Proceedings: Herd mating activity in cattle.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D003307:Copulation; D003624:Darkness; D004971:Estrus; D005260:Female; D008297:Male; D011247:Pregnancy; D012726:Sexual Behavior, Animal; D012903:Smell; D013997:Time Factors