Table 1.
Basic statistics for economical traits in L, F and K strains

Traits1	Strain2	N3	Mean	SD3	Min	Max	CV (%)3
BW150 (g)	L	7,009	1,714	298.3	880	2,560	17.4
	F	7,314	1,409	155.8	980	1,835	11.1
	K	7,453	1,363	153.2	950	1,785	11.2
BW270 (g)	L	6,984	2,032	377.0	940	3,100	18.6
	F	7,405	1,599	221.4	980	2,210	13.8
	K	7,686	1,560	220.1	940	2,175	14.1
DAY1st (days)	L	5,786	153	16.3	109	202	10.7
	F	6,745	140	11.3	111	173	8.1
	K	6,868	144	11.9	114	180	8.3
EW1st (g)	L	6,542	37	4.4	25	49	11.9
	F	7,205	38	3.8	29	48	9.9
	K	7,490	39	3.6	29	48	9.4
EW270 (g)	L	6,501	54	4.9	40	67	9.1
	F	6,487	63	4.7	51	75	7.4
	K	7,031	61	4.4	49	73	7.3
EP270 (eggs)	L	5,786	76	20.4	21	135	26.8
	F	6,745	100	21.2	33	139	21.3
	K	6,868	99	18.4	42	136	18.6

BW150 (g), body weight at 150 days; BW270 (g), body weight at 270 days; DAY1st (days), age at first egg; EW1st (g), egg weight at first egg; EW270 (g), egg weight at 270 days; EP270 (eggs), number of eggs laid by 270 days.
L, Black Korean native chicken; F, K, Korean White Leghorn.
N, The number of data; SD, Standard deviation; CV, Coefficient of variation.