[Study of toxoplasmosis in cattle].
D000034:Abortion, Veterinary / Q000209:etiology; D000818:Animals; D002417:Cattle; D005260:Female; D008297:Male; D011247:Pregnancy; D014124:Toxoplasmosis, Animal / Q000097:blood / Q000276:immunology / Q000503:physiopathology*
Izuchenie toksoplazmoza krupnogo rogatogo skota.