A kind of cold water purification cultivation method of female fish as raw material for processing sturgeon caviar

Active Publication Date: 2021-01-15
HANGZHOU QIANDAOHU XUNLONG SCI TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the water environment control time of the existing female sturgeon in the mature stage of gonad development is long and the steps are troublesome, which directly affects whether the fish eggs produced by processing are developed to the processable standard, and even affects the flavor and flavor of caviar products. Provide a method of cold water purification and cultivation of female caviar processing raw materials for sturgeon caviar processing to promote gonad development to a processable standard due to the defects of taste

Method used

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  • A kind of cold water purification cultivation method of female fish as raw material for processing sturgeon caviar
  • A kind of cold water purification cultivation method of female fish as raw material for processing sturgeon caviar
  • A kind of cold water purification cultivation method of female fish as raw material for processing sturgeon caviar

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Effect test

Embodiment 1

[0029] A cold-water purification and cultivation method for female fish as raw material for processing sturgeon caviar, the cultivation method comprising the following steps:

[0030] (1) Preparation before cultivation: artificially build land-based cold water resting ponds, equipped with low-temperature cold water system and extraction of bottom water of the reservoir, provide and control the required cold water resources, keep the water temperature at 5°C, and dissolve oxygen above 5mg / L; equipped with refrigeration The unit is to build a closed insulation shed on the flowing water breeding pond. The breeding water is cooled by the refrigeration unit and then flows into the breeding pond. The breeding pond is built in a circular shape to form a circulating water flow. At the same time, increase the oxygenation equipment to increase the dissolved oxygen in the water;

[0031] Use large deep-water pumps to extract the bottom water of the reservoir. The bottom water below 25 met...

Embodiment 2

[0042] A cold-water purification and cultivation method for female fish as raw material for processing sturgeon caviar, the cultivation method comprising the following steps:

[0043] (1) Preparation before cultivation: artificially build land-based cold water resting ponds, equipped with low-temperature cold water systems and extract bottom water of reservoirs, provide and control the required cold water resources, keep the water temperature at 8°C, and dissolve oxygen above 5mg / L; equipped with refrigeration The unit is to build a closed insulation shed on the flowing water breeding pond. The breeding water is cooled by the refrigeration unit and then flows into the breeding pond. The breeding pond is built in a circular shape to form a circulating water flow. At the same time, increase the oxygenation equipment to increase the dissolved oxygen in the water;

[0044] Use large deep-water pumps to extract the bottom water of the reservoir. The bottom water below 25 meters is e...

Embodiment 3

[0055] A cold-water purification and cultivation method for female fish as raw material for processing sturgeon caviar, the cultivation method comprising the following steps:

[0056] (1) Preparation before cultivation: artificially build land-based cold water resting ponds, equipped with low-temperature cold water systems and extract bottom water of reservoirs, provide and control the required cold water resources, keep the water temperature at 8°C, and dissolve oxygen above 5mg / L; equipped with refrigeration The unit is to build a closed insulation shed on the flowing water breeding pond. The breeding water is cooled by the refrigeration unit and then flows into the breeding pond. The breeding pond is built in a circular shape to form a circulating water flow. At the same time, increase the oxygenation equipment to increase the dissolved oxygen in the water;

[0057] Use large deep-water pumps to extract the bottom water of the reservoir. The bottom water below 25 meters is e...

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Abstract

The invention relates to a cold-water purification female fish cultivation method for raw processing materials of sturgeon caviar. Through manual construction of a land cold-water quiet rearing base,equipping a low-temperature cold water system and extraction of reservoir bottom-layer water, a required cold water resource is provided and controlled. Through the combination of a breeding method ofbittern and feed deprivation, development of the gonad to the processible standard can be promoted, and roes are more easily separated from gonadal tissue when processed; meanwhile, the elasticity ofthe roes is improved, and the flavor and mouthfeel are a caviar product are promoted.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for purifying and cultivating female fish, a raw material for processing sturgeon caviar, in cold water, which promotes gonad development to a processable standard. Background technique [0002] Sturgeon is a world-renowned and high-quality breeding treasure with delicious meat, soft bones and high nutritional value. The most valuable sturgeon product is the caviar processed from its eggs, which is a high-end consumer food in the international market. However, due to the drastic reduction of wild sturgeon resources, almost all of the caviar in the world consumer market comes from artificial breeding. The water environment control in the mature stage directly affects whether the processed fish eggs can be developed to the processable standard, and even affects the flavor and taste of caviar products. It is necessary to create a suitable water environment before proces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10A01K63/00A01K63/04C02F1/28C02F101/16C02F103/20
CPCA01K63/003A01K63/04A01K63/042A01K61/10C02F1/281C02F2101/16C02F2103/20C02F2303/16Y02A40/81
Inventor 王斌夏永涛邵辉石灏黄剑波陈新胡谋王宪策张大海孟祥龙
Owner HANGZHOU QIANDAOHU XUNLONG SCI TECH
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