Proceedings: superovulation and surgical collection of ova from cows on each of two successive cycles.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D006064:Gonadotropins, Equine / Q000008:administration & dosage / Q000494:pharmacology*; D010060:Ovulation / Q000187:drug effects*; D010063:Ovum; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D013997:Time Factors; D014599:Uterus / Q000601:surgery
D006064:Gonadotropins, Equine; D011374:Progesterone; D004958:Estradiol