Table 1 Characteristics of pig farms selected for the study
Farm | Genetic Line | Vaccination | PRRS status at the time of sampling | PRRSV outbreaks during 12 months before sampling |
|---|---|---|---|---|
A | Iberian | None | Positive stable | No outbreak |
B | UPB Genetic World | Vac-1a | Positive unstable | Outbreak |
C | UPB Genetic World | Vac-3b | Positive unstable | No outbreak |
D | TOPIGS NORSVIN | Vac-3 | Positive stable | No outbreak |
E | TOPIGS NORSVIN | Vac-3 | Postive stable | No outbreak |
F | PIC | Vac-1 | Positive stable | No outbreak |
G | JSR Genetics | Vac-3 | Positive stable | Outbreak |
H | DanBred | Vac-1 | Positive stable | Outbreak |
I | DanBred | Vac-1 | Positive unstable | Outbreak |
J | PIC | Vac-1 | Positive unstable | Outbreak |
K | Iberian | None | Positive stable | No outbreak |