取1日龄小鸡经4日低硒维生素 E 饲料的适应期后,分成两组分别喂以12.4%和18.2%不同蛋白质水平的黄豆玉米饲料。两组饲料硒含量皆为0.01ppm,维生素 E 含量处于同等缺乏度。实验期为15日。在实验期第4日和第13日分别取两组小鸡血和组织,测定其含硒量和谷胱甘肽 The 1-day-old chicks were divided into two groups and fed with soybean protein diet at different protein levels of 12.4% and 18.2%, respectively, after the fourth day of low-vitamin E diet. The two groups of feed selenium content are all 0.01ppm, vitamin E content in the same lack of degree. The experiment period is 15 days. On the 4th and 13th day of experiment, two groups of chickens’ blood and tissues were taken respectively to measure the content of selenium and glutathione