Population Structure and Genetic Diversity of Seven Chinese Indigenous Chicken Populations in Guizhou Province

文献类型： 外文期刊

第一作者： Liu, Yifan

作者： Liu, Yifan;Zhang, Ming;Tu, Yunjie;Zou, Jianmin;Ji, Gaige;Shan, Yanju;Ju, Xiaojun;Shu, Jingting;Luo, Keyin

作者机构：

关键词： conservation; genetic diversity; indigenous chickens; population structure

期刊名称：JOURNAL OF POULTRY SCIENCE （ 影响因子：1.425； 五年影响因子：1.25 ）

ISSN： 1346-7395

年卷期： 2021 年 58 卷 4 期

页码：

收录情况： SCI

摘要： To investigate the population structure and genetic diversity of indigenous chicken breeds in Guizhou, a total of 150 individual samples were collected from 12 breeds, including seven local chicken breeds in Guizhou Province, three Chinese native breeds found in other provinces, and two commercialbreeds. The genotype datasets were obtained using a 50K single nucleotide polymorphism array method, and then a series of population analyses were performed. The obtained population parameters and linkage disequilibrium decay indicated a higher degree of genetic diversity in Guizhou chickens than in commercialbreeds. Two Guizhou localbreeds, Wumeng black-bone and Weining, were clustered with a breed from a neighboring province, Xinwen black-bone, which exhibited similar ancestral composition patterns. A newly found breed, Wumeng crested, had high genetic diversity and displayed genetic differences from other Guizhou breeds. These findings provide insight into the establishment of efficient conservation and utilization programs for Guizhou chicken breeds.

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