Factors affecting time intervals in parturition in beef cattle.
D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D002417:Cattle / Q000502:physiology*; D005260:Female; D007743:Labor, Obstetric; D008297:Male; D011247:Pregnancy; D012737:Sex Factors; D013997:Time Factors