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Marker weighting improves single-step genomic prediction reliabilities of udder health traits in Nordic Red and Jersey dairy cattle populations.

Journal of dairy science - 1 Jan 2025

Chegini Arash, Strandén Ismo, Karaman Emre, Iso-Touru Terhi, Pösö Jukka, Aamand Gert P, Lidauer Martin H

Abstract excerpt

The standard single-step genomic prediction model assumes that all SNP markers explain an equal amount of genetic variance, which, however, may not be true. This is because SNPs are located in or near different genes with different functions. Therefore, it seems logical to consider SNP marker-specific weights when predicting genomic breeding values. We hypothesized that allowing differences in the amount of...

Topics

Animals
Cattle
Female
Polymorphism, Single Nucleotide
Mammary Glands, Animal
Breeding
Phenotype
Genomics
Genotype
Genetic Markers

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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PMID: 39369893
DOI: 10.3168/jds.2024-25374

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 31 Aug 2026.

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