Recent News for Diseases and Conditions

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AAEP Convention: New/Emerging Diseases

March 01, 2003

INFECTIOUS DISEASE FORUM


With West Nile virus (WNV) marching across the United States and affecting both horses and humans, infectious disease prevention has been a hot topic in barns, the media,... Read More

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Botulism in Foals: A Survivable Disease

March 01, 2003

Botulism in foals less than six months of age is readily treated, with a survival rate of more than 95% in appropriately treated foals. Treatment can include nursing care, intravenous fluid support, nasogastric or nasoesophageal tube feeding... Read More

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AAEP Convention: Peripheral Cushing's

March 01, 2003

Peripheral Cushing's syndrome (PCS) is a recently named problem seen in middle-aged horses and ponies with obesity-associated laminitis. These horses tend to accumulate fat in the crest of the neck, over the rump, and in the sheath of males. It... Read More

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AAEP Convention: Reproduction

March 01, 2003

The reproduction session was something of an A to Z seminar. It started with discussions on endometrial echotexture (ultrasound results) and using computer analysis to determine when a mare will ovulate, or has ovulated, and along the way... Read More

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AAEP Convention: Respiratory Problems

March 01, 2003

INFLUENZA


"Diseases like flu and herpesvirus are always going to be problems for horse owners, and they are not going away," said Tom Chambers, PhD, of the University of Kentucky's Gluck Equine Research... Read More

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Ohio State University Veterinary Hospital Management of Horses from University of Findlay EHV-1 Outbreak

February 28, 2003

Admission: Six horses were referred from the University of Findlay for emergency treatment. All horses had signs of neurological disease. One horse was dead on arrival on 19 January 03; this horse went directly to necropsy and was never... Read More

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Equine Herpesvirus 1: Pathophysiology and Commonly Asked Questions

February 28, 2003

The following information was posted on The Ohio State University Veterinary Teaching Hospital's web site Feb. 26. The author, Catherine W. Kohn, VMD, Dipl. ACVIM, is professor of equine medicine and surgery at OSU.... Read More

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Possible Equine Herpesvirus Type 1 Cases in Iowa

February 26, 2003

At least two Iowa horses have been euthanized after battling what officials believe might be the neurologic form of equine herpesvirus type 1 (EHV-1). According to Iowa State Veterinarian John Schiltz, DVM, officials know of only one premis... Read More

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Colorado State Researchers Developing New Test for Strangles

February 26, 2003

Equine researchers at Colorado State University's James L. Voss Veterinary Teaching Hospital are developing a faster and simpler test to determine a horse's exposure level to strangles. Currently, tests exist only for horses with active... Read More

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Equine Herpes Virus Type 1 Cases at Pennsylvania Racetrack Keeping Officials Cautious

February 26, 2003

A restriction on horses shipping between Philadelphia Park Racetrack and Penn National Race Course due to three horses testing positive for equine herpesvirus type 1 (EHV-1) at Penn National might be lifted early next week, officials... Read More

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West Nile Virus Found in Overwintering Mosquito in Pennsylvania

February 26, 2003

Pennsylvania Department of Environmental Protection and Lehigh County West Nile virus (WNV) personnel detected WNV in a Catasaqua Borough mosquito pool.

The West Nile virus workers were collecting samples to determine the status of the... Read More

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Gastroduodenoscopy: What to Expect

February 25, 2003

Veterinarians have a variety of ways to look inside your horse to see what might be bothering him. One of these methods is gastroduodenoscopy, which allows the veterinarian to see the interior of the esophagus, stomach, and duodenum with the use... Read More

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West Nile Virus Vaccine Receives Full Licensure

February 24, 2003

The USDA has issued a full license to Fort Dodge Animal Health for its West Nile virus (WNV) vaccine that has been distributed under a conditional license since August of 2001. Results of efficacy studies completed and submitted to the USDA... Read More

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Localized Equine Herpesvirus Detected at Penn National Racecourse

February 24, 2003

A small outbreak of equine herpes at Penn National Racecourse has prompted management of Philadelphia Park to bar horses shipping in to race as well as horses shipping out to "race and return" from the Grantville, Pa. oval.

Richard... Read More

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AAEP 2002: Infectious Diseases Subdued, Not Eradicated

February 21, 2003

In discussing anthrax, screwworms, and piroplasmosis, Irby said that the three disease are related in that each "can affect equids, has the potential to devastate domestic livestock, is present in many foreign countries, and may... Read More

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AAEP 2002: Vitex Agnus Castus Extract for Treatment of Equine Cushing's Syndrome

February 21, 2003

Vitex agnus castus extract (Chaste Berry) has been reputed to have therapeutic efficacy in the treatment of Equine Cushing’s syndrome. However, results of a study at the University of Pennsylvania’s New Bolton Center repudiated these... Read More

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AAEP 2002: Prevention and Control of Pneumonia Caused by Rhodococcus equi

February 21, 2003

Pneumonia caused by the bacteria Rhodococcus equi is an often-fatal disease that can be difficult to eradicate from affected farms. “The impact of this disease can be large because prevalence and case-fatality rates are often high;... Read More

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Equine Heart Murmurs (AAEP 2002)

February 19, 2003

Despite the high incidence of murmurs in racehorses, they are very hard to diagnose. Heart murmurs are usually low-frequency sounds at the lower limit of human hearing which are difficult for the human voice to reproduce accurately.... Read More

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Horses At Risk For Ulcers

February 18, 2003

Horses moving faster than a walk could be at greater risk of developing gastric ulcers. Alfred Merritt, DVM, MS, and Mireia Lorenzo-Figueras, DVM, recently discovered that changes in gastric tension during intense exercise can push acidic stomac... Read More

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AAEP 2002: OIE Flu Surveillance

February 14, 2003

“Diseases like flu and herpesvirus are always going to be problems for horse owners, and they are not going away,” said Tom Chambers, PhD, of the University of Kentucky’s Gluck Equine Research Center. “The secret to effective vaccines for flu is... Read More

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"Fact Book" Details Effects of MRLS in Kentucky, Other Industry Numbers

February 14, 2003

The number of mares bred in Kentucky in 2002--the year after mare reproductive loss syndrome first hit--fell by 3.4% from 2001, but the state's broodmare population remains 33% higher than it was a decade earlier, according to figures released b... Read More

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OSU Equine Hospital Temporarily Closes for Cleaning and Disinfection; Three Horses Showed Neurologic Signs

February 14, 2003

The Equine Hospital at the Ohio State University College of Veterinary Medicine has closed its doors to non-emergency horse admissions until Feb. 20, 2003. This action has been taken to allow disinfection of the hospital because of potential... Read More

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AAEP 2002: Botulism in Foals: A Survivable Disease

February 13, 2003

Historically, botulism has usually been seen as a fatal problem for the young foal. However, Pamela Wilkins, DVM, PhD, of the Graham French Neonatal Intensive Care Unit at the University of Pennsylvania’s New Bolton Center, said that she ha... Read More

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Failure of Serologic Tests to Detect Rhodococcus equi Foal Pneumonia

February 13, 2003

In the past, some veterinarians have relied on commercially available serologic tests to establish, confirm, or rule out a diagnosis of foal pneumonia caused by the soil-borne bacteria Rhodococcus equi.... Read More

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Diagnosis and Treatment of Rhabdomyolysis in Foals

February 13, 2003

We hear a lot about a horse experiencing rhabdomyolysis (tying-up) during or after exercise. However, foals are also susceptible to muscle damage. Stephanie Valberg, DVM, PhD, of the University of Minnesota, presented "A Review of the Diagnosis... Read More