Table 1.
Composition and analysis of experimental diets (LSO = linseed oil; HLS = heated linseed)
| 1 to 30 d | 31 to 60 d | 61 to 90 d | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Items | Control | LSO | HLS | Control | LSO | HLS | Control | LSO | HLS |
| Ingredient, % air dry basis | |||||||||
| Alfalfa hay particles | 25 | 25 | 25 | 15 | 15 | 15 | 12.5 | 12.5 | 12.5 |
| Maize straw particles | 5 | 5 | 5 | 20 | 20 | 20 | 25 | 25 | 25 |
| Tall oat grass particles | 20 | 20 | 20 | 15 | 15 | 15 | 12.5 | 12.5 | 12.5 |
| Corn | 28.41 | 23.37 | 23.17 | 30.8 | 30.4 | 29.9 | 31.3 | 29.9 | 29.4 |
| Soybean meal | 11.7 | 10.5 | 11.5 | 9.5 | 11.4 | 11.9 | 8 | 10.4 | 10.9 |
| Distillers dried grains with solubles | 3 | 7.24 | 7.74 | 4 | 0.5 | 0.5 | 4 | 0.5 | 0.5 |
| Flax cake | 4.8 | 4.8 | 0 | 3.5 | 3.5 | 0 | 4.5 | 4.5 | 0 |
| Heated linseed | 0 | 0 | 5.5 | 0 | 0 | 5.5 | 0 | 0 | 7 |
| Linseed oil | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 2.5 | 0 |
| Premix1 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Calcium carbonate | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| CaHPO4 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Sodium chloride | 0.54 | 0.54 | 0.54 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Sodium bicarbonate | 0.35 | 0.35 | 0.35 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Magnesia | 0.3 | 0.3 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Chemical composition | |||||||||
| Digestible energy, MJ/kg DM2 | 12.83 | 13.09 | 13.06 | 12.87 | 13 | 12.96 | 12.74 | 13.09 | 13.05 |
| Crude protein, g/kg DM | 188.73 | 188.13 | 188.2 | 162.84 | 158.71 | 159.69 | 153.52 | 151.34 | 151.85 |
| Ether extract, g/kg DM | 29.12 | 53.97 | 53.97 | 28.99 | 45.84 | 46.14 | 26.85 | 48.99 | 49.92 |
| Neutral detergent fibre, g/kg DM | 425.31 | 431.18 | 441.6 | 448.6 | 427.41 | 439.12 | 457.42 | 436.06 | 450.68 |
| Acid detergent fibre, g/kg DM | 232.2 | 231.71 | 243.3 | 242.59 | 235.23 | 248.4 | 247.69 | 240.32 | 256.96 |
| Calcium, g/kg DM | 11.25 | 11.11 | 11 | 10.48 | 10.89 | 10.78 | 10.26 | 10.67 | 10.56 |
| Phosphorus, g/kg DM | 4.65 | 4.67 | 4.78 | 4.5 | 4.44 | 4.56 | 4.31 | 4.22 | 4.33 |
1Provided per kilogram of premix: iron (Fe) 4 g, copper (Cu) 0.8 g, zinc (Zn) 5 g, manganese (Mn) 3 g, iodine (I) 30 mg, selenium (Se) 30 mg, cobalt (Co) 25 mg, vitamin A (VA) 600,000 IU, vitamin D (VD3) 250,000 IU, vitamin E (VE) 1,250 IU, vitamin K (VK3) 180 mg, vitamin B1 (VB1) 35 mg, vitamin B2 (VB2) 850 mg, vitamin B6 (VB6) 90 mg, nicotinic acid 2,200 mg, D-pantothenic acid 1,700 mg, vitamin B12 (VB12) 3 mg, biotin 14 m, folic acid 150 mg.
2Digestible energy is calculated based on the ingredients of the diet and their digestible energy content, not based on the actual dry matter intake.