Variable group | Variable description |
---|---|
1. General farm information | Geographic location (by region) |
Number of sites (one/multiple) | |
Herd size (measured by number of sows) | |
Pig density (total number of pigs within 10 km radius from the farm) | |
Farm type: outdoor/ indoor | |
2. Herd health | Farmers perception: |
Herd vaccination program (PPV, PRRS) | |
Type of PRRS vaccine used (none/killed virus /live virus) | |
Results from serology and PCR: | |
Serological results: APP, SI (avian-like H1N1, H1N2, H3N2) | |
PCR results: PCV2 (PCR) | |
3. General management practices | Herd environment: |
Ventilation type (natural/artificial/both) | |
Lightening (natural/artificial/both) | |
Presence of slurry system (yes/no) | |
Use of straw yards at any stage of the production (yes/no) | |
Presence of other animal species on the farm (yes/no) | |
Weaners stocking density/pen | |
Growers stocking density/pen | |
Finishers stocking density/pen | |
Herd management: | |
Number of movements between weaning and finishing | |
Mixing of pigs at any stage of the production (yes/no) | |
All in all out system at any stage of the production (yes/no) | |
Use of sick/hospital pens on farm (yes/no) | |
Routine cross-fostering performed (yes/no) | |
4. Genetics | Breed composition (percentage of breeds in the average finishing pig): |
Large White (LW) | |
Landrace (LD) | |
Pietrain (P) | |
Duroc (D) | |
Hampshire (H) | |
Miesham (M) | |
5. Biosecurity | Possible route of disease introduction through people: |
Number of people working on the farm | |
Average number of visitors/month | |
Number of days pig free | |
Use of protective clothes (yes/no) | |
Use of boot dips (yes/no) | |
Presence of fences around the farm (yes/no) | |
Allowed parking on the farm (yes/no) | |
Possible route of disease introduction through animals: | |
Purchase of boars (yes/no) | |
Purchase of gilts (yes/no) | |
Purchase of semen (yes/no) | |
 | Disposal of dead pigs (collection/incineration/other) |