CN107365718A - Bacillus megaterium MYB3 and its application in straw fermented feed - Google Patents

Bacillus megaterium MYB3 and its application in straw fermented feed Download PDF

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CN107365718A
CN107365718A CN201710298708.3A CN201710298708A CN107365718A CN 107365718 A CN107365718 A CN 107365718A CN 201710298708 A CN201710298708 A CN 201710298708A CN 107365718 A CN107365718 A CN 107365718A
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bacillus megaterium
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CN107365718B (en
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李光春
白冰
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Yanbian University
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    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/26Preparation of nitrogen-containing carbohydrates
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    • C12P19/42Cobalamins, i.e. vitamin B12, LLD factor

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Abstract

The present invention relates to bacillus megaterium (Bacillus megaterium) MYB3 and its application in straw fermented feed.The deposit number of the bacillus megaterium MYB3 is CGMCC No.13429, and possesses cellulose, hemicellulose degradation ability.During the bacillus megaterium MYB3 can produce feed as microbial bacterial agent added to stalk fermentation, and vitamin B12 can be produced simultaneously.Instant invention overcomes in current various microbiological fermented feed leavenings almost without the deficiency of cellulose, hemicellulose degradation about crucial bacterium, more suitable for the production of straw fermented feed.

Description

Bacillus megaterium MYB3 and its application in straw fermented feed
Technical field
The invention belongs to field of agricultural microbial technology, is related to bacillus megaterium MYB3 and its in straw fermented feed Application.
Background technology
China is a large agricultural country, with the raising of crop yield, generates substantial amounts of stalk, except a part is answered For biogas fermentation, support outside mushroom, the superfluous stalk overwhelming majority is by open incineration.The stalk in China is produced total amount per year and exceeded As many as 700000000 tons, ranked the first in the world, and contain the abundant nutrient such as nitrogen (N), phosphorus (P), potassium (K) in crop material, The stalk that stalk accounts for the such flood tides of 12%-19% of China's organic manure resource total amount as organic manure resource does not obtain effective profit With in field, open incineration causes serious pollution to surrounding environment such as air, soil, wastes the living resources of preciousness. With animal husbandry, industrial expansion, straw utilization is also increasingly taken seriously.But the Land use systems of China's stalk are also at present Remain at low levels, still there is very big gap compared with developed countries.
The agricultural crop straw utilization ways in Jilin Province mainly have four kinds, cross abdomen returning to the field, make fertile returning to the field, rural waste, The raw material of industry, for making industry pulp, building material board etc..What is be wherein widely used is exactly to utilize to burn stalk also Field.At present, most of resident still makees cooking and house heating energy with agricultural crop straw and vegetation etc. in country in Jilin province.Biomass energy Resource includes agricultural crop straw, fuel wood and a variety of debirs, is the main energy sources in rural area, and utilization is about more than 5,280 ten thousand tons of marks Quasi- coal, accounts for 70% of energy consumption or so.At present, biomass energy is mainly used in directly burning, and utilization rate is low.Stalk integrates Using can not only drive the modernization of agriculture, promote the sustainable development of agricultural production, but also can be The substantial amounts of cheap raw material of the offers such as herding, edible mushroom, the energy and processing industry, promote it to scale, commercialization, industrialization direction Development, so as to drive the change of the structure of agricultural production or even whole rural structure, forms a long point of new increasing one of rural economy.Pin To China's straw utilization present situation, so more to suit measures to local conditions, utilize stalk resource by advanced modern science and technology, stalk is improved Utilization rate, expand stalk utilization ways, increase stalk added value, so as to effectively meet society and expanding economy need Ask.
Stalk softening mode can not only be improved by carrying out stalk softening using microorganism formulation, and can obtain higher economy It benefit, can also reach effect free from environmental pollution, to keep ecological balance, meet the principle of sustainable development.At present, sold in market The relevant stalk fermentation microorganism formulation sold is a lot, it is most of be all with lactic acid bacteria, hay bacillus, it is compound micro- based on saccharomycete Biology, or the compost microorganism formulation of mould, other bacterium with cellulose degradation ability as stover ferment agent, it is few For cellulose in stalk, hemicellulose degradation capability and to be fermented into the bacillus megaterium of straw feed be principal leavening agent Elaboration.
