Fig 1.
Antimicrobial resistance patterns for E. coli (n = 296) based on EUCAST epidemiological cut-off (ECOFF) breakpoints.
The percentage of susceptible isolates is marked in blue and the percentage of resistant isolates is marked in red, unless otherwise indicated by footnotes (Percentage results were rounded to one decimal place). ** Data for this antimicrobial was based on CLSI clinical breakpoints due to the ECOFF breakpoint being below the dilution range.
Table 1.
Distribution of minimum inhibitory concentrations (mg/L) for Escherichia coli isolates (n = 296) from faeces of Australian layer chickens.
The percentage of resistance based on ECOFF breakpoints (non-wild type) and clinical breakpoints (clinical resistance) are presented on the right-hand side (Percentage results were rounded to one decimal place). Vertical bars indicate position of ECOFF breakpoint.
Table 2.
Class-based antimicrobial susceptibility profiles of E. coli isolates (n = 296) obtained from Australian layer chickens.
Table 3.
Phenotype and genotype data for quinolone-resistant E. coli isolates.