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Study: Shared Water Sources Contribute To EHV Transmission

A study has found that equine herpesviruses are able to replicate in freshwater sources in the wild and remain infectious to spread among animals, especially during drought conditions. In the wild, many species of animal will congregate around freshwater sources to drink, potentially allowing for virus transmission between species.

Drs. Anisha Dayaram, Peter Seeber, Alexandre Courtiol, Sanatana Soilemetzidou, Kyriakos Tsangaras, Mathias Franz, Gayle McEwen, Walid Azab, Petra Kaczensky, Jörg Melzheimer, Marion East, Oyunsaikhan Ganbaatar, Christian Walzer, Nikolaus Osterrieder and Alex Greenwood sampled water holes in areas of Africa and Mongolia that had significant dry seasons. They determined that EHV can remain stable and infectious in water under these conditions.

The team reported that animals forced to congregate around water supplies become stressed. Stressed equids can shed viruses like EHV, which enter the water supply when the animal drinks. Rhinos have tested positive for EHV when they share watering holes with zebras in the wild.

The EHVs found in Africa and Mongolia are nearly identical to those found in domestic horses, suggesting EHVs have changed very little over time. The research team suggests that additional research be done to determine other viruses that may use water as a vector to spread among animals.

Oaklawn Horsemen Hunker Down For Second Hit From Winter Storms

Subzero temperatures and approximately eight inches of snow have caused increasingly difficult conditions for horsemen at Oaklawn Park in Hot Springs, Ak. With up to 10 more inches of snow in the forecast and temperatures remaining below freezing for the next 48 hours, grooms and their charges alike have hunkered down to wait out the weather.

The main track has not been open for training or racing since Thursday, Feb. 11, and while some trainers have opted to jog horses in their shed rows, the cold has been so severe that many have elected to simply walk their charges instead.

Racing has been cancelled through Sunday, Feb. 21, with Oaklawn's major graded stakes rescheduled for the week of Feb. 25-28.

“We'll have a little more coming out here in the next couple days on how the dates are going to be shifted in terms of when we're going to run what and on what day,” Oaklawn's general manager Wayne Smith told Horse Racing Nation. “We just don't have that understanding at this point. I mean we're not supposed to get out of the 20s until Friday.”

Not accustomed to this level of winter storm, most of the town of Hot Springs has shut down, according to locals. Some off-track apartments and hotels have lost water access as lines freeze over, so several backstretch workers are relying on friends' places for water access.

At the track, additions to the grooms' regular chores are tasks like breaking open the top layers of ice on water buckets so their horses have access to water, and working to keep the racetrack's water lines from freezing.

One trainer noted: “It's really not that bad if you're dressed and stay working, but standing around is d*** cold real quick!”

Track maintenance workers spent much of Tuesday plowing snow off the track surface itself and around the backstretch, and the general hope among stable staff is that training will be able to resume when temperatures rise above freezing long enough to thaw out the track surface.

The post Oaklawn Horsemen Hunker Down For Second Hit From Winter Storms appeared first on Horse Racing News | Paulick Report.

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Horses In North Carolina Dying From Mystery Illness

New Hope Stables in North Carolina has had four horses die from a mystery illness that veterinarians cannot isolate or explain. Treasure, an 18-year-old rescue horse used in the stable's lesson program, was the first horse afflicted and was originally suspected to be colicking when barn workers found him down on September 23.

When the veterinarian arrived, however, it was apparent that Treasure was not colicking, but the horse was experiencing gastrointestinal irritation. The gelding was sent to Woodside Equine Clinic in Richmond, VA, where he deteriorated and was euthanized.

On Sept. 28, several other horses at the farm became ill and three died. Three horses remain in the clinic and nearly half of the farm's stable is on intravenous fluids.

Treating veterinarian Dr. Shanna Edwards has asked colleagues all over the United States for opinions; thus far no conclusive diagnosis has been reached, even after a necropsy of one of the horses.

Affected horses have diarrhea, colic and fever, and become bloated and lethargic. Edwards suspects a toxin may be in the horse's hay, grain or water as every horse in the farm is affected, which doesn't typically happen with an infectious disease. The farm has stopped using their well water and has brought in new hay and grain.

A GoFundMePage has raised nearly $30,000 of the $20,000 goal.