eunuchs. They served in many capacities, from supervising public works, to investigating crimes, to reading public proclamations.<ref>{{cite book |last1=Taylor |first1=K. W. |title=A history of the Vietnamese |date=2013 |publisher=Cambridge University Press |isbn=978-0521875868 |page=121}}</ref>

[[Lý Thường Kiệt]] was a prominent eunuch general during the [[Lý dynasty]] (1009–1225).

The [[Trần dynasty]] sent Vietnamese boy eunuchs as tribute to Ming dynasty China several times, in 1383, 1384 and 1385<ref name="Tsai 1996 p. 15">Tsai (1996), p. 15 {{Google books|Ka6jNJcX_ygC|The Eunuchs in the Ming dynasty (Ming Tai Huan Kuan)|page=15}}</ref> Nguyen Dao, Nguyen Toan, Tru Ca, and Ngo Tin were among several Vietnamese eunuchs sent to China.<ref>Nguyẽ̂n (2008), p. 169 {{Google books|tUN8tC0ftJcC|The History Buddhism in Vietnam, Vol. IIID.5|page=169}}</ref>

During the [[Fourth Chinese domination of Vietnam]], the Ming Chinese under the [[Yongle Emperor]] castrated many young Vietnamese boys, choosing them for their handsomeness and ability, and brought them to Nanjing to serve as eunuchs. Among them were the architect-engineer [[Nguyễn An]]<ref>Wang (2000), p. 135 {{Google books|CdJKLd2jJq0C|Aching for Beauty: Footbinding in China|page=135}}</ref> and [[Nguyen Lang]] ({{lang|vi-Hani|阮浪}}).<ref>Goodrich (1976), p. 691 {{Google books|067On0JgItAC|Dictionary of Ming Biography, 1368–1644|page=691}}</ref> Vietnamese were among the many eunuchs of different origins found at Yongle's court.<ref>Campbell (2009), p. 147 {{Google books|S3Y2PTI_vYYC|Children in Slavery Through the Ages|page=147}}</ref> Among the eunuchs in charge of the Capital Battalions of [[Beijing]] was Xing An, a Vietnamese.<ref>Tran (2006), p. 116 {{Google books|tzh1fQEEFPAC|Việt Nam: Borderless Histories|page= 116}}</ref>

In the [[Lê dynasty]] the Vietnamese Emperor [[Lê Thánh Tông]] was aggressive in his relations with foreign countries including China. A large amount of trade between Guangdong and Vietnam happened during his reign. Early accounts recorded that the Vietnamese captured Chinese whose ships had blown off course and detained them. Young Chinese men were selected by the Vietnamese for castration to become eunuch slaves to the Vietnamese. It has been speculated by modern historians that the Chinese who were captured and castrated by the Vietnamese were involved in trade between China and Vietnam instead of actually being blown off course by the wind and they were punished as part of a crackdown on foreign trade by Vietnam.<ref>{{cite book|url=https://archive.org/details/miscellaneouspa00irelgoog|title=Miscellaneous papers relating to Indo-China: reprinted for the Straits Branch of the Royal Asiatic Society from Dalrymple's "Oriental Repertory," and the "Asiatic Researches" and "Journal" of the Asiatic Society of Bengal, Volume 1|author=Royal Asiatic Society of Great Britain and Ireland. Straits Branch, Reinhold Rost|publisher=Trübner & Co.|year=1887|location=LONDON|page=[https://archive.org/details/miscellaneouspa00irelgoog/page/n278 252]}}</ref>

Several Malay envoys from the [[Malacca sultanate]] were attacked and captured in 1469 by the Lê dynasty of Annam (Vietnam) as they were returning to Malacca from China. The Vietnamese enslaved and castrated the young from among the captured.<ref name="Tsai 1996 p. 15"/><ref>Rost (1887), p. 252 {{Google books|utZMAAAAYAAJ|Miscellaneous papers relating to Indo-China and Indian archipelage: reprinted for the Straits Branch of the Royal Asiatic Society. Second Series, Volume 1| page= 252}}</ref><ref>{{harvnb|Wade|2005|pp=3785–3786}}</ref>

A 1472 entry in the [[Ming Shilu]] reported that when some Chinese from [[Nanhai District|Nanhai county]] escaped back to China after their ship had been blown off course into Vietnam, where they had been forced to serve as soldiers in Vietnam's military. The escapees also reported that they found out up to 100 Chinese men remained captives in Vietnam after they were caught and castrated by the Vietnamese after their ships were blown off course into Vietnam. The Chinese Ministry of Revenue responded by ordering Chinese civilians and soldiers to stop going abroad to foreign countries.<ref>{{harvnb|Wade|2005|pp=2078–2079}}</ref><ref>{{cite book |title=The Chinese State at the Borders |year=2007 |publisher=UBC Press |isbn=978-0774813334 |chapter-url=https://archive.org/details/chinesestateatbo0000unse/page/92 |author=Leo K. Shin |edition=illustrated |chapter=Ming China and Its Border with Annam |editor=Diana Lary |access-date=5 January 2013 |page=[https://archive.org/details/chinesestateatbo0000unse/page/92 92] }}</ref><ref>{{cite book|title=明實錄 (Ming Shilu)|chapter-url=http://wenxian.fanren8.com/06/03/49/106.htm|access-date=5 January 2013|language=zh|chapter=首页 > 06史藏-1725部 > 03别史-100部 > 49-明实录宪宗实录-- > 106-明宪宗纯皇帝实录卷之一百六|url-status=dead|archive-url=https://web.archive.org/web/20130921053755/http://wenxian.fanren8.com/06/03/49/106.htm|archive-date=21 September 2013}}</ref><ref>《明宪宗实录》卷一百六，成化八年七月癸亥</ref> China's relations with Vietnam during this period were marked by the punishment of prisoners by castration.<ref>Tsai (1996), p. 16 {{Google books|Ka6jNJcX_ygC|The Eunuchs in the Ming Dynasty (Ming Tai Huan Kuan)|page=16}}</ref><ref>Tsai (1996), p. 245 {{Google books|Ka6jNJcX_ygC|The Eunuchs in the Ming dynasty (Ming Tai Huan Kuan)|page=245}}</ref>

