Potomac Horse Fever

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Potomac Horse Fever

Severe weather events that horse owners might encounter this summer, an increased possibility of Potomac horse

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Spring Vaccinations: Points to Consider Before You Buy

With a selection of horse vaccines readily available on local feed store shelves, purchasing a handful for use in your barn might be something you’re considering. But are there equine health risks lurking behind a choice to forgo your veterinarian’s

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Missouri Vets Report Surge in Potomac Horse Fever Cases

Potomac horse fever, a potentially fatal disease, has been reported among horses in the St. Louis, Mo., area in unusually high numbers. Philip Johnson, BVSc, MRCVS, MS, Dipl. ACVIM, a veterinarian at the University of Missouri College of

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Potomac Horse Fever: Don’t Ignore Fevers!

Summer and fall are key seasons for the appearance of Potomac horse fever, which is caused by the bacterium Neorickettsia risticii. Don’t be fooled by the name; Potomac horse fever originally was identified in 1979 as a sporadic disease

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Potomac Horse Fever: Cause and Treatment

Potomac horse fever (PHF) is a disease that affects horses during warm weather months, occasionally causing outbreaks of diarrheal illness in horses that are kept near rivers, streams, or in irrigated pastures.

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Vigilance Key in Managing for PHF

Tennessee Cases Increase


Potomac horse fever (PHF) probably has been endemic in the Western Hemisphere as long as horses have inhabited the region?perhaps even since the prehistoric era–and it’s here to stay. As awareness of th

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