Table 1.
The composition and nutrient levels of experimental diets.
| Ingredient | Contents, % | Nutrients | Contents |
|---|---|---|---|
| Corn | 62.96 | Calculated values | |
| Soybean meal | 26.41 | Crude protein, % | 16.50 |
| Limestone | 8.80 | Calcium, % | 3.31 |
| Dicalcium phosphate | 1.00 | Total phosphorus, % | 0.54 |
| Salt | 0.30 | Available phosphorus, % | 0.33 |
| Premixa | 0.53 | AME, MJ/kg | 11.29 |
| Total | 100.00 | Lysine, % | 0.86 |
| Selenium | Contents, mg/kgb | Methionine, % | 0.37 |
| Ctrl | 0.08(0.07) | Met+Cys, % | 0.65 |
| Norm | 0.38(0.33) | Analyzed values, % | |
| SS | 2.08(1.83) | Crude protein, | 16.68 |
| SEY | 2.08(1.87) | Calcium | 3.37 |
| SEIP | 2.08(1.80) | Total phosphorus | 0.58 |
a
Vitamin and mineral premix provided the following per kg of diets: VA, 12,500 IU; VD3, 4,125 IU; VE, 15 IU; VK, 2 mg; VB1, 1 mg; VB2, 8.5 mg; VB6, 8 mg; VB12, 5 mg; calcium pantothenate, 50 mg; niacin, 32.5 mg; biotin, 2 mg; folic acid, 5 mg; choline, 500 mg; Mn, 65 mg; I, 1 mg; Fe, 60 mg; Cu, 8 mg; Zn, 66 mg.
b
Ctrl, the birds fed the basal diet; Norm, the birds fed 0.3 mg/kg of Se provided by sodium selenite; SS, SEY, and SEIP, the birds fed 2 mg/kg of Se provided by sodium selenite, Se yeast, and Se-enriched insect protein powder, respectively. The values out of parentheses are calculated values, and those in parentheses are analyzed values.