Table 1.
Antimicrobial resistance profile of Escherichia coli isolates (n = 402) from livestock and in-contact humans in Southeast Nigeria.
| Class of antimicrobial | Antimicrobial agent | Number (%) of isolates resistant |
|---|---|---|
| Carbapenem | Meropenem (10 μg) | 114 (28) |
| Third-generation cephalosporin | Ceftazidime (30 μg) | 364 (91) |
| Cefotaxime (30 μg) | 402 (100) | |
| Penicillin | Ampicillin (10 μg) | 402 (100) |
| Monobactam | Aztreonam (30 μg) | 402 (100) |
| β-Lactam inhibitor | Amoxicillin/ clavulanic acid (30 μg) | 159 (40) |
| Quinolone and fluoroquinolones | Ofloxacin(5 μg) | 108 (27) |
| Norfloxacin (10 μg) | 115 (29) | |
| Ciprofloxacin (10 μg) | 142 (35) | |
| Enrofloxacin (5 μg) | 115 (29) | |
| Aminoglycoside | Gentamicin (10 μg) | 120 (30) |
| Streptomycin (5 μg) | 261 (65) | |
| Folate pathway inhibitor | Sulfamethoxazole/ trimethoprim (25 μg) | 316 (79) |
| Tetracycline | Tetracycline (30 μg) | 305 (76) |