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Standing Equine PET Now In Use At UC Davis

UC Davis has welcomed the latest standing equine PET scanner, the MILEPET, into clinical use, less than six years after performing the world's first PET scan on a horse.

Thanks to funding support from the UC Davis Center for Equine Health and the Stronach Group, the UC Davis veterinary hospital recently installed the most recent MILEPET. After the installation of the first scanner at Santa Anita Park racetrack, a second scanner was set up on the East Coast at the University of Pennsylvania. This newest instrument at UC Davis will provide the most innovative equine imaging technique using only standing sedation to the Northern California horse population.

Since the first equine PET scan was performed at UC Davis in 2015, there have been many other “firsts” as the team, led by Dr. Mathieu Spriet, worked to develop the use of the technique to improve detection of injuries in equine limbs. The s were performed two years ago, removing the need for horses to undergo general anesthesia during imaging. Subsequently, our group validated the first scanner designed specifically to image horses prior to its installation at Santa Anita in Southern California. This scanner has now been used for over 200 studies at the racetrack, contributing to reducing the number of catastrophic injuries in racehorses.

For the past five years, the UC Davis veterinary hospital's robust equine clinical program has imaged over 100 horses, but until recently, all of these scans were performed with the piPET, a scanner originally developed to image the human brain. This program accomplished several milestones in the development of equine PET, establishing applications not only for racehorse safety, but also for diagnosis of bone and soft tissue injuries in sport horses and improved understanding of laminitis. The clinical use of the technique was limited due to the requirement to anesthetize horses, which increases costs and risks associated with the procedure.

The initial clinical case utilizing the new scanner at the UC Davis veterinary hospital was another first, a mule named Jool. She was the first patient included in a clinical trial aimed at combining standing PET with standing MRI to provide the most advanced imaging for foot lameness in horses (or mules).

In addition, a second standing PET study is underway, aimed at assessing the progression of laminitis. Laminitis is an extremely debilitating disease that can unfortunately be fatal. Laminitic patients require long-term, careful hoof care performed by an experienced farrier. UC Davis veterinary hospital farrier Shane Westman has a long list of these challenging patients. In order to manage the trimming and shoeing optimally, Westman relies on imaging techniques. In a pilot study performed on laminitic cases at UC Davis, PET demonstrated its value in precisely assessing the involvement of the soft tissues of the foot with laminitis. As PET now becomes available using simple sedation, it simplifies the use of the technique and allows for repeated scans every time a patient comes for shoeing and trimming.

In addition to these two specific clinical research studies, standing PET is now available to any equine patient in Northern California. Standing PET can image any area of the limb from the foot to the carpus (knee) or tarsus (hock).

The racehorse population of Golden Gate Fields racetrack will also benefit from the new PET scanner. As the technique has quickly gained in popularity at Santa Anita Park, a few Northern California racehorses have traveled south to be imaged with PET. Now these horses won't need to travel so far. In addition to being in operation at UC Davis, the MILEPET scanner will soon be transported on a weekly basis to image horses at the equine hospital at Golden Gate Fields.

Dr. Spriet was very enthusiastic about these latest developments in the UC Davis equine PET program, “The standing PET scanner will allow us to offer this cutting-edge modality to more cases than we could before. Repeating scans on the same patient will help us optimize treatment and rehabilitation for better outcomes.”

“Through support from our donors and endowments, we have been able to support the equine PET program at UC Davis since 2016 by providing both research and equipment support,” said Dr. Carrie Finno, director of the UC Davis Center for Equine Health. “It is incredibly rewarding to see this technology now being used to prevent catastrophic injuries in racehorses across California.”

More horses, and mules, will be scanned in the near future!

Jeff Blea Named CHRB’s Next Equine Medical Director

Dr. Jeff Blea will become the veterinary voice of the California Horse Racing Board upon the long-planned retirement of Dr. Rick Arthur from the position of Equine Medical Director (EMD).

Dr. Gregory Ferraro, chairman of CHRB and a former equine veterinarian himself on the southern circuit, described Dr. Blea as “a nationally known and widely respected equine veterinarian” and said Blea “is recognized for his clear thinking and fairness in his decision making.”

Under contract arrangements between the CHRB and the School of Veterinary Medicine (SVM) at the University of California, Davis, the EMD serves as a member of its faculty. CHRB Executive Director Scott Chaney said the CHRB worked closely with UC Davis during the process, which was prolonged by the pandemic. A joint panel from UC Davis and the CHRB interviewed candidates and selected Dr. Blea.

