The highest titers of antibody were elicited by WCB group to mice in 14 days, while turned to OMP+ LPS group in 28 days, and the protective rate was: OMP+LPS>WCB>OMP>OMP+FCA.

• 免疫小鼠抗体滴度14 d时,以全菌组最高,而在28 d时以OMP+LPS组最高。 保护率分别是:OMP+沙门氏菌LPS>全菌组>OMP>OMP+FCA。