TABLE 2.
Resistance phenotypes of S. enterica serovar Indiana isolates for each antimicrobial from chicken and patients
| Antibiotic | Breakpoint(s)a (mg/liter) | No. (%) of resistant isolates from different sources |
||
|---|---|---|---|---|
| Chicken (n = 133) | Patients (n = 21) | Total | ||
| AMP | ≥32 | 133 (100) | 21 (100) | 154 (100) |
| CAZ | ≥16 | 133 (100) | 21 (100) | 154 (100) |
| CTX | ≥4 | 133 (100) | 21 (100) | 154 (100) |
| CHL | ≥32 | 131 (98.5) | 21 (100) | 152 (98.7) |
| CIP | ≥1 | 133 (100) | 21 (100) | 154 (100) |
| GEN | ≥16 | 128 (96.2) | 20 (95.2) | 148 (96.1) |
| IMP | ≥4 | 0 (0) | 0 (0) | 0 (0) |
| TET | ≥16 | 104 (78.2) | 21 (100) | 125 (81.2) |
| TGC | ≥2 | 0 (0) | 0 (0) | 0 (0) |
| SXT | ≥4/76 | 121 (91.0) | 21 (100) | 142 (92.2) |