A 1499 entry in the Ming Shilu recorded that 13 Chinese men from [[Wenchang]] including a young man named Wu Rui were captured by the Vietnamese after their ship was blown off course while traveling from [[Hainan]] to [[Guangdong]]'s Qin subprefecture ([[Qinzhou]]), after which they ended up near the coast of Vietnam, during the [[Chenghua Emperor]]'s rule (1447–1487). Twelve of them were enslaved to work as agricultural laborers, while the youngest, [[Wu Rui (eunuch)|Wu Rui]] was selected for castration since he was the only young man and he became a eunuch attendant at the [[Imperial Citadel of Thăng Long|Vietnamese imperial palace in Thang Long]]. After years of service, he was promoted at the death of the Vietnamese ruler in 1497 to a military position in northern Vietnam. A soldier told him of an escape route back to China and Wu Rui escaped to [[Longzhou County|Longzhou]]. The local chief planned to sell him back to the Vietnamese, but Wu was rescued by the [[Pingxiang, Guangxi|Pingxiang]] magistrate and then was sent to Beijing to work as a eunuch in the palace.<ref>{{cite book |title=The Chinese State at the Borders |year=2007 |publisher=UBC Press |isbn=978-0774813334 |url=https://archive.org/details/chinesestateatbo0000unse/page/91 |author=Leo K. Shin |edition=illustrated |author-link=Ming China and Its Border with Annam |editor=Diana Lary |access-date=5 January 2013 |page=[https://archive.org/details/chinesestateatbo0000unse/page/91 91] }}</ref>

The ''[[Đại Việt sử ký toàn thư]]'' records that in 1467 in An Bang province of Dai Viet (now [[Quảng Ninh Province]]) a Chinese ship blew off course onto the shore. The Chinese were detained and not allowed to return to China as ordered by Le Thanh Tong.<ref>Cooke (2011), p. 108 {{Google books|7mlKjn3FfoMC|The Tongking Gulf Through History|page=108}}</ref> This incident may be the same one where Wu Rui was captured.<ref name="Cooke 2011 p. 109">Cooke (2011), p. 109 {{Google books|7mlKjn3FfoMC|The Tongking Gulf Through History|page=109}}</ref>

In the [[Nguyễn dynasty]] the poet [[Hồ Xuân Hương]] mocked eunuchs in her poem as a stand-in for criticizing the government.<ref>Chandler (1987), p. 129 {{Google books|jzUz9lKn6PEC|In Search of Southeast Asia: A Modern History|page=129}}</ref>

Commoners were banned from undergoing castration in Vietnam; only adult men of high social rank could be castrated. Most eunuchs were born as such with a congenital abnormality. The Vietnamese government mandated that boys born with defective genitalia were to be reported to officials, in exchange for the town being freed from mandatory labor requirements. The boy would have the option of serving as a eunuch official or serving the palace women when he became ten years old.<ref>Andaya (2006), p. 177 {{Google books|tClCMl7hswQC|The Flaming Womb: Repositioning Women in Early Modern Southeast Asia|page=177}}</ref> This law was put in place in 1838 during the Nguyễn dynasty.<ref>Woodside (1971), p. 66 {{Google books|0LgSI9UQNpwC|Vietnam and the Chinese Model: A Comparative Study of Nguyen and Ch'ing Civil Government in the First Half of the Nineteenth Century|page=66}}</ref> The only males allowed inside the Forbidden City at [[Huế]] were the Emperor and his eunuchs.<ref>Fodor's (2012), p. 31 {{Google books|j6EtDnQnnvAC|Fodor's See It Vietnam, 3rd Edition|page=31}}</ref>

The presence of eunuchs in Vietnam was used by the French colonizers to degrade the Vietnamese.<ref>Stearns (2006), p. 1 {{Google books|oJFrN5tRlCgC|Aching for Beauty: Footbinding in China|page=1}}</ref>

===Americas===
In 1778, [[Thomas Jefferson]] wrote a bill in Virginia reducing the punishment for rape, polygamy, or sodomy from death to castration.<ref>{{Cite web |title=Thomas Jefferson, A Bill for Proportioning Crimes and Punishments 1778 Papers 2:492—504l |url=http://press-pubs.uchicago.edu/founders/documents/amendVIIIs10.html}}</ref> Over the years, several U.S. states have passed laws regarding chemical castration for sex offenders but not one state has mandatory castration. In 2016, Alabama lawmaker [[Steve Hurst]] proposed a bill requiring certain sex offenses to require the perpetrator be castrated prior to their release from state custody.<ref name="CBS_US_Castration_Bill">{{cite news |title=Lawmaker introduces sex offender castration bill in Alabama |url=https://www.cbsnews.com/news/lawmaker-introduces-sex-offender-castration-bill-in-alabama/|work=CBS News |date=7 March 2016}}</ref>

A 1969 study found that men institutionalized at the same facility in Kansas lived an extra 14 years, on average, if they were castrated.<ref>{{Cite web|date=2013-03-07|title=Castrated men live longer|url=https://ami.group.uq.edu.au/castrated-men-live-longer|access-date=2020-07-13|website=ami.group.uq.edu.au|language=en}}</ref>

In 1983, Judge C. Victor Pyle sentenced three men convicted of rape to choose between 30 years in prison or castration.<ref name="NYT_US_1983_Judge_Pyle">{{cite news |last1=Schmidt |first1=William E. |title=Rape Sentence: Castration or 30 Years |url=https://www.nytimes.com/1983/11/26/us/rape-sentence-castration-or-30-years.html|work=The New York Times|date=26 November 1983}}</ref> The South Carolina Supreme Court ruled that the castration option would be cruel, however, and the men were sentenced to prison.<ref>{{Cite web|last=Hirsley|first=Michael|date=10 January 1985|title=3 ask for castration as option to prison|url=https://www.chicagotribune.com/news/ct-xpm-1985-01-10-8501020772-story.html|access-date=13 July 2020|website=Chicago Tribune|language=en-US}}</ref><ref>{{Cite web|last=Ellis|first=Mike|date=20 January 2016|title=Anderson's infamous rapist, once set to be castrated, gets new prison term|url=https://www.independentmail.com/story/news/local/2016/01/20/andersons-infamous-rapist-once-set-to-be-castrated-gets-new-prison-term/88660372/|url-status=dead|archive-url=https://web.archive.org/web/20200715092641/https://www.independentmail.com/story/news/local/2016/01/20/andersons-infamous-rapist-once-set-to-be-castrated-gets-new-prison-term/88660372/|archive-date=15 July 2020|access-date=2020-07-13|website=Independent Mail|language=en}}</ref>

==Prevention of crime==
Chemical or surgical castration is practiced in many countries for people convicted of sex crimes as a prerequisite for their release from prison. The castration may be voluntary or mandated. The assumption is that it prevents future crimes. Reports are available from American and European countries for over 80 years (chemical for circa 30).<ref>{{cite news |work=The Atlantic |url=https://www.theatlantic.com/health/archive/2019/06/alabama-chemical-castration/591226/ |title=Alabama Moves to State-Ordered Castration |access-date=31 January 2020}}</ref> The effectiveness and ethics of this treatment are heavily debated.

