糠虾
- mysid;mysis stage;opossum shrimp
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结果表明,1.虾苗酶活力结果为:类胰蛋白酶及胃蛋白酶的活性有差异,溞状幼体期<糠虾幼体期<仔虾期;
The results indicate that : 1 . The activities of trypsin-like enzyme and pepsin were different in different stage of the larvae of prawn : Penaeus chinensis Zoea stage < Mysis stage < Post larval stage .
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状、糠虾、仔虾48h的LC50值分别为11.19、11.41和37.34mg/dm3NO-2-N;
The 48h LC50 ; values for zoea , mysis and postlarva are 11 . 19 , 11 . 41 and 37 . 34 mg / dm3 NO-2-N.
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1994年,5.5%的糠虾幼体和5.1%的仔虾检出有HPV的感染。在糠虾和仔虾阶段,海捕亲虾苗种的HPV带毒率为4.0%,越冬亲虾苗种的带毒率为6.2%。
In 1994 , 5 . 5 % mysis and 5.1 % postlarvae were infected by HPV . During mysis and postlarval stage , the viruliferous rate of HPV in larvae from wild spawners was 4.0 % , while that from overwintering spawners was 6.2 % .
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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
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哲水蚤、蟹类幼体和仔稚鱼主要出现在5月,短额刺糠虾主要出现在10月。
Calanoida , zoea larvae of crabs and fish larva mainly occurred in May .
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在以前的分类中是软甲亚纲的一个部;现在被糠虾目和鳞虾目取代。
In former classifications a division of Malacostraca ; superseded by the orders Mysidacea and Euphausiacea .
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与糠虾法和发光细菌法相比,发光海藻法具有抗干扰能力强、灵敏度高、检测时间短等优点。
This method has the advantage of good anti-jamming ability , higher sensitivity and short test time .
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目前将糠虾作为环境监测的一种很好的模式动物,已被国内外广泛接受。
Now mysis shrimp as a good model animals in environment monitoring has been widely accepted domestic and overseas .
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在糠虾幼虫第一期,胃分为贲门胃和幽门胃两部分。
Stomach is composed of two parts , the cardiac and pyloric region , at the first stage of mysis .
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日本新糠虾胚胎发育及母体大小与幼体关系研究
Study on the embryonic development and the relationship between the length of female and the newly hatched larvae of the Neomysis japonica
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一种无芽孢杆菌和一种弧菌对对虾糠虾幼虫期的危害及其防治方法的初步研究
Preliminary studies on the damage to the mysis larvae of prawn caused by Bacillus sp. and Vibrio sp. and the method of prevention
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以上结果说明组胺对黑褐新糠虾胚胎发育有一定影响,且随着浸浴时间延长影响较为显著。
These results demonstrate that histamine has the effect on the embryogenesis , and affect significantly with the extension of immersion time . 2 .
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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 .
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糠虾期、仔虾期在低盐度(S18.66)中生长速度快于在高盐度中,且在逐级递降的淡化过程中,仔虾的成活率较高。
Growth rate in mysis and larvae shrimp stage is greater at lower salinity ( S 18.66 ) than in higher salinity . And the survival rate of larvae shrimp is greater during the gradually desalting period .
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对虾选择河口附近海区产卵,但卵子一定要在盐度较高的海水中孵化变态,所见淹状、糠虾幼体分布的最低盐度为17.90‰;
Spawning of penaeid shrimp took place in the vicinity of estuaries , but only when the salinity of the sea water became higher could the eggs hatch and metamorphosis . The lowest salinity at which zoea and mysis have been found was 17.9 ‰ .