Potomac Horse Fever

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Potomac Horse Fever: Don't Ignore Fevers!

July 07, 2008

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... Read More

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Vaccination Schedule Guidelines

April 21, 2008

Developing a vaccination schedule is not as straightforward as it sounds. So much of what you should vaccinate for depends upon such factors as where you live, how often your horse travels, how old he is, his vaccination history, and what infectious ... Read More

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Vaccination, Early Recognition Key with Potomac Horse Fever

April 17, 2008

The name is deceiving, but Potomac horse fever (PHF) is not just a concern for horses near the Potomac River. Cases have been found across most of the United States.1 Knowing the key signs of PHF and watching carefully for them can... Read More

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PHF Vaccine Efficacy: Better Safe than Sorry?

August 01, 2007

Has there been new research completed on the available vaccines for Potomac horse fever?... Read More

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Potomac Horse Fever Cases Popping Up in Ohio

July 15, 2007

Cases of Potomac horse fever (PHF) are starting to appear in Ohio, according to Catherine Kohn, VMD, PhD.... Read More

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Potomac Horse Fever: Cause and Treatment

July 01, 2007

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.

The bacterium responsible for th... Read More

Article

Avoid Mayflies to Minimize PHF Risk

June 30, 2007

Minimizing your horse’s risk of contracting Potomac horse fever (PHF) might be as simple as shutting off the lights.

Mayflies—swarms of which are common in Southeast Minnesota and adjacent areas of Wisconsin—were incriminated as a vector... Read More

Article

Potomac Horse Fever: A Review

June 21, 2007

By Nathan M. Slovis DVM, Dipl. ACVIM, CHT, director, McGee Medical Center, and reprinted with permission from the Kentucky Equine Education Project newsletter

Potomac horse fever (PHF) is a bacterial disease that can affect... Read More

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Medicine and Disease

March 23, 2007

Equine authorities at the 2006 AAEP Convention discussed numerous medical topics, get the summary here.... Read More

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AAEP Convention 2006: Medicine

March 01, 2007

Uplifting Applications for UC Davis Large Animal Lift

John... Read More

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Vigilance Key in Managing for PHF

November 26, 2006

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... Read More

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13 Kentucky Potomac Horse Fever Cases

October 01, 2006

A few cases of Potomac horse fever (PHF) occur each fall in Kentucky. This year they were detected earlier than normal. Nathan Slovis, DVM, MS, Dipl. ACVIM, of Hagyard Equine Medical Institute in Lexington, Ky., said the early occurrence probably... Read More

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13 Kentucky Potomac Horse Fever Cases Confirmed

August 12, 2006

A few cases of Potomac horse fever (PHF) occur each fall in Kentucky. This year, a few cases have been seen, but they occurred a little earlier than normal. Nathan Slovis, DVM, MS, Dipl. ACVIM, of Hagyard Equine Medical Institute, said the early... Read More

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Vets Watch for Hurricane-Related Illnesses

October 12, 2005

With water pooling in places that it normally doesn't and sharp debris all around, horse owners can't help but wonder if conditions left by Hurricanes Katrina and Rita will cause an increase in the reports of illnesses such as tetanus,... Read More

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Potomac Horse Fever Outbreak in New York

August 25, 2004

Potomac Horse fever (PHF) season is now underway in New York. "There are no actual numbers for the (amount of) disease because it is spread out," according to Jenny Gold, DVM, an equine veterinarian in the large animal clinic at Cornell... Read More

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Potomac Horse Fever in Oklahoma

October 01, 2003

The death of at least one Oklahoma horse has been definitively linked to Potomac horse fever (PHF), a disease rarely found in the state. Two of her stablemates likely died of the same illness. The horse manager at the farm with the confirmed cas... Read More

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Detecting PHF in Oklahoma; Behind the Headlines

September 02, 2003

The recent confirmation of Potomac horse fever (PHF) in an Oklahoma horse was possible because of relatively new--and inexpensive--testing techniques that help speed diagnose of the disease. This allows horse owners to be alerted... Read More

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PHF in Oklahoma

August 25, 2003

The death of at least one Oklahoma horse has been definitively linked to Potomac horse fever (PHF), a disease rarely found in the state, and two of her stablemates likely died of the same illness. The horse manager at the farm with the confirmed... Read More

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Vaccination Protocols and Internal Parasite Controls

July 29, 2003

Preventing infectious diseases and parasites from attacking our horses are primary concerns for every horse owner. James D. Smith, DVM, a practitioner at Hagyard-Davidson-McGee Associates, PLLC, in Lexington, Ky., and Craig Reinemeyer, DVM, PhD,... Read More

Article

AAEP 2002: Kester News Hour

February 03, 2003

Probably the best-attended session of the American Association of Equine Practitioners (AAEP) annual convention, the Kester News Hour provides brief reports of studies that were too new or too brief to be included in the longer scientific... Read More

Article

No Live Foal Guarantees

February 01, 2003

Subconsciously, you've been holding your breath for months. From the moment your mare was confirmed in foal, it's been a tense waiting game. And although she will be foaling soon, you know a healthy foal is still anything but a given. Between... Read More

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More Kentucky Potomac Horse Fever Cases

October 01, 2002

Two additional cases of Potomac horse fever (PHF) have been confirmed at Hagyard-Davidson-McGee (HDM) veterinary hospital in Lexington, Ky., bringing the clinic's total to five confirmed cases since the end of July. Two other PHF cases previousl... Read More

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Potomac Horse Fever Fatality in Kentucky

September 01, 2002

A Thoroughbred filly in central Kentucky recently succumbed to Potomac horse fever (PHF), a disease that is detected only once or twice per year in the Commonwealth. The cause of death was a mystery until test results were received from the... Read More

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More Kentucky Potomac Horse Fever Cases Confirmed

August 15, 2002

Two additional cases of Potomac horse fever (PHF) have been confirmed at Hagyard-Davidson-McGee (HDM) veterinary hospital in Lexington, Ky., bringing the clinic’s total to five confirmed cases since the end of July. Two other PHF cases previousl... Read More

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Watch For Potomac Horse Fever in Kentucky

August 08, 2002

Four additional cases of Potomac horse fever (PHF) have been confirmed at two veterinary hospitals in Lexington, Ky. Three of the cases were treated at Hagyard-Davidson-McGee (HDM) Veterinary Hospital, where two of the horses are recovering... Read More