Recent News for Diseases and Conditions

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EEE Advisory Issued in Tennessee

July 23, 2003

Tennessee animal health officials on alert for the return of West Nile virus are also on the lookout for the re-emergence of another mosquito-borne disease in the Southeast--Eastern equine encephalitis (EEE). Tennessee's first EEE case for 2003... Read More

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West Nile Virus Spreads: Horses in at Least 15 States Affected This Year

July 16, 2003

West Nile virus (WNV) is steadily spreading across the country, having been detected in at least 33 states so far this year*. Horses in 15 states have been infected with the virus in 2003; the most recent announcements of equine WNV cases were... Read More

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Mexico Declares West Nile Virus State of Emergency

July 15, 2003

According to a Reuters health story distributed via ProMED-mail, Mexico has declared a state of emergency due to West Nile virus (WNV), declaring it a severe risk to the horse population and a growing public health threat.

The first... Read More

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Florida Officials Urge Caution As EEE Cases Reach Epidemic Proportions

July 15, 2003

Florida Commissioner of Agriculture and Consumer Services Commissioner Charles H. Bronson is concerned about the high number of Eastern Equine encephalitis (EEE) cases in the state and is urging horse owners to get the proper immunizations for... Read More

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Maryland Horse Tests Positive for Rabies

July 03, 2003

Maryland state veterinarian Phyllis Cassano, DVM, announced today that an Anne Arundel County, Md., horse has tested positive for rabies. The 7-year-old Quarter Horse mare named Coup de Harmony had recently competed at the East Coast Barrel Bash... Read More

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Senior Citizen Surgery

July 01, 2003

When a senior horse needs surgery, there is a concern that he will not survive the procedure because of age. ... Read More

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EPM Testing in Foals

July 01, 2003

Diagnosis of equine protozoal myeloencephalitis (EPM) involves a technique called Western blotting (WB), which identifies antibodies against Sarcocystis neurona, the parasite responsible for the disease. A positive result on WB does not... Read More

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Florida EEE Case Count Escalates to 70; Georgia Count is Nine

July 01, 2003

The number of Eastern equine encephalitis (EEE) cases in Florida had risen to 70 as of May 30, further substantiating an earlier suspicion that 2003 will be a tough year for fighting the disease. Florida's case count for all of 2002 was 25... Read More

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2002 Economic Impact of WNV on Colorado and Nebraska

July 01, 2003

A study led by researchers at Colorado State University (CSU) found that West Nile virus (WNV) cost equine owners in Colorado and Nebraska more than $1.25 million in 2002, and prevention costs for WNV vaccination likely topped another $2.75... Read More

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Throat Studies

July 01, 2003

A pair of recent studies conducted by researchers in New York, Ireland, and Australia have provided new information about the equine throat. Articles about both research projects appeared in the May 2003 issue of the Equine Veterinary... Read More

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MRLS Workshop Proceedings Available

July 01, 2003

The Kentucky Agricultural Experiment Station has published the scientific papers from the August 2002 workshop on mare reproductive loss syndrome (MRLS) convened at the University of Kentucky's (UK) Gluck Equine Research Center. This information... Read More

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Heat Stress in Horses

July 01, 2003

Beneath your helmet, your head feels hot and sweat drips off your face as you ride. Your horse's neck is soaked, and your reins are slippery and lathered. The more you call for an effort from your horse, the more sluggish he seems. Despite movin... Read More

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Upper Airway Problems in Horses

July 01, 2003

Noise and exercise intolerance...those are the usual signs of an upper airway disorder. Many things can go wrong with a horse's breathing mechanisms that don't involve the lungs. The diagnoses aren't always accurate, and treatments aren't totall... Read More

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Noted Gastroenterologist to Deliver Convention State-of-the-Art Lecture

July 01, 2003

Alfred M. Merritt II, AB, DVM, MS, will present the Frank J. Milne State-of-the-Art Lecture at the AAEP’s 49th Annual Convention in New Orleans, La., November 21-25, 2003. Merritt’s presentation will highlight advances made over the last 40 year... Read More

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Kentucky MRLS 2003 Update

June 30, 2003

There was some apprehension in Central Kentucky as to whether the elimination of cherry trees and spraying for caterpillars would be enough to decrease the numbers of mare reproductive loss (MRLS) abortions that occurred in 2001, and to a lesser... Read More

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EEE Strikes South Carolina; Georgia and Florida Continue to Log Cases

June 30, 2003

Veterinarians are scrambling to keep up with the number of Eastern equine encephalitis (EEE) cases that continue to emerge in the southeastern United States. South Carolina in the last three weeks had 17 equine cases confirmed, and about 25... Read More

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USDA Clarification on the Issue of the West Nile Virus Vaccine: Vaccine Safe for Use

June 26, 2003

From the USDA:

"Some recent stories have suggested that the Fort Dodge Animal Health West Nile Virus Vaccine approved by the U.S. Department of Agriculture (USDA) may cause pregnant mares to abort or give birth to deformed foals. The... Read More

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Chemical Implicated in Causing MRLS

June 26, 2003

A research project has determined that it probably isn't a virus or bacteria (a biological agent) that links the Eastern tent caterpillar (ETC) to mare reproductive loss syndrome (MRLS). Bill Bernard, DVM, Dipl. ACVIM, an internal medicine... Read More

Article

The Mycotoxin Problem

June 25, 2003

There can be a number of reasons why a horse might have performance problems. A diagnosis can be frustrating, but one reason that might be overlooked is mycotoxicosis. It wasn’t until recently that the significance of mycotoxins was realized,... Read More

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Veterinarians Debunk Suggested Link Between WNV Vaccine and Birth Problems

June 23, 2003

Despite recent media reports, Wyoming, Colorado, and USDA veterinarians say that there is currently no scientific proof to link the West Nile virus vaccine to aborted, stillborn, or deformed foals, and that horse owners should continue to... Read More

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Dietary Clues to Tying-Up

June 20, 2003

Recurrent exertional rhabdomyolysis (RER, a type of tying-up) is an inherited disorder in Thoroughbreds. Research suggests that RER involves an abnormality in the regulation of calcium in muscle cells. High-grain diets have been implicated as... Read More

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84 Florida EEE Cases

June 18, 2003

The number of cases of Eastern equine encephalitis (EEE) in Florida has risen to 84. The cases have been found in 30 counties. Only 22 of the horses were alive at the time of reporting the disease, but according to officials, many of the horses... Read More

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Seven Cases of EEE Confirmed in SC

June 17, 2003

According to an Associated Press story in The Post And Courier, a newspaper in Charleston, Clemson University tests show that Eastern equine encephalitis (EEE) has killed four horses in Berkley County, S.C., during th... Read More

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Fort Dodge Speaks Out on WNV Vaccine

June 12, 2003

Over the course of the past few weeks, news articles and Internet rumors have surfaced regarding the West Nile-Innovator vaccine, the USDA-approved vaccine for protecting horses against West Nile virus. The rumors and misinformation pertain... Read More

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MRLS Agent in or on Caterpillar Exoskeleton

June 10, 2003

The University of Kentucky College of Agriculture last week released the results of a recently completed experiment conducted by the Departments of Veterinary Science (Karen McDowell, MS, PhD) and Entomology (Bruce Webb, MS, PhD, and... Read More