幼鱼

鱼体全长为2.5-3.2cm，仔鱼变态完全，成为幼鱼。

And they become the juvenile fish .

捕捞的渔获物中幼鱼不得超过规定的比例。

The proportion of juvenile fish in a catch may not exceed the specified level .

有些种类的鲱鱼幼鱼可制成罐头。

The young of some kinds of herring are canned as sardines .

两种鲟鱼幼鱼维生素A、C和E营养需要研究

The Requirements of Vitamin A , C and E for Two Kinds of Juvenile Sturgeons

温度、盐度、pH和麻醉剂对长鳍篮子鱼幼鱼耗氧率的影响

Effects of water temperature , salinity , pH , and anaesthetics on oxygen consumption rate of juvenile Siganus canaliculatus

结果表明，牙鲆幼鱼的耗氧率和氮排泄率均随体重的增加而增加，其差异均达到极显著水平（P＜0.01）；

The results reveal that both the oxygen consumption rate and nitrogen excretion rate of juvenile P.olivaceus increase significantly ( P < 0.01 ) as the body weight increases ;

鲫鲤杂交F1幼鱼耗氧率与窒息点的测定

Studies on Oxygen Consumption Rate and Suffocation Point of Cru-carp F1 Laver

牙鲆幼鱼对EPA和DHA的营养需求

Nutrient requirements for EPA and DHA by juvenile Paralichthys olivaceus

结果表明：（1）盐度胁迫对鲻鱼幼鱼的消化酶活力有显著影响（P0.05）。

The results indicated : ( 1 ) Salinity stresses had significant effects on specific activities of digestive enzymes ( P0.05 ) .

牙鲆幼鱼消化道内蛋白酶活性及食糜蛋白的GFP示踪

Protease activity and chyme protein tracing by GFP in the digestive tract of flounder Paralichthys olivaceus

铅暴露与排放对中华鲟幼鱼血液中ALT、AST活力的影响

Effects of lead on activity of ALT and AST in serum of juvenile Chinese sturgeon , Acipenser sinensis

E2诱导的鲫鱼（Carassiusauratus）幼鱼血清中卵黄蛋白原和钙含量相关性研究

Studies on the Correlation between Serum VTG and Serum Calcium of Juvenile Carassius auratus after Exposure to E_2

饥饿6d组幼鱼仅有部分补偿生长能力；

It had only partially compensatory growth ability in 6 d-deprived group ;

对鲫鲤杂交F1幼鱼的耗氧率、窒息点及其影响因素进行了测定。

The oxygen consumption rate and suffocation point of cru carp F1 laver of Carassius auratus hybridized with Cyprinus capio are studied .

南方鲇幼鱼的淀粉酶活性的基础水平（未经实验处理的0周）在胃、肠分别为0.073,0.108U／mg，高于某些肉食性鱼类的相应水平；

The basic level ( 0 . 073 U / mg for stomach and 0 . 108 U / mg for gut ) of amylase activities was higher than some other carnivorous fishes .

经过30d的生长和发育，进入幼鱼阶段；

After developing and growing for 30 days , it came into the juvenile period .

结果表明，饵料中缺乏EPA、DHA时，真鲷幼鱼生长缓慢，成活率仅达65%；

The results showed : the juvenile growth was slow and survival rate was only 65 % , when EPA and DHA were insufficient in diets .

结果如下：1、蛋白质水平对鳡幼鱼生长性能的影响：各试验组幼鱼的成活率均很高，为95.56%～100%，组间无显著差异（P0.05）。

The results are as follows : 1 . Effects of protein levels on growth performance : No significant difference was observed among groups on survival rate , which ranged from 95.56 % to 100 % .

结果表明，PHA可以明显刺激鲤幼鱼粘液细胞的增殖，提高粘液细胞的密度。

The result showed that , PHA could improve the proliferation of the mucous cell obviously , so as to have increased the density of the cell .

对5种饵料的脂肪酸进行了分析，结果显示，饵料中高度不饱和脂肪酸DHA和EPA的含量之间的比例，对点带石斑鱼幼鱼的生长比其含量本身更加具有明显的影响。

The fatty acid analysis of the 5 diets showed that the content ratios of DHA to EPA were more important factor to influence the growth speed of the fish .

通过向真鲷幼鱼饵料中分别添加0.2%、0.5%和1%的EPA、DHA以及两种混合脂肪酸，以豆油为基础脂肪源研究真鲷幼鱼的EPA、DHA的需求量。

The red sea bream 's requirements of EPA , DHA and their mixture acids were studied by addition of0.2 % , 0.5 % and1 % respectavly into the experimental diets .

采用金鱼（Carassiusauratus）幼鱼的卵黄蛋白原（VTG）作为雌激素污染的生物标志物，评价了几种酚类化合物的雌激素效应。

The relative estrogenic effects of several phenolic compounds were evaluated by using VTG of juvenile goldfish ( Carassius auratus ) as a biomarker .

结果表明：鲫鱼幼鱼血清中VTG和钙含量与E2的暴露剂量均有很好的剂量-效应关系。

The results demonstrated that there was good dose-related response between the concentration of E_2 and serum VTG as well as serum calcium of juvenile Carassius auratus .

从总体结果来看，鲻鱼幼鱼在9d左右适应不同盐度的水环境。

All the results revealed that the juvenile grey mullet could adapt to different salinity environment in 9 days .

DOM不影响5～6月龄幼鱼和1龄性成熟鱼的血清GH水平。

DOM showed no effect on the GH levels in both 5 & 6 months old juvenile and 1-year old sexually mature fish . These resultes suggested that age significantly influences the GH secretion in common carp .

试验从刚孵出的幼鱼开始，流水式试验持续30d，换水式试验历时16d。

Tests began using newly hatched loach larvae and were run for 30 days in flow-through test or 16 days in renewal test .

实验结果表明，He-Ne激光辐照对三种幼鱼的生长均有促进的作用，并且不同的功率和功率密度的影响是不同的，适当的激光参量会产生较佳的影响效果。

The experimental results shown that there is a promoted action in growth of three larvae , effects of irradiation with laser power or power density were not the same but suitable laser parameter will produce a good result .

目前，虽然有研究证实含金雀异黄素的饵料喂养能诱导雄鱼及幼鱼体内VTG的产生，但对其诱导机理却尚未进行深入研究。

Although there has been several researches proving that fish meal with genistein could induce VTG synthesis in juvenile and male fish , the mechanisms is still unknown .

利用RNA酶保护法对7月龄性未成熟幼鲤和2龄性成熟鲤组织胰岛素样生长因子-I（IGF-I）mRNA的表达水平进行测定，结果表明成鱼肝和肾脏组织IGF-imRNA的丰度显著高于幼鱼。

IGF I mRNA expression of 7-month old juvenile and 2-year old adult common carp were determined by RNase Protection Assay . Results showed that the hepatic IGF I mRNA level of adult fish was significantly higher than that of 7-month old juvenile fish ;

基于此，本论文研究了大菱鲆幼鱼对鳗弧菌W-1灭活疫苗的免疫应答水平、免疫保护力、免疫应答时间及二次免疫反应。

The vaccination against V.anguillarum ( W-1 ) was performed in two tests to determine the specific immune response of the turbot for the inactivated vaccine .