A ''temporary'' "chemical castration" has been studied and developed as a preventive measure and [[punishment]] for several repeated [[sex crime]]s, such as rape or other [[sexual assault|sexually related violence]].<ref>{{cite web|url=http://serendip.brynmawr.edu/biology/b103/f02/web1/kamlin.html|title=Chemical Castration: The Benefits and Disadvantages Intrinsic to Injecting Male Pedophiliacs with Depo-Provera|author=Katherine Amlin|access-date=13 June 2007|archive-url=https://web.archive.org/web/20070706075300/http://serendip.brynmawr.edu/biology/b103/f02/web1/kamlin.html|archive-date=6 July 2007|url-status=dead}}</ref><ref>{{cite web|url=http://archive.southcoasttoday.com/daily/04-97/04-27-97/a09wn032.htm|title='Chemical castration' OK'd for Montana inmates|publisher= N.Y. Times News Service|year=1997}}</ref> Where homosexuality has been criminalised or treated as a mental illness, chemical castration has been used on gay men, as in the case of [[Alan Turing]].<ref name="PardonPetition">{{cite web | title = Grant a pardon to Alan Turing | url = https://submissions.epetitions.direct.gov.uk/petitions/23526 | date = 6 December 2011 | url-status=dead | archive-url = https://web.archive.org/web/20120110183548/http://submissions.epetitions.direct.gov.uk/petitions/23526 | archive-date = 10 January 2012}}</ref>

In modern times, the [[Czech Republic]] practices surgical castration of convicted sex offenders. According to the reports compiled by Council of Europe, a human-rights forum, the central European country physically castrated at least 94 prisoners in the 10 years up to April 2008. The Czech Republic defends this procedure as voluntary and effective.<ref>{{cite web|url=http://www.cpt.coe.int/documents/cze/2009-02-05-eng.htm |title=Council of Europe report on the Czech Republic |publisher=Cpt.coe.int |date=5 February 2009}}</ref> According to Dr. Martin Hollý, director of the Psychiatric Hospital Bohnice in Prague, none of the nearly 100 sex offenders who had been physically castrated had committed further offences.<ref>{{cite news|author=Dan Bilefsky |url=https://www.nytimes.com/2009/03/11/world/europe/11castrate.html |title=Europeans Debate Castration of Sex Offenders |location=Europe;Czech Republic |work=The New York Times |date=10 March 2009}}</ref> One serial offender stated that being castrated was the "best decision" he ever made: "On the one hand you have to protect the potential victims and on the other hand I wanted to be protected from myself, I wanted to live like a normal person."<ref name="ukadvisor"/> Don Grubin, a professor at [[Newcastle University]]'s Institute of Neuroscience who also runs a chemical castration program backed by the UK's [[Ministry of Justice (United Kingdom)|Ministry of Justice]], was initially opposed to physical castration. After visiting the Czech Republic, however, he agreed that some form of castration might be of benefit to some sex offenders.<ref name="ukadvisor">{{cite news|author=Whitehead, Tom |url=https://www.telegraph.co.uk/news/newstopics/politics/lawandorder/5351019/Sex-offences-advisor-backs-castration.html |title=Sex offences advisor backs castration |date=20 May 2009 |work=The Daily Telegraph |location=London|url-status=dead |archive-url=https://web.archive.org/web/20110320074135/http://www.telegraph.co.uk/news/newstopics/politics/lawandorder/5351019/Sex-offences-advisor-backs-castration.html |archive-date=20 March 2011 }}</ref><ref name="cnre">{{cite news |url=http://www.channel4.com/news/articles/world/europe/cutting%20the%20numbers%20reoffending%20%20/3158772 | title = Cutting the numbers re-offending? |date=20 May 2009 |publisher=[[Channel 4]]}}</ref>

In 2020, the [[Pakistan]]i-controlled section of [[Kashmir]] passed a bill allowing for convicted child sex abusers to be chemically or surgically castrated.<ref>{{cite news|url=https://www.efe.com/efe/english/portada/pakistani-kashmir-approves-castration-for-pedophilia/50000260-4287072|title=Pakistani Kashmir approves castration for pedophilia|publisher=EFE|date=July 2, 2020}}</ref>

In 2020, a motion calling for surgical castration of convicted rapists was defeated in the [[Nigerian House of Representatives]].<ref>{{Cite web|url=https://allafrica.com/stories/202006050186.html|title = Nigeria: House of Reps Rejects Castration as Punishment for Rapists|date = 5 June 2020}}</ref> However, there remains support for the policy.<ref>{{Cite web|url=https://www.premiumtimesng.com/news/top-news/403148-rapists-should-be-castrated-gbajabiamila.html|title = Rapists should be castrated—Gbajabiamila &#124; Premium Times Nigeria|date = 15 July 2020}}</ref><ref>{{Cite web|url=https://www.vanguardngr.com/2020/08/kano-monarch-okays-castration-for-rapists/|title=Kano Monarch okays castration for rapists|date=24 August 2020}}</ref>

In 2024, Louisiana became the first U.S. state to allow judges to impose castration on sex offenders.<ref>{{Cite web |last=Cline |first=Sara |date=2024-06-21 |title=Louisiana Legalizes Surgical Castration For Child Molesters |url=https://www.huffpost.com/entry/ap-us-castration-law-louisiana_n_6675f7eee4b00383ac7d9fd8 |access-date=2024-06-22 |website=HuffPost |language=en}}</ref> Previously, in several states, convicted offenders could choose castration, including where it was a prerequisite for parole. However, should the person choose to remain in prison, they would not be forced to be castrated.<ref>{{Cite web |last=Chandler |first=Kim |date=2019-06-16 |title=Alabama orders 'chemical castration' of some child molesters |url=https://apnews.com/article/77cd155339744a9396399ae641096230 |access-date=2024-06-22 |website=AP News |language=en}}</ref>

===Criticism===
Some criminologists argue that the reported lower recidivism rates in castrated male sex offenders compared to non-castrated ones does not conclusively prove that it is a biological effect of castration, but might be explained by other factors. One suggested factor from [[game theory]] is that men who are willing to accept castration to get a shorter prison sentence are those who value freedom from prison higher than men who are not willing to pay the price for freedom in the form of their testicles. This hypothesis could explain their apparent lower recidivism as a result of working harder to conceal the evidence for their crimes, and argue that their parole is a danger of releasing offenders who only hide their crimes more efficiently and are not any less likely to commit new crimes. These criminologists also argue that police investigators treating castrated men as less likely to reoffend than non-castrated men may cause an investigation bias and [[self-fulfilling prophecy]].<ref>Christine Horne, Michael J. Lovaglia (2008). "Experiments in Criminology and Law: A Research Revolution"</ref><ref>Lorie A. Fridell (2016). "Producing Bias-Free Policing: A Science-Based Approach"</ref>

==Torture and war crimes==
[[File:Italian military emasculated Second Italo-Ethiopian War.jpg|thumb|right|An Italian soldier who was castrated and emasculated during the [[Second Italo-Ethiopian War]].]]

