[Research on Trichomonas of cattle in Bulgaria].
D000818:Animals; D002031:Bulgaria; D002417:Cattle; D002418:Cattle Diseases; D012106:Research; D014244:Trichomonas; D014245:Trichomonas Infections / Q000453:epidemiology*
CATTLE/diseases; TRICHOMONIASIS/epidemiology
Badania nad rzesistkami bydłla domowego w Bułlgarii.