October 3, 2025BMC GenomicsOpen Access

Mapping genes for resilient dairy cows by means of across-breed genome-wide association analysis

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The analysis confirmed a complex genetic architecture of resilience with breed-specific strengths and shared components.
Notable SNP associations were found on chromosomes BTA5, BTA14, BTA2, and BTA8 linked to individual resilience indicators.
The study involved three dairy cattle populations, including 2,300 Holsteins and 1,073 Brown Swiss, indicative of diverse genetic backgrounds.
Overlapping regions with previously reported QTLs indicate important biological pathways that influence dairy cattle health and performance.

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Genome-wide association analysis reveals genetic components of resilience indicators in dairy cattle, suggesting new breeding strategies.

Keßler et al. (2025) studied this question.

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