Table 1. Gross pathological changes in organs collected from infected chickens.
dpi | Hypertrophy and palness of liver | Swollen kidney | Swollen spleen |
---|---|---|---|
3 | 0/5a | 0/5 | 0/5 |
4b | 1/1 | 0/1 | 0/1 |
6 | 5/5 | 5/5 | 5/5 |
9 | 5/5 | 4/5 | 4/5 |
13 | 5/5 | 2/5 | 2/5 |
16 | 5/5 | 0/5 | 0/5 |
20 | 4/5 | 0/5 | 0/5 |
23 | 5/5 | 0/5 | 0/5 |
28 | 4/4 | 0/4 | 0/4 |
a No. birds positive/no. birds examined.
bOne chicken necropsied at 4 dpi was found dead.