Table 1.
Formula and chemical composition of experimental diets (as-fed basis)
| Items | Starter (d 0–21) | Finisher (d 21–35) |
|---|---|---|
| Ingredient (%) | ||
| Corn | 53.47 | 50.92 |
| Wheat | 5.00 | 10.00 |
| Soybean meal (45%) | 27.98 | 23.10 |
| Fish meal (60%) | 2.00 | - |
| Corn gluten | 4.36 | 7.00 |
| Soy-oil | 2.77 | 4.47 |
| Threonine (98.5%) | 0.07 | 0.07 |
| Lysine (78%) | 0.17 | 0.25 |
| Methionine (50%) | 0.56 | 0.43 |
| Tryptophan (10%) | - | 0.02 |
| Choline | 0.05 | 0.05 |
| Limestone | 1.76 | 1.75 |
| MDCP | 1.11 | 1.24 |
| Salt | 0.20 | 0.20 |
| Mineral premix1) | 0.20 | 0.20 |
| Vitamin premix2) | 0.30 | 0.30 |
| Total | 100.00 | 100.00 |
| Nutrient composition (%) | ||
| Metabolic energy (Kcal/kg) | 3,050 | 3,150 |
| Crude protein | 22.00 | 20.00 |
| Crude protein (analyzed) | 22.13 | 20.08 |
| Crude fiber (analyzed) | 2.62 | 2.51 |
| Crude ash (analyzed) | 2.65 | 2.44 |
| Ether extract (analyzed) | 4.72 | 4.50 |
| Calcium | 1.00 | 0.90 |
| Available phosphorus | 0.40 | 0.38 |
| Lysine | 1.20 | 1.07 |
| TSAA | 0.94 | 0.80 |
| Threonine | 0.80 | 0.70 |
| Tryptophan | 0.22 | 0.19 |
MDCP, mono-dicalcium phosphate; TSAA, total sulfur amino acids.
1)
Supplied per kg diet: 20 mg Fe, 16 mg Cu, 110 mg Zn, 120 mg Mn, 1.25 mg I, 0.9 mg Co, 0.3 mg Se.
2)
Supplied per kg diet: 10,000 IU vitamin A, 4,500 IU vitamin D3, 65 mg vitamin E, 1.5 mg vitamin B1, 12 mg vitamin B2, 3.2 mg vitamin B6, 0.011 mg vitamin B12, 3.0 mg vitamin K3, 18 mg pantothenic acid, 60 mg niacin, 0.18 mg biotin, 1.9 mg folic acid, 18 mg ethoxyquin.