The Horse

SEP 2018

The Horse:Your Guide To Equine Health Care provides monthly equine health care information to horse owners, breeders, veterinarians, barn/farm managers, trainer/riding instructors, and others involved in the hands-on care of the horse.

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13 September 2018 THE HORSE TheHorse.com How Vibration Plates Impact Horse Hoof Growth If you're looking for a way to speed your horse's hoof growth, send him some good vibrations. Results from a recent pilot study suggest that time spent on vibrating plates could help increase hoof growth rates. Bart Halsberghe, VS, Dipl. ABVP (equine practice), Cert. ISELP, of Peninsula Equine Medical Center, in Menlo Park, California, stood 10 horses on whole body vibration (WBV) plates for 30 minutes per day, twice a day, five days a week, for 60 days, in addition to their regular exercise routines. He observed a significant increase in hoof growth rates during the first 30 days of treatment; growth rates slowed or plateaued during the second month of treatment. "I attribute this to adaptation of the body to the stimulus, which was unchanged for the total duration of the 60-day treatment," he said. Halsberghe said in this instance WBV is akin to physical training: "You have to adjust the intensity (frequency and amplitude) and volume (vibration session duration) for continued results." Once the treatment ceased, the horses' hooves returned to their previous growth rates. He again compared this to training—when you stop working out, the muscles and cardio capacity you've developed can dwindle. While these study results appear promising, future re- search is needed to define the mechanisms that contribute to WBV's effects on the hoof and its potential applications for foot pathologies (diseases or damage), Halsberghe said. Learn more at TheHorse.com/159204.—Katie Navarra New Therapy for Treating Tendon Injuries To understand what's going on with an injured tendon, imagine a crushed beehive. With the structure destroyed, nothing can live between its walls. But as bees rebuild the hive's matrix, the structures become strong and the hive becomes functional once more. Tendons are sort of like that. Their living cells are surrounded by a matrix that can be damaged due to injury. If the matrix isn't rebuilt, the tendon cells won't regain their strength and the tendon will be less functional. It's on that basis that researchers devel- oped and tested a new biologic therapy to help tendons heal. Tendon matrices contain a special sugar called heparan sulfate that plays a major role in matrix architec- ture. When injury occurs the matrix needs healthy heparan sulfates to rebuild, said Sandrine Jacquet-Guibon, DVM, of the Centre d'Imagerie et de Recherche sur les Affections Locomotrices Equines, in Goustranville, France, and the French National Veterinary School, in Alfort. Jacquet-Guibon and colleagues tested the efficacy of a therapeutic agent that mimics heparan sulfates to aid in healing. They com- pared healing in 22 Standardbred racehorses with superficial digital flexor tendonitis. Eight horses received one saline injection into the lesion as a placebo, and 14 received one 1 mL injection of the therapeutic agent into their lesions. Ultrasound images collected four months following injection revealed clearer signs of physical healing in the treated group than in the placebo group, Jacquet-Guibon said. Treated horses were more likely to return to their pre-injury performance level, she said. They raced in and won significantly more races over the following two years than those treated with a placebo, and they didn't experi- ence new episodes of tendonitis nearly as often as the placebo horses did. "Our study shows a positive effect of this treatment … for pertinent parameters like recurrence and especially post-injury performance over the long term," Jacquet- Guibon said. "And this is the first time, to our knowledge, that a treatment has been evaluated this way—comparing treatment versus placebo over long-term performance indicators following spontaneous ligament injury (not induced for research purposes), which gives a good look at the efficacy in a 'real world' setting." Learn more at TheHorse.com/159204. —Christa Lesté-Lasserre, MA Beijing Congress in the Books The 15th WEVA Congress took place in Beijing in April in partnership with China Horse Industry Association (CHIA), the host country's main equestrian association. Board members and program co-chairs Chris Riggs, BVSc, PhD, DEO, Dipl. ECVS, MRCVS, and Henry Tremaine, BVetMed, CertES (Soft Tissue), MPhil, Dipl. ECVS, EVDC, FHEA, MRCVS, developed a program that included eight practical wet labs and three days of lectures from more than 70 speakers in equine industry, equine practice, and advanced veteri- nary medicine streams. Lectures were presented in English and translated into Chinese (Mandarin). The Congress opening ceremony took place in the Great Hall of the People, in Tiananmen Square, a building of immense political and social significance to the Chinese people. WEVA sought to provide Chinese equestrian stakeholders with a heightened awareness of the profound and positive impact a progressive and flourishing equine veterinary profession can have on the industries, and believes the Congress helped advance equine veterinarians' status in China. Boehringer Ingelheim (BI) is WEVA's sponsor and partner and helps enable the continuation of the BI WEVA Applied Research Award. Pamela Wilkins, DVM, MS, PhD, Dipl. ACVIM, ACVECC, a profes- sor at the University of Illinois College of Veterinary Medicine, was the first woman to receive this award and presented a lecture on "L-Lactate – What You Didn't Know," featuring some of her research findings. Many Chinese and Inner Mongolian companies, as well as a number of Western companies, exhibited at the trade fair. WEVA officials hope the Congress highlighted the importance of medication licensure and availability, which it consid- ers vital to the burgeoning veterinary profession within China. Through the Congress WEVA also aimed to positively impact the country's eques- trian industry, resulting in an advance in welfare and health of all equids in China. The next WEVA Congress will take place in Verona, Italy, Oct. 3-5, 2019. Learn more about the Beijing Congress at TheHorse.com/159664. — CJ (Kate) Savage, BVSc(Hons), MS, PhD, Dipl. ACVIM WEVA senior vice president weva ISTOCK.COM ISTOCK.COM For additional news items, see TheHorse.com/News

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