Table 2.
Presentation of Vitek 2 AST-GN69 card results against 33 E. coli isolates from mastitic milk samples.
| Antimicrobial agent | Degree of resistance and susceptibility |
||||||
|---|---|---|---|---|---|---|---|
| R |
I |
S |
|||||
| No. of isolates | % | No. of isolates | % | No. of isolates | % | ||
| Aztreonam | Cephalosporins and aztreonam | 11 | 33.33 | 3 | 9.10 | 19 | 57.58 |
| Cefazolin | 26 | 78.79 | 0 | 0.00 | 7 | 21.21 | |
| Cefepime | 13 | 39.40 | 2 | 6.10 | 18 | 54.55 | |
| Cefotaxime | 20 | 60.61 | 1 | 3.03 | 12 | 36.36 | |
| Ceftazidime | 22 | 66.67 | 0 | 0.00 | 11 | 33.33 | |
| Ceftriaxone | 18 | 54.55 | 1 | 0.03 | 14 | 42.42 | |
| Doripenem | Carbapenems | 5 | 15.15 | 2 | 6.10 | 26 | 78.79 |
| Ertapenem | 7 | 21.21 | 6 | 18.18 | 20 | 60.61 | |
| imipenem | 4 | 12.12 | 2 | 6.10 | 27 | 81.82 | |
| Meropenem | 5 | 15.15 | 3 | 9.10 | 25 | 75.76 | |