Groupsa | Challengeb |
---|
Mortalityc | Liverd | Spleend |
---|
PBS | 8/10 | 2/2* | 2/2* |
JOL2068 | 1/10 | 3/9 | 2/9 |
JOL2077 | 1/10 | 5/9 | 1/9 |
- a7 day old chickens (n = 10) were orally immunized with PBS, JOL2068 or JOL2077.
- bChallenge was performed with a lethal wild-type SG strain (1.6 × 106 CFU) after 28 days post-vaccination.
- cNumber of dead birds upon challenge.
- dNumber of birds positive for SG. *p < 0.05.