Experts analyze the cause of scallop death in large area (5.4)
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Last Update: 2003-03-12
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Source: Internet
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Author: User
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; In recent years, many mariculture experts have written and analyzed the main causes of scallop death in large area: 1 The density of scallop culture is too high; 2 Scallop germplasm degradation; 3 Water eutrophication; 4 Scallop consumes a lot of energy in the gonad development process, reducing its resistance to external adverse environment and disease; 5 viral infection It is suggested that sea cucumber is a traditional valuable seafood in China, which has high edible and medicinal value Density is the key to the cultivation of sea cucumber According to the experiment, the stocking density of the big seedlings with a body length of 4cm is suitable for less than 20000 heads / mu; the stocking density of shallow sea net culture is 10000-15000 heads / mu; the caisson culture is best located under the cutting frame of kelp or scallop culture, and it is suggested that the seeding amount should not exceed 60 heads / m2 China feed industry information network i2t (author:)
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