Recent News for Diseases and Conditions

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West Nile Virus in Minnesota and South Dakota Horses

July 31, 2002

The Minnesota Board of Animal Health announced July 30 that West Nile virus (WNV) has been confirmed in four Minnesota horses through testing conducted by the U.S. Department of Agriculture’s National Veterinary Services Laboratories (NVSL) in... Read More

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West Nile Virus in Ontario, Canada

July 31, 2002

According to Ontario’s Ministry of Health and Long-Term Care, as of July 30, 2002, West Nile virus (WNV) has been confirmed in 38 birds, and another five birds are presumably positive in Ontario.

The confirmed and presumed positive bird... Read More

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West Nile Virus Detected in South Dakota

July 28, 2002

West Nile virus (WNV) has been detected in a dead crow in Aberdeen, South Dakota, a state health official said June 26. Testing at the State Public Health Laboratory in Pierre confirmed the virus. This is the first detection of the virus in Sout... Read More

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West Nile Virus Exhibit at Dallas Museum of Natural History

July 26, 2002

The Dallas Museum of Natural History opens a special educational exhibit about West Nile virus (WNV), Wed., July 31. The exhibit allows visitors to explore what the virus is, how it originated, how we can protect ourselves and how it is... Read More

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West Nile Virus In 31 States and D.C. in 2002

July 25, 2002

West Nile virus (WNV) has continued its advance across the United States, appearing for the first time in 2002 where it has visited in previous years, and making its debut in other states untouched by the virus before 2002. In all, 31 states and... Read More

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West Nile Virus Confirmed in Oklahoma

July 19, 2002

The Oklahoma State Department of Health and Tulsa City-County Health Department confirmed July 18 that a crow found in the Tulsa city limits has tested positive for West Nile virus (WNV). This is the first detection of the virus in Oklahoma. No... Read More

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Potomac Horse Fever Fatality in Kentucky

July 18, 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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Second West Nile Virus Horse Euthanized In Kentucky

July 18, 2002

The Kentucky State Veterinarian’s office reported this evening that a 5-year-old Tennessee Walking Horse gelding in Nelson County has tested positive for West Nile virus (WNV). The gelding began showing clinical signs on July 9, and his ataxia... Read More

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KTA Sets Meeting for MRLS Loan Applicants

July 17, 2002

The Kentucky Thoroughbred Association (KTA) will offer a seminar July 25 to assist breeders in filling out loan applications for funding tied to mare reproductive loss syndrome. The money is available through a federal law enacted in... Read More

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Caterpillars Cause Late-Term Abortions

July 16, 2002

The University of Kentucky (UK) College of Agriculture today is releasing preliminary results from a collaborative project involving the UK Livestock Disease Diagnostic Center (Drs. Lenn Harrison, Manu Sebastian, and Deborah Williams), UK... Read More

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Does Ultrasound Give Clues to Abortion Cause?

July 16, 2002

Hagyard-Davidson-McGee veterinary associates worked with the University of Kentucky (UK)he latest project that has associated Eastern tent caterpillars (ETC) and mare reproductive loss syndrome (MRLS). Drs. Nathan Slovis and Thomas Seahorn, both... Read More

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New Discoveries in MRLS Research

July 16, 2002

Four interesting facts were brought to light because of the late-term abortion and Eastern tent caterpillar (ETC) study that was recently completed at the University of Kentucky (UK), according to Dr. Thomas Tobin of the Gluck Equine Research... Read More

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West Nile Virus in Arkansas and North Dakota

July 16, 2002

A horse in Grand Forks County, ND, has been confirmed as positive for West Nile virus (WNV). This is the first-ever detection of WNV in North Dakota.

The horse was an approximately 2-year-old Quarterhorse gelding that became ill on June... Read More

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More West Nile Virus Found in Kentucky

July 10, 2002

A total of seven birds and one horse have tested positive for West Nile virus (WNV) in Kentucky in 2002, according to Rusty Ford of the Kentucky State Veterinarian’s office. The one horse, which was euthanized, was from Fayette County. Two birds... Read More

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Probable First Equine West Nile Virus Case in Texas

July 05, 2002

Preliminary tests indicate that Texas has its first equine West Nile virus (WNV) case. The sick horse was euthanized June 29 near Katy, Texas. West Nile virus was detected for the first time in Texas on June 18 near Houston; since then, 29... Read More

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West Nile Virus Education is Key

July 03, 2002

"Whether or not West Nile virus (WNV) is going to become a serious concern in your state, the media is going to make it one," stated Bill Saville, DVM, PhD, Dipl. ACVIM, of The Ohio State University's (OSU) Department of Veterinary Preventive... Read More

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Tying-Up in Horses

July 01, 2002

Tying-up is the most common muscle problem in horses. This syndrome is also called azoturia, set fast, paralytic myoglobinuria, and chronic exertional rhabdomyolysis (ER). HYPP (hyperkalemic periodic paralysis) in Quarter Horses is a different... Read More

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Breathe Easier!

July 01, 2002

When Anne Thomas called me to her ranch house early one spring morning, she said it was urgent. Her 5-year-old horse, Charlie, was having trouble breathing. When I arrived at the barn, I could see the bay gelding standing in the middle of his... Read More

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Mosquito Patrol

July 01, 2002

Mosquitoes are more than a nuisance, they are a public and equine health hazard. In addition to spreading West Nile virus (WNV), mosquitoes can carry malaria, yellow fever, dengue, filariasus (e.g., dog heartworm), and several encephalitis... Read More

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Researchers Share West Nile Virus Tips

July 01, 2002

Veterinarians experienced in the surveillance, treatment, and public education of West Nile virus (WNV) presented their research and observations of the disease at the recent annual meeting of the American College of Veterinary Internal Medicine... Read More

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West Nile Virus Testing

July 01, 2002

A key in West Nile virus (WNV) surveillance is reporting disease incidence--WNV is a reportable disease in all states. Testing of suspect clinical cases is a service provided by the federal and state governments. It costs nothing at the national... Read More

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West Nile Virus Vaccine: Where It's Been, Where It's Going

July 01, 2002

West Nile virus (WNV) has become a 365-day-a-year virus--new cases of disease have been detected every month in Florida since its initial appearance there last year, except for March of 2002. Where there are mosquitoes year-round, there will be... Read More

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Study Associates Caterpillars and Reproductive Losses

July 01, 2002

A recently completed collaborative effort at the University of Kentucky (UK) associated the Eastern tent caterpillar and its frass (excrement) and mare reproductive loss syndrome (MRLS). This is only the first step in looking at the... Read More

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Update on the Eastern Tent Caterpillar

July 01, 2002

The newest study on early fetal loss and Eastern tent caterpillars (funded by the Grayson-Jockey Club Research Foundation) began on May 21 and was scheduled to continue for three weeks. The research is led by internal medicine specialist Bill... Read More

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Horse Dies of Rabies at Pennsylvania Race Course

July 01, 2002

According to a recent report from the Daily Racing Form, a horse with rabies died May 12 at Penn National Race Course in Grantville, Pa. The 7-year-old Thoroughbred gelding showed symptoms of rabies and was placed in quarantine before he... Read More