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A method for artificially induced spawning of loach seedlings

A technology for artificial induction of labor and loach, which is applied in the field of breeding to achieve the effects of avoiding eating eggs, high egg fertilization rate and simple operation.

Active Publication Date: 2018-07-10
简阳市大众养殖有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the invention of the present invention is: for the above-mentioned existing problems, provide a kind of loach that is easy to operate, high in oxytocin efficiency, high in output of loach seedlings, good in growth and development of loach, high in uniformity, and capable of satisfying a large amount of artificially cultivated loach seedlings. artificial reproductive methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for artificially induced breeding of loach seedlings, comprising the following steps,

[0035] Step 1, preparing an egg-laying hatch, and setting an overflow device at the bottom of the egg-laying hatch;

[0036] Step 2: Fill the egg-laying hatching pool with water, keep the water temperature in the egg-laying hatching pool constant at 15°C, disinfect for 2-4 hours, drain the water and rinse the pool wall, and set a number of eggs and seedlings in the egg-laying hatching pool box, some spawning nets and aerators, and inject clean water into the pool;

[0037] Step 3, select the parent loach with mature gonads, prepare an appropriate amount of oxytocic agent, inject the parent loach with the oxytocic agent, put it into the spawning net, and turn on the aeration machine;

[0038] Step 4, control the water temperature according to the effect time, and after the completion of spawning, all fish out the parent loach, and keep the spawning net in the hatching pond f...

Embodiment 2

[0043] A method for artificially induced breeding of loach seedlings, comprising the following steps,

[0044] Step 1, preparing an egg-laying hatch, and setting an overflow device at the bottom of the egg-laying hatch;

[0045] Step 2: Fill the egg-laying hatching pool with water, keep the water temperature in the egg-laying hatching pool constant at 25°C, disinfect for 2 to 4 hours, drain the water and rinse the pool wall, and set a number of eggs and seedlings in the egg-laying hatching pool box, some spawning nets and aerators, and inject clean water into the pool;

[0046]Step 3, select the parent loach with mature gonads, prepare an appropriate amount of oxytocic agent, inject the parent loach with the oxytocic agent, put it into the spawning net, and turn on the aeration machine;

[0047] Step 4, control the water temperature according to the effect time, and after the completion of spawning, all fish out the parent loach, and keep the spawning net in the hatching pond...

Embodiment 3

[0052] A method for artificially induced breeding of loach seedlings, comprising the following steps,

[0053] Step 1, preparing an egg-laying hatch, and setting an overflow device at the bottom of the egg-laying hatch;

[0054] Step 2: Fill the egg-laying hatching pool with water, keep the water temperature in the egg-laying hatching pool constant at 18°C, disinfect for 2-4 hours, drain the water, rinse the pool wall, and set a number of eggs and seedlings in the egg-laying hatching pool box, some spawning nets and aerators, and inject clean water into the pool;

[0055] Step 3, select the parent loach with mature gonads, prepare an appropriate amount of oxytocic agent, inject the parent loach with the oxytocic agent, put it into the spawning net, and turn on the aeration machine;

[0056] Step 4, control the water temperature according to the effect time, and after the completion of spawning, all fish out the parent loach, and keep the spawning net in the hatching pond for ...

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Abstract

The invention discloses an artificial spawning induction and loach fry breeding method and belongs to the field of breeding. The artificial spawning induction and loach fry breeding method comprises the five steps that a spawning and hatching pond is prepared, and an overflow discharging device is arranged at the bottom of the spawning and hatching pond; water is injected into the spawning and hatching pond, water temperature in the spawning and hatching pond is kept at 15-25 DEG C, the wall of the pond is flushed to be clean after disinfection is performed for 2-4 hours and the water is discharged out, a plurality of spawn and fry collecting boxes, a plurality of spawning nets and an oxygen supplanting machine are arranged in the spawning and hatching pond, and clean water is injected into the pond. The artificial spawning induction and loach fry breeding method has the advantages that the method is simple in operation, high in spawning induction efficiency and high in loach fry yield, loaches grow and develop well and are high in uniformity, and the demand for a large number of loach fries can be met through artificial breeding.

Description

technical field [0001] The invention relates to a breeding method, in particular to a breeding method for artificially induced spawning of loach. Background technique [0002] Loach is a high-protein, low-fat aquatic product. Its meat is tender and nutritious. It is not only a delicacy, but also has high therapeutic value. It is known as "ginseng in water". With the sharp decrease in the number of wild loach, the prospect of artificial breeding loach is bright. [0003] However, due to the irregular spawning of loach in natural reproduction, the hatching rate of eggs is low, and the uniformity of loach seedlings is poor, it is even more impossible to obtain good quality loach seedlings in batches. The method of artificially induced spawning can be used to breed loach seedlings in batches. However, the efficiency of artificial induced labor in the prior art is not high, the output of loach seedlings is low, the growth and development of loach is general, and the uniformity i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 王太松王太新
Owner 简阳市大众养殖有限责任公司
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