Table 4. Antimicrobial susceptibility testing of the Kocuria salsicia isolates (KS1–KS9)
Sample (no. of isolates) | Isolate ID | MIC value (interpretation) | MDR |
Antimicrobial agent |
AMK | CHL | CLI | GEN | POD | ENO | ERY | MAR | MIN | NIT | PRA | SXT |
Cheese brine | PC | ≤2 (S) | 8 (S) | ≤0.12 (S) | ≤0.5 (S) | 2 (S) | 0.12 (S) | ≤0.25 (S) | 0.25 (S) | 0.25 (S) | 16 (S) | 0.12 (S) | ≤10 (S) | –1) |
KS1 | ≤2 (S) | ≤4 (S) | 0.25 (S) | ≤0.5 (S) | 1 (S) | 2 (I) | ≤0.25 (S) | ≥4 (R) | 1 (I) | 256 (R) | 1 (I) | ≤10 (S) | – |
KS2 | 4 (S) | ≤4 (S) | ≤0.12 (S) | 1 (S) | 2 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | ≥16 (R) | 256 (R) | 2 (R) | ≤10 (S) | +2) |
KS3 | ≤2 (S) | ≤4 (S) | ≤0.12 (S) | ≤0.5 (S) | 1 (S) | 2 (I) | ≤0.25 (S) | ≥4 (R) | 8 (R) | ≥512 (R) | 0.25 (S) | ≤10 (S) | + |
KS4 | ≤2 (S) | 8 (S) | 0.5 (S) | ≤0.5 (S) | 2 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | 1 (I) | 256 (R) | 1 (I) | ≤10 (S) | – |
KS5 | 4 (S) | ≤4 (S) | ≤0.12 (S) | 1 (S) | 1 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | 8 (R) | 256 (R) | 1 (I) | ≤10 (S) | + |
KS6 | ≤2 (S) | ≤4 (S) | 0.25 (S) | ≤0.5 (S) | 1 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | 1 (I) | 256 (R) | 0.5 (I) | ≤10 (S) | – |
KS7 | 4 (S) | ≤4 (S) | 0.25 (S) | 1 (S) | 4 (I) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | ≥16 (R) | ≥512 (R) | 2 (R) | ≤10 (S) | + |
KS8 | ≤2 (S) | ≤4 (S) | 0.25 (S) | ≤0.5 (S) | 0.5 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | ≤0.5 (S) | 256 (R) | 1 (I) | ≤10 (S) | – |
KS9 | 4 (S) | ≤4 (S) | 0.25 (S) | 1 (S) | 0.5 (S) | ≥4 (R) | ≤0.25 (S) | ≥4 (R) | 4 (R) | 256 (R) | 2 (R) | ≤10 (S) | + |
– indicates a negative result for antimicrobial resistance against more than three antimicrobial categories.
+ indicates a positive result for antimicrobial resistance against more than three antimicrobial categories.
MIC, minimum inhibitory concentration; AMK, amikacin; CHL, chloramphenicol; CLI, clindamycin; GEN, gentamicin; POD, cefpodoxime; ENO, enrofloxacin; ERY, erythromycin; MAR, marbofloxacin; MIN, minocycline; NIT, nitrofurantoin; PRA, pradofloxacin; SXT, trimethoprim/ sulfamethoxazole; (R), resistant; (I), intermediate; (S), susceptible; MDR, multidrug-resistant; PC, positive control (Staphylococcus aureus ATCC 29213); KS1–KS9, K. salsicia KS1–KS9; ATCC, American Type Culture Collection.