Table 2.

Genetic parameter estimation for the growth and feeding traits

Traitsc	No.d	Heritability (±S.E.)	RFI during44-83-d old (g)
RFI during44-83-d old (g)	1158	0.3542 ± 0.0701	/
ADFI (g)	1158	0.3950 ± 0.0749	0.7266a/0.7544 ± 0.0718b
Body weight at 44-d old (g)	1158	0.5598 ± 0.0848	−0.0293/−0.2059 ± 0.1462
Body weight at 83-d old (g)	1158	0.3683 ± 0.0765	0.0247/0.0314 ± 0.1649
ADG (g)	1158	0.3186 ± 0.0723	0.0286/0.2725 ± 0.1626
MMBW (g0.75)	1158	0.4706 ± 0.0821	0.0126/−0.0233 ± 0.1563
FCR during 44–83-d old	1158	0.2159 ± 0.0594	0.6558/0.7465 ± 0.0902

^aPearson correlation

^bGenetic correlation (average ± S.E.)

^c RFI residual feed intake, ADFI average daily feed intake, ADG average daily gain, MBW mid-test body weight, FCR feed conversion rate

^d Number of samples for estimating heritability