Table 2.
Composition and nutrition levels of the experimental diets (%, DM basis).
| Ingredients | TD1 (0.00%) | TD2 (6.25%) | TD3 (12.5%) | TD4 (18.75%) | TD5 (25.00%) | TD6 (31.25%) |
|---|---|---|---|---|---|---|
| Fishmeal | 32 | 30 | 28 | 26 | 24 | 22 |
| ECGGR | 0 | 2 | 4 | 6 | 8 | 10 |
| Soybean meal | 17 | 17.9 | 19 | 20 | 21 | 22 |
| Wheat meal | 22.23 | 22.23 | 22.23 | 22.23 | 22.23 | 22.23 |
| Fish oil | 5 | 5 | 5 | 5 | 5 | 5 |
| Soy oil | 5 | 5.1 | 5.2 | 5.3 | 5.4 | 5.5 |
| Soy protein isolate | 10 | 9.1 | 8 | 7 | 6 | 5 |
| Soybean lecithin | 2 | 2 | 2 | 2 | 2 | 2 |
| Ca (H2PO4)2 | 1 | 1 | 1 | 1 | 1 | 1 |
| Vitamin premixa | 1 | 1 | 1 | 1 | 1 | 1 |
| Mineral premixb | 1 | 1 | 1 | 1 | 1 | 1 |
| Choline chloride (50%) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Vitamin C | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| DL-Methionine | 0.3 | 0.33 | 0.36 | 0.39 | 0.42 | 0.45 |
| L-Lys-HCL (99%) | 0.24 | 0.32 | 0.4 | 0.48 | 0.57 | 0.65 |
| L-Threonine | 0 | 0.03 | 0.07 | 0.1 | 0.14 | 0.17 |
| Sodium alginate | 1 | 1 | 1 | 1 | 1 | 1 |
| Carboxymethyl cellulose | 1.23 | 0.99 | 0.74 | 0.5 | 0.24 | 0 |
| Sum | 100 | 100 | 100 | 100 | 100 | 100 |
| Nutrition levelsc | ||||||
| Moisture | 8.98 ± 0.05 | 8.29 ± 0.13 | 10.51 ± 0.11 | 9.89 ± 0.08 | 10.25 ± 0.09 | 8.22 ± 0.20 |
| Crude protein | 44.39 ± 0.4 | 44.23 ± 0.24 | 44.09 ± 0.57 | 44.78 ± 0.69 | 44.75 ± 0.25 | 44.39 ± 0.37 |
| Crude lipid | 15.17 ± 0.24 | 15.32 ± 0.28 | 15.41 ± 0.26 | 15.09 ± 0.26 | 15.61 ± 0.30 | 15.26 ± 0.39 |
aVitamin premix provides the following per kg of diet: thiamin, 25 mg; riboflavin, 45 mg; pyridoxine HCl, 20 mg; vitamin B12, 0.1 mg; vitamin K3,10 mg; inositol, 800 mg; pantothenic acid, 60 mg; niacin acid, 200 mg; folic acid, 20 mg; biotin, 1.20 mg; retinal acetate, 32 mg; cholecalciferol, 5 mg; tocopherols, 120 mg; ascorbic acid, 2,000 mg; choline chloride, 2,500 mg; ethoxyquin, 150 mg; wheat middling, 14.012 g. bMineral premix provides the following per kg of diet: NaF, 2 mg; KI, 0.8 mg; CoCl2 · 6H2O (1%), 50 mg; CuSO4 · 5H2O, 10 mg; FeSO4 · H2O, 80 mg; ZnSO4 · H2O, 50 mg; MnSO4 · H2O, 60 mg; MgSO4 · 7H2O, 1,200 mg; Ca (H2PO4)2·H2O, 3,000 mg; NaCl, 100 mg; zeolite,15.447 g. cMeasured values.