Texas Animal Health Commission (TAHC) Equine Herpes Update | Herpes Helpline

The fact that a horse in the Bay Area had been hit, she said, was what prompted her to lock down the ranch later that afternoon. In most previous outbreaks, the official response would have been to quarantine the Platt place and let the virus burn itself out, treating horses as the got sick with antiviral drugs like valacyclovir, also used to treat herpes infections in humans. This year, we have benefitted from a flurry of research surveys published by Australian university researchers who are interested in answering these exact questions. The neurologic form of the disease is rare, but periodic outbreaks do occur. Suggested Equine Vaccination Schedule Pregnant Mares – Rhino is given at 3, 5 and 7 months of gestation. All the veterinarians were comfortable with the fact that it appears this outbreak is contained to the areas currently under quarantine. Equine Canada is working with the offices of Canada’s chief veterinarians to monitor the situation and keep our members abreast of developments.

As always we will continue to update our information as it becomes available. No other horses, which have left the Sunland Park stables, have been infected at any other racetracks around the country. Symptoms of the disease include fever, ocular or nasal discharge, limb swelling, abortion, and neurologic signs such as unsteady gait, urine dribbling, hind limb weakness, and inability to rise. Horses that attended the Ogden, Utah event or have been in contact with horses that attended the event should be isolated and a minimum of two temperatures taken and recorded per day on each horse. Therefore, at this time, there have been no horses affected in the province of Alberta or British Columbia that were not either at the Utah show or in direct contact with these horses, either before or after their return. “We met with the state vet at 7 a.m. Turf Paradise currently houses 1,700 horses and will continue to hold races as scheduled.


Although only one blood sample was obtained, it is likely that RRV contributed to the syndrome observed. All positive confirmed EHM cases are under a State Quarantine. Officials at Sunland Park Racetrack say that on Monday a second horse had to be euthanized because of the virus. Equestrian Federation sanctioned competitions Las Vegas Dressage Spring Fling III scheduled for Saturday and Sunday and a one-day competition in Kirkland, Washington, announced cancellations because of the EHV outbreak. Due to the huge area directly impacted by the latest outbreak–the eight states where confirmed or suspected cases have occurred is almost one-third the total land mass of continental United States–the U.S. Symptoms of the disease include fever, ocular or nasal discharge, limb swelling, abortion, and neurologic signs such as unsteady gait, urine dribbling, hind limb weakness, and inability to rise. Information is compiled on the latest US Department of Agriculture cumulative report on EHV cases in western states, and on the EQUUS CANADA web site for horses in Canadian provinces.

28. The third argument is that the new NYC policy represents a reasonable compromise, protecting an individual’s right to practice his/her religion while employing the tools of public health to limit the spread of disease. Three horses are currently in isolation and under close observation. Frontera has always been included in the original quarantine perimeter. Symptoms of neurologic EHV-1 infection are fever, nasal discharge, incoordination, hind limb weakness, urine dribbling, and a flaccid tail. As such our advice is that horse owners may resume normal activities with sensible biosecurity provisions as outlined in our previous post. It tested positive for Equine Herpes Myeloencephalopathy.

The quarantine will have no impact on horses shipping in for races as long as they arrive with proper vaccination documents. Due to the early detection and quarantine of cases and barns along with the no travel recommendations this outbreak was contained to a 2 month period and we are hopeful that everyone will be able to have a fun summer and show season. Ruidoso Downs’ racing integrity liaison Dennis Monroe says the quick response was a key factor to eliminate this individual case from spreading. The yard will remain closed and in quarantine for 28 days after the last case of EHV has cleared. Sunland has been under quarantine and racing has been suspended. But you don’t have to live in a state with active EHV to be affected, or even leave your own farm. the only sign of EHV-1 infection, which can go undetected.

The yard owner and all the liveries who have been devastated by this unforeseen event, have been careful to follow our guidance with regard to biosecurity. 26, causing Louisiana Department of Agriculture officials to place seven of the track’s 49 barns under quarantine. Cases of equine herpes began showing in late April and early May in horses that had attended shows in the Willamette Valley.