Microbe species in microorganism formulation are more, great variety of goods, still, but current market sales of overwhelming majority Stalk fermentation microbial inoculum, such as lactic acid bacteria, saccharomycete, hay bacillus etc., opened around the keeping quality of stalk and palatability etc. The product issued, ensiling and the theory of yellow storage (microbial) etc. and concept, the firm method of the quality of ensiling corresponding to stalk etc.. In the stalk fermentations such as Huang storage, microorganism formulation lacks decomposition and inversion effect to cellulose and hemicellulose etc., slightly raw using this Thing formulation products carry out stalk fermentation, have impact on the conversion ratio of stalk useful component.
The content of the invention
The present invention be in view of the above-mentioned problems in the prior art and make, it is an object of the invention to provide one kind Bacillus megaterium MYB3 and its application in straw fermented feed, the bacillus megaterium MYB3 possess cellulose, half fibre Tie up plain degradation capability.
To achieve the above object, bacillus megaterium of the invention (Bacillus megaterium strain) MYB3, China Committee for Culture Collection of Microorganisms's common micro-organisms center (CGMCC), preservation are preserved on December 07th, 2016 Numbering CGMCC No.13429, preservation address:Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3, Chinese Academy of Sciences's microbe research Institute, and the bacillus megaterium MYB3 possesses cellulose, hemicellulose degradation ability.
Further, bacillus megaterium MYB3 of the invention growth pH value is 3-12.
Further, bacillus megaterium MYB3 of the invention growth temperature is 20-45 DEG C.
In order to realize above-mentioned another object, applications of the bacillus megaterium MYB3 of the present invention in straw fermented feed is led to Such technical scheme is crossed to realize:The bacillus megaterium MYB3 produces feed as microbial bacterial agent added to stalk fermentation During.
Further, the application of bacillus megaterium MYB3 of the invention in straw fermented feed, sent out in the stalk Vitamin B12 is produced during ferment production feed simultaneously.
Beneficial effect:
1. bacillus megaterium (Bacillus megaterium strain) MYB3 of the present invention has highly effective cellulose With hemicellulose degradation ability, difference and other microbial fermentation preparations, stalk fermentation microbial bacterial agent is suitable as, makes microbial Feed, particularly yellow storage feed.
2. bacillus megaterium (Bacillus megaterium strain) MYB3 resistance to acids and bases scopes of the present invention are wide, The pH scopes of growth are 3-12.
3. bacillus megaterium (Bacillus megaterium strain) MYB3 bacterial strains of the present invention are at 20-45 DEG C Culture 24 hours survival thalline number be 6.34-6.61 (Log, CFU/mL), 35 DEG C cultivate under in 24 hours thalline survival Thalline number reach 6.8 (Log, CFU/mL), be adapted to different temperatures in the range of ferment, be adapted to the temperature conditionss in animal intestinal tract Lower existence.
4. vitamin B12 can be produced during stalk fermentation produces feed, Jia Weisheng is not had to or lacks as feed Plain B12 additives, feed ingredient is saved, improve feed nutritive value.
Brief description of the drawings
To be illustrated more clearly that the embodiment of the present invention, below to being used in the description of specific embodiment part To accompanying drawing be briefly described.
