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Microbial preparation used for improving penaeus vannemei immunity

A microbial preparation and immunity technology, applied in the field of microbial preparations, can solve the problems of deterioration of aquaculture environment, loss of aquaculture, decline of shrimp physique, etc., and achieve the effect of promoting phagocytic activity, high content of viable bacteria, and recovery of gastrointestinal function.

Inactive Publication Date: 2012-10-17
GREAT BIOLOGY PHARMA TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, the scale of intensive culture of Penaeus penaeus and southern white shrimp has been expanding day by day, the increase of culture density and the deterioration of the culture environment often cause the stress response of the shrimp body, resulting in the decline of the shrimp body and the increase of diseases, which have caused serious losses to the aquaculture industry.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] First weigh 3 parts of phosphate, 15 parts of glucose, and 1 part of nitrogen beef extract powder to make fermentation auxiliary materials.

[0025] Then weigh 2 parts of Bacillus licheniformis, 3 parts of Bacillus subtilis and 1 part of the above-mentioned fermentation auxiliary material, mix evenly, place in a fermenter, and ferment at 30°C for 5 days to obtain a microbial preparation. The number of live bacteria of the bacteria preparation obtained by detection was Bacillus licheniformis 10 8 Individual / g, Bacillus subtilis 10 5 pcs / g.

[0026] Both the Bacillus subtilis and the Bacillus licheniformis were purchased from China Industrial Microorganism Culture Collection Management Center, specifically Bacillus subtilis CICC 10090 and Bacillus licheniformis CICC20205.

Embodiment 2

[0028] First weigh 1 part of phosphate, 20 parts of glucose, and 2 parts of nitrogen beef extract powder to make fermentation auxiliary materials.

[0029] Then weigh 2 parts of Bacillus licheniformis, 8 parts of Bacillus subtilis and 1 part of the above-mentioned fermentation auxiliary material, mix them evenly, place them in a fermenter, and ferment at 30° C. for 5 days to obtain a microbial preparation. The number of viable bacteria in the detected bacterial preparation was Bacillus subtilis 10 9 Individual / g, Bacillus licheniformis 10 6 pcs / g.

Embodiment 3

[0031] First weigh 2 parts of phosphate, 25 parts of glucose, and 1 part of nitrogen beef extract powder to make fermentation auxiliary materials.

[0032] Then weigh 2 parts of Bacillus licheniformis, 6 parts of Bacillus subtilis and 1 part of the above-mentioned fermentation auxiliary material, mix evenly, place in a fermenter, and ferment at 30° C. for 5 days to obtain a bacterial preparation. The number of viable bacteria in the detected bacterial preparation was Bacillus subtilis 10 8 Individual / g, Bacillus licheniformis 10 5 pcs / g.

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Abstract

The invention relates to a microecological preparation used for improving penaeus vannemei immunity. The preparation comprises bacillus subtilis, bnfillus licheniformis, and fermentation auxiliary materials. The components are composed according to a weight ratio of 3-8:2:1, such that the microbial preparation is prepared. The microbial preparation provided by the invention contains two high-quality effective bacteria. The strains are strictly selected and cultivated according to microecological regularities. The high quality of the strains is ensured, and viable bacteria content is high. The shelf life of the preparation reaches 24 months. The microbial preparation has good microecosystem regulating and immunity enhancing functions, and especially has substantial function in improving penaeus vannemei immunity.

Description

technical field [0001] The invention belongs to the field of aquatic feed, in particular to a microbial preparation for improving the immunity of Penaeus penaeus and southern shrimps. Background technique [0002] In recent years, the scale of intensive culture of Penaeus penaeus and southern white shrimp has been expanding day by day. The increase of culture density and the deterioration of the culture environment often cause the stress response of the shrimp body, resulting in the decline of the shrimp body and the increase of diseases, which have caused serious losses to the aquaculture industry. With the in-depth study of microbiology and microecology, the use of microecological preparations to regulate the microecological balance in animals, restore the normal physiological functions of the body, prevent and control diseases, and improve health. The research and application of microecological preparations has attracted more and more people. Much attention. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/16
Inventor 王洪杰刘志辉黄健苏永鹏
Owner GREAT BIOLOGY PHARMA TIANJIN
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