78 results about "Biomin" patented technology

The invention discloses a biological protein feed and a preparation technology thereof. With plant cake dregs as a main ingredient and corn meal as an accessory, the biological protein feed is prepared by biological fermentation, wherein crude protein in the feed is greater than or equal to 48.0%, water is less than or equal to 12.5%, lysine is greater than or equal to 2.5%, beneficial bacteria are more than or equal to 5 billion cfu / g, and organic acid is greater than or equal to 3.0%. According to the invention, the plant cake dregs are used as the main raw material, a protein feed with a low nutritional value is converted into a protein feed with a high nutritional value through microbial solid fermentation, and the pressure of lack in the domestic protein feed is relieved to a certain degree. The biological protein feed disclosed by the invention is applied to livestock breeding, and can obviously improve the absorption utilization rate of nutrient substances in the feed by animals, reduce emission of harmful substances such as ammonia gas, hydrogen sulfide, phosphorus and the like in the animal excrement, and obviously reduce the secondary pollution caused by livestock and poultry. The biological protein feed disclosed by the invention can replace the fish meal, yeast and the like in livestock breeding, thus the breeding cost can be obviously reduced.

The invention provides a method for producing biologic protein feed by using solid-state fermentation fiber dreg. The method comprises the steps: activating, inoculating, cultivating and fermenting lignin trichodermin strain, candida utilis and saccharomyces cerevisiae to obtain a first liquid strain and a second liquid strain; adding maize flour, ammonium sulfate and potassium dihydrogen phosphate in maize soaking water, regulating pH value, conducting steam sterilization to obtain liquid nutrient solution; evenly agitating the dried wet maize peel dreg with bran, maize steep liquor, bean pulp, rice chaff and urea together, regulating pH value to obtain starting crude base stock; evenly mixing the liquid nutrient solution and the starting crude base stock, then inoculating, fermenting, continuously agitating and supplying fresh air, simultaneously adding inorganic salt, and evenly mixing; and drying the fermented materials at the temperature lower than 55 DEG C to obtain the biologicprotein feed. According to the method, the biologic protein feed is produced by utilizing wet maize peel dreg generated in process of producing starch from maize through wet method, and maize soakingwater, so that the additional value is increased, and the cost is lowered.

The invention discloses a method for processing human excrement by utilizing black solider flies to prepare an organic fertilizer, which belongs to the technical field of environmental protection. The method comprises the following steps: filtering excrement dregs through a mesh screen with an aperture of 2-10 cm, and then, adding auxiliary materials to the filtered excrement dregs to prepare the mixture into a culturing material, inoculating ova of the black solider flies on the surface of the culturing material, culturing the ova at 25-35 DEG C for 20-30 days, collecting the culturing material, drying the culturing material, and preparing the culturing material into the organic fertilizer, wherein the auxiliary materials are feather powder, meat and bone meal, saw powder and straw powder. The method provided by the invention has strong processing capability, less occupied field and low energy consumption in a processing process; in the processing process of the human excrement dregs, a biological organic fertilizer and the biologic proteins of maggots of the black solider flies are obtained synchronously; the resource utilization of the human excrement dregs is achieved; waste is changed into valuable articles; not only is the environmental sanitation improved, but also the organic fertilizer and the biologic proteins are produced simultaneously; and the method has quite good application foreground.

The invention relates to a biological protein feed and a production method thereof. The production method comprises: crushing corn straw into particles capable of being screened with a 20 mesh sieve, and adopting a rail type autoclave to carry out a moisture and heat steam treatment for 30 min at a temperature of 100 DEG C; adopting a two-step method to ferment, wherein Gloeophyllum trabeum is firstly inoculated to ferment, urea, magnesium sulfate and potassium dihydrogen phosphate are added to the obtained primary fermentation product, uniform mixing is performed, and Aspergillus niger, Aspergillus oryzae, Bacillus subtilis and Candida utilis are inoculated to carry out secondary fermentation; drying after completing the fermentation; and carrying out 40 mesh crushing to obtain the biological protein feed. According to the present invention, the biological protein feed production method has characteristics of simple process and low cost; with application of the produced biological protein feed to feed milk cows, the milk yield can be increased by more than 4.7%, and the milk protein content can be increased by more than 4.1%; and the produced biological protein feed is suitable for various types of high, medium and low-end milk cow farming customers, and can further be used for feeding other livestock and poultry including piglets, chickens, ducks, geese and other poultry.

