Estrous behavior and ovarian activity in peripuberal heifers.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D003338:Corpus Luteum / Q000502:physiology; D004971:Estrus; D005260:Female; D010053:Ovary / Q000502:physiology*; D010060:Ovulation; D011247:Pregnancy