<abstract xmlns="http://www.w3.org/1999/xhtml">

<p> In the present study, 25 Escherichia coli strains isolated from beef, pork, and poultry meat, and producing extendedspectrum β-lactamases (ESBL) (18 strains) or AmpC- cephalosporinases (7 strains) were tested for antimicrobial resistance using the minimum inhibitory concentration method with 16 antimicrobial agents. All examined strains were resistant to ampicillin and the first-generation cephalosporins. Variable resistance to the third-generation cephalosporins (40%-100% among ESBLproducing strains and 0-72% among AmpC-producing strains) was noted. Less than 30% of examined strains were resistant to ciprofloxacin. All isolates were susceptible to the fourth-generation cephalosporins, cephalosporins connected with inhibitors of β-lactamases, carbapenems, and gentamycin</p>
</abstract>

In the present study, 25 Escherichia coli strains isolated from beef, pork, and poultry meat, and producing extendedspectrum β-lactamases (ESBL) (18 strains) or AmpC- cephalosporinases (7 strains) were tested for antimicrobial resistance using the minimum inhibitory concentration method with 16 antimicrobial agents. All examined strains were resistant to ampicillin and the first-generation cephalosporins. Variable resistance to the third-generation cephalosporins (40%-100% among ESBLproducing strains and 0-72% among AmpC-producing strains) was noted. Less than 30% of examined strains were resistant to ciprofloxacin. All isolates were susceptible to the fourth-generation cephalosporins, cephalosporins connected with inhibitors of β-lactamases, carbapenems, and gentamycin

Antimicrobial resistance of ESBLand AmpC-producing Escherichia coli isolated from meat

Department of Hygiene of Food of Animal Origin

Journal of Veterinary Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

In the present study, 25 Escherichia coli strains isolated from beef, pork, and poultry meat, and producing extendedspectrum β-lactamases (ESBL) (18 strains)...

Antimicrobial resistance of ESBLand AmpC-producing Escherichia coli isolated from meat

Published Online: Dec 20, 2014

Page range: 567 - 571

Received: Jul 31, 2014

Accepted: Nov 04, 2014

DOI: https://doi.org/10.2478/bvip-2014-0088

Keywords
meat, Escherichia coli, ESBL, AmpC, antimicrobial resistance

© 2014 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Antimicrobial resistance of ESBLand AmpC-producing Escherichia coli isolated from meat

Published Online: Dec 20, 2014

Page range: 567 - 571

Received: Jul 31, 2014

Accepted: Nov 04, 2014

DOI: https://doi.org/10.2478/bvip-2014-0088

Keywordsmeat, Escherichia coli, ESBL, AmpC, antimicrobial resistance

© 2014 National Veterinary Research Institute in Pulawy

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
meat, Escherichia coli, ESBL, AmpC, antimicrobial resistance