Burbot full-artificial ecological control natural breeding technology

A technology of artificial ecology and burbot, applied in fish farming, application, climate change adaptation, etc., can solve the problems of low survival rate of larvae, inability to realize artificial self-propagation and self-breeding, lack of natural bait, etc., and is easy to popularize , low cost, simple operation

Inactive Publication Date: 2011-02-09
河北省水产研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to protect burbot, a unique cold-water fish resource in China, the Xinjiang Construction Corps has begun research on burbot breeding technology. At present, some progress has been made, but the technology that has been mastered is not yet able to realize artificial self-breeding and self-fertilization.
During the bree

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment takes the following steps:

[0020] (1) Screening of broodstock

[0021] In August every year, the adult burbot that has been cultured for more than three years is screened, and the adult burbot with large individuals, strong physique, and no damage on the body surface is selected as the broodstock for spawning;

[0022] (2) Strengthen cultivation in autumn

[0023] Put the broodstock in a 6 m×6 m×1.5 m broodstock breeding pond, the water depth is 0.6m, put 70 broodstock in each pond, the water temperature is 8-15°C, cultivate in outdoor running water, and use asbestos tiles on the bottom of the pond to protect the broodstock from light In the rest place, put a few piles of larger pebbles below. The bait for intensive breeding of broodstock is mainly live carp, crucian carp and some small wild fish with high nutrition. The feeding amount is 2-3% of the weight of the cultured fish. , feeding every evening;

[0024] (3) Cultivation at low temperature in...

Embodiment 2

[0031] This embodiment takes the following steps:

[0032] (1) Screening of broodstock

[0033] In August every year, the adult burbot that has been cultured for more than three years is screened, and the adult burbot with large individuals, strong physique, and no damage on the body surface is selected as the broodstock for spawning;

[0034] (2) Strengthen cultivation in autumn

[0035] Put the broodstock in a 6 m×6 m×1.5 m broodstock breeding pond, the water depth is 0.6 m, put 65 broodstock in each pond, the water temperature is 8~15°C, cultivate in outdoor running water, and use asbestos tiles on the bottom of the pond to protect the broodstock from light In the rest place, put a few piles of larger pebbles below. The bait for intensive breeding of broodstock is mainly carp and crucian carp with suitable caliber and some small wild fish with high nutrition. feeding in the evening;

[0036] (3) Cultivation at low temperature in winter

[0037] In November every year, m...

Embodiment 3

[0043] This embodiment takes the following steps:

[0044] (1) Screening of broodstock

[0045] In August every year, the adult burbot that has been cultured for more than three years is screened, and the adult burbot with large individuals, strong physique, and no damage on the body surface is selected as the broodstock for spawning;

[0046] (2) Strengthen cultivation in autumn

[0047] The broodstock was put into a 6 m×6 m×1.5 m broodstock breeding pond with a water depth of 0.6 m, 75 broodstock were placed in each pond, the water temperature was 8-15°C, and the broodstock was cultivated in running water. According to the habit of burbot to hide from light during the day and come out to look for food at night, asbestos tiles are used to build several places for broodstock to rest away from light at the bottom of the pool, and a few piles of larger pebbles are placed below. For carp, crucian carp and some small wild fish with high nutrition, the feeding amount is 2-3% of t...

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PUM

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Abstract

The invention discloses a burbot full-artificial ecological control natural breeding technology. The technology comprises the following steps: (1) selecting burbot adult fish which is bred for over 3 years with large body, robust constitution and no surface damage as parent fish for spawning; (2) performing autumn strengthen breeding on the parent fish to ensure that the sexual gland thereof can be completely developed; (3) putting the parent fish into a spawning pond according to a ratio of male to female of 1:2 for three-month winter low-temperature breeding; (4) simulating natural conditions to stimulate the parent fish to spawn; and (5) transplanting the collected germ cells in spawning equipment for hatching in running water. The technology has the advantages of low cost, simple operation, small damage to the parent fish and high survival rate of delivered parent fish, low requirement to breeding conditions and technical level of operators and is easy to popularize.

Description

technical field [0001] The invention relates to a natural breeding technology of full artificial ecological control of burbot. Background technique [0002] Burbot is the only freshwater species of cod, and the only freshwater fish whose liver contains cod liver oil. It is a unique fish in my country. The liver is delicious, and its nutritional and economic value are very high. in the Irtysh River Basin in Xinjiang, my country. In recent years, due to overfishing and frequent natural disasters, this species is on the verge of extinction. In order to protect burbot, a unique cold-water fish resource in China, the Xinjiang Construction Corps began research on burbot breeding technology, and some progress has been made so far, but the technology that has been mastered cannot yet achieve fully artificial self-breeding and self-fertilization. During the breeding season, suitable brood fish are caught from the Irtysh River, and the parent fish are stimulated to spawn by injecting...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 肖国华赵振良高晓田蒋燕陈力赵海涛韩晓莲杨香菊陈秀玲裴恩杰
Owner 河北省水产研究所
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