Recent News for Diseases and Conditions

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Focusing on the Flu

September 01, 2003

Equine influenza can strike a horse regardless of time of year. Competitive horses which attend events where other horses are congregated or horses which live in large boarding barns are particularly at risk. Not every horse which contracts a... Read More

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Roaring Down the Stretch

September 01, 2003

Most people who have been around horses long enough have heard a few make abnormal respiratory noises while exercising. These horses usually draw attention to themselves by the sheer volume of noise they create as they go around the show jumping... Read More

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Eastern Equine Encephalitis: Still on the Offense

September 01, 2003

Eastern equine encephalitis (EEE) case reports have risen into the hundreds already this year, with confirmation of equine cases in at least nine states. Florida has been hit hardest, with a total of 183 equine cases reported from 47 counties as... Read More

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Blister Beetle Poisoning in Florida

September 01, 2003

At press time, three horses had died of blister beetle poisoning in Clay County, Fla., and two others returned home following treatment at the University of Florida after eating alfalfa hay contaminated with blister beetles. The hay was delivere... Read More

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The Latest on EPM Research

September 01, 2003

The annual American Association of Veterinary Parasitologists met July 19-22 with presentations on many equine-related topics. The EPM Society held a roundtable during that meeting after presentations from top EPM (equine protozoal... Read More

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Maryland Horse Tests Positive for Rabies

September 01, 2003

Maryland state veterinarian Phyllis Cassano, DVM, announced on July 3 that an Anne Arundel County, Md., horse had tested positive for rabies. The 7-year-old Quarter Horse mare had competed at the East Coast Barrel Bash in Harrington, Del., June... Read More

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Terrorism Targets

September 01, 2003

September 11, 2001, did more to the American consciousness than make us aware that we are vulnerable to something as heinous as hijacked airplanes being crashed into densely populated office buildings. The September 11 attacks also brought with... Read More

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First 2003 West Nile Virus Finding in California

August 27, 2003

The first evidence of West Nile virus (WNV) in California this year was found in mosquitoes collected in Imperial County near the Salton Sea, announced Diana M. Bontá, RN, DrPH, state health director,  on Aug. 20. Several flocks of... 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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EEE Confirmed in New Jersey Horse

August 25, 2003

New Jersey officials announced last week that the state's first equine case of Eastern equine encephalitis (EEE) since 2000 had been detected. The 8-year-old Thoroughbred in Mays Landing, Atlantic County, was euthanized Aug. 7.

"Eastern... Read More

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New WNV Antibody Treatment Explained

August 20, 2003

West Nile Virus Antibody is a prescription product, administered intravenously by a licensed veterinarian. It is an antiserum product that increases the antibody level in the circulatory system. This enhances an animal's ability to neutralize virus... Read More

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West Nile Virus Antibody Product Receives Conditional License

August 19, 2003

The USDA's Animal Plant Health Inspection Service has issued a conditional license to Novartis Animal Vaccines, Inc., for the manufacture and distribution of West Nile Virus Antibody, Equine Origin, for treatment of disease caused by West Nile... Read More

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Melanomas: Gray Horses vs. Solid-Colored Horses

August 19, 2003

A recent Austrian study has shown that melanomas in gray horses are less malignant than those found in solid-colored horses characterized by early metastases (cancer that started from cancer cells from another part of the body). Researchers... Read More

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2003 West Nile Virus Updates

August 15, 2003

The West Nile virus (WNV) 2003 season is well underway. Reports of equine cases are steadily rolling in from states where the virus has been detected before, and veterinary and public health officials in those states that haven't experienced... Read More

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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