Rectal and vaginal constriction in Jersey cattle.
作者信息
Leipold H W, Saperstein G
出版信息
J Am Vet Med Assoc. 1975 Feb 1;166(3):231-2.
PMID:1133074
Abstract
Three Jersey herds had a total of 14 cows with constriction of the anorectal area and of the vagina. Maternal and paternal lines of all affected cows were traced to a common ancestor.
摘要
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