Weaning male Wistar rats were fed with a Torula yeast based semisynthetic diet supplemented with Na 2SeO 3 to provide selenium (Se) 0 2 or 0 5 mg/kg (adequate Se or high Sediet) respectively for 20 weeks.

• 在低硒酵母配制的低硒饲料的基础上，加亚硒酸钠配成含硒量为0.；2和5