Figure 2

Example images of gut histology from fish fed four different treatment diets; (a.) FM, (b.) PL, (c.) PHP, and (d.) SPH. Blackline above each image represents scalebar = 200 µm. I.D. = intestine diameter, L.D. = lumen diameter, I.W.W. = intestinal wall width, V.H. = villi height, V.W. = villi width.