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. 2023 Mar 9;14:1142915. doi: 10.3389/fimmu.2023.1142915

Figure 4.

Figure 4

Effects of dietary supplementation of coated sodium butyrate (CSB) on the expression of immune-related genes in the spleen and the ileal tight junction protein gene of laying ducks. (A) Interferon-γ (IFN-γ). (B) Interleukin-1β (IL-1β). (C) Interleukin-6 (IL-6). (D) Tumor necrosis factor alpha (TNF-α). (E) Claudin-1. (F) Occludin. (G) ZO-1. Values are presented as means ± SEM (n = 6). *p<0.05. group C, Control group, which was fed a basal diet; CSB group, CSB-treated group, which was fed the basal diet supplemented with 250 g/t of CSB.