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Occurrence and antimicrobial resistance of Salmonella strains from food of animal origin in southern Italy

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Abstract

Six hundred fourteen strains of Salmonella enterica were isolated from 16,926 samples of food of animal origin collected in southern Italy from 2003 to 2012. The isolates were identified, serotyped, and challenged against 15 antibiotics according to the protocol defined at national level for veterinary isolates of Salmonella (EnterVet surveillance network). Salmonella serotypes Typhimurium, Hadar, Enteritidis, Derby, and 4,[5],12:i:- were those most frequently isolated. The widest resistances were recorded towards sulfonamides (69 % of the isolates), trimethoprim-sulfamethoxazole (52 % of the isolates), and tetracycline (51 % of the isolates). The rate of multidrug resistance of the isolates decreased significantly from the first 5 years of the study period (82.6 %) to the last 5 years (54.3 %).

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Acknowledgments

This work was supported by the Italian Health Ministry (grant IZS-ME14/12 RC).

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Authors and Affiliations

  1. Department of Food Microbiology – Centro Pilota Tipizzazione Salmonella, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Portici, Naples, Italy

    Yolande T. R. Proroga, Federico Capuano, Maria Rosaria Carullo & Immacolata La Tela

  2. Department DiSSPAPA, University of Naples “Federico II”, Portici, Naples, Italy

    Rosanna Capparelli

  3. National Reference Laboratory for Salmonellosis, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Padova, Italy

    Lisa Barco

  4. Department of Science and Technology, University of Naples “Parthenope”, Naples, Italy

    Vincenzo Pasquale

Authors
  1. Yolande T. R. Proroga
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  2. Federico Capuano
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  3. Maria Rosaria Carullo
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  4. Immacolata La Tela
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  5. Rosanna Capparelli
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  6. Lisa Barco
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  7. Vincenzo Pasquale
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Correspondence to Federico Capuano.

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Proroga, Y.T.R., Capuano, F., Carullo, M.R. et al. Occurrence and antimicrobial resistance of Salmonella strains from food of animal origin in southern Italy. Folia Microbiol 61, 21–27 (2016). https://doi.org/10.1007/s12223-015-0407-x

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  • DOI: https://doi.org/10.1007/s12223-015-0407-x

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