Figure 2

Component of energy expenditure in ad libitum-fed rats: resting energy expenditure (a: REE), energy expenditure of motor activity (b: EE—Act), total energy expenditure (c: TEE), activity level (d) and cost of activity (e). Values are means ± SEM (n = 6 per group). a,b,c,dData that do not share the same letter are different at the P < 0.05 level.