IL1B and infection: In the absence of maltol, infection (NC group) with E. maxima increased (P < 0.05) the gene expression of TNFSF15 (3.4 × 10−3-2.3 × 10−2), IL-1β (1.9 × 10−3-4.9 × 10−3), and IL-6 (3.0 × 10−3-9.9 × 10−3) in the distal jejunum compared to that of the CON group (Figure 8).