Optimal nutrition for athletic performance, with emphasis on fat adaptation in dogs and horses.
Abstract: Four mathematical approaches are proposed to determine optimal ranges of nutrients for specified purposes. For exercise, the diet must provide optimal mixtures of fuels, also optimal amounts of nutrients conducive to a sound structure, a desired power/weight ratio, a water-electrolyte system that resists dehydration and buffers hydrogen ions, a tolerance to the cumulative stress of repetitive competition and tractable attitude. The nutritional strategy of carbohydrate loading risks a variety of abnormalities in dogs and horses. An alternative strategy of fat adaptation (the combination of fat feeding and training) was found to improve aerobic performance in dogs and horses and to spare glycogen utilization and reduce lactate accumulation. Surprisingly, improved anaerobic performance has also been confirmed in fat-adapted horses that have been sprint trained. Fat adaptation increased the blood lactate responses to incremental tests and repeated sprints. Blood lactate accumulation during repeated sprints was affected synergistically by the combination of fat adaptation and sodium bicarbonate supplementation. Fat adaptation in horses appears to facilitate metabolic regulation to achieve power needs, with glycolysis decreasing during aerobic work but increasing during anaerobic work and with blood lactate changes following accordingly. Interactions between fat adaptation and dietary cation-anion balance need further investigation.
Publication Date: 1994-12-01 PubMed ID: 7996286DOI: 10.1093/jn/124.suppl_12.2745SGoogle Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
- Review
Summary
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This research explores the most advantageous dietary strategies for athletic dogs and horses, particularly focusing on the benefits of a fat-adapted diet, which balances their nutrition for optimized performance.
Overview of the Research
- The study presents four methods to quantify the ideal range of nutrients for specific objectives, particularly for physical performance. The diet should offer the right blend of fuels and nutrients to support a healthy structure, a desired power to weight ratio, a fluid and electrolyte system to prevent dehydration, a tolerance for repeated competition stress, and an approachable attitude.
- A common nutritional strategy, carbohydrate loading, can cause various health problems in dogs and horses. Therefore, this research investigates the benefits of an alternative fat-adapted diet, which pairs dietary fat intake with training.
Fat-Adaptation Strategy
- The experiment found that a fat-adaptation strategy consistently elevates aerobic performance levels in dogs and horses while also rationing glycogen usage and reducing lactate accumulation in the body.
- Interestingly, this dietary method also boosted the anaerobic performance of horses subjected to sprint training. Fat adaptation led to increased blood lactate responses during incremental testing and recurrent sprints.
- The muscle burn experienced during repeated sprints was positively influenced by the combination of a fat-adapted diet and sodium bicarbonate supplementation.
Effects and Outcomes of Fat Adaptation
- Fat adaptation in horses seemed to manage energy demands efficiently: the breakdown of sugars decreased during aerobic workouts but increased during anaerobic tasks. This was accompanied by corresponding changes in blood lactate levels.
- There is a suggestion that a fat-adapted diet can help improve athletic performance in dogs and horses by ensuring better metabolic regulation, aerobic and anaerobic capacity, and control of fatigue-related elements such as lactate buildup.
Further Research Needed
- The interaction between fat adaptation and dietary cation-anion balance is an area that demands more comprehensive research. The study hints at a possible relationship, but further investigation is necessary to confirm and understand the details of this interaction and its implications for the nutrition of athletic animals.
Cite This Article
APA
Kronfeld DS, Ferrante PL, Grandjean D.
(1994).
Optimal nutrition for athletic performance, with emphasis on fat adaptation in dogs and horses.
J Nutr, 124(12 Suppl), 2745S-2753S.
https://doi.org/10.1093/jn/124.suppl_12.2745S Publication
Researcher Affiliations
- Department of Animal Science, Virginia Polytechnic Institute and State University, Blacksburg 24061-0306.
MeSH Terms
- Adaptation, Physiological
- Animal Nutritional Physiological Phenomena
- Animals
- Dietary Fats / administration & dosage
- Dogs / physiology
- Glycogen / metabolism
- Horses / physiology
- Humans
- Lactates / blood
- Physical Conditioning, Animal
- Sports
Citations
This article has been cited 4 times.- Modica LCM, Flores-Felix K, Casachahua LJD, Asquith P, Tschiffely A, Ciarlone S, Ahlers ST. Impact of ketogenic diet and ketone diester supplementation on body weight, blood glucose, and ketones in Sprague Dawley rats fed over two weeks. Food Chem (Oxf) 2021 Dec 30;3:100029.
- Kerksick CM, Wilborn CD, Roberts MD, Smith-Ryan A, Kleiner SM, Jäger R, Collins R, Cooke M, Davis JN, Galvan E, Greenwood M, Lowery LM, Wildman R, Antonio J, Kreider RB. ISSN exercise & sports nutrition review update: research & recommendations. J Int Soc Sports Nutr 2018 Aug 1;15(1):38.
- Angle CT, Wakshlag JJ, Gillette RL, Steury T, Haney P, Barrett J, Fisher T. The effects of exercise and diet on olfactory capability in detection dogs. J Nutr Sci 2014;3:e44.
- de Godoy MR, Beloshapka AN, Carter RA, Fascetti AJ, Yu Z, McIntosh BJ, Swanson KS, Buff PR. Acute changes in blood metabolites and amino acid profile post-exercise in Foxhound dogs fed a high endurance formula. J Nutr Sci 2014;3:e33.
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