37 results about "Microorganism metabolism" patented technology

The invention discloses a method for increasing petroleum production rate of a low-permeability oil reservoir through air and microorganism flooding. The method includes that microorganisms, nutritional agents and air are provided, and the microorganisms are endogenous microorganisms in the oil reservoir; an air-microorganism composite injection mode refers to injecting the microorganisms and the nutritional agents into the oil reservoir by means of a slug and then injecting an air slug into the oil reservoir in a form a small slug. The microorganisms utilize the nutritional agents and the air for quick fermentation and consuming oxygen in the air, oxygen content is reduced to be below 3% which is a safe value, and microorganism metabolism surfactant emulsifies crude oil, emulsified particles expand wave and size while lowering flow seepage resistance; rock pore and throat radius of the low-permeability oil reservoir are small, microbial thalluses have wave and size expanding effect, and crude oil recovery rate is increased further.

The invention discloses a dorking microorganism viable bacteria fermentation concentrated feed and a production method thereof. The dorking microorganism viable bacteria fermentation concentrated feed is prepared by mixing the following materials: 30-40% of biological decomposition bean pulp, 8-10% of polypeptide biological blood powder, 40-46% of mixed feed meal, 8-12% of feed additive and 1-5% of animal oil. In the feed, feed use ratio is improved by exogenous enzyme and microorganism fermentation; by the beneficial microorganism viable bacteria, flora in a dorking intestinal tract can be regulated to be balanced to improve the anti-stress capability of the dorking; and organic acid and bacteriocin generated by microorganism metabolism can inhibit and kill pathogenic bacteria in feed and the dorking body. The dorking microorganism viable bacteria fermentation concentrated feed does not need to add any antibiotic substance, can effectively inhibit undesirable bacteria growth, regulate the balance of egg and meat intestinal flora, and improve immunity; and chicken has abundant nutrition and does not contain any substance harmful to the human body.

The invention belongs to a waste water treatment technology field and relates to a method for treating refractory waste water by adopting acoustic and magnetic coupling strengthening microorganism.Due to the auto-adding of magnetic power in a reactor, the adding of ultrasonic generator and the optimization of the condition parameter which controls physical energetic field, microorganism metabolism activity in the treating system is increased, mass transfer efficiency of the system is strengthened, mud is quickly granulated and superior microorganism is effectively withheld. The waste water organism treatment efficiency is improved.

The invention relates to a method for using microbe to produce the food which can improve cell function of human, wherein it comprises that: protein, amino acid, nucleic acid, and niacin, several vitamins and microelements. And the production comprises that: 1, preparing mother liquid that immerging rice materials, heating and boiling, adding hot water, reducing temperature, adding composite enzyme, adding yeast, fermenting; adding yeast; fermenting, to obtain the mother liquid; 2, preparing gel that immerging rice materials, boiling in water, filtering, extracting gel; 3, preparing final product that mixing mother liquid and gel at 1:1-3; adding isomaltose hypgather gel to be mixed; filtering, removing slag, disinfecting and bottling. The invention can improve immunity.

The invention belongs to the technical field of saline-alkali land modification, and particularly relates to a saline-alkali land modifying agent. The modifying agent includes, by weight, 28-40 partsof phosphogypsum, 28-36 parts of zeolite powder, 24-30 parts of furfural residue, 22-28 parts of turf, 22-28 parts of weathered coal, 8-10 parts of polymaleic anhydride, 16-20 parts of chicken manure,2-4 parts of a microbial agent and 20-26 parts of distilled water. The microbial agent and the chicken manure are cooperated and applied into soil. The chicken manure provides nutrients needed for metabolic activities of microorganisms, and increases the content of microorganisms in soil. Polysaccharides and gelatin which are generated by microorganism metabolism promote formation of granular structures in soil and increase the content of organic matters, the soil is loosened, soil capillary tube gaps are cut off, and salt return is inhibited, and therefore the microbial agent allows the saline-alkali land to form a good microbial environment to achieve a positive cycle, and the saline-alkali land can be radically improved.

