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Table 2 Feed intake, RFI and growth traits for the low and high RFI steers for which RNA-Seq libraries were successfully generated during different dietary phases

From: The effect of breed and diet type on the global transcriptome of hepatic tissue in beef cattle divergent for feed efficiency

Trait Diet-Breed Low High P-value
DMI (kg/d) H1.CH 7.5 (n = 9) 9.1 (n = 11) < 0.001
H1.HF 7.7 (n = 7) 9.7 (n = 9) < 0.001
ZG.CH 8.4 (n = 3) 9.7 (n = 3) 0.07
ZG.HF 8.8 (n = 10) 10.3 (n = 8) < 0.001
H2.CH 10.5 (n = 9) 12.9 (n = 8) < 0.001
H2.HF 10.8 (n = 5) 13.6 (n = 8) 0.002
RFI (kg DM/d) H1.CH −0.8 0.8 < 0.001
H1.HF −0.9 0.8 < 0.001
ZG.CH −0.5 0.5 < 0.001
ZG.HF −0.7 0.7 < 0.001
H2.CH −1.1 1.2 < 0.001
H2.HF −1.9 1.3 < 0.001
ADG (kg) H1.CH 1.3 1.3 0.9
H1.HF 1.4 1.2 0.2
ZG.CH 1.3 1.3 0.6
ZG.HF 1.3 1.2 0.2
H2.CH 1.4 1.4 0.8
H2.HF 1.3 1.4 0.7
MBW (kg) H1.CH 95 95 0.76
H1.HF 81 80 0.59
ZG.CH 113 118 0.53
ZG.HF 105 104 0.55
H2.CH 137 142 0.45
H2.HF 130 127 0.56
  1. DMI dry matter intake, RFI residual feed intake, ADG average daily gain, MBW metabolic body weight, CH Charolais, HF Holstein-Friesian, Low low RFI, High high RFI, H1 high concentrate diet 1, H2 high concentrate diet 2, ZG zero-grazed grass diet