Effect of progesterone on length of estrous cycle in cattle.
D000818:Animals; D002417:Cattle; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D003864:Depression, Chemical; D004971:Estrus / Q000187:drug effects*; D005260:Female; D007279:Injections, Subcutaneous; D011247:Pregnancy; D011374:Progesterone / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D013997:Time Factors; D014730:Veterinary Medicine
D006063:Chorionic Gonadotropin; D011374:Progesterone