The invention discloses an evaluation method for contaminant natural degradation capacity of petrochemical contaminated sites. The method comprises the following steps: determining DIC and hardness inunderground water at a petrochemical contaminated site, analyzing a leading microorganism type of the underground water of each well in a relational graph of the hardness and the DIC, and then delineating autotrophic microorganism and heterotrophic microorganism leading regions hereby; computing the microorganism degradation DIC consumption at the petrochemical contaminated site according to different microorganism action mechanisms and the DIC-hardness proportion relation, and estimating the site contaminant natural degradation capacity by combining the underground water determined concentration. The conversion conservation of the carbon is used as theoretical basis, the DIC-hardness relation information is deeply explored by consideration of different microorganism metabolisms, and a set of new method for evaluating the petroleum contaminant degradation capacity by only analyzing four indexes of the pH, hardness, alkalinity and free carbon dioxide of the underground water is formed,and the method is highly simple, fast and accurate.

The invention discloses a selenium-rich compound microorganism fertilizer and a preparation method thereof. The selenium-rich compound microorganism fertilizer is prepared from the following ingredients: 5 to 12 weight parts of enzyme microorganism, 10 to 30 weight parts of humic acid, 5 to 15 weight parts of amino acid, 1 to 5 weight parts of traditional Chinese medicine extracts, 1 to 5 weight parts of sodium selenite, 20 to 30 weight parts of macroelements, 1 to 5 weight parts of water-retaining agents and 5 to 15 weight parts of shale. The enzyme microorganism, the humic acid, the amino acid, the traditional Chinese medicine extracts, the sodium selenite, the macroelements, the water-retaining agents and the shale are used as raw materials; the prepared fertilizer can obviously activate microorganisms in soil; the microorganism metabolism is improved; the number of the soil enzyme is increased, so that the hardened soil is loosened. The fertilizer provided by the invention has the advantages that the yield can be increased; the selenium can be increased; the crop quality is improved; the crop expiration date is prolonged; the soil can also be improved; heavy metal in the soil is degraded; the physical and chemical properties of the soil can also be improved; the soil PH value is regulated; the soil fertilizer retention and water retention capability is enhanced; the fertilizer utilization rate is effectively improved.

The invention discloses a fermented biological feed prepared from the red date leftovers and a preparation method thereof, and belongs to the technical field of biological feed. The preparation method comprises the following steps: taking red date leftovers, rice bran, corn bran, and soybean meal as the mixed material, and ammonium chloride, magnesium sulfate, and potassium dihydrogen phosphate as the addictive; activating mixed bacterium liquid in a water solution containing the addictive; and then adding the activated mixed bacterium liquid into the mixed material to carry out fermentation reactions so as to obtain the fermented biological feed. The preparation method comprises the following processes: (1) material mixing; (2) bacterium liquid activation; (3) fermentation. Through the microorganism metabolism, the coarse fiber content is reduced, the species and number of amino acid are increased; the feed palatability is improved, the feed intake of the feeding objects is effectively promoted, the growth of the feeding objects is promoted, the marketing period is shortened, and the profit is raised.

The invention discloses a preparation method for highland barley vinegar. The preparation method comprises the following steps: raw material preliminary screening, soaking and stewing, sprinkling water cooling, saccharification and alcoholic fermentation, vinegar substrate solid state fermentation, vinegar sprinkling, vinegar decoction and filling. The solid state laminated fermentation is adopted, the solid phase, the liquid phase and the gas phase coexist in fermentation, and the microorganism metabolism and the Maillard reaction are facilitated, so that lots of flavor substances of the vinegar can be generated, the vinegar is softer and fuller in taste, and the nutrient substances are richer.

The invention discloses a method for carrying out whole-cell catalysis on natural anthocyanin by utilizing microorganisms and transforming the natural anthocyanin into protocatechuic acid. The method is characterized by taking complete cells of specific probiotics as a biological catalyst, taking a weak acidic phosphate buffering solution as a medium and taking a natural anthocyanin extract as a substrate, so as to form a biologically transformed anthocyanin system. The method disclosed by the invention has the advantages that conditions are moderate; the substrate and the product are specific; a subsequent purification procedure is remarkably simplified; the method is a simple and easy strategy for biologically transforming the anthocyanin into the protocatechuic acid by utilizing microorganisms, and other organic matters are not added in a fermentation process, so that possible pollution to environments is reduced. The content of the transformed target product protocatechuic acid can reach 33mg / L at maximum. The method disclosed by the invention has great significance for in vitro study on a mechanism of using microorganism metabolism to transform the anthocyanin, and also provides theoretical basis for directly applying a natural anthocyanin transformed product to probiotic fermented products.

