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Technical note: Avoiding the direct inversion of the numerator relationship matrix for genotyped animals in single-step genomic best linear unbiased prediction solved with the preconditioned conjugate gradient

Archive ouverte | Masuda, Y. | CCSD

This paper evaluates an efficient implementation to multiply the inverse of a numerator relationship matrix for genotyped animals (A(22)(-1)) by a vector (q). The computation is required for solving mixed model equations in single...

Modeling missing pedigree in single-step genomic BLUP

Archive ouverte | Bradford, H.L. | CCSD

International audience. The objective was to compare methods of modeling missing pedigree in single-step genomic BLUP (ssGBLUP). Options for modeling missing pedigree included ignoring the missing pedigree, unknown ...

Implementation of genomic recursions in single-step genomic best linear unbiased predictor for US Holsteins with a large number of genotyped animals

Archive ouverte | Masuda, Y. | CCSD

International audience. The objectives of this study were to develop and evaluate an efficient implementation in the computation of the inverse of genomic relationship matrix with the recursion algorithm, called the...

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