Table 4.

Candidate genes surround the significant SNPs from GWAS of head size related traits.

Traits	SNP	LG	Gene name	Gene_start	Gene_end	Annotation
Head length	snp073184	6	parv	21930290	21932698	Parvalbumin
	snp030911	6	il3rb2	21985537	21993706	Interleukin-3 receptor class 2 subunit beta
	snp166316	50	srpk2	18957041	18972205	SRSF protein kinase 2
HBR	snp156398	24	psd	1637666	1672415	PH and SEC7 domain-containing protein 1
Eye diameter	snp164489	27	fsrp-5	11919251	11998304	Follistatin-related protein 5
	snp068026	35	alpk3	10821041	10832834	Alpha-protein kinase 3
	snp186892	6	prrt2	19299096	19303281	Proline-rich transmembrane protein 2
	snp240725	46	slco4a1	14889976	14901592	Solute carrier organic anion transporter family member 4A1
Eye cross	snp068026	35	frmd5	10849629	10943834	FERM domain-containing protein 5
	snp110292	50	gramd2	17738573	17757106	GRAM domain-containing protein 2
	snp166316	50	srpk2	18957041	18972205	SRSF protein kinase 2

HBR, head length/body length ratio.