TABLE 2.
Antimicrobial resistance surveillance of Salmonella spp. and Escherichia coli in chicken farms and slaughterhouses (2018–2019) (Department of Veterinary Service [DVS], 2020).
| 2018 | 2019 | |||||||
|
| ||||||||
| Chicken farm |
Salmonella spp. |
E. coli
|
Salmonella spp. |
E. coli
|
||||
| Broiler | Layer | Broiler | Layer | Broiler | Layer | Broiler | Layer | |
| Number (prevalence %) | 39 (15.5) | 2 (3.4) | 101 (39.1) | 38 (65.5) | 72 (30.3) | 11 (22.0) | 207 (87.0) | 56 (50.9) |
| Ampicillin (% R) | 70 | 50 | 90 | 72 | 80 | 7 | 92 | 61 |
| Chloramphenicol (% R) | 58 | 25 | 83 | 28 | 61 | 7 | 80 | 32 |
| Tetracycline (% R) | 84 | 63 | 91 | 71 | 79 | 17 | 94 | 78 |
|
| ||||||||
| 2018 | 2019 | |||||||
|
| ||||||||
| Slaughterhouse |
Salmonella spp. (Prevalence %)
|
E. coli (Prevalence %)
|
Salmonella spp. (Prevalence %)
|
E. coli (Prevalence %)
|
||||
| Broiler | Pork | Broiler | Pork | Broiler | Pork | Broiler | Pork | |
|
| ||||||||
| Number (prevalence %) | 48 (8.90) | 11 (3.31) | 10 (1.86) | 24 (7.23) | 69 (6.86) | 22 (4.80) | 106 (10.54) | 92 (20.09) |
| Ampicillin (% R) | 9 | 63 | 100 | 29 | 61 | 77 | 83 | 57 |
| Chloramphenicol (% R) | 27 | 25 | 100 | 13 | 36 | 59 | 82 | 36 |
| Tetracycline (% R) | 9 | 71 | 100 | 46 | 87 | 96 | 89 | 36 |