Groupa
| Total Score | Reduced Percentage | The Score of Gross Lesionsb
|
---|
Brain | Serosa | Joint | Spleen | Liver | Lung |
---|
Vaccination | 7 | 75%c
| 1 (1/3) | 0 (0/3) | 3 (1/3) | 0 (0/3) | 0 (0/3) | 3 (1/3) |
Controld
| 27 |
-
| 1 (1/3) | 7 (3/3) | 7 (3/3) | 1 (1/3) | 4 (2/3) | 7 (3/3) |
-
aVaccination: S. suis2 + rSao, Control: sterile saline
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bNo lesion = 0, lesion area <33% = 1, lesion area 33–66% = 3, lesion area >66% = 5
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cDifferences between groups were analyzed by Student’s t-test P < 0.05
-
dThe number of piglets in a group that was confirmed to have the presence of S
-
suis serotype 1 bacteria