Table 4.
Average immunohistochemical scores in various intestinal tissues from PDCoV-inoculated and negative-control piglets at 4, 7 and 27 days post-infection.
| Group | Days post-inoculation | IHC positive piglets (average IHC scores) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Duodenum | Proximal jejunum | Middle jejunum | Distal jejunum | Ileum | Cecum | Colon | Rectum | ||
| PDCoV-inoculated | 4 DPI | 0/3 | 2/3 (0.7) | 3/3 (3.0) | 3/3 (1.7) | 3/3 (1.7) | 3/3 (1.3) | 3/3 (1.0) | 0/3 |
| 7 DPI | 0/3 | 0/3 | 0/3 | 1/3 (1.0) | 1/3 (0.3) | 2/3 (0.7) | 3/3 (1.0) | 1/3 (0.3) | |
| 27 DPI | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | 0/2 | |
| Negative control | 4 DPI | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 |
| 7 DPI | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | |
| 27 DPI | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | 0/1 | |