Table 1.
Composition of experimental diets, as-fed basis
| Items | D 1 to 7 | D 8 to 21 | D 22 to 42 |
|---|---|---|---|
| Ingredients (%) | |||
| Extruded corn | 29.18 | 44.49 | 61.97 |
| Dehulled soybean meal (48% CP) | 6.94 | 16.20 | 25.30 |
| Fermented soybean meal (45% CP) | 10.00 | 5.00 | 2.50 |
| Fish meal (66% CP) | 5.00 | 3.50 | - |
| Soy oil | 3.65 | 2.55 | 1.05 |
| Lactose | 15.30 | 8.30 | - |
| Whey | 15.00 | 10.00 | 5.00 |
| Monocalcium phosphate | 1.45 | - | - |
| Dicalcium phosphate | - | 1.50 | - |
| Sugar | 5.00 | 3.00 | - |
| Plasma powder | 6.00 | 3.00 | - |
| L-lysine-HCl, 78% | 0.29 | 0.39 | 0.46 |
| DL-methionine, 50% | 0.32 | 0.30 | 0.24 |
| L-threonine, 89% | 0.13 | 0.19 | 0.20 |
| Choline chloride, 25% | 0.20 | 0.10 | 0.10 |
| Vitamin premix1 | 0.10 | 0.10 | 0.10 |
| Trace mineral premix2 | 0.20 | 0.20 | 0.20 |
| Limestone | 1.24 | 0.98 | 1.13 |
| Salt | - | 0.20 | 0.25 |
| Total | 100.00 | 100.00 | 100.00 |
| Calculated composition | |||
| ME (kcal/kg) | 3,640 | 3,540 | 3,410 |
| Analyzed composition (%) | |||
| Crude protein | 21.12 | 19.87 | 19.07 |
| Lysine | 1.65 | 1.53 | 1.32 |
| Methionine | 0.61 | 0.60 | 0.55 |
| Calcium | 0.97 | 0.91 | 0.87 |
| Phosphorus | 0.82 | 0.73 | 0.67 |
| Crude fiber | 1.39 | 1.79 | 2.49 |
1
Provided per kg of complete diet: 11,025 IU of vitamin A, 1,103 IU of vitamin D3, 44 IU of vitamin E, 4.4 mg of vitamin K, 8.3 mg of riboflavin, 50 mg of niacin, 4 mg of thiamine, 29 mg of d-pantothenic, 60 mg of biotin, 166 mg of choline, and 33 μg of vitamin B12.
2
Provided per kg of complete diet: 80 mg of Fe (as FeSO4.7H2O), 12 mg of Cu (as CuSO4.5H2O), 85 mg of Zn (as ZnSO4), 8 mg of Mn (as MnO2), 0.28 mg of I (as KI), and 0.15 mg of Se (as Na2SeO3.5H2O).