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Research & DNA

Articles, interviews, and documents featuring research and DNA information on the Cleveland Bay.

Genetic Analysis and Breed Management of the Endangered Cleveland Bay Horse



Dr. Andrew C. Dell's thesis, which was submitted in partial fulfillment of the requirements of the University of Lincoln for the degree of Doctor of Philosophy, has been approved for public viewing.

Congratulations to Dr. Dell on his accomplishment.  We thank him for his dedication to the Cleveland Bay horse.

Chapters include:


How Many Cleveland Bays are in the 2010 SPARKS Breeding Population?



Andy Dell won the 2008 March Christian Award for Conservation

From Millie Kenyon, Administrator, Mark Christian Trust, United Kingdom

“Andy Dell won the 2008 March Christian Award for Conservation in Genetic Bio-Diversity (Technical category) for his research into Cleveland Bay Horses through computer –based breed analysis and the creation of Society breeding programmes for reduction of inbreeding and genetic retention 


Explaining the basics on Equine DNA Testing


Parentage reports can be produced for a foal only if the DNA profiles for the dam and sire are recorded. For this reason it is important to test all breeding stock (or possible breeding stock) as soon as possible.
Explaining the basics on Equine DNA Testing in the on line magazine

March 27, 2008
by Dr. Jenny Cahill

The use of DNA technology is something most of us are familiar with - mostly thanks to its uses in human forensics. But its applications in the equine world, including DNA profiling for identification and parentage, screening tests for coat colour and some inherited diseases, are growing all the time.

Of particular importance to all equine breed registries, regardless of size, Equine DNA testing . . .

[Read the entire article]

Partial article posting granted by permission of
Thank you, CBHSNA

April 2008 DNA Genotyping Committee Update


Thanks again for everyone contributing DNA hair samples to Dr. Cothran’s project.
Remember it’s free and completely separate from DNA hair samples sent to the CBHS for purebred parentage testing.  We now have over 100 samples including those sent to the University of Kentucky and Texas A& M University USA.

See a more scientific report from Dr. Cothran as opposed the more lay person type reports published in the past.  We hope this begins to answer some questions on his research.

Gabrielle Gordon
CBHSNA DNA Genotyping Chair

Genetic article by Cothran March 2008

Breeding Tips


Carolina Livi's interview with Cindy Backus, DVM, PhD

Carolina writes introduction to Dr. Backus:

Our first interview on the topic of Breed Health and research is with Dr. Cindy S. Backus, a large animal veterinarian specializing in equine reproductive work. She has a B.Sc. in Animal Science from Ohio State University, a M.Sc. in Reproductive Physiology from The University of Tennessee, a D.V.M. from the University of Tennessee, and a Ph.D. also in Reproductive Physiology from the University of Tennessee. She has worked in private practice for 18 years, and does mostly horse work, in addition to working on sheep, goats, alpacas, and other small ruminants. She started breeding horses with cooled shipped semen in 1997 at the time the quarter horse association lifted the registration ban. Her first attempt got produced a gorgeous palomino stallion that she still rides. Spring of the year brings dozens of mares to the clinic for shipped breeding and she has owners haul their stallions over to be collected and shipped. In the last 4 to 5 years they have been doing 20 or so Embryo transfers per year as well. She says it is becoming more and more popular but is still not as successful as AI.





The Cleveland Bay Horse Society has embraced a software program called SPARKS (Single Population Analysis & Record Keeping System), which has been adapted after many months of effort to aid in the ongoing preservation of the purebred Cleveland Bay.


Andy Dell's Presentation of SPARKS