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Antibiotic resistance of Enterococcus species isolated from raw foods of animal origin in South West part of Slovakia

Author

Listed:
  • Miroslav Kročko

    (Department of Evaluation and Processing Animal Products, Faculty of Biotechnology and Food Sciences, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • Margita Čanigová

    (Department of Evaluation and Processing Animal Products, Faculty of Biotechnology and Food Sciences, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • Viera Ducková

    (Department of Evaluation and Processing Animal Products, Faculty of Biotechnology and Food Sciences, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • Anna Artimová

    (Department of Evaluation and Processing Animal Products, Faculty of Biotechnology and Food Sciences, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • Jana Bezeková

    (Department of Evaluation and Processing Animal Products, Faculty of Biotechnology and Food Sciences, Slovak Agricultural University in Nitra, Nitra, Slovak Republic)

  • Jennifer Poston

    (West Virginia University, West Virginia, USA)

Abstract

We determined the prevalence and antibiotic resistance of enterococci isolated from raw foods of animal origin. All samples were positive for enterococci. The lowest count of enterococci was found in pork (2.00 log CFU/cm2), while bryndza cheese contained the highest count (4.99 log CFU/g). Among the 349 Enterococcus isolates, 49% were E. faecalis, 29% E. faecium, and 13% Enterococcus spp. Tetracycline and gentamicin resistance was the most common. We found the highest tetracycline resistance levels (91%) in isolates from poultry samples. The isolates from the poultry samples also displayed multidrug resistance to all antibiotics tested. The most common vancomycin-resistant species in poultry and milk was E. faecalis. In contrast, the pork samples contained vancomycin-resistant E. faecium isolates. It is interesting to note that vancomycin resistance in the pork and poultry samples was found only in combination with either four (28%) or all five (14%) of the tested antibiotics. Our results suggest that raw products of animal origin are possible reservoirs of multi-antibiotic resistant enterococci in the food chain.

Suggested Citation

  • Miroslav Kročko & Margita Čanigová & Viera Ducková & Anna Artimová & Jana Bezeková & Jennifer Poston, 2011. "Antibiotic resistance of Enterococcus species isolated from raw foods of animal origin in South West part of Slovakia," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 29(6), pages 654-659.
    • Handle: RePEc:caa:jnlcjf:v:29:y:2011:i:6:id:246-2010-cjfs
    DOI: 10.17221/246/2010-CJFS
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