Metabolic causes of equine exercise intolerance.

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish (US)
Pages (from-to)537-554
Number of pages18
JournalThe Veterinary clinics of North America. Equine practice
Issue number3
StatePublished - Dec 1996

ASJC Scopus subject areas

  • Equine


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