Article
Long-term divergent selection for residual feed intake in Chinese broiler chickens.
Poultry science - 1 Mar 2023
Zou Xian, Liu Tianfei, Li Ying, Chen Peng, Yan Xia, Ma Jie, Ji Jian, Qu Hao, Cai Manshan, He Yanhua, He Jingyi, Xu Xinchun, Lin Chuxiao, Zhou Guangyuan, Shu Dingming, Luo Chenglong
Abstract excerpt
This study aimed to assess the effect of inbreeding on production traits using a long-term closed-line population recorded for residual feed intake (RFI). The study first used data from a previously reported population to determine the appropriate period of divergent selection for RFI. The results showed that RFI had similar moderate heritability estimates (0.28-0.34) during the fast-growing period (7-12 wk), and...
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