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Microbial feed additive capable of optimizing meat quality of portunids and preparation method thereof

A microbial feed and additive technology, applied in the field of microbial fermentation, can solve the problems of increased abdominal fat rate, poor taste, and induced fatty liver, etc., and achieve the effect of reducing fat content, increasing fragrance, and increasing content

Inactive Publication Date: 2018-03-27
SHANGHAI CHUANGBO ECOLOGICAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the rapid development of intensification and cage farming and the popularization of compound feed, the output of swimming crabs has increased significantly, but its meat quality and flavor have shown a downward trend, which has seriously affected the quality and industrial development of swimming crabs.
[0005] In the artificial breeding of swimming crabs, there are generally phenomena such as unbalanced feed nutrition, low protein content, high fat content, and large-scale feeding, which will cause the nutritional value of swimming crabs to decrease, the amino acid imbalance, body fat content is too high, the taste will deteriorate, and the abdominal fat rate will increase. High, induce fatty liver, cause diseases in severe cases, etc.

Method used

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  • Microbial feed additive capable of optimizing meat quality of portunids and preparation method thereof
  • Microbial feed additive capable of optimizing meat quality of portunids and preparation method thereof
  • Microbial feed additive capable of optimizing meat quality of portunids and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0063] In the present embodiment, the composition of each strain and the proportioning by weight percentage thereof in the composite bacterial agent are:

[0064]

[0065] The amount of astaxanthin and protease added in the fermentation product of the compound bacterial agent per kilogram is respectively:

[0066] Astaxanthin 0.2g

[0067] Protease 50mg.

[0068] The specific preparation process is:

[0069] Step 1, breeding and production of strains:

[0070] 1) Bacillus licheniformis, Lactobacillus plantarum, Lactobacillus casei, and selenium-enriched yeast provided by the Culture Preservation Center of the Academy of Agricultural Sciences were used to subculture through nutrient agar medium, and selenium-enriched yeast was subcultured through starch medium to select the growth rate Fast, strains with obvious colony characteristics, save the strains at 0°C;

[0071] 2) Transfer the screened Bacillus subtilis, Lactobacillus plantarum, Lactobacillus casei, and selenium-...

Embodiment 2

[0096] In the present embodiment, the composition of each strain and the proportioning by weight percentage thereof in the composite bacterial agent are:

[0097]

[0098] The amounts of astaxanthin and protease added in the compound microbial agent fermentation product per kilogram are respectively:

[0099] Astaxanthin 0.5g

[0100] Protease 175mg.

[0101] The specific preparation process is:

[0102] Step 1, breeding and production of strains:

[0103] 1) Bacillus licheniformis, Lactobacillus plantarum, Lactobacillus casei, and selenium-enriched yeast provided by the Culture Preservation Center of the Academy of Agricultural Sciences were used to subculture through nutrient agar medium, and selenium-enriched yeast was subcultured through starch medium to select the growth rate Fast, strains with obvious colony characteristics, store the strains at 4°C:

[0104] 2) Transfer the screened Bacillus subtilis, Lactobacillus plantarum, Lactobacillus casei, and selenium-enr...

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Abstract

The invention provides a microbial feed additive capable of optimizing the meat quality of portunids and a preparation method thereof. The microbial feed additive is capable of improving the content of inosinic acid in the muscles of the portunids, improving the body type, the meat quality and the flavor of the portunids and reducing the occurrence of fatty liver and is of great significance for healthy sustainable development of the portunid industry.

Description

technical field [0001] The invention relates to the field of microbial fermentation, in particular to a microbial feed additive for optimizing the meat quality of swimming crabs and a preparation method thereof. Background technique [0002] Swimming crab is one of the common economic aquaculture species in my country, and it is also a marine aquaculture species that is mainly developed in my country. It has very important economic value and is currently the highest-yielding marine aquaculture species in my country. [0003] In traditional swimming crab farming, swimming crabs feed on shellfish and small miscellaneous fish. In traditional farming, swimming crabs are mostly fed with chilled food. As we all know, chilled food carries a large number of bacteria and parasites; unbalanced nutrition and different specifications; poor palatability, polluting water quality; high-temperature protein is easy to deteriorate and easily cause diseases; feeding is inconvenient and other d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/18A23K20/105A23K20/189
CPCA23K10/18A23K20/105A23K20/189A23K50/80Y02A40/818
Inventor 江旸马正驰
Owner SHANGHAI CHUANGBO ECOLOGICAL ENG
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