Table 1. The effects of breed and age on actual laying rate in Korean indigenous chickens

Factor	Level	Laying rate
Breed	Cornish	10.24±9.58^c
	Korean Native Chicken	33.2±14.64^b
	White Leghorn	54.13±12.23^a
	Rhode Island Red	35.62±14.7^b
Age (week)	18~29	28.29±19.73^b
	30~39	37.07±19.66^a
	40~65	37.86±19.62^a

The different letters of superscript within the column significantly differ (P<0.01).