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Method of artificial breeding of giant salamander

A technology of artificial breeding and giant salamander, applied in the direction of animal feed, additional food elements, animal feed, etc., can solve the problems of neglecting to strengthen the breeding of juvenile fish, adverse breeding efficiency, etc., to enhance immunity, enhance disease resistance, design reasonable effect

Inactive Publication Date: 2019-01-11
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention ignores the intensive cultivation of fish species before spawning / ejaculation and the rearing of young fish after hatching, which is not conducive to improving breeding efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A method for artificial breeding of giant salamanders, comprising breeding fish culture, artificial oxytocin, artificial insemination, artificial hatching, and juvenile fish rearing, specifically comprising the following steps:

[0024] (1) Breeding fish culture: collect bright-colored, disease-free and harmless giant salamander seedlings, the ratio of male to female is 2:1, put them into the breeding pool, keep the dissolved oxygen in the pool at 6mg / L, and the pH value is 7.5, and prepare for induction of labor For the first 2 months, flush once every 5 days, and the time for each flush is 40 minutes; flushing will form a water flow in the cultivation pond, which can stimulate the gonad development of the parent fish of yellow catfish;

[0025] 35 days before the maturation of the gonads of the male and female breeding fish, the male and female breeding fish were reared in separate ponds, and the breeding fish were fed with enhanced feed respectively, and the amount of...

Embodiment 2

[0041] A method for artificial breeding of giant salamanders, comprising breeding fish culture, artificial oxytocin, artificial insemination, artificial hatching, and juvenile fish rearing, specifically comprising the following steps:

[0042] (1) Breeding fish culture: collect bright-colored, disease-free and harmless giant salamander seedlings, the ratio of male to female is 2:1, put them into the breeding pool, keep the dissolved oxygen in the pool at 6mg / L, and the pH value is 7.5, and prepare for induction of labor In the first 2 months, flush once every 3 days, and the time for each flush is 50 minutes; flushing makes water flow in the breeding pond, which can stimulate the gonad development of broodstock of yellow catfish;

[0043] 35 days before the maturation of the gonads of the male and female breeding fish, the male and female breeding fish were reared in separate ponds, and the breeding fish were fed with enhanced feed respectively, and the amount of splashing was ...

Embodiment 3

[0052] A method for artificial breeding of giant salamanders, comprising breeding fish culture, artificial oxytocin, artificial insemination, artificial hatching, and juvenile fish rearing, specifically comprising the following steps:

[0053] (1) Breeding fish culture: collect brightly colored, disease-free and harmless giant salamander seedlings, the ratio of male to female is 3:1, and put them into the breeding pond. The dissolved oxygen in the pond water is kept at 8 mg / L, and the pH value is 8.5. In the first 2 months, flush once every 5 days, and the time for each flush is 60 minutes; flushing will form a water flow in the cultivation pond, which can stimulate the gonad development of the parent fish of yellow catfish;

[0054] 40 days before the maturation of the gonads of the male and female breeding fish, the male and female breeding fish were reared in separate ponds, and the breeding fish were fed with fortified feed respectively. Sprinkling once a day, the amount of...

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Abstract

The invention provides a method of artificial breeding of a giant salamander, which belongs to the field of aquaculture. The method comprises steps of parent fish culture, artificial induced spawning,artificial insemination, artificial hatching and juvenile fish rearing. In the artificial insemination process, a fertilized egg is subjected to debonding, and the method comprises steps: yellow soilis used and stirred into slurry water, a saline solution containing 5-7% tert-butyl-2-(alkylamine formyl) furan 1 or 2 times the volume of the fertilized egg is added to the slurry water, the fertilized eggs are slowly poured into the slurry water and stirred for 5 to 10 minutes to remove the bonding. Through carrying out nutrient strengthening on the parent fish, parent fish growth and gonad development are promoted, the immunity of the parent fish is improved, the fertilization rate and the survival rates of the fertilized egg and the juvenile fish are improved by adopting artificial intervention measures, and the breeding number of the giant salamanders is improved.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for artificial breeding of giant salamanders. Background technique [0002] Giant salamander, also known as giant salamander, is the largest and most precious amphibian in the world, and belongs to the second-class national protection of amphibian wild animals. Due to the high ornamental value and edible value of giant salamanders, the demand for giant salamanders in the market is particularly large. Due to the influence of various external factors in the natural environment, the survival rate of giant salamanders is not high. Therefore, people began to carry out large-scale artificial breeding. In artificial breeding, it is difficult for giant salamanders to mate and lay eggs naturally, and their natural reproduction rate is getting lower and lower. Therefore, artificial breeding of giant salamanders is an effective means to protect and utilize this unique species...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/02A23K10/30A23K20/147A23K20/158A23K20/163A23K20/26A23K50/00A01K63/04
CPCA01K63/04A01K63/042A01K67/02A23K10/30A23K20/147A23K20/158A23K20/163A23K20/26A23K50/00
Inventor 曾霖徐佳晶
Owner ZHEJIANG OCEAN UNIV
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