Efficient single-step genomic evaluation for a multibreed beef cattle population having many genotyped animals.

Abstract excerpt

An equivalent computational approach called ssGTBLUP was formulated for the original single-step GBLUP (ssGBLUP). In ssGTBLUP, the genomic relationship matrix has the form = ' + , where the (centered and scaled) marker matrix has size x (numbers of genotypes and markers), and the matrix can be easily inverted. The inverse can be written as = - ' where is an by matrix. When the preconditioned conjugate gradient...

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