Table 4.
Immunohistochemical scoring of bursal sections in different groups of WLH and Aseel birds at different intervals of time.
| White Leghorn | Aseel | |||||
|---|---|---|---|---|---|---|
| Group | VWG | NWG | CWG | VAG | NAG | CAG |
| 1 dpi | + | ++ | - | - | ++ | - |
| 2 dpi | +++ | +++ | - | + | +++ | - |
| 3 dpi | +++ | +++ | - | + | +++ | - |
| 4 dpi | +++ | +++ | - | ++ | +++ | - |
| 5 dpi | +++ | +++ | - | ++ | +++ | - |
Score/ Grade: - for no staining, + for minimal staining (<10% of cells present), ++ for moderate staining (>10% and <30% of cells present), +++ for intense staining (>30% of cells present); NWG: Nonvaccinated challenged WLH group; VWG: Vaccinated challenged WLH group; CWG: WLH control group; NAG: Nonvaccinated challenged Aseel group; VAG: Vaccinated challenged Aseel group; CAG: Aseel controls group.