AN ATTEMPT TO IMPROVE BOVINE MYCOPLASMATALES PRIMARY ISOLATION

The sensitivity to 30 antibiotics of Mycoplasma (10 strains) and Achol eplaslna (8 strains) was tested in an attempt to find a better one for suppression of contamination in the culture media, used for primary i solation of Mycoplasmatales. The most effective antibiotics for suppre ssion of Gram-positive and Gram-negative organisms and did not inhibit Mycoplasmatales were: carbenicillin, vancomycin and fosfomycin. Altho ugh none of the antibacterial drugs that are inhibitors of cell wall s ynthesis was active against Mycoplasmatales, the majority of them were also ineffective against Gram-positive and/or Gram-negative contamina nt bacteria.