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Aquacultural microbiological feed premix and preparation method thereof

A microbial feed and aquaculture technology, applied in the field of aquaculture microbial feed premix and its preparation, can solve the problems of unreasonable composition ratio of microorganisms and enzymes, insignificant synergy between microorganisms and enzymes, and low use efficiency, etc. The effect of improving feed nutrient absorption rate, improving micro-ecological environment and improving use efficiency

Active Publication Date: 2012-08-15
GUANGZHOU LYUBAIDUO BIOLOGICAL DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the microbial feed premix products and technologies used in aquaculture currently on the market have the following problems: first, the composition ratio of microorganisms and enzymes is not reasonable, and the synergistic effect between microorganisms and enzymes is not obvious; second, effective live bacteria The number is low, and the use efficiency is not high; the liquid fermentation process is usually used, and the risk of pollution during storage and transportation is relatively high

Method used

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Examples

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Embodiment 1

[0025] The aquaculture microbial feed premix involved in this embodiment includes microbial strain raw materials and a culture medium. The strain raw materials are composed of lactic acid bacteria, Bacillus subtilis, Saccharomyces cerevisiae, glucoamylase and cellulase. The material components accounted for 28% by weight of the raw materials of the strain, including 28% of lactic acid bacteria, 30% of Bacillus subtilis, 9% of Saccharomyces cerevisiae, 20% of glucoamylase, and 13% of cellulase; each material component in the medium accounts for the weight of the medium The percentage content is 30% of rice bran, 17% of soybean meal, 0.8% of NaCl, and 52.2% of bran. The microbial feed premix is ​​obtained by solid fermentation after mixing the raw material of bacteria and the culture medium.

[0026] In this embodiment, the number of live bacteria of the lactic acid bacteria is 200-250 million / g, the number of live bacteria of Bacillus subtilis is 500-600 million / g, and the number o...

Embodiment 2

[0042] A microbial feed premix, comprising microbial strain raw materials and a culture medium. The strain raw materials are composed of lactic acid bacteria, Bacillus subtilis, saccharomyces cerevisiae, saccharification enzyme and cellulase. The weight percentage of the raw materials is 30% of lactic acid bacteria, 30% of Bacillus subtilis, 10% of Saccharomyces cerevisiae, 20% of glucoamylase and 10% of cellulase; the medium is composed of rice bran, soybean meal, NaCl and bran. The weight percentage of each material component in the culture medium is 32% of rice bran, 18% of soybean meal, 0.9% of NaCl and 49.1% of bran. The microbial feed premix is ​​obtained by solid fermentation after mixing the raw material of bacteria and the culture medium.

[0043] The number of live bacteria of the lactic acid bacteria is 200-250 million / g, the number of live bacteria of Bacillus subtilis is 500-600 million / g, the number of live bacteria of Saccharomyces cerevisiae is 300-350 million / g, a...

Embodiment 3

[0047] A microbial feed premix, comprising microbial strain raw materials and a culture medium. The strain raw materials are composed of lactic acid bacteria, Bacillus subtilis, saccharomyces cerevisiae, saccharification enzyme and cellulase. The weight percentages of the raw materials are 32% of lactic acid bacteria, 35% of Bacillus subtilis, 8% of Saccharomyces cerevisiae, 17% of glucoamylase and 8% of cellulase; the medium is composed of rice bran, soybean meal, NaCl and bran. The weight percentage of each material component in the culture medium is 35% of rice bran, 20% of soybean meal, 1% of NaCl and 44% of bran. The microbial feed premix is ​​obtained by solid fermentation after mixing the raw material of bacteria and the medium.

[0048] The number of live bacteria of the lactic acid bacteria is 200-250 million / g, the number of live bacteria of Bacillus subtilis is 500-600 million / g, the number of live bacteria of Saccharomyces cerevisiae is 300-350 million / g, and the gluco...

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Abstract

The invention discloses aquacultural microbiological feed premix and a preparation method thereof. The aquacultural microbiological feed premix comprises culture material and medium. The culture material comprises, in weight percentage, 25-32% of lactobacillus, 28-35% of bacillus subtilis, 8-12% of brewer's yeast, 17-20% of glucoamylase and 8-13% of cellulase. The medium comprises, in weight percentage, 30-35% of rice bran, 15-20% of soybean meal, 0.8-1% of NaCl and 44-54.2% of wheat bran. The culture material and the medium are mixed for solid fermentation so as to obtain the microbiological feed premix. By the aquacultural microbiological feed premix, animal immunity is improved, animal body color is improved, the rate of absorbing feed nutrition is increased, and culturing cycle is shortened.

Description

Technical field [0001] The invention relates to the field of aquaculture, in particular to an aquaculture microbial feed premix and a preparation method thereof. It belongs to the field of microbial feed and preparation technology. Background technique [0002] With the rapid development of the aquaculture industry, the prices of feed ingredients such as fish meal and soybean meal have risen sharply, and the cost of feed remains high, which has severely restricted the improvement of aquaculture efficiency. At the same time, due to the various anti-nutritional factors (trypsin inhibitor, urease, soybean hemagglutinin, etc.) naturally existing in feed ingredients, the imbalance of amino acid composition affects the digestion and absorption of animals, resulting in reduced feed utilization. With the development of biotechnology, especially the development of microbial technology, people gradually adopt microbial feed fermentation technology to improve the nutritional structure of f...

Claims

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Application Information

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IPC IPC(8): A23K1/16A23K1/18
Inventor 孙建新徐中文张金燕
Owner GUANGZHOU LYUBAIDUO BIOLOGICAL DEV CO LTD
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