title: Demonstration and role of mycoplasmas and ureaplasmas in bull semen and the control of Mycoplasma infections in bulls.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology* / Q000517:prevention & control; D003604:Czechoslovakia; D008297:Male; D009174:Mycoplasma / Q000302:isolation & purification*; D009175:Mycoplasma Infections / Q000382:microbiology / Q000517:prevention & control / Q000662:veterinary*; D012661:Semen / Q000382:microbiology*; D012662:Semen Preservation / Q000662:veterinary; D014509:Ureaplasma / Q000302:isolation & purification*