蚤状幼体

将抱卵蟹浸入PA液进行处理，受处理卵培育至蚤状幼体检测，最高诱导率2729%。

In the PA treatment of pregnant crabs with fertilized eggs , the experiment results are as follows : the highest induction rate are 80.18 % in gastrula and 27.29 % in zoea .

1993年和1994年育苗期，在山东省十余家育苗场采集了亲虾、受精卵、无节幼体、蚤状幼体、糠虾幼体和仔虾等样品共56份。

Samples including spawners , fertilized eggs , nauplius , zoea , mysis and postlarval were taken from more than ten hatcheries during larval rearing period in 1993-1994 in Shandong province .

从蚤状幼体到大眼幼体各期饵料的适宜投喂量，以其目最大摄食量的70%为宜。

The biggest feeding dose per day at each stage from Zoaea to Megalopa is as good as 70 % .

在受精卵和氵蚤状幼体期无苹果酸脱氢酶酶带显示，卵裂期酶带数最多，酶活性相对也最强，以后随着发育的进行，酶带数和酶活性都有减弱的现象；

No MDH enzyme bands were observed in fertilized eggs and at zoaea stages , while most bands and the strongest activities emerged at cleavage stages .

定活体培育条件下，锯缘青蟹幼体[氵蚤状幼体（Z5）、大眼幼体（M）]4种消化酶（蛋白酶、α-淀粉酶、纤维素酶和脂肪酶）比活力的昼夜变化。

In this paper , studies were carried out on diel variations of four digestive enzyme ( protease , α amylase , cellulase and lipase ) activities in the larvae of mud crab , Scylla serrata , in artificial rearing .

中国对虾蚤状及糠虾幼体的蛋白质需求量

Study on protein requirement of zoea larvae and mysis larvae of Penaeus chinensis