International Equine Disease Report, Second Quarter 2018
Equine Disease Quarterly
October 12, 2018
Confirmed diseases include equine influenza, equine herpesvirus, piroplasmosis, salmonellosis, rabies, and more.
Confirmed diseases include equine influenza, equine herpesvirus, piroplasmosis, salmonellosis, rabies, and more.
The North Carolina Department of Agriculture and Consumer Services has confirmed a case of equine West Nile virus (WNV) in an unvaccinated horse in Yadkin County.
The affected horse from Bonnyville, Alberta, Canada, had potential exposure to EIA and, at the time of testing, was exhibiting clinical signs compatible with EIA infection
An unvaccinated 16-year-old Tennessee Walking Horse mare presented during the last week of September with a low-grade fever, ataxia, and posterior paresis; she has slowly improved since disease onset.
The unvaccinated 6-year-old Standardbred mare from Todd County presented on Sept. 26 with ataxia and hyperexcitability. Her condition worsened and she was euthanized on Sept. 29.
The Equine Disease Communication Center reports 152 confirmed cases of WNV thus far in 2018, most of which occurred in unvaccinated horses or those with unknown vaccination histories.
RESPE—the French epidemiological network for equine diseases—works main missions is to monitor equine diseases in France and throughout Europe and to alert the horse industry when a contagious equine disease outbreak is confirmed.
Two unvaccinated Quarter Horse mares from Polk County developed ataxia (incoordination) on Sept. 24. Both are being treated symptomatically.
The affected 3-year-old filly from Fayette County presented on Sept. 28 with acute progressive ataxia (incoordination). As of Oct. 2, the fill is reportedly much improved with a favorable prognosis.
The affected yearling Quarter Horse filly from Stephens County was not vaccinated against WNV.
The newly confirmed positive horse’s home premises in Weld County has been quarantined and other resident horses will be retested in 60 days.
The affected 5-year-old Thoroughbred mare from Woodford County developed neurologic clinical signs on Sept. 18 and was euthanized.
There have been 10 confirmed cases of WNV in Iowa horses so far this year, according to Equine Disease Communication Center data.
Officials have now confirmed 31 cases of WNV in Ohio horses so far this year—more than double the number of cases reported last year.
The Gloucester County horse had not been vaccinated against EEE in 2018 and was euthanized.
The affected Quarter Horse stallion had not been off the farm in several months, and there is no known exposure to horses outside the farm.
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