alexa [Antimicrobial susceptibility of animal and food isolates of Salmonella enterica].
Microbiology

Microbiology

Journal of Antimicrobial Agents

Author(s): Junod T, LpezMartin J, Gdicke P

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Abstract BACKGROUND: Bacterial resistance to one or more antimicrobiak is worrisome. AIM: To determine the susceptibility to antimicrobials of Salmonella entérica isolates from animáis and food, from the Laboratory of Veterinary Microbiology at the University of Concepción. MATERIAL AND METHODS: The samples were isolated according to traditional microbiological methods standardized protocols. Resistance was determined by the Kirby-Bauer method and minimal inhibitory concentration (MIC), following Clinical and Laboratory Standards Institute recommendations (2008). RESULTS: Nine serotypes were identified among the 68 isolates. Strains were resistant to one or more antibiotics and 11 patterns of resistance were identified. Multidrug resistance (MDR) was observed in 20.5\% of the strains tested. The most common was Oxytetracycline resistance (69.1\%). Infood, the predominant serotype was S. Derby (2.9\%) and S. Senftenberg (2.9\%), which is commonly found infood intended for animal consumption. In samples of animal origin, the predominant serotypes were S. infantis (33.8\%) and S. Group E (3.9;-;-) (23.5\%). CONCLUSIONS: The frequeney of resistance found and the impending risk that these strains could reach humans through the food chain, should prompt a follow-up study of this pathogen. This article was published in Rev Med Chil and referenced in Journal of Antimicrobial Agents

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