MOESM2 of Oral vitamin A supplementation of porcine epidemic diarrhea virus infected gilts enhances IgA and lactogenic immune protection of nursing piglets

Additional file 2. Circulating levels of (A) PEDV IgG antibody secreting cells (ASCs), (B) PEDV IgG antibodies (Abs), (C) PEDV virus neutralizing (VN) Abs, (D) CD4+ T cells and (E) CD8+ T cells in mock, mock + VA, PEDV and PEDV + VA gilts at post-infection day (PID) 0, 6–8 and 13–17. Asterisks indicate significant differences among treatment groups at the same time point (mean ± SEM). Statistical analysis was performed using the two-way ANOVA with repeated measures and Bonferroni’s correction for multiple comparisons. *P < 0.05 **P < 0.01 ***P < 0.001.