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. 2021 Nov 4;8:249–255. doi: 10.1016/j.aninu.2021.06.019

Table 3.

Ingredients and chemical composition of experimental diets of phase 3 (%, as-fed basis). 1

Item PC NC NC1 NC2 NC3 NC4
Ingredients
 Corn 67.68 72.03 71.89 71.73 71.58 71.45
 Soybean meal 26.98 21.66 21.68 21.72 21.74 21.76
 Animal fat 1.94 2.24 2.29 2.34 2.4 2.44
 Di-calcium phosphate 1.33 1.45 1.45 1.45 1.45 1.45
 Limestone 0.73 0.68 0.68 0.68 0.68 0.68
 Salt 0.2 0.2 0.2 0.2 0.2 0.2
 Met (99%) 0.13 0.16 0.16 0.16 0.16 0.16
 Lys (78%) 0.59 0.78 0.78 0.78 0.78 0.78
 Thr (98%) 0.17 0.26 0.26 0.26 0.26 0.26
 Trp (98%) 0.02 0.05 0.05 0.05 0.05 0.05
 L-Glu (98%) – 0.26 0.33 0.40 0.47 0.54
 Mineral mix2 0.1 0.1 0.1 0.1 0.1 0.1
 Vitamin mix3 0.1 0.1 0.1 0.1 0.1 0.1
 Choline (25%) 0.03 0.03 0.03 0.03 0.03 0.03
Total 100 100 100 100 100 100
Calculated value
 ME, kcal/kg 3,300 3,300 3,300 3,300 3,300 3,300
 CP 18.88 16.88 16.88 16.88 16.88 16.88
 Ca 0.7 0.7 0.7 0.7 0.7 0.7
 P 0.6 0.6 0.6 0.6 0.6 0.6
 Lys 1.41 1.41 1.41 1.41 1.41 1.41
 Met 0.4 0.4 0.4 0.4 0.4 0.4
 Thr 0.87 0.87 0.87 0.87 0.87 0.87
 Trp 0.23 0.23 0.23 0.23 0.23 0.23
 Glu 3.31 3.17 3.24 3.31 3.38 3.45
 Crude fat 4.67 5.03 5.08 5.12 5.17 5.21
 Crude fiber 2.59 2.48 2.48 2.47 2.47 2.47
 Ash 4.57 4.57 4.57 4.57 4.57 4.57
Analyzed value
 CP 18.91 16.85 16.86 16.84 16.86 16.84
 Ca 0.71 0.69 0.69 0.71 0.71 0.7
 P 0.61 0.59 0.6 0.6 0.58 0.62
 Lys 1.4 1.42 1.42 1.41 1.39 1.42
 Met 0.38 0.39 0.38 0.38 0.39 0.4
 Thr 0.86 0.86 0.89 0.87 0.87 0.85
 Trp 0.22 0.21 0.21 0.25 0.24 0.22
 Glu 3.3 3.19 3.23 3.29 3.36 3.45
 Crude fat 4.66 5.01 5.08 5.11 5.18 5.2
 Crude fiber 2.59 2.46 2.5 2.49 2.46 2.49
 Ash 4.57 4.58 4.55 4.56 4.59 4.56
1

PC (positive control), the basal standard protein diet with the Lys-to-Glu ratio at 1:2.35; NC (negative control), NC1, NC2, NC3, and NC4, the basal diet with 2% CP reduction and Lys-to-Glu ratios at 1:2.25, 1:2.30, 1:2.35, 1:2.40, and 1:2.45, respectively.

2

Provided per kilogram diet: Fe, 180 mg as ferrous sulfate; Cu, 17 mg as copper sulfate; Mn, 54 mg as manganese oxide; Zn, 90 mg as zinc oxide; I, 0.78 mg as potassium iodide; and Se, 0.36 mg as sodium selenite.

3

Provided per kilogram diet: vitamin A, 10,800 IU; vitamin D3, 4,000 IU; vitamin E, 40 IU; vitamin K3, 4 mg; vitamin B1, 6 mg; vitamin B2, 21.6 mg; vitamin B6, 9.6 mg; vitamin B12, 0.084 mg; biotin, 0.48 mg; folic acid, 3 mg; niacin, 84 mg; D-calcium pantothenate, 54 mg.