The Horse

JAN 2019

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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TheHorse.com | The Horse January 2019 35 for at least two weeks after clinical signs cease and carrier status is ruled out before returning them to the herd. Rendle said testing typically includes a blood test to determine strangles exposure, followed by examination of horses with positive blood tests via endoscopy and a guttural pouch wash to check for any remaining bacteria. If possible, he suggested separating horses into three groups based on what he calls the traffic light system: ■ A green group, which has no known contact with the infected horse; ■ A yellow group, made up of horses that had direct or indirect contact with the infected horse; and ■ A red group, whose signs and test results confirm strangles. House these groups separately, and dedicate equipment and staff to each in- dividual group. If manpower is an issue, then have caretakers move from low- to high-risk groups when feeding and muck- ing, said Rendle. Stop equine movement on and off the property for about four weeks after all horses are declared nega- tive to prevent spread to other properties. "Take rectal temperatures in all green and yellow horses twice daily," said Rendle, and move any horses with fevers or other clinical signs to the red group. Take-home message Always quarantine new arrivals, particularly on farms with large populations, for at least two weeks. In an outbreak employ smart biosecurity practices, remembering signs can take a while to appear and clear. Laser for Soft Tissue Injuries Laser therapy has been a popular treatment since the 1960s for managing human and animal pain and healing a variety of injuries. "While there's a lot of debate going on about its effects, they appear to be desir- able," said Drumm. He has treated hun- dreds of horses using lasers and presented existing evidence on their efficacy. Most laser therapy studies have been done using low-level laser, which is popular for managing equine pain, heal- ing wounds, and treating tendon injuries. But Drumm said its penetration depth isn't sufficient for treating deeper struc- tures. So he focused on what we know about high-power laser therapy, which physicians use to treat injuries such as tendinopathies and neck and back pain. In 2018 a research team performed an in vitro (in the lab) study of high-power laser on equine mesenchymal stem cells. They found that the laser increased anti- inflammatory mediator and growth factor expression, meaning it could potentially enhance stem cells' therapeutic properties. The challenge when evaluating this therapy, said Drumm, is the great varia- tion between lasers and protocols. Results obtained with one device, be it low-level or high-power, don't necessarily transfer to another. Plus, the amount of light lasers transmit is still unknown, he said, and results vary depending on whether the horse's skin is body-clipped, dry, etc. Drumm started using high-power laser *CAUTION: Federal law restricts this drug to use by or on the order of a licensed veterinarian. Do not use in horses with impaired renal function or with a history of renal disease. NSAIDs should not be used concurrently with Tildren ® . Concurrent use of NSAIDs with Tildren ® may increase the risk of renal toxicity and acute renal failure. The safe use of Tildren ® has not been evaluated in horses less than 4 years of age, in pregnant or lactating mares, or in breeding horses. Tildren ® is a registered trademark of Bimeda Animal Health Limited. All rights reserved. Providing lasting relief for your horse with Navicular syndrome . To learn more about Tildren ® , ask your Veterinarian or visit tildren.us . Effective Control clinical signs Long-lasting Safe Tildren ® T ur i heartache i t o hope . (tiludronate disodium) Bisphosphonate drug for intravenous infusion Global Excellence in Animal Health

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