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A kind of method of artificial induced labor of horse mouth fish

A technology for artificial induction of labor and horsemouth, applied in fish farming, climate change adaptation, animal husbandry, etc., can solve the problem of high mortality of broodstock, and achieve the effects of improving survival rate, good effect of induction of labor, and improved utilization rate.

Active Publication Date: 2021-11-19
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In order to solve the above-mentioned technical problem that the oxytocin stress response of the artificial breeding of the snorkel leads to the high mortality rate of the broodstock, the purpose of this application is to provide a method for the artificial oxytocin of the snorkel. Add 5-10ppm concentration of anti-stress agent for treatment, reduce its stress response, improve its immunity, improve the survival rate of broodstock, and provide technical support for the implementation of artificial breeding of Snakefish

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for artificially inducing birth of a horse mouth fish, the method comprising the following steps:

[0028](1) Intensive breeding of broodstock: select one group of 1st, 2nd and 3rd-year-old broodstock, 30 fish in each group, including 25 female fish and 5 male fish. Intensive cultivation began at the end of February and continued until the beginning of June. During the cultivation period, the water temperature is kept at 18-25°C, the dissolved oxygen is 6-8mg / L, the pH value is 7.0-8.0, and the daily water change is 100-200%. The parent fish feed is compound feed (40% protein content) and Tenebrio molitor, in which the weight ratio of compound feed to Tenebrio molitor is 3:1, and it is fed once a day in the morning and evening, and the daily feeding amount accounts for 1-3% of the body weight of the broodstock. Every 10 days, compound vitamins and vitamin C were added to the compound feed for intensive cultivation, and each feeding was continued for 2 days. A...

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PUM

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Abstract

The invention relates to the technical field of freshwater fish reproduction, in particular to a method for artificially inducing spawning of the horse mouth fish. An artificial induced spawning method for horse mouth fish, the method includes 1) intensive cultivation of broodstock, 2) artificial induced spawning, 3) artificial insemination and hatching steps; before the method induces spawning and after artificial insemination, add 5-10ppm concentration of antibiotics to the water body Stressors are treated. The application reduces its stress response, improves its immunity, improves the survival rate of broodstock, and provides technical guarantee for the implementation of artificial breeding of the horse mouth fish.

Description

technical field [0001] The invention belongs to the technical field of freshwater fish reproduction, and in particular relates to a method for artificially inducing spawning of the horse mouth fish. Background technique [0002] Horse mouth fish ( Opsariichthys bidens ) is commonly known as flower branch fish and peach blossom fish, belonging to Cyprinidae, Cyprinidae, and the genus Tilapia. It is an omnivorous and partial carnivorous stream fish. It is distributed in all water systems from north to south in my country, and is common in mountain streams, rapids and shallows, rivers and reservoirs. Bakou fish is tender, delicious and nutritious, and is favored by consumers. The market price is more than 80 yuan per kilogram, and the supply is still in short supply. In recent years, due to overfishing and habitat destruction, the wild resources of slabfish have declined sharply, and its artificial breeding has begun to rise. However, the artificial breeding of horse mouth fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K61/17A23K20/105A23K20/163A23K20/174A23K50/80
CPCA23K20/105A23K20/163A23K20/174A23K50/80A01K61/10A01K61/17Y02A40/81
Inventor 李风波朱新丁崔松李明周文宗楼宝季辉辉潘建伟
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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