The activity of immunocyte would be inhibited for the lack of selenium, while addition of selenium with proper dose could improve immune function dramatically.
当动物缺硒时，机体的免疫受到抑制，补充合适剂量的硒后，动物的免疫机能又得到改善。
The activity of immunocyte would be inhibited for the lack of selenium, while addition of selenium with proper dose could improve immune function dramatically.
当动物缺硒时，机体的免疫受到抑制，补充合适剂量的硒后，动物的免疫机能又得到改善。
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