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A kind of factory artificial nursery method of migratory Atlantic salmon

A kind of industrialization and migratory technology, applied in the direction of climate change adaptation, fish farming, application, etc., can solve the problems that restrict the development of Atlantic salmon industrialization, the degree of factory breeding is not high, and the poor ability to adapt to seawater, etc., to achieve the convenience of man-made The effect of control, stable breeding, and little impact on the natural environment

Active Publication Date: 2016-08-24
国信东方(烟台)循环水养殖科技有限公司
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, there is no large-scale cultivation of Atlantic salmon in my country, and it is basically blank in the nursery stage. There is no complete nursery technology. At the same time, there are problems such as low hatching rate, poor ability to adapt to seawater, and low degree of industrialized nursery. The Development of Atlantic Salmon Industrialization

Method used

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Embodiment Construction

[0026] This embodiment is the seedling raising test that the applicant carried out in Muping breeding base in Shandong Province.

[0027] (1) The hatching stage of eye-catching eggs

[0028] The invention uses a tray-shaped incubator, and adopts a running water hatching method in the incubator. The aquaculture water meets the fishery water quality standard (GB11607-89), and the carbon dioxide CO is removed by jet aeration first. 2 , use absorbent cotton to filter suspended particles, and the water quality requirements are less than 1.5mg / L for ammonia nitrogen, less than 1.5mg / L for nitrite, and CO 2 Less than 18mg / L. If ammonia nitrogen and nitrite are too high, the number of red blood cells and hemoglobin in the fish will decrease, and the oxygen-carrying capacity of the blood will be poor, thereby damaging the tissues and organs of the fish and causing the death of the fish; CO 2 Excessive concentrations can cause air bubble disease and nephrocalcinosis in Atlantic salmo...

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Abstract

The invention discloses a method for industrialized artificial breeding of migratory Atlantic salmon. The steps include the hatching stage of eyed eggs, the stage of opening feeding, the stage of larvae cultivation and the stage of silvering process. The open feeding stage is fresh water running water culture in indoor breeding ponds. The stage of larvae cultivation is indoor closed circulation fresh water culture. The silverization process stage is indoor closed circulation freshwater culture. The silverization process includes the silverization period and the restoration of light period. During the period of silverization, 12 hours of light and 12 hours of darkness per day during the silverization period, then enter the 5-week recovery period of light, and keep 24 hours of light every day during the recovery period of light. The seedling raising process of the present invention is hatched and cultured indoors, and hatching and culture are not affected by the weather. , Incubation and breeding conditions are easy to control, large-scale breeding, stable breeding, high fry survival rate, uniform size, and high-density breeding.

Description

technical field [0001] The invention relates to an industrial artificial seedling raising method, in particular to an industrial artificial seedling raising method for migratory Atlantic salmon, and belongs to the technical field of aquatic seedling raising. Background technique [0002] Atlantic salmon (salmo salar.L) belongs to the family Salmonoidea (Salmon), commonly known as salmon, is a cold-water fish. According to their different living habits, they can be divided into two types: migratory type and land sealing type. The artificial breeding of migratory Atlantic salmon is carried out in fresh water, and the adult fish breeding stage is carried out in seawater, which is essentially different from the land-sealed Atlantic salmon that has been cultured in fresh water for a lifetime. Migratory Atlantic salmon is more suitable for intensive farming, which is characterized by high economic value, fast growth and strong disease resistance. [0003] Atlantic salmon is one ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 陈娟韩厚伟杨伟杰薛鹏伟黄绍山王顺奎于凯松江鑫王青岩张黎黎刘豪姜黎明
Owner 国信东方(烟台)循环水养殖科技有限公司
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