Skeletal abnormalities in domestic chicken.
In 14,891 necropsies performed on domestic poultry during January 1976 to October 1977, two cases of skeletal abnormalities were found. One was a tarsometatarsal spur in an adult female chicken, and the other was a crossed-beak associated with microphthalmia.
D000818:Animals; D001502:Beak / Q000002:abnormalities; D001842:Bone and Bones / Q000002:abnormalities*; D002645:Chickens; D005260:Female; D008850:Microphthalmos / Q000662:veterinary; D011201:Poultry Diseases / Q000151:congenital*; D013643:Tarsus, Animal / Q000002:abnormalities