Castration and other forms of [[male genital mutilation]] have been practiced against enemy soldiers and civilians from ancient times to the twenty-first century.<ref name=Myrttinen>{{cite book |last1=Myrttinen |first1=Henri |chapter=Languages of castration – male genital mutilation in conflict and its embedded messages|pages=72, 79 |title=Sexual Violence Against Men in Global Politics |date=2018 |publisher=Routledge |isbn=978-1-315-45647-8 |language=en}}</ref> Sometimes it is practiced against living boys and men and other times against corpses.<ref name=Myrttinen/>

The castration of defeated enemies and the taking of body parts as trophies were traditional in [[Ethiopia]],<ref>{{cite book |first=Reidulf Knut |last=Molvaer |title=Socialization and social control in Ethiopia |publisher=[[Otto Harrassowitz Verlag]] |year=1995 |page=104}}</ref> and Ethiopian forces practiced castration and emasculation during the [[Second Italo-Ethiopian War]] (1935–1937).<ref>{{cite book |last=Antonicelli |first=Franco |series=Reprints Einaudi |number=32 |title=Trent'anni di storia italiana: dall'antifascismo alla Resistenza (1915–1945) lezioni con testimonianze |language=it |trans-title=Thirty Years of Italian History: From Antifascism to the Resistance (1915–1945) Lessons with Testimonials |year=1975 |publisher=[[Giulio Einaudi Editore]] |location=[[Torino]] |page=79 |oclc=878595757}}</ref><ref>{{cite journal |last=Zamorani |first=Massimo |title=La strage della "Gondrand" |trans-title=The "Gondrand" massacre |journal=Storia Militare |volume=XXI |issue=236 |date=May 2013 |pages=37–39 |language=it}}</ref> Italian aviator [[Tito Minniti]] was allegedly one victim of this practice.<ref>Declaration of Abdel Mohsein El Uisci in the Dossier "ASD – MAE Etiopia Fondo Guerra, 131/34" given to the League of Nations by the Italian government</ref>

One British RAF officer, G. C. Gardiner DSO DFC, is recorded as having been castrated after a crash landing in Syria.<ref>Richardson, F. C. ''Man Is Not Lost: the Log of a Pioneer RAF Pilot/Navigator 1933–1946'' 1997 p.113 
 ISBN 1853108685</ref> During the [[Mau Mau uprising]], there were reported instances of British security forces castrating Kenyan detainees in [[List of British concentration camps during the Mau Mau Uprising|internment camps]].<ref name=Myrttinen/>

A video released during the [[2022 Russian invasion of Ukraine]] appeared to show Russian soldiers castrating a Ukrainian captive with a [[box cutter]]. This led to a wave of international condemnation against the Russian military for its use of torture in wartime.<ref name="Ukraine">{{cite news |url=https://www.businessinsider.com/ukraine-prisoner-castration-video-sparks-horrified-reaction-2022-7 |last=Jankowicz |first=Mia |title=Zelenskyy aide says Russia must pay after horrific video appears to show captive soldier being castrated |website=[[Business Insider|Insider]] |department=News |date=29 July 2022 |publisher=[[Insider Inc.]] |access-date=8 August 2022}}</ref> Many other cases of Russian troops castrating Ukrainian prisoners of war have also emerged.<ref>{{cite news |last=Barber |first=Harriet |date=28 November 2022 |title=Castration, gang-rape, forced nudity: How Russia's soldiers terrorise Ukraine with sexual violence |url=https://www.telegraph.co.uk/global-health/terror-and-security/how-russian-soldiers-terrorise-ukraine-sexual-violence/ |work=The Telegraph |access-date=20 July 2023}}</ref><ref>{{cite news |last=Lamb |first=Christina |date=17 June 2023 |title=She thought she was unshockable, then two castrated Ukrainian soldiers arrived |url= https://www.thetimes.com/world/russia-ukraine-war/article/ukraine-soldiers-castrated-russia-war-0hflzhzlv |work=[[The Times]]|access-date=20 July 2023}}</ref><ref>{{cite news |last=Luckhurst |first=Josh |date=18 June 2023 |title= Ukrainian prisoners of war return having been castrated by drunken Russian soldiers |url=https://www.mirror.co.uk/news/world-news/ukrainian-prisoners-war-return-having-30261093 |work=The Mirror |access-date=20 July 2023}}</ref><ref>{{cite news |author=<!--not stated--> |date=20 June 2023|title='Worse than hell': Castrated Ukrainian soldier details months of torture as a prisoner of war |url=https://www.news.com.au/world/europe/worse-than-hell-castrated-ukrainian-soldier-details-months-of-torture-as-a-prisoner-of-war/news-story/e1e137782ce73e85714ed358292f03e3|access-date=20 July 2023}}</ref> According to the [[Prosecutor|prosecutors]], 101 cases of sexual violence against Ukrainian men by occupying Russian forces have been recorded, including 50 in the [[Kherson]] region. But this is almost certainly a vast undercount, since experts say men are often reluctant to report sexual violence.<ref>{{Cite web |title=Russian soldiers torturing their Ukrainian counterparts |url=https://www.occrp.org/en/investigations/rape-electric-shocks-and-threats-of-castration-what-four-ukrainian-men-endured-under-russian-occupation |last1=Korniichuk |first1=Yana |last2=Babinets |first2=Anna |last3=Lozovsky |first3=Ilya |date=2 April 2024 |website=Organized Crime and Corruption Reporting Project |access-date= 2 June 2024}}</ref> 

When Ukrainian cities were liberated, numerous abuses by Russian forces were exposed, including castrations, in attempts to terrorize and demoralize the Ukrainian population to break their will to fight.<ref>{{cite interview |last=Brancati |first=Dawn |title=Sexual Violence in the Russian Invasion of the Ukraine |work= ISS Reflections Series |date=12 April 2022 |publisher=Yale Jackson School of Global Affairs |url=https://jackson.yale.edu/iss/iss-reflections/sexual-violence-in-the-russian-invasion-of-the-ukraine/ |access-date=20 July 2023}}</ref>

