TABLE 1.
Chemical composition of concentrates and grass along with ingredient inclusion rate of concentrates fed during the experiment.
| BP35 | BP95 | Pasture | |
| Chemical composition (% of DM unless stated) | |||
| Dry matter | 90.5 | 92.1 | 21.6 |
| Crude protein | 16.85 | 16.73 | 25.01 |
| Neutral detergent fiber | 32.22 | 53.37 | 46.79 |
| Acid detergent fiber | 15.89 | 31.76 | 21.31 |
| Water soluble carbohydrates | 0 | 0 | 15.5 |
| Starch (g) | 200 | 30 | 0 |
| Ether extract | 2.51 | 5.6 | 3.1 |
| Ash | 7.35 | 7.75 | 10.26 |
| Gross energy (MJ/kg DM) | 16.92 | 17.73 | 16.97 |
| Ingredient inclusion rate of concentrates | |||
| Barley | 45.0 | 0.0 | – |
| Soybean meal | 12.0 | 0.0 | – |
| Distillers dried grain | 11.6 | 31.0 | – |
| PKE | 11.6 | 31.0 | – |
| Soybean hulls | 11.6 | 31.0 | – |
| Molasses | 5.0 | 5.0 | – |
| Calcined magnesite | 0.8 | 0.8 | – |
| Salt | 0.7 | 0.7 | – |
| Palm oil | 0.6 | 0.6 | – |
| Lime flour | 0.5 | 0.2 | – |
| Mono-calcium di-phosphate | 0.3 | 0.0 | – |
| Vitamin and mineral premix | 0.5 | 0.5 | – |
BP35 = Ration containing 35% by-products. BP95 = Ration containing 95% by-products. Vitamin and mineral premix contained: 33.9% Ca, 500 mg Co/kg, 7,400 mg Cu/kg, 2,000 mg I/kg, 130 mg Se/kg, 10,000 mg Mg/kg, 25,000 mg Zn kg, 1600,000 iu Vitamin A/kg, 400,000 iu Vitamin D3/kg and 2,000 mg Vitamin E/kg.