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. Residents of MI please ask your veterinarian for a prescription.