Recent News for Diseases and Conditions

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EEE in Wisconsin: Officials Say to Take Precautions

August 13, 2003

Eastern equine encephalitis has struck again in northwest Wisconsin, two years after a major outbreak that killed at least 42 horses (see article #2852), prompting the acting state veterinarian to urge horse owners again to vaccinate and... Read More

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First Texas Case of Anthrax in 2003

August 12, 2003

Texas officials have detected the state's first case of anthrax for 2003 in a white-tailed deer near Del Rio. "It's not unusual to have a few cases of anthrax in livestock or deer each year in Texas," said Bob Hillman, DVM, state veterinarian an... Read More

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Eastern Equine Encephalomyelitis Confirmed in Two Maryland Horses

August 06, 2003

The first positive cases of Eastern equine encephalomyelitis (EEE) this year in Maryland have been confirmed in two Lower Eastern Shore horses. Tissues from two horses, both from the Pocomoke City area in Worcester County, were submitted to the... Read More

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Blister Beetles Kill Horses

August 05, 2003

Three horses recently died of blister beetle poisoning in Clay County, Fla., and two have returned after treatment at the University of Florida following ingestion of alfalfa hay contaminated with blister beetles. The hay was delivered from a... Read More

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Reaction to WNV Vaccination?

August 01, 2003

My miniature horse injured her shoulder last February (it has healed). However, after her first West Nile virus vaccination over a year later, she became lame in that leg/shoulder again. Is this documented as a possible side effect to the... Read More

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Older Mares: She Ain't What She Used to Be

August 01, 2003

Wear on the reproductive tract can make it more difficult for older mares to conceive and carry a foal.... Read More

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West Nile Virus Vaccine: Adverse Reproductive Effects?

August 01, 2003

Top veterinarians and the USDA dispute allegations made in a May 30 article in The Denver Post that the West Nile virus (WNV) vaccine might have caused widespread abortions and deformed foals. Mare owners calling themselves the "Lost Foal... Read More

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Chemical Implicated in Causing MRLS

August 01, 2003

Research has shown 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, of Rood and Riddle Equine Hospital in... Read More

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

August 01, 2003

Veterinarians are scrambling to keep up with the Eastern equine encephalitis (EEE) cases emerging in the southeastern United States. Since the beginning of June, South Carolina has had 17 confirmed equine cases, with about 25 pending... Read More

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EEE: Still on the Offensive

July 30, 2003

Eastern equine encephalitis (EEE) case reports have risen into the hundreds this year, with confirmation of equine cases in at least nine states as the virus seemingly moves northwest from hot spots in the Southeast. Florida has been hit hardest... 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

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2003 Equine WNV Outlook for the United States

July 23, 2003

The U.S. Department of Agriculture (USDA) Center for Epidemiology and
Animal Health, a part of USDA's Animal and Plant Health Inspection
Service's (APHIS) Veterinary Services program (VS), recently released its
outlook for the occurrenc... Read More

Article

The Latest on EPM

July 23, 2003

Is it possible that the horse is a natural intermediate host in the life cycle of the parasite that causes equine protozoal myeloencephalitis (EPM), meaning the parasite can develop to a reproductive state in the horse? Are there other parasites... Read More

Article

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

Article

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

Article

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

Article

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