数字农科院2.0

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： Ye Feng;Wenjuan Zhao;Xubin Lu;Xue Gao;Qian Zhang;Bin Zhang;Bao Wang;Fagang Zhong;Mengli Han;Zhi Chen

作者机构：

关键词： adult weight;birth weight;genetic analysis;heritability;West China cattle

期刊名称： Animals

ISSN： 2076-2615

年卷期： 2025 年 15 卷 15 期

页码：

收录情况： SCIE（2025版）

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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