Table 1.
Experimental diets composition (as fed basis).
| Ingredients (%) | Starter (d 1–14) | Grower (d 15–28) | Finisher (d 29–42) |
|---|---|---|---|
| Corn | 50.62 | 58.78 | 60.85 |
| Soybean meal, 48% CP | 32.30 | 23.86 | 20.99 |
| DDGS | 8.00 | 8.00 | 8.00 |
| Meat and Bone meal | 4.00 | 4.00 | 4.00 |
| Soybean oil | 2.67 | 2.87 | 3.97 |
| Dicalcium phosphate | 1.12 | 1.14 | 1.16 |
| Limestone (CaCO3) | 0.35 | 0.40 | 0.15 |
| NaCl | 0.252 | 0.257 | 0.258 |
| dl-Met | 0.278 | 0.219 | 0.196 |
| l-Lys HCl | 0.197 | 0.202 | 0.177 |
| l-Thr | 0.054 | 0.047 | 0.037 |
| Choline chrolide, 60% | 0.100 | 0.100 | 0.100 |
| Vitamin premix 1 | 0.050 | 0.050 | 0.050 |
| Trace mineral premix 2 | 0.075 | 0.075 | 0.075 |
| Nutrients (%, unless otherwise indicated) | |||
| AMEn (kcal/kg) | 2950 | 3050 | 3150 |
| Crude protein | 23.85 | 20.44 | 19.19 |
| SID Lys | 1.22 | 1.02 | 0.93 |
| SID Met+Cys | 0.89 | 0.76 | 0.71 |
| SID Thr | 0.78 | 0.66 | 0.61 |
| SID Trp | 0.23 | 0.18 | 0.17 |
| SID Arg | 1.39 | 1.15 | 1.06 |
| SID Ile | 0.85 | 0.71 | 0.66 |
| SID Leu | 1.79 | 1.59 | 1.52 |
| SID Val | 0.95 | 0.81 | 0.76 |
1 Vitamin mix provided the following (per kg of diet): thiamin mononitrate, 2.4 mg; nicotinic acid, 44 mg; riboflavin, 4.4 mg; d-Ca pantothenate, 12 mg; vitamin B12 (cobalamin), 12.0 µg; pyridoxine HCL, 4.7 mg; d-biotin, 0.11 mg; folic acid, 5.5 mg; menadione sodium bisulfite complex, 3.34 mg; choline chloride, 220 mg; cholecalciferol, 27.5 μg; trans-retinyl acetate, 1892 μg; α tocopheryl acetate, 11 mg; ethoxyquin, 125 mg; and 2 Trace mineral mix provided the following (per kg of diet): manganese (MnSO4·H2O), 60 mg; iron (FeSO4·7H2O), 30 mg; zinc (ZnO), 50 mg; copper (CuSO4 5H2O), 5 mg; iodine (ethylene diamine dihydroiodide), 0.15 mg; selenium (NaSeO3), 0.3 mg.