克山病是我国一种地方性心肌病,主要是因硒缺乏而造成的心肌损伤,这似说明在硒缺乏时对不同组织中的影响不同。本实验旨在观察硒耗竭过程中和耗竭后补硒过程中不同的组织器官利用硒的优先性。1　材　料　与　方　法1.1　动物饲料　　两个动物实验所用的基础饲料均为低硒酵母(To Keshan disease is a endemic cardiomyopathy in China, mainly due to myocardial damage caused by the lack of selenium, which may indicate the different effects on different tissues in the absence of selenium. The purpose of this experiment was to observe the priority of using selenium in different tissues and organs during selenium depletion and after selenium depletion. 1 Materials and Methods 1.1 Animal Feed The two basic animal feed used for experiments are low-selenium yeast (To