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A method of using attachments to improve the survival rate of thick-shelled mussel juveniles

A technology of thick-shelled mussels and attachments, which is applied in the field of aquaculture, can solve problems such as restricting the development of thick-shelled mussels aquaculture, low attachment metamorphosis rate, etc., to improve survival rate and attachment density, increase attachment density, and increase attachment The effect on survival

Active Publication Date: 2017-02-01
FUDING CHAOHUI AQUATIC DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for using attachments to improve the survival rate of thick-shelled mussel spat, which overcomes the conventional use of "transparent PP corrugated tiles", "palm ropes", "straw ropes" and "polymer ropes" in the process of artificial seedling cultivation. "Ethylene mesh" and other material attached seedlings are screened and released, and the attachment survival rate is only below 30%. Such a low attachment abnormality rate seriously restricts the development of thick-shelled mussel culture. Survival rate of shell mussel juveniles, to improve larval metamorphosis rate, save the cost of thick shell mussel culture, and promote the use of attachments for the development of thick shell mussel culture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: a kind of attachment that improves the survival rate of thick-shelled mussel spat, the attachment is a mesh woven from bamboo fibers, and the mesh that has been woven is placed in a special pressure cooker and boiled with tea water for 1 hour , pick up and dry in the sun; the mesh of the mesh is 60 meshes, the mesh is 60cm wide and 100cm long; the side where the length of the mesh is hung has a pendant of appropriate weight that can sink the mesh .

[0013] The method for using the above-mentioned attachments for improving the survival rate of thick-shelled mussel juveniles comprises the following steps:

[0014] (1) Selection of crawling larvae: select crawling larvae with a size of 300 microns and sink directly to the bottom of the attachment pool. The water temperature of the attachment pool is 18°C. After 8 days of growth, the growing crawling larvae are washed to the mesh bag at the outlet by draining water. Inside;

[0015] (2) collect the crawling...

Embodiment 2

[0018] Embodiment 2: a kind of attachment that improves the survival rate of thick-shelled mussel spat, the attachment is a mesh woven from bamboo fibers, and the mesh that has been woven is placed in a special pressure cooker and boiled with tea water for 1 hour , pick up and dry in the sun; the mesh of the mesh is 60 meshes, the mesh is 60cm wide and 100cm long; the side where the length of the mesh is hung has a pendant of appropriate weight that can sink the mesh .

[0019] The method for using the above-mentioned attachments for improving the survival rate of thick-shelled mussel juveniles comprises the following steps:

[0020] (1) Selection of crawling larvae: select crawling larvae with a size of 320 microns and sink directly to the bottom of the attachment pool. The water temperature of the attachment pool is 20°C. After 10 days of growth, rinse the growing crawling larvae to the mesh bag at the water outlet through drainage. Inside;

[0021] (2) collect the crawlin...

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PUM

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Abstract

The invention discloses an attachment for improving the survival rate of juvenile mytilus coruscuses and a using method thereof, and relates to artificial shellfish breeding in the field of aquaculture. The attachment is formed by putting a bamboo fiber-woven mesh into a special pressure cooker, cooking for 1 hour by using tea water, fishing out, and drying in the sunlight, wherein the mesh is 60-mesh, has the width of 60cm and the length of 100cm; pendants with proper weights are hung on the length side of the mesh. The using method of the attachment comprises the following steps: selecting creeping larvae, collecting the growing creeping larvae, attaching and controlling an attachment condition. The attachment improves the attaching survival rate and the attaching density so as to increase the metamorphosis rate of the larvae, reduce the breeding cost of the mytilus coruscuses and promote the development of the breeding industry of the mytilus coruscuses.

Description

technical field [0001] The invention relates to artificial culture of shellfish in the field of aquaculture, in particular to a method for using attachments for improving the survival rate of juvenile mussels. Background technique [0002] Mussels belong to the phylum Molluscs, Phallobranches, Mytilidae, Mytilidae, and the genus Mytilus. They are marine bivalve molluscs. The valleys are called Qingkou and Haihong. nutritional value. Edible mussels produced along the coast of China mainly include blue mussels, thick-shelled mussels and emerald mussels. Thick shelled mussels are one of the important economic shellfish in my country. Due to artificial overharvesting and poor breeding protection, the natural thick shelled mussels resources in sea areas are exhausted, and it is difficult to raise seedlings. Large-scale development of shellfish farming. In recent years, the annual price of adult shellfish has increased by 20%, with high economic value, and the current price is a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/50
CPCA01K61/54Y02A40/81
Inventor 陶兆东王朝新徐善良陶大贵
Owner FUDING CHAOHUI AQUATIC DEV
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