Inclusion level of citrus pulp (%) | Roughage | ||||||
Nutrient | Control | 7 | 14 | 21 | 28 | Hay 1 | Hay 2 |
Dry matter | 89.24 | 90.01 | 90.68 | 90.41 | 90.83 | 86.56 | 86.52 |
Calcium | 0.31 | 0.32 | 0.36 | 0.55 | 0.73 | ||
Phosphorus | 0.32 | 0.34 | 0.31 | 0.28 | 0.25 | ||
Ash | 4.33 | 4.38 | 4.77 | 5.15 | 5.53 | 7.32 | 7.69 |
Crude protein | 15.27 | 15.72 | 12.62 | 12.86 | 12.25 | 7.68 | 11.92 |
Crude fiber | 5.02 | 5.78 | 5.80 | 6.05 | 6.97 | 32.5 | 34.32 |
Ether extract | 3.76 | 3.89 | 3.50 | 2.92 | 2.78 | 1.03 | 0.87 |
Nitrogen-free extract | 70.96 | 70.23 | 73.31 | 73.02 | 72.47 | 48.25 | 45.2 |
Neutral detergent fiber | 15.92 | 15.86 | 15.62 | 15.47 | 16.44 | 79.8 | 78.23 |
Acid detergent fiber | 12.43 | 12.89 | 12.87 | 12.55 | 12.7 | 41.79 | 54.5 |
Non-fibrous carbohydrates | 60.72 | 60.15 | 63.49 | 63.60 | 63.00 | 4.00 | 1.29 |
Soluble carbohydrates | 3.10 | 2.88 | 4.89 | 5.91 | 6.19 | 2.08 | 2.27 |
Hemicellulose | 3.49 | 2.97 | 2.75 | 2.92 | 3.74 | 38.01 | 23.73 |
Energy (Mcal/kg) | 3.51 | 3.51 | 3.46 | 3.40 | 3.33 | 1.92 | 1.74 |
Chemical composition and carbohydrate fractions of the experimental diets (roughage: concentrate ratio of 60:40) | |||||||
Dry matter | 86.98 | 87.10 | 87.21 | 87.16 | 87.22 | ||
Ash | 6.21 | 6.23 | 6.39 | 6.54 | 6.69 | ||
Crude protein | 11.73 | 11.91 | 10.67 | 10.77 | 10.53 | ||
Ether extract | 2.08 | 2.14 | 1.98 | 1.75 | 1.69 | ||
Nitrogen-free extract | 56.60 | 56.31 | 57.54 | 57.43 | 57.21 | ||
Neutral detergent fiber | 53.87 | 53.85 | 53.75 | 53.69 | 54.08 | ||
Acid detergent fiber | 33.10 | 33.28 | 33.27 | 33.14 | 33.20 | ||
Non-fibrous carbohydrates | 26.04 | 25.81 | 27.15 | 27.19 | 26.95 | ||
Soluble carbohydrates | 2.53 | 2.45 | 3.25 | 3.66 | 3.77 | ||
Hemicellulose | 20.77 | 20.57 | 20.48 | 20.55 | 20.87 | ||
Energy (Mcal/kg) | 2.51 | 2.51 | 2.49 | 2.47 | 2.44 |