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Table 1.

Mean plasma concentration and rate of appearance of glycerol in adult ruff sandpipers at thermoneutrality (22°C) and during shivering(5°C)

Control (22°C)Shivering (5°C)
Glycerol concentration (mmol 1-10.37±0.11 0.28±0.04 
Ra glycerol (μmol kg-1 min-160.3±14.1 55.2±5.9 
Fatty acid re-esterification (μmol FA kg-1 min-1121.9±36.8 85.6±14.8 
% Re-esterification of total FA made available by lipolysis 60.0±6.2 49.4±7.2 
Control (22°C)Shivering (5°C)
Glycerol concentration (mmol 1-10.37±0.11 0.28±0.04 
Ra glycerol (μmol kg-1 min-160.3±14.1 55.2±5.9 
Fatty acid re-esterification (μmol FA kg-1 min-1121.9±36.8 85.6±14.8 
% Re-esterification of total FA made available by lipolysis 60.0±6.2 49.4±7.2 

FA, fatty acid; Ra glycerol, rate of appearance of glycerol.

Absolute and relative rates of fatty acid re-esterification[(3Ra glycerol)—FA oxidation] are also indicated.

Values are means ± s.e.m. (N=5).

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