Table 1.
Ingredients and chemical composition of the experimental diets.
| LE | HE | |
|---|---|---|
| Ingredients % | ||
| Pelleted alfalfa hay | 98.0 | 65.0 |
| Maize meal | - | 16.0 |
| Barley meal | - | 8.0 |
| Soybean meal | - | 3.0 |
| 7Carob pulp | - | 3.0 |
| Corn gluten meal | - | 3.0 |
| Vitamin-mineral premix | 2.0 | 2.0 |
| Chemical composition | ||
| Dry matter % | 89.0 | 87.0 |
| Crude protein % dry matter (DM) | 15.7 | 15.8 |
| Neutral detergent fiber % DM | 55.2 | 45.0 |
| Lignin % DM | 12.8 | 7.0 |
| Crude lipids % DM | 1.8 | 2.5 |
| Ash % DM | 8.8 | 8.2 |
| NEl1 kcal/kg DM | 1151.1 | 1404.1 |
LE, low energy level; HE, high energy level; 1 Nel, net energy for lactation [18].