Table 1. Ingredients and nutrient concentrations of the diet (g/kg as fed unless noted).
| Item | Dietary inulin concentration (g/kg) | ||||
|---|---|---|---|---|---|
| 0 (Control) | 5 | 10 | 15 | 20 | |
| Ingredient | |||||
| Corn | 602.0 | 602.0 | 602.0 | 602.0 | 602.0 |
| Soybean meal | 240.0 | 240.0 | 240.0 | 240.0 | 240.0 |
| Soybean oil | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Fish meal | 22.4 | 22.4 | 22.4 | 22.4 | 22.4 |
| Wheat bran | 31.1 | 26.1 | 21.1 | 16.1 | 11.1 |
| Inulin | 0 | 5.0 | 10.0 | 15.0 | 20.0 |
| Calcium hydrogen phosphate | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Limestone | 70.0 | 70.0 | 70.0 | 70.0 | 70.0 |
| Sodium chloride | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
| DL-Methionine | 1.1 | 1.1 | 1.1 | 1.1 | 1.1 |
| L-Lysine | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Premix | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Chemical composition | |||||
| CP | 186.9 | 186.7 | 186.4 | 186.2 | 186.1 |
| Calcium | 33.6 | 33.7 | 33.5 | 33.4 | 33.6 |
| Total phosphorus | 6.0 | 6.0 | 5.9 | 5.9 | 6.0 |
| Lysine | 10.2 | 10.2 | 10.3 | 10.4 | 10.2 |
| Methionine + cysteine | 7.5 | 7.6 | 7.5 | 7.5 | 7.6 |
| ME (MJ/kg) | 11.50 | 11.50 | 11.51 | 11.51 | 11.52 |
The control group was fed the standard diet. The other treatment diets were supplemented with 5, 10, 15, or 20 g of inulin powder/kg of diet by replacing the equivalent amount of wheat bran in the standard diet formulation.
Premix supplied per kilogram of diet: retinyl palmitate, 3.96 mg; cholecalciferol, 0.07 mg; DL-α-tocopheryl acetate, 20 mg; menadione sodium bisulfite, 4 mg; thiamine mononitrate, 1.63 mg; riboflavin, 8 mg; niacin, 30 mg; pantothenic acid, 10 mg; folic acid, 0.5 mg; biotin, 0.2 mg; choline chloride, 250 mg; cyanocobalamin, 0.012 mg; Cu, 8 mg; Fe, 30 mg; I, 0.6 mg; Mn, 50 mg; Se, 0.12 mg; Zn, 40 mg.