Table 2.
Piglet serum antibody levels by group and day post inoculation (DPI).
| Assay | Group | DPI 0 | No. of piglets | DPI 12 or 14a | No. of piglets |
|---|---|---|---|---|---|
| FFN antibody titer arithmetic mean (SE) | 1 | <1:8 (0) | 11 | 1:16 | 1 |
| 2 | 1:39 (1.1) | 91 | 1:13 (1.1) | 78 | |
| 3 | <1:8 (0) | 22 | <1:8 (0) | 22 | |
| PEDV IgA ELISA least square mean S/P (SE) | 1 | 0.6 (0.1) | 11 | 1.7 | 1 |
| 2 | 2.5 (0.06) | 91 | 1.9 (0.07) | 78 | |
| 3 | 0.6 (0.01) | 22 | 0.3 (0.009) | 22 | |
| PEDV IgG ELISA least square mean S/P (SE) | 1 | 0.2 (0.05) | 11 | 2.1 | 1 |
| 2 | 5.4 (0.06) | 91 | 2.1 (0.1) | 78 | |
| 3 | 0.3 (0.01) | 22 | 0.02 (0.004) | 22 | |
a
Observation period ended on DPI 12 for Groups 1 and 3 and DPI 14 for Group 2.