In vitro study of antimicrobial sensitivity of Enterococcus isolates from farm birds
2005
Urumova, V. (Trakia University, Stara Zagora (Bulgaria)) | Lyutskanov, M. (Trakia University, Stara Zagora (Bulgaria)) | Petrov, V. (Trakia University, Stara Zagora (Bulgaria))
Five hundred and twenty Enterococcus isolates from the intestines of chickens were investigated. Their susceptibility to vancomycin and five other antimicrobials was analysed using the disk-fusion technique. We used the agar-screening method to determine high-level resistance to aminoglycosideaminocyclitol antibiotics. Nitrocefin-disks for beta-lactamases producers were made. The commonest isolate was Enterococcus faecium. The highest level of resistance was recorded against gentamycin and streptomycin while lowest level was against ampycilin. resistance to vancomycin was not recorded. On the whole, the differences in levels of resistance among the various Enterococcus spp were negligible.
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