West Nile Virus Facts

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West Nile virus is one of the fastest-growing health threats to US horses today. Since it's discovery in New York in 1999, this mosquito-borne disease has spread quickly throughout the US. Many experts expect the disease will soon become a threat to horses coast-to-coast.

Protect your horse. Ask Dr. Shelton about the best methods for your situation.

Signs of West Nile virus:

  • Stumbling or tripping
  • Muscle weakness or twitching
  • Partial paralysis
  • Loss of appetite
  • Depression or lethargy
  • Head pressing or tilt
  • Impaired vision
  • Wandering or circling
  • Inability to swallow
  • Inability to stand up
  • Fever
  • Convulsions

If your horse displays any of these symptoms, call us immediately! 

According to the United States Department of Agriculture, limiting exposure to mosquitoes is fundamental in helping to prevent the spread of West Nile virus. Make these pest management practices a routine part of your equine health care:

  • Keep horses stabled during dawn and dusk, when mosquitoes can be most active.
  • Turn off lights that attract mosquitoes at night
  • Use fluorescent lights, which do not attract mosquitoes.
  • Keep screens in stable windows
  • Eliminate common mosquitoes breeding areas like stagnant water and puddles. Empty water collecting buckets, tarps and tires.
  • Clean water troughs once a week.
  • Use mosquito repellent.

Need more information or have questions? Contact Dr. Shelton at 812-254-5769.


Dr. JC Shelton DVM

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