Nutrient enhancing and producing method of fairy shrimp nauplius

A nauplii and nutritional enhancement technology, applied in the direction of animal feed, additional food elements, animal feed, etc., can solve the problems of prolonging the hatching of Artemia, unfavorable and timely feeding, etc. It is beneficial to water body stability, promotes a virtuous cycle, and facilitates cultivation. Effect

Active Publication Date: 2016-07-06
阳江利洋苗种繁育有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitation of the culture conditions and methods of microalgae, there are not many production units that can cultivate algae by themselves; and the strengthening of algae requires a certain amount of time for nutrient conversion, and the incubation and culture time of Artemia must be prolonged, which is not conducive to timely feeding

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Nutritional enhancement production method of Artemia nauplii: The density of Artemia nauplii in seawater is 1.5mg / L; the salt concentration of seawater is 16g / L, the pH is 7.0, the concentration of dissolved oxygen is greater than 5mg / L, and the water temperature is 25°C; white light irradiation, add 30mg / LL-arginine and 5mg / L dibutyl hydroxytoluene to seawater, add chlorella to seawater, add chlorella to 1200 times the weight of Artemia nauplii, The nutritional fortification time was 2 hours, and nutrient-rich Artemia nauplii were obtained.

Embodiment 2

[0021] Nutritional enhancement production method of Artemia nauplii: The density of Artemia nauplii in seawater is 2.0mg / L; the salt concentration of seawater is 18g / L, the pH is 8.0, the concentration of dissolved oxygen is greater than 5mg / L, and the water temperature is 30°C; add 50mg / LL-arginine and 15mg / L dibutylhydroxytoluene to seawater, add chlorella to seawater, and add chlorella to 800 times the weight of Artemia nauplii, and the time for nutritional strengthening 4 hours to obtain nutrient-rich Artemia nauplii.

Embodiment 3

[0023] Nutritional enhancement production method of Artemia nauplii: The density of Artemia nauplii in seawater is 1.6mg / L; the salt concentration of seawater is 16.5g / L, the pH is 7.5, the concentration of dissolved oxygen is greater than 5mg / L, and the water temperature 26°C; under white light irradiation, add 35mg / LL-arginine and 6mg / L dibutyl hydroxytoluene to seawater, add chlorella to seawater, and add chlorella to 900 times the weight of Artemia nauplii , 2.5 hours of nutritional fortification time, to obtain nutrient-rich Artemia nauplii.

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PUM

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Abstract

The invention belongs to the field of aquaculture, and discloses a nutrient enhancing and producing method of fairy shrimp nauplius. The method includes the step of adding L-arginine, butylated hydroxytoluene and chlorella to fairy shrimp nauplius for nutrient enhancing. By means of the method, the nutrient enhancing of fairy shrimp nauplius can be rapidly and easily improved, and the content of unsaturated fatty acid in fairy shrimp nauplius is increased.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a nutritionally intensified production method for Artemia nauplii. Background technique [0002] Artemia, also known as saltwater Artemia, is an important biological bait. Its newly hatched nauplii have been widely used in the cultivation of shrimp seedlings, and postlarvae and adults are also palatable bait for many shrimp seedlings. Nutrient enhancement is a process of transferring the nutritional value of Artemia worms to open seedlings to meet the nutritional needs of aquatic seedlings, so as to improve the survival rate of seedlings and increase the growth rate of seedlings. An enhanced mode of nutrient transfer. [0003] The researchers found that the nauplii of Artemia are rich in protein and have a reasonable amino acid composition, but generally lack long-chain polyunsaturated fatty acids EPA and DHA, and these fatty acids are exactly the essential fatty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K20/142A23K20/111A23K10/16
Inventor 胡壮涛蓝雅玲张娜马家好陶吉鸿张其中徐忠邓清中
Owner 阳江利洋苗种繁育有限公司
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