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Fig. 6. Relative contributions of carbohydrates (CHO) (black bars), lipids (white
bars) and proteins (grey bars) to total energy expenditure of ruff sandpipers
during (A) cold exposure and (B) running. Values significantly different from
controls (22°C for cold exposure and speed 0 for exercise) are indicated;
*P<0.05,
P<0.001. Values
are means + S.E.M. (N=6 for cold exposure and as in
Fig. 3 for exercise).