Changes in physical condition and ejaculate characteristics in paddock-mated rams.
D000818:Animals; D001835:Body Weight; D001947:Breeding; D003307:Copulation / Q000502:physiology*; D004542:Ejaculation; D005260:Female; D008297:Male; D012621:Seasons; D012661:Semen / Q000502:physiology; D012756:Sheep / Q000502:physiology*; D013737:Testis / Q000502:physiology; D013997:Time Factors