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Chlamys nobilis offspring seed cultivation method

A technology for scallops and cultivation methods, applied in fish farming, application, climate change adaptation and other directions, can solve problems such as changing the living environment of larvae, harmful organisms, increasing production costs, etc., and improve the survival rate and metamorphosis rate of larvae. , the effect of reducing production costs

Inactive Publication Date: 2010-07-28
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
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Problems solved by technology

However, changing the water also has obvious defects, mainly reflected in changing the water to change the living environment of the larvae, so that the larvae are in a state of stress every day, which is not conducive to the growth of the larvae
In addition, a large number of water changes can also bring exogenous harmful organisms to the seedling water body and increase production costs

Method used

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Examples

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Embodiment Construction

[0012] In April 2007, the sand-filtered seawater was injected into four 4m×4m×1.8m nursery pools with a water depth of 1.5m; each pool was disinfected with 12g of strong chlorine for 12 hours, and then neutralized with sodium thiosulfate; the sterilized The seawater is aerated for 12h. 120 gonad-mature individuals were selected from Zhanjiang Wushi Huagui cultured scallop as parents, the number of males and females was 80 and 40, respectively, and the shellfish age was 1.5 years old. Parents release gametes after being stimulated by running water, drying in the shade and warming seawater (3-4°C increase in temperature). Filter the male and female gametes with a 300-mesh sieve, put them into 30L plastic buckets, add 20L seawater at the same time, then add a small amount of mixed sperm into the bucket containing the female gametes, stir well for artificial insemination. 1 hour after insemination, the first egg wash was performed. 2 hours after insemination, the fertilized eggs...

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Abstract

The invention discloses a Chlamys nobilis offspring seed cultivation method. Offspring seeds are pretreated by water and are performed with parent Chlamys nobilis selection, induction for oviposition and artificial insemination to cultivate Chlamys nobilis offspring seed larva. The invention adjusts water quality by processing water for the offspring seed before inputting larva, thus effectively improving larva survival rate and distortion ratio, and lowering production cost.

Description

technical field [0001] The invention relates to a method for cultivating scallop seedlings. Background technique [0002] Chlamys nobilis is naturally distributed in Honshu, Shikoku and Kyushu of Japan, Indonesia and the South China Sea. Chlamys farreri is rich in nutrition and delicious in meat quality. It is one of the main marine economic shellfish in southern my country. In the process of cultivating scallop scallops, static water culture and running water exchange methods are basically used to cultivate seedlings. The specific operation of the static water culture method is to change the water volume of 1 / 3 of the original water volume every day; the water change method is to simulate the sea area environment, and it is a low-speed circulation system caused by the seedling water body. The specific method is to set nozzles at a certain distance around the seedling pond. The seawater ejected from the nozzle is the water flow that makes the seedling water run (Jin Qizeng...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 邓岳文符韶梁飞龙王庆恒
Owner GUANGDONG OCEAN UNIVERSITY
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