Table 1 Numbers of immunohistochemically detected schizonts and tissue cysts in five consecutive transversal section of brains of pigeons during first (group A) and second, central nervous phase of disease (group B)
Group | Pigeon ID no. | Dose of administered sporocysts | Post mortem (dpi) | Occurrence of central nervous signs (dpi) | Encephalitis | No. of | |
|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | schizonts | tissue cysts |
A | 2 | 3 × 106 | 7 | / | / | 1 | 0 |
3 | 3 × 106 | 7 | / | / | 1 | 0 | |
4 | 3 × 105 | 9 | / | / | 0 | 0 | |
5 | 3 × 105 | 9 | / | / | 0 | 0 | |
6 | 105 | 8 | / | / | 0 | 0 | |
7 | 105 | 12 | / | / | 3 | 0 | |
8 | 8 × 104 | 9 | / | / | 1 | 0 | |
9 | 8 × 104 | 10 | / | / | 0 | 0 | |
B | 10 | 104 | 51 | 51 | +++ | 0 | 8 |
11 | 104 | 53 | 52 | +++ | 0 | 2 | |
12 | 103 | 58 | 57 | +++ | 0 | 0 | |
14 | 102 | 65 | 64 | +++ | 0 | 0 | |
15 | 102 | 58 | 57 | +++ | 0 | 0 | |
L60 | 103 | 53 | 52 | +++ | 0 | 4 | |
| Â | L74 | 103 | 59 | 58 | +++ | 0 | 0 |