Table 3.
Ingredient and calculated composition of treatment diets, as-is basis
| Ingredient, % | Phase 11 | Phase 21 |
|---|---|---|
| Corn | 66.45 | 73.23 |
| Soybean meal, 46% CP | 20.45 | 14.20 |
| SO heat treatment2 | 10.00 | 10.00 |
| Limestone | 1.05 | 0.90 |
| Monocalcium phosphate | 0.85 | 0.64 |
| Sodium chloride | 0.35 | 0.35 |
| Vitamin mix3 | 0.25 | 0.25 |
| Trace mineral mix4 | 0.15 | 0.15 |
| l-Lysine•HCl | 0.30 | 0.21 |
| l-Threonine | 0.08 | 0.06 |
| dl-Methionine | 0.07 | 0.01 |
| Total | 100.00 | 100.00 |
| Calculated composition | ||
| ME, kcal/kg | 3,800 | 3,800 |
| CP, % | 15.6 | 12.8 |
| Lys, % | 1.01 | 0.77 |
| Ca, % | 0.63 | 0.52 |
| P, % | 0.50 | 0.43 |
| Analyzed composition5 | ||
| GE, kcal/kg | 4,223 | 4,257 |
| CP, % | 15.1 | 12.6 |
| Crude fat, % | 12.1 | 11.9 |
1The Phase-1 diet was fed for 49 d (pig BW 46.7–98.2 kg) and the Phase-2 diet was fed for 32 d (pig BW 98.2–130.0 kg).
2Dietary treatments consisted of 10% refined SO that was either unheated (22.5 °C) or heated at 45 °C for 288 h, 90 °C for 72 h, or 180 °C for 6 h, with 15 L/min of air supplied by a bubbled into the heating vesicle, excluding the 22.5 °C temperature which was not aerated.
3Provided the following per kilogram of diet: vitamin A, 7,656 IU; vitamin D3, 875 IU; vitamin E, 62.5 IU; vitamin K, 3.75 mg; vitamin B12, 0.06 mg; riboflavin, 13.75 mg; niacin, 70 mg; and pantothenic acid, 33.75 mg.
4Provided the following per kilogram of diet: Cu (as CuSO4), 16.5 mg; Fe (as FeSO4), 165 mg; I (as Ca(IO3)2), 0.3 mg; Mn (as MnSO4), 39 mg; Zn (as ZnSO4), 165 mg; and Se (Na2SeO3), 0.3 mg.
5Average analysis across all four SO treatments.