Metabolic causes of equine exercise intolerance.
Abstract: Metabolic causes of exercise intolerance can be subtle and difficult to document in horses. Because of increased metabolic rate in exercising muscle, most metabolic causes of exercise intolerance are clinically manifested by muscle abnormalities such as ER. Newer causes of ER are being documented by current research and are summarized in the article on muscular causes of equine exercise intolerance. Endocrine causes of exercise intolerance have been poorly documented, but recent work has shown the detrimental effects of hypothyroidism on exercise tolerance in horses. Many metabolic manifestations of exercise intolerance are cumulative in heat exhaustion; prevention by veterinary monitoring is the best treatment, followed by cold water bathing and oral or intravenous fluid and electrolyte replacement. Several ergogenic aids have been proposed and marketed for use in horses, but each has its own problems and few have been shown clearly to have positive effects on performance.
Publication Date: 1996-12-01 PubMed ID: 8938960DOI: 10.1016/s0749-0739(17)30271-7Google Scholar: Lookup
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Summary
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The research articulates how metabolic causes can cause exercise intolerance in horses, highlighting muscle irregularities such as Exertional Rhabdomyolysis (ER) and the potential impacts of conditions like hypothyroidism, with prevention strategies proposed to mitigate potential issues.
Investigation of Metabolic Causes
- The study centers on the investigation of metabolic causes of exercise intolerance in horses, which are subtly presented and challenging to document.
- Bearing in mind the escalated metabolic rate in exercising muscles, a majority of such metabolic causes are clinically visible through muscle abnormalities like Exertional Rhabdomyolysis (a condition causing muscle breakdown due to intense physical exercise).
- Current research is consistently identifying newer causes of such muscle-induced exercise intolerance in horses.
Endocrine Causes and Effects of Hypothyroidism
- The research also inspects the endocrine causes of exercise intolerance, which have not been thoroughly documented in the past.
- Recent research has illustrated the negative impact of hypothyroidism on exercise tolerance in horses, introducing a unique thread to the understanding of exercise intolerance in the species.
Metabolic Manifestations & Prevention Strategies
- Most metabolic manifestations of exercise intolerance are cumulative, with heat exhaustion being a frequently observed issue.
- The study suggests prevention as the most effective treatment method, primarily through veterinary monitoring.
- Subsequent measures comprise cold water bathing and introducing oral or intravenous fluid and electrolyte replacements, aiming to replenish the horse’s system and thwart potential episodes of exercise intolerance.
Ergogenic Aids
- The research also investigates several proposed ergogenic aids that are marketed for horses – these are substances designed to increase performance.
- Each aid is known to have unique complications, and very few have been definitively proven to enhance performance levels in horses.
To conclude, the study is an in-depth exploration of metabolic and endocrine causes leading to exercise intolerance in horses, offering insightful prevention and management strategies to ensure optimal health and performance in the species.
Cite This Article
APA
Foreman JH.
(1996).
Metabolic causes of equine exercise intolerance.
Vet Clin North Am Equine Pract, 12(3), 537-554.
https://doi.org/10.1016/s0749-0739(17)30271-7 Publication
Researcher Affiliations
- Department of Veterinary Clinical Medicine, University of Illinois, College of Veterinary Medicine, Urbana, USA.
MeSH Terms
- Acid-Base Equilibrium
- Animals
- Energy Metabolism / physiology
- Exercise Tolerance / physiology
- Horses / metabolism
- Horses / physiology
- Muscle, Skeletal / metabolism
- Muscle, Skeletal / physiology
- Physical Conditioning, Animal / physiology
References
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Citations
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