Table 2 Vaccination and challenge strategies
Group | Number | Vaccination (0 dpv) | Challenge (42 dpv) | Dose |
|---|---|---|---|---|
A (NC-HP) | 5 | DMEM | HP-PRRSV | 4 × 105TCID50 |
B (NC-DC30) | 5 | DMEM | NADC30-like PRRSV | |
C (5U2-HP) | 5 | rGD-SX-5U2 | HP-PRRSV | |
D (5U2-DC30) | 5 | rGD-SX-5U2 | NADC30-like PRRSV | |
E (NC) | 3 | DMEM | DMEM |