Table 1.
Ingredients and proximate composition of experimental feeds (g kg−1).
| Ingredients a | Pelleted Feed | Extruded Feed |
|---|---|---|
| Soybean meal | 230.0 | 230.0 |
| Rapeseed meal (green) | 160.0 | 160.0 |
| Rapeseed meal | 70.0 | 70.0 |
| DDGS | 70.0 | 70.0 |
| Blood globulin powder | 20.0 | 20.0 |
| Rice bran | 70.0 | 70.0 |
| Wheat middling | 250.0 | 250.0 |
| Distilled grain | 81.5 | 81.5 |
| Choline chloride 60% | 5.0 | 5.0 |
| Soybean oil | 15.0 | 15.0 |
| Calcium biphosphate | 18.0 | 18.0 |
| Vitamin premix b | 3.0 | 3.0 |
| Mineral premix c | 5.0 | 5.0 |
| Antiseptic | 1.5 | 1.5 |
| Ethoxyquin | 1.0 | 1.0 |
| Total | 1000.0 | 1000.0 |
| Proximate composition (as feed) | ||
| Dry matter (DM) | 895.0 | 901.0 |
| Crude protein | 315.9 | 307.9 |
| Crude lipid | 55.0 | 51.0 |
| Ash | 114.0 | 121.0 |
| Vitamin E (IU/kg) | 102.0 | 97.7 |
| Lysine (Lys) | 17.3 | 18.2 |
| Methionine (Met) | 2.8 | 2.7 |
| Threonine (The) | 12.3 | 11.8 |
| Arginine (Arg) | 17.6 | 16.4 |
| Total amino acids (TAA) | 267.3 | 260.0 |
Note: a Ingredients were purchased from the Taizhou New Hope Agriculture Co., Ltd. (Taizhou, Jiangsu, China), and the protein contents are as follows: soybean meal (456 g kg−1), rapeseed meal (green) (350 g kg−1), rapeseed meal (361 g kg−1), DDGS (252 g kg−1), blood globulin powder (900 g kg−1), rice bran (133 g kg−1). b Vitamin premix (mg or IU kg−1 diet): vitamin A, 8000 IU; vitamin E, 150 mg; vitamin K, 50 mg; thiamine, 80 mg; riboflavin, 50 mg; niacin, 150 mg; pantothenic acid, 150 mg; pyridoxine HCl, 50 mg; biotin, 1 mg; cyanocobalamin, 0.02 mg; folic acid, 10 mg; ascorbic acid, 300 mg; vitamin D3, 2000 IU. c Mineral premix (mg or g kg−1 diet): copper sulphate, 2.0 g; iron sulphate, 25 g; zinc sulphate, 22 g; manganese sulphate, 7 g; sodium selenite, 0.04 g; potassium iodide, 0.026 g; cobalt chloride, 0.1 g.