Table 1.

Ingredient of diets used in this study.

Ingredient (g/kg Diet)
Casein	200
l-Cystein	3
Corn starch	150
Sucrose	500
Cellulose	50
Soybean oil	50
Lard	0
Mineral mixture	35
Vitamin mixture	10
Choline bitartrate	2
Energy (kcal/g)	4.00
Protein (% kcal)	20
Carbohydrate (% kcal)	64
Fat (% kcal)	16