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Table 2 Minimum inhibitory concentrations (MICs) of 12 antimicrobials against 146 Enterococcus spp. 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, GEN Gentamicin, ERY Erythromycin, TET Tetracycline, TGC Tigecylince, CIP Ciprofloxacin, VAN Vancomicin, TEI Teicoplanin, SYN Quinupristin-dalfopristin, DAP Daptomycin, LZD Linezolid, CHL Chloramphenicol
  2. bSYN: Enterococcus faecalis was excluded of quinupristin-dalfopristin MIC distribution, WT and NWT phenotypes due to its intrinsic resistance