南美白对虾早期幼体消化酶活力的研究  

SUDIES ON DIGESTIVE ENZYMES DURING EARLY ON TOGENY OF Penaeus vannamei Boone

作　　者：朱春华[1] 李广丽[1] 文海翔[1] 

机构地区：[1]湛江海洋大学水产学院,湛江524025

出　　处：《海洋科学》2003年第5期54-57,共4页Marine Sciences

摘　　要：以酶学分析方法对南美白对虾(Penaeus vannamei Boone)幼体及仔虾 4种消化酶的活力进行了分析测定,结果表明:南美白对虾早期幼体消化酶活力表现差异,类胰蛋白酶、胃蛋白酶的活力为无节幼体(N)<溞状幼体(Z)<糠虾幼体(M)<仔虾(P),类胰蛋白酶的活力比胃蛋白酶高2倍左右;淀粉酶的活力Z-M期表现较高,以后随幼体发育淀粉酶活力明显降低;脂肪酶活力在早期幼体发育阶段变化不大,且活力较低。The activities of digestive enzymes during early ontogeny of Penaeus vannamei Boone were conducted with the enzyme analytical method. The results indicated that the activities of trypsin-like enzyme and pepsin were different in different stages of Penaeus vannamei Boone: nauplius stage < zoea stage < mysis stage < post larval stage. The activities of trypsin-like enzyme were about 2 times higher than that of pepsin; The higher activity of amylase was found between zoea stage and mysis stage, and its activities decreased with growth in the post period. The activity of lipase was fairly low, and there was no obvious difference during larval development.

关 键 词：南美白对虾 早期幼体 消化酶 活力 

分 类 号：S917.4[农业科学—水产科学] Q55[生物学—生物化学]