Table 3.
Immunohistochemical staining for PCV2 antigen in cryostat sections obtained from liver, spleen and lymph nodes (Ly node) of pigs experimentally infected with PCV2-1010 and PPV (no. 3) or S-PCV2 and PPV in Sweden (no. 4) or Denmark (no. 5)
| Pig | Liver | Spleen | Ly node |
|---|---|---|---|
| PCV2-1010 + PPV (no. 3 Swe) | |||
| A7 | +++ | + | ++++ |
| B1 | + | − | + |
| B6 | + | +/− | ++ |
| B11 | ++ | ++ | +++ |
| B14 | + | +/− | ++ |
| C1 | + | − | + |
| D1 | + | ++ | +++ |
| D2 | +++ | ++++ | +++ |
| D8 | +++ | ++++ | ++++ |
| E5 | + | + | ++ |
| S-PCV2 + PPV (no. 4 Swe) | |||
| A3 | +++ | ++ | +++ |
| B7 | + | ++ | +++ |
| B8 | ++ | ++ | +++ |
| C3 | + | − | + |
| D3 | + | +++ | ++ |
| D9 | +++ | +++ | +++ |
| E3 | ++ | +++ | +++ |
| S-PCV2 + PPV (no.5 Den) | |||
| 1 | + | ++ | ++ |
| 2 | + | ++ | ++++ |
| 3 | + | ++ | ++ |
| 4 | − | + | + |
| 5 | ++ | +++ | ++++ |
| 6 | ++ | ++++ | ++++ |
| 7 | ++ | ++++ | ++++ |
| 8 | + | ++ | +++ |
Amounts of PCV2 antigen were scored as not detectable (−), or minimal (+/−) to abundant (+++++).