Table 2.
Summary of histological lesions determined in various organs
| Organ | Lesion | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| Mock (n = 6) | PPV (n = 7) | PCV2-1010 + PPV (n = 10) | S-PCV2 + PPV Swe (n = 7) | S-PCV2 + PPV Den (n = 8) | ||
| Liver | Atrophy | – | – | 30/+++ | 57/+++ | 13/+++ |
| Non suppurative hepatitis | – | 29/+ | 100/++ | 100/++ | 75/++ | |
| Spleen | Depletion | 17/+ | 14/+ | 100/++ | 60/++ | 63/+ |
| Heart | Non suppurative myocarditis | 33/+ | 86/+ | 100/++ | 83/+ | 50/+ |
| Lung | Peribronchiolitis | 33/+ | 29/++ | 100/++ | 57/++ | 38/+ |
| Interstitial pneumonia | – | – | 10/++ | – | 38/++ | |
| Kidney | Non suppurative pyelitis | – | – | 30/++ | – | – |
| Non suppurative interstitial pyelitis | 17/+ | 86/++ | 60/++ | 100/++ | 75/+++ | |
| Lymph node | Depletion | 17/+ | – | 100/++ | 100/++ | 50/++ |
| Hyperplasia | – | – | – | – | 50/+ | |
| Intestine | Depletion Peyer's patches | 17/+ | 14/+ | 40/+ | 71/+ | 100/++ |
| Thymus | Depletion | NT | NT | NT | NT | 63/++ |
The results are given as percent of affected pigs of those tested in the group for each lesion and average severity of lesions in affected pigs scored as (+) mild, (++) moderate or (+++) severe; NT = not tested.