Multi-breed genome-wide association study reveals novel loci associated with the weight of internal organs

Table 1 Descriptive statistics for the traits in pigs from five populations

Population	Trait	Heart weight	Liver weight	Spleen weight	Kidney weight	Carcass weight
F2	Nb individuals	924	923	920	923	928
	Mean ± SD	0.34 ± 0.07	1.39 ± 0.27	0.13 ± 0.03	0.28 ± 0.06	34.65 ± 7.19
	h ²	0.56**	0.40**	0.54**	0.35**	0.37**
Sutai	Nb individuals	436	436	434	436	436
	Mean ± SD	0.28 ± 0.06	1.11 ± 0.24	0.15 ± 0.04	0.25 ± 0.04	50.98 ± 13.01
	h ²	0.41**	0.49**	0.56**	0.41**	0.41**
Laiwu	Nb valid individuals	317	302	317	317	317
	Mean ± SD	0.28 ± 0.04	1.16 ± 0.21	0.12 ± 0.05	0.23 ± 0.04	61.40 ± 12.05
	h ²	0.25**	0.38**	0.34**	0.52**	0.34**
Erhualian	Nb valid individuals	332	312	333	332	333
	Mean ± SD	0.31 ± 0.05	1.24 ± 0.24	0.17 ± 0.04	0.27 ± 0.06	66.2 ± 11.40
	h ²	0.51**	0.36**	0.43*	0.44**	0.45**
DLY	Nb valid individuals	609	610	604	0	609
	Mean ± SD	0.40 ± 0.05	1.68 ± 0.21	0.18 ± 0.04	–	84.95 ± 8.40
	h ²	0.5**	0.53**	0.46**	–	0.22*

ISSN: 1297-9686