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Table 3 Antibiotic susceptibility of 9 Enterobacteriaceae isolates other than E. coli from broilers using broth microdilution test

From: Antimicrobial resistance in Enterobacteriaceae from healthy broilers in Egypt: emergence of colistin-resistant and extended-spectrum β-lactamase-producing Escherichia coli

Antibiotic Enterobacter cloacae (n = 5) Resistance rate (%) Citrobacter spp. (n = 2) Resistance rate (%) Klebsiella pneumoniae (n = 2) Resistance rate (%)
S I R S I R S I R
Penicillin (PEN) 0 0 5 100 0 0 2 100 0 0 2 100
Erythromycin (ERY) 0 0 5 100 1 0 1 50.0 0 0 2 100
Rifampicin (RAM) 0 0 5 100 0 0 2 100 0 0 2 100
Trimethoprim/sulfamethoxazole (T/S) 2 0 3 60.0 0 1 1 50.0 0 0 2 100
Streptomycin (STR) 1 0 4 80.0 0 0 2 100 0 0 2 100
Tetracycline (TET) 4 0 1 20.0 1 0 1 50.0 0 0 2 100
Ceftazidime (CAZ) 3 1 1 20.0 0 0 2 100 0 0 2 100
Amoxicillin/clavulanic acid (AMC) 1 0 4 80.0 1 1 0 0.0 0 0 2 100
Chloramphenicol (CMP) 4 0 1 20.0 2 0 0 0.0 0 0 2 100
Ciprofloxacin (CIP) 4 0 1 20.0 2 0 0 0.0 0 0 2 100
Gentamicin (GEN) 4 0 1 20.0 2 0 0 0.0 0 0 2 100
Levofloxacin (LEV) 4 0 1 20.0 2 0 0 0.0 0 0 2 100
Amikacin (AMK) 5 0 0 0.0 1 0 1 50.0 2 0 0 0.0
Imipenem (IMP) 4 1 0 0.0 2 0 0 0.0 1 1 0 0.0
  1. S susceptible, I intermediate, R resistant
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Gut Pathogens

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