METHODS: Examine the expression of DSPP in mice at different stages by immunohistochemical technique.

方法：采用免疫组织化学染色技术，观测小鼠牙齿发育各阶段标本中DSPP的表达。

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Except that the fibrils occurred loose, the structure of DSPP treatment had no distinct alteration and was similar with control.

DSPP处理对胶原纤维的影响不大，结构基本上与对照接近，只是稍稍发生松动。

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The result indicated that HSBP and DSPP both can substitute for the fish meal, do not affect growth of broilers and are also inexpensive in economy.

结果显示，羊血球水解蛋白和酸变性血浆蛋白均可代替鱼粉而不影响肉鸡的生长速度，且更为经济。

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