Table 2.
Composition of the experimental diets (g/kg, as-fed basis).
| Item | Phase 1 (d 1 to 14) |
Phase 2 (d 15 to 28) |
||||
|---|---|---|---|---|---|---|
| CON | WB | SBP | CON | WB | SBP | |
| Corn | 568.6 | 514.5 | 525.2 | 636.4 | 583.0 | 594.0 |
| Soybean meal | 160.0 | 145.0 | 160.0 | 160.0 | 145.0 | 160.0 |
| Extruded soybean | 140.0 | 140.0 | 140.0 | 100.0 | 100.0 | 100.0 |
| Whey powder | 40.0 | 40.0 | 40.0 | 30.0 | 30.0 | 30.0 |
| Fish meal | 40.0 | 40.0 | 40.0 | 30.0 | 30.0 | 30.0 |
| Wheat bran | – | 60.0 | – | – | 60.0 | – |
| Sugar beet pulp | – | – | 40.0 | – | – | 40.0 |
| Soybean oil | 15.5 | 24.5 | 19.5 | 9.7 | 18.4 | 13.3 |
| Dicalcium phosphate | 10.0 | 8.8 | 10.4 | 7.6 | 6.3 | 7.6 |
| Limestone | 8.2 | 9.0 | 7.2 | 8.6 | 9.2 | 7.5 |
| Salt | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| l-lysine HCl, 78% | 4.5 | 4.8 | 4.5 | 4.5 | 4.8 | 4.4 |
| dl-methionine, 98% | 0.9 | 1.0 | 0.9 | 0.9 | 0.9 | 0.9 |
| l-threonine, 98% | 1.5 | 1.6 | 1.5 | 1.5 | 1.6 | 1.5 |
| l-tryptophan, 98% | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Premix1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| Chromium oxide | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Calculated composition | ||||||
| DE, Kcal/kg | 3542 | 3542 | 3542 | 3490 | 3490 | 3490 |
| NE, Kal/kg | 2657 | 2655 | 2650 | 2636 | 2634 | 2629 |
| Calcium | 8.0 | 8.0 | 8.0 | 7.0 | 7.0 | 7.0 |
| Available phosphorus | 4.0 | 4.0 | 4.0 | 3.3 | 3.3 | 3.3 |
| SID lysine | 13.5 | 13.5 | 13.5 | 12.3 | 12.3 | 12.3 |
| SID methionine | 3.9 | 3.9 | 3.9 | 3.6 | 3.6 | 3.6 |
| SID threonine | 7.9 | 7.9 | 7.9 | 7.3 | 7.3 | 7.3 |
| SID tryptophan | 2.2 | 2.2 | 2.2 | 2.0 | 2.0 | 2.0 |
| Analyzed composition | ||||||
| Crude protein | 196.4 | 196.0 | 196.7 | 180.6 | 180.2 | 180.9 |
| Total dietary fiber | 85.8 | 105.9 | 105.8 | 97.1 | 117.3 | 117.2 |
| Soluble dietary fiber | 10.4 | 11.5 | 15.6 | 11.2 | 12.3 | 16.4 |
| Insoluble dietary fiber | 75.4 | 94.4 | 90.2 | 85.9 | 105.0 | 100.8 |
CON = control; WB = wheat bran; SBP = sugar beet pulp; DE = digestible energy; NE = net energy; SID = standardized ileal digestible.
1
Premix provided the following per kilogram of diet: 12,000 IU vitamin A, 2,500 IU vitamin D3, 30 IU vitamin E, 12 μg vitamin B12, 3 mg vitamin K, 15 mg D-pantothenic acid, 40 mg nicotinic acid, 400 mg choline, 30 mg manganese, 80 mg zinc, 90 mg iron, 10 mg copper, 0.35 mg iodine, and 0.3 mg selenium.