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. Author manuscript; available in PMC: 2008 Oct 1.
Published in final edited form as: Mech Ageing Dev. 2007 Aug 2;128(10):539–545. doi: 10.1016/j.mad.2007.07.005

Fig. 2.

Fig. 2

Rate of resting oxygen consumption in 14−16-month-old C57BL/6 (top panel) and DBA/2 mice (bottom panel) maintained under ad libitum (AL) or 40% caloric restriction (CR) regimens since 4 months of age. Resting oxygen consumption of each mouse was determined during a 10−30 min period of sleep and standardized using different criteria as shown in the panels from left to right: The whole mouse, body weight, lean body mass and organ weight (liver + kidney + heart + brain) (see METHODS). Data are represented as the mean ± SEM (n = 10). * P < 0.025 when compared with AL group.