Fig. 2

Intestinal morphology of growing pigs fed the control diet or diets with 2.5% or 5% Flammulina velutipes stem waste (FVS) inclusion. a Representative duodenum morphology of growing pigs fed the control diet. b Representative duodenum morphology of growing pigs fed diet supplied with 2.5% FVS. c Representative duodenum morphology of growing pigs fed diet supplied with 5% FVS. d Representative jejunum morphology of growing pigs fed the control diet. e Representative jejunum morphology of growing pigs fed diet supplied with 2.5% FVS. f Representative jejunum morphology of growing pigs fed diet supplied with 5% FVS. g Representative ileum morphology of growing pigs fed the control diet. h Representative ileum morphology of growing pigs fed diet supplied with 2.5% FVS. i Representative ileum morphology of growing pigs fed diet supplied with 5% FVS. T1-T12 represents the villus height or crypt depth measured