Table 1.
Ingredients and chemical composition of the experimental diets used in the Rusitec fermenters.
| Item | Diet | |
|---|---|---|
| CON | COC | |
| Ingredients (g/kg DM) | ||
| Alfalfa hay | 200 | 200 |
| Maize silage | 200 | 67 |
| Barley straw | 100 | 67 |
| Olive cake | - | 166 |
| Soybean meal | 147 | 147 |
| Extruded maize | 134 | 134 |
| Barley | 200 | 200 |
| Mineral/vitamin premix 1 | 10 | 10 |
| Calcium soap of fatty acids | 9 | 9 |
| Chemical composition (g/kg DM) | ||
| Organic matter | 943 | 929 |
| Crude protein | 161 | 160 |
| Neutral detergent fiber 2 | 324 | 322 |
| Acid detergent fiber 2 | 163 | 155 |
| Ether extract | 28.2 | 45.0 |
1 Declared composition (g/kg mineral/vitamin premix): vitamin A, 600,000 IU; Vitamin E, 1 g; Vitamin B1, 33 mg; Vitamin D3, 120,000 IU; Niacine, 1.5 g; S, 5 g; ZnO, 4 g; IK, 300 mg; SO4Fe, 1 g; MnO, 2 g; Na2SeO3, 30 mg; CoSO4, 60 mg; Ethoxyquin, 30 mg. 2 Expressed exclusive of residual ash.