==Music==
{{Main|Castrato}}
In Europe, when women were not permitted to sing in church or cathedral choirs in the Roman Catholic Church, boys were castrated to develop a special high [[Register (music)|voice]] and to prevent their voices breaking at [[puberty]]. The first documents mentioning ''[[castrato|castrati]]'' are Italian church records from the 1550s.<ref name="one">John Rosselli, "Castrato" article in ''The New Grove Dictionary of Music and Musicians'', 2001.</ref> In the baroque and classical music eras these singers were highly appreciated by opera composers as well. [[Mozart]]'s ''Exultate Jubilate'', [[Gregorio Allegri|Allegri]]'s ''[[Gregorio Allegri#The Miserere|Miserere]]'' and other pieces from this period now sung by [[soprano]]s and countertenors were written for ''castrati''. Some of the alto parts of [[Handel]]'s [[Messiah (Handel)|Messiah]] were first sung by a ''castrato''. ''Castrati'' include [[Farinelli]], [[Senesino]], [[Giovanni Carestini|Carestini]], and [[Caffarelli (castrato)|Caffarelli]]. The last true ''castrato'' was [[Alessandro Moreschi]] (1858–1922) who served in the [[Sistine Chapel Choir]].<ref>{{cite web|last1=Ellis|first1=Samantha|title=All mouth and no trousers|url=https://www.theguardian.com/music/2002/aug/05/classicalmusicandopera.artsfeatures|website=The Guardian|date=5 August 2002}}</ref> It was not until the late 19th century that the Roman Catholic Church officially condemned the production of ''castrati''. In modern times, the Mexican [[Javier Medina]] is the only professional opera singer who can perform as a castrato, since he had an involuntary chemical castration, as a result of a cancer treatment that he had before he reached puberty.<ref>{{Cite web |url=http://www.ft.com/cms/s/0/74d57b3c-a7b8-11dd-865e-000077b07658.html |title=Javier Medina – 'I'm A Natural Castrato' |work=Financial Times |access-date=22 November 2016 |archive-url=https://web.archive.org/web/20150316183416/http://www.ft.com/cms/s/0/74d57b3c-a7b8-11dd-865e-000077b07658.html |archive-date=16 March 2015 |url-status=dead}}</ref>

==Religion==

===Hinduism===
In South Asia, many [[Hijra (South Asia)|hijras]] live in well-defined, organized, all-hijra communities, led by a guru. The power of the hijras as a sexually ambiguous category can only be understood in the religious context of Hinduism. In some Hindu beliefs, ritual, and art, the power of the combined man/woman, or androgyne, is a frequent and significant theme. [[Bahuchara Mata]], the main object of hijra veneration, is specifically associated with [[transgender]] topics.<ref>{{cite web|url=http://www.everyculture.com/South-Asia/Hijra-Religion-and-Expressive-Culture.html |title=Religion and expressive culture – Hijra |publisher=Everyculture.com |access-date=17 August 2012}}</ref>

===Christianity===
In the [[Gospel of Matthew]], [[Jesus of Nazareth]] mentions castration in a discussion about avoiding adultery and divorce that some are involuntarily castrated or born that way, while some others "make themselves eunuchs" willingly out of a desire to be chaste ({{bibleverse||Matthew|19:1–12|KJV}}). Given Jesus' frequent use of metaphor and hyperbole, e.g. {{bibleverse||Luke|9:62|KJV}}, the Catholic Church has broadly discouraged any understanding of this passage as recommending literal "self-castration". That is consistent with Jesus' claims (as a rabbi) to uphold the Law given to Moses, e.g. {{bibleverse||Matthew|5:17|KJV}}, a Law which also discouraged literal castration {{bibleverse||Deut|23:1|KJV}}. However, in his own comments Jesus had no condemnation for any of the above. In {{bibleverse||Acts|8:34–8:39|KJV}}, a eunuch is baptized by [[Philip the Evangelist]], demonstrating acceptance of castrated individuals in his church.

The first canon of the [[First Council of Nicaea]] in 325 AD forbade clergy members to voluntarily castrate themselves "when in perfect health", but freely accepted those who had been either castrated by others against their will, castrated due to a medical sickness or necessity, or those born as eunuchs.

Paul, arguing against self-righteousness regarding [[circumcision]] in {{bibleverse||Galatians|5:12|KJV}}, says "As for those agitators, I wish they would go the whole way and emasculate themselves!" ([[New International Version|NIV]])

Well-known Christian eunuchs (or alleged eunuchs) include:
* [[Origen]], who is reported by [[Church History (Eusebius)|Eusebius]]<ref>{{cite web|url=http://www.ccel.org/ccel/schaff/npnf201.iii.xi.viii.html |title=NPNF2-01. Eusebius Pamphilius: Church History, Life of Constantine, Oration in Praise of Constantine |publisher=Ccel.org |date=13 July 2005}}</ref> to have castrated himself based on his reading of the [[Gospel of Matthew]] {{bibleverse-nb||Matthew|19:12|}} and other passages in Matthew and Mark that appear to endorse voluntary amputation to avoid sin, although there is some doubt concerning this story. [[Philip Schaff|Schaff]] considers the account genuine but cites [[Ferdinand Christian Baur|Baur]] ''et al.'' in opposition.<ref>[http://www.ccel.org/ccel/schaff/npnf201.iii.xi.viii.html Eusebius' Church History Book 6, Chapter 8 Origen's Daring Deed] note 1809: "This act of Origen's has been greatly discussed, and some have even gone so far as to believe that he never committed the act ... There is no reason, however, to doubt the report, for which we have unimpeachable testimony, and which is in itself not at all surprising ..."</ref> Origen argues against such literal interpretations of the passages from Matthew and Mark in his First Principles.
* Bishop [[Melito of Sardis]] (d. ''ca'' 180), who was a [[eunuch]], according to the church history of [[Eusebius of Caesarea]], though, significantly the word "virgin" was substituted in [[Tyrannius Rufinus|Rufinus]]' Latin translation of Eusebius.
* [[Boston Corbett]], who was inspired by this same verse {{bibleverse-nb||Matthew|19:12|}} to castrate himself (Corbett was the 19th-century American soldier who is generally believed to have fired the shot that killed [[John Wilkes Booth]]).
* [[Skoptsy]], a branch of the Russian [[Spiritual Christianity]] movement founded in the 1760s.

===Judaism===
[[Judaism]] strictly forbids the castration of either humans or animals.<ref>[[Talmud]] [[Shabbat (Talmud)|Shabbos]] 110b</ref> Deuteronomy 23:1 expels castrated men from the assembly of Israel; they are forbidden to marry or if married must divorce from their wives (though permitting the castrated to marry or remain married to female converts to Judaism). The laws of castration also apply to cases of irreversible or un-reversed vasectomy and all other cases where the flow of sperm is known to have been placed into a permanent state of dysfunction with either no hope or no desire to take the steps to repair.<ref>{{cite web |title=Ask the Rabbi: Vasectomy |url=https://www.aish.com/atr/Vasectomy.html |website=Aish.com |date=20 August 2011 |access-date=4 March 2020}}</ref>

Isaiah 56:3–5 references in a positive welcoming manner eunuchs who follow after God's laws. "Neither let the son of the stranger, that hath joined himself to the LORD, speak, saying, The LORD hath utterly separated me from his people: neither let the eunuch say, Behold, I am a dry tree. For thus saith the LORD unto the eunuchs that keep my sabbaths, and choose the things that please me, and take hold of my covenant; Even unto them will I give in mine house and within my walls a place and a name better than of sons and of daughters: I will give them an everlasting name, that shall not be cut off."

