Aging phenomena in spermatozoa. I. Fertility and prenatal losses with use of liquid semen.
D000034:Abortion, Veterinary / Q000209:etiology*; D000375:Aging; D000818:Animals; D001947:Breeding; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D005260:Female; D005298:Fertility; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D011247:Pregnancy; D011270:Pregnancy, Animal; D013094:Spermatozoa / Q000502:physiology*; D013997:Time Factors