Table 1 Group formation and distribution of different farm structures
group | code | FQ treatment of sows | FQ treatment of piglets | farrow-to-finish | farrowing | farrow and rearing | rearing and finishing | fattening | |
|---|---|---|---|---|---|---|---|---|---|
G1 | Trt | S + P- | + | – | 1 | 2 (SPS) | 1 (SPS) | 1 (SPS) | 7 (7 SPS) |
G2 | Ctat | S-P- | – | – | |||||
G3 | Trt | S-P+ | – | + | 2 (1 SPS) | 6 (5 SPS) | |||
G4 | Ctat | S-P- | – | – | 5 (5 SPS) | ||||
G5 | Ctrl | No FQ usage on farm | – | – | 2 | 1 | 3 (1 SPS) | ||
TOTAL | 3 | 2 (SPS) | 4 (2 SPS) | 1 (SPS) | 14 (8 SPS)* | ||||