Table 1.

Feed formula.

	Methionine restriction diet (0.17% methionine, w/w)/g	Standard diet (0.86% methionine, w/w)/g
Amino acid premix (no methionine, cystine)	131.9	131.9
Methionine	1.7	8.6
Glutamate	6.9	0
Carbohydrates (starch, dextrin, sucrose)	682.5	682.5
Cellulose	50	50
Minerals, vitamins (including choline)	47	47
Corn oil	80	80
Total	1000	1000
Additional volume density, kcal/g	3.7	3.7
Protein	15%	15%
Fat	19%	19%
CHO	65%	65%
Total	100%	100%