The Effect of Exercise on Blood Metabolite Levels in the Horse
- 1 January 1975
- journal article
- Published by Wiley in Equine Veterinary Journal
- Vol. 7 (1), 27-33
- https://doi.org/10.1111/j.2042-3306.1975.tb03225.x
Abstract
The effects of exercise of different intensities on blood concentrations of glucose, lactate, pyruvate, free fatty acids and glycerol were studied in a group of clinically normal horses. Blood lactate, pyruvate and lactate/pyruvate ratio increased during exercise, particularly during galloping. These changes occurred within the first 12-15 seconds of exercise indicating that anaerobic metabolic pathways are brought into use very quickly in the strenuously exercising horse. Since blood glycerol levels were significantly increased during exercise body lipids were also mobilised. At the same time, free fatty acid levels increased during cantering but decreased during galloping indicating increased fat oxidation during strenuous exercise. It was concluded that both lipids and carbohydrates are as important energy sources in the exercising horse as in other species.Keywords
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