The invention discloses a method for simultaneously obtaining organic fertilizers and biological proteins by biologically treating inapplicable fresh tobacco leaves by utilizing lucilia sericata larvae. The method is characterized by comprising the following steps: stirring chips of the inapplicable fresh tobacco leaves and auxiliary materials such as fish meal uniformly to prepare culture materials, inoculating lucilia sericata eggs onto the surfaces of the culture materials, biologically transforming the culture materials by the hatched lucilia sericata larvae, simultaneously transforming the inapplicable fresh tobacco leaves to bio-organic fertilizers, and thus obtaining lucilia sericata maggot biological proteins. The method has the beneficial effects that the inapplicable fresh tobacco leaves are biologically transformed by utilizing the lucilia sericata larvae and the lucilia sericata maggot biological proteins and the high-quality bio-organic fertilizers are generated while the inapplicable tobacco leaves are disposed; about 3-4 tons of commercial bio-organic fertilizers and about 0.8-1.2 tons of fresh lucilia sericata maggots can be produced in the process of treating 10 tons of inapplicable fresh tobacco leaves each time, and thus efficient resource utilization of the inapplicable fresh tobacco leaves is achieved and wastes are turned into useful things; the occupied site is small and can be reused, so that the land usage is not changed; the tobacco leaves only need to be cut up or ground into 2-3cm powder, and thus the grinding cost is remarkably reduced; the energy consumption is low and discharge is less in the treatment process; the returns can be increased as the bio-organic fertilizers and the biological proteins are simultaneously generated.

The invention relates to a preparation method of a gold absorbent based on a waste eggshell membrane biomaterial, and belongs to the technical field of resource recycling. Through the acid pretreatment, protein hydrolysis and modified curing of an eggshell, a modified biological protein composite absorbent can be obtained. The cross-linked protein is changed to a water-soluble substance through the hydrolysis of the protein, internal functional groups also can be exposed, the modified curing process is carried out in the water solution, and the reaction uniformity is improved. The prepared absorbent contains a great amount of specific reactive functional groups for adsorbing gold ions, thereby having a special selective adsorption property for the gold ions. The preparation material is sourced from the kitchen waste eggshell, so that no only can the surface of the adsorbent have a plurality of protein groups of the eggshell membrane, but also the functional property of a modifier can be integrated. The raw materials of the absorbent are abundant, the cost is low, the process is simple, and the operating time is short; and moreover, the kitchen waste is used for recycling the gold to treat the waste by utilizing the waste, and a high adsorption property and an excellent practicability can be realized.

The invention discloses a method for producing a biological protein feed through mixed solid fermentation of yeast production wastewater and rapeseed meal by using a composite strain. The method comprises the following steps: mixing rapeseed meal used as a raw material with yeast wastewater used as an auxiliary material, and adjusting the water content of the above obtained mixed material to 35-45%; adding the composite strain accounting for 0.2-0.5% of the mass of the mixed material, and fermenting the mixed material at 20-55DEG C for 40-75h; and drying the fermented material in a 50-75DEG C fluidized bed, crushing the dried fermented material, and packaging the crushed fermented material to obtain the biological protein feed. Fermentation of the yeast wastewater and the rapeseed meal is initiated at home. The method has the advantages of simple process, easy operation, short production period, low production cost, and good product quality. The yeast production byproduct fermentation concentrate water is changed into valuables from wastes, so the carbohydrate source waste condition in China is solved, and promotion of the environmental protection industry in China is benefited.

The invention discloses a method for preparing an organic fertilizer by utilizing horseshit processed by houseflies, and belongs to the technical of environment friendliness. The method comprises the following steps of: crushing the horseshit, so that the roughness is between 1 and 5 millimeters; adding auxiliary materials to form a compost; inoculating housefly spawns on the surface of the compost, and culturing at the temperature of between 25 and 35 DEG C for 4 to 5 days; and collecting the compost, and drying to prepare the organic fertilizer, wherein the auxiliary materials are feather meal, meat and bone meal and globulin meal. The method is high in processing capacity, small in occupied areas and low in energy consumption in the processing procedure, a microbial organic fertilizer and housefly maggot biological protein are obtained while the horseshit is processed, the horseshit is recycled, wastes are converted into wealth, environment sanitation is improved, and the organic fertilizer and the biological protein are produced simultaneously, so the method is good in application prospect.

