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. 2019 May 3;6:131. doi: 10.3389/fvets.2019.00131

Figure 5.

Figure 5

Milligrams/population correction unit (mg/PCU) and antimicrobial resistance indicator index (AMR Ix) for Escherichia coli in broiler chickens and turkeys. (A) Milligram/population correction unitpoultry (total use) and AMR lx (multiclass/susceptible isolates). (B) Milligram/population correction unitpoultrv (ceftiofur use) and AMR lx (ceftriaxone resistance). (C) Milligram/population correction unitpoultrv (gentamicin and lincomycin-spectinomycin use) and AMR (gentamicin resistance). AMR, antimicrobial resistance; mg/PCUpoultry, the total milligrams/population correction unit in broiler chickens and turkeys combined; AMR Ix, antimicrobial resistance indicator index; CRO-R, ceftriaxone-resistant; GEN-R, gentamicin-resistant, ≥2 Multiclass-R, sum of all isolates that exhibited resistance to 2 or more classes of antimicrobials.