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Genomic predictions of mastitis-related traits early in the first lactation of dairy heifers using a single-step genomic approach.

Journal of dairy science - 1 Apr 2026

Narayana Saranya G, Schenkel Flavio S, de Oliveira Hinayah R, Hidalgo Jorge, Oliveira Gerson A, Miglior Filippo, Massender Erin, Barkema Herman W

Abstract excerpt

The objective of this study was to assess the potential benefit of a single-step GBLUP (ssGBLUP) genomic prediction approach to subclinical mastitis (SCM) and SCS traits in the early first lactation of heifers. Subclinical mastitis is highly prevalent during early lactation and poses significant challenges to both animal welfare and farm profitability. Given the low h2 of SCM, ssGBLUP has emerged as an effective...

Topics

Animals
Cattle
Female
Lactation
Mastitis, Bovine
Genomics
Phenotype
Breeding

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Identifiers

PMID: 41349832
DOI: 10.3168/jds.2025-26888

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

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