Table 5 Multidrug-resistance patterns of the major bacterial pathogens associated with BRD
Class | Antimicrobial agents | Bacterial pathogens and resistance percentage (%) | ||
|---|---|---|---|---|
M. haemolytica | P. multocida | H. somni | ||
β-lactam | Penicillin-G | 43.2 | 48.1 | 51.8 |
Ampicillin | 38.7 | 43.3 | 42.9 | |
Aminoglycosides | Streptomycin | 78.5 | 84.0 | 71.4 |
Gentamycin | 72.8 | 80.2 | 66.1 | |
Tetracycline | Tetracycline | 18.3 | 22.2 | 12.5 |
Oxytetracycline | 14.7 | 16.1 | 8.9 | |