TABLE 3.
Resistancea of E. faecalis and E. faecium strains isolated from food to selected antibiotics
| Antibiotic | Data for resistant E. faecalis FAIR-E strains
|
Data for resistant E. faecium FAIR-E strains
|
||
|---|---|---|---|---|
| Strains used (n = 47) | Incidence (%) | Strains used (n = 48) | Incidence (%) | |
| Ampicillin | E 235 | 2.1 | None of strains | 0 |
| Penicillin | E 71, E 85, E 226, E 229, E 260, E 278 | 12.8 | E 9, E 15, E 20, E 25, E 34, E 50, E 151, E 154, E 160t1, E 170, E 171, E 196, E 198, E 201, E 207, E 210, E 217, E 263, E 266, E 280, E 365, E 371 | 45.8 |
| Chloramphenicol | E 63, E 71, E 74, E 85, E 88, E 177, E 224, E 226, E 229, E 235, E 236, E 237, E 238, E 256, E 259, E 260, E 265, E 279, E 281, E 298, E 299, E 307, E 324, E 329, E 337, E 348, E 351, E 372, E 378, E 404 | 63.8 | E 25, E 151, E 207, E 280, E 362 | 10.4 |
| Tetracycline | E 63, E 74, E 85, E 88, E 176, E 224, E 229, E 235, E 236, E 237, E 238, E 260, E 265, E 315, E 321, E 324, E 325, E 329, E 348, E 372, E 378 | 44.7 | E 25, E 84, E 225 | 6.3 |
| Erythromycin | E 63, E 69, E 77, E 85, E 88, E 224, E 229, E 238, E 260, E 265, E 302, E 307, E 321, E 329, E 348 | 31.9 | E 3, E 25, E 34, E 84, E 151, E 170, E 198, E 201, E 202, E 210, E 345, E 349, E 383 | 27.1 |
| Ciprofloxacin | E 85, E 229, E 238, E 255, E 256, E 259, E 260, E 265, E 298, E 307, E324, E 378, E 404 | 27.7 | E 3, E 6, E 13, E 14, E 25, E 34, E 84, E 151, E 154, E 160t1, E 170, E 171, E 169, E 198, E 201, E 202, E 206, E 207, E 212, E 217, E 225, E 243, E 254, E 345, E 362, E 366, E 383 | 56.3 |
| Streptomycin | E 63, E 85, E 88, E 224, E 229, E 235, E 236, E 237, E 238, E 259, E 265, E 279, E 292, E 298, E 321, E 324, E 325, E 329, E 348, E 372, E 378, E 404 | 46.8 | E 84, E 225 | 4.2 |
| Gentamicin | E 71, E 85, E 88, E 226, E 259, E 260, E 265, E 321, E 329, E 363, E 372, E 378 | 25.5 | E 160t1 | 2.1 |
| Vancomycin | None | 0 | E 84 | 2.1 |
a
Resistance interpreted on the basis of MICs for enterococci that are supplied elsewhere (22a). MICs: ampicillin, ≥16 μg/ml; penicillin, ≥16 μg/ml; chloramphenicol, ≥32 μg/ml; tetracycline, ≥16 μg/ml; erythromycin, ≥8 μg/ml; ciprofloxacin, ≥4 μg/ml; high-level streptomycin, > 1,000 μg/ml; high-level gentamicin, >500 μg/ml; and vancomycin, ≥32 μg/ml.