An oral glucose tolerance test (OGTT) was performed and blood samples were taken for measurement of serum insulin, triglyceride (TG) and total cholesterol (TC) level.

• 喂养6周后，进行口服葡萄糖耐量试验（OGTT），测定血清胰岛素、甘油三酯、总胆固醇等指标，并计算胰岛素敏感指数（ISI）。