TABLE 3.
Pathological scoring of disease at 6 dpi in chickens infected with 2005/Nevada
| Organa | Score at 6 dpia |
|---|---|
| Eyelid | + |
| Spleen | + |
| Thymus | − |
| Bursa | − |
| Harderian Gland | − |
| Proventriculus | − |
| Small intestine | − |
| Cecal tonsils | + |
| Large intestine | − |
| Pancreas | − |
| Air sacs | − |
| Trachea | − |
| Lung | − |
| Heart | + |
| Esophagus | − |
| Tongue | − |
| Pharynx | − |
| Crop | − |
| Brain | +++ |
| Liver | − |
| Kidney | − |
| Comb | − |
| Femur | − |
| Turbinates | − |
a
The results are based on hematoxylin-eosin staining, For the spleen, + is moderate hyperplasia; for the cecal tonsil, + is mild lymphocytic depletion; for the brain, +++ is vascular reactivity, perivascular cuffing, and gliosis.