The present invention relates to a health-care pomelo peel tea bag and a preparation method thereof. First, pomelo peels are pre-treated with spirit and white vinegar; then the pomelo peels are performed with a thorough debittering with a zymin and microorganism combined may to obtain treated pomelo peels; effective components of traditional Chinese medicines are extracted, and the tea bag is prepared by mixing, drying and granulating the treated pomelo peel and the effective components of traditional Chinese medicines. Bitter taste of the pomelo peels is completely removed by combining two methods of enzymolysis debittering and microorganism metabolism debittering, the pomelo peels without adding any additives in the debittering process can ensure that nutrient components of the pomelo peels are not destroyed, interaction of ethylic acid and pomelo peel produced aromatic substances of the pomelo peels in the pretreatment process greatly improves the flavor of the obtained pomelo tea.

The invention provides a microbial flora compound liquid. The compound liquid comprises at least two aerobic microorganisms or facultative aerobic microorganisms. The compound liquid is formed by mixing 0.1-0.2 billion cfu / ml of a single fermentation liquid formed by fermenting each of the microorganisms according to the equal mass ratio, and the sum of the total mass percentages of all the singlefermentation liquids in the compound liquid is 100%. The microbial flora compound liquid and the petroleum hydrocarbon contaminated soil treatment method have the advantages of wide microorganism selection range, vigorous microorganism metabolism and short growth period, can produce multiple enzymes for metabolic decomposition for compounding to synergistically decompose oil hydrocarbon pollutants in the petroleum hydrocarbon-contaminated soil, and can efficiently degrade petroleum hydrocarbon components in the contaminated soil through the synergistic effect of multiple microorganisms.

The invention discloses a preparing method of high unit acar wave sugar through regulating and controlling microorganism metabolism of flowing actinomycete Actinoplanes species, which comprises the following steps: adopting computer automatic speed changing supplementary material method; supplementing the material from 40-48 h of microbe ferment; supplementing at 3-4 L feed liquid per min; persisting to 84-92 h; adjusting the quantity of supplementary material to 1-2 L feed liquid per minute. This sugar possesses high ferment level and low cost, which does not need to modify original device.

The invention relates to a multi-strain fermentation process for improving flavor of soy sauce. The fermentation condition for pneumatic stirring is optimized, and inoculation of bacterium strains isperformed in a targeted manner at different fermentation stages, so that synergetic fermentation of multiple strains is realized, the utilization rate of raw materials is increased, the conversion rate of amino acid nitrogen is increased, and the flavor and the quality of the soy sauce are improved. Soy sauce mash is warmed and then subjected to standing, so that soy sauce mash yeast is rich in massive protease and starch enzymes, and the raw materials of protein and starch are subjected to sufficient hydrolysis to generate amino acids and glucose. The temperature of products is raised, so that the utilization rate of the raw materials in various enzyme systems is increased, the conversion rate of the amino acid nitrogen is increased, the hydrolyzing rate is increased, and substance basisis provided for microorganism metabolism in subsequent fermentation process. The fermentation process is optimized, the operation method is simple and convenient, the usage quantity of bacterium strains is low, the production cost is low, the utilization rate of the raw material is high, and the process is good in stability.

The invention discloses an ecological pit-type treatment method for a black and odorous water body. Firstly, exogenous solid-liquid contaminants are prevented from entering the polluted black and odorous water body, the solid contaminants in the water body are primarily removed through manual operation or mechanical fishing, a mud-water separating material is added into the black and odorous waterbody of a lake to improve the transparency of the water body, and illumination energy is provided for growth and propagation of microorganisms; then, porous biological carriers are put into a bottomsludge layer of the water body through the modes of pit digging, net pipe arranging or bottom mud structures, and biological oxidation materials are added and injected in the targeting direction of the bottom sludge layer to activate the microorganism metabolism environment of the bottom mud. The ecological pit-type treatment method is mainly applied to treatment on the black and odorous water body, can rapidly improve the water body and the black and odorous phenomenon of the bottom mud, optimizes the microorganism metabolism environment of the bottom mud, realizes in-situ degradation withoutsludge removal, effectively stops the bottom mud from floating, and promotes biological degradation of COD / NH3-N / TP.

