Table 1.
Ingredients and chemical composition of experimental diets in experiment 1 (g/kg DM or as stated)
| Treatments | |||||
|---|---|---|---|---|---|
| Control | CPO | EL | CPLO | MR | |
| Ingredients | |||||
| Maize silage | 120 | 120 | 120 | 120 | 120 |
| Grass silage | 360 | 360 | 360 | 360 | 360 |
| Grass hay | 15 | 15 | 15 | 15 | 15 |
| Straw | 15 | 15 | 15 | 15 | 15 |
| Concentrate mix 1 | 416 | 416 | 416 | 416 | 416 |
| Soya bean meal | 9 | 16 | 0 | 8 | 4 |
| Soya bean hulls | 55 | 31 | 9 | 29 | 22 |
| Sodium bicarbonate | 4 | 4 | 4 | 4 | 4 |
| Salt 2 | 4 | 4 | 4 | 4 | 4 |
| Limestone | 2 | 2 | 2 | 2 | 2 |
| CPO | 0 | 17 | 0 | 0 | 0 |
| EL | 0 | 0 | 55 | 0 | 0 |
| CPLO | 0 | 0 | 0 | 28 | 0 |
| MR | 0 | 0 | 0 | 0 | 39 |
| Chemical composition | |||||
| DM (g/kg fresh) | 597 | 599 | 598 | 598 | 598 |
| Organic matter | 884 | 881 | 884 | 884 | 884 |
| CP | 185 | 186 | 185 | 189 | 189 |
| NDF | 348 | 333 | 328 | 339 | 338 |
| ADF | 207 | 195 | 191 | 199 | 198 |
| Starch | 133 | 133 | 136 | 136 | 137 |
| Water soluble carbohydrates | 25.4 | 26.9 | 26.1 | 25.8 | 25.8 |
| ME (MJ/kg DM) | 11.8 | 12.0 | 12.1 | 11.7 | 11.7 |
| Fatty acids | |||||
| 16:0 | 6.6 | 13.7 | 7.1 | 9.7 | 8.0 |
| 18:0 | 0.78 | 1.37 | 1.15 | 1.32 | 1.04 |
| 18:1 cis-9 | 6.1 | 11.5 | 7.9 | 12.3 | 13.7 |
| 18:2 n-6 | 8.6 | 10.2 | 9.3 | 10.6 | 11.2 |
| 18:3 n-3 | 4.4 | 4.4 | 6.6 | 7.9 | 5.4 |
| Total fatty acids | 32.6 | 47.3 | 38.0 | 48.0 | 45.9 |
CPO=calcium salts of palm oil distillate; EL=extruded linseed; CPLO=calcium salts of palm and linseed oil distillate; MR=milled rapeseed; DM=dry matter; ME=metabolisable energy; DDGS=dried distillers grains with solubles.
1
Containing (g/kg DM): cracked wheat, 102; DDGS wheat, 43; soya bean meal 67; rapeseed meal, 73; palm kernel meal, 32; molassed sugar beet feed, 32; soya hulls, 30; Megalac®, 7; molasses, 17; urea, 5; minerals (KW Alternative Feeds Ltd, Barrow Hill Barns, Andover, UK), 9.
2
Dairy Direct, Church Farm, Bury St Edmunds, UK.