Table 1.

Summary statistics for serum lipid traits in the tested samples

Trait	White Duroc × Erhualian F2intercross			Sutai
	N	mean ± SD	h 2*	N	mean ± SD	h 2
LDL-C	682	1.31 ± 0.27	0.48	393	1.27 ± 0.27	0.71
HDL-C	681	1.13 ± 0.23	0.37	393	1.37 ± 0.29	0.63
HDL-C/LDL-C	681	0.90 ± 0.21	0.44	393	1.11 ± 0.26	0.68
TG	682	0.28 ± 0.15	0.43	393	0.27 ± 0.12	0.31
TC	654	2.67 ± 0.43	0.47	393	2.34 ± 0.36	0.70

*h ², heritability estimates