The invention discloses a bio-protein complete feed and a bio-protein premixed feed for raising livestock and poultry and a preparation method thereof. The bio-protein complete feed is prepared from the complete feed for livestock and poultry and mixed bacterial liquid, and the bio-protein premixed feed is prepared from the premixed feed for livestock and poultry and the mixed bacterial liquid. The feed of the invention can prevent various diseases, improve reproductive rate and survival rate of livestock and poultry and quality and yield of livestock and poultry products, produce green, health and safe products, and eliminate adverse effects of mycete, antibiotics and other medicines in the feed on biological bacteria during the use process. The feed has the advantages of simple preparation method, low cost, stable performances, convenient use and being safe and reliable.

The invention discloses a method for preparing an organic fertilizer by processing human manure with houseflies, belonging to the technical field of environmental protection. The method comprises the following steps: filtering manure slag with a mesh screen of which the pore size is 2-10cm, adding auxiliary materials to prepare a compost, inoculating housefly blows on the compost surface, culturing at 25-35 DEG C for 4-5 days, collecting the compost, and drying to prepare the organic fertilizer, wherein the auxiliary materials are feather meal, meat and bone meal, sawdust and straw powder. The method disclosed by the invention has the advantages of high processing capacity, small occupied area and low energy consumption in the processing course. The biological organic fertilizer and housefly maggot bioproteins are simultaneously obtained in the course of processing the human manure slag, thereby recycling the human manure slag and changing wastes into valuable substances. The invention can be used for producing the organic fertilizer and bioproteins on the premise of improving the environmental hygiene, thereby having wide application prospects.

The invention discloses a method for simultaneously obtaining organic fertilizers and biological proteins by biologically treating inapplicable fresh tobacco leaves by utilizing nicotine resistant musca domestica L. larvae. The method is characterized by comprising the following steps: preparing culture materials from chips of the inapplicable fresh tobacco leaves and auxiliary materials such as fish meal, inoculating nicotine resistant musca domestica L. eggs onto the surfaces of the culture materials, biologically transforming the culture materials by the hatched musca domestica L. larvae and transforming the inapplicable fresh tobacco leaves to bio-organic fertilizers quickly. The method has the beneficial effects that the inapplicable fresh tobacco leaves are biologically transformed by utilizing the nicotine resistant musca domestica L. larvae, and thus pollution caused by the inapplicable fresh tobacco leaves is eliminated; the musca domestica L. maggot biological proteins and the high-quality bio-organic fertilizers are generated while the inapplicable tobacco leaves are disposed; about 3-4 tons of commercial bio-organic fertilizers and about 0.8-1.2 tons of fresh musca domestica L. maggots can be produced in the process of treating 10 tons of inapplicable fresh tobacco leaves each time, and thus efficient resource utilization of the inapplicable fresh tobacco leaves is realized and wastes are turned into useful things; the occupied site is small and can be reused, so that the land usage is not changed; the tobacco leaves only need to be cut up or ground into 2-3cm powder, and thus the grinding cost is remarkably reduced; the energy consumption is low and discharge is less in the treatment process; the returns can be increased as the bio-organic fertilizers and the biological proteins are simultaneously generated.

The invention relates to a method for producing a bioactive-selenium-enriched food, and discloses a method for producing a novel selenium-enriched food. In a combined system comprising konjac fine flour, peanut, black sesame and various food components containing biological proteins and polypeptides, a selenium compound and edible organic acid are subjected to activation reduction reaction, raw materials and an activation reducing agent are readily available and have good physical and chemical properties, and the activation reaction is easy to operate. The obtained protein or polypeptide form bioactive selenium is stable, and high in bioactivity; in addition, the bioactive selenium is uniformly distributed in the proteins or the polypeptides, and is convenient to absorb in a human body.

The invention discloses a special culture medium for artificially cultivating pollution-free oyster mushrooms and a preparation method of the special culture medium. The culture medium is prepared from, by weight, 30-60 parts of corncobs, 15-20 parts of wood bits, 10-15 parts of bran, 4-5 parts of lime and 0.5 part of trace elements, wherein the ratio of materials to water is 1 to 1.5. The preparation method includes the following steps of firstly, keeping the temperature of the culture medium between 40 DEG C and 50 DEG C for 40-50 h; secondly, putting the culture medium in mushroom bags, and sterilizing the bags in a normal-pressure boiler at a temperature of 75 DEG C to 95 DEG C for 4 h; thirdly, cooling the mushroom bags to the normal temperature after sterilizing ends. The special culture medium is beneficial to edible mushrooms and not beneficial to growth of various types of moulds, various bacterial spores are cultivated into vegetative bodies, biological protein is synthesized, and fixed nutrients are improved; when the oyster mushrooms are artificially cultivated through the special culture medium, the pollution-free high-quality edible mushrooms can be obtained without using any pesticides in the oyster mushroom producing process, and the quality stability of the product is ensured.

