Oestrous response of ovariectomized beef heifers to oestradiol benzoate and human chorionic gonadotrophin.
D000818:Animals; D002369:Castration; D002417:Cattle / Q000502:physiology*; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D004958:Estradiol / Q000494:pharmacology*; D004971:Estrus / Q000187:drug effects* / Q000502:physiology; D005260:Female; D011247:Pregnancy
D006063:Chorionic Gonadotropin; D004958:Estradiol