Table 1.
Ingredients and nutrient composition of experimental piglet diets.
| Item | Phase 1 | Phase 2 |
|---|---|---|
| Ingredients, % as fed | ||
| Corn | 40.92 | 40.1 |
| Puffed corn | 20 | 22 |
| Soybean protein concentrate | 8 | 0 |
| Soybean meal, 43% CP | 8.2 | 20.5 |
| Fish meal, 43% CP | 5 | 4 |
| Whey powder, 2% CP | 10 | 5 |
| Glucose | 3 | 3 |
| Soybean oil | 0.5 | 1.5 |
| stone powder | 0.88 | 0.58 |
| Calcium hydrogen phosphate | 0.5 | 0.88 |
| Choline chloride | 0.1 | 0.1 |
| Antioxidants | 0.05 | 0.05 |
| Citric acid | 0.8 | 0.5 |
| Salt | 0.1 | 0.1 |
| Mineral premixes1 | 0.15 | 0.15 |
| Vitamin premixes2 | 0.5 | 0.5 |
| L-Lysine, 98% | 0.64 | 0.53 |
| DL-Methionine | 0.36 | 0.27 |
| L-Threonine | 0.24 | 0.19 |
| L-Tryptophan | 0.06 | 0.05 |
| Total | 100 | 100 |
| Calculated values of nutrient levels, % | ||
| Net energy, Mcal/kg | 2.49 | 2.45 |
| Crude protein | 18.61 | 18.02 |
| Ca | 0.80 | 0.70 |
| Effective phosphorus3 | 0.40 | 0.40 |
| Lysine3 | 1.35 | 1.24 |
| Methionine3 + Cysteine3 | 0.77 | 0.68 |
| Threonine3 | 0.79 | 0.73 |
| Tryptophan3 | 0.22 | 0.22 |
1
Added per kilogram of basal diet: 150 mg FeSO4, 100 mg ZnSO4, 30 mg MnSO4, 25 mg CuSO4, 0.5 mg KIO3, 0.3 mg CoSO4 and 0.3 mg Na2SeO3.
2
Added per kilogram of basal diet: 162,500 IU retinyl acetate; 50,000 IU vitamin D3; 400 DL-α- tocopheryl acetate; 50 mg vitamin K3; 50 mg vitamin B1; 120 mg vitamin B2; 75 mg vitamin B6; 0.5 mg vitamin B12; 25 mg folic acid; 600 mg nicotinamide; 350 mg D-calcium pantothenate; 2.5 mg D-biotin.
3
Standard ileal digestible level.