The invention provides a manufacturing method for a sprouted brown rice beverage, belongs to the technical field of beverage processing, and particularly relates to the manufacturing method for the sprouted brown rice beverage. The method comprises the following steps: using the sprouted brown rice as a raw material, preparing a fermentation fluid through the working procedures of microzyme fermentation, ethyl alcohol leaching, acetic acid bacteria fermentation and the like, and then obtaining finished products by diluting, mixing, filtering, bottling and disinfecting the fermentation fluid. The sprouted brown rice beverage disclosed by the invention overcomes the defect that the mouth feel of the brown rice is not good. Through the effect of the fermentation, macromolecular substances in the brown rice are degraded into micromolecule substances which are easily digested and absorbed by human bodies; at the same time, a large number of microorganism metabolism products which are beneficial to the human bodies are produced; at the same time, through the soaking effect of acetic acids, many nutrient substances in the brown rice, which are insoluble in water, are lixiviated; and therefore, the sprouted brown rice beverage disclosed by the invention remains the original nutrient components of the sprouted brown rice, at the same time, the sprouted brown rice beverage is easier to absorb, the mouth feel of the sprouted brown rice beverage is better, and the efficacies of the sprouted brown rice beverage are more outstanding.

The invention discloses an absorption product, a manufacturing method of the absorption product and a water-repellent reagent for the absorption product. The absorption product comprises an impermeable layer making contact with a fixed object and an absorption surface layer for absorbing liquid. The impermeable layer is made of non-woven fabric. A protective film formed through water repellency treatment is attached to the surface of the non-woven fabric of which the impermeable layer is made, and the protective layer allows water vapor to pass through and prevents liquid from seeping out of the absorption product. After water repellency treatment is conducted on the non-woven fabric, the gas exchange of the absorption product and the external environment can be achieved, liquid stored in an absorption core layer is allowed to evaporate, ventilation in the absorption product is improved, heat in the absorption product can be taken away through evaporation, humidity is reduced, the sticky feeling generated in the wearing process is reduced, the use comfort degree is increased, and the unpleasant smell generated by microorganism metabolism breeding is reduced. Liquid seeping and flowing out of the absorption core layer can be prevented from permeating out of the absorption product, thus, the use comfort degree of a user is guaranteed, and meanwhile the leakage problem can be avoided.

The invention relates to crack self-repairing concrete using aerobic basophilic microorganisms and a preparation method thereof. The concrete contains expanded perlite loading an aerobic basophilic microorganism repair agent, cement, pebbles, sand, silica fume, water, calcium lactate and water reducer. The crack self-repairing concrete has the crack self-repairing function and has heat-preservation and heat-insulation functions, the aerobic basophilic microorganisms serve as a crack repairing agent, calcium lactate serves as nutritional matter for microorganism metabolism, and expanded perlite serves as a carrier of the crack repairing agent. When concrete cracks, water and air enters the cracks so that resting microorganisms can restore the metabolism function, calcium lactate is converted into calcium carbonate precipitate, and accordingly the aims of automatically diagnosing and repairing the concrete cracks, preventing expansion of the cracks and improving concrete impermeability are achieved. The microorganism crack self-repairing concrete serves as a concrete material integrating the functions of crack self-diagnosis and self-repairing, lightweight, heat preservation and heat insulation, and has large research value and application potential.

Multi-level circulation aerobic treatment technology belongs to waste water treatment technology. The invention provided technology is: 1) each level aerobic reaction device uses upper-lower layer mode to divide the device into upper and lower two parts, the lower part uses traditional fan to aerate, the upper layer uses surface to aerate and pushes water stream to form a circular flow; 2) uses multi-level aerobic reaction device combination mode to form multi-level circulation aerobic reaction. The invention has high operation stibility and strong resistance to impact load; uses a combined circular areation mode of upper-level layers to aerate at the same time, and surface aeration pushed water flow, to promote phase contact of mass transferphase interface alternation, and provides good motion conditions for biochemical reactions of activated sludge organic substrage and oxygen, acclerates reaction speed and improves waste water treatment efficiency; liquid flowing speed in system approaches 0.3-0.5 m / s, high oxygen utilization ratio, strong biochemical reaction, fast microorganism metabolism, high sludge activity, short hydraulic retention time; and removing ratio of pollutants are improved 20-30% comparing with the former aerobic treatment method.

