Table 2. Summary of the number of animals used in this study.

		3BCs	BC1_LD	BC1_DU	BC1_PI
Sex	Female	186	65	63	58
	Male	169	49	59	61
Genotype	AA	131	4	61	66
	GA	148	39	56	53
	GG	76	71	5	0
Paternal Allele	A	145	23	61	61
	G	182	91	44	47

Number of animals are according to sex (n = 355), the IGF2:g.3072G>A polymorphism genotype (n = 355) and the paternal allele genotype (n = 355).