Research Article

Optimization of the Balance between Protein, Lipid and Carbohydrate in Diets for Lumpfish (Cyclopterus lumpus)

Figure 2

Method for measurement of gastric pH; (a) Lumpfish. (b) Gastrointestinal tract from fish of different sizes. (c) Colorimetric measurement with pH paper. (d) Gastric pH in lumpfish larvae from the first feeding until >10 g.