[Toward a high sanitary level in breeding farms].
D000383:Agriculture; D000818:Animals; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control*; D014730:Veterinary Medicine
Za vysokuiu sanitarnuiu kul'turu na plemennykh fermakh.