Table 1.
Experiment basal diet composition and nutrient level (%, as air-dry basis)1.
| Ingredients | Content | Nutrient levels | Content |
|---|---|---|---|
| Corn | 32.98 | Calculated nutrient level | |
| Extruded corn | 27.00 | Digestible energy, MJ/kg | 14.77 |
| Fish meal | 3.00 | SID lysine | 1.29 |
| Soy protein concentrate | 7.00 | SID methionine | 0.46 |
| Whey powder | 8.00 | SID methionine + cysteine | 0.71 |
| Extruded soybean meal | 6.00 | SID threonine | 0.76 |
| Soybean meal | 11.00 | SID tryptophan | 0.21 |
| Soybean oil | 2.00 | Analyzed nutrient level | |
| Limestone | 0.50 | Crude protein | 19.79 |
| Dicalcium phosphate | 0.87 | Calcium | 0.91 |
| L-threonine, 98.5% | 0.18 | Total phosphorus | 0.72 |
| L-lysine HCl, 98.5% | 0.52 | ||
| DL-methionine | 0.18 | ||
| L-tryptophan, 98% | 0.02 | ||
| Salt | 0.30 | ||
| Choline chloride | 0.10 | ||
| Vitamin premix2 | 0.05 | ||
| Mineral premix3 | 0.30 | ||
| Total | 100.00 | ||
SID = standardized ileal digestible.
1
All essential nutrient requirements in the diets met or exceeded NRC (2012) recommendations for piglets.
2
The multi-vitamin premix provided the following per kilogram of diet: vitamin A, 9000 IU; vitamin D3, 3000 IU; vitamin E, 20 IU; vitamin K3, 3.0 mg; vitamin B1, 1.5 mg; vitamin B2, 4.0 mg; vitamin B6, 3.0 mg; vitamin B12, 0.2 mg; niacin, 30.0 mg; pantothenic acid,15.0 mg; folic acid, 0.75 mg; biotin, 0.1 mg.
3
The mineral premix provided the following per kilogram of diet: Fe (FeSO4·7H2O), 100 mg; Cu (CuSO4·5H2O), 6 mg; Zn (ZnSO4·H2O), 100 mg; Mn (MnSO4·H2O), 4 mg; I (KI), 0.14 mg; Se (Na2SeO3), 0.3 mg.