Table 2.
The main phenotypic multidrug-resistant patterns of 165 E. coli strains were isolated from different livestock samples of the Emirate of Abu Dhabi.
| No. of classes of drugs | Patterns of multidrug resistance (no. of isolates in this pattern) | No. of total isolates (%) (n = 165) |
|---|---|---|
| 2 | Ampicillin-enrofloxacin (n = 4) | 5 (3%) |
| Ampicillin-gentamicin (n = 1) | ||
| 3 | Tetracycline-gentamicin-enrofloxacin (n = 4) | 17 (10.3%) |
| Tetracycline-co-trimoxazole-gentamicin (n = 1) | ||
| Ampicillin-tetracycline-gentamicin (n = 2) | ||
| Ampicillin-tetracycline-co-trimoxazole (n = 6) | ||
| Ampicillin-co-trimoxazole-gentamicin (n = 1) | ||
| Ampicillin-tetracycline-enrofloxacin (n = 2) | ||
| Ampicillin-gentamicin-enrofloxacin (n = 1) | ||
| 4 | Tetracycline-co-trimoxazole-gentamicin-enrofloxacin (n = 2) | 47 (28.5%) |
| Ampicillin-co-trimoxazole-gentamicin-enrofloxacin (n = 3) | ||
| Ampicillin-tetracycline-gentamicin-enrofloxacin (n = 11) | ||
| Ampicillin-tetracycline-co-trimoxazole-enrofloxacin (n = 14) | ||
| Ampicillin-tetracycline-co-trimoxazole-gentamicin- (n = 17) | ||
| 5 | Ampicillin-tetracycline-co-trimoxazole-gentamicin-enrofloxacin (n = 96) | 96 (58.2%) |