Objective: To observe the hypoglycemic effects of gastric bypass(GBP) in streptozotocin(STZ)-induced diabetic rats and to investigate the relationship between gastric bypass and weight loss or decreased food intake.

• 目的:观察胃旁路术(gastricbypass,GBP)对链脲佐菌素(strept-ozotocin,STZ)诱发的非肥胖型糖尿病大鼠的降糖作用及其与术后体重、饮食量改变的关系。