[A cow with an extremely prolonged gestation period].
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.
D000015:Abnormalities, Multiple / Q000662:veterinary*; D000818:Animals; D000831:Animals, Newborn; D002417:Cattle; D002418:Cattle Diseases / Q000151:congenital*; D002585:Cesarean Section / Q000662:veterinary; D005260:Female; D006257:Head / Q000002:abnormalities; D011247:Pregnancy; D011273:Pregnancy, Prolonged
Een koe met een extreem lange graviditeitsduur.