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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