[Susceptibility of Yersinia bacteria to antibiotics and disinfectant agents]

Studied was the susceptibility of Yersinia bacteria to antibiotics and disinfection means. Results showed that the reference strains of the Yersinia enterocolitica, Y. pseudotuberculosis, Y. fredericksenii, and Y. intermedia species manifested high sensitivity to gentamycin, nalidixic acid, chloramphenicol, and streptomycin. Serovariety 03 of Y. enterocolitica strains, isolated from milk and sewage water, were most sensitive to gentamycin (100 per cent), chloramphenicol (100 per cent), nalidixic acid (100 per cent), kanamycin (95.8 per cent), and streptomycin (92.8 per cent). The disinfection preparations Dezinfect B (4 per cent solution) and Reiniger Combi (0.5 per cent solution) destroyed V. enterocolitica, Y. fredericksenii, and Y. intermedia for 30 sec., and Y. pseudotuberculosis for 5 minutes. Under productional conditions the same effect was produced for 10 to 15 minutes.