Rumpless chickens
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Rumpless chickens are characterised by caudal dysplasia, the absence of the pygostyle or caudal appendage – the "parson's nose". This is the result of inheritance of an autosomal dominant trait. The mutation which causes it is unknown; two candidates have been proposed.[1]Template:R/superscript
History
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Rumplessness in chickens has been documented for centuries. An early description is that of the Bolognese ornithologist Ulisse Aldrovandi in his Ornithologiae Tomus Alter of 1600.[2]Template:R/superscript[3]Template:R/superscript
Rumpless breeds
Rumpless breeds of chicken include: the Araucana or Rumpless Araucana of South America, both large fowl and bantam;[4]Template:R/superscript in Europe, the Belgian Barbu de Boitsfort, Barbu de Grubbe and Barbu d'Everberg bantams,[4]Template:R/superscript the German Ruhlaer Zwerg-Kaulhühner or Rumpless Booted Bantam[4]Template:R/superscript and the Rumpless Game of the United Kingdom (both large fowl and bantam), sometimes called the Manx Rumpy or Persian Rumpless;[4]Template:R/superscript[5]Template:R/superscript and in Asia, the Japanese Uzurao, a rumpless equivalent of the Tosa-Kojidori bantam,[6]Template:R/superscript and Ingie (large fowl) from Kagoshima Prefecture,[6]Template:R/superscript and the Piao of Yunnan Province in China.[7]Template:R/superscript
References
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- ↑ Ulisse Aldrovandi (1600). Ornithologiae Tomus Alter (in Latin). Bononiae: Apud Io. Bapt. Bellagambam [Giovanni Battista Bellagamba].
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- ↑ a b Masaoki Tsudzuki (2003). Japanese native chickens. In: Hsiu-Luan Chang, Yu-chia Huang (editors) (2003). The Relationship between Indigenous Animals and Humans in APEC Region. Taipei: Chinese Society of Animal Science. Pages 91-116.
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