[On the improvement of the diagnosis of trichomonas infections in sire bulls].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D003581:Cytodiagnosis / Q000662:veterinary; D008297:Male; D008722:Methods; D014245:Trichomonas Infections / Q000175:diagnosis* / Q000662:veterinary*
Ob usovershenstvovanii diagnostiki trikhomonoza bykov-proizvoditeleĭ.