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夏、冬两季真鲷仔、稚、幼鱼消化酶活性的比较
引用本文:陈品健,王重刚,郑森林.夏、冬两季真鲷仔、稚、幼鱼消化酶活性的比较[J].海洋学报,1998,20(5):90-92.
作者姓名:陈品健  王重刚  郑森林
作者单位:厦门大学生物学系, 厦门361005
摘    要:通过夏、冬两季真鲷仔、稚、幼鱼蛋白酶、淀粉酶和脂肪酶活性的变化研究表明,夏、冬两季3种消化酶变化趋势基本相似。蛋白酶的活性冬季比夏季低1个数量级;淀粉酶的活性冬季比夏季低1倍左右;脂肪酶的活性冬季高于夏季,且一直维持在相对稳定的水平。结果表明,3种酶活性受温度影响外,冬季脂肪酶的高活性对鱼苗的生长、成活具有重要意义。

关 键 词:真鲷    仔、稚、幼鱼    消化酶活性    夏季    冬季
收稿时间:1997/11/5 0:00:00
修稿时间:3/3/1998 12:00:00 AM

Comparison between activity of digestive enzymes in Pagrosomus major larva, juvenile and young fish in summer and winter
Chen Pinjian,Wang Zhonggang and Zheng Senlin.Comparison between activity of digestive enzymes in Pagrosomus major larva, juvenile and young fish in summer and winter[J].Acta Oceanologica Sinica (in Chinese),1998,20(5):90-92.
Authors:Chen Pinjian  Wang Zhonggang and Zheng Senlin
Affiliation:Department of Biology, Xiamen University, Xiamen 361005
Abstract:Compared with the specific activity of protease, amylase and lipase in Pagrosomus major larva, juvenile and young fish in summer and winter, the result suggests that the changes of activity of the three en- zymes were general similar. The activity of protease in winter was lower a grade of ten than that in summer; the activity of amylase in winter was lower about twice than that in summer. This was possibly caused by temperature. The activity of lipase in winter was not only higher than that in summer, but kept in a relative stable level. It was suggested that the activity of lipase would make an important role in the growth and sur- vival of the fish fry in winter.
Keywords:Pagrosomus major larva  juvenile  young fish  digestive enzyme  summer  winter  
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