Table 4.
Composition of experimental diets in Exp. 1 and 2 (as-fed basis)
| Item | Exp. 1 | Exp. 2 | ||
|---|---|---|---|---|
| Ingredient, % | Basal diet | Defatted rice bran diets | Defatted rice bran diets | N-free diet |
| Corn | 74.43 | 52.10 | – | – |
| Soybean meal | 22.91 | 16.04 | – | – |
| Defatted rice bran | – | 29.20 | 60.00 | – |
| Cornstarch | – | – | 23.95 | 73.35 |
| Soybean oil | – | – | 3.00 | 3.00 |
| Sucrose | – | – | 10.00 | 15.00 |
| Cellulose acetate1 | – | – | – | 4.00 |
| Dicalcium phosphate | 0.90 | 0.90 | 1.50 | 3.00 |
| Potassium carbonate | – | – | – | 0.30 |
| Magnesium oxide | – | – | – | 0.10 |
| Limestone | 0.90 | 0.90 | 0.30 | – |
| Choline chloride | 0.06 | 0.06 | – | – |
| Salt | 0.30 | 0.30 | 0.45 | 0.45 |
| Chromic oxide | – | – | 0.30 | 0.30 |
| Mineral and vitamin premix2 | 0.50 | 0.50 | 0.50 | 0.50 |
1Made by Chemical Reagents Company (Beijing, China).
2Premix provided the following per kg of complete diet: vitamin A as retinyl acetate, 5,512 IU; vitamin D3 as cholecalciferol, 2,200 IU; vitamin E as DL-alpha-tocopheryl acetate, 30 IU; vitamin K3 as menadione nicotinamide bisulfite, 2.2 mg; vitamin B12, 27.6 μg; riboflavin, 4 mg; pantothenic acid as DL-calcium pantothenate, 14 mg; niacin, 30 mg; choline chloride, 400 mg; folacin, 0.7 mg; thiamin as thiamine mononitrate, 1.5 mg; pyridoxine as pyridoxine hydrochloride, 3 mg; biotin, 44 μg; Mn as MnO, 40 mg; Fe as FeSO4•H2O, 75 mg; Zn as ZnO, 75 mg; Cu as CuSO4•5H2O, 100 mg; I as KI, 0.3 mg; Se as Na2SeO3, 0.3 mg.