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Table 1 Prevalence of antimicrobial resistance at isolate and farm level of indicator Escherichia coli isolated from healthy chickens in Vietnam

From: Pathogenic potential and the role of clones and plasmids in beta-lactamase-producing E. coli from chicken faeces in Vietnam

Unit of study (No. examined) Percentage (%) of units with one or more nonsusceptible isolates per categorya, antimicrobial classb and antimicrobialc
Critically important Highly important
Highest priority High priority
FLQ CPS PEN PEN/I AMG CPM FOL PHE TET
NAL CIP TIO CRO AMP AMC GEN KAN STR FOX SXT SSS CHL TET
Isolates (n = 203) 83.7 59.6 3.9 3.9 95.6 3.4 54.2 65.5 68.5 3.9 94.1 94.6 86.2 97.5
Farms (n = 5) 100 100 80.0 80.0 100 60.0 100 100 100 80.0 100 100 100 100
  1. aCategory of human antimicrobial importance according to the World Health Organization (WHO) [66]
  2. bAntimicrobial classes: FLQ Fluoroquinolones, PEN/I Penicillin+β-Lactamase inhibitors, CPS Cephalosporines, AMG Aminoglycosides, CPM Cephamycin, PEN Penicillin, FOL Folate inhibitors, PHE Phenicols, TET Tetracyclines
  3. cAntimicrobials: NAL Nalidixic acid, CIP Ciprofloxacin, AMC Amoxicillin/clavulanic acid, TIO Ceftiofur, CRO Ceftriaxone, AMP Ampicillin, FOX Cefoxitin, GEN Gentamicin, KAN Kanamycin, STR Streptomycin, SXT Trimethoprim-sulphamethoxazole, SSS Sulfisoxazole, CHL Chloramphenicol, TET Tetracycline