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Genome-wide insights into genetic diversity and selection signatures during the formation of Yanyun sheep.

BMC genomics - 7 May 2026

Yang Pengkun, Pang Zhixu, Xu Changsong, Yao Quanhong, Wang Zhongfa, Pan Yangyang, Yang Kaijie, Qiao Liying, Liu Wenzhong

Abstract excerpt

BACKGROUND: Yanyun (YY) sheep are a composite breed developed by targeted crossbreeding of Dorper, Hu, and East Friesian sheep to improve growth, reproduction, and environmental adaptability, yet the genomic basis underlying their formation and selective improvement remains unclear. RESULTS: Whole-genome analyses showed that YY sheep retain moderate genetic diversity with low genomic inbreeding (FROH), indicating...

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PMID: 42092756
DOI: 10.1186/s12864-026-12901-w
PMCID: PMC13321675

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