Table 2.
Antimicrobial susceptibility of 183 E. coli cultured from chicken faecal samples on integrated chicken-fish farming systems in the Ayeyarwady Delta of Myanmar.
| Antimicrobial | Abbreviation | N farms (Percentage) | ||
|---|---|---|---|---|
| Susceptible | Intermediate | Resistant | ||
| Ampicillin/amoxicillin | AMP | 58 (31.7) | 25(13.7) | 100 (54.6) |
| Amoxicillin/clavulanic acid | AMC | 142 (77.6) | 34 (18.6) | 7 (3.8) |
| Cephalothin | KF | 121 (66.1) | 43 (23.5) | 19 (10.2) |
| Cefoxitin | FOX | 178 (97.3) | 1 (0.5) | 4 (2.2) |
| Ceftiofur | EFT | 175 (95.6) | 8 (4.4%) | 0 (0) |
| Chloramphenicol | CHL | 177 (96.7) | 6 (3.3) | 0 (0) |
| Colistin | Ct | 172 (94.0) | a | 11 (6.0) |
| Enrofloxacin | ENR | 85 (46.4) | 35 (19.1) | 63 (34.4) |
| Gentamicin | GEN | 154 (84.2) | 5 (2.7) | 24 (13.1) |
| Neomycin | N | 177 (93.4) | a | 12 (6.6) |
| Sulfamethoxazole/trimethoprim | SXT | 112 (61.2) | 6 (3.3) | 65 (35.5) |
| Tetracycline | TET | 107 (58.5) | 3 (1.6) | 73 (39.9) |
aColistin and neomycin only have susceptible and resistant clinical breakpoints.