Table 2. Biliary lipid composition in summer and late torpor ground squirrels.

	Summer Fed	Late Torpor
Cholesterol (µM/ml)	8.26±1.09	16.72±1.84*
Cholesterol (%)	3.2±0.2	4.8±0.05*
Bile Acids (µM/ml)	207.2±21.5	256.9±10.2
Bile Acids (%)	79.7±1.0	74.1±1.2*
Phospholipids (µM/ml)	43.6±4.0	73.9±6.9*
Phospholipids (%)	17.1±1.0	21.1±1.1*

Concentrations and molar ratios (%) of cholesterol, bile acids and phospholipids from summer fed (n = 7) and late torpor (n = 6) squirrels. Values are means ± s.e.m.,

*indicates late torpor is different from summer fed in the same column.