Maximal Stationary Metabolic Rate in Free-Moving Rats

This paper provides a procedure for estimating the maximal stationary metabolic rate (SMRmax) in free-moving rats. The SMRmax was estimated by simultaneously comparing energy expenditure with motor activity measured at 10 min intervals for 24 h. The SMRmax was close to but naturally higher than the...

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Veröffentlicht in:	Journal of Nutritional Science and Vitaminology 1997, Vol.43(3), pp.413-418
Hauptverfasser:	KOMENAMI, Naoko, MIYOSHI, Masamitsu
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences energy expenditure Energy Metabolism Fundamental and applied biological sciences. Psychology Intermediate and energetic metabolism Male maximal stationary metabolic rate Metabolisms and neurohumoral controls Motor Activity Rats Rats, Wistar Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Zusammenfassung:	This paper provides a procedure for estimating the maximal stationary metabolic rate (SMRmax) in free-moving rats. The SMRmax was estimated by simultaneously comparing energy expenditure with motor activity measured at 10 min intervals for 24 h. The SMRmax was close to but naturally higher than the resting metabolic rates determined by other conventional methods. The coefficient of variation for 3 con-secutive days was below 3%. The ratio of SMRmax to daily minimum energy expenditure was 1.25 in young rats and 1.19 in adult rats. SMRmax is a useful key parameter for analyzing daily energy expenditure and behavior.
ISSN:	0301-4800 1881-7742
DOI:	10.3177/jnsv.43.413