| Groupa |
Body temperature (℃) / Cases of bacteremia b (%) |
| Day 0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
| Vaccination c |
0/0 |
0/0 |
0/33 |
0/0 |
0/0 |
0/0 |
0/0 |
0/0 |
| Control |
0/0 |
33 d/100 |
33 e/100 |
0/0 f |
0/0 |
0/0 |
0/0 |
0/0 |
aVaccination: S. suis 2 + rSao, Control: sterile saline.
bThe body temperature and bacteremia of piglets were monitored daily for 7 days after challenge.
cDifferences between groups were analyzed by Student’s t-test P=0.0584. dTemperature>40°C,
e Temperature≥41℃.
fOne death occurred on the third day after challenge .The presence of S. suis serotype
1 bacteria was confirmed by bacteriology and multiplex PCR. |
|
