Table 4. Laying percentage, egg weight (EW) and egg mass production (Egg mass) of Korean Leghorn (LEG), Gyeongbuk Araucana (ARA), Korean native chicken (KNC), Korean ogye (Ogye), Hyuindak (HIL), and Heongseongyakdak (HYD)

Parameters	LEG	ARA	KNC	Ogye	HIL	HYD	P-value¹
Laying (%)	65.8±20.3^a	53.2±13.7^ab	51.0±18.2^ab	32.9±10.0^bc	45.1±17.7^ab	11.8±4.1^c	<.0001
EW at 24 wks (g)	48.2±2.9^a	47.0±3.5^a	40.4±3.4^b	37.6±4.0^b	38.4±3.4^b	-	<.0001
EW at 28 wks (g)	51.0±2.9^a	51.4±4.5^a	43.2±3.1^b	43.1±3.6^b	40.8±3.8^b	-	<.0001
EW at 32 wks (g)	53.1±2.7^a	54.8±3.8^a	46.2±2.9^b	45.5±3.2^bc	43.5±3.3^c	-	<.0001
EW at 36 wks (g)	54.6±2.6^a	56.8±4.3^a	47.9±3.3^b	47.3±4.3^b	45.2±3.7^bc	41.6±4.0^c	<.0001
EW at 40 wks (g)	54.8±2.2^a	58.2±3.8^a	49.7±3.3^b	47.4±3.0^bc	46.2±3.1^bc	43.9±1.9^c	<.0001
EW average (24~40 wks, g)	52.5±2.5^a	54.8±4.3^a	45.4±3.1^b	44.5±4.6^b	42.4±4.2^b	42.7±2.3^b	<.0001
Egg mass (kg/hen/d)	3.5±0.9^a	2.9±0.7^ab	2.4±0.7^bc	1.5±0.4^c	1.9±0.8^c	0.5±0.2^d	<.0001

P-values indicate the variation in each parameters across the six breeds compared by ANOVA.
Within a row, value with different superscripts differ (Scheffe’s test, P<0.05).