Table 2. Ingredient and chemical compositions (%) of diets in Experiment 1, as-fed basis.
| Ingredient | Experimental diets | ||
|---|---|---|---|
| Corn | Soybean meal | N-free diet | |
| Corn | 95.36 | - | - |
| Soybean meal | - | 41.24 | - |
| Cornstarch | - | 50.48 | 29.86 |
| Sucrose | - | - | 55.00 |
| Soybean oil | - | 4.00 | 4.00 |
| Calcium phosphate (monocalcium) | 2.00 | 1.85 | 2.41 |
| Limestone, ground | 1.54 | 1.33 | 1.34 |
| Vitamin-Mineral premix1) | 0.20 | 0.20 | 0.20 |
| Sodium chloride | 0.40 | 0.40 | - |
| Chromic oxide | 0.50 | 0.50 | 0.50 |
| Cellulose | - | - | 5.00 |
| Choline chloride | - | - | 0.25 |
| Sodium bicarbonate | - | - | 0.75 |
| Potassium chloride | - | - | 0.30 |
| Magnesium oxide | - | - | 0.09 |
| Potassium carbonate | - | - | 0.30 |
| Total | 100.0 | 100.0 | 100.0 |
| Calculated composition (%) | |||
| MEn (kcal/kg) | 3,194 | 3,301 | 3,404 |
| Crude protein | 8.11 | 20.00 | - |
| Ca | 1.00 | 1.00 | 1.00 |
| Non-phytate P | 0.45 | 0.45 | 0.45 |
| Total amino acids (%) | |||
| Arg | 0.36 | 1.48 | - |
| His | 0.22 | 0.55 | - |
| Ile | 0.28 | 0.92 | - |
| Leu | 0.95 | 1.59 | - |
| Lys | 0.25 | 1.26 | - |
| Met | 0.17 | 0.29 | - |
| Met + Cys | 0.34 | 0.60 | - |
| Phe | 0.36 | 1.02 | - |
| Phe + Tyr | 0.65 | 1.91 | - |
| Thr | 0.28 | 0.81 | - |
| Trp | 0.06 | 0.35 | - |
| Val | 0.04 | 0.97 | - |
1)
Provided per kg of diet: vitamin A, 9,000 IU; vitamin D, 4,000 IU; vitamin E, 50 mg; vitamin K3, 2.5 mg; thiamine nitrate, 2.0 mg; riboflavin, 6.0 mg; pyridoxine hydrochloride, 3.0 mg; vitamin B12, 0.013 mg; nicotinic acid, 50.0 mg; calcium pantothenate, 15.0 mg; folic acid, 1.5 mg; biotin, 0.1 mg; Mn, 96 mg as manganese sulfate; Zn, 90 mg as zinc sulfate; Fe, 50 mg as ferrous sulfate and ferric oxide; Cu, 24 mg as cupric sulfate; I, 1.2 mg as calcium iodate; Se, 0.36 mg as sodium selenite.
MEn, nitrogen-corrected metabolizable energy; Arg, arginine; His, histidine; Ile, isoleucine; Leu, leucine; Lys, lysine; Met, methionine; Cys, cysteine; Phe, phenylalanine; Tyr, tyrosine; Thr, threonine; Trp, tryptophan; Val, valine.