Table 1.
Ingredients and nutrient levels of the experimental diets (as-fed basis, %).
| Items | CON | DBP | BF |
|---|---|---|---|
| Ingredients | as-fed basis, % | ||
| Corn | 25.00 | 25.00 | 25.00 |
| Sweet potato flour | 12.00 | 12.00 | 12.00 |
| Wheat flour | 10.00 | 10.00 | 10.00 |
| Corn gluten meal | 5.00 | 5.00 | 5. 00 |
| Beet pulp | 2.50 | 2.50 | 2.50 |
| Duck meal | 8.00 | 8.00 | 8.00 |
| Fish meal | 2.50 | 2.50 | 2.50 |
| Meat and bone meal | 3.00 | 3.00 | 3.00 |
| Calcium bicarbonate | 1.00 | 1.00 | 1.00 |
| Solid flavor enhancer | 2.00 | 2.00 | 2.00 |
| Vitamin and mineral premix1 | 1.00 | 1.00 | 1.00 |
| Chicken meal | 20.00 | 0 | 20.00 |
| Mixed oil2 | 8.00 | 8.00 | 0 |
| Defatted black soldier fly protein | 0 | 20.00 | 0 |
| Black solider fly fat | 0 | 0 | 8.00 |
| Nutrient levels3 | |||
| DM (%) | 91.20 | 91.29 | 92.66 |
| OM (%) | 93.68 | 92.49 | 93.25 |
| CP (%) | 32.72 | 30.21 | 32.55 |
| EE (%) | 14.30 | 16.15 | 15.99 |
| GE (kcal/kg) | 4759.86 | 4560.91 | 4598.08 |
| Calcium (%) | 0.57 | 0.53 | 0.50 |
| Phosphorus (%) | 0.46 | 0.42 | 0.41 |
| Calcium and phosphorus ratio | 1.24 | 1.26 | 1.22 |
CON: basal diet group; DBP: defatted black soldier fly larvae protein group; BF: black soldier fly larvae fat group; DM: dry matter; OM: organic matter; CP: crude protein; EE: ether extract; GE: gross energy.
Vitamin and mineral premix provided the following per kilogram of diet: vitamin A, 2,260,000 IU; vitamin D3, 50,000 IU; vitamin E, 5,400 mg; vitamin K3, 10 mg; vitamin B1 (thiamine), 1,680 mg; vitamin B2 (riboflavin), 740 mg; vitamin B6, 840 mg; vitamin B12, 3 mg; niacin, 9,800 mg; calcium pantothenate 948 mg; biotin, 11 mg; folacin, 90 mg; choline chloride, 264,180 mg; Fe, 8,000 mg; Cu, 1,500 mg; Mn, 780 mg; Zn, 7,520 mg; I, 180 mg; Se, 30 mg.
Mixed oil contained 2% fish oil and 6% chicken oil.
Measured values in dry matter basis.