Table 1.
Demographic information for the farms in the study into antimicrobial use in commercial pig production in Vietnam.
| All Farms (n = 36) | Dong Nai (Southern) (n = 19) | Nam Dinh (Northern) (n = 17) | ||
|---|---|---|---|---|
| Information on farm size and productivity data recording | ||||
| Median number of pigs on farm at time of survey (Minimum–maximum, IQ range *) | Sows 5.5 (1–40, 7.5) Piglets 20 (7–80, 39) Fatteners 41 (1–250, 76.25) |
Sows 10 (1–40, 20) Piglets 45 (10–80, 30) Fatteners 85 (10–250, 125) |
Sows 4 (1–11, 4) Piglets 17 (7–50, 17.25) Fatteners 20 (1–60, 31.5) |
|
| Proportion of farms with productivity data recorded | Number of pigs | 75% | 100% | 47% |
| Health status | 67% | 84% | 47% | |
| Profit | 28% | 42% | 12% | |
| Information on farm workers | ||||
| Number of farm workers across the farms | 56 | 28 | 28 | |
| Proportion of farm workers where pigs are their main occupation | 75% | 89% | 61% | |
| Gender | Female | 37% | 25% | 50% |
| Male | 63% | 75% | 50% | |
| Main role | Farm manager/owner | 80% | 82% | 79% |
| Veterinarian | 7% | 14% | 0% | |
| Other farm workers | 13% | 4% | 21% | |
| Median number of hours each worker spent with pigs (Minimum–Maximum, IQ range *) | 35 (3–56, 35) | 48 (21–56, 19.25) | 22 (3–56, 16.5) | |
* IQ range—interquartile range.