Table 1 Protection of vaccinated poultry birds against highly pathogenic AIV H7N3 strain
Groups | Antisera against viral protein(s) | Post-challenge mortality at different days | Post-challenge morbidity at different days | Post-challenge cloacal shedding at different days | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | 2 | 4 | 7 | 14 | 2 | 4 | 7 | 14 | 2 | 4 | 7 | 14 |
1 | Viral polymerase | 7/10 | 10/10 | -- | -- | 3/10 | -- | -- | -- | 3/10 | -- | -- | -- |
2 | Hemagglutinin | 0/10 | 0/10 | 0/10 | 0/10 | 4/10 | 8/10 | 8/10 | 0/10 | 10/10 | 10/10 | 8/10 | 2/10 |
3 | Nucleoprotein | 0/10 | 0/10 | 0/10 | 0/10 | 2/10 | 6/10 | 5/10 | 0/10 | 6/10 | 6/10 | 5/10 | 0/10 |
4 | Neuraminidase | 0/10 | 0/10 | 0/10 | 0/10 | 9/10 | 10/10 | 8/10 | 0/10 | 10/10 | 10/10 | 8/10 | 3/10 |
5 | Non-structural protiens | 7/10 | 10/10 | -- | -- | 3/10 | -- | -- | -- | 3/10 | -- | -- | -- |
6 | Viral polypeptides mixed | 0/10 | 2/10 | 0/8 | 0/8 | 10/10 | 8/8 | 7/8 | 0/8 | 10/10 | 8/8 | 7/8 | 2/8 |
7 | Normal saline | 8/10 | 10/10 | -- | -- | 2/10 | -- | -- | -- | 2/10 | -- | -- | -- |