[Protection of ram sperm from contamination].
D000818:Animals; D007315:Insemination, Artificial / Q000662:veterinary; D008297:Male; D010413:Penis / Q000382:microbiology; D012661:Semen / Q000382:microbiology*; D012756:Sheep; D013094:Spermatozoa
Zaschita spermy baranov ot zagriazneniia.