数字农科院2.0

Genomic Characterization of Crossbred-Driven Adaptation in the Endangered Yangba Cattle of China

文献类型： 外文期刊

作者： Bao Cai;Yandong Kang;Ziqiang Ding;Shaoke Guo;Mengli Cao;Liyan Hu;Ben Zhang;Xingdong Wang;Jie Pei;Qianyun Ge;Lin Xiong;Xiaoyun Wu;Xian Guo

作者机构：

关键词： endangered Yangba cattle;gene introgression;phylogeny;population genetics;whole-genome resequencing

期刊名称： Animals

ISSN： 2076-2615

年卷期： 2025 年 15 卷 7 期

页码：

收录情况： SCIE（2025版）

摘要： Local indigenous livestock breeds are characterized by their rich genetic diversity and a long history of selective breeding, granting them notable advantages in environmental adaptability, forage tolerance, and disease resistance. However, the rapid advancement of modern animal husbandry has shifted the primary focus towards economic efficiency. As a result, many local breeds find themselves at a disadvantage in the competitive landscape of contemporary commercial practices due to their comparatively lower productivity and less substantial economic returns. The Yangba cattle, an endangered breed native to China, exemplify this challenge, lacking clear documentation on their origins, evolutionary history, and adaptive mechanisms. To address these gaps, we undertook a comprehensive comparative genomic analysis involving 202 individuals from 21 domestic and international breeds. Our objective was to uncover the unique genetic origins, evolutionary pathways, and distinctive variations that define the Yangba cattle, thereby enriching our understanding of this remarkable breed.

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