According to [[Rashi]], Kham (Ham) castrated his father Noah and was cursed as a result.<ref>{{Cite book |last=Perani |first=Mauro |editor-first1=Mauro |editor-last1=Perani |url=https://www.degruyter.com/document/doi/10.1515/9783110901399/html?lang=en |title=The Words of a Wise Man's Mouth are Gracious |chapter="The Words of a Wise Man's Mouth are Gracious" (Qoh 10,12): Festschrift for Günter Stemberger on the Occasion of his 65th Birthday |publisher=[[De Gruyter]] |isbn=9783110901399 |volume=32 |location=[[Boston, New York]] |publication-date=2012-03-20 |pages=258 |language=en |doi=10.1515/9783110901399 |access-date=2024-04-27 |url-access=subscription}}</ref>

In Judaism, castrated animals are deemed unfit for [[sacrifice]] in the [[Temple in Jerusalem]] ({{bibleverse||Lev|22:24|}}). Castrated members of the priestly caste are forbidden to enter certain parts of the temple, to approach the altar, or to make sacrifices, although they could eat their share of the offerings and receive the priestly and Levite gifts (Lev. 21:16–24).

===Islam===
The [[Muslim conquest of Persia]] as well as later [[Arab–Byzantine wars|conquests in the Byzantine Empire]] and [[Muslim conquests in the Indian subcontinent|India]] brought them into contact with eunuchs. By the eighth century, the palaces of the caliphs were staffed with many eunuch slaves which sold at a premium. A regular trade in eunuchs developed with slaves being taken to locations in Spain or Africa to be castrated, as the practice of castration was forbidden for Muslims. Eunuchs were used as harem supervisors, as mediators or servile roles, but they could also rise to be trusted advisors or military commanders.<ref>{{cite book |last1=Roscoe |first1=Will |last2=Murray |first2=Stephen |year=1997 |title=Islamic Homosexualities: Culture, History, and Literature |publisher=NYU Press}}</ref>{{rp|75}}

In [[Islam]], castration is considered a sin and strictly forbidden, whether one performs it on oneself or on another.<ref>As Abdullah ibn Mas'ood said, "We were on a campaign with the Messenger of Allah (blessings and peace of Allah be upon him), and we had no women with us. We said: Why don't we get ourselves castrated? But he forbade us to do that."{{cite book |last1=Al-Bukhari |first1=Imam Muhammad |title=Sahih Al-Bukhari, Volume 7 |chapter=Book 62, Hadith 13 |url=https://sunnah.com/bukhari:5075|language=en}}</ref> In the [[History of slavery in the Muslim world|history of slavery in the Muslim]] world, a fair proportion of male slaves were imported as eunuch. Levy states that according to the Quran and Islamic traditions, such emasculation was objectionable. Some jurists such as [[Qadi Baydawi|al-Baydawi]] considered castration to be mutilation, stipulating laws to prevent it. However, in practice, emasculation was frequent.<ref>{{Cite journal |last1=Berger |first1=Morroe |last2=Levy |first2=Reuben |date=August 1957 |title=The Social Structure of Islam. |url=http://dx.doi.org/10.2307/2089185 |journal=American Sociological Review |volume=22 |issue=4 |pages=479 |doi=10.2307/2089185 |jstor=2089185 |issn=0003-1224|url-access=subscription }}</ref> In eighteenth-century Mecca, the majority of eunuchs were in the service of the mosques.<ref>{{Cite journal |last=Brunschvig |first=Robert |date=1962 |title=Metiers vils en Islam |url=http://dx.doi.org/10.2307/1595118 |journal=Studia Islamica |issue=16 |pages=41–60 |doi=10.2307/1595118 |jstor=1595118 |issn=0585-5292|url-access=subscription }}</ref>

==Medical consequences==
{{See also|Neutering#Health and behavioral effects}}
 
A subject of castration who is altered before the onset of puberty will retain a high voice, as well as the effects of hypogonadism, which include non-muscular build, an infantile penis, a lack of a beard, more developed subcutaneous fat. He may be taller than average, with long limbs, so called "eunuchoid appearance", as the production of sex hormones in puberty—more specifically, estrogen via aromatization of testosterone—stops long bone growth in a process called osseous maturation. The subject may lack the male distribution of axillary hair, and may develop [[pubic hair]] distributed in female pattern. They may have a low sex drive or none at all.<ref>{{cite journal |last1=Peschel |first1=Enid Rhodes |last2=Peschel |first2=Richard E. |title=Medical Insights into the Castrati in Opera |journal=American Scientist |date=1987 |volume=75 |issue=6 |pages=578–583 |jstor=27854886 |bibcode=1987AmSci..75..578R |url=https://www.jstor.org/stable/pdf/27854886.pdf |access-date=30 January 2024 |issn=0003-0996}}</ref>

Castration stops the progression of [[male pattern baldness]]. However, hair regrowth – if it occurs at all – may be limited to hair that was lost shortly before castration.<ref>{{Cite journal
| doi = 10.1210/jcem-20-10-1309
| last1 = Hamilton | first1 = J. B.
| title = Effect of castration in adolescent and young adult males upon further changes in the proportions of bare and hairy scalp
| journal = The Journal of Clinical Endocrinology and Metabolism
| volume = 20
| issue = 10
| pages = 1309–1318
| year = 1960
| pmid = 13711016
}}</ref>

Historically, many eunuchs who additionally underwent a [[penectomy]] reportedly had urinary incontinence associated with the removal of the penis.<ref>{{cite web |url=http://www.medspe.fr/site/templates/template.php?identifiant_article=2166&surlignage=2&PHPSESSID=bd0a2427de5e5665b9c541ca8a6ecc71 |title=The various types of eunuch in the Byzantine state: their role and symbolic meaning |url-status=dead |archive-url=https://web.archive.org/web/20071113171516/http://www.medspe.fr/site/templates/template.php?identifiant_article=2166&surlignage=2&PHPSESSID=bd0a2427de5e5665b9c541ca8a6ecc71 |archive-date=13 November 2007}}</ref>

A study of 81 historical eunuchs in Korea's royal court found a 14- to 19-year increase in lifespan compared to intact men of similar socioeconomic background; these eunuchs had a [[centenarian]] rate of over 3%.<ref name="koreaeun">{{cite web|url=http://vitals.nbcnews.com/_news/2012/09/24/14070451-upside-to-castration-eunuchs-lived-longer-study-finds|title=Upside to castration? Eunuchs lived longer, study finds|access-date=24 September 2012|archive-date=27 September 2012|archive-url=https://web.archive.org/web/20120927032015/http://vitals.nbcnews.com/_news/2012/09/24/14070451-upside-to-castration-eunuchs-lived-longer-study-finds|url-status=dead}}</ref>

