Effect of ovariectomy on pregnancy maintenance and parturition in dairy cows.
D000034:Abortion, Veterinary; D000818:Animals; D002369:Castration; D002417:Cattle; D005260:Female; D007743:Labor, Obstetric / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*