Influence of long term storage on fertility of deep frozen bull semen.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D005260:Female; D005298:Fertility; D005615:Freezing; D007315:Insemination, Artificial / Q000662:veterinary; D008297:Male; D011247:Pregnancy; D012662:Semen Preservation / Q000662:veterinary*; D013081:Sperm Motility; D013997:Time Factors