The invention discloses efficient fermentation style hericium erinaceus culture compost and a preparation method thereof. The efficient fermentation style hericium erinaceus culture compost is prepared by the following raw materials, by weight, of high-yield cellulase fungus solutions, polyving akohol, 2-4%wt of CaC12 solutions, sodium alginate, 2-5%wt of NaOH solutions, apple pomace, pinecones, sugarcane leaves, rabbit dung, sheep dung balls, EM microbial agents, chitin, mulberry leaves, tea tree wood chips, fruit-vegetable old leaves, kaoline and a moderate amount of water. According to the efficient fermentation style hericium erinaceus culture compost and the preparation method thereof, rabbit dung, sheep dung and the like are fermented and then used for cultivation of hericium erinaceus. The faeces are all from herbivores, cellulose is completely utilized, and many nutrients are left over. Zymophyte is added and fermenting is conducted after sterilization, and then organic acid type compositions and microorganism metabolism beneficial products are obtained. In the subsequent cooking process, redundant sundry funguses are killed, dead individuals of the sundry funguses are also abundant nutrition sources, and the effect is better, so that the yield of the hericium erinaceus and quality of all aspects can be improved.

The invention provides a manufacturing method for a sprouted brown rice beverage, belongs to the technical field of beverage processing, and particularly relates to the manufacturing method for the sprouted brown rice beverage. The method comprises the following steps: using the sprouted brown rice as a raw material, preparing a fermentation fluid through the working procedures of microzyme fermentation, ethyl alcohol leaching, acetic acid bacteria fermentation and the like, and then obtaining finished products by diluting, mixing, filtering, bottling and disinfecting the fermentation fluid. The sprouted brown rice beverage disclosed by the invention overcomes the defect that the mouth feel of the brown rice is not good. Through the effect of the fermentation, macromolecular substances in the brown rice are degraded into micromolecule substances which are easily digested and absorbed by human bodies; at the same time, a large number of microorganism metabolism products which are beneficial to the human bodies are produced; at the same time, through the soaking effect of acetic acids, many nutrient substances in the brown rice, which are insoluble in water, are lixiviated; and therefore, the sprouted brown rice beverage disclosed by the invention remains the original nutrient components of the sprouted brown rice, at the same time, the sprouted brown rice beverage is easier to absorb, the mouth feel of the sprouted brown rice beverage is better, and the efficacies of the sprouted brown rice beverage are more outstanding.

The invention discloses a production method for preparing seaweed fertilizers with seaweed contents and beneficial microorganisms by microorganism fermentation. According to the method, a certain amount of seaweed serous fluid is added into compound strain liquid culture media, wall breaking of seaweed cells is facilitated by enzyme and acid generated by microorganism metabolism, so that contents of the seaweed cells are released. The production method includes the steps: firstly, crushing fresh seaweeds or soaked seaweeds into coarse powder by the aid of a fresh seaweed crusher; secondly, performing homogeneity on the coarse powder by the aid of a homogeneous mixer; taking homogenized seaweed serous fluid as culture media to add into culture media of compound microorganisms; performing fermentation for 3-5 days at suitable temperature after the microorganisms are inoculate; producing the liquid seaweed fertilizers with the seaweed contents and the beneficial microorganisms. The produced fermentation liquid seaweed fertilizers contain the seaweed contents for adjusting plant growth and also contain a lot of microorganisms for adjusting soil, the transplanted survival rate of various crops can be facilitated, seedling recovering period is shortened, plants can rapidly germinate new root systems, main roots and lateral roots are dense, root hair areas are increased, the various crops can bear more fruits, the fruits and tubers are expanded, yield is increased, and the seaweed fertilizers have wide market prospects and popularization values.

The invention relates to Brevundimonas naejangsanensis S3 and application thereof. The Brevundimonas naejangsanensis S3 is preserved in China General Microbiological Culture Collection Center on July 10th, 2015, and the preservation number of the Brevundimonas naejangsanensis S3 is CGMCC No.11072. The Brevundimonas naejangsanensis S3 has the advantages that the Brevundimonas naejangsanensis S3 can degrade antibiotics, avoid competition among mixed microorganisms and avoid antagonism among different microorganism metabolism products; meanwhile, due to the fact that single microorganism material is used, degrading conditions can be controlled easily, and management is facilitated; the Brevundimonas naejangsanensis S3 is added as dominant bacterial community during environment remediation and is few in environment interference factors, few in limitation conditions, and the like.

