宫雪,姜志强,吴洪,范瑞,李艳秋

• 1:大连海洋大学农业部北方海水增养殖重点实验室

摘要(Abstract)：

用酶学分析法研究太平洋鳕仔鱼发育过程中胰蛋白酶、酸性蛋白酶、淀粉酶和脂肪酶活性的变化。结果表明:4种酶的比活力均在初孵时即可检出,但比活力变化趋势不同;胰蛋白酶比活力在仔鱼孵化初期较高,随后显著降低;酸性蛋白酶比活力在早期仔鱼阶段比较低,且较为稳定,从14日龄开始显著升高;淀粉酶比活力在3日龄即达到最大值,之后显著降低,并一直保持较低的比活力;脂肪酶的比活力一直较低,在5日龄达到最大值,之后比活力大幅度下降。仔鱼发育过程中,各种酶活性变化显著(p<0.05),太平洋鳕在仔鱼期已经可以消化蛋白质、脂肪和碳水化合物。

关键词(KeyWords)： 太平洋鳕;仔鱼;酸性蛋白酶;胰蛋白酶;淀粉酶;脂肪酶

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划(863计划)(2012AA10A413)

作者(Author): 宫雪,姜志强,吴洪,范瑞,李艳秋

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