Table 8 The multidrug-resistance patterns of the isolated bacterial pathogens from pneumonic calves
Antimicrobial agent | E. coli (N = 40), N (%) | S. aureus (N = 20), N (%) | P. aeruginosa (N = 10), N (%) | P. multocida (N = 3), N (%) |
|---|---|---|---|---|
Ampicillin | 8 (20%) | 20 (100%) | 10 (100%) | 3 (100%) |
Amoxicillin | 12 (30%) | 20 (100%) | 10 (100%) | 3 (100%) |
Erythromycin | 32 (80%) | 4 (20%) | 10 (100%) | 3 (100%) |
Gentamicin | 36 (90%) | 4 (20%) | – | – |
Streptomycin | 32 (80%) | 10 (50%) | 2 (20%) | 3 (100%) |
Tetracycline | 16 (40%) | 14 (70%) | 8 (80%) | – |
Trimethoprim-Sulphamethoxazol | 28 (70%) | 6 (30%) | 2 (20%) | 2 (67%) |