Item | Period 1 (week 5) | SEM | Period 2 (week 9) | SEM | ||||||
---|---|---|---|---|---|---|---|---|---|---|
P1 | P2 | P3 | P4 | P1 | P2 | P3 | P4 | |||
Feed | ||||||||||
DMI (kg/day) | 1.17 | 1.27 | 1.20 | 1.40 | 0.07 | 1.32 | 1.39 | 1.36 | 1.40 | 0.03 |
DMI (kg DMI/kg BW) | 0.027 | 0.029 | 0.027 | 0.031 | 0.002 | 0.030 | 0.031 | 0.030 | 0.030 | 0.0002 |
DMI (kg DMI/kg MW) | 0.070 | 0.074 | 0.070 | 0.081 | 0.004 | 0.077 | 0.080 | 0.078 | 0.079 | 0.002 |
Feed Efficiency (kg Milk/kg DMI) | 0.92 | 0.83 | 0.92 | 0.85 | 0.08 | 0.83ab | 0.74b | 0.85ab | 0.98a | 0.07 |
DM digestibility (%) | 66.25 | 66.16 | 67.56 | 67.86 | 0.55 | 66.31b | 67.07ab | 67.15ab | 67.56a | 0.28 |
OM digestibility (%) | 68.26ab | 67.60b | 68.26ab | 68.71a | 0.26 | 67.40b | 67.94b | 68.82a | 68.97a | 0.29 |
Weight characteristics | ||||||||||
BW (kg) | 43.00 | 44.42 | 44.74 | 44.80 | 0.87 | 43.72 | 45.12 | 45.58 | 45.76 | 0.86 |
BW gain (kg/day) | 0.002 | 0.016 | 0.010 | 0.007 | 0.004 | 0.034 | 0.033 | 0.040 | 0.046 | 0.004 |