Risk factor | Affected farms | Negative controls |
---|---|---|
Biosecurity status | 1.7a | 2.5a |
Sanitation and disinfection status | 2.6a | 2.5a |
Vaccination with NDv | 100 %a | 100 %a |
Vaccination with IBv | 100 %a | 100 %a |
Vaccination with IBDv | 91.7 %a | 91.7 %a |
Vaccination with MDv | 8.3 %a | 0 %b |
Vaccination with SHSv | 8.3 %a | 0 %b |