Progesterone in defatted milk: its relation to insemination and pregnancy in normal cows as compared with cows on problem farms and individual problem animals.
D000818:Animals; D002417:Cattle / Q000502:physiology; D003338:Corpus Luteum / Q000502:physiology; D004971:Estrus; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary*; D008055:Lipids; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000032:analysis*
D008055:Lipids; D011374:Progesterone