Fig. 6.
Effect of fiber sources on ileal inflammatory cytokines and sIgA in weaned piglets: (A to E) Ileal levels of IL-1β, IL-6, IL-8, TNF-α and sIgA on d 28. CON, an antibiotic-free diet; WB, CON +6% wheat bran; SBP, CON +4% sugar beet pulp. IL = interleukin; TNF = tumor necrosis factor; sIgA = secretory immunoglobulin A. Data are presented as means ± SEM, n = 5. Statistical trend at 0.05 ≤ P < 0.1; ∗P < 0.05.