Fertility of deep-frozen ram spermatozoa.
D000022:Abortion, Spontaneous; D000818:Animals; D004622:Embryo, Mammalian; D005260:Female; D005298:Fertility; D005615:Freezing; D007315:Insemination, Artificial; D008297:Male; D011247:Pregnancy; D012661:Semen / Q000166:cytology; D012756:Sheep; D013094:Spermatozoa / Q000502:physiology*