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Floating raft type culture method of oysters

A breeding method and a floating raft technology are applied in the field of aquaculture to achieve the effects of improving economic benefits, reducing the loss rate of oysters and reducing breeding costs

Inactive Publication Date: 2017-01-11
北海金不换水产有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the continuous growth of demand, traditional fishing can no longer meet the needs of daily life. Therefore, seafood farming has huge economic benefits, so how to improve the quality and output of seafood farming is a technical issue worth studying in the industry

Method used

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Embodiment Construction

[0012] Embodiments of the present invention will be described in detail below.

[0013] The preferred embodiment of the present invention provides a kind of oyster floating raft culture method, comprises the following steps:

[0014] Select a breeding site: choose a water depth of 5-20 meters, a salinity of not less than 0.9%, a minimum temperature of 6°C and a maximum of 32°C, a pH value of 7.6-8.4, dissolved oxygen > 5 mg / L, and sufficient The sea area where the freshwater river flows into is used as a breeding site;

[0015] Fixed aquaculture floating rafts: use buoyant materials to weave square floating rafts, fix foam floats on the floating rafts, and then combine multiple floating rafts and fix them with caissons to make them float on the sea surface;

[0016] Stocking: select oyster seedlings with a size of 5-10 mm, with 20-30 individual oyster seedlings attached to each attachment sheet; stocking at a density of 100-110 attachment sheets per square meter; when the spa...

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PUM

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Abstract

The invention discloses a floating raft type culture method of oysters. The floating raft type culture method comprises the following steps of selecting a culture site, fixing a culture floating raft, and stocking; selecting seed oysters with the size of 5 to 10mm, and enabling 20 to 30 seed oyster individuals to be attached to each attaching sheet; stocking according to the density of 100 to 110 attaching sheets in per square meter; when juvenile mollusks grow to 5 to 10mm, culturing the juvenile mollusks in a brackish water inner bay culture environment with abundant baits and the salinity of 0.9 to 1.5 percent until the juvenile mollusks grow to 50 to 55mm; after the juvenile mollusks grow to exceed 55mm, putting the juvenile mollusks in a brackish water environment with the abundant baits and the salinity of 2 to 2.5 percent for culturing; when the juvenile mollusks grow to 10cm or above, transferring the juvenile mollusks into a high-salinity environment with the abundant baits and the salinity of 2.5 to 3 percent, fattening for 30 to 90 days, and harvesting. According to the culture method of the oysters, the survival rate is high, the culture cost of the oysters is greatly reduced, and economic benefits are increased.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to an oyster floating raft culture method. Background technique [0002] With the rapid development of my country's national economy and the steady improvement of people's living standards, great changes have taken place in the dietary structure of consumers, and the proportion of consumption of seafood products, such as sea fish, sea shrimp, and shellfish products, has increased significantly. Due to the continuous growth of demand, traditional fishing can no longer meet the needs of daily life. Therefore, seafood farming has huge economic benefits, so how to improve the quality and output of seafood farming is a technical issue worth studying in the industry. Contents of the invention [0003] The object of the present invention is to provide a method for cultivating oysters on a floating raft, so as to improve the quality and output of oyster cultivation and reduce the cult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/54
CPCY02A40/81
Inventor 金朝焕
Owner 北海金不换水产有限公司
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