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What Vaccines Do Horses Need?

When it comes to equine health, prevention is better than cure. And what’s one of the best preventive measures you can take for your horse? Vaccination. Although it may seem like a daunting task, particularly for new horse owners, understanding the landscape of equine vaccines is crucial.

Core Vaccines: The Non-Negotiables

Tetanus Toxoid

The threat of tetanus looms large in environments where horses reside. The bacteria responsible for tetanus, Clostridium tetani, is found in soil and can infect your horse through wounds or punctures. An annual tetanus vaccine is a must, usually administered as a combination shot with Eastern/Western Equine Encephalomyelitis.

Eastern/Western Equine Encephalomyelitis

These two diseases are transmitted via mosquitoes and can be fatal. Vaccines for both are often combined with the tetanus toxoid shot. Foals typically start their vaccine schedule at three months old and continue with booster shots throughout life.

Rabies

Though less commonly seen in horses than in some other animals, rabies is usually fatal and can be transmitted to humans. An annual rabies vaccination is the wisest course of action for horse owners.

West Nile Virus

Like encephalomyelitis, West Nile Virus is transmitted through mosquito bites. Most horses exposed to West Nile Virus do not show symptoms but can become carriers. Vaccinating can provide essential protection.

Risk-Based Vaccines: Assess Your Situation

Equine Influenza

Horses that frequently interact with other equines or travel for shows should be vaccinated for equine influenza. This highly contagious respiratory virus spreads rapidly in communal settings.

Equine Herpesvirus

Also known as rhinopneumonitis, this virus can cause respiratory infections, abortions in pregnant mares, and neurological disease. Vaccination schedules depend on the horse’s age and whether the mare is pregnant.

Strangles

A bacterial infection causing abscesses in the lymph nodes, Strangles can be severe. Vaccination is generally recommended for younger horses or those at high risk.

Potomac Horse Fever

For horses residing or traveling in areas with a high incidence of Potomac Horse Fever, vaccination can be a lifesaver. This disease can cause severe diarrhea and may lead to laminitis.

Timing is Everything

The age, health status, and lifestyle of your horse will influence the timing of vaccinations. Typically, foals receive their first shots at three to four months of age, followed by a series of booster shots. Adult horses often require annual or semi-annual boosters.

Although this guide provides a broad overview, always consult a veterinarian for a personalized vaccination schedule tailored to your horse’s needs. Each horse is unique, and geographical considerations can also influence vaccine requirements.


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What Vaccines Do Horses Need?