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当前位置: 首页 > 文章 > 利用地热水进行罗氏沼虾越冬试验 齐鲁渔业 1999 (3) 29-31
Position: Home > Articles > Over-wintering Experiment of Macrobrachium rosenbergii Using Geothermal Water as Heat Source Shandong Fisheries 1999 (3) 29-31

利用地热水进行罗氏沼虾越冬试验

作  者：
薄学峰;王法琴;张汉珍;张俊安
单  位：
东营市渔业技术推广站;利津县汀河罗非鱼场
关键词：
地热水;罗氏沼虾越冬;分期控温;换水排污;增氧
摘  要：
利用地热水作热源对罗氏沼虾进行越冬试验。在越冬池中心离池底30cm高架设用钢管连接地热水源的散热片，升温越冬池水，用阀门调节热水进水量和水温。定时充气增氧，每天排污，换水20～30％。每半月大换水，彻底排污。投喂人工配饵，消毒防病。试验证明：越冬初期（10～11月）水温控制在22～24℃，中期（12月～翌年1月）水温控制在20～22℃，后期（2～3月）水温控制在24～27℃，溶氧保持3mg／L以上，能加速越冬虾生长和性腺发育，促进交尾和抱卵，提高越冬成活率。
译  名：
Over-wintering Experiment of Macrobrachium rosenbergii Using Geothermal Water as Heat Source
作  者：
Bo Xuefeng(Fishery Technique Spreading Station of Dongying City, Shandong 257091)
关键词：
geothermal water; Macrobrachium rosenbergii; temperature control disinfection; increase the DO; survival rate
摘  要：
Using geothermal water as a heal source, an experiment on the overwintering of Macrobrachium rosenbergii had been carried out. At the pond centre, 30cm above the bottom, a thermdytic apparatus which was connected with the hot water pipe was equipped. The water supply was controlled by a tap by which the pond water temperature was regulated. The main cultural technique was as follows: aeratcd to increase the dissolved oxygen, exchanged 20～30 % of the pond waler everyday and a larger part of the pond water every half month to clean the pond absolutely, fed the shrimp with diets, disinfected to prevent disease, kept the water temperature at 22～24℃ during October and November, 20～22℃ during December and January,24～27℃ during the last days,kept the DO above 3 mg/ L all the time. The result showed that, these technique can accelarate the growth and the gonadal development of the wintering shrimp and stimulate the coupling and egg-laying,improve the wintering survival rate.

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