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Updated: Oct 3, 2026

Antibiotic Dereplication Using the Antibiotic Resistance Platform
Published on: October 17, 2019
Antimicrobial growth promoter ban and resistance to macrolides and vancomycin in enterococci from pigs
P Boerlin1, A Wissing, F M Aarestrup
1Institute for Veterinary Bacteriology, University of Bern, Bern, Switzerland. patrick.boerlin@unibe.ch
Abstract:
Ninety-six enterococcus isolates from fecal samples of pigs receiving tylosin as an antimicrobial growth promoter and 59 isolates obtained in the same farms 5 to 6 months after the ban of antimicrobial growth promoters in Switzerland were tested for susceptibility to nine antimicrobial agents. A clear decrease in resistance to macrolides, lincosamides, and tetracycline was visible after the ban. Vancomycin-resistant Enterococcus faecium belonged to the same clonal lineage as vancomycin-resistant isolates previously isolated from Danish pigs.
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