| Antibiotics | Active ingredient in the disk (mg) | Inhibition diameter (cm) (mean ± SE) |
|---|---|---|
| Florfenicol | 30 | 2.6 ± 0.3 |
| Lincospectin | 30 | 2.1 ± 0.11 |
| Gentamicin | 10 | 1.5 ± 0.08 |
| Tylosin | 30 | 1.5 ± 0.4 |
| Streptomycin | 10 | 0 ± 0 |
| Enrofloxacin | 5 | 0 ± 0 |
| Ciprofloxacin | 30 | 0 ± 0 |
| Tetracycline | 30 | 0 ± 0 |