Table 3.
Prevalence of resistance to selected antimicrobial agents among Escherichia coli isolates obtained from broiler and layer chickens in Arusha and Mwanza by chicken type.
| Sn | Antimicrobial agent | Proportion of resistance n (%) | p value | |
|---|---|---|---|---|
| Broiler (n = 103) | Layer (n = 101) | |||
| 1 | Ertapenem | 32 (15.7) | 30 (14.7) | 0.832 |
| 2 | Chloramphenicol | 58 (28.4) | 52 (25.5) | 0.489 |
| 3 | Ceftriaxone | 53 (26.0) | 21 (20.6) | 0.158 |
| 4 | Ciprofloxacin | 71 (34.8) | 69 (33.8) | 0.925 |
| 5 | Ampicillin | 103 (50.5) | 101 (49.5) | — |
| 6 | Trimethoprim/sulfamethoxazole | 96 (47.1) | 86 (42.2) | 0.064 |
| 7 | Gentamicin | 13 (6.4) | 8 (3.9) | 0.269 |
Key: Sn = serial number.