Table 1.

Nutrient and Energy Composition of Custom Diets

	Chow	Isocaloric, fat-adjusted diets			Constant fat, carbohydrate-adjusted diets
		% Fat			% Carbohydrate
		5%	10%	15%	50%	60%	70%
Metabolizable energy (kcal/g)	3.1	3.7	3.7	3.7	3.3	3.7	4.1
% by weight
Fat	6.4	5	10	15	6.6	6.6	6.6
Protein	24.3	18.3	18.3	18.3	18.3	18.3	18.3
Carbohydrate	38.7	63.6	52.4	41.1	48.6	59	68.6
Fiber	11.3	3	10.5	18	18	7	—