WNV in Wyoming Horses: Four Cases Confirmed
Erica Larson
September 5, 2018
Officials confirmed three cases in Park County and one in Sheridan County.
Officials confirmed three cases in Park County and one in Sheridan County.
The affected 16-year-old pony mare was euthanized.
Why was my horse was turned away from a horse show because we didn’t have proof of a current negative Coggins test?
An unvaccinated 2-year-old Quarter Horse filly showed an onset of clinical signs on Aug. 27, including facial and muscle fasciculations (twitching) and Grade 2/5 ataxia (incoordination) in all four limbs.
The Wyoming Livestock Board quarantined the additional premises after resident equids were exposed to a Colorado horse that ultimately tested positive for EIA.
The unvaccinated 6-year-old Tennessee Walking Horse stallion from Lewis County was euthanized after becoming recumbent.
One infected horse in Anne Arundel County responded to supportive treatment and recovered, but the affected Carroll County horse had severe neurologic clinical signs was euthanized. Neither was vaccinated against WNV.
The unvaccinated 12-year-old gelding from Camden County was euthanized on Aug. 27.
The Delaware state veterinarian has confirmed two cases of West Nile virus (WNV) in horses in Kent County.
A 10-year-old Quarter Horse stallion, with an unknown vaccination history, from Jerome County developed neurologic signs of disease and was subsequently euthanized.
A 2-year-old Quarter Horse mare from Polk County was euthanized Aug. 25 due to disease severity.
Horses from Holmes, Medina, and Tuscarawas counties have tested positive for West Nile virus thus far in 2018.
The unvaccinated 9-year-old Quarter Horse gelding from Pendleton County is in stable condition and has a favorable prognosis for survival.
The affected horse has been isolated from the remaining horses on the Weld County facility. The exposed horses will be observed and retested in 60 days.
Two horses in Maricopa County are recovering after testing positive for West Nile virus (WNV).
The American Quarter Horse from Chesapeake, with an incomplete vaccination history, was euthanized due to disease severity.
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