The content of 5 kinds of trace elements in serum of clean KM mice feeding with eggs in the barrier system was determined by AAS and analysed with statistic method.

• 在屏障系统内,给清洁级KM小鼠在日粮中添加鸡蛋,用原子吸收光谱法测定了血清中5种微量元素,进行了统计学分析。