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Commonly used feeding systems for group-housed pregnant sows
| Feeding system | Physical separation during feeding | Individual ration | Eating simultaneously |
|---|---|---|---|
| Electronic feeding station with sow identification | complete | yes | no |
| Electronic feeding station without sow identification | no | no | no |
| Free access stalls | complete | no | yes |
| Drop feeding | partial (no) | no | yes |
| Floor feeding | no | no | yes |
| Ad libitum feeding | no | no | no |
