Fig. 5

Histological pictures of ileal (a, c, e) and jejunal (b, d, f) samples stained with (a, b) periodic-acid Schiff (20× magnification), (c, d) Alcian Blue pH 2.5 (20× magnification) and (e, f) high iron diamine (20× magnification) from the piglets of the present study. Ileal samples show higher mucin staining intensity than the jejunal ones