title: Calving rate of cows following insemination after a 12-day treatment with silastic coils impregnated with progesterone.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D004973:Estrus Synchronization / Q000187:drug effects; D005260:Female; D005298:Fertility; D007315:Insemination, Artificial / Q000662:veterinary*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*; D013997:Time Factors; D014621:Vagina
chemical_list: D011374:Progesterone