Merial Potomavac Potomac Horse Vaccine | Horse Vaccines from DrsFosterSmith.com

*	Equine vaccine helps protect horses from Potomac Horse Fever (PHF)

*	Management of aquatic insects and annual vaccination of horses may help prevent PHF

*	Potomavac horse vaccine may be used in horses as young as 3 months of age

Recommended for the vaccination of healthy horses as an aid in the prevention of Potomac Horse Fever (equine monocytic ehrlichiosis) caused by Ehrlichia risticii. Equine Potomavac is a liquid suspension of inactivated E. risticii, the microbe that causes Potomac Horse Fever.

Potomac Horse Fever (PHF) is a serious and deadly disease that continues to puzzle researchers. It has been recognized as a serious equine disease for nearly 30 years, yet details about it are still being discovered - including how the disease is transmitted. PHF has a complex life cycle that is believed to involve bacteria, flukes, snails and aquatic insects, such as caddisflies and mayflies. Annual vaccination just before peak insect hatch (mid- to late summer to early fall) with Potomavac can deliver reliable protection against this disease. Potomavac contains Ehrlichia risticii bacterin. This vaccine may be safely used in horses as young as 3 months of age.

Use with syringes made especially for horses.

Shipping Vaccines

For more information please refer to our informative Vaccine Schedule For Horses. Or view our Equine Vaccine Product Chart.

Keep track of your horse's vaccinations and medical records with a Horse Health Record.

In accordance with federal packaging regulation 9CFR Part 112, vaccines may only be shipped in the manufacturer's original, unopened container. This regulation helps ensure vaccine quality and consistency in labeling. However, because of this regulation, we cannot accept open packages of vaccines for return or replacement once the seal or package has been broken.

Please click on "More Information" for usage, and storage.

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We sell to breeders, groomers, kennels, catteries, shelters, rescue groups, farms, adoption agencies, veterinarians and other pet enthusiasts. We do not sell to other commercial entities, distributors, etc.

Dosage: For primary vaccination, aseptically inject 1 ml (1 dose) intramuscularly into healthy horses 3 months of age or older. Revaccinate with a second 1 ml dose 3 to 4 weeks later. Revaccinate annually with a single 1 ml dose.

Storage: Store at 2-7°C (35-45°F). Do not freeze. Use entire contents when first opened. Shake well before using.

Preservatives: Gentamicin.

Frequently Asked Questions

Q.	Why vaccinate your horse?

Q.	What is Potomac Horse Fever (PHF) and how is it transmitted?

Q.	What are the signs of PHF?

Q.	How can I help prevent my horse from being infected with PHF?

Q.	Why is it important to reduce aquatic insect populations?

Q.	Why vaccinate your horse?
A.	Vaccination may be the only way to help protect horses from some diseases, preventing disease causes less stress than recovery from infection, and many diseases cause permanent damage or death.

Q.

What is Potomac Horse Fever (PHF) and how is it transmitted?

A.

PHF has been something of a mystery to researchers for nearly 30 years. It was named after the river where it was first discovered, but it has been detected in many parts of the United States and Canada. It is usually found near bodies of water, but also has been found in areas as remote and arid as northern Wyoming.

PHF has a complex life cycle that is believed to involve bacteria, flukes, snails and aquatic insects, such as caddisflies and mayflies.

Q.	What are the signs of PHF?
A.	Signs can include: Depression High fever (102 - 107°F [38.8 - 41.7°C]) Colic, watery diarrhea Leukopenia Abortion Laminitis

Q.	How can I help prevent my horse from being infected with PHF?
A.	Ways to help prevent infection with PHF include reducing populations of aquatic insects: Use approved insecticides Use netting Reduce the use of nightlights, which attract insects Annual vaccination just before peak insect hatch (mid- to late summer to early fall)

Q.	Why is it important to reduce aquatic insect populations?
A.	Horses become infected with PHF after eating infected aquatic insects, so reducing the number of caddisflies, mayflies and other aquatic insects, especially during peak hatch, can reduce contamination of your horse's feed, bedding and water.

Equine Vaccine Product Chart

Horses should be vaccinated against all diseases they may be exposed to, including at home or if you travel with your horse. Discover & compare which horse vaccine is right for your horse.

Vaccination Schedule for Horses

Vaccinate your horse against all diseases he may be exposed to, including at home or if you travel with your horse. This chart is a guideline of the vaccines suggested for some general ages and classes of horses.

Common Infectious Horse Diseases

Infectious diseases are those diseases that horses can get from each other, or via a vector, such as a mosquito, which may transmit the disease from horse to horse. Horse owners can vaccinate their horses against many of these diseases.

Equine Encephalomyelitis

Equine Encephalomyelitis is a disease that affects the nervous system. This disease is caused by at least three different types of equine encephalomyelitis viruses (Eastern, Western, and Venezuelan), which are carried by mosquitoes.

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Potomavac® Potomac Horse Fever Vaccine