[Improving the management of sheep breeding].
D000818:Animals; D002006:Brucellosis / Q000662:veterinary; D007315:Insemination, Artificial / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control*; D014586:USSR
Vsemerno sodeĭstvovat' razvitiiu ovtsevodstva.