Fig. 6From: Modulation of intestinal microbiota, morphology and mucin composition by dietary insect meal inclusion in free-range chickensHistological pictures of (a) duodenal crypts stained with periodic-acid Schiff (40× magnification), (b) jejunal crypts stained with Alcian Blue pH 2.5 (40× magnification) and (c) ileal crypts stained with high iron diamine (40× magnification). Crypt bases (arrowheads) show higher mucin staining intensity than midsection and tip fragmentsBack to article page