Table 5. Effects of single nucleotide polymorphism (SNP) of the enzyme fatty acid desaturase 1 (FADS1) on the fatty acid profile of yolk in Suruga-shamo chicken eggs (mean±SE).

SNP type	G	A
SNP Frequency	0.802	0.198
Fatty acid % of total analyzed fatty acids
AA	0.977±0.010	0.913±0.031*
n-6/n-3 PUFA	3.698±0.069	4.093±0.193*

^*statistically significant at P=0.05.

AA, arachidonic acid; PUFA, polyunsaturated fatty acids; G, guanine; A, adenine.