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Confirmed Reports Of EHV-1 At Woodbine

Published: June 12, 2013 4:22 pm ET

Last Comment: June 12, 2013 10:36 pm ET | 2 Comment(s) | Jump to Comments

The Ontario Racing Commission has released a Notice to the Industry stating that restrictions have been put in place at Woodbine Racetrack, where Barn 1 has been quarantined after a two-year-old thoroughbred filly had to be euthanized.

The ORC announced on Wednesday, June 12 that there have been five confirmed reports of the neurotrophic form of EHV-1 in thoroughbreds residing in Barn 1 at Woodbine Racetrack. One horse was euthanized on June 10 after becoming recumbent with a fever. A second horse in the same barn (Barn 1) also had a fever and showed neurological signs. The second horse was transported to the Ontario Veterinary College for further evaluation and treatment.

Thoroughbred racing will continue at Woodbine. However, due to the infectious nature of this disease, the ORC has ordered the implementation of various infectious disease protocols to protect our equine athletes.

Effective immediately:

  • In order to determine any further spread of the disease to horses in other barns, no horses are to exit Woodbine Racetrack without ORC approval for the next seven days (June 19). This restriction may be reviewed based on the progression of the disease.
  • In addition, no horse is allowed in or out of Barn 1 or Barn 3 for the next seven days, including training. This restriction may be reviewed, based on the progression of the disease.
  • All horses stabled at Woodbine must have their temperatures taken and recorded visibly on the horse‚Äôs stall door for inspection. Trainers with horses that have clinical signs consistent with EHV-1 infection (including fever (101.5 F/38.5 C or above), respiratory signs (cough, nasal discharge and/or neurological signs) must report these findings to their veterinarian immediately.

Horsepeople who had horses at Woodbine Racetrack within the last seven days should monitor their horses for any signs of illness.

Standardbred horses are not stabled at Woodbine Racetrack. As well, the standardbred racing meet concluded at Woodbine on May 20, 2013 and moved to Mohawk Racetrack on May 23. Therefore, the June 15 North America Cup at Mohawk will not be impacted by these measures.

The neurotrophic form of EHV-1 identified from these horses differs from the non-neurotrophic form identified from the standardbreds at Campbellville in May of this year.

To ensure best practices are in place to contain the disease, the ORC received input from the office of the Chief Veterinarian for Ontario, Ontario Ministry of Agriculture and Food (OMAF) and also worked closely with Woodbine management, veterinarians and horse people.

The ORC will continue to closely monitor the situation and any further developments will be reported.

For more information, or to speak with Dr. Duncan or Dr. Chambers, please call 416-213-0520.

(With files from the ORC)

June 12, 2013 - 10:36 pmEven though no Standardbreds

Alison Moore SAID...

Even though no Standardbreds are racing at Woodbine, I would advise Standardbred horsepeople to question service suppliers such as feed/bedding and supplement suppliers, shippers, farriers and vets etc as to whether they have been at Woodbine recently and that biosecurity measures have been observed. People, trucks and trailers that have been in contact with infected horses (some of which are not showing clinical signs)can carry the virus on clothing, skin or surfaces for a limited period of time and therefore transmit the virus to other horses. The use of alcohol-containing hand sanitizers and foot baths containing Virkon are useful precautionary measures. Speak to your vet as to how to use them effectively.

As a side note, it is a bit academic that the neuropathic strain of virus infecting the Woodbine horses is different than the wildtype or non-neuropathic strain that infected the Campbellville horses. Both strains can cause outbreaks of neurologic disease, it is just that the neuropathic strain is more apt to do so. The neuropathic strain is a mutation of the wildtype strain and the latter is more commonly associated with respiratory disease.

Alison Moore DVM

June 12, 2013 - 7:36 pmNot surprising..... That the

Not surprising.....

That the powers to be have different rules for T-breds then they do for S-breds. What an absolute joke. One confirmed case at Campbellville Training Center, plus one case in Quebec but 17 days earlier the horse had been at CTC in normal health, so lets shut them down for 21+ days. Guess there is no such thing as equality.


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