Fig. 4

Antigenic characterizations of rF5P using swine clinical positive sera (a), anti-PCV2 mAbs 6A4 (b) and anti-His mAbs (c) by ELISA, and the results are expressed as mean OD value ± SEM, the statistical significance differences between each group was analyzed by two-way ANOVA statistical analysis, *P < 0.05, **P < 0.01, ***P < 0.001, ns represented not significant