Table 6.
Antimicrobial susceptibility of bacterial isolates from mastitic cattle and buffaloes.
| Antimicrobial agents | Concentration (μg) | Susceptible isolates | Resistant isolates | ||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Ampicillin | 10 | 35 | 13.9 | 217 | 86.1 |
| Amoxicillin | 10 | 68 | 34.0 | 132 | 66.0 |
| Amoxicillin/clavulanate | 20/10 | 66 | 38.4 | 106 | 61.6 |
| Cefotaxime/clavulanate | 30/10 | 35 | 14.6 | 205 | 85.4 |
| Oxytetracycline | 30 | 26 | 10.7 | 216 | 89.3 |
| Doxycycline | 30 | 34 | 16.8 | 168 | 83.2 |
| Gentamicin | 10 | 205 | 91.5 | 19 | 08.5 |
| Kanamycin | 30 | 92 | 52.0 | 85 | 48.0 |
| Lincomycin | 10 | 4 | 02.0 | 204 | 98.0 |
| Streptomycin | 10 | 38 | 32.8 | 78 | 67.2 |
| Erythromycin | 15 | 50 | 22.3 | 174 | 77.7 |
| Norfloxacin | 10 | 149 | 65.4 | 79 | 34.6 |
| Enrofloxacin | 10 | 233 | 88.3 | 31 | 11.7 |
| Ciprofloxacin | 05 | 192 | 79.3 | 50 | 20.7 |
| Chloramphenicol | 30 | 212 | 84.1 | 40 | 15.9 |
| Sulphamethoxazole | 23.75 | 2 | 00.7 | 291 | 99.3 |