Figure 4From: Substitution of dietary fish oil with plant oils is associated with shortened mid intestinal folds in Atlantic salmon (Salmo salar)Microphotographs showing measurements in sections of the mid (A) and distal (B) intestine. The lines indicate how the height and width of the folds and the thickness of the wall were measured. Hematoxylin and eosin. Scale bar 200 μm.Back to article page