Fertility of liquid boar semen as influenced by breed and season.
D000367:Age Factors; D000818:Animals; D001947:Breeding; D003433:Crosses, Genetic; D005260:Female; D005298:Fertility; D005306:Fertilization; D008098:Litter Size; D008297:Male; D011247:Pregnancy; D012621:Seasons; D012661:Semen; D013552:Swine / Q000502:physiology*