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Immune protection afforded by traditional vaccines against P. multocida serogroup B strain.
| Immunization Groups | Immune Dose (µL) | Challenge Strain | Challenge Dose (CFU) | No. of Mice | No. of Mice Survived | Protective Efficacy |
|---|---|---|---|---|---|---|
| Alh-C44-1 inactivated vaccine | 200 | C44-1 | 12 LD50 | 7 | 5 | 71% |
| EO630 live vaccine | 200 | C44-1 | 12 LD50 | 7 | 4 | 57% |
| Control | 200 | C44-1 | 12 LD50 | 7 | 0 | 0 |
