Fig. 1

Effect of SL supplementation on serum concentrations of inflammatory cytokines and immunoglobulins. TNF-α, tumor necrosis factor-α; IL-1β, interleukin1-β; IL-6, interleukin-6; IgA, immunoglobulins A; IgG, immunoglobulins G; IgM, immunoglobulins M. a, b, c mean values within a row with unlike superscript letters were significantly different (P < 0.05). CON, pigs were fed with a basal diet; CSL, pigs were fed with a SL containing diet, 5 g/kg; ECON, pigs were fed with a basal diet and challenged by ETEC; ESL, pigs were fed with a SL containing diet and challenged by ETEC