Your Guide to Equine Health Care

David Marlin, BSc, PhD

David Marlin, BSc, PhD, is an equine respiratory and exercise specialist and holds positions at universities both in the United States and in the United Kingdom. He has published more than 200 scientific papers and book chapters. David’s other affiliations and positions include member of the editorial consultants’ board of the Equine Veterinary Journal, Chairman of the International Conference on Equine Exercise Physiology (ICEEP) and editor of Comparative Exercise Physiology. David Marlin also works in a professional capacity with riders, owners, and trainers in all equestrian sports, including racing, and he was involved in the lead-up to the Beijing Olympics. His recent projects have included a review of the effects of temperature on horses during transport for DEFRA, investigation of welfare in Endurance racing for the FEI, development of testing methods for equine boots and a study of the health and welfare impact of long distance transport to slaughter in Europe for World Horse Welfare.

Articles by: David Marlin, BSc, PhD

Breathing, Stride, and Jumping Performance

This is exemplified by the respiratory and cardiovascular systems, which must get up to “speed,” often from a standing start, to ensure that sufficient oxygen is delivered to the working muscles to allow them to continue to function optimally.

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The Airways and the Lungs

The harder a horse works, the more oxygen it needs and the more air it must move into and out of the lungs. Understanding how the horse’s respiratory system works can help horse owners recognize problems and/or manage horses to prevent them.

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The Airways and Lungs

By the time a horse crosses the finish line in a five-furlong race, has completed a Grand Prix show jumping round, or gone one-sixth of the way round a 3-star cross-country course, he will have moved somewhere around 1,800 liters of air in and out of the lungs.

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