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Culturing device and culturing method used for preventing atrina pectinata larva from floating and adhering

A cultivation device and the technology of the larvae, which are applied in the fields of application, fish farming, climate change adaptation, etc., can solve the problems of reducing cultivation density and low efficiency of larvae cultivation, and achieve high cultivation efficiency and convenient real-time control and adjustment of larvae The effect of culture conditions and simple operation

Active Publication Date: 2013-01-23
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reducing the cultivation density can partially solve the problem of larvae floating and sticking, but the efficiency of larvae cultivation is too low, and the general cultivation density is less than 1 / ml

Method used

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  • Culturing device and culturing method used for preventing atrina pectinata larva from floating and adhering
  • Culturing device and culturing method used for preventing atrina pectinata larva from floating and adhering
  • Culturing device and culturing method used for preventing atrina pectinata larva from floating and adhering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The cultivation device consists of a plexiglass tube with connecting flanges at both ends and a hollow base connected with a hose. The connecting flange at one end of the plexiglass tube is sealed to connect with the upper flange, and the connection between the connecting flange and the upper flange is sealed. A sieve is provided between them, and the connecting flange at the other end of the plexiglass tube is connected to the hollow base through the lower flange; The other end of the hose is provided with a connecting valve.

[0026] Anti-corrosion and sealing silica gel sheets are respectively provided between the connecting flanges at both ends of the plexiglass tube and the upper and lower layer flange sheets.

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Abstract

The invention relates to the production of aquaculture bivalve mollusk seeds and particularly relates to a culturing device and a culturing method used for preventing atrina pectinata larva from floating and adhering. The culturing device comprises an organic glass tube, a hollow plastic base and a plastic hose, flange pieces are arranged at the two ends of the organic glass tube and are respectively fixed with an upper-layer flange piece and a lower-layer flange piece by bolts, a connecting tube is arranged in the middle of the lower-layer flange piece, a hole is formed in the side wall of the hollow plastic base, the plastic hose passes through the hole to be connected with the connecting tube arranged in the middle of the lower-layer flange piece; boulting cloth and a silicon rubber gasket are arranged between the flange piece at one end of the organic glass tube and the upper-layer flange piece; and a silicon rubber gasket is arranged between the flange piece at the other end of the organic glass tube and the lower-layer flange piece. The culturing device designed by the invention is used for culturing the atrina pectinata larva, the larva floating and adhering rate is reduced by 94%-98%, the survival rate of the larva is more than 85%, the survival rate of the atrina pectinata larva is greatly increased, and the culturing efficiency of the atrina pectinata larva is greatly improved.

Description

technical field [0001] The invention relates to the production of bivalve mollusc seedlings in aquaculture, in particular to a cultivation device and a cultivation method thereof for preventing the floating and sticking of the larvae of the molluscs. Background technique [0002] Atrina pectinata (Linnaeus, 1767) belongs to the phylum Molluscs, Bivalvia, Mytilidae, Atrinaceae, and the genus Atrina pectinata. It has a wide natural distribution in coastal areas of China and is a species of high economic value. Large-scale edible shellfish are widely distributed in temperate and tropical muddy offshore waters, and are distributed in the Bo, Huang, East and South China Seas. Its posterior adductor muscle is particularly hypertrophic, and it can be made into the precious "Jiang Yaozhu", which is a nutritious and delicious sea treasure. The region is very popular. [0003] In recent decades, due to overfishing and the deterioration of environmental conditions, the resources of C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 张涛潘洋杨红生邱天龙王平川班绍君柏雨岑周毅刘鹰张福绥
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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