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Breeding method for Yangtze saury

A breeding method and technology of saury, which is applied in the field of fish farming, can solve the problems of high cost, difficult fish farming, high price of saury, etc., and achieve the effects of increasing the growth rate, improving the survival rate of farming, and reducing the cost of farming

Inactive Publication Date: 2016-11-30
宁波高新区宁源科技有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

Because the saury fish are fattened in the sea and migrate to the Yangtze River to spawn when they mature, they have certain requirements for the living environment. It is very expensive to completely simulate their natural environment. Therefore, it is very difficult for fish farming, resulting in high prices for saury fish. Ordinary people have no chance to eat

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] A kind of Yangtze river saury culture method, comprises the following steps:

[0014] 1) Establish a culture pond: the area of ​​the culture pond is 500-1000m 2 , the depth is 2.5-3m, the bottom of the breeding pond is laid with silt at a height of 20-30cm, the top of the breeding pond is equipped with a transparent greenhouse for heat preservation, and the breeding pond is equipped with temperature sensors, PH value sensors, salinity sensors, water oxygen content sensors, and wave pumps and heaters;

[0015] 2) Environmental control of the culture pond: keep the water in the culture pond under the following conditions: water temperature 24-28°C, pH value 8-8.3, salinity 20-35‰, oxygen content in water 6-10mg / L;

[0016] 3) Fry feeding: select 3-6cm long healthy fry and put them into the breeding pond, and put them in at a density of 15-20. During the breeding period, the daily feeding amount is 3-5% of the fish's body weight, and the feeding is divided into 2 times a ...

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Abstract

The invention relates to the field of fish farming, in particular to a method for cultivating saury. A method for cultivating Yangtze saury, comprising the following steps: establishing a culture pond and controlling the environment of the culture pond: keeping the water in the culture pond at the following conditions: water temperature 24-28°C, pH value 8-8.3, salinity 20-35‰, oxygen in the water Content 6-10mg / L, fry rearing, disease prevention, harvesting adult fish: fish when the average weight of fish reaches 100-120g / tail, and mature Yangtze saury can be obtained. The Changjiang saury breeding method of the present invention simulates the natural growth environment of the Yangtze saury as much as possible, improves the growth rate of the saury by controlling the oxygen content and water temperature, shortens the breeding cycle, and selects the best fishing period through experiments. Fishing is carried out when it is completed, which improves the survival rate of cultivation and reduces the cultivation cost.

Description

technical field [0001] The invention relates to the field of fish farming, in particular to a method for cultivating saury. Background technique [0002] Swordfish, scientific name Coilia ectenes Jordan, also known as swordfish, hairy anchovy, is a migratory fish, and together with puffer, shad and catfish, it is known as "the four delicacies of the Yangtze River". Usually live in the sea, from February to March every year, it enters the river from the sea, and goes up the river for reproductive migration. Spawning populations enter lakes and tributaries along the Yangtze River or carry out spawning activities in the main stream of the Yangtze River. Due to increased pollution in the Yangtze River and overfishing, the production of saury has been declining year by year. The body of the saury is long and thin, resembling a sharp knife, silvery white, and the meat is tender, but there are many hairy spurs. The meat is delicious, fat but not greasy, with a slight fragrance. ...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81A01K61/00
Inventor 黄琴
Owner 宁波高新区宁源科技有限公司
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