Table 4 Characteristics of the farms included in the study
Farm | Health status | Location | Sow farm size | Production system | Antibiotic treatment |
|---|---|---|---|---|---|
MT | Glässer’s disease (GD) | Spain | 3300 | Multi-site | Pen + Strep |
MC | Glässer’s disease (GD) | Spain | 480 | Farrow to finish | Ceft |
RC | Glässer’s disease (GD) | Spain | 1400 | Multi-site | Ceft |
EJ | Glässer’s disease (GD) | Spain | 2000 | Multi-site | Enro |
VL | Control (C) | Spain | 700 | Farrow to finish | Tul + Ceft |
PT | Control (C) | Spain | 1000 | Multi-site | NA |
GM | Control (C) | Spain | 1200 | Multi-site | Amox |
GW | Control (C) | UK | 300 | Farrow to finish | Amox |
KD | Control (C) | UK | 750 | Multi-site | none |
LG | Control (C) | UK | 500 | Farrow to finish | none |