Estimation of Genetic Parameters for Economic Traits in Korean Native Chickens

Abstract

The data used in this study were collected from 5 different strains of KNC raised at Daejeon branch of National Livestock Research Institute, Rural Development Administration, Rep. of Korea. The five different strains are RB, YB, GB, B and W. From these strains, the performance-tested records have been collected for 7 generations from 1995 to 2001. The number of animals and records by trait and strain were shown in Table The analyzed traits were age at first egg, body weight at first egg, body weight at age 270 days, egg weight at first egg, egg weight at age 270 days, and number of eggs laid by age 270 days.