Table 4. Antibiotic susceptibility testing of Listeria monocytogenes isolate strains FI-1, FI-2, and FI-3
| Antibiotic | Farm isolates (FI)
|
| FI-1 | FI-2 | FI-3 |
| Gentamycin | 12.0 ± 0.8a R | 12.0 ± 0.8 R | 12.5 ± 1.3 R |
| Penicillin G | 10.3 ± 2.1 R | 10.5 ± 1.9 R | 10.0 ± 0.8 R |
| Tetracycline | 14.5 ± 1.3A I | 15.8 ± 1.0A I | 13.3 ± 1.0B R |
| Spectinomycin | 10.0 ± 1.4 R | 10.8 ± 1.5 R | 9.5 ± 1.7 R |
| Kanamycin | 12.8 ± 1.0 R | 12.0 ± 1.4 R | 12.3 ± 1.5 R |
| Erythromycin | 15.5 ± 1.3 I | 15.3 ± 1.7 I | 15.0 ± 2.2 I |
| Tigecycline | 13.3 ± 1.5 R | 13.0 ± 1.8 R | 11.5 ± 2.1 R |
| Ampicillin | 14.0 ± 2.2 R | 14.0 ± 1.8 R | 13.5 ± 1.9 R |
| Streptomycin | 9.8 ± 1.0 R | 9.5 ± 1.3 R | 8.5 ± 1.3 R |
| Vancomycin | 11.5 ± 0.6A R | 12.3 ± 1.0A R | 10.8 ± 1.0B R |
| Chloramphenicol | 13.0 ± 2.0 I | 13.0 ± 2.3 I | 12.3 ± 2.1 R |
| Rifampicin | 11.8 ± 1.0 R | 12.5 ± 1.3 R | 12.0 ± 1.2 R |