Authors
Jinbu Wang, Lili Du, Zhida Zhao, Li Qian, Keanning Li, Shiyuan Qiu, Meng Mao, Mang Liang, Zezhao Wang, Hongwei Li, Yan Chen, Bo Zhu, Caihong Zheng, Xue Gao, Lingyang Xu, Lupei Zhang, Junya Li, Huijiang Gao
Published in
Briefings in bioinformatics. Volume 27. Issue 5. Sep 01, 2026.
Abstract
Genomic prediction has become a central paradigm in biology, enabling quantitative inference of genetic contributions to complex traits across humans, animals, and plants. Although genomic research in human genetics and animal breeding shares a highly homologous methodological foundation, significant barriers persist in their analytical paradigms and application scenarios. This study aims to promote cross-disciplinary integration by introducing human-derived polygenic scores (PGS) algorithms into animal genomic selection (GS) and proposing a PGS-GS framework with a preliminary weighting-based implementation. We systematically benchmarked the predictive performance and computational efficiency of 20 algorithms, including classical linear models, machine learning, PGS, and PGS-GS using both array and whole-genome sequencing (WGS) data across four major agricultural species: beef cattle, sheep, pigs, and chickens. Our results demonstrate that PGS and PGS-GS algorithms achieve predictive accuracy competitive with genomic best linear unbiased prediction (GBLUP) while offering markedly higher computational efficiency. Moreover, incorporating PGS-derived prior information into weighted linear and non-linear models outperformed conventional weighted GBLUP. The results provide empirical evidence to inform algorithm selection and highlight the potential of integrating human-derived PGS methodologies into animal genomic prediction frameworks.
PMID:
42679224
Bibliographic data and abstract were imported from PubMed on 02 Sep 2026.
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