Fig. 2From: N-terminus of flagellin enhances vaccine efficacy against Actinobacillus pleuropneumoniaeAntigen-specific antibody response of immunized mice. Mice (n=5) were immunized twice with the five vaccine formulations. Serum antibody levels were analyzed by indirect ELISA. Data are presented as mean ± SEM and different superscript letters indicate significant differences (P < 0.05) between treatment groupsBack to article page