Estimation of Genetic Parameters for Body Weight and Its Stability in Huaxi Cows from Xinjiang Region
文献类型： 外文期刊
作者： Feng, Ye 1 ; Zhao, Wenjuan 2 ; Lu, Xubin 1 ; Gao, Xue 3 ; Zhang, Qian 2 ; Zhang, Bin 2 ; Wang, Bao 2 ; Zhong, Fagang 2 ; Han, Mengli 2 ; Chen, Zhi 1 ;
作者机构： 1.Yangzhou Univ, Coll Anim Sci & Technol, Yangzhou 225009, Peoples R China
2.Xinjiang Acad Agr & Reclamat Sci, State Key Lab Sheep Genet Improvement & Hlth Prod, Shihezi 832000, Peoples R China
3.Chinese Acad Agr Sci CAAS, Inst Anim Sci IAS, Cattle Genet & Breeding Grp, Beijing 100193, Peoples R China
关键词： adult weight; birth weight; heritability; genetic analysis; West China cattle
期刊名称：ANIMALS （ 影响因子：2.7； 五年影响因子：3.2 ）
ISSN： 2076-2615
年卷期： 2025 年 15 卷 15 期
页码：
收录情况： SCI
摘要： In this study, we analyzed data from 2992 cows to comprehensively evaluate the adult weight (WEI), a key growth and body-size indicator, in West China cattle, aiming to estimate the related phenotypic and genetic parameters. The analysis focused on four weight traits while considering non-genetic factors such as parity, season, year, and birth weight. Data were processed and corrected using a MIXED procedure and a multi-trait animal model. Results showed that these non-genetic factors significantly affected the weight traits (p < 0.05), which had high heritability (0.25-0.39) (p < 0.01). WEI is crucial for improving the genetic traits of cattle in western China and provides innovative approaches for optimizing herd management, enhancing the efficiency of genetic selection, and boosting beef cattle productivity.
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