US Arabian Horse Registry does not register foals from race-bred Arabians who carry Thoroughbred DNA proven through DNA testing.

Starting with 2019 registration sequence numbering for those foals and horses registered, these registration numbers are simply marked INELIGIBLE. Samantha Brooks, author of Genetic Diversity Paper and additionally three different European papers published in 2016, 2017 and 2019, all concur on Thoroughbred DNA existing in the Arabian world and also on the type of genetic testing which is being used for these laboratory results. Brooks has stated “it is everywhere, and almost all racing Arabians now contain TB DNA, every horse, stallion or mare, associated with any racing program in the world” and “What we found in these samples was not that much Arabian ancestry was part of the Thoroughbred line, but the opposite: that Thoroughbred DNA exists in most of the modern racing Arabian lines, indicating a more recent interbreeding within this group,” Brooks said. “I can’t speculate on the how or why, but this is clearly the story the DNA is telling us.”

Those requesting registration with US Arabian Horse Registry must furnish proof through DNA typing of the Y Chromosome and through RFMix26 analysis the horse(s) submitted for registration do not contain TB DNA to be considered eligible for inclusion or registration of said stallion or mare and any progeny of said stallion or said mare within US Arabian Horse Registry. The Purebred Arabian in this paper identified three Arabian Y haplogroups (Ao-1, Ao-2 and Ta). Tb-oB1 haplogroup is attributed to the “Byerley Turk” foundation sire of the Thoroughbred breed as well as Tb-dW1 hap-logroup, also known as the Whalebone haplotype. Y-chromosome haplotypes were determined by genotyping 14 key Y-chromosomal variants using LGC KASP® technology.

Rules and Regulations
Section 1, Rule 3 Mission Statement
US Arabian Horse Registry Position: Our mission is to record and preserve pedigrees of the Purebred Arabian horse, while maintaining the integrity of the breed.
Section 2, Rule 1
C. A foal is eligible for registration provided it is shown to the satisfaction of US Arabian Horse Registry the foal’s pedigree authentically traces in all its lines to horses recorded in US Arabian Horse Registry or a Foreign Stud Book if it satisfies all other requirements set forth in these rules.
D. US Arabian Horse Registry may require any party who seeks to register a foal or who submits information related in any way to registration of a foal to provide such further evidence and assurances as US Arabian Horse Registry may reasonably require, and may also require any such party make the horse(s) involved available for inspection.
I. i) A foal is not eligible for registration unless its sire and dam have been genetically typed or re-DNA typed, as required under Rule 5.
Section 2, Rule 2
G. The Assignment of Burden of Persuasion for registration eligibility: In all proceedings connected with or affecting the registration or records of USAHR, and in all disciplinary actions, the burden of resolving any doubt as to the true parentage, identification of a horse or qualification for registration shall be upon the applicant, owner, recorded leasee, or other member or members involved.
G. 2) Genetic tests may be required as the Board of Trustees determines, including, but not limited to questions of true parentage or identification of horses.

HARC or Heritage Arabian Racing Club
Heritage Arabian Racing Club is a world-wide organization that supports and promotes racing for those who wish to preserve the Purebred Arabian of traditional type and bloodlines and to ensure the long-term future of Arab horse characteristics, in the broadest terms, with the hallmarks of beauty, athletic ability, soundness and versatility. Initiated by HH Sheikh Sultan Bin Zayed Al Nahyan, United Arab Emirates, (UAE), now deceased.

The definition of a HARC Purebred Arabian must not contain the blood of the following stallions in any generation of its pedigree in order to pursue the goal of diversifying the gene pool of Arabian racehorses. Stallions excluded: Amer, Baroud III, Burning Sand, Dragon, St [Saint] Laurent, Tiwaiq
THE ABOVE IS TAKEN FROM THE ARABIAN JOCKEY CLUB WEBSITE: https://www.arabianracing.org/harc/

Amer is discussed in length on the webpage Thoroughbred DNA in Racing Arabians. His sons with foals registered in AHR are Assy, Kasih, AF Albahar, Dahess, Amaretto, Darweesh, Majd Al Arab, General, and Rathowan. His daughters with foals registered in AHR are Farah, with her dam carrying close lines to Flipper and St Laurent, Shehadda, Ma’Ma’Ah, her dam’ sire carrying blood of Mandragore and St Laurent, and the second dam with Manganate [Dragon], Tidjani [Flipper and St Laurent] and Baroud III, and Alwiya whose dam is a Kesberoy daughter [Kesberoy by St Laurent].

Baroud III born in 1969, a bay registered SBFAR #10134, French Stud Book; Al Maury used in many of the names of his progeny. A daughter, Pistache Du Cassou, bay, born 1981, registered SBFAR #10595 is the dam to Nivour De Cardonne AHR #597576, chestnut, born 1995.

Burning Sand came from breeders little known to those involved in Arabian racing in the USA. He was bought as a 2 year old by the late horse trainer Arnold Bardin, who shortly thereafter formed a partnership with Alma Jean and Jay Moore. In a race at Delaware Park 1989 Burning Sands was withdrawn in the paddock because his markings did not correspond to those on his foal papers. (Subsequent blood tests to determine whether the horse was a purebred Arabian are not known to have been disclosed.) For reason unexplainable, the AJC revoked Burning Sand’s race record and nullified his racing certificate. The Arabian Registry, however, found no evidence to revoke his certificate of registration as a Purebred Arabian. [https://m.facebook.com/BurningSandInternational/photos/the-story-of-burning-sand-part-2horse-racing-is-sometimes-called-the-sport-of-ki/1499735853434452/]
Dragon born in 1940, registered SBFAR, French Stud Book, inbred to Burkeguy. The mare line, Mandore by Grabiec x Mandarine III by Dragon, includes Dormane, Djendel, Djamel, Madel and Mangadore. Dragon is also sire of Calin Do Loup whose dam is by Flipper and is the sire of TH Ritchie; another son of Manganate is Djelfor, who sired Sadeem with foals registered in AHR.

St or Saint Laurent, a chestnut born 1948, registered SBFAR #7260 is the sire of Manganate, chestnut, born 1972, and whose dam is Mandragore, registered SBFAR #7592, bay, born 1955, by Dragon, 1972 registered SBFAR #6829. A St Laurent son is Kesberoy, registered SBFAR #10263, the sire of Munjiz who sired 2008 chestnut Al Mamun Monlau. Al Mamun Monlau, AHR registered, is out of Salahah De Monlau by Tidjani by Flipper. St Laurent is by Baroud II, chestnut, born 1927, registered SBFAR #5868 out of Madou.

Tiwaiq is by Flipper, bred in Saudi Arabia. Baseq Al Khalediah is a Tiwaiq son as is Tadjani ex Managhi by St Laurent

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