pond culture
- 网络池塘养殖;池塘养鱼
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Serranidae and Sparidae fishes distributed in coast and estuary could be used for brackish pond culture .
分布于沿海河口近岸的鱼旨(Seranidae)鲷(Sparidae)鱼类可作为咸淡水池塘养殖对象。
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For pond culture , although it has low investment and cost , the survival rate is low and the effect is bad . So it is not suitable for extensive use .
池塘养殖中华鲟成鱼虽然投入和成本低,但养殖成活率低,效果差,不宜大量采用。
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Relationship Between Prawn Disease and Environmental Ecology in Pond Culture System in China
我国养殖对虾病害发生与池塘环境生态的关系及对策探讨
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Analysis on pollution accidents of pond culture in Jiangsu province from 2001 to 2005
2001&2005年江苏境内养殖池塘渔业污染事故分析
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Common Diseases of Fish and Control in Intensive Pond Culture Carp of Northern China
北方精养鲤池塘常见鱼病及其防治
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The reproductive biology of grey mullet pond culture in Guangdong Province
广东池养鲻鱼的繁殖生物学
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Study on the Pond Culture of Jellyfish
海蜇池塘养殖技术研究
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Over-summering net cage cultivation at sea , medium culture and land pond culture of juvenile Strongylocentrotus intermedius
虾夷马粪海胆的海区渡夏、室内中间培育及工厂化养成
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The High-yield Technology in Macrobrachium nipponensis Pond Culture
青虾池塘养殖高产技术
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This experiment was performed for the technical support of commercial freshwater pond culture of whiteleg shrimp in the further .
为开发南美白对虾的淡水池塘养殖,进行了南美白对虾的育苗及虾苗淡化试验。
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The results indicated that : the average concentrations of Cu in seawater and sediment of pond culture was higher than those in other sea area ;
结果表明,与其他海域相比,围塘养殖水体和沉积物中重金属铜的平均含量偏高;
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Pond culture , flowing water fish culture , recirculating aquaculture system ( RAS ), and the net cage culture are the main intensive aquaculture facilities model in china .
养殖池塘、流水型养殖设施、循环水养殖设施和网箱养殖设施是我国集约化养殖的主要设施模式。
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Pond culture system as a typical artificial feeding system , has a simple ecological structure and food chain led to its extremely low eco-efficiency , because of its energy flow and material cycles obstruction .
池塘养殖系统作为典型的人工营养型系统,其过度简单化的生态结构和生物链导致了内部极其低下的生态效率,从而引起系统能量流动和物质循环的阻塞。
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Thus the mass production in pond culture of the 1-3 years old hybrids is 81.3 % , 63.6 % and 56.9 % ( average in 3 ponds ) higher than its parent respectively .
由于池塘成活率高,因此,群体产量一至三龄鱼分别比双亲高81.3%、63.6%和59.9%(三个池塘的平均值)。
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Through 3 years'test , the growth rate , survival rate , of pond culture and overwintering , disease reistance reproductive capacity , meat content of the wild carp in Heilongjiang waters were measured .
本文通过三年试验,测定了黑龙江野鲤的生长、饲养成活率、越冬成活率、抗病力、繁殖力、含肉率、鱼肉成份等主要经济性状。
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The crab 's crude protein from culture modes ( lake net-enclosure and pond culture crab ) was higher than that of proliferation modes ( lake stocking and Yangzi River wild crab ) .
不同增养殖水体10月份中华绒螯蟹粗蛋白含量呈现养殖水体(湖泊网围、池塘养殖)大于增殖水体(湖泊放流、长江野生)态势。
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, and the important measures of the pond culture are to combine refined fishpond with extensive fishpond , to spread new varieties breeding and cultivable technique , to be scientific feed and to improve technical management system .
粗精结合、新品种繁育与养殖技术推广、饲料科学化及完善技术管理体系是池塘养殖的重要措施。
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Pond culture of grass carp fingerling was studied after adding 0.5 % chitosan in feedstuff . Result showed that chitosan could increase the yield and survival ratio of grass fingerling . Therefore the output and efficiency were improved .
池塘养殖中的对比试验表明:在草鱼种饲料中添加0.5%的壳聚糖,能够提高草鱼种产量和鱼成活率,降低鱼饲料系数,达到增产增效的目的。
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The effects of using rare earth additive in pond fish culture
稀土在池塘养鱼中使用效果初试
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On Spreading Technique for High Yield in Large Area of the Pond Fish Culture
池塘养鱼大面积高产技术推广试验
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Study on the Pond Mixed Culture of Tilapia In East Henan
豫东池塘混养罗非鱼的研究
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A report on utilizing methane cellar residues for pond fish culture
利用沼气发生窖渣肥养鱼的试验报告
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Integrated innovations including high yield production of pond fish culture in a large area and anti-wave cage culture in sea water ;
以池塘大面积高产技术、抗风浪海水网箱养殖技术为代表的集成创新;
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Pond fish culture yielded 2550 tonnes , or 6 per cent , of freshwater fish for local consumption .
年内,塘鱼总产量为2550公吨,占本地淡水鱼消耗量的6%。
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Pond fish culture is the most important aquaculture model in China . In 2004 , pond fish production accounts for 70.36 % of total freshwater aquaculture production .
池塘养殖是我国最重要的水产养殖生产方式,2004年其产量占到淡水养殖产量的70.36%。
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The influence about dredged sludge on fish growth , feed conversion ratio and the production of pond fish culture and its countermove have been studied and reported .
本文报道了河道疏浚泥浆排放对养殖鱼类生长、饲料转化率和池塘鱼产量影响的研究结果。
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THE RATIONAL DESIGN OF POND FISH CULTURE WITH REFERENCE TO THE PRINCIPLES OF YIELD INCREASE ⅰ . Rational structure and energy conversion efficiency of the community of major cultured fishes in ponds
池塘饲养鱼类优化结构及其增产原理&Ⅱ.池塘主养鱼类合理群落结构及其能量转换效率
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Influence About the Dredged Sludge on Fisheries and Its Countermove ⅰ The effects of dredged sludge on fish growth , feed conversion ratio and yield of pond fish culture
疏浚泥浆排放对渔业生产的影响及其对策研究Ⅰ对养殖鱼类生长、饲料转化率和池塘鱼产量的影响
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Economical analysis and some suggestion to the techniques of pond adult fish culture
池塘成鱼饲养的技术经济分析和技术改造设想
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Water Control and Routine Management for Pond with Intensive Culture in the Sweltering Summer in Northern Part
炎热的夏季北方精养鱼池的水质调控与日常管理