Table 2.
Sow serology at farrowing (ELISA and NA titers)
| Sow ID | ELISA S/P ratio | Inverse NA titer |
|---|---|---|
| 302 | 1.140 | < 2 |
| 517 | 1.222 | NT |
| 336 | 2.023 | 3 |
| 343 | 0.887 | 3 |
| 513 | 2.204 | 8 |
| 511 | 0.955 | 4 |
ELISA positive: S/P ratio ≥ 0.4; SNT positive ≥2; NT: not tested
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