Table 1.
Dietary vitamin A, mg/kg | ||||
---|---|---|---|---|
Items | 2 | 4 | 8 | 16 |
Ingredient, % | ||||
Corn | 40.14 | 40.14 | 40.14 | 40.14 |
Extruded corn1 | 20 | 20 | 20 | 20 |
Soybean meal | 9 | 9 | 9 | 9 |
Fish meal | 7 | 7 | 7 | 7 |
Plasma protein powder | 5 | 5 | 5 | 5 |
Whey powder | 9 | 9 | 9 | 9 |
Glucose2 | 3 | 3 | 3 | 3 |
Soybean oil | 3.8 | 3.8 | 3.8 | 3.8 |
Stone powder | 1.05 | 1.05 | 1.05 | 1.05 |
Choline chloride | 0.1 | 0.1 | 0.1 | 0.1 |
Antioxidants | 0.05 | 0.05 | 0.05 | 0.05 |
Citric acid | 0.5 | 0.5 | 0.5 | 0.5 |
Salt | 0.1 | 0.1 | 0.1 | 0.1 |
l-Lys HCl | 0.45 | 0.45 | 0.45 | 0.45 |
dl-Met | 0.2 | 0.2 | 0.2 | 0.2 |
l-Thr | 0.14 | 0.14 | 0.14 | 0.14 |
l-Trp | 0.02 | 0.02 | 0.02 | 0.02 |
Mineral premix3 | 0.15 | 0.15 | 0.15 | 0.15 |
Vitamin premix4 | 0.3 | 0.3 | 0.3 | 0.3 |
Total | 100 | 100 | 100 | 100 |
Calculated composition | ||||
CP, % | 18.65 | 18.65 | 18.65 | 18.65 |
ME, kcal/kg | 3,407 | 3,407 | 3,407 | 3,407 |
VA, mg/kg | 2.20 | 4.20 | 8.20 | 16.20 |
Ca, % | 0.80 | 0.80 | 0.80 | 0.80 |
Total P, % | 0.56 | 0.56 | 0.56 | 0.56 |
Available P, % | 0.38 | 0.38 | 0.38 | 0.38 |
l-Lys5, % | 1.37 | 1.37 | 1.37 | 1.37 |
Thr5, % | 0.81 | 0.81 | 0.81 | 0.81 |
Trp5, % | 0.22 | 0.22 | 0.22 | 0.22 |
SAA5,6, % | 0.75 | 0.75 | 0.75 | 0.75 |
DCAD7, mEq/kg DM | 2.32 | 2.32 | 2.32 | 2.32 |
1Bulk density is 0.3 to 0.5 kg/L, puffing temperature is 100 to 150 °C. The moisture content of the finished product is 8% to 10%, and the degree of gelatinization is above 90%.
2Dextrose monohydrate.
3Mineral premix per kilogram of feed: 150 mg Fe (FeSO4), 100 mg Zn (ZnSO4), 30 mg Mn (MnSO4), 25 mg Cu (CuSO4), 0.5 mg I (KIO3), 0.3 mg Co (CoSO4), and 0.3 mg Se (Na2SeO3).
4Vitamin premix supplied per kilogram of feed: 220 IU vitamin D3; 16 IU vitamin E; 0.5 mg vitamin K3; 17.5 μg vitamin B12; 3.5 mg riboflavin; 30 mg niacin; 10 mg d-pantothenic acid; 0.05 mg biotin; 0.3 mg folic acid; 1.0 mg thiamine; 7 mg pyridoxine; and, 4.0 mg ethoxyquin.
5Standardized ileal digestible.
6SAA = Met + Cys.
7DCAD = dietary cation–anion difference, which was calculated according to the formula: [(%Na/0.023 + %K/0.039)] − [(%Cl/0.0355 + %S/0.016)].