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Artificial breeding method and incubator for shatang carp

A technology of artificial reproduction and artificial hatching, which is applied in the field of fish farming to achieve the effects of promoting simultaneous spawning and fertilization, preventing mildew and death, and facilitating regulation and control.

Active Publication Date: 2008-06-25
ZHEJIANG INST OF FRESH WATER FISHERIES
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method of fully artificial control and its hatching device for the stable and batch breeding of sandfish

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  • Artificial breeding method and incubator for shatang carp

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Embodiment Construction

[0014] The present invention will be further described below with embodiment.

[0015] The artificial propagation method of sand pond snakehead comprises the following steps:

[0016] (1) Breeding of broodstock

[0017] a. Intensive cultivation of broodstock. In April-May, 3000-5000 fish species obtained by artificial breeding are stocked per mu for artificial breeding, and artificial intensive cultivation is carried out in February-March of the following year. Mainly use appropriate fertilizer and water to cultivate plankton, feed freshwater freshwater shrimp fry or shrimp, conventional fry, and fish species, and often inject fresh water to promote gonad development and maturity.

[0018] b. The selection and grouping of induced spawning broodstock, according to the natural breeding time of Channa nama, from the end of March to the first ten days of April, the selection of broodstock is mainly through visual observation and touching. The broodstock must be over 2 winter age ...

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Abstract

The present invention is artificial breeding method and incubator for Shatang carp. The artificial breeding method includes the steps of parent fish breeding, spawning and fertilization, hatching and carp fry culturing. After intensified parent fish breeding, temperature control, flow water stimulation and other method are taken to promote the synchronous spawning and fertilization of parent fishes, the fertilized eggs on tiles are sterilized and hatched in a special hatching device, and the hatched carp fries are cultured in a special cement pond. The artificial hatching device is one rectangular hatching tank with shield, ventilating water circulating pump, water level and water flow controlling mechanism. The technology of the present invention is suitable for large scale production of Shatang carp fry.

Description

technical field [0001] The invention belongs to the technical field of fish breeding, and in particular relates to an artificial propagation method and a hatching device for sandfish. Background technique [0002] Odonbutis obscurus (Odonbutis obscurus), also known as Odonbutis obscurus, is distributed in the middle and lower reaches of the Yangtze River, Qiantang River and Minjiang River in my country. Wait for the water system. This fish is a small bottom-dwelling carnivorous economic fish, with tender meat, few thorns, high meat content, delicious taste, and high nutritional value. They are all higher than ordinary fish, and are regarded as rare fish in Jiangsu, Zhejiang, Shanghai, and Fujian. They can be called "famous dishes in the south of the Yangtze River" and are deeply loved by people. The individuals of Channa sinensis are small, and the natural output is not high. At present, due to the lack of breakthrough in the artificial breeding technology of this fish, the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00A61D19/00
CPCY02A40/81
Inventor 顾志敏宓国强陈立侨黄鲜明周志明朱俊杰贾永义
Owner ZHEJIANG INST OF FRESH WATER FISHERIES
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