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Description of the nine outdoor pig farms participating in the study
| Farm ID | Farm type | Farm size category |
|---|---|---|
| 1-O | Breeder | 750–1000 sows |
| 2-O | Finisher | >2500 finishers |
| 3-O | Finisher | >2500 finishers |
| 4-O | Finisher | 1001–2500 finishers |
| 5-O | Breeder | 1001–2500 sows |
| 6-O | Breeder | 1001–2500 sows |
| 7-O | Farrow-to-finish | <750 sows |
| 8-O | Breeder | 750–1000 sows |
| 9-O | Breeder | 750–1000 sows |