The invention discloses an N<15> stable isotope labeling method for biological protein quantifying and tracing. The method comprises the steps that yeast is utilized for converting an N<15> inorganic salt into biological protein, wherein when the culture passage number of the yeast reaches 6 or above, 98% or above of protein extracted from the yeast is N<15> protein; the high-purity N<15> protein extracted from the yeast is converted into N<15> yeast peptone, the N<15> yeast peptone is utilized for replacing conventional N<14> yeast peptone to be used for culturing multiple organisms, and specific N<15> isotope labeling is provided for biological protein labeling quantifying and tracing. The method can be applied to more organism varieties and is easy and convenient to operate, low in experimental cost and short in test cycle, and people can conduct proteome analysis on a large number of samples in an efficient and low-cost mode conveniently.

The invention discloses a high-performance biological feed and a production method of the feed. The high-performance biological feed is characterized by comprising the following multiple raw materials in parts by weight: 15-30 parts of insect high protein powder, 30-60 parts of virus-free fermentation cassava, 6-30 parts of microprotein yeast powder, 3-8 parts of single-celled algae extract, 1-3 parts of multifunctional fibrinolytic activator, 1-2 parts of microbial probiotics, 2-3 parts of trace element amino acid nutrient solution, 0.5-1 part of earthworm enzyme extract and 0.5-2 parts of compound Chinese herbal medicine preparation. The high-performance biological feed disclosed by the invention is widely applied to breeding livestocks and aquatic livestocks, and the proportion of the formulation of the raw materials of the feed can be flexibly adjusted according to the animal breeding condition. The production method disclosed by the invention has the advantages of improving the quality of the feed, reducing the production cost, increasing the safety probability of breeding food, and the like.

The present invention discloses a probiotic organism protein feed and a production method, the probiotic organism protein feed is made by 52.08 shares of dissolved animal waste and 52.08 shares of fiber plant, under the role of enzyme, which is dissolving the keratoprotein of animal waste, and then stirring and dehydrating to the keratoprotein after dissolving, the water can be reduced to 30 to 35 percent, then proceed the bio-fungus stirring quickly to the keratoprotein after dissolving together with the fiber plant, under the normal temperature conditions, adding the nutrition source properly for closed fermentation; then hypothermia drying, grinding and finished products packaging; the process and production method of the present invention is simple, the producing condition is low, the consuming time is short, the cost is low, and the thermo-sensitive amino acids matrix in the keratoprotein is uneasy broken under the low voltage and low temperature, using the method can provide organism protein feed with high content of probiotic, high nutrition, high economic benefit and good economic social environment.

The invention relates to a kitchen waste leavening agent. The kitchen waste leavening agent comprises a compound microorganism strain preparation, a compound enzyme, a compound additive and a carrier. A compound microbial strain comprises bacillus subtilis, bacillus licheniformis, lactic acid bacteria and saccharomycetes. The compound enzyme comprises cellulase, xylanase, protease and phytase. The compound additive comprises Chinese herbal medicines and oligosaccharides. The carrier comprises calcium carbonate powder or zeolite powder. According to the kitchen waste leavening agent, organic matters of kitchen waste are effectively degraded and converted into micromolecular mycoprotein, oligosaccharide and the like through rapid mass propagation of the compound microorganism strain and the compound enzyme, and the conversion rate can reach 98% or even higher. The product obtained through synergistical fermenting of the compound microorganism strain and the compound enzyme can be used as regenerated products such as biological protein raw materials and is applied to livestock and poultry feeds, and the effective recycling of kitchen waste resources is really achieved.

The invention discloses a resourceful treatment method for organic waste. The method comprises the following steps: (1) sorting the organic waste into organic waste, organic waste water and inorganicwaste; (2) conveying the sorted organic waste to an automatic crushing screening machine and a stirrer, adding a plurality of biological enzymes and a plurality of feed raw materials, and performing stirring, (3) conveying the mixture to a high-temperature biological treatment system through a conveying belt to generate insect feed with the water content of 2%-8%; (4) applying the obtained insectfeed to insect breeding to obtain insect protein; (5) treating the obtained insect protein to obtain a powdery or insect natural form high-efficiency biological protein material and an insect source biological organic feed; and (6) dissolving engineering microbial inoculum and EM microbial inoculum in a cellulolytic enzyme system and crushed plant straws in the sorted organic waste water to form aproduct which is used as a livestock grain substitute feed. Compared with the prior art, the method has the advantages of environmental protection and high recycling rate.

