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author:("oncoviral, O")
1.  The recovery of Mycoplasmas from the genital tracts of bulls in artificial breeding units in Ontarïo. 
One hundred and thirty-two penial-preputial swabbings, 140 raw and 42 processed semen samples were cultured for mycoplasmas. Mycoplasma or acholeplasma were recovered from 87, 32 and one respectively, while ureaplasmas were recovered from 46, 34 and six respectively.
PMCID: PMC1277505  PMID: 1175080
2.  In vitro antimicrobial sensitivity of Mycoplasmas isolated from the bovine genital tract. 
The in vitro antimicrobial sensitivity of 14 mycoplasma and 13 ureaplasma strains isolated from the genital tracts of bulls was examined. It was found that at relatively low concentrations, tetracycline, declomycin and tylosin were lethal to both types of organisms. Lincospectin, berenil, streptomycin and erythromycin were lethal to mycoplasmas but were only inhibitory to the ureaplasma strains at the same concentrations. Polymyxin B and novobiocin were ineffective at the levels tested.
PMCID: PMC1277489  PMID: 169970

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