Research Article
Multidrug Resistance and Plasmid Profiles of Escherichia coli Isolated from Lebanese Broiler Farms
Table 1
Resistance pattern of E. coli isolated from poultry intestinal specimens to various antimicrobials evaluated in this study.
| | Antibiotic | Antibiotic class | % of isolates | | Resistant | Intermediate | Susceptible |
| | AMP (Ampicillin) | Penicillins | 100.0 | 0.0 | 0.0 | | AMC (Amoxicillin) | Penicillins | 93.3 | 6.7 | 0.0 | | TZP (Piperacillin + Tazobactam) | Penicillins | 40.0 | 10.0 | 50.0 | | PG (Penicillin G) | Penicillins | 100.0 | 0.0 | 0.0 | | CTX (Cefoxitin) | Cephalosporin 2 | 90.0 | 0.0 | 10.0 | | KF (Cephalothin) | Cephalosporin 1 | 100.0 | 0.0 | 0.0 | | FC (Fusidic Acid) | Cephalosporin P1 | 100.0 | 0.0 | 0.0 | | ATM (Aztreonam) | Monobactam | 90.0 | 0.0 | 10.0 | | IPM (Imipenem) | Carbapenem | 0.0 | 0.0 | 100.0 | | NOR (Norfloxacin) | Fluoroquinolones | 3.3 | 6.7 | 90.0 | | CIP (Ciprofloxacin) | Fluoroquinolones | 6.7 | 0.0 | 93.3 | | TM (Trimethoprim) | Trimethoprim | 20.0 | 33.3 | 46.7 | | SMX (Sulfamethoxazole) | Sulfonamides | 100.0 | 0.0 | 0.0 | | T (Tetracycline) | Tetracyclines | 100.0 | 0.0 | 0.0 | | E (Erythromycin) | Macrolides | 100.0 | 0.0 | 0.0 | | AK (Amikacin) | Aminoglycoside | 63.3 | 0.0 | 36.7 | | GM (Gentamicin) | Aminoglycoside | 100.0 | 0.0 | 0.0 | | CD (Clindamycin) | Macrolides | 100.0 | 0.0 | 0.0 |
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