Table 1.
Results of efficacy test with numbers of sick and dead chickens and numbers of chickens positive in viral isolation performed in MDCK cells for three passages
Groups | No. sick | No. dead | Oropharyngeal swab | Cloacal swab | Lung | Liver | Intestine | Spleen |
---|---|---|---|---|---|---|---|---|
Control | 0/12 | 0/12 | 0 | 0 | 0 | 0 | 0 | 0 |
Challenge | 12/12 | 12/12 | N/D | N/D | 12/12; P1 | 12/12; P1 | 12/12; P1 | 12/12; P1 |
Vaccination + challenge | 0/12 | 0/12 | 7/12; D3; P2 | 1/12; D3;P2 | 2/12; P2 | 0/12 | 0/12 | 0/12 |
Note: Nominator is the number of affected samples. Denominator is the number of tested samples. D represents days pi and P is passage of viruses in MDCK cells. N/D = not done.