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Table 1 Characterisation of performance, body composition, intake and efficiency (Least square means and SEM)

From: A comparative analysis of the transcriptome profiles of liver and muscle tissue in pigs divergent for feed efficiency

Trait Low Highb SEM P-value
Farm A 27 18c   
RFI −0.14 0.19 0.08 0.001
ADFIa 2.00 2.34 0.04 0.001
MBW 32.71 32.05 0.63 0.956
ADG 0.99 0.99 0.02 0.874
FCR 2.03 2.36 0.02 0.001
BW 76.62 77.70 1.36 0.833
Farm B 28 35   
RFI −0.18 0.20 0.016 0.001
ADFIa 1.87 2.34 0.05 0.0001
MBW 10.94 11.20 0.19 0.3662
ADG 0.950 1.01 0.031 0.2112
BW 90.45 96.08 2.378 0.1086
  1. a ADFI Average daily feed intake, MBW Mid-test metabolic body weight, ADG Average daily gain, RFI Residual feed intake, BW Body weight
  2. b High = RFI was > 0.5 SD above the mean; medium = RFI was ± 0.5 SD above and below the mean; low = RFI was < −0.5 SD below the mean
  3. c Number of animals in each RFI group