Table 1.

Metabolic, hormonal and biochemical characterization of Wistar rats exposed for two days to +4°C

Parameters	Control	T4°C
Mean food intake (g (24 h)−1)	18.9 ± 1.3	27.2 ± 2.1*
Body temperature (°C)	36.4 ± 0.4	36.1 ± 0.4
Body weight variation (g)	+ 5.0 ± 0.6	−11.9 ± 0.8*
Glucose (mg dl−1)	92.4 ± 1.3	91.2 ± 2.0
Insulin (ng ml−1)	2.55 ± 0.34	1.32 ± 0.24*
Leptin (pg ml−1)	2435 ± 221	1503 ± 119*
TSH (ng ml−1)	13.6 ± 1.3	13.9 ± 2.0
Corticosterone (ng ml−1)	93.5 ± 3.6	98.3 ± 4.4

For all parameters; n = 6,

^*P < 0.05.