Fig. 3

The concentration of cytokine (a) IFN-γ (b) IL-4 (c) IL-6 (d) IL-12 (e) IL-8 (f) TNF-α in piglets from sows with or without (n = 5 each) prepartum immunization with inactivated S. suis 2 + rSao. Data are represented as Mean ± SEM of the serum concentration of each cytokines determined by MILLPLEX® MAP Kit. Differences between groups were analyzed by Student’s t-test, statistically significant difference (P < 0.05) in comparison to the control group