==Chemical castration==
{{Main|Chemical castration}}
In the case of chemical castration, ongoing regular injections of [[anti-androgen]]s are required. Chemical castration does not actually remove the testicles or ovaries of the subject,<ref name=WashPost>[https://www.washingtonpost.com/wp-dyn/content/article/2006/07/04/AR2006070400960_pf.html "Can Castration Be a Solution for Sex Offenders? Man Who Mutilated Himself in Jail Thinks So, but Debate on Its Effectiveness Continues in Va., Elsewhere"] by Candace Rondeaux for the Washington Post, 5 July 2006</ref> nor is it a form of [[Human sterilization (surgical procedure)|sterilization]].<ref name=Social-Justice-1999>[http://findarticles.com/p/articles/mi_hb3427/is_/ai_n28737308 "Chemical castration – breaking the cycle of paraphiliac recidivism"] {{webarchive|url=https://web.archive.org/web/20090201183815/http://findarticles.com/p/articles/mi_hb3427/is_/ai_n28737308 |date=1 February 2009 }} Social Justice, Spring, 1999 by Christopher Meisenkothen.</ref>

With the advent of chemical castration, physical castration in humans has been widely superseded,<ref>{{cite journal |last1=Douglas |first1=Thomas |last2=Bonte |first2=Pieter |last3=Focquaert |first3=Farah |last4=Devolder |first4=Katrien |last5=Sterckx |first5=Sigrid |journal=Journal of Bioethical Inquiry|year=2013|pages=393–405|doi=10.1007/s11673-013-9465-4|pmid = 23813324|pmc = 3824348|volume=10|issue=3 |title=Coercion, Incarceration, and Chemical Castration: An Argument From Autonomy }}</ref> though some have undergone the procedure voluntarily.<ref>{{cite news | url=https://www.foxnews.com/story/castrated-california-child-molester-wants-freedom | publisher=Fox News Channel | title=Castrated California Child Molester Wants Freedom | date=3 July 2006 | access-date=19 May 2011 | archive-url=https://web.archive.org/web/20110818030615/http://www.foxnews.com/story/0,2933,201918,00.html | archive-date=18 August 2011 | url-status=live }}</ref>

{{anchor|In veterinary practice}}

==Other animals==
{{See also|Neutering|Veterinary sterilization surgery}}

[[File:Mule castration emasculator during haemostasis.jpg|A mule being castrated|thumb|right]]

Humans commonly castrate domestic animals not intended for breeding.
Domestic animals are usually castrated to avoid unwanted or uncontrolled [[sexual reproduction|reproduction]]; to reduce or prevent other manifestations of [[animal sexual behavior|sexual behaviour]] such as defending the herd from humans and other threats, or intra-herd aggression (e.g. fighting between groups of entire (uncastrated) males of a species); or to reduce other consequences of sexual behavior that may make animal husbandry more difficult, such as boundary/fence/enclosure destruction when attempting to get to nearby females of the species.

Male horses are usually castrated ([[gelding|gelded]]) using [[emasculator]]s, because [[Stallion (horse)|stallions]] are rather aggressive and troublesome. The same applies to male [[mule]]s, although they are sterile. Male cattle are castrated to improve fattening and docility in feedlots or for use as [[oxen]].
[[Selective breeding|Breeding]] individuals are kept [[entire (animal)|entire]] and used for breeding: they may fetch higher prices when sold.

Livestock may be castrated when used for food to prevent indiscriminate breeding, control aggression, and improve meat and carcass quality.<ref>{{cite journal |last1=Needham |first1=T. |last2=Lambrechts |first2=H. |last3=Hoffman |first3=L.C. |title=Castration of male livestock and the potential of immunocastration to improve animal we |journal=South African Journal of Animal Science |date=9 November 2017 |volume=47 |issue=6 |pages=731 |doi=10.4314/sajas.v47i6.1 |doi-access=free }}</ref> In [[domestic pig]]s the undesirable odour or taint of uncastrated males, called [[boar taint]], is caused by [[androstenone]] and [[skatole]] concentrations stored in the fat tissues of the animal after sexual maturity.<ref name="GEN">[http://mark.asci.ncsu.edu/nsif/99proc/squires.htm Genetics of Boar Taint: Implications for the Future Use of Intact Males] {{webarchive|url=https://web.archive.org/web/20071031092222/http://mark.asci.ncsu.edu/nsif/99proc/squires.htm |date=31 October 2007 }}</ref> Boar taint is only found in a small minority of pigs and can be controlled through breeding selection, diet and management.<ref name="pigsite">{{cite web |url=http://www.thepigsite.com/articles/3245/managing-boar-taint-focus-on-genetic-markers/ |title=Managing Boar Taint: Focus on Genetic Markers |publisher=The Pig Site |date=12 August 2007 |access-date=5 February 2012 |url-status=dead |archive-url=https://archive.today/20150415192046/http://www.thepigsite.com/articles/3245/managing-boar-taint-focus-on-genetic-markers/ |archive-date=15 April 2015 }}</ref> It is released when the fat is heated and has a distinct odor and flavor that is widely considered unpalatable to consumers.<ref name="PSU">[http://www.research.psu.edu/ipo/faculty_staff/disclosures/Greger_97_1751.html] {{webarchive|url=https://web.archive.org/web/20090210034407/http://www.research.psu.edu/ipo/faculty_staff/disclosures/Greger_97_1751.html|date=10 February 2009}}</ref> Consequently, in commercial meat production, male pigs are either castrated shortly after birth or slaughtered before they reach sexual maturity.<ref name = "PSU"/> Recent research in Brazil has shown that castration of pigs is unnecessary because most pigs do not have the 'boar taint'. This is due to many breeds of pigs simply not having the heredity for the boar taint and the fact that pigs are normally slaughtered at a young market weight.<ref>{{cite web|url=http://www.thepigsite.com/articles/3950/mythbusting-boar-taint/ |title=Mythbusting Boar Taint|publisher=The Pig Site |access-date=15 April 2015}}</ref>

In the case of pets, castration is usually called [[neutering]], and is encouraged to prevent overpopulation of the community by unwanted animals, and to reduce certain diseases such as prostate disease and testicular cancer in male dogs (oophorectomy in female pets is often called [[spaying]]). Testicular cancer is rare in dogs, and also prostate problems are somewhat common in castrated male dogs when they get older.<ref name=Teske>{{Cite journal|doi=10.1016/S0303-7207(02)00261-7 |title=Canine prostate carcinoma: epidemiological evidence of an increased risk in castrated dogs |date=2002 |last1=Teske |first1=E. |journal=Molecular and Cellular Endocrinology |volume=197 |pages=251–5 |pmid=12431819 |first2=E. C. |first3=E. M. |first4=E. |first5=J. A. |issue=1–2 |last2=Naan |last3=Van Dijk |last4=Van Garderen |last5=Schalken|s2cid=7080561 }}</ref> Neutered individuals have a much higher risk of developing prostate problems in comparison to intact males. Castrated male cats are more likely to develop an obstruction in their urethra, preventing them from urinating to some degree.<ref>{{Cite journal|pmid=11345305 |doi=10.2460/javma.2001.218.1429 |date=2001 |author1=Lekcharoensuk |first2=C. A. |first3=J. P. |title=Epidemiologic study of risk factors for lower urinary tract diseases in cats |volume=218 |issue=9 |pages=1429–35 |journal=Journal of the American Veterinary Medical Association |last2=Osborne |last3=Lulich|doi-access=free }}</ref> A specialized vocabulary has arisen for neutered animals of given species:

<!--Please add in alphabetical order-->
* [[Pig#Pig vocabulary|Barrow]] (pig)
* [[Cattle#Terminology|Bullock]] (cattle)
* [[Capon]] (chicken)
* [[Gelding]] (horse)
* Gib (cat, ferret)
* [[Ox]] (cattle) (Castration performed on mature bull)
* Stag (cattle, sheep)
* [[Cattle#Terminology|Steer]] (cattle) (Castration performed on young calf)
* [[Wikt:wether|Wether]] (sheep, goat)

An incompletely castrated male in livestock species (horse and cattle) is known as a ''rig''.

