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Table 1 Distribution of minimum inhibitory concentrations (MIC) of various antimicrobial agents against equine Actinobacillus equuli isolates using the agar dilution test

From: Whole genome sequencing to study antimicrobial resistance and RTX virulence genes in equine Actinobacillus isolates

  1. The ECOFF, as determined by the NRI method is indicated as a vertical line. The strains showing acquired resistance are underlined. # the standard deviation of the normal distribution of wild type MIC values exceeds 1.2 log2, the outcome can only result in a tentative estimate of the ECOFF and one can only speak of the “putative wild type group”.
  2. $ data available for 22 isolates, & no ECOFF is proposed for spectinomycin because all results were at the upper limit of the tested range; α indicates result for S. aureus ATCC 29,213; β indicates result for E. coli ATCC 25,922; γ indicates result for E. coli ATCC 35,218; for amoxicillin + clavulanic acid (2/1) and trimethoprim + sulfamethoxazole (1/19), the results of amoxicillin and trimethoprim, respectively, are shown.