Table 3.
Resistance of 90 isolated strains of Escherichia coli from three aquaculture farms in Zhanjiang, China, to 23 kinds of antimicrobial drugs.
| Antimicrobial drugs | Number of resistance isolates | Percentage, % | Antimicrobial drugs | Number of resistance isolates | Percentage, % |
|---|---|---|---|---|---|
| Penicillin | 81 | 90.00 | Ciprofloxacin | 6 | 6.67 |
| Amoxicillin | 74 | 82.22 | Ofloxacin | 2 | 2.22 |
| Ampicillin | 70 | 77.78 | Lomefloxacin | 11 | 12.22 |
| Aztreonam | 6 | 6.67 | Compound Sulfamethoxazole | 72 | 80.00 |
| Cefotaxime | 31 | 34.44 | |||
| Ceftriaxone | 25 | 27.78 | Sulfisoxazole | 81 | 90.00 |
| Gentamicin | 8 | 8.89 | Chloramphenicol | 76 | 84.44 |
| Amikacin | 1 | 1.11 | Florfenicol | 77 | 85.56 |
| Streptomycin | 11 | 12.22 | Polymyxin B | 0 | 0.00 |
| Azithromycin | 13 | 14.44 | Nitrofurantoin | 1 | 1.11 |
| Tetracycline | 73 | 81.11 | Rifampicin | 90 | 100 |
| Doxycycline | 29 | 32.22 | Fosfomycin | 0 | 0.00 |