Table 2 Probability input parameters
From: Risk assessment as a tool for improving external biosecurity at farm level
BRSV | BCoV | SD | M. hyo | |
|---|---|---|---|---|
Contact | % | % | % | % |
Animal transport vehiclesa | 0-30-80 (Beta Pert) | 1-40-95 (Beta Pert) | 0-3-40 (Beta Pert) | 0-40 (uniform) |
Deadstock collectorsa | 0-3-80 (Beta Pert) | 0-5-95 (Beta Pert) | 0-0.1 (uniform) | 0-0.1 (uniform) |
Visitor (vet, AI technician)a | 0-40-80 (Beta Pert) | 1-50-95 (Beta Pert) | 0-0.1-5 (Beta Pert) | 0-0.01-1 (Beta Pert) |
Hoof trimmera | 0-40-80 (Beta Pert) | 1-80-95 (Beta Pert) | NAc | NA |
Biosecurity measure | ||||
3–4 weeks’ quarantineb | 0-50-99 (Beta Pert) | 0-20-99 (Beta Pert) | 20-50-50.1 (Beta Pert) | 70-89-90 (Beta Pert) |
Biosecurity lock for loading, ventilation off while truck outside | 50-90 (uniform) | 50-90 (uniform) | 100 | 80-90-99 (Beta Pert) |
Isolated area for carcasses | 99-99.5 (uniform) | 99-99.5 (uniform) | 100 | 100 |
Protective clothing provided for visitors | 50-80 (uniform) | 50-75 (uniform) | 90-99-100 (Beta Pert) | 95-100 (uniform) |
Farm provides hoof trimming crush | 50-80 (uniform) | 50-80 (uniform) | NA | NA |