Fig. 2

Histological and morphometrical analyses of pig small intestine. a HE-stained sections of the duodenum, jejunum and ileum. b–d Villus height and crypt depth for the small intestine. e Area measurements for PPs in ileum. Scale bars: 50 μm. Differences were considered significant at (*) 0.01 < p < 0.05, (**) p < 0.01