The invention discloses corn and potato fried flour flavored fermented milk. The corn and potato fried flour flavored fermented milk is obtained through the six steps of raw material processing, matching, homogenizing, sterilizing and inoculating, culturing and fermenting, and refrigerating and after-ripening. The obtained flavored fermented milk is light yellow in color and luster, is uniform emulsion liquid, is free of depositing and layering, is mellow and smooth in taste and moderate in sweetness, has unique flavors of sweet potatoes and corns, and is strong and mellow in aroma; through detection, the flavored fermented milk contains 19% of soluble solids, 3.8% of protein, 3.5% of fat, 13% of total sugar and 10.3% of reducing sugar; in addition, the flavored fermented milk has good characteristics of corns and sweet potatoes; the corn and potato fried flour flavored fermented milk is obtained by mixing, drying and milling the sweet potatoes and corns, adding flour into milk and adding lactic acid bacteria for microorganism metabolic fermentation; the nutrients of the corns and sweet potatoes become small molecules through the microorganism metabolism so as to be more easily digested and absorbed.

The present invention discloses a method for microorganism synthesizing glycolipid based on crystal glue. The method uses super-large pore crystal glue as a hydrophobic substrate release carrier, andcrystal glue controlled release and microorganism metabolism are used to synthesize the glycolipid. In the synthesis process, advantages of large crystal glue carrier porosity, high loading capacity,small mass transfer resistance, high mass transfer rate, easy dispersion and distribution in fermentation liquid, etc. are fully utilized, a hydrophobic substrate is subjected to dispersion and distribution, dispersion of the substrate in the fermentation liquid and contact area of the substrate with microorganism cells are increased, dispersion and mass transfer of the substrate are promoted, andthus utilization of the substrate by microorganisms is improved. At the same time, the crystal glue is utilized to conduct the controlled release of the hydrophobic substrate, substrate inhibition ina microorganism synthesis process is reduced, the microorganism fermentation synthesis process can still be proceed smoothly under a condition of the high concentration substrate, and yield of the glycolipid is improved. The provided method is convenient in downstream separation and easy for industrial amplification, and has a very good application prospect.

The invention belongs to the field of microbial fermentation, and provides a method for preparing a nine-white Chinese herbal enzyme active essence mask. The method is made by extracting nine kinds of white Chinese medicinal materials and ten kinds of Chinese herbal medicine ingredients, and fermenting them through special enzyme bio-fermentation technology , the finally obtained mask is Jiubai Chinese herbal medicine enzyme active essence mask, which is safe and non-toxic, and has the effects of whitening, anti-wrinkle, detoxification, beauty, and brown spot removal; after the product is fermented, the active ingredients in the Chinese herbal medicine will dissolve in the In the environment of organic acids formed by the action of microorganisms, they will form complexes with the substances formed by the metabolism of microorganisms to accelerate the absorption of active ingredients, and the effect is significantly improved by about 50-60% compared with unfermented.

The invention discloses a method for increasing the yield of table vinegar. The method includes the steps that after grain is decomposed by amylase, the table vingar is produced through fermentation with saccharomycetes and acetic acid bacteria, and is characterized in that when saccharomycetes grow and multiply, a growth and multiplying nutritional agent is added into fermentation culture liquor,and mainly comprises a vitamin B2, a vitamin C, monopotassium phosphate, disodium hydrogen phosphate, ferrous sulfate, oleic acid, inositol and citric acid. Through the method and the growth and multiplying nutritional agent, growing and multiplying of the saccharomycetes and acetic acid bacteria can be promoted, the activity intensity of microorganism metabolism can be improved, accordingly, conversion of all substances is promoted, the problem is solved fundamentally that since a production strain is insufficient in nutrition, production and product quality suffer bad influences, all kindsof nutrients needed by the strain during growing and multiplying can be comprehensively supplemented, and excellent fermentation performance of the strain can be kept all the time. After the product is used, the yield of table vinegar can be increased by 10% or more.

The invention discloses a dorking microorganism viable bacteria fermentation concentrated feed and a production method thereof. The dorking microorganism viable bacteria fermentation concentrated feed is prepared by mixing the following materials: 30-40% of biological decomposition bean pulp, 8-10% of polypeptide biological blood powder, 40-46% of mixed feed meal, 8-12% of feed additive and 1-5% of animal oil. In the feed, feed use ratio is improved by exogenous enzyme and microorganism fermentation; by the beneficial microorganism viable bacteria, flora in a dorking intestinal tract can be regulated to be balanced to improve the anti-stress capability of the dorking; and organic acid and bacteriocin generated by microorganism metabolism can inhibit and kill pathogenic bacteria in feed and the dorking body. The dorking microorganism viable bacteria fermentation concentrated feed does not need to add any antibiotic substance, can effectively inhibit undesirable bacteria growth, regulate the balance of egg and meat intestinal flora, and improve immunity; and chicken has abundant nutrition and does not contain any substance harmful to the human body.