Table 3 Antimicrobial resistance of the 21 sequenced Iranian G. anatis isolates
From: Clonal spread of multi-resistant Gallibacterium anatis isolates among Iranian broilers and layers
Antimicrobial | Concentration (μg/mL) | No. of isolates (%) | ||
|---|---|---|---|---|
Susceptible | Intermediate | Resistant | ||
Amikacin | 4–32 | 95.2 | 0.0 | 4.8 |
Amoxicillin/clavulanic acid | 0.25/0.12 to 8/4 | 66 | 34 | 0.0 |
Cefazolin | 1–32 | 23.8 | 71.4 | 4.7 |
Ceftazidime | 4–16 | 80.9 | 9.5 | 9.5 |
Chloramphenicol | 2–32 | 95.2 | 4.8 | 0.0 |
Doxycycline | 0.25–8 | 81 | 14.3 | 4.7 |
Enrofloxacin | 0.125–4 | 0.0 | 9.5 | 90.5 |
Gentamicin | 0.25–8 | 76.2 | 9.5 | 14.3 |
Imipenem | 1–8 | 76.2 | 9.5 | 14.3 |
Tetracyclinea | 4–16 | 23.8 | 0.0 | 76.2 |
Trimethoprim/sulfamethoxazole | 0.5/9.5–4/76 | 90.5 | 0.0 | 9.5 |