Impact of Third-Generation-Cephalosporin Administration in Hatcheries on Fecal Escherichia coli Antimicrobial Resistance in Broilers and Layers
نویسندگان
چکیده
منابع مشابه
Impact of third-generation-cephalosporin administration in hatcheries on fecal Escherichia coli antimicrobial resistance in broilers and layers.
We investigated the impact of the hatchery practice of administering third-generation cephalosporin (3GC) on the selection and persistence of 3GC-resistant Escherichia coli in poultry. We studied 15 3GC-treated (TB) and 15 non-3GC-treated (NTB) broiler flocks and 12 3GC-treated (TL) and 10 non-3GC-treated (NTL) future layer flocks. Fecal samples from each flock were sampled before arrival on th...
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OBJECTIVES The primary objective was to evaluate differences in antimicrobial resistance among enteric bacteria recovered from feedlot cattle that were being raised without exposure to antimicrobial drugs (AMDs) and those reared using conventional practices. MATERIALS Forty pens of feedlot cattle (4557 total animals) that were being fed without AMD exposures were selected for enrollment as we...
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ژورنال
عنوان ژورنال: Antimicrobial Agents and Chemotherapy
سال: 2014
ISSN: 0066-4804,1098-6596
DOI: 10.1128/aac.03106-14