[一头妊娠期极长的母牛]
[A cow with an extremely prolonged gestation period].
作者信息
Matthijsen H F, Borst G H
出版信息
Tijdschr Diergeneeskd. 1983 Nov 1;108(21):829-30.
PMID:6648945
Abstract
Gestation continued for 324 days in a cow pregnant for the fourth time. This extreme prolongation could be due to congenital abnormality in the calf consisting in aplasia of the pituitary and anencephaly.
摘要
一头经产母牛的妊娠期持续了324天。这种极度延长可能是由于犊牛先天性异常，表现为垂体发育不全和无脑畸形。
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