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Seedling culture method for increasing utilization rate of wrinkle haliotis discus discus eggs

A technology of wrinkled dish abalone and utilization rate, applied in the application, fish farming, climate change adaptation and other directions, can solve the problems of wrinkled dish abalone egg waste, low fertilization rate, large amount of wrinkled dish abalone, and save seeds. Abalone resources, the effect of reducing production costs

Active Publication Date: 2019-06-28
DALIAN HAIBAO FISHERY
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The hybrid seedlings of green abalone hybrid first-generation male abalone and wrinkled disc abalone female grow more bulky, have stronger stress resistance, and have a higher survival rate, but the fertilization rate is low during the seedling breeding process, and the fertilization rate generally does not exceed 30%. The amount of wrinkle plate abalone female is large, and most of the mature wrinkle plate abalone eggs are wasted

Method used

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Embodiment Construction

[0014] Specific embodiments of the present invention will be described below.

[0015] A method for raising abalone hybrid seedlings to improve the utilization rate of seed abalones, which is carried out in sequence as follows: seed abalones to promote ripening, induce labor, obtain sperm and eggs, hatch fertilized eggs, and select and screen,

[0016] The steps for promoting ripening of the green abalone hybrid offspring male abalone, wrinkled disc abalone female abalone and male seed abalone are as follows: select 50 green abalone hybrid offspring first-generation male abalone with no mechanical damage, normal foot color, and standardized shell shape, 500 pieces of wrinkled plate abalone females and 20 wrinkled plate male abalones were used as seed abalones, and the method of increasing temperature to promote ripening was used to accelerate the ripening; Days later, the temperature will start to rise. When the seawater temperature is lower than 7.6°C, the temperature will be...

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PUM

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Abstract

The invention discloses an abalone hybridization seedling culture method for increasing utilization rate of bred abalone. The method is characterized by including the steps: preparing male abalone offirst filial generation of green abalone, wrinkle haliotis discus discus female abalone and wrinkle haliotis discus discus male abalone according to the ratio of 5:50:2 to serve as the bred abalone; maturing and spawning induction to obtain sperms and eggs; incubating fertilized eggs; selecting optimization products. The seedling culture method is simple to operate, can effectively utilize spermsand eggs of the abalone, the utilization rate of the bred abalone is increased, and artificial breeding benefits are improved.

Description

technical field [0001] The invention relates to the field of raising sea treasures seedlings, in particular to a seedling raising method for improving the utilization rate of wrinkled abalone eggs. Background technique [0002] There are two main types of abalone seedlings in northern my country, one is pure wrinkled abalone seedlings produced by self-crossing of wrinkled abalone, and the other is hybrid seedlings produced by hybridization of green abalone hybrid male abalone and wrinkled abalone female kind. The seedlings of pure wrinkled abalone grow slowly, have poor stress resistance and low survival rate, but the fertilization rate is high during the breeding process, which can reach more than 70%-80%, the egg utilization rate is high, and fertilized eggs are easy to obtain. The first-generation male abalone hybrid of green abalone and the female abalone with wrinkled disc abalone have relatively large growth, strong stress resistance and high survival rate, but the fer...

Claims

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Application Information

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IPC IPC(8): A01K61/51A01K61/17
CPCY02A40/81
Inventor 丁福泰高洪涛赵宁宁王理杰
Owner DALIAN HAIBAO FISHERY
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