Genetic Dissection of Leg and Back Feather Follicle Density in Yellow-Feathered Broiler: Integrative GWAS and Transcriptome Analysis Reveal the Regulatory Role of SERPINF1

July 2026 in “ Poultry Science ”

Xiaohuan Chao, Shuya Chen, Tong OuYang, Chutian Ye, Jie Chen, Jiongwen Wu, Xuerong Ma, Aijun Liu, Weiming Liang, Tianxi Cui, Lulu Xia, 晓凯范, Youcheng He, Xiquan Zhang, Cheng Fang, Qingbin Luo

Studysummary This study examined feather follicle density in yellow-feathered broilers, finding that back follicle density was significantly higher than leg density and negatively correlated with various body weight measures; it also identified genetic markers and candidate genes, such as SERPINF1, associated with follicle density variations.

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