Table 1 The pathogenicity of NDV JSD0812 strain in different duck breeds
From: Experimental infection of duck origin virulent Newcastle disease virus strain in ducks
Breeds | Age (days) | Inoculation route1 | 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) |