Table 2. Immunohistochemically determined PCV2-specific antigen content of pig organs.
| PCV2a/b+CsA (n=5) | |||||
|---|---|---|---|---|---|
| IHC from pig organs | PMWS (n=2) | ToPMWS (n=3) | PCV2a/b (n=9) | CysA (n=5) | Control (n=5) |
| Tonsil | +++++ | +++/++/++ | +**/+# | −−− | −−− |
| Thymus | ++++/++ | −−− | −−− | −−− | −−− |
| Lymph nodes | +++ | +++/++/+ | −−− | −−− | −−− |
| Ileum (Peyer's patches) | +++ | ++/+/+ | +* | −−− | −−− |
| Spleen | +++ | ++/+/+ | +* | −−− | −−− |
| Kidney | −−− | −−− | −−− | −−− | −−− |
| Lung | ++ | −−− | −−− | −−− | −−− |
| Heart | −−− | −−− | −−− | −−− | −−− |
| Liver | + | −−− | −−− | −−− | −−− |
| Intestinal (lamina propria) | ++/+++ | −−− | −−− | −−− | −−− |
+++++Very high PCV2-antigen concentrations.
++++high concentrations of PCV2-antigen.
+++moderately high concentrations of PCV2-antigen.
++moderate concentrations of PCV2-antigen.
+low concentrations of PCV2-antigen with only a few lymphatic cells stained.
**2 females, *1 female, #1 male and (n) number of pigs.