“We value this partnership,” Chaney said. “We were fortunate to consider several well-qualified candidates. I am very pleased with the process and the choice. I look forward to working closely with Dr. Blea to make racing safer at this critical time.”

Dr. Blea brings 28 years of veterinary experience with him, and before that breifly rode as a jockey. He has served in leadership roles nationally with the American Association of Equine Practitioners and regionally with the Southern California Equine Foundation and was a director of the Dolly Green Research Foundation from 1999 to 2015.

“As Equine Medical Director, I look forward to working with industry stakeholders in further advancing the progressive transformation of horse racing in California with the emphasis on horse safety, welfare, and integrity,” Blea said.

“Dr. Blea is an excellent choice to become EMD. He has a broad background in horse racing and is well respected by his colleagues here in California and nationally,” added Arthur.

The post Jeff Blea Named CHRB’s Next Equine Medical Director appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.

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U.S. Trotting Association Announces Study To Uncover Genetic Causes For Birth Defects

The U.S. Trotting Association announced a collaboration this week with the University of California-Davis Veterinary Genetics Laboratory to learn more about birth defects in Standardbreds.

The USTA is urging owners and managers to submit data and DNA samples to the lab from stillborn foals born in 2021 or those demonstrating obvious defects resulting in euthanasia or surgery. Those defects could include: wry nose, cleft palate, contracted limbs/shoulders, microphthalmia (a disorder where one or both eyes are unusually small), missing or additional limbs, cyclops, or other obvious issues that are not typical in a healthy foal.

The goal of the project, if genetic anomalies can be identified for particular conditions, will be to help guide future breedings to reduce the risk of these conditions, which cause economic and welfare hardships for all involved.

Owners are assured that their horses' identities will remain confidential in the course of the study. Statistical results may be published without identifying a particular animal, owner, or breeder and any published results will be released to the public via the USTA.

The USTA released the following guidance for sample submission:

To participate in the study, a submission form, consent form, blood or hair samples and photos of the foal should be submitted to the USTA. To obtain or get further information on the forms or a DNA test kit, contact Gabby Fleming from USTA Member Services at gabby.fleming@ustrotting.com or by calling toll free (877) 800-USTA (8782).

The forms are also available online at http://bit.ly/Geneticform and http://bit.ly/UCDavisConsent.

Blood samples are preferred; however, hair samples may also be submitted. For hair samples, 20-30 hairs with roots attached should be pulled from mane or tail (no cutting of hair) and placed in a Ziploc bag.

Samples and photos with identification should be sent to:

United States Trotting Association
6130 S. Sunbury Rd.
Westerville, OH 43081
Attention: Gabby Fleming

All samples will be sent to UC Davis Veterinary Genetics Lab for genetic testing.

Participation in the study is voluntary and any participant has the right to withdraw from the study at any time. There is no financial obligation on the part of the participant.

The post U.S. Trotting Association Announces Study To Uncover Genetic Causes For Birth Defects appeared first on Horse Racing News | Paulick Report.

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UC Davis Vet Hospital Updates And Expands Equine Reproduction Space

The UC Davis veterinary hospital's Equine Reproduction Service has a newly renovated clinical teaching and research space at the school's Center for Equine Health. Dean Michael Lairmore, Executive Associate Dean John Pascoe, and Executive Assistant Dean Mary McNally officially unveiled the newly renovated space, which includes four custom-designed stocks and all new flooring. The Equine Reproduction Service team, led by Service Chief Dr. Ghislaine Dujovne and newly acquired faculty member Dr. Pouya Dini, also has a new student meeting space and expanded laboratory as part of the renovation.

Improvements to the Equine Reproduction Service facilities were funded by the school's Dean's Office, which saw the benefit the new space will offer to students and clients. The adjacent laboratory and clinical spaces offer “benchtop to bedside” clinical translation – a hallmark of the future Veterinary Medical Center and a major advantage of seeking treatment at a teaching hospital.

“We are grateful to Dean Lairmore and his office for providing the funding for this space,” said Dr. Carrie Finno, director of the Center for Equine Health. “This project has been more than a year in the making, starting before the pandemic began. It is a tremendous asset for students and residents training here at the Center, and also provides top-notch facilities for our clients.”

The Equine Reproduction Service provides routine and advanced equine reproductive care, including artificial insemination, ultrasonographic pregnancy diagnosis, fertility evaluation, semen collection and evaluation, transvaginal aspiration of oocytes, and embryo transfer.

“This new space gives our service a more efficient place to teach and practice,” said Dujovne. “The opportunities for students in this new treatment and research area will increase significantly, improving the quality of their education in equine reproduction.”