Article
Phenotypic and evolutionary plasticity of body composition in rats selectively bred for high endurance capacity.
Journal of applied physiology (Bethesda, Md. : 1985) - 1 Sept 2010
Swallow J G, Wroblewska A K, Waters R P, Renner K J, Britton S L, Koch L G
Abstract excerpt
We investigated the effects of genetic selection and prolonged wheel access (8 wk) on food consumption and body composition in lines of rats selected for high and low intrinsic (untrained) endurance running capacity (HCR and LCR, respectively) to test the generality of phenotypic correlations between physical activity levels, aerobic capacity, and body composition. HCR rats ran more minutes per day on activity...
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