Table 2.
Pathological lesions among the dead and euthanised morbid pigeons of differentially PPMV-1 virus-vaccinated groups post-challenge with the unvaccinated challenged group.
| Subgroups | Total No. | No. of Dead and Euthanised Morbid Pigeons |
Brain: Congested (C)/Haemorrhagic (H) |
Spleen: Enlarged (E)/Atrophied (A) |
Pancreas: Haemorrhages (H)/Necrosis (N) |
Heart: Haemorrhages |
Oesophagus to Proventriculus: Haemorrhages |
Intestines: Enteritis with Greenish Content |
Kidneys: Nephritis (Ni)/Nephrosis (No) |
Thymus: Atrophy | Bursa of Fabricius: Atrophy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| G1b | 8 | 5 | 4 C | 3 | 3 (1 H, 2 N) |
0 | 1 | 3 | 3 (1 Ni, 2 No) |
3 | 3 |
| G2b | 8 | 1 | 0 | 0 | 1N | 0 | 0 | 1 | 0 | 0 | 0 |
| G3b | 8 | 1 | 1 C | 0 | 1 N | 0 | 0 | 0 | 1 No | 0 | 0 |
| G4b | 8 | 8 | 8 C + H | 5 | 8 (6 H, 2 N) |
2 | 2 | 8 | 7 (2 Ni, 5 No) |
5 | 4 |
Subgroups G1b, G2b, and G3b were vaccinated with live NDV LaSota, inactivated PPMV, and dual LaSota and PPMV vaccines, respectively, and challenged with PPMV-1. However, G4b was kept unvaccinated/challenged.