Latest News – The Horse

Milton McClure, DVM; and Gary Norwood, DVM, chaired an open forum on racing at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004. Bobby Lewis, DVM, the AAEP’s representative to the Racing Medication and Testing Consortium (RMTC), gave an update on what had transpired with that group in the past year. The biggest news was that the

Wayne McIlwraith, BVSc, PhD, DSc, FRCVS, DrMedVet (hc), Dipl. ACVS, director of Colorado State University’s Gail Holmes Equine Orthopaedic Research Center, gave a talk on Licensed Medications, “Generic” Medications, Compounding, and Nutraceuticals—What has Been Scientifically Validated, Where Do We Encounter Scientific Mistruth, and Where are We Legally?

The long title was needed for the

The mechanism of action of non-specific immunostimulation is induction of macrophages to produce proinflammatory cytokines that drive a T-1-based (helper cells) immune system response. Immunostimulation therapy may not be effective in patients with acute, fulminating (suddenly occurring) infections, because the immune response is (already) maximally stimulated by the pathogen.

What impact can a salmonella outbreak at a veterinary hospital and what can be done to prevent it? As part of a study to determine what could be done to cut down on the harmful bacteria, a footbath for workers was compared to disinfectant misting, she said.

The single most important cause of premature delivery of a foal is placentitis. It accounts for nearly one-third of late-term abortions and fetal mortality in the first day of life.

Performance of a thorough placental examination, he said, requires a basic understanding of placental anatomy and some familiarity with the gross features found in a normal placenta.

During the foaling season, Bain said, veterinarians are frequently called upon to deal with a foal that is the product of a mare with placentitis. These foals, he said, can range from being extremely early–300 days–with small size and organ function incompatible with life to a full-sized foal nearer to full-term gestation with minimal effects.

Mary DeLorey, DVM, owner of Northwest Equine Dentistry in Washington, began Horseman’s Day at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004, with a presentation titled “Everything You Wanted to Know About Equine Dentistry.” “Just a float isn’t enough anymore,” she told her listeners. “Comprehensive dental care is needed.” She said

At Horseman’s Day at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004, Sally Vivrette, DVM, PhD, Dipl. ACVIM, of Triangle Equine Veterinary Services in Cary, N.C., discussed strategies for keeping the performance horse healthy and fit.

“Maintaining a performance or pleasure horse represents a substantial investment of time and

Christy Malazdrewich, DVM, MVSc, PhD, Dipl. ACVIM, assistant clinical professor at the University of Minnesota, discussed metabolic problems at Horseman’s Day at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004. She gave clear-cut descriptions of two baffling conditions–Cushing’s disease and metabolic syndrome. She opened with this

Ken Bedell, DVM, of Cornell University, addressed one of the newer maladies that has shown up in the horse world–equine motor neuron disease–at Horseman’s Day at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004. He characterized the affliction as any disease that targets the nerves that coordinate the muscle structure, such as

In horses with HC, the skin separates between the deep and superficial dermis. There is no cure. A DNA test for carrier identification is not yet available, and therefore, managed breeding strategy is currently the only option for reducing the incidence of HC.

Aleman reported on a genetic problem called equine malignant hyperthermia (EMH) that can make simple anesthesia deadly for some horses. Malignant hyperthermia-like episodes in the horse have been associated with drugs such as halothane, isoflurane, succinylcholine, and caffeine.

Rhodococcus equi is the most common cause of severe pneumonia in foals. However, despite intensive research, the reasons some foals get this pneumonia and some don’t are not known.