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Table 3 Prevalence of ESBL producers among E. coli Strains from rodents in the animal experimental unit

From: Genetic characterization of commensal Escherichia coli isolated from laboratory rodents

Strains Zone diameter (mm) ESBL producing organismb
CTXa CTX + CAa CAZa CAZ + CAa
K. pneumoniae ATCC 700603 6 28 7 20 +
E. coli ATCC 25922 15 15 16 16
UM-AEU015 14 14 14 14
UM-AEU018 13 13 15 15
UM-AEU021 16 16 16 16
UM-AEU116 15 16 15 16
UM-AEU131 13 13 14 14
UM-AEU140 15 15 15 16
UM-AEU197 14 15 15 16
UM-AEU198 13 14 14 14
UM-AEU202 13 13 13 14
UM-AEU203 15 16 16 17
UM-AEU208 14 14 15 16
UM-AEU213 15 15 16 16
UM-AEU214 14 15 15 15
  1. aCTX = cefotaxime, CTX + CA = cefotaxime-clavulanic acid, CAZ = ceftazidime, CAZ + CA = ceftazidime-clavulanic acid
  2. bESBL producing organism; + = ESBL producer, − = non-ESBL producer