Table 1.
Survival rate and egg production performance of the 5 Korean native chicken breed

Breeds	Survival rate (%)	Age at first egg laying (d)	Ave. hen-day egg production from 22 to 50 wks (%)	Egg weight at 32 wks (g)
Korean Rhode Island Red	99.0±0.0	127.9±2.7b	60.7±11.4b	56.7±3.6ab
Korean White Leghorn	96.5±3.8	120.0±1.8d	74.8±12.6a	59.3±4.2a
Korean Ogye	91.1±7.8	127.5±2.4b	36.4±10.7c	48.2±3.7c
Korean Brown Cornish	93.0±8.4	143.1±5.3a	9.9±5.8d	55.3±5.8b
Hwanggalsaek Jaeraejong	95.1±3.1	122.3±3.6c	41.8±15.1c	50.3±2.8c
Means	94.9±5.3	128.6±9.0	44.7±24.8	54.5±5.4