Records |
Author |
Rietbroek, N.J.; Dingboom, E.G.; Joosten, B.J.L.J.; Eizema, K.; Everts, M.E. |
Title |
Effect of show jumping training on the development of locomotory muscle in young horses |
Type |
Journal Article |
Year |
2007 |
Publication |
American Journal of Veterinary Research |
Abbreviated Journal |
Am J Vet Res |
Volume |
68 |
Issue |
11 |
Pages |
1232-1238 |
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Abstract |
OBJECTIVE: To investigate whether training for show jumping that is commenced early after birth affects the characteristics of equine locomotory muscle. ANIMALS: 19 Dutch Warmblood horses. PROCEDURES: Horses were assigned to a trained or not trained (control) group. After weaning, training (free jumping [2 d/wk] that was alternated with a 20-minute period of exercise in a mechanical rotating walker [3 d/wk]) was started and continued until horses were 3 years old. Fiber type composition (determined from myosin heavy chain [MyHC] content), fiber area, diffusion index (area supplied by 1 capillary), citrate synthase activity, and Na(+),K(+)-ATPase content were assessed in gluteus medius muscle specimens collected at 0.5, 1, 2, and 3 years. RESULTS: Developmental changes included an increase in MyHC fiber type IIa and a decrease in type IIad; increases in fiber area, diffusion index, and citrate synthase activity; and a decrease in Na(+),K(+)-ATPase content. The MyHC fiber type I and type IId were detected in high and low proportions, respectively. Training increased Na(+),K(+)-ATPase content, but did not affect other variables. CONCLUSIONS AND CLINICAL RELEVANCE: In horses, show jumping training at an early age resulted in increased Na(+),K(+)-ATPase content of the deep portions of the gluteus medius muscle. The lack of training effects on the other muscle characteristics can partly be explained by the fact that an appropriate (aerobic) fiber type composition was already established at training commencement. These data also suggested that the developmental changes in equine muscle represent sufficient adaptation to meet the demands of this specific training. |
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Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, 3508 TD Utrecht, The Netherlands |
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English |
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0002-9645 |
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PMID:17975979 |
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Equine Behaviour @ team @ |
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4358 |
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Author |
Potter, G.D.; Yeates, B.F. |
Title |
Behavioral principles of training and management |
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Year |
1990 |
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The Horse, 2nd Edn |
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665-682 |
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Cited By (since 1996): 4; Export Date: 21 October 2008 |
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Equine Behaviour @ team @ |
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4540 |
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Waring, G.H. |
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Book Whole |
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2003 |
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Horse behavior. 2nd ed |
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442 pp |
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Cited By (since 1996): 1; Export Date: 21 October 2008 |
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Equine Behaviour @ team @ |
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4548 |
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Author |
Dalin, G.; Magnusson, L.E.; Thafvelin, B.C. |
Title |
Retrospective study of hindquarter asymmetry in Standardbred trotters and its correlation with performance |
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Journal Article |
Year |
1985 |
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Equine Vet. J. |
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17 |
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292-296 |
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Cited By (since 1996): 8; Export Date: 24 October 2008 |
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Admin @ knut @ |
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4579 |
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Author |
Wood Gush, D.G.M. |
Title |
The Behaviour of the Domestic Fowl |
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Miscellaneous |
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1971 |
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Equine Behaviour @ team @ |
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4872 |
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Author |
Mills, G. |
Title |
Kalahari Hyenas |
Type |
Miscellaneous |
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1991 |
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Equine Behaviour @ team @ |
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4884 |
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Briefer, E.F.; Padilla de la Torre, M.; McElligott, A.G. |
Title |
Mother goats do not forget their kids' calls |
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Journal Article |
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2012 |
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Proc R Soc B |
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279 |
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Equine Behaviour @ team @ Briefer2012 |
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6282 |
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Ripple, W.J.; Estes, J.A.; Beschta, R.L.; Wilmers, C.C.; Ritchie, E.G.; Hebblewhite, M. |
Title |
Status and ecological effects of the world's largest carnivores |
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2014 |
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Science |
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343 |
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Equine Behaviour @ team @ Ripple2014 |
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6445 |
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Chapron, G.; Kaczensky, P.; Linnell, J.D.C.; Arx, M.; Huber, D.; Andrén, H. |
Title |
Recovery of large carnivores in Europe's modern human-dominated landscapes |
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2014 |
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Science |
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346 |
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Equine Behaviour @ team @ Chapron2014 |
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6451 |
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Author |
Dugnol, B.; Fernández, C.; Galiano, G. |
Title |
Wolf population counting by spectrogram image processing |
Type |
Journal Article |
Year |
2007 |
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Appl Math Comput |
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186 |
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Equine Behaviour @ team @ Dugnol2007 |
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6464 |
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