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    Mitochondrial DNA haplotypes and mating outcomes
    Byron Rogers
    • Sep 3, 2018
    • 6 min

    Mitochondrial DNA haplotypes and mating outcomes

    A few years ago I did a lot of work on mitochondrial DNA. This is the DNA that is inherited matrilineally - that is - the female passes...
    1,935 views0 comments
    MtDNA and Stud Book Errors - an interesting find.
    Byron Rogers
    • Dec 21, 2016
    • 4 min

    MtDNA and Stud Book Errors - an interesting find.

    The mitochondrial haplotype of thoroughbred racehorses often disagree with stud book records. Thoroughbred performance may depend on the mit
    1,193 views1 comment
    When 50 is better than 50,000….
    Byron Rogers
    • Jul 31, 2016
    • 4 min

    When 50 is better than 50,000….

    Last week Equinome – now badged as a division of PlusVital – announced the latest iteration of their "Elite Performance Test", version...
    452 views0 comments
    Potential role of maternal lineage in the thoroughbred breeding strategy
    Byron Rogers
    • May 7, 2015
    • 4 min

    Potential role of maternal lineage in the thoroughbred breeding strategy

    For some time now we have been of the opinion that there has been over selection of the paternal side of the pedigree and under...
    453 views0 comments
    Is EQB making a Virtue of a Vice?
    Byron Rogers
    • Feb 3, 2015
    • 7 min

    Is EQB making a Virtue of a Vice?

    Considering it is only 16 months since EQB, Inc. trumpeted that “(T)his year EQB adds DNA genetic profiling to its bag of tricks” we were...
    68 views0 comments
    Mitochondrial DNA and Tregonwell's Natural Barb
    Byron Rogers
    • Oct 20, 2014
    • 1 min

    Mitochondrial DNA and Tregonwell's Natural Barb

    A year or so ago we did a private study on mitochondrial DNA, specifically looking into the #1 family of Tregonwell's Natural Barb. We...
    135 views0 comments
    Bayern, a lesson on genotype and pace
    Byron Rogers
    • Aug 24, 2014
    • 3 min

    Bayern, a lesson on genotype and pace

    The racing performances of the Bob Baffert trainee Bayern confuses most pedigree guys. Bayern is by Offlee Wild, a son of Wild Again who...
    75 views0 comments
    Bruce Lowe numbers, Mitochondrial DNA and Performance
    Byron Rogers
    • Aug 20, 2014
    • 3 min

    Bruce Lowe numbers, Mitochondrial DNA and Performance

    Common to all mammalian species, Mitochondrial DNA (mtDNA) is inherited exclusively from the mother. Mutations of this mtDNA occur,...
    676 views0 comments
    3 Lessons Learned about Genetic Testing of Thoroughbreds
    Byron Rogers
    • Feb 5, 2014
    • 5 min

    3 Lessons Learned about Genetic Testing of Thoroughbreds

    Earlier this week I was asked to write down some thoughts about genetic testing in Thoroughbreds for the upcoming International...
    146 views0 comments
    Genetics and Pedigree Analysis - just names on a page
    Byron Rogers
    • Nov 7, 2013
    • 6 min

    Genetics and Pedigree Analysis - just names on a page

    Without in any way belittling or demeaning those that struggle daily with substance abuse issues, I feel that I have to start this post...
    185 views0 comments
    The International Thoroughbred
    Byron Rogers
    • Oct 10, 2013
    • 1 min

    The International Thoroughbred

    We were asked to pen a column for the International Thoroughbred magazine on some of our thoughts on using statistics and genetics in...
    30 views0 comments
    The Sires of Sires Myth
    Byron Rogers
    • Aug 21, 2013
    • 5 min

    The Sires of Sires Myth

    Over on TrueNicks, I created a bit of a stir last week with the suggestion that the term "Sire of Sires", doesn't truly exist. You can...
    493 views0 comments
    Byron Rogers
    • Aug 13, 2013
    • 5 min

    Grading the Elite Thoroughbred

    For those of you who read this blog, you would be aware that I am not a great fan of the current graded stakes system as a framework for...
    49 views0 comments
    Byron Rogers
    • May 7, 2013
    • 3 min

    Hydrogen water and β-adrenergic receptors

    There have been a couple of interesting scientific papers released in recent days, one on horses and the use of hydrogen-rich water and...
    34 views0 comments
    Byron Rogers
    • Apr 23, 2013
    • 1 min

    The ACE gene and athletic performance

    Angiotensin I-converting enzyme (ACE) plays a major role in blood pressure regulation and fluid and electrolyte homeostasis in both...
    112 views0 comments
    Whalebone: The "Adam" of the modern Thoroughbred
    Byron Rogers
    • Apr 10, 2013
    • 2 min

    Whalebone: The "Adam" of the modern Thoroughbred

    In mammals, an individual’s sex is determined by the chromosomes it inherits from its parents. Two X chromosomes lead to a female,...
    227 views0 comments
    Byron Rogers
    • Mar 18, 2013
    • 2 min

    A Population Study on Thoroughbreds

    In recent months Brandon Velie, a PhD student at Sydney University has published three very interesting population studies on horses in...
    22 views0 comments
    Great new book on Equine Genomics
    Byron Rogers
    • Feb 1, 2013
    • 1 min

    Great new book on Equine Genomics

    Bhanu Chowdhary, a Professor of Veterinary Anatomy and Public Health at Texas A & M University and collaborator on the Equine Genome...
    29 views0 comments
    Fat-Free Mass and Performance
    Byron Rogers
    • Nov 29, 2012
    • 1 min

    Fat-Free Mass and Performance

    Fat-Free mass is one of the tests in our Sales Select test that we use to identify elite thoroughbred talent. Basically our findings have...
    32 views0 comments
    Byron Rogers
    • Oct 30, 2012
    • 3 min

    ITBF/EFTBA Press Release on DNA profiling

    Below is the Press release that the ITBF/EFTBA issued following the meeting on DNA profiling for performance in thoroughbreds, in Paris,...
    10 views0 comments
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