The effect of season on spermatogenesis in some ungulates.
D000818:Animals; D001188:Artiodactyla; D001947:Breeding; D008297:Male; D009929:Organ Size; D010675:Pheromones; D012621:Seasons; D012726:Sexual Behavior, Animal; D013019:South Africa; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis
D010675:Pheromones