Table 1.
Composition and nutritional contents of the experimental diet for rainbow trout in experiment 2
| Ingredients (g/kg feed) | FM | SBM | Glu 1 % | Glu 2 % |
|---|---|---|---|---|
| Fish meal | 480 | 0 | 0 | 0 |
| Soybean meal | 40 | 497 | 497 | 497 |
| Corn gluten meal | 20 | 171.1 | 171.1 | 171.1 |
| Wheat flour | 180 | 60 | 60 | 60 |
| Gelatin | 0 | 20 | 10 | 0 |
| Fish oil | 55.4 | 100.1 | 100.2 | 100.4 |
| Soybean oil | 28.3 | 20.4 | 20.8 | 21.1 |
| α-Starch | 60 | 28 | 28 | 28 |
| Methionine | 0 | 4.2 | 4.3 | 4.4 |
| Lysine-HCl | 0 | 12.2 | 12.7 | 13.3 |
| Glutamate | 0 | 0 | 10 | 20 |
| Betaine | 0 | 5 | 5 | 5 |
| Vitamin mix | 5 | 5 | 5 | 5 |
| Choline chloride | 2.5 | 2.5 | 2.5 | 2.5 |
| Mineral mix | 30 | 50 | 50 | 50 |
| Cellulose | 98.8 | 24.5 | 23.4 | 22.2 |
| Total | 1000 | 1000 | 1000 | 1000 |
| Analytical contents (wet basis, %) | ||||
| Aspartic acid + asparagine | 3.61 | 3.45 | 3.39 | 3.35 |
| Threonine | 1.67 | 1.37 | 1.32 | 1.32 |
| Serine | 1.68 | 1.93 | 1.85 | 1.83 |
| Glutamic acid + glutamine | 5.90 | 7.17 | 8.10 | 8.94 |
| Glycine | 2.34 | 1.84 | 1.59 | 1.34 |
| Alanine | 2.46 | 2.19 | 2.08 | 2.04 |
| Valine | 1.91 | 1.61 | 1.62 | 1.61 |
| Isoleucine | 1.63 | 1.50 | 1.53 | 1.51 |
| Leucine | 3.07 | 3.72 | 3.67 | 3.68 |
| Tyrosine | 1.31 | 1.49 | 1.47 | 1.49 |
| Phenylalanine | 1.66 | 1.95 | 1.95 | 1.92 |
| Histidine | 1.53 | 0.90 | 0.87 | 0.86 |
| Lysine | 2.86 | 2.65 | 2.68 | 2.67 |
| Arginine | 2.39 | 2.25 | 2.16 | 2.10 |
| Proline | 1.87 | 2.55 | 2.38 | 2.23 |
| Cystine | 0.40 | 0.54 | 0.53 | 0.55 |
| Methionine | 1.04 | 1.03 | 1.04 | 1.05 |
| Tryptophan | 0.477 | 0.378 | 0.385 | 0.381 |
| Crude protein (%) | 41.7 | 39.0 | 39.0 | 38.3 |
| Moisture (%) | 6.5 | 8.8 | 7.8 | 8.6 |