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

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

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