The alkaline protease activity was identified after hatching.Acid protease was not present until the appearance of the gastric gland (about 15 days old).
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美
- 结果表明,大菱鲆初孵仔鱼体内就已具有碱性蛋白酶活性,而酸性蛋白酶活性在15日龄左右胃腺出现时才测得。