PMID: 11323556Apr 27, 2001Paper

Association between vitamin E and enhanced athletic performance in sled dogs

Medicine and Science in Sports and Exercise
Richard J PiercyA Morrie Craig

Abstract

To determine the association between prerace plasma vitamin E concentration and performance in sled dogs competing in the 1998 Iditarod Race. Prerace blood samples were collected from 670 dogs. Samples were analyzed for plasma vitamin E concentration while controlling for selected hematological and biochemical variables and signalment. Starting in teams of 16, exercise consisted of running up to 1159 miles pulling a laden sled and musher via checkpoints. The records of dogs that were withdrawn from the race for health reasons, fatigue, or strategic or technical reasons, and those of dogs that finished the race were analyzed. Multiple logistic regression and Cox proportional hazards analysis were used to determine factors associated with endurance. Multiple linear regression analysis was used to determine factors associated with team speed. A total of 323 dogs (48%) were withdrawn from racing at various distances from the start. Median time to finish for 39 teams was 11.5 d and the winning time was 9.2 d. Dogs with prerace plasma vitamin E concentrations > 40.7 microg.mL-1 were 1.9 times more likely to finish (P = 0.0006) and had 1.8 times less of a risk of being withdrawn for every mile ran (P = 0.03) than were dogs with plasma...Continue Reading

Citations

Nov 9, 2011·Sports Medicine·Tina-Tinkara Peternelj, Jeff S Coombes
Jun 11, 2004·Journal of Animal Physiology and Animal Nutrition·J RailaF J Schweigert
Jul 25, 2012·Veterinary and Comparative Oncology·R FinotelloV Marchetti
Jan 1, 2014·Journal of Nutritional Science·Janice L HuntingfordJoseph J Wakshlag
Nov 7, 2006·The Veterinary Clinics of North America. Small Animal Practice·Steven C ZickerDennis E Jewell

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