Abstract
In dit artikel worden gedetailleerde studies over antimicrobiële resistentie van commensale E. coli bij varkens, runderen, pluimvee en vleeskalveren en pathogene E. coli bij varkens en runderen in België beschreven voor 2011. Bij commensale E. coli-isolaten van pluimvee en vleeskalveren werd een hogere prevalentie van antimicrobiële resistentie vastgesteld dan bij isolaten van varkens en runderen. Vijftig procent van de E. coli-isolaten van vleeskuiken was resistent tegen ten minste vijf antimicrobiële middelen, terwijl 61% van de isolaten van runderen gevoelig was voor alle geteste antibiotica. Daarentegen vertoonden pathogene E. coli-isolaten van runderen een uitgebreid resistentieprofiel, met resistentie tegen tien of meer antimicrobiële middelen bij meer dan de helft van de isolaten. De resultaten zijn niet significant verschillend van de resultaten van eerder gepubliceerde studies over commensale bacteriën bij varkens en vleeskuikens in België, hoewel er verschillende methoden van bemonstering en gevoeligheidstesten werden gebruikt.
Highlights
E. coli is often used as an indicator bacterium for the presence of antimicrobial resistance of gramnegative bacteria because it is present in most animal species
The antimicrobial resistance to ampicillin rose above 80%
Ciprofloxacin, sulphomethoxazole, tetracycline, streptomycin and trimethoprim, the antimicrobial resistance prevalence was higher than 60% but lower than 80%
Summary
E. coli is often used as an indicator bacterium for the presence of antimicrobial resistance of gramnegative bacteria because it is present in most animal species. Murray et al (1992) stated that resistance of commensal E. coli is an indication for the magnitude of the selective pressure from the use of antimicrobials in an animal population. Some E. coli strains are major pathogens in several animal species. Several studies indicate that antimicrobial resistance is higher in pathogenic than in commensal E. coli strains (Boerlin et al, 2005, Hendriksen et al, 2008). To stimulate the discussion and the research on antimicrobial resistance in veterinary medicine, McEwen et al (2002) stated that antimicrobial resistance is of major concern for animal health, little is known about the magnitude of this problem
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