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Anti-season fish propagation method

A technology for seasonal fish and breeding ponds, applied in the field of fish breeding, can solve problems such as affecting fish feeding, affecting fish growth rate, etc., and achieve the effects of shortening the breeding cycle, reducing the difficulty and improving the survival rate.

Active Publication Date: 2018-09-18
HUNAN UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to local climate reasons, under low or high temperature, the normal feeding of some fish will be affected, which in turn will affect the growth rate of fish.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The out-of-season fish breeding method of the present embodiment comprises the steps:

[0014] (1) Construction of the breeding pool: build a greenhouse, and establish the parental breeding pool and the F1 generation breeding pool in the greenhouse. The magnetic field generator, refrigeration components, and heating components are placed on the parental breeding pool, and the refrigeration components and heating components are placed in the F1 generation breeding pool. Components, refrigeration components and heating components are wrapped with waterproof casings;

[0015] (2) Magnetic field treatment of parental fish: put the fertilized eggs just laid by the fish into the parental breeding pond, and introduce a changing electromagnetic field into the parental breeding pond for 2 hours, and the strength of the electromagnetic field is 0.35±0.15 A / m From strong to weak and then strong within the range;

[0016] (3) Cold and heat change treatment of parent fish: the firs...

Embodiment 2

[0019] The out-of-season fish breeding method of the present embodiment comprises the steps:

[0020] (1) Construction of the breeding pool: build a greenhouse, and establish the parental breeding pool and the F1 generation breeding pool in the greenhouse. The magnetic field generator, refrigeration components, and heating components are placed on the parental breeding pool, and the refrigeration components and heating components are placed in the F1 generation breeding pool. Components, refrigeration components and heating components are wrapped with waterproof casings;

[0021] (2) Magnetic field treatment of parent fish: Put the fertilized eggs just laid by the fish into the parent breeding pond, and introduce a changing electromagnetic field into the parent breeding pond. From strong to weak and then strong within the range of / m;

[0022] (3) Cold and heat change treatment of parent fish: the first stage of temperature rise and fall: in late spring and early summer, the ...

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Abstract

The invention discloses an anti-season fish propagation method comprising the steps such as construction of a culture pond, magnetic field treatment of parent fishes, cold and hot varied treatment ofthe parent fishes and strengthening treatment of an F1 generation. By using the method disclosed by the invention, the breeding period can be effectively shortened, the high and low temperature resistance of fishes can be improved, guarantees are provided for anti-season fish culture, the difficulty of anti-season culture of common fishes is lowered, the survival rate is increased by 88% or above,and the economic benefits of farmers are increased.

Description

technical field [0001] The invention relates to the technical field of fish breeding, in particular to an off-season fish breeding method. Background technique [0002] The emergence of off-season fish not only realizes the year-round listing of fish, which meets the market supply and demand, but also staggers the normal fish listing time, increases the price of fish, and thus improves the economic benefits of farmers. Therefore, in recent years, many farmers are trying to Adopt an off-season fish farming model, change the time for stocking or clearing ponds. However, due to local climate reasons, low or high temperatures affect the normal feeding of some fish, which in turn affects the growth rate of fish. If, during breeding, a breeding method is developed that can improve the adaptability of fish to large temperature ranges, it will be of great help to off-season fish farming. Contents of the invention [0003] Aiming at the deficiencies in the above-mentioned prior a...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81Y02P60/60
Inventor 杨品红夏虎刘良国谢中国石彭灵罗丛强
Owner HUNAN UNIV OF ARTS & SCI
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