The strains were tested for resistance at the cut-off values fixed by the European Food Safety Authority (EFSA) for the antibiotics ampicillin, chloramphenicol. new/418-1-4415.php PCR amplification was used to detect genes conferring resistance to: ampicillin (TEM and SHV beta-lactamase) chloramphenicol (catI, catII, catIII and cml). The in vitro activity of ampicillin, ampicillin-sulbactam, cefaclor, cefuroxime, cefotaxime, chloramphenicol, erythromycin and trimethoprim-sulfamethoxazole. allegra print cedar rapids ia Ampicillin (lnj). Colistin (IW. resistant organisms. Helapse WIth resstant orgamsms. Can also spread to lf antlblotlcs. ampicillin 25-194 59-433 62-250 52-877 | ||||||
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