The term ''stag'' is used for a male animal castrated after the [[secondary sex characteristic]]s have developed to such a point as to give him the appearance of [[sexual maturity]].

[[File:Elastrator rings.JPG|thumb|Rubber rings and pliers used in [[elastration]]]]
Methods of [[veterinary medicine|veterinary]] castration include instant [[surgical]] removal, the use of an [[elastrator]] tool to secure a band around the testicles that disrupts the blood supply, the use of a [[Burdizzo]] tool or emasculators to crush the [[spermatic cord]]s and disrupt the blood supply, [[pharmacological]] [[Injection (medicine)|injections]] and [[implant (medicine)|implants]] and [[immunological]] techniques to [[inoculation|inoculate]] the animal against his own [[sex hormones|sexual hormones]].

Certain animals, like horses and [[swine]], are usually surgically treated with a scrotal castration (which can be done with the animal standing while sedated and after local anesthetic has been applied), while others, like dogs and cats, are anesthetised and recumbent when surgically castrated with a pre-scrotal incision in the case of dogs, or a pre-scrotal or scrotal incision used for cats.

Castration of cattle has historically been done without pain medications. All methods of castration cause pain and distress, which can be minimized by castrating as early as possible, preferably within the first week of life. The Canadian Code of Practice for the Care and Handling of Beef Cattle requires that, as of 2018, calves older than six months be castrated using pain control.<ref>Code of Practice for the Care and Handling of Beef Cattle. 2013.
www.nfacc.ca/codes-of-practice/beef-cattle
</ref>

In veterinary practice an "open" castration refers to a castration in which the inguinal tunic is incised and not sutured. A "closed" castration refers to when the procedure is performed so that the inguinal tunic is sutured together after incision.

==See also==<!-- PLEASE RESPECT ALPHABETICAL ORDER -->
{{Div col|colwidth=20em}}
* [[Ashley Treatment]]
* [[Birth control]]
* [[Castration anxiety]]
* [[Castrato]], a castrated male singer
* [[Chemical castration]]
* [[Cleveland Torso Murderer]], a serial killer who castrated his male victims
* [[Emasculation]]
* [[Emasculator]]
* [[Eunuch]]
* [[Gelding]]
* [[Inguinal orchiectomy]], the approach typically used to treat testicular cancer
* [[Neutering|Spaying and neutering]] (for animals)
* [[Oophorectomy]], the equivalent operation for ovaries
* [[Parasitic castration]]
* [[Penectomy]]
* [[Penis removal]]
* [[Gender affirming surgery]]
* [[Vaginoplasty]]
* [[Vasectomy]]
{{Div col end}}

==References==
{{Reflist}}

==Bibliography==
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* {{citation |last=Wade |first=Geoff |title=Southeast Asia in the Ming Shi-lu: an open access resource | url = https://epress.nus.edu.sg/msl/ | publisher = Asia Research Institute and the Singapore E-Press, National University of Singapore |year=2005}}
* {{cite book |last=Wang |first=Yuan-Kang |title=Harmony and War: Confucian Culture and Chinese Power Politics |url=https://books.google.com/books?id=gxVfTuKsaJQC&q=Harmony+and+War:+Confucian+Culture+and+Chinese+Power+Politics |year=2013 |edition=illustrated |publisher=Columbia University Press |isbn=978-0231522403}}
* Patrick Barbier, ''The World of the Castrati: the History of an Extraordinary Operatic Phenomenon'' Souvenir, 1996, {{ISBN|0-285-63309-0}}
* Susan Elliott, [http://www.bookreviews.org/bookdetail.asp?TitleId=4157 ''Cutting Too Close for Comfort: Paul's Letter to the Galatians in Its Anatolian Cultic Context''] Reviews in Review of Biblical Literature
* Theresa McCuaig, "[https://web.archive.org/web/20230326031141/http://www.bio-identical-testosterone.com/booklets/downloads/Understanding-Castration.pdf Understanding Castration]." 2009.
* {{Cite thesis |type=Master's |script-title=zh:辽代后宫制度研究 |trans-title=Research on the System of Imperial Harem in the Liao Dynasty|url= http://www.docin.com/p-220201686.html|author= 祝建龙 (Zhu Jianlong) | date=April 2009 |publisher=吉林大学 (Jilin University)|language=zh}}
* English language Abstracts of the thesis
*** [https://web.archive.org/web/20131012050639/http://mt.china-papers.com/2/?p=205147 Research on the System of Imperial Harem in Liao Dynasty]
*** {{usurped|1=[https://web.archive.org/web/20131012055843/http://www.p-papers.com/94270.html Research on the System of Imperial Harem in Liao Dynasty]}}
*** [http://www.research-degree-thesis.com/showinfo-108-941199-0.html Research on the System of Imperial Harem in Liao Dynasty] {{Webarchive|url=https://web.archive.org/web/20180925202303/http://www.research-degree-thesis.com/showinfo-108-941199-0.html |date=25 September 2018 }}

==External links==
{{Commons category|Castration}}
{{Portal|Human sexuality}}
* [https://web.archive.org/web/20070314031031/http://www.rotten.com/library/sex/castration/eunuch/ Castration Through the Ages]
* [http://jcem.endojournals.org/cgi/content/full/84/12/4324 The Journal of Clinical Endrocrinology and Metabolism] {{Webarchive|url=https://web.archive.org/web/20101205144641/http://jcem.endojournals.org/cgi/content/full/84/12/4324 |date=5 December 2010}}
* [http://www.neutering.org/ Neutering NOT Org] {{Webarchive|url=https://web.archive.org/web/20160528175025/http://www.neutering.org/ |date=28 May 2016 }} Website arguing against the castration of domestic animals
* [https://archive.today/20060925071351/http://www.projects.roslin.ac.uk/lean_growth/refs/ref20.html Boar taint in pigs selected for components of efficient lean growth rate]
* [https://web.archive.org/web/20180429222839/http://en.castration.site/ Castration]—information site

{{Male genital procedures}}
{{Mental health law}}
{{Authority control}}

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