Description of reference numerals is as follows:
Fig. 1 is isolated bacillus megaterium (the Bacillus megaterium of the first embodiment of the present invention Strain the photo of micro- Microscopic observation after) colonial morphologies and Gram of the MYB3 on LB culture mediums dye;
Fig. 2 is the isolated huge gemma of the isolated first embodiment of the present invention of the first embodiment of the present invention Bacillus (Bacillus megaterium strain) MYB3 16SrDNA analysis results;
Fig. 3 is bacillus megaterium (Bacillus megaterium strain) MYB3 of the second embodiment of the present invention Thalline survival number at different temperatures;
Fig. 4 is bacillus megaterium (Bacillus megaterium strain) MYB3 of the second embodiment of the present invention Thalline survival number under condition of different pH;
Fig. 5 is bacillus megaterium (Bacillus megaterium strain) MYB3 of the third embodiment of the present invention Cellulose, the change of hemicellulose resolution ratio during stalk fermentation produces feed;
Fig. 6 is the changes of contents of vitamin B12 in third embodiment of the present invention straw fermented feed;
Fig. 7 is the activity change of catabolic enzyme in fourth embodiment of the present invention stalk fermentation;
Fig. 8 is the cellulose decomposition rate of fifth embodiment of the present invention different experiments packet;
Fig. 9 is the hemicellulose resolution ratio of fifth embodiment of the present invention different experiments packet.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below, with reference to accompanying drawing to the specific of the present invention Embodiment is described in detail.
The separation and identification of first embodiment strain
The fertile soil around the rotten wood and rotten wood in Yanji cap mountain is gathered as sample, each sample 5g, each sample Middle addition 195mL sterilized waters, under 120rpm rotating speeds vibration shake up 30min, after standing, take 2mL supernatants, be inoculated into containing In the 300mL triangular flasks of 100mL enriched mediums (containing filter paper bar), broken section of pretreated maize straw is added in triangular flask 3g (Huang storage forage standard 2-2.5cm), 30 DEG C, cultivate under 120rpm rotating speeds.There is yellow flocculation in filter paper disintegration, sample liquid after 5d Material, i.e. Straw decomposing shape.By sample inoculation into the enriched medium required on an equal basis squamous subculture, so circulation ten times, it is right Straw decomposing bacterium is stabilized, and the bacterium after taming is inoculated into LB fluid nutrient mediums and cultivated, by the bacterium on solid medium after 24h Strain screening, isolates different strains one by one, in being circulated 5 times on LB solid mediums, after in the culture of strain without miscellaneous bacteria, sieves Select bacterial strain MYB3.As shown in Figure 1-2, through the colonial morphology on LB culture mediums and Gram dyeing after micro- Microscopic observation and 16SrDNA identification and analysis, bacterial strain MYB3 are accredited as bacillus megaterium, and the bacillus megaterium MYB3 was on December 07th, 2016 It is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center (CGMCC), deposit number CGMCC No.13429, preservation address:Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3, Institute of Microorganism, Academia Sinica.
Enriched medium:K2HPO42g, (NH4)2SO41.4g, MgSO4·7H2O 0.3g, CoCl22mg, CaCl2 0.3g, FeSO4·7H2O 5mg,ZnSO41.7mg, MnSO4·H2O 1.6mg, filter paper (qualitative filter paper), distilled water 1L.
LB culture mediums:Yeast extract 5g, peptone 10g, NaCl 10g, distilled water 1L.
Growth characteristics research under the different condition of second embodiment strain
The number changes of bacterial strain MYB3 at different temperatures:0.1mL bacterium solution to be measured is accurately drawn in aseptic operating platform After access sterilizing in the centrifuge tube equipped with 0.9mL distilled water, this centrifuge tube is to dilute the bacterium solution after 10 times.Again from 10 times of dilution Centrifuge tube in the accurate 0.1mL that draws access in next centrifuge tube equipped with 0.9mL distilled water, the as bacterium of 100 times of dilution Liquid, dilution 10 is obtained after being continued until access according to the method described above8Bacterium solution again.The bacterium solution 1mL of different dilution factors is drawn respectively It is equipped with after being put into sterilizing on the culture dish of LB solid mediums, carries out colony counting method experiment.By culture dish be respectively put into 20 DEG C, 30 DEG C, 35 DEG C, 40 DEG C, the clump count calculated after 24h in culture dish is cultivated in 45 DEG C of incubator.
Number changes of the bacterial strain MYB3 under condition of different pH:By inoculation in solid medium to LB fluid nutrient mediums In, 30 DEG C, absorption 0.1mL is transferred to the 10mL phosphate that pH value is 2,3,4,5,6,7,8,9,10,11,12 respectively after cultivating 1d In cushioning liquid, 4h is cultivated in 30 DEG C, by the bacterium solution dilution 10 under every kind of pH value condition-1-10-8Carry out flat board coating respectively again, Colony counting method experimental calculation viable count is carried out after 30 DEG C of culture 24h.
