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Table 1 Minimum inhibitory concentrations (MICs) of 14 antimicrobials against 148 Escherichia coli isolates from animal and environmental samples recovered from swine farms. The thick line represents the epidemiological cut-off value (ECOFF) used for each antimicrobial to classify isolates into non-wild type (NWT) and wild type (WT). Areas in grey represent values outside the concentrations included in the broth microdilution method

From: Antimicrobial resistance in commensal Escherichia coli and Enterococcus spp. is influenced by production system, antimicrobial use, and biosecurity measures on Spanish pig farms

  1. aAntimicrobial: AMP Ampicillin, FOT Cefotaxime, TAZ Ceftazidime, MERO Meropenem, GEN Gentamicin, AZI Azithromycin, TET Tetracycline, CIP Ciprofloxacin, NAL Nalidixic acid, COL Colistin, SMX Sulfamethoxazole, TMP Trimethoprim, TGC Tigecycline, CHL Chloramphenicol