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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