As shown in figure 3, the thalline number that bacterial strain MYB3 cultivates survival in 24 hours at 20 DEG C is 6.34 (Log, CFU/mL), The thalline number that survival in 24 hours is cultivated at 45 DEG C is 6.61 (Log, CFU/mL).Bacterial strain viable count highest under conditions of 35 DEG C, It is that MYB3 bacterial strains optimum growth temperature is 35 DEG C that thalline number, which reaches 6.8 (Log, CFU/mL),.The scope of test is 20-45 DEG C, full The condition of temperature, also is adapted for the temperature survived in animal intestinal tract during foot general stalk fermentation.
As shown in figure 4, MYB3 bacterial strains are that 3-12 can survive in pH scopes.In pH=3 viable count be 2.48 (Log, CFU/mL), grown rapidly as pH=6, viable count is 3.87 (Log, CFU/mL), and the growth in pH=8 is the most vigorous, living Bacterium number reaches 5.4 (Log, CFU/mL), is begun to decline afterwards with pH rise viable count, in pH=12, viable count is reduced to 4.39 (Log, CFU/mL).
Applications of the 3rd embodiment bacterial strain MYB3 in stalk fermentation produces feed
It is 2-5cm or so that stalk (preferably maize straw), which is minced to length, and water is adjusted using distilled water (or underground water) It is divided into 70%, while the acid-base value of stalk is adjusted to pH=3 using lactic acid, sealing is placed 1-2 days at room temperature, and sterilization (is adopted Cultivated after sample in LB solid mediums, do not observe bacterium).It is after sterilization that bacterial strain MYB3 isolated in first embodiment is equal The microbial bacterial agent as stalk fermentation in stalk (preferably maize straw) is inoculated into evenly, is trained after pack sealing in 30 DEG C of constant temperature Support and fermented in case.Bacterial strain MYB3 viable count remains to 6.8 × 10 after fermenting 10 days5cfu/mL。
As shown in figure 5, after stalk (preferably maize straw) ferments 10 days, cellulose and hemicellulose resolution ratio respectively reach 41% and 28%.Stalk pH=4.8 after fermentation, reach the requirement of yellow storage feed.
Vitamin B12 in sampling analysis fermentate, such as schemes when stalk (preferably maize straw) ferments 3,5,10,20 days Shown in 6, its content increases as fermentation time is increased, and concentration reaches 13.5mg/L when 20 days.
The measure of enzymatic activity is decomposed during fourth embodiment stalk liquid fermentation
Cellulase activity determines:The bacterium solution 0.5mL after fermentation is taken, the CMC solution that 1mL mass fractions are 1% is added and (uses PH=4.8 0.1mol/L HAC-NaAC is prepared), 50 DEG C of insulation 30min add 3mL DNS reagents, boiling water bath 5min, cold But 25mL is diluted to afterwards, and reduced sugar is surveyed under 540nm absorbances.
Hemicellulase activity determines:The bacterium solution 0.5mL after appropriate fermentation is taken, the 1.0g/100mL wood for adding 1.5mL is poly- Sugar juice (is prepared) with pH=4.8 0.1mol/L HAC-NaAC, 50 DEG C of insulation 30min, adds 3mL DNS reagents, boiling water 5min is bathed, 25mL is diluted to after cooling, reduced sugar is surveyed under 520nm absorbances.
Amylase activity determines:The bacterium solution 0.5mL after fermentation is taken, adds 0.5mL 0.1mol/l citrate buffer solutions (pH For 5.6), 40 DEG C of water-baths are incubated 15min, 1% soluble starch preheated, 40 DEG C of water-bath insulations are added at 1mL40 DEG C 0.4mol/L NaOH 2mL are added after 5min immediately, terminate the activity of enzyme.Above-mentioned solution 2mL is taken to be fitted into 25mL volumetric flask, 3mL DNS reagents are added, boiling water bath 5min, 25mL are diluted to after cooling, reduced sugar is surveyed under 540nm absorbances.
