Table 1. Description of the 18 chicken populations used in this study

Sort	Abbreviation	Populations	No. of sample	Genetic origin	Source
Imported chicken	ARA	Araucana	32	Chile	NIAS
	RRC	Rhode Island Red	32	USA	NIAS
	RRD	Rhode Island Red	32	USA	NIAS
	LGF	White Leghorn	32	Italy	NIAS
	LGK	White Leghorn	32	Italy	NIAS
	COS	Cornish Brown	32	UK	NIAS
	COH	Cornish Black	32	UK	NIAS
Korean native chicken	KNG	Korean Grayish-Brown	32	Korea	NIAS
	KNB	Korean Black	32	Korea	NIAS
	KNR	Korean Reddish-Brown	32	Korea	NIAS
	KNW	Korean White	32	Korea	NIAS
	KNY	Korean Yellowish-Brown	32	Korea	NIAS
	KNO	Korean Ogye	32	Korea	NIAS
	HIC	Hyun-in Black	32	Korea	Hyun-in farm
	HYD	Hoengseong Yakdak	32	Korea	Hoengseong farm
	HBC	Hwangbong	30	Korea	Hwangbong farm
	JJC	Jeju Native Chicken	23	Korea	JLDI
	LTC	Long Tail Chicken	15	Korea	Poongdong farm

NIAS : National Institute of Animal Science.
JLDI : Jeju Livestock Development Institute.