Fig. 5

Gastrointestinal histological analysis of the weaned piglets. Histopathological micrograph of jejunum and colon under 10× magnification (a), gastrointestinal inflammation measured by the number of lymphocytes infiltrated at the epithelium (IEL) and stroma (SL) of jejunum (b) and colon (c), the numbers of lymphoid follicles per squared millimeter in jejunum and colon (d) and colon mucosa thickness (e). Respectively n = 9, 8, 10 for feeding regimens with 0%, 2.5% and 5% added lacto-fermented rapeseed-seaweed blend (FRS). The labels of *, **, *** represent P < 0.05, < 0.01, < 0.005 respectively