Table 3.
Calculated compositions and analyzed values of 4 laying hen diets used for the apparent metabolizable energy, nitrogen corrected (AMEn) assay fed from 33 to 35 wk of age.
| Basal | Flaxseed oil | |||
|---|---|---|---|---|
| FSO1 concentration (%) | 0.0 | 3.0 | 6.0 | 9.0 |
| ME (kcal/kg) | 2800 | – | – | – |
| Corn | 60.18 | 58.37 | 56.57 | 54.76 |
| Meat/bone meal | 2.00 | 1.94 | 1.88 | 1.82 |
| Soybean meal 48 | 25.01 | 24.26 | 23.51 | 22.76 |
| Soy oil | 1.33 | 1.29 | 1.25 | 1.21 |
| Flaxseed oil | 0.00 | 3.00 | 6.00 | 9.00 |
| Sodium chloride | 0.42 | 0.40 | 0.39 | 0.38 |
| DL-methionine | 0.15 | 0.15 | 0.14 | 0.14 |
| Limestone2 | 9.24 | 8.96 | 8.68 | 8.40 |
| Dicalcium phosphate | 0.87 | 0.84 | 0.82 | 0.79 |
| Titanium dioxide | 0.30 | 0.29 | 0.28 | 0.27 |
| Phytase | 0.00075 | 0.00073 | 0.00071 | 0.00068 |
| V and M premix3 | 0.50 | 0.49 | 0.47 | 0.46 |
| Analyzed values (%) | ||||
| Dietary AMEn as-fed (kcal/kg) | 2762 | 2948 | 3218 | 3421 |
| Crude protein | 18.02 | 17.72 | 17.13 | 16.76 |
| Crude fat | 2.95 | 4.84 | 7.89 | 10.80 |
| Crude fiber | 3.18 | 2.30 | 2.35 | 2.19 |
| Moisture | 10.14 | 9.99 | 9.68 | 9.61 |
| Ash | 14.04 | 14.29 | 11.21 | 10.63 |
1FSO = Flaxseed oil.
2Limestone added was a 50/50 mixture of small (≤ 2 mm) and large particle (> 2 mm).
3Vitamin and mineral premix provided per kg of diet: Selenium 200 μg; Vitamin A 6,600 IU; Vitamin D3 2,200 IU; Vitamin E 14.3 IU; Menadione 880 μg; Vitamin B12 9.4 μg; Biotin 33 μg; Choline 358 mg; Folic acid 1.1 mg; Niacin 33 mg; Pantothenic acid 8.8 mg; Pyridoxine 880 μg; Riboflavin 4.4 mg; Thiamine 1.1 mg; Iron 226 mg; Magnesium 100 mg; Manganese 220 mg; Zinc 220 mg; Copper 22 mg; Iodine 675 μg.