Table 3. Antibiogram of P. multocida isolates (according to the standards given by CLSI [56]).
| IMT 18907 | IMT 18890 | IMT 18908 | IMT 18909 | |
| ß-lactamases | ||||
| Amoxicillin-clavulanic acid | S | S | S | S |
| Ampicillin | S | S | S | S |
| Penicillin | S | S | S | S |
| Cefalexin | S | S | S | S |
| Cefazolin | S | S | S | S |
| Cefovecin | S | S | S | S |
| Aminoglycosides | ||||
| Amikacin | S | S | S | S |
| Gentamycin | S | S | S | S |
| Fluoroquinolones | ||||
| Enrofloxacin | S | S | S | S |
| Marbofloxacin | S | S | S | S |
| Tetracyclines | ||||
| Doxycycline | S | S | S | S |
| Tetracycline | I | I | I | I |
| Sulfadimidine | ||||
| Sulfamethoxazole/trimethoprim | S | R | S | S |
| Lincosamide | ||||
| Clindamycin | R | R | R | R |
| Polymyxine | ||||
| Polymyxin B | S | S | S | S |
| Chloramphenicole | S | S | S | S |
S: susceptible; R: resistant; I: intermediate.