Table 4.
Phenotypic resistance profile in isolates of Staphylococcus spp. (n = 136) from mastitic cows.
| Number Group of Antimicrobials | Phenotypic Resistance Profile | Number of Isolates | % of Isolates |
|---|---|---|---|
| 0 | 30 | 22.1 | |
| 1 | STR | 11 | 8.1 |
| 1 | PEN | 9 | 6.6 |
| 1 | NMC | 8 | 5.9 |
| 1 | AMX | 7 | 5.1 |
| 1 | NVB | 6 | 4.4 |
| 1 | AMP | 6 | 4.4 |
| 1 | LNC | 4 | 2.9 |
| 2 | NMC, STR | 9 | 6.6 |
| 2 | AMP, NVB | 4 | 2.9 |
| 2 | CPR, NVB | 2 | 2.2 |
| 2 | LNC, NVB | 2 | 1.5 |
| 3 | PEN, AMX, OXA | 4 | 2.9 |
| 3 | AMP, AMX, OXA | 3 | 2.2 |
| 3 | PEN, LNC, NVB | 2 | 1.5 |
| 3 | AMP, OXA, NMC | 3 | 2.2 |
| 3 | AMP, AMX, NVB | 4 | 2.9 |
| 3 | PEN, AMX, AMC, | 2 | 1.5 |
| 3 * | NVB, LNC, STR | 4 | 2.9 |
| 4 | AMP, CEP, FOX, OXA | 3 | 2.2 |
| 4 * | RFX, CPR, STR, TET | 2 | 1.5 |
| 4 * | CPR, LNC, NMC, NVB | 3 | 2.2 |
| 4 * | NVB, CPR, NMC, STR | 2 | 1.5 |
| 4 * | AMP, CEP, FOX, PEN | 3 | 2.2 |
| 5 * | OXA, FOX, AMP, NMC, STR | 2 | 1.5 |
| Total ATBs resistant isolates | 105 | 77.2 | |
Note: * MDR—multi drug resistant isolates to three or more antimicrobial classes; AMX—amoxicillin, AMC—amoxicillin+clavulanat acid, AMP—ampicillin, CEP—cephalexin, CPR—ciprofloxacin, FOX—cefoxitin, LNC—lincomycin, NMC—neomycin, NVB—novobiocin, OXA—oxacillin, PEN—penicillin, RFX—rifaximin, STR—streptomycin, TET—tetracycline.