Items | FMS kg/d of dry mater | SEM | P-value | |||
---|---|---|---|---|---|---|
0 | 0.2 | 0.4 | 0.6 | |||
Roughage Intake (DM basis) | ||||||
Kg/d | 3.13 ± 0.84 | 3.23 ± 0.97 | 3.40 ± 0.89 | 3.58 ± 0.70 | 1.00 | 0.47 |
Body weight (%) | 1.81 ± 0.25 | 1.97 ± 0.22 | 1.89 ± 0.34 | 2.14 ± 0.11 | 0.60 | 0.44 |
Concentrate Intake | ||||||
kg/d | 0.90 ± 0.17 | 0.90 ± 0.17 | 0.90 ± 0.17 | 0.90 ± 0.17 | 0.00 | 0.00 |
Body weight (%) | 0.50 ± 0.03 | 0.50 ± 0.03 | 0.50 ± 0.03 | 0.50 ± 0.03 | 0.00 | 0.00 |
Total Intake | ||||||
Kg/d | 4.00 ± 0.98 | 4.30 ± 1.13 | 4.10 ± 1.03 | 4.50 ± 0.85 | 1.00 | 0.48 |
Body weight (%) | 2.32 ± 0.24 | 2.48 ± 0.22 | 2.41 ± 0.35 | 2.60 ± 0.21 | 0.06 | 0.44 |
Digestibility (%) | ||||||
Dry matter | 54.11 ± 1.49a | 58.61 ± 0.68b | 62.30 ± 2.57c | 63.62 ± 2.49c | 0.21 | 0.001 |
Organic matter | 58.20 ± 0.46a | 64.40 ± 0.42b | 68.40 ± 2.10c | 71.45 ± 0.66d | 0.29 | 0.001 |
Crude protein | 53.80 ± 0.65a | 55.60 ± 0.32b | 57.10 ± 0.17c | 58.70 ± 0.32d | 0.10 | 0.001 |
Neutral detergent fiber | 50.00 ± 0.81a | 51.90 ± 0.92ab | 54.00 ± 0.56ab | 55.40 ± 1.89c | 0.12 | 0.05 |
Acid detergent fiber | 45.80 ± 0.28a | 47.30 ± 0.54b | 49.60 ± 0.88c | 52.80 ± 0.54d | 0.15 | 0.001 |