Microecological preparation for mariculture and preparation method and application of microecological preparation

A technology of micro-ecological preparations and mariculture, applied in the direction of microorganism-based methods, biochemical equipment and methods, bacteria used in food preparation, etc., can solve micro-ecological balance disorders, interference with normal microbial flora, luminescent vibriosis There is no problem such as any therapeutic effect, and the effect of reducing the content of harmful substances, inhibiting the growth of pathogenic bacteria, and improving immune efficacy is achieved

Inactive Publication Date: 2018-06-15
辽宁景良生物科技开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Today, antibiotics have no effect on luminescent vibriosis
On the other hand, the abuse of antibiotics will destroy and interfere with the normal microbial flora in the breeding environment, resulting in the imbalance of microecological balance
[0003] At the same time, the abuse of antibiotics in aquaculture has also brought a huge threat to human health.
The plasmids of pathogenic bacteria that have developed antibiotic resistance in the breeding environment are likely to be transferred to some human pathogenic bacteria, making it more difficult to treat human diseases; people continue to eat aquatic products with antibiotic residues, and the accumulation of antibiotics in the body will also become a threat to human health. big killer

Method used

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  • Microecological preparation for mariculture and preparation method and application of microecological preparation
  • Microecological preparation for mariculture and preparation method and application of microecological preparation
  • Microecological preparation for mariculture and preparation method and application of microecological preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) Medium composition

[0040] MRS medium (1L): peptone 10g, beef extract 10g, yeast extract 5g, glucose 20g, diamine citrate 2g, K 2 HP0 4 ·3H 2 O 2g, CH 3 COONa 5g, MgSO 4 ·7H 2 O 0.58g, MnSO 4 4H 2 0 0.25g, Tween 801.0mL, pH6.2-6.6;

[0041] PDA medium (1L): 200g potato, 20g glucose, natural pH;

[0042] Beef extract peptone medium (1L): peptone 10g, beef extract 3g, NaCl 5g, K 2 HPO 4 ·3H 2 O 20mg, pH7.0;

[0043]KJ Medium—Compound Medium (1L): 10g cornmeal, 10g soybean meal, 10g bran, 5g brown sugar, 5g fish meal, 2g sea crystal, 2g sodium chloride, 5g zeolite powder, pH7.0;

[0044] (2) Bacterial Liquid Activation I

[0045] Table 1 Bacterial Liquid Activation I Culture Conditions

[0046] strain

culture medium

Culture conditions and activation time

Lactobacillus acidophilus

MRS medium

30℃, static culture for 24h

beer yeast

PDA medium

30℃, static culture for 24h

Bacillus subtilis

Beef Extract...

Embodiment 2

[0058] (1) Medium composition

[0059] MRS medium (1L): peptone 10g, beef extract 10g, yeast extract 5g, glucose 20g, diamine citrate 2g, K 2 HP0 4 ·3H 2 O 2g, CH 3 COONa 5g, MgSO 4 ·7H 2 O 0.58g, MnSO 4 4H 2 0 0.25g, Tween 801.0mL, pH6.2-6.6;

[0060] PDA medium (1L): 200g potato, 20g glucose, natural pH;

[0061] Beef extract peptone medium (1L): peptone 10g, beef extract 3g, NaCl 5g, K 2 HPO 4 ·3H 2 O 20mg, pH7.0;

[0062] KJ Medium—Compound Medium (1L): 10g cornmeal, 10g soybean meal, 10g bran, 5g brown sugar, 5g fish meal, 2g sea crystal, 2g sodium chloride, 5g zeolite powder, pH7.0;

[0063] (2) Bacterial Liquid Activation I

[0064] Take each strain and inoculate it in its own culture medium according to Table 1, and activate it;

[0065] (3) Bacterial Liquid Activation II

[0066] Take step (2) to activate the cultured strains, use 100mL KJ medium, and culture them at 30°C for 24 hours to activate;

[0067] (4) Compound culture

[0068] Take step (3) 5...

Embodiment 3

[0073] (1) Medium composition

[0074] MRS medium (1L): peptone 10g, beef extract 10g, yeast extract 5g, glucose 20g, diamine citrate 2g, K 2 HP0 4 ·3H 2 O 2g, CH 3 COONa 5g, MgSO 4 ·7H 2 O 0.58g, MnSO 4 4H 2 0 0.25g, Tween 801.0mL, pH6.2-6.6;

[0075] PDA medium (1L): 200g potato, 20g glucose, natural pH;

[0076] Beef extract peptone medium (1L): peptone 10g, beef extract 3g, NaCl 5g, K 2 HPO 4 ·3H 2 O 20mg, pH7.0;

[0077] KJ Medium—Compound Medium (1L): 10g cornmeal, 10g soybean meal, 10g bran, 5g brown sugar, 5g fish meal, 2g sea crystal, 2g sodium chloride, 5g zeolite powder, pH7.0;

[0078] (2) Bacterial Liquid Activation I

[0079] Take each strain and inoculate it in its own culture medium according to Table 1, and activate it;

[0080] (3) Bacterial Liquid Activation II

[0081] Take step (2) to activate the cultured strains, use 100mL KJ medium, and culture them at 30°C for 24 hours to activate;

[0082] (4) Compound culture

[0083] Take step (3) 5...

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Abstract

Disclosed are a microecological preparation for mariculture and a preparation method and application of the microecological preparation. The microecological preparation comprises lactobacillus acidophilus, bacillus subtilis, saccharomyces cerevisiae and bacillus laterosporus. The preparation method comprises performing bacteria liquid activation on lactobacillus acidophilus via an MRS medium, bacillus subtilis via a PDA medium, and saccharomyces cerevisiae and bacillus laterosporus via beef extract peptone; performing activation via a KJ medium, respectively, wherein the KJ medium comprises corn flour, soybean meal, wheat bran, brown sugar, fish meal, sea crystal, sodium chloride and zeolite powder; centrifuging the four nutrient solutions, performing mixing, and inoculating a KJ medium according to an inoculation amount for composite culture; inoculating a KJ medium with the obtained product, and allowing the obtained product to stand for culture to obtain a composite seed liquid; andinoculating a KJ medium with the composite seed liquid for fermentation cultivation to obtain the microecological preparation. The microecological preparation can improve the quality of water and inhibits growth of aerobes, such as harmful algae and ulva lactuca. The microecological preparation can be applied to mariculture, reduces the content of ammonia nitrogen, nitrite nitrogen and total phosphorus and reduces the incidence rate of aquatic product diseases.

Description

technical field [0001] The invention relates to the field of mariculture, and relates to a microecological preparation for mariculture, a preparation method and application thereof. Background technique [0002] The disease of mariculture animals has seriously restricted the development of aquaculture industry. In response to this situation, farmers in various countries generally adopt the method of applying antibiotics. Although antibiotics can inhibit or kill pathogenic bacteria to a certain extent and improve the survival rate of aquaculture animals, they will have many negative effects, which are questioned by many experts and scholars. The abuse of antibiotics as a chemical treatment method will increase the drug resistance of pathogenic bacteria and produce a large number of drug-resistant strains. In the 1990s, one of the main reasons for the sharp decline in the number of aquatic products in many Asian countries was the abuse of antibiotics, including my country. A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/12C12N1/20C12N1/18C12R1/125C12R1/865C12R1/23C12R1/07
CPCA23K10/12A23K50/80C12N1/18C12N1/20A23V2400/113Y02A40/818
Inventor 穆大勇姜大辉张书杰孙小涵
Owner 辽宁景良生物科技开发有限公司
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