(A) Gating strategy for identification of key leukocyte populations as indicated. (B-I) Total cell counts per small intestine for macrophages (B), dendritic cells (DCs) (C), natural killer (NK) cells (D), neutrophils (E), B cells (F), CD3+ T cells (G), CD4+ T cells (H) and CD8+ T cells (I). Data are presented as mean ± SEM, ns = non significant.