3.3. Mucosaimmunoglobulinandcytokineanalyses
It was observed that an interaction between dietary SIDT and E. coli challenge on the levels of mucosa IgA (Table 4, Fig. 1B). However, neither the dietary SIDT level nor E. coli challenge had an effect on the concentration of mucosa IgA. The jejunal mucosa IgA concentration of piglets after E. coli challenge increased significantly (P