Rallie McAllister, MD

Rallie McAllister, MD, grew up on a horse farm in Tennessee, and has raised and trained horses all of her life. She now lives in Lexington, Ky., on a horse farm with her husband and three sons. In addition to her practice of emergency and corporate medicine, she is a syndicated columnist (Your Health by Dr. Rallie McAllister), and the author of four health-realted books, including Riding For Life, published by Eclipse Press and available at www.ExclusivelyEquine.com or by calling 800/582-5604.""allie McAllister

Articles by: Rallie McAllister, MD

Risk Factors for Horse Falls in U.K. Hurdle and Steeplechase Racing

It is well documented that the equine fatality rate for hurdling and steeplechase racing is significantly higher than that of flat racing. The disparity in fatality rates is likely due to the fact that the types of injuries sustained in jump racing differ from those sustained in flat racing. Some catastrophic injuries, such as vertebral fractures, occur more frequently in horses racing over

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Vaccination of Wild Mice Could Reduce Transmission of Lyme Disease

Vaccinating large populations of wild mice against the bacterium that causes Lyme disease could one day help reduce the risk of transmission of the infection to horses.

A recent study, supported by the National Institute of Allergy and Infectious Diseases, demonstrated that the vaccination of wildlife hosts might be a promising, ecologically based strategy to help prevent the spread of

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Conformation Development in Growing Thoroughbreds

Selection of Thoroughbred horses for racing and breeding is based primarily on equine performance, pedigree, and phenotype (physical characteristics). Although conformation plays a critical role in the evaluation of horses, current methods of analyzing equine conformation are largely subjective and vary according to personal opinion and individual experience.

To develop practical,

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COX-2 Selective Drugs Considered Safe for Horses

Following the release of human clinical trial data demonstrating the link between pain-relieving medications known as COX-2 inhibitors and an increased risk of heart attack and stroke, the U.S. Food and Drug Administration recently issued a public health advisory recommending limited use of the drugs. The advisory, which also covers various non-steroidal anti-inflammatory drugs (NSAIDs)

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Transport and the Immune System

In a study published in the Equine Veterinary Journal investigating the effects of long-term transport on horses, Carolyn Stull, DVM, showed measurable changes in immunological status. She also found the immune systems of transported horses took about 24 hours to recover, making travel-stressed horses more prone to problems upon arrival at their destinations.

According to Stull, a

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Tegaserod Enhances Gut Motility in Horses

A recent study conducted at the University of Berne Equine Clinic in Switzerland demonstrated that the prokinetic (promoting movement) drug tegaserod stimulated gut motility and accelerated gastrointestinal transit in healthy horses. The study findings, published in the Equine Veterinary Journal, are consistent with those observed in large clinical trials involving human patients and

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Track Surface Conditions Influence Likelihood of Racing Fractures

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New Discovery Treats Antibiotic-Resistant Bacteria

A new scientific discovery soon could provide an alternative to antibiotics for treating bacterial infections in horses. In the September issue of Nature, microbiologists at the University of California, Los Angeles, reported that bacteriophages–viruses that infect bacteria–can be genetically engineered to seek out and destroy specific types of disease-causing bacteria.

At

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Lameness and Pelvic Height

The results of a recent study published in the American Journal of Veterinary Research suggest that hind limb lameness in the horse can be evaluated most effectively and objectively by measuring changes in pelvic height during trotting.

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Intestinal Healing Delayed With Banamine and Etodolac

Horses with colic are often treated with Banamine, a non-steroidal anti-inflammatory drug (NSAID) that effectively reduces pain and inflammation. Although Banamine (flunixin meglumine) helps colicky horses feel and look better, the drug can have

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