| AL1 | LL |
| P3 | |||||
| −LY | +LY | −LY | +LY | SEM2 | D | LY | D × LY | |
Measured parameters | |||||||||
Intake |
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| |
OM, kg/d | 18.5 | 19.8 | 19.9 | 18.1 | 0.61 | 0.44 | 0.55 | 0.14 | |
N, g/d | 520.8 | 561.4 | 549.3 | 504.7 | 16.8 | 0.95 | 0.73 | 0.09 | |
Fecal excretion |
|
|
|
|
|
|
|
| |
OM, kg/d | 5.6 | 5.5 | 6.7 | 5.4 | 0.20 | 0.003 | 0.007 | 0.09 | |
N, g/d | 128.5a | 135.2a | 232.9c | 185.9b | 11.2 | <0.0001 | 0.03 | 0.03 | |
Total tract digestibility |
|
|
|
|
|
|
|
| |
OM, % | 69.5 | 71.9 | 66.3 | 70.0 | 0.58 | 0.005 | 0.003 | 0.66 | |
N, % | 75.1 | 75.9 | 57.9 | 63.8 | 1.6 | <0.0001 | 0.01 | 0.15 | |
Estimated parameters | |||||||||
Potential ruminal degradation | |||||||||
OM, % of OM intake | 62.6c | 62.1c | 56.9a | 55.6b | 0.75 | <0.0001 | 0.004 | 0.03 | |
N, % of N intake | 56.2 | 55.6 | 36.0 | 30.8 | 2.2 | <0.0001 | 0.001 | 0.25 | |
Amount going out of the rumen4 | |||||||||
OM, kg/d | 7.0 | 7.6 | 8.7 | 8.1 | 0.28 | 0.0001 | 0.87 | 0.39 | |
N, g/d | 228.1 | 249.1 | 350.5 | 345.0 | 13.4 | <0.0001 | 0.29 | 0.13 | |
Post-ruminal disparition5 | |||||||||
OM, % | 18.2 | 26.0 | 21.6 | 32.4 | 1.5 | 0.05 | 0.001 | 0.43 | |
N, % | 42.3 | 45.8 | 39.7 | 47.3 | 1.6 | 0.21 | 0.02 | 0.96 | |