Table 2.
Results of histopathological evaluation of lung samples.
| Inoculum | Pig | Necropsy on DPI | Interstitial pneumonia | Eosinophil infiltration | Hyperplasia of lymphoid follicles | Total lesion score |
|---|---|---|---|---|---|---|
| 18794 | 1 | 24 | 1 | 1 | 0 | 2 |
| 2 | 24 | 1 | 1 | 0 | 2 | |
| 3 | 24 | 2 | 1 | 0 | 3 | |
| 4 | 24 | 2 | 2 | 1 | 5 | |
| 5 | 24 | 2 | 2 | 3 | 7 | |
| 6 | 24 | 2 | 2 | 1 | 5 | |
| 7 | 17 | 2 | 1 | 1 | 4 | |
| ILI6 | 8 | 23 | 1 | 1 | 0 | 2 |
| 9 | 23 | 3 | 2 | 1 | 6 | |
| 10 | 23 | 2 | 2 | 1 | 5 | |
| 11 | 23 | 2 | 1 | 1 | 4 | |
| 12 | 23 | 1 | 2 | 1 | 4 | |
| 13 | 23 | 2 | 2 | 0 | 4 | |
| 14 | 17 | 2 | 3 | 2 | 7 | |
| BOR59 | 15 | 22 | 1 | 1 | 0 | 2 |
| 16 | 22 | 1 | 2 | 0 | 3 | |
| 17 | 22 | 1 | 2 | 1 | 4 | |
| 18 | 22 | 2 | 3 | 2 | 7 | |
| 19 | 22 | 3 | 2 | 3 | 8 | |
| 20 | 17 | 3 | 3 | 3 | 9 | |
| 21 | 17 | 3 | 3 | 3 | 9 | |
| Control | 23 | 22 | 1 | 0 | 0 | 1 |
| 24 | Not analysed | |||||
| 25 | 23 | 0 | 0 | 0 | 0 | |
| 26 | 24 | 1 | 1 | 0 | 2 | |
| 27 | 24 | 1 | 2 | 1 | 4 | |
| 28 | 17 | 2 | 1 | 2 | 5 | |