Table 1.
Items | Level of montmorillonite (%)
|
||||
---|---|---|---|---|---|
0.0 | 0.5 | 1.0 | 2.5 | 5.0 | |
Ingredient (%) | |||||
Corn | 52.00 | 52.00 | 52.00 | 52.00 | 52.00 |
Soybean meal | 21.00 | 21.00 | 21.00 | 21.00 | 21.00 |
Fish meal | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 |
Soybean protein concentrate | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 |
Whey | 6.00 | 6.00 | 6.00 | 6.00 | 6.00 |
Wheat bran | 5.00 | 4.50 | 4.00 | 2.50 | 0.00 |
Soybean oil | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 |
Dicalcium phosphate | 0.90 | 0.90 | 0.90 | 0.90 | 0.90 |
Limestone | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 |
DL-methionine (98%) | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
L-lysine·HCl (98%) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
Sodium chloride | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 |
Vitamin-mineral premix1 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
Montmorillonite | 0.00 | 0.50 | 1.00 | 2.50 | 5.00 |
Nutrient content (%)2 | |||||
Metabolizable energy (MJ/kg) | 13.51 | 13.46 | 13.42 | 13.29 | 13.46 |
Crude protein | 21.03 | 20.92 | 20.65 | 20.44 | 20.27 |
Calcium | 0.84 | 0.79 | 0.80 | 0.87 | 0.90 |
Total phosphorus | 0.69 | 0.70 | 0.72 | 0.71 | 0.75 |
Methionine | 0.59 | 0.57 | 0.54 | 0.55 | 0.53 |
Lysine | 1.30 | 1.28 | 1.25 | 1.27 | 1.25 |
Provided per kilogram diet: vitamin A, 9,000 IU; vitamin D3, 3,000 IU; vitamin E, 20 IU; vitamin K3, 3.0 mg; thiamine, 1.5 mg; riboflavin, 4.0 mg; pyridoxine, 3.0 mg; cobalamin, 0.2 mg; biotin, 0.1 mg; pantothenic acid, 30 mg; nicotinic acid, 15 mg; iron, 75 mg; copper, 150 mg; zinc, 75 mg; manganese, 60 mg; iodine, 0.35 mg; selenium, 0.3 mg.
All nutrient levels except metabolizable energy were analyzed and values are the means of two determinations.