罗氏沼虾

作者研究了罗氏沼虾卵母细胞细胞器与卵黄发生的关系。

This thesis described the relationship of organelles in the oocyte with vitellogenesis in Macrobrachium rosenbergii .

运用物理、化学及生物法对罗氏沼虾育苗废水进行处理。

Physical , chemical and biological methods were used to treat the breeding ( Macrobrachium rosenbergii ) wastewater .

各种群罗氏沼虾个体基因组DNA的提取和纯化：采用SDS-蛋白酶K法进行提取，利用酚-氯仿-异戊醇进行纯化。

The purification of each individual 's gene DNA from the four populations : extract the DNA with SDS-proteinase K , then purify them with hydroxybenzene-chloroform-Isoamyl alcohol .

K值可作为评价罗氏沼虾高质量鲜度的指标，35%为可接受的极限值。

The experimental results suggested that K value can be used as a freshness index of shrimp of high quality and its maximum value for eatable shrimps is 35 % .

罗氏沼虾养殖成虾缅甸品系与泰国品系的外形特征比较

Appearance Comparison of Adult Freshwater Prawn Between Thailand Population and Burma Population

上海罗氏沼虾市场现状及其变化趋势

The present status and change trends of giant freshwater prawn market in Shanghai

罗氏沼虾亲虾培育技术乌鱼人工繁殖与苗种培育技术研究

A Study on the Technology of Artificial Reproduction and Fry Rearing of Snakeheaded Fish

用组织学方法初步研究了罗氏沼虾雌体腹肢外骨骼的结构。

Primary study on the histology of exoskeleton of female pleopod in Eriocheir sinensis ;

罗氏沼虾育苗后海水的净化及重复使用试验水稻机摆钵育苗气吸滚筒式自动清堵排种器

Suction drum-type seed metering device with auto-cleaning block of transplanter for tray grown rice seedling

为使扬州市罗氏沼虾可持续发展，研究了罗氏沼虾种质改良、养殖环境改良技术，提出了具体改良措施。

To sustain the shrimp development in Yangzhou , the strategies of genetic improvement , environment control were discussed .

罗氏沼虾池塘养殖高产试验豫北低池盐碱地池塘放养密度与鱼产量之间关系初探

Relation Between the Farming Density and the Yield of Fish in Ponds in Low-lying Saline-Alkali Soil in Northern Henan

结果显示罗氏沼虾胸神经节能分泌促进卵母细胞发育的激素。

The results show that the thoracic ganglion of M.rosenbergii can secrete peptide hormone which stimulates the oocyte development of the prawn .

罗氏沼虾育苗水体氨氮、亚硝酸盐氮的变化规律及对幼体的影响

Changing Pattern of Nitrite-Nitrogen and Ammonia-Nitrogen in Nursery Tank Water of the Freshwater Prawn ( Macrobrachium rosenbergii ) and Effect on the Larvae

观察发现，罗氏沼虾的贲门胃内无齿，胃壁背、腹面的一定部位有角质板的特殊结构。

It was found no any tooth in cardiac stomach , but there were cuticle plates in the dorsal and ventral wall of the stomach .

根据农业产业化理论，本文对扬州市罗氏沼虾的产业化经营的背景和现状进行了分析。

According to the theory of agricultural industrialization , this paper expatiates the background and status of industrial management about the giant freshwater prawn in Yangzhou .

研究了罗氏沼虾必需氨基酸的种类、数量及其比值.提出了罗氏沼虾不同生长期的建议营养指标。

The composition , amount and the ratios of the necessary amino acid of the prawn were studied and the nutritional requirement at different growth period was determined .

其生物学特性与罗氏沼虾和日本沼虾相比有许多相似之处，但在体色、额角、头胸甲和腹甲侧片等形态特征上差异十分明显。

Though there are many similarities in their biological characteristics , there are also many differences in body color , rostrum , carapace and sternite pleurons , which can be obviously identified .

试验结果表明，饲料中添加5%的青霉素药渣，罗氏沼虾的增重率比对照组高25.2%；

Experiment results showed that the growth rate of the prawn fed with the diets with an addition level of 5 % was 25 . 2 % higher than that of the control .

报道了罗氏沼虾配合饲料的加工、储存方法以及投饲量、投饲时间、投饲场所等投饲技术。

The paper also reported the manufacture and storage of the feed , and the feeding technique such as the feeding amount , the feeding time and the feeding spot was reported as well .

通过感官评定、微生物和生化指标的分析，评价了不同贮藏温度（10℃、5℃、0℃）对罗氏沼虾鲜度的影响。

The effects of different storage temperatures ( 10 ℃, 5 ℃ and 0 ℃) on freshness of shrimp ( Macrobrachium rosenbergii ) were evaluated by sensory method , microbial counts and biochemical properties .

本文分析的一些问题和提出的一些观点还是很肤浅的，希望对扬州市罗氏沼虾产业化经营的发展起到抛砖引玉的作用。

Some problems and points of this paper are still very shallow , and I hope it can play some roles in the development of the industrial management about the giant freshwater prawn in Yangzhou .

罗氏沼虾胚胎发育研究Ⅱ.原始器官原基形成和消化系统的发生

A study on embryonic development of the giant freshwater prawn , macrobrachium rosenbergii ( de man ) ( crustacea , decapoda ) ⅱ . the formation of the primary organ rudiment and development of the digestive system

这三个主要原因分别导致雄虾个体和雌虾个体规格大幅度下降，从而最终影响了整塘罗氏沼虾大小规格，使得每塘收获产量大幅度降低，造成养殖效益大幅度下滑。

The three main reasons led to the significant decline of specifications in males and females which ultimately affected the whole specifications in ponds , made each pond harvest yield greatly reduce , and caused the breeding benefit decline significantly .