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https://hdl.handle.net/2440/115744
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dc.contributor.author | Sloet van Oldruitenborgh-Oosterbaan, M.M. | - |
dc.contributor.author | Annee, M.P. | - |
dc.contributor.author | Verdegaal, E.J.M.M. | - |
dc.contributor.author | Lemmens, A.G. | - |
dc.contributor.author | Beynen, A.C. | - |
dc.date.issued | 2002 | - |
dc.identifier.citation | Equine Veterinary Journal, 2002; 34(Suppl. 34):29-32 | - |
dc.identifier.issn | 0425-1644 | - |
dc.identifier.issn | 2042-3306 | - |
dc.identifier.uri | http://hdl.handle.net/2440/115744 | - |
dc.description.abstract | Feeding a high-fat diet increases fat utilisation and may decrease glycogen utilisation resulting in a lower lactate production during moderate exercise. The effects of fat feeding on exercise- and lipid metabolism-associated blood variables were evaluated in 6 Standardbred horses during submaximal exercise. The horses were fed a high- (11.8% fat in total dietary dry matter) or a low-fat diet (1.5% fat) in a cross-over experiment with feeding periods of 4 weeks. At the end of each feeding period, the horses were subjected to a submaximal standardised stepwise exercise test on a treadmill. Blood samples were obtained prior to the start, during the last 10 s of each exercise step, and after recovery (40 min walking in hand). Pre-exercise test values for plasma lactate, pH, pCO2, ionised sodium, ionised potassium, ionised calcium, ionised chloride, glucose, nonesterified fatty acids and glycerol did not differ for the 2 diets. The preexercise concentration of triacylglycerols was significantly lower on the high- compared to the low-fat diet (mean ± s.d. 0.17 ± 0.06 and 0.23 ± 0.08 mmol/l, respectively), whereas the concentrations of cholesterol (3.00 ± 0.47 and 2.11 ± 0.49 mmol/l, respectively), HDL cholesterol (1.80 ± 0.18 and 1.35 ± 0.27 mmol/l, respectively) and phospholipids (2.30 ± 0.11 and 1.72 ± 0.20 mmol/l, respectively) were significantly higher. There was significantly less plasma lactate accumulation during exercise when the horses were given the high-fat diet (P = 0.011). Horses on a low-fat diet had significantly different plasma lipid values when compared to being on a high-fat diet. The alterations in these values during and after moderate exercise were comparable for both diets. These results indicate that fat metabolism is significantly adapted on a high-fat diet; feeding such a diet may enhance potential performance by delaying lactate accumulation and thereby delaying the onset of fatigue. | - |
dc.description.statementofresponsibility | M. M. Sloet van Oldruitenborgh-Oosterbaan, M. P. Annee, E. J. M. M. Verdegaal, A. G. Lemmens and A. C. Beynen | - |
dc.language.iso | en | - |
dc.publisher | Equine Veterinary Journal Ltd. | - |
dc.rights | © 2002 EVJ Ltd. | - |
dc.source.uri | http://dx.doi.org/10.1111/j.2042-3306.2002.tb05387.x | - |
dc.subject | Horse; lactate production; triacylglycerols; submaximal standardised treadmill exercise test; fat metabolism; equine performance | - |
dc.title | Exercise- and metabolism-associated blood variables in Standardbreds fed either a low- or a high-fat diet | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1111/j.2042-3306.2002.tb05387.x | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Verdegaal, E.J.M.M. [0000-0002-6482-3802] | - |
Appears in Collections: | Animal and Veterinary Sciences publications Aurora harvest 3 |
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