Table 1. Comparison of survival rates between early-feathering (EF) and late-feathering (LF) Korean native chickens

Sources		Growing period (0~15 wk, %)	Laying period (16~52 wk, %)	Hatching to 52 wk (0~52 wk, %)
♂	EF	96.14±5.40	85.30±6.86	81.94±7.11
	LF	97.65±4.66	91.20±9.32	89.26±11.71
♀	EF	95.21±6.44	93.68±9.28	89.19±10.63
	LF	96.14±6.61	98.00±4.41	94.52±6.78
Sex (S)	♂	96.82±5.01	87.96±8.39b	85.24±9.91b
	♀	95.55±13.25	94.80±13.93a	90.57±14.37a
P	0.4305	0.0020	0.0378
Feathering (F)	EF	95.40±6.21	91.97±9.42b	87.71±10.38b
	LF	96.94±5.87	95.45±7.21a	92.55±9.08a
P	0.3762	0.0220	0.0166
S × F	P	0.9493	0.7235	0.7068

Values (Means±SD) with different superscript within the same column significantly differ.