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Characteristics of hog facilities, swine, and target worker populations.
| Characteristic | Industrial Hog Operation (IHO) | Antibiotic-Free Hog Operation (AFHO) |
|---|---|---|
| Number of facilities | 1 | 3 |
| Type of facility | Confinement | Pasture-based |
| Total number of swine, average [range] | 789 | 54 [21–75] |
| Sows, average [range] | 259 | 10 [3–18] |
| Nursery/Weaner, average [range] | 280 | 0 |
| Feeder/Finish, average [range] | 0 | 42 [18–55] |
| Number of barns | 4 | 0 |
| Number of workers, average [range] | 3 | 2 [2–3] |
