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...
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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
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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,...
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