The invention discloses a method for breeding hermetia illucens larvae through a three-phase separated solid-phase material in a kitchen project. The method comprises the following steps: S1, preparing hermetia illucens larva breeding feed which is a compound mixture of a three-phase centrifugal solid-phase material, an auxiliary material and lactic acid bacteria; S2, egg incubation: putting hermetia illucens eggs into a brooding box added with brooding feed for incubation; S3, breeding of the hermetia illucens larvae: adding the breeding feed into a breeding box or a breeding pond, and putting the hatched larvae; and S4, separation of the larvae and the feed: after the larvae grow to a specified length, separating the larvae from the insect excrement and the residual feed. According to the method, the three-phase separated solid-phase material in the kitchen waste project is used as a base material to breed the hermetia illucens larvae, the three-phase separated solid-phase material is used as an effective supplement of an original treatment process, the kitchen waste is effectively utilized through biological protein conversion of the hermetia illucens larvae, resource recycling is more thorough, the hermetia illucens larvae which are higher in value and wider in application are obtained, and the maximum economic benefit is obtained.

The invention belongs to the technical field of microbial fermentation engineering, and particularly relates to biological protein feed prepared from waste vinasse of Jimo rice wine and a preparation method of the biological protein feed. The rice wine vinasse and peanut skin are screened under fermentation conditions, so that the palatability, the acid soluble protein content and the protein digestion utilization rate are improved, and anti-nutritional factors are decomposed to a certain extent. The two raw materials are compounded and fermented, amino acid composition is complementary and improved, the content of crude protein, lysine, methionine and crude fiber can be complementary, and the nutritional value and the feeding value are improved. By applying the product, the breeding cost can be reduced, and the income can be increased; through enzyme treatment and fermentation, the feed contains a large number of probiotics and is rich in growth factors, peptides and the like, the health level of animal bodies and intestinal tracts can be improved, the disease resistance can be enhanced, antibiotics can be conventionally not used, and nonreactive healthy breeding can be promoted.

The invention discloses a method for preparing organic fertilizer from human excrement treated by boettcherisca peregrina, and belongs to the technical field of environmental protection. The method comprises the following steps of filtering human excrement by a sieve having aperture sizes of 2 to 10 centimeters, adding auxiliary materials into the sieved human excrement, preparing the mixture into a culture material, inoculating the surface of the culture material with boettcherisca peregrina maggots, carrying out culture at a temperature of 25 to 35 DEG C for 4 to 5 days, collecting the culture material obtained by the previous step, drying, and preparing the dried culture material into organic fertilizer, wherein the auxiliary materials comprise feather meal, meat and bone meal, sawdustand straw powder. The method has the advantages that treatment capability is strong; a floor space is small; energy consumption of treatment processes is low; biological organic fertilizer and a boettcherisca peregrina maggot biological protein can be obtained simultaneously; human excrement resource utilization is realized; waste is changed into valuables; environmental sanitation is improved; organic fertilizer and a biological protein are obtained simultaneously; and the method has good application prospects.

The invention discloses a method of treating horse dung with Chrysomya megacephala to prepare an organic fertilizer, which belongs to the field of environmental protection technology. The method is as follows: horse dung is crushed into particles with a particle size of 1 to 5 mm; accessories are added into crushed horse dung, and a culture material is prepared from an obtained mixture; ova of Chrysomya megacephala are inoculated on the surface of the culture material and cultured for 4 to 5 days at a temperature of 25 to 35 DEG C; the culture material is collected, dried and prepared to obtain the organic fertilizer; wherein, the accessories comprise feather powder, meat and bone powder and spray-dried blood cells. The method provided in the invention has the advantages of strong treating capability, a small occupation area and low energy consumption in the process of treating; the method enables a biological organic fertilizer and Chrysomya megacephala maggot bioproteins to be obtained in the process of treating horse dung, thereby realizing resource utilization of horse dung, changing waste into valuables, improving environmental sanitation and producing the organic fertilizer and bioproteins; therefore, the method has a very good application prospect.

