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. 2008 May 8;275(1645):1907–1916. doi: 10.1098/rspb.2008.0355

Figure 2.

Figure 2

(a) Mean BM increased significantly in the cold, increased with age and was higher in male voles (N=51, 50 and 8 for warm and 59, 56 and 8 for cold maintained voles at 4, 11 and 20 months of age, respectively). (b) RMR was significantly higher in the cold, increased significantly with increasing age and increasing BM, although no sex effects were seen (N=12, 31 and 10 for warm- and cold-exposed voles at 4, 11 and 20 months of age, respectively). (c) DEE was significantly higher in the cold-exposed voles, but declined significantly with age (N=15 and 7 for both warm- and cold-exposed voles at 11 and 20 months of age, respectively). No significant BM or sex effects on DEE were observed. (d) Daily food intake was significantly higher in the cold, and increased with both increasing BM and increasing age (N=51, 50 and 8 for warm and 59, 56 and 8 for cold maintained voles at 4, 11 and 20 months of age, respectively).