Table 1.
The pathogenicity of NDV JSD0812 strain in different duck breeds
| Breeds | Age (days) | Inoculation route 1 | Inoculation dose | Morbidity (%) (no. diseased/no. inoculated) | Mortality (%) (no. died/no. inoculated) |
|---|---|---|---|---|---|
| Mallard duck |
15 |
IM |
5 × 108ELD50 |
100 (10/10) |
100 (10/10) |
| Gaoyou duck |
15 |
IM |
5 × 108ELD50 |
100 (10/10) |
60 (6/10) |
| Shaoxing duck |
15 |
IM |
5 × 108ELD50 |
100 (10/10) |
50 (5/10) |
| Shanma duck |
15 |
IM |
5 × 108ELD50 |
100 (10/10) |
10 (1/10) |
| Jinding duck |
15 |
IM |
5 × 108ELD50 |
100 (10/10) |
30 (3/10) |
| Pekin duck |
15 |
IM |
5 × 108ELD50 |
60 (6/10) |
10 (1/10) |
| Gaoyou duck | 15 | IM | Sterilized saline solution | 0 (0/10) | 0 (0/10) |
1IM: inoculated intramuscularly.