title: Multiple births in beef cows treated with equine gonadotropin (PMS) and chorionic gonadotropin (HCG).
mesh_terms: D000818:Animals; D001724:Birth Weight; D002417:Cattle; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D004971:Estrus / Q000187:drug effects; D005260:Female; D005298:Fertility / Q000187:drug effects; D006062:Gonadotropins / Q000494:pharmacology*; D006064:Gonadotropins, Equine / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D012098:Reproduction / Q000187:drug effects*
chemical_list: D006063:Chorionic Gonadotropin; D006062:Gonadotropins; D006064:Gonadotropins, Equine