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Method for improving nutrition value of starfish

A technology of nutritional value and starfish, applied in the field of aquaculture, can solve the problems of low content of arachidonic acid, etc., and achieve the effect of high added value, increased production and increased content

Inactive Publication Date: 2017-06-09
TIANJIN ZHENBANG AQUACULTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the technical defects of the prior art, and provides a method for improving the nutritional value of starfish, so as to solve the technical problem of low arachidonic acid content in the starfish

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for improving the nutritional value of starfish, comprising the following steps:

[0022] 1) In February, culture starfish seedlings in natural seawater for 80-90 days at a water temperature of 18°C ​​and an illumination of 50,000 lux;

[0023] 2) Place it in a simulated sea culture pond for cultivation. The side wall of the simulated sea culture pond has an ultrasonic oscillator to prevent starfish from aestivating. During this period, the feed ingredients are: kelp powder 40% (w / w), fish meal 15% (w / w) w), brown seaweed 15% (w / w), sargassum 10% (w / w), green tea 10% (w / w), potato flour 5% (w / w), silkworm chrysalis powder 5% (w / w );

[0024] 3) Cultivate for 40 days, fish out the middle starfish from the simulated seawater culture pond, put it into natural seawater, and maintain the growth and development of the starfish by the plankton in the natural seawater;

[0025] 4) Cultivate for 120 days, put starfish from natural seawater into a simulated sea culture...

Embodiment 2

[0032] A method for improving the nutritional value of starfish, characterized in that it comprises the following steps:

[0033] 1) In February, starfish seedlings were cultured in natural seawater for 80-90 days at a water temperature of 20°C and an illumination of 80,000 lux;

[0034] 2) Place it in a simulated sea culture pond for cultivation. The side wall of the simulated sea culture pond has an ultrasonic oscillator to prevent starfish from aestivating. During this period, the feed ingredients are: kelp powder 40% (w / w), fish meal 15% (w / w) w), brown seaweed 15% (w / w), sargassum 10% (w / w), green tea 10% (w / w), potato flour 5% (w / w), silkworm chrysalis powder 5% (w / w );

[0035] 3) Cultivate for 40 days, fish out the middle starfish from the simulated seawater culture pond, put it into natural seawater, and maintain the growth and development of the starfish by the plankton in the natural seawater;

[0036] 4) Cultivate for 120 days, put starfish from natural seawater ...

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PUM

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Abstract

The invention provides a method for improving the nutritional value of starfish. The method provides more favorable growth conditions for the growth of starfish by matching different breeding environments in different seasons, and at the same time matches feed formulas with different components in combination with its physiological characteristics. As a result, the content of arachidonic acid in the starfish has been significantly improved, with excellent nutritional value and high added value. In addition, the method significantly promotes the growth and development of the seedling stage by controlling the illumination and temperature of the initial cultivation, thereby increasing the overall yield. The invention realizes outstanding technical effect through ingenious technical conception, and at the same time, the cost is low, and the process is easy to control, so it has broad application prospects.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a method for improving the nutritional value of starfish. Background technique [0002] Starfish (Asteroidea) is the most representative class in structure and physiology of echinoderms. The body is flat, mostly five radially symmetrical, and the boundary between the body disc and the wrist is not obvious. In life, the mouth is facing down and the anti-mouth is facing up. The ventral side of the wrist has a step band groove, and podia protrude from the groove. The bone plates of the endoskeleton are connected by connective tissue, which is flexible and bendable. The body surface has spines and fork spines, which are the protrusions of bones. The membranous vesicles protruding from the bone plate are covered with epithelium and lined with coelom epithelium. The inner cavity is connected to the secondary body cavity, called skin gills, which have the functions of respiratio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A23K10/20A23K10/22A23K10/30A23K20/147A23K50/80
CPCY02A40/81A01K61/00
Inventor 季延滨李涛侯继明
Owner TIANJIN ZHENBANG AQUACULTURE