Table 4.
Distribution of multidrug resistant isolates collected from pig and chicken samples during three rounds of antimicrobial resistance surveillance in five provinces in Vietnam, 2017–2019.
| Number of classes | Escherichia coli | Non-typhoidal Salmonella | ||||||
|---|---|---|---|---|---|---|---|---|
| Pig (n = 514) | Chicken (n = 515) | Pig (n = 129) | Chicken (n = 78) | |||||
| No. | % | No. | % | No. | % | No. | % | |
| 1 | 11 | 2.1 | 8 | 1.6 | 7 | 5.4 | 1 | 1.3 |
| 2 | 16 | 3.1 | 13 | 2.5 | 6 | 4.7 | 1 | 1.3 |
| 3 | 39 | 7.6 | 15 | 2.9 | 11 | 8.5 | 3 | 3.8 |
| 4 | 77 | 15 | 61 | 11.8 | 51 | 39.5 | 18 | 23.1 |
| 5 | 160 | 31.1 | 121 | 23.5 | 29 | 22.5 | 6 | 7.7 |
| 6 | 129 | 25.1 | 147 | 28.5 | 20 | 15.5 | 10 | 12.8 |
| 7 | 59 | 11.5 | 106 | 20.6 | 4 | 3.1 | 28 | 35.9 |
| 8 | 20 | 3.9 | 42 | 8.2 | 1 | 0.8 | 11 | 14.1 |
| 9 | 3 | 0.6 | 2 | 0.4 | 0 | 0 | 0 | 0 |
| 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Median | 5 | 6 | 4 | 6 | ||||