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Article

Validating genomic predictions for economic traits in purebred US dairy heifers.

Journal of dairy science - 1 Dec 2024

Toghiani Sajjad, VanRaden Paul M, Null Daniel J, Miles Asha M, Van Tassell Curtis P

Abstract excerpt

Most genotypes in the National Cooperator Database now originate from cows, but most previous studies validating genomic predictions have primarily focused on bulls. This study paired official within-breed genomic PTA (GPTA) and parent average (PA) for genotyped heifer calves born between 2019 and 2021 using the August 2021 database with their corresponding performance deviations (PDEV) for 17 different traits....

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PMID: 39343196
DOI: 10.3168/jds.2024-25267

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