PRRS virus isolate | Trial # | Number of animals | Number of sires | Number of dams | Breed cross | Genetic backgrounda |
---|---|---|---|---|---|---|
NVSL-97-7895 | 1–3 | 507 | 32 | 203 | LW × LR | A |
 | 4 | 191 | 6 | 33 | Duroc × LW/LR | B |
 | 5 | 182 | 10 | 38 | Duroc × LR/LW | C |
 | 6 | 109 | 26 | 53 | LR × LR | D |
 | 7 | 186 | 6 | 27 | Pietrain × LW/LR | E |
 | 8 | 158 | 15 | 43 | Duroc × LW/LR | F |
 | 15 | 166 | 11 | 49 | Pietrain × LW | G |
KS-2006-72109 | 10 | 184 | 8 | 57 | Pietrain × LW | G |
 | 11 | 177 | 37 | 89 | LW × LR | A |
 | 12 | 146 | 14 | 49 | LR × LW | H |
 | 13b | 173 | 20 | 37 | Duroc × LW/LR | F |
 | 14 | 165 | 8 | 24 | Duroc × LR/LW | C |