As shown in fig. 7, it is in invertedU curve state that enzymatic activity is overall.The enzymatic activity of cellulolytic enzyme is after fermenting 1 day 4.672 (U/mL), gradually rise afterwards, are to reach peak at the 3rd day, and enzymatic activity is 19.279 (U/mL), continue point with stalk Solution, activity are begun to decline, and at the 5th day, activity only had 5.818 (U/mL).The enzyme activity of hemicellulase catabolic enzyme after fermenting 1 day Property is 3.95 (U/mL), gradually rises afterwards, was to reach peak at the 2nd day, enzymatic activity is 6.668 (U/mL), is continued with stalk Decompose, activity is begun to decline, and at the 5th day, activity only had 4.65 (U/mL).The enzymatic activity of amylase is 4.1 (U/ after fermenting 1 day ML), gradually rising afterwards, peak was reached at the 3rd day, enzymatic activity reaches 9.844 (U/mL), and subsequent activity is begun to decline, Activity is 7.045 (U/mL) at the 5th day.
5th embodiment straw fermented feed characteristic
It is different with corn flour to maize straw as microbial bacterial agent using the isolated MYB3 bacterial strains of first embodiment The mixture of ratio is fermented, and control group adds water using maize straw, and cellulose and hemicellulose are measured respectively after 3d and 5d Content.
As shown in figure 8, at the 15th day, maize straw (30:0) cellulose decomposition rate reaches 43.18%, maize straw With corn powder mixture (30:6) the cellulose decomposition rate of relative comparison group (stalk adds water) reaches 77.26% in, experimental result Show the resolution ratio for adding corn flour to increase cellulose in stalk fermentation.
As shown in figure 9, at the 15th day, maize straw (30:0) hemicellulose resolution ratio reaches 27.91%, corn stalk Stalk and corn powder mixture (30:6) the hemicellulose resolution ratio of relative comparison group (stalk adds water) reaches 32.58% in, experiment As a result show plus corn flour can increase the resolution ratio of hemicellulose in stalk fermentation, but trend more increased than cellulose decomposition rate It is not very big.
The present invention bacillus megaterium (Bacillus megaterium strain) MYB3 have highly effective cellulose and Hemicellulose degradation ability, difference and other microbial fermentation preparations, are suitable as stalk fermentation microbial bacterial agent, make microbial and raise Material, particularly yellow storage feed;Bacillus megaterium (Bacillus megaterium strain) MYB3 acid and alkali-resistances of the present invention Property scope is wide, and the pH scopes of growth are 3-12;The bacillus megaterium (Bacillus megaterium strain) of the present invention The thalline number that MYB3 bacterial strains cultivate survival in 24 hours at 20-45 DEG C is 6.34-6.61 (Log, CFU/mL), under 35 DEG C of cultures The thalline number of the survival of thalline in 24h reaches 6.8 (Log, CFU/mL), is adapted to ferment in the range of different temperatures, is adapted in animal Survived under temperature conditionss in enteron aisle;Vitamin B12 can be produced during stalk fermentation produces feed, as feed not With or less plus vitamin B12 additive, save feed ingredient, improve feed nutritive value.
Embodiment as described above is only used for illustrating the spirit of the present invention, and protection scope of the present invention is not limited to This, to those of ordinary skill in the art, can pass through change according to technology contents disclosed in this specification certainly More, the mode of displacement or modification makes other embodiments easily, and these other embodiments should all cover in the present invention Protection domain within.

Claims (7)

  1. A kind of 1. bacillus megaterium MYB3, it is characterised in that the bacillus megaterium (Bacillus megaterium) MYB3 deposit number is CGMCC No.13429, and the bacillus megaterium MYB3 possesses cellulose, hemicellulose degradation Ability.
  2. 2. bacillus megaterium MYB3 according to claim 1, it is characterised in that the life of the bacillus megaterium MYB3 Long pH value is 3-12.
  3. 3. bacillus megaterium MYB3 according to claim 1 or 2, it is characterised in that the bacillus megaterium MYB3 Growth temperature be 20-45 DEG C.
