TABLE 1.
Study design summary
| Group | No. of animals | Vaccinationa | ELISA status, day 0 (S/P ratio)b | Challengec | ELISA status, day 28 (S/P ratio)b |
|---|---|---|---|---|---|
| VAC-NEG | 9 | Yes | Negative (9/9) | Yes | Positive (6/9) |
| VAC-POS | 21 | Yes | Positive (21/21) | Yes | Positive (17/21) |
| NVAC-CNEG | 15 | No | Positive (12/15) | Yes | Negative (15/15) |
| NVAC-CPOS | 15 | No | Positive (15/15) | Yes | Positive (15/15) |
a
Animals were vaccinated on trial day zero with Suvaxyn PCV2 One Dose (Fort Dodge Animal Health, Inc., Fort Dodge, IA).
b
An S/P ratio of less then 0.3 was considered negative; pigs with an S/P ratio of ≥0.3 were considered positive.
c
Inoculation with PCV2 on trial day 28.