This study was conducted to evaluate the productivity of Korean native chicken (KNC) 2 strains crossbred. The number of chicks analyzed in this study was 300. Crossbreds used in this studywere A) KNC R strains × KNC meat type S strains, B) KNC egg-meat D strains × KNC meat type H strains, C) KNC egg-meat D strains × KNC meat type S strains, D) KNC egg-meat C strains × KNC native Y strains, and E) KNC native Y strains × KNC meat type H strains. The crossbreds C had the highest performance on body weight gains at 7~10 weeks but crossbreds D showed the lowest (p
