Table 1.
Diet formulation and chemical compositions of the experimental diets.
| Ingredient (g kg−1 Dry Matter) | CON | AP |
|---|---|---|
| White fishmeal 1 | 300 | 300 |
| A. platensis 2 | 0 | 20 |
| Soybean meal 3 | 187.8 | 175.8 |
| Rapeseed meal 3 | 200 | 185.5 |
| Wheat flour | 150 | 150 |
| Fish oil | 25 | 25 |
| Soybean oil | 25 | 25 |
| Cellulose | 27.2 | 33.7 |
| Vitamin premix 4 | 3.9 | 3.9 |
| Mineral premix 5 | 50 | 50 |
| CMC 6 | 30 | 30 |
| Choline chloride | 1.1 | 1.1 |
| Chemical composition (g kg−1) | ||
| Moisture | 108.55 | 108.15 |
| In dry matter (g kg−1) | ||
| Crude protein | 418.30 | 416.56 |
| Crude lipid | 80.99 | 75.22 |
| Lutein (µg/g) | 4.96 | 8.08 |
1 White fishmeal: Seafood white fishmeal imported from the United States. 2 A. platensis: Center for Microalgal Biotechnology and Biofuels, Wuhan, China. 3 Soybean meal and rapeseed meal were purchased from Wuhan Gaolong Feed Co., Ltd., Wuhan, Hubei, China. 4 Vitamin premix (mg kg−1 diet): Vitamin B1, 20; Vitamin B2, 20; Vitamin B6, 20; Vitamin B12, 0.02; folic acid, 5; calcium pantothenate, 50; inositol, 100; niacin, 100; biotin, 0.1; cellulose, 3522; Vitamin A, 11; Vitamin D, 2; Vitamin E, 100; Vitamin K, 10. 5 Mineral premixes (mg kg−1 diet): NaCl, 500.0; MgSO4·7H2O, 8155.6; NaH2PO4·2H2O, 12,500.0; KH2PO4, 16,000.0; Ca(H2PO4) 2H2O, 7650.6; FeSO4·7H2O, 2286.2; C6H10CaO6·5H2O, 1750.0; ZnSO4·7H2O, 178.0; MnSO4·H2O, 61.4; CuSO4·5H2O, 15.5; CoSO4·7H2O, 0.91; KI, 1.5; Na2SeO3, 0.60; Corn starch, 899.7. 6 CMC: Carboxymethyl cellulose.