Prevalence of mcr-1 in commensal Escherichia coli from French livestock, 2007 to 2014

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<jats:p>Colistin resistance was investigated in 1,696 isolates collected from 2007 to 2014 within the frame of the French livestock antimicrobial resistance surveillance programme. The <jats:italic>mcr-1</jats:italic> gene was detected in all commensal <jats:italic>Escherichia coli</jats:italic> isolates with a minimum inhibitory concentration to colistin above the 2 mg/L cut-off value (n=23). In poultry, <jats:italic>mcr-1</jats:italic> prevalence was 5.9% in turkeys and 1.8% in broilers in 2014. In pigs, investigated in 2013, this prevalence did not exceed 0.5%. These findings support that <jats:italic>mcr-1</jats:italic> has spread in French livestock.</jats:p>

Journal

  • Eurosurveillance

    Eurosurveillance 21 (6), 1-, 2016-02-11

    European Centre for Disease Control and Prevention (ECDC)

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