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West Nile Virus Information

2001 Preview, 2000 Review

Nancy E. Halpern, D.V.M.
PO Box 330
Trenton, New Jersey 08625
Fax 609-777-8395
May 2001

Recommendations to minimize the risk of
West Nile Virus infection

For horse owners, managers and trainers

Eliminate the mosquitos' habitats:
Remove potential water collection sites or maintain in clean condition. Potential sites include:

Discarded tires
Clogged gutters and drains
Storm drains
Water troughs: traditional or automatic
Water/feed buckets
Wash stall drains
Stagnant ponds
Unwashed birdbaths
Plastic wading pools
Unused swimming pools
  • Keep buckets, basins, gutters, drains and pools clean and debris-free.
  • Turn over wheelbarrows, wading pools and other water-collecting equipment when not in use.
  • Drill holes in the bottom of containers that cannot be discarded and must be left outdoors.
  • Clean and maintain swimming pools regularly.
  • Use landscaping to eliminate standing water that collects on the property.
Consult with your County Mosquito Agency
Request a site visit to:
Identify areas of concern
Get suggestions for clean-up/treatment
Identify possible sites for mosquito collection and testing
Concentrate on the recommendations above instead of using methods which are minimally effective mosquito control measures: e.g., fly sheets and masks; repellents for long term control; fly misters; bug zappers.

Contact your veterinarian and request a farm visit if your horse is exhibiting any of the following clinical signs:

anorexia (off feed)
depression or listlessness
weakness of hind limbs
flaccid paralysis of the lower lip (droopy lip)
impaired vision
ataxia (difficulty moving or standing correctly)
head pressing
aimless wandering
inability to swallow
paresis (paralysis, complete or partial)

Immediate intervention may save your horse's life! Don't hesitate; call your vet!
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