Group | Samples | 20 weeks | 31 weeks |
---|
Control | 1 | <16 | <16 |
2 | <16 | <16 |
3 | <16 | <16 |
4 | <16 | <16 |
5 | <16 | <16 |
6 | <16 | <16 |
7 | <16 | <16 |
Germanium biotite | 1 | <16 | 16 |
2 | 16 | <16 |
3 | 16 | 32 |
4 | 16 | 26 |
5 | 16 | <16 |
6 | 16 | <16 |
7 | <16 | 26 |
8 | <16 | 32 |
- The selected sera were taken from the same cattle in each collection date. All cattle were 6-month-old when the first vaccination was conducted. The sera selected from the germanium biotite group show a higher virus neutralization antibody titer than the control group.