Table 4. Mean BEF antibody neutralizing indices in calves vaccinated with different formula of the prepared freeze-dried combined RVF and BEF vaccine.
| Time of Sampling | Mean BEF antibody neutralizing indices in vaccinated calves’ groups | ||||||
|---|---|---|---|---|---|---|---|
| Group 1 | Group 2 | Group 3 | Group 4 | ||||
| Boostered | Non Boostered | Boostered | Non Boostered | Boostered | Non Boostered | Non vaccinated | |
| Pre | 0.34 | 0.30 | 0.36 | 0.38 | 0.28 | 0.26 | 0.30 |
| 2 WPV* | 1.1 | 0.9 | 2.15 | 1.2 | 1.3 | 1.2 | 0.44 |
| 1st MPV** | 1.3 | 1.2 | 1.6 | 1.3 | 1.5 | 1.5 | 0.34 |
| 2nd MPV | 2.3 | 1.7 | 2.8 | 2.1 | 2.7 | 2.2 | 0.36 |
| 3rd MPV | 2.5 | 1.7 | 3.0 | 2.3 | 2.9 | 2.5 | 0.52 |
| 4th MPV | 2.4 | 1.5 | 3.1 | 2.4 | 3.0 | 2.5 | 0.6 |
| 5th MPV | 2.4 | 1.2 | 3.1 | 2.5 | 3.1 | 2.6 | 0.46 |
| 6th MPV | 2.1 | 1.0 | 3.0 | 2.5 | 2.9 | 2.4 | 0.22 |
| 7th MPV | 1.8 | 0.9 | 2.8 | 2. | 2.7 | 2.4 | 0.22 |
| 8th MPV | 1.8 | 0.9 | 2.6 | 2.4 | 2.5 | 2.1 | 0.24 |
| 9th MPV | 1.6 | 0.3 | 2.4 | 2.1 | 2.2 | 2 | 0.46 |
| 10th MPV | 1.5 | 0.3 | 2.1 | 1.7 | 1.9 | 1.8 | |
(*WPV): week post vaccination; (**MPV): month post vaccination; (Group 1): vaccinated with formula (1); (Group 2): vaccinated with formula (2); (Group 3): vaccinated with formula (3); (Group 4): non vaccinated control.