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Research on oxygen-releasing agent for prawn culture
Authors:Liu Keqiang  Jiang Yuxiang  Yu Kuijie
Institution:(1) Institute of Oceanology, Academia Sinica, 266071 Qingdao
Abstract:A solid powder oxygen-releasing agent was developed and tested in prawn culture. Dissolved oxygen (DO) is a basic necessity for aquatic life and is affected by water temperature, climate, plankton, etc. DO variation in culture ponds strongly and consequently affects prawn growth and production output. In summer, when air temperature is high, pond water is polluted (by prawn feed leftovers) and cannot be changed fully and as frequently as necessary; especially at night, when there is no sunlight for photosynthesis with oxygen as a by-product, the DO in pond water can decrease rapidly. Under the above circumstances, the prawns experience serious lack of oxygen before dawn and die in large number. To solve this problem, we developed an oxygen-releasing agent with excellent performance. Contribution No. 1857 from the Institute of Oceanology, Academia Sinica.
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