Effects of ribose supplementation on selected metabolic measurements and performance in maximally exercising Thoroughbreds
Journal of Animal Science, ISSN: 0021-8812, Vol: 82, Issue: 2, Page: 619-625
2004
- 6Citations
- 16Captures
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Article Description
The objective of this study was to investigate the effects of ribose supplementation on blood ammonia-N, plasma lactic acid, plasma glucose, volume of oxygen consumption (VO), heart rate, and performance in Thoroughbred geldings performing a maximal treadmill standardized exercise test (SET). The hypothesis tested was that ribose supplementation would decrease ammonia-N and lactic acid accumulation during exercise, and improve performance. Eight Thoroughbred geldings were assigned randomly to one of two groups: glucose or ribose. The glucose group received 0.15 g glucose/kg of BW, and the ribose group received 0.15 g of ribose/kg BW top-dressed on the feed twice daily. After 2 wk of glucose or ribose supplementation, a SET was performed. Blood was analyzed for blood ammonia-N, plasma lactic acid, and plasma glucose before exercise (0 min), every minute during SET, and at 15 and 30 min after exercise. Heart rate and VO were recorded for the duration of SET. After a 10-d washout period, geldings switched groups. Following another 2 wk of supplementation, a second SET was performed, and same data recorded. Blood ammonia-N and plasma lactic acid increased as duration of SET increased and reached a peak at 15 min after exercise. Peak plasma glucose was observed at 15 min after exercise, and peak heart rate and VO were recorded at highest speed during SET. Geldings supplemented with ribose had blood ammonia-N, plasma lactic acid, plasma glucose, VO, heart rate, and performance similar to those of geldings supplemented with glucose. Results from this study show that supplementation with 0.15 g ribose/kg BW twice daily in the diet of conditioned Thoroughbred geldings for 2 wk does not influence blood ammonia-N, plasma lactic acid, plasma glucose, VO, heart rate, or performance during SET or the first 30 min of recovery. © 2004 American Society of Animal Science. All rights reserved.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=2342639561&origin=inward; http://dx.doi.org/10.2527/2004.822619x; http://www.ncbi.nlm.nih.gov/pubmed/14974563; https://academic.oup.com/jas/article/82/2/619/4834445; https://dx.doi.org/10.2527/2004.822619x; https://academic.oup.com/jas/article-abstract/82/2/619/4834445?redirectedFrom=fulltext
Oxford University Press (OUP)
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