Table 2. Genome-wide significant single-nucleotide polymorphisms for the tested traits

Traits	SNP ID	Chr	Position (bp)	Allele 1	Allele 2	MAF	SNP effect	p-value
Essential FAAs	Gga_rs15943371	2	33,096,495	T	C	0.38	0.25	6.08 × 10−7
Essential FAAs	Gga_rs14162297	2	33,432,575	T	C	0.42	0.24	7.12 × 10−7
Essential FAAs	Gga_rs16609168	7	31,241,647	C	T	0.26	0.29	8.09 × 10−7
Arginine	Gga_rs16609168	7	31,241,647	C	T	0.26	0.32	2.16 × 10−8
Arginine	Gga_rs13971906	1	170,582,107	A	G	0.36	0.24	1.54 × 10−6
Inosine	GGaluGA265714	4	74,314,272	G	A	0.39	−0.32	1.63 × 10−8
Inosine	GGaluGA265712	4	74,285,145	A	G	0.39	−0.32	2.08 × 10−8
Inosine	GGaluGA265969	4	75,827,200	T	C	0.30	−0.34	4.08 × 10−8
Inosine	Gga_rs13971906	1	170,582,107	A	G	0.36	0.30	1.27 × 10−6
Glycine	GGaluGA028030	1	81,831,988	T	C	0.06	0.16	9.37 × 10−8
Threonine	Gga_rs14412837	3	108,537,571	G	A	0.50	−0.06	3.47 × 10−7

Chr, chromosome; bp, base pair; Allele 1, minor allele; Allele2, major allele; MAF, minor allele frequency; SNP, single nucleotide polymorphism; FAA, free amino acids.