Linkage Disequilibrium Maps of Bovine Chromosome 14
Author Information
Author(s): Elisa Marques, Robert D. Schnabel, Paul Stothard, Davood Kolbehdari, Zhiquan Wang, Jeremy F. Taylor, Stephen S. Moore
Primary Institution: University of Alberta
Hypothesis
How does linkage disequilibrium (LD) vary between Holstein and Angus cattle on chromosome 14?
Conclusion
The study provides valuable LD information that can aid in future genetic association studies for both Holstein and Angus cattle.
Supporting Evidence
- The study identified 122 haplotype blocks for both Angus and Holstein.
- Average linkage disequilibrium (LD) extends up to 100 kbp and falls to background levels after 500 kbp.
- 410 SNPs were tagged in Holstein and 420 in Angus for future association studies.
Takeaway
This study looked at how genes are linked in Holstein and Angus cattle, helping scientists understand which genes might affect traits like milk production.
Methodology
The study used over 500 SNP markers from 331 Holstein and 137 Angus cattle to analyze linkage disequilibrium and identify haplotype blocks.
Potential Biases
Potential bias due to the pedigree structure of the Holstein population.
Limitations
The study's findings may not be applicable to other cattle breeds due to breed-specific genetic variations.
Participant Demographics
331 Holstein bulls and 137 Angus bulls.
Digital Object Identifier (DOI)
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