  4. 4. applications of any described bacillus megaterium MYB3 in straw fermented feed, its feature exist in claim 1-2 During the bacillus megaterium MYB3 produces feed as microbial bacterial agent added to stalk fermentation.
  5. 5. applications of the bacillus megaterium MYB3 in straw fermented feed described in claim 3, it is characterised in that described huge During Bacterium anthracoides MYB3 produces feed as microbial bacterial agent added to stalk fermentation.
  6. 6. applications of the bacillus megaterium MYB3 according to claim 4 in straw fermented feed, it is characterised in that Vitamin B12 is produced during the stalk fermentation production feed simultaneously.
  7. 7. applications of the bacillus megaterium MYB3 according to claim 5 in straw fermented feed, it is characterised in that Vitamin B12 is produced during the stalk fermentation production feed simultaneously.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109797119A (en) * 2019-03-11 2019-05-24 大连大学 A kind of composite bacteria agent of degrading straw cellulose
CN111621433A (en) * 2020-04-10 2020-09-04 四川轻化工大学 Bacillus megaterium for producing cellulase, preparation method and application
CN112322549A (en) * 2020-11-24 2021-02-05 江南大学 Strain capable of efficiently converting vitamin D3 into active form and application thereof
CN114158646A (en) * 2021-12-17 2022-03-11 延边大学 Complete mixed fermented feed capable of regulating and controlling pH value and preparation method thereof
CN114907152A (en) * 2022-06-23 2022-08-16 河北冀微生物技术有限公司 Application of bacillus megatherium RL-126 strain in promoting decomposition of crop straws
WO2023108644A1 (en) * 2021-12-17 2023-06-22 延边大学 Total mixed fermentation feed having regulated ph value and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1636066A (en) * 2001-08-22 2005-07-06 巴斯福股份公司 Method for producing vitamin B12
CN1759175A (en) * 2003-01-11 2006-04-12 巴斯福股份公司 Improved method for the production of vitamin B12
EP1719518A1 (en) * 1998-08-07 2006-11-08 Ganeden Biotech, Inc. Compositions comprising bacillus coagulans for increasing the solubility and bioavailability of nutritional minerals
CN102732463A (en) * 2012-06-27 2012-10-17 重庆市瑞宝农业产业集团有限公司 Bacillus subtilis RB and application thereof
CN104789492A (en) * 2015-03-24 2015-07-22 福建省农业科学院农业工程技术研究所 Bacillus megaterium strain and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1719518A1 (en) * 1998-08-07 2006-11-08 Ganeden Biotech, Inc. Compositions comprising bacillus coagulans for increasing the solubility and bioavailability of nutritional minerals
CN1636066A (en) * 2001-08-22 2005-07-06 巴斯福股份公司 Method for producing vitamin B12
CN1759175A (en) * 2003-01-11 2006-04-12 巴斯福股份公司 Improved method for the production of vitamin B12
CN102732463A (en) * 2012-06-27 2012-10-17 重庆市瑞宝农业产业集团有限公司 Bacillus subtilis RB and application thereof
CN104789492A (en) * 2015-03-24 2015-07-22 福建省农业科学院农业工程技术研究所 Bacillus megaterium strain and application thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109797119A (en) * 2019-03-11 2019-05-24 大连大学 A kind of composite bacteria agent of degrading straw cellulose
CN111621433A (en) * 2020-04-10 2020-09-04 四川轻化工大学 Bacillus megaterium for producing cellulase, preparation method and application
CN112322549A (en) * 2020-11-24 2021-02-05 江南大学 Strain capable of efficiently converting vitamin D3 into active form and application thereof
CN114158646A (en) * 2021-12-17 2022-03-11 延边大学 Complete mixed fermented feed capable of regulating and controlling pH value and preparation method thereof
WO2023108644A1 (en) * 2021-12-17 2023-06-22 延边大学 Total mixed fermentation feed having regulated ph value and preparation method thereof
CN114907152A (en) * 2022-06-23 2022-08-16 河北冀微生物技术有限公司 Application of bacillus megatherium RL-126 strain in promoting decomposition of crop straws

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