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Impact of scale parameter for marker variance prior in some Bayesian whole-genome regression methods.

Mammalian genome : official journal of the International Mammalian Genome Society - 28 Apr 2026

Kozakli Özge, Ceyhan Ayhan

Abstract excerpt

In this study, traditional single-trait Bayesian whole-genome regression methods (BayesA, BayesB, and BayesCπ), which treat the scale parameter of the marker variance prior as fixed, were compared to alternative versions (BayesSA, BayesSB, and BayesSCπ) that estimate this parameter from the data using a Gamma prior. Analyses were conducted using a publicly available dataset of 3,534 animals from a commercial PIC...

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PMID: 42050216
DOI: 10.1007/s00335-026-10233-4

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