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| Research Progress on Genetic Characteristics and Genes Regulation of Abdominal Fat in Broiler Chickens (Gallus gallus) |
| TIAN Wei-Hua, NIE Rui-Xue, ZHANG Wen-Hui, LING Yao, TIAN Hao-Yu, ZHANG Bo, ZHANG Hao*, WU Chang-Xin |
| College of Animal Science and Technology, China Agricultural University, Beijing 100193, China |
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Abstract Excessive abdominal fat deposition in broiler chickens (Gallus gallus) hinders feed conversion rate, meat quality, egg production performance, fertility and hatchability, resulting in feed waste and environmental pollution. Therefore, on the basis of maintaining good growth performance of broilers, it has become a major problem to be solved in broiler industry to improve the excessive abdominal fat deposition and cultivate lean broilers. This paper mainly reviewed the genetic rule of abdominal fat trait, reviewed the candidate genes and non-coding RNAs responsible for abdominal fat deposition, and discussed the key points and future perspectives of molecular breeding of lean broilers, so as to provide references for the genetic selection of lean broiler breeding.
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Received: 19 January 2023
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Corresponding Authors:
*zhanghao827@163.com
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