The invention belongs to the technical field of fermented straw feed and provides a fermentation method capable of improving the biological protein content of yellow maize straw for solving the problems that the yellow maize straw is low in protein content, poor in quality, unbalanced in protein and low in nutritive value, and can not be easily used as herbivorous livestock feed. The method comprises the steps of fermenting the yellow maize straw by using ultraviolet irradiation induced strain of marasmius salicicola, wherein the marasmius salicicola is picked from Changbai mountains, wherein ultraviolet purification and rejuvenation cultivation are carried out in a laboratory to screen out high-activity strains for the fermented maize straw strain. In the high-activity strains, the enzyme activity of carboxymethyl cellulase is detected to be 167.0mmol / ml; the mycelium is thick and strong; through plate cultivation, the strains can grow all over the whole plate one day earlier than oyster mushrooms and shiitake mushrooms; the varietal characteristic query and laboratory analysis prove that the strains are non-toxic. The fermented maize straw is white yellow, the fermented material is firm in fungus blocks, and the white mycelium is thick and has strong mushroom flavor; the biological protein (true protein) content is at least improved by 2%, and the true protein content averagely reaches 6.87%; the fermented feed is good in effect when used for fattening lambs.

The invention discloses a surface patterning manufacturing method of a biological protein film. The method comprises the following steps: S1, preparing a metamaterial array; S2, preparing a biologicalprotein film; S3, enabling the metamaterial array to be in contact with the biological protein film, and radiating the metamaterial array through electromagnetic waves; S4, moving the biological protein film, and performing pattern direct writing on the surface of the biological protein film; and S5, developing the biological protein film through a developing solution. According to the invention,a mask plate is not needed, the bioprotein film can be directly processed through the metamaterial array, and the operation is simple and convenient; the resolution of the biological protein film subjected to pattern direct writing is related to the gap size of the metamaterial array, the nanoscale resolution can be achieved, and the resolution is high; the metamaterial array is provided with a plurality of element structures, and the element structures can be used as photoetching direct writing heads, so that the plurality of photoetching direct writing heads can work synchronously, and thedirect writing efficiency is higher.

The invention provides a macadimia nut protein feed; more specifically, the invention provides a biological protein feed produced from agricultural and forestry wastes, including macadimia nut oil dregs, immature macadimia nut peel and the like, as well as a preparation method and an application thereof. The macadimia nut protein feed specifically comprises the following raw materials in parts byweight: 20-30 parts of macadimia nut oil dregs, 10-20 parts of immature macadimia nut peel powder, 40-60 parts of corn flour or wheat, 1 part of limestone, 1 part of calcium hydrogen phosphate, 1 partof tenebrio molitor powder or 1 part of chili pepper powder or 0.8 part of macadamia nut oil, 0.2 part of edible salt, 0.2 part of sodium bicarbonate, 0.2 part of lysine, 0.2 part of methionine, 0.2part of threonine, 0.15 part of minerals, and 0.05 part of compound vitamins.

The invention belongs to the field of production methods of biological protein products, and provides a preparation method of a marine organism health-care peptide preparation. According to the invention, a double-enzyme step-by-step hydrolysis mode is adopted; the hydrolysis degree of oyster protein and sea cucumber protein is improved; the defect that the biological activity of protein polypeptide is reduced due to loss of functional components in the protein polypeptide in the traditional process is overcome; medicinal and edible food materials are added, so multiple health-care effects areincreased, and the protein peptide preparation with liver protecting activity and health-care effects is prepared; and in virtue of a microencapsulation technology, the bad smell of the oyster protein peptide is masked, the high activity of the polypeptide is maintained, and product quality is improved.

The invention discloses a strain composition for feed fermentation. The composition is prepared from the following strains in parts by weight: 12 to 18 parts of lactic acid bacteria, 15 to 25 parts of saccharomycetes, 3 to 8 parts of mould, 12 to 18 parts of bacillus, 8 to 12 parts of streptococcus, 4 to 6 parts of photosynthetic bacteria, 8 to 12 parts of bacteroides and 8 to 12 parts of trichoderma. The invention also provides a feed prepared from the fermentation strain composition. The strain composition has the advantages that nutritional ingredients in feed can be well converted into biological protein which can be easily absorbed by pigs, harmful strains and mosquitoes and flies can be inhibited from being generated, no antibiotic needs to be added, the disease resistance and disease prevention capacity of the pigs can be improved, and the meat quality of pork can be improved.