Table 2.
Experimental diet composition and nutrients (as-fed basis, presented as percentage unless declared otherwise).
| Item | Starter phase (d 0 to 9) | Grower phase (d 9 to 21) | Finisher phase (d 21 to 35) |
|---|---|---|---|
| Ingredients | |||
| Wheat | 41.6 | 43.4 | 44.9 |
| Sorghum | 26.0 | 27.0 | 31.0 |
| Soybean meal | 26.8 | 22.3 | 17.4 |
| Meat and bone meal | 2.00 | 3.30 | 2.60 |
| Canola oil | 0.70 | 1.30 | 2.10 |
| Limestone | 0.97 | 0.78 | 0.77 |
| Dicalcium phosphate 18P/21Ca | 0.42 | – | – |
| Salt | 0.12 | 0.08 | 0.08 |
| Sodium bicarbonate | 0.32 | 0.28 | 0.26 |
| Vitamin premix1 | 0.09 | 0.09 | 0.09 |
| Mineral premix2 | 0.08 | 0.08 | 0.08 |
| Choline chloride 70% | 0.06 | 0.07 | 0.06 |
| L-Lysine HCl | 0.39 | 0.36 | 0.32 |
| D, L-Methionine | 0.25 | 0.23 | 0.23 |
| L-Threonine | 0.19 | 0.13 | 0.12 |
| Phytase | 0.01 | 0.01 | 0.01 |
| Carophyll red (Canthaxanthin), ppm | 2.0 | 2.0 | 2.0 |
| Carophyll yellow (Apo-ester), ppm | 35.0 | 35.0 | 35.0 |
| Titanium di-oxide (TiO2) | – | 0.50 | – |
| Nutrient composition3 | |||
| AME, kcal/kg | 2,985 | 3,050 | 3,150 |
| Crude protein | 22.5 | 21.4 | 19.2 |
| Crude fat | 2.70 | 3.40 | 4.20 |
| Crude fiber | 2.92 | 2.80 | 2.67 |
| Digestible Arg | 1.28 | 1.18 | 1.01 |
| Digestible Lys | 1.22 | 1.12 | 0.96 |
| Digestible Met | 0.54 | 0.50 | 0.48 |
| Digestible Met + Cys | 0.91 | 0.85 | 0.80 |
| Digestible Trp | 0.25 | 0.23 | 0.20 |
| Digestible Thr | 0.83 | 0.73 | 0.66 |
| Digestible Val | 0.92 | 0.86 | 0.76 |
| Non starch polysaccharides, insoluble | 9.91 | 10.3 | 11.8 |
| Calcium | 0.90 | 0.84 | 0.76 |
| Phosphorus available | 0.45 | 0.42 | 0.38 |
| Sodium | 0.22 | 0.20 | 0.19 |
| Potassium | 0.90 | 0.82 | 0.73 |
| Chloride | 0.22 | 0.20 | 0.19 |
| Linoleic acid 18:2 | 1.07 | 1.22 | 1.39 |
| Choline, mg/kg | 1,700 | 1,700 | 1,550 |
AME = apparent metabolizable energy.
Vitamin premix provided the following per kilogram diet: vitamin A, 12,000,000 IU; vitamin D, 5,000,000 IU; vitamin E, 75 mg; vitamin K, 3 mg; cyanocobalamin, 0.016 mg; folic acid, 2 mg; riboflavin, 8 mg; pyridoxine, 5 mg; biotin, 0.25 mg; thiamine, 3 mg; nicotinic acid, 55 mg; pantothenic acid, 13 mg and antioxidant ethoxyquin, 50 mg.
Mineral premix provided the following per kilogram diet: Cu sulfate, 16 mg; Mn sulfate, 60 mg; Mn oxide, 60 mg; I (iodide), 0.125 mg; Se (selenite), 0.3 mg; Fe sulfate, 40 mg; Zn oxide and sulfate, 100 mg.
Ingredients were measured using near-infrared spectroscopy (NIRS, Evonik AminoProx, Germany).