Table 3.
Faecal IgA production before and after vaccination with the avirulent B. hyodysenteriae strain D28
| Days post vaccination | Whole cell ELISA, D28 coated | Whole cell ELISA, B204 coated | ||
|---|---|---|---|---|
| Vaccinated animals | Non-vaccinated animals | Vaccinated animals | Non-vaccinated animals | |
| Day −13 | 0.12 ± 0.14 | 0.12 ± 0.28 | 0.11 ± 0.13 | 0.14 ± 0.41 |
| Day 3 | 0.08 ± 0.04 | NA | 0.07 ± 0.03 | NA |
| Day 5 | 0.15 ± 0.28 | NA | 0.11 ± 0.13 | NA |
| Day 7 | 0.14 ± 0.15 | NA | 0.09 ± 0.06 | NA |
| Day 10 | 0.34 ± 0.70 | NA | 0.13 ± 0.18 | NA |
| Day 12 | 0.39 ± 0.55 | NA | 0.12 ± 0.09 | NA |
| Day 14 | 0.66 ± 0.99 | NA | 0.25 ± 0.47 | NA |
| Day 17 | 0.62 ± 0.96 | 0.11 ± 0.06 | 0.18 ± 0.21 | 0.10 ± 0.06 |
The reaction of IgA with both the vaccination strain (D28) and the challenge strain (B204) are shown and presented as OD450 values with standard deviation.
NA: not applicable.