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Table 2 Body measurements and growth performance during preweaning period in least-efficient (L-eff, n = 13) or most-efficient (M-eff, n = 13) heifer calves

From: Residual feed intake divergence during the preweaning period is associated with unique hindgut microbiome and metabolome profiles in neonatal Holstein heifer calves

WeekRFISEM1P-value
 L-effM-eff RFITimeRFI × Time
Weekly body weight, kg
 143.6242.311.360.30< 0.010.11
 246.2544.911.36   
 350.3849.481.36   
 456.3954.691.36   
 561.7659.721.36   
 667.4163.381.36   
Weekly body length, cm
 1111.82111.371.590.89< 0.010.90
 2114.81115.921.59   
 3117.99118.311.59   
 4121.18122.191.59   
 5125.17125.011.59   
 6128.54128.471.59   
Weekly hip height, cm
 181.4281.900.820.98< 0.010.40
 283.0683.520.82   
 384.5784.300.82   
 485.8885.360.82   
 587.4587.490.82   
 689.5489.180.82   
Weekly hip width, cm
 116.4916.160.320.11< 0.010.34
 217.7417.610.32   
 318.8818.180.32   
 419.5618.840.32   
 520.3619.600.32   
 621.3320.360.32   
Weekly wither height, cm
 177.5077.800.800.81< 0.010.53
 278.2979.250.80   
 380.5480.600.80   
 481.6481.640.80   
 583.2583.450.80   
 685.0885.140.80   
Weekly body weight gain2, kg/d
 10.10b0.37a0.100.94< 0.01< 0.01
 20.380.370.10   
 30.590.650.10   
 40.860.750.10   
 50.770.720.10   
 60.91a0.52b0.10   
 Cumulative body weight gain, kg23.8323.680.500.94  
 Cumulative starter DMI, kg19.9810.901.66< 0.01  
  1. 1Standard error of the mean
  2. 2Average daily gain per week (kg) = (final BW – initial BW)/7
  3. a,bDifferent letters indicate significant differences due to the main maternal effect (P < 0.05)