Byron RogersSep 3, 20186 minMitochondrial DNA haplotypes and mating outcomesA 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 it on to her sons and...
Byron RogersDec 21, 20164 minMtDNA 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
Byron RogersJul 31, 20164 minWhen 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 3.0. One of their most...
Byron RogersMay 7, 20154 minPotential role of maternal lineage in the thoroughbred breeding strategyFor some time now we have been of the opinion that there has been over selection of the paternal side of the pedigree and under selection of the maternal si...
Byron RogersFeb 3, 20157 minIs 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 rather surprised to...
Byron RogersOct 20, 20141 minMitochondrial DNA and Tregonwell's Natural BarbA year or so ago we did a private study on mitochondrial DNA, specifically looking into the #1 family of Tregonwell's Natural Barb. We wrote up our findings ...
Byron RogersAug 24, 20143 minBayern, a lesson on genotype and paceThe racing performances of the Bob Baffert trainee Bayern confuses most pedigree guys. Bayern is by Offlee Wild, a son of Wild Again who placed in the Bluegr...
Byron RogersAug 20, 20143 minBruce Lowe numbers, Mitochondrial DNA and PerformanceCommon to all mammalian species, Mitochondrial DNA (mtDNA) is inherited exclusively from the mother. Mutations of this mtDNA occur, often in adaptation for ...
Byron RogersFeb 5, 20145 min3 Lessons Learned about Genetic Testing of ThoroughbredsEarlier this week I was asked to write down some thoughts about genetic testing in Thoroughbreds for the upcoming International Thoroughbred Breeders Federat...
Byron RogersNov 7, 20136 minGenetics and Pedigree Analysis - just names on a pageWithout in any way belittling or demeaning those that struggle daily with substance abuse issues, I feel that I have to start this post with an Alcoholics An...
Byron RogersOct 10, 20131 minThe International ThoroughbredWe were asked to pen a column for the International Thoroughbred magazine on some of our thoughts on using statistics and genetics in thoroughbred selection....
Byron RogersAug 21, 20135 minThe Sires of Sires MythOver 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 read the post here by ...
Byron RogersAug 13, 20135 minGrading the Elite ThoroughbredFor 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 selection for geneti...
Byron RogersMay 7, 20133 minHydrogen water and β-adrenergic receptorsThere have been a couple of interesting scientific papers released in recent days, one on horses and the use of hydrogen-rich water and oxidative stress, the...
Byron RogersApr 23, 20131 minThe ACE gene and athletic performanceAngiotensin I-converting enzyme (ACE) plays a major role in blood pressure regulation and fluid and electrolyte homeostasis in both humans and horses. While ...
Byron RogersApr 10, 20132 minWhalebone: The "Adam" of the modern ThoroughbredIn mammals, an individual’s sex is determined by the chromosomes it inherits from its parents. Two X chromosomes lead to a female, whereas one X and one Y l...
Byron RogersMar 18, 20132 minA Population Study on ThoroughbredsIn recent months Brandon Velie, a PhD student at Sydney University has published three very interesting population studies on horses in Australia and Hong Ko...
Byron RogersFeb 1, 20131 minGreat new book on Equine GenomicsBhanu Chowdhary, a Professor of Veterinary Anatomy and Public Health at Texas A & M University and collaborator on the Equine Genome project has edited what ...
Byron RogersNov 29, 20121 minFat-Free Mass and PerformanceFat-Free mass is one of the tests in our Sales Select test that we use to identify elite thoroughbred talent. Basically our findings have been that elite hor...
Byron RogersOct 30, 20123 minITBF/EFTBA Press Release on DNA profilingBelow is the Press release that the ITBF/EFTBA issued following the meeting on DNA profiling for performance in thoroughbreds, in Paris, France on 'Arc weeke...