Table 1.
Ingredient composition of the experimental diets used in the feeding trial.
| Control diet | Ulva diet | |
|---|---|---|
| Ingredients (g kg-1 DM) | ||
| Fishmeal LT1 | 674 | 660 |
| Ulva meal | 50 | |
| Squid meal2 | 50 | 50 |
| Fish protein hydrolysate3 | 50 | 50 |
| Krill meal2 | 10 | 10 |
| Shrimp meal2 | 10 | 10 |
| Gluten meal2 | 20 | 20 |
| Soybean protein concentrate4 | 20 | 20 |
| Fish oil | 29 | 28 |
| Soybean lecithin | 20 | 20 |
| Maltodextrin | 46 | 11 |
| Choline chloride5 | 10 | 10 |
| Vitamin and mineral premix6 | 20 | 30 |
| Guan gum2 | 15 | 15 |
| Alginate2 | 15 | 15 |
1(69.4% crude protein, 12.3% crude lipid), Norsildmel (Bergen, Norway); 2Local provider (Lifebioencapsulation SL, Almería, Spain); 3(81% crude protein, 8.8% crude lipid) Sopropeche (France); 4(65% crude protein, 8% crude lipid) DSM (France); 5Sigma-Aldrich (Madrid, Spain); 6Mineral and vitamin premix according to Vizcaíno et al. (2018). Proximate composition of control diet: 55.2% crude protein, 12.4% crude lipid, 3.0% fiber, 12.8% ash), and Ulva diet: 55.0% crude protein, 12.0% crude lipid, 3.3% fiber, 13.1% ash.