Table 8.
Results of antimicrobial susceptibility of E. tarda isolates and MIC values.
| Antibiotics (conc.) | Disc code | Concentration (μg) | Sensitive | Intermediate | Resistant | MIC50 (μg /ml) | MIC90 (μg /ml) |
|---|---|---|---|---|---|---|---|
| Amoxicillin | AMX | 10 | 0 | 0 | 100% | >64 | >128 |
| Ampicillin | AMP | 10 | 0 | 50% | 50% | <16 | <32 |
| Cefotaxime | CTX | 30 | 0 | 50% | 50% | >8 | >16 |
| Chloramphenicol | C | 30 | 100% | 0 | 0 | 0.5 | 1 |
| Ciprofloxacin | CIP | 5 | 100% | 0 | 0 | 2 | 4 |
| Doxycycline | DO | 5 | 0 | 50% | 50% | 8 | 16 |
| Erythromycin | E | 15 | 0 | 0 | 100% | >32 | >64 |
| Flumequine | FLU | 30 | 0 | 0 | 100% | >64 | >128 |
| Gentamicin | GM | 10 | 100% | 0 | 0 | 0.5 | 1 |
| Neomycin | N | 30 | 0 | 50% | 50% | >16 | <32 |
| Norfloxacin | NOR | 10 | 100% | 0 | 0 | <2 | <4 |
| Streptomycin | S | 10 | 100% | 0 | 0 | 1 | 2 |
| Sulfamethoxazole | SXT | 25 | 100% | 0 | 0 | 2 | 4 |
| Tetracycline | TE | 30 | 0 | 50% | 50% | 8 | 16 |