Exercise reduces fat selection in female Sprague-Dawley rats

G. D. Miller, A. G. Dimond, J. S. Stern

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

This study investigates the relationship between exercise and dietary macronutrient selection. Female Sprague-Dawley rats (5 months old) were placed on a macronutrient self-selection diet for 15 wk. Three food cups, each containing a separate vitamin and mineral supplemented macronutrient, i.e., fat, carbohydrate, or protein, were placed in the cage. Animals were either sedentary (Sed) or treadmill exercised (Ex) at 20 m · min-1, 60 min · d-1, for 6 d · wk-1. Cumulative daily energy and macronutrient intake were determined during this period. Energy intake was not different between Sed and Ex, 211.4 vs 213.5 kjoules · d-1, respectively. However, macronutrient intake differed with less fat eaten for Ex than Sed (81.5 kjoules and 38% for Ex; 114.0 kjoules and 47% for Sed). Carbohydrate and protein intake did not differ significantly between groups. Fifteen weeks of exercise training decreased dietary fat selection, but daily energy intake was not affected.

Original languageEnglish (US)
Pages (from-to)1466-1472
Number of pages7
JournalMedicine and Science in Sports and Exercise
Volume26
Issue number12
StatePublished - 1994

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physical Therapy, Sports Therapy and Rehabilitation

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    Miller, G. D., Dimond, A. G., & Stern, J. S. (1994). Exercise reduces fat selection in female Sprague-Dawley rats. Medicine and Science in Sports and Exercise, 26(12), 1466-1472.