485 results about "Soybean meal" patented technology

The invention discloses piggy creep feed containing composite flavone. The piggy creep feed is prepared from the following raw materials in parts by weight: 13 to 20 parts of expanded corn, 10 to 25 parts of corn, 6 to 13 parts of broken rice, 8 to 12 parts of flour, 8 to 15 parts of whey mist, 3 to 8 parts of soy protein concentrate, 5 to 10 parts of extruded soybean, 0.7 to 3 parts of soya-bean oil, 7 to 12 parts of 46.5-percent bean pulp, 2 to 5 parts of fish meal, 2 to 5 parts of plasma protein powder, 0.3 to 0.7 part of mountain flour, 0.5 to 1.0 part of calcium hydrophosphate, 0.05 to 0.5 part of lysine, 0.05 to 0.3 part of threonine, 0.1 to 0.3 part of sodium chloride, 0.1 to 0.8 part of compound flavone premix compounds, 0.15 to 0.3 part of zinc oxide, 0.03 to 0.06 part of calcium propionate, 0.02 to 0.04 part of ethoxyquin and 1.0 part of suckling pig premix compounds. The invention also discloses a preparation method. The intestinal tract health and the production performance of weaned pigs can be improved.

The invention discloses a ruminant feed capable of replacing soybean meal as well as a preparation method and application of the ruminant feed. The ruminant animal feed is prepared from the following raw material matrixes in parts by weight through compound probiotic fermentation: 45-55 parts of corn sugar residues, 15-25 parts of corn steep liquor, 10-20 parts of corn germ meal, 3-8 parts of extruded soybeans, 3-8 parts of corn protein powder, 2-4 parts of urea and 0.5-1.5 parts of lysine. The compound probiotics are prepared from saccharomyces cerevisiae, lactobacillus plantarum and bacillus subtilis. The invention further discloses a preparation method of the ruminant feed and application of the ruminant feed in completely replacing soybean meal in daily ration of ruminants. The ruminant feed disclosed by the invention can completely replace soybean meal in daily ration of ruminants, and even if the ruminants are in a fattening period, the soybean meal does not need to be additionally added to maintain protein supply, so that the feed cost is effectively reduced, and multiple targets of saving cost, improving efficiency and protecting environment are achieved.

The invention belongs to the technical field of food processing, and relates to a method for preparing low-salt shrimp juice through rapid microbial fermentation. The method comprises the following steps: removing heads of shrimps, preparing meat paste, drying and crushing shrimp shells, and mixing the shrimp shells with the meat paste; carrying out enzymolysis treatment on the meat paste by using alkaline protease, and then carrying out high-temperature enzyme deactivation; mixing the shrimp meat and shrimp shell enzymatic hydrolysate mixture with soybean meal and bran, and sterilizing at high temperature; inoculating a complex microbial inoculant containing lactobacillus plantarum, saccharomyces rouxii, aspergillus oryzae, deep-sea bacillus subtilis and bacillus subtilis to prepare a mold starter, fermenting at 28 DEG C for 30 days, and finally filtering and sterilizing. According to the method disclosed by the invention, the availability of the raw materials is effectively improved, the fermentation period is shortened, efficient fermentation under a low-salt condition is realized, various basic indexes of the obtained shrimp juice product meet national standards, and the shrimp juice product is outstanding in flavor quality and has rich sauce flavor and sweet taste. In addition, the shrimp juice shows good antioxidant stability before and after digestion.

The invention belongs to the technical field of feed additives, and particularly relates to a feed additive for improving the production performance, egg quality and body health of laying hens and application of the feed additive. The feed additive is composed of mulberry leaf powder and bacillus licheniformis. The invention also provides a feed which is composed of a basic feed and the feed additive, each 1kg of the feed contains 1 * 10 < 10 > CFU of bacillus licheniformis, and the mass of the mulberry leaf powder is 9%-15% of the mass of the feed. Animal experiments prove that the feed additive disclosed by the invention has no obvious negative influence on the production performance and the body health of laying hens, and can also obviously improve the egg quality. The invention provides a feasible scheme for reduction and substitution of soybean meal and corn in livestock and poultry feed, and has important practical significance for relieving structural shortage of protein feed raw materials.

The invention provides crab feed capable of improving the quality of crab cream. The feed is prepared from the following raw materials in parts by weight: 15-25 parts of white fish meal, 10-15 parts of fermented soybean meal, 50-60 parts of squid visceral meal, 45-50 parts of krill meal, 25-30 parts of beer yeast, 200-220 parts of high gluten flour, 45-50 parts of wheat bran, 10-20 parts of soybean lecithin oil, 5-10 parts of a vitamin premix special for crabs and 5-10 parts of a mineral premix special for crabs. According to the crab feed capable of improving the quality of the crab cream, on the basis of ensuring the ingestion and intestinal health of crabs, conditions are created for efficient nutrient absorption and utilization, then gonad development and flavor substance accumulation are driven through key substances, meanwhile, a three-dimensional anti-oxidation and immune protection system runs through all the time, the body health is guaranteed, and the crab feed has the effects of improving the crab cream quality and improving the crab cream quality. The method has the advantages of simple operation, stable color and flavor of the crab cream, sufficient energy supply in the whole process, and synergistic operation of all the systems, so that the disease resistance and survival rate of crabs are improved, and the accumulated nutrient substances are efficiently converted into the plump degree, delicious flavor and attractive color of the crab cream.

The invention discloses a soybean meal precise grading crushing system and an intelligent control method, and relates to the technical field of soybean meal precise crushing intelligent control, and the soybean meal precise grading crushing system comprises a feeding adjusting module, a frequency conversion feeding machine and a refining device are integrated, and a raw material detection sensor is configured; the pretreatment module comprises a magnetic separation impurity removal unit, a vibration screening unit and a humidity adjusting unit; the multi-stage crushing module consists of three stages of serially connected crushers, and each crusher is provided with an independent variable frequency motor; the classification screening module is provided with three layers of gradient screens and an airflow classification device; the intelligent control module is provided with a PLC and a touch screen and is internally provided with a parameter database; the material conveying module adopts closed conveying equipment; the data acquisition and feedback module integrates multiple types of sensors and transmits data to the control module. The soybean meal crushing precision and uniformity are improved through pretreatment, multi-stage crushing and intelligent grading, the operation cost is reduced through the energy consumption optimization module, the product quality is maintained through the material storage management module, and precision, intelligence and high efficiency of soybean meal crushing are achieved.

The invention provides an agricultural waste composite modified edible fungus culture medium and a preparation method thereof. The agricultural waste composite modified edible fungus culture medium is prepared from the following components in parts by mass: 20 to 30 parts of corn straw, 15 to 25 parts of rice hull, 10 to 20 parts of sawdust, 25 to 35 parts of cottonseed hull, 5 to 10 parts of soybean meal, 0.5 to 2.0 parts of complex microbial inoculant, 3 to 8 parts of bentonite, 1 to 3 parts of chitosan, 1 to 2 parts of gypsum and 1 to 2 parts of lime. According to the invention, the complex microbial inoculants are adopted to carry out solid state fermentation modification on the basic mixture, bentonite and chitosan are compounded into the activated functional slurry, and through the synergistic effect of solid state fermentation and the functional slurry, the granular structure, water retention and air permeability of the matrix are fundamentally improved, and efficient activation and slow release of nutrients are realized; finally, the fruiting period of the shiitake mushrooms is shortened to be within 85 days, the yield is increased by 10% or above, the shiitake mushroom proportion is remarkably increased, and high-value utilization of agricultural waste is achieved.

The invention provides a core-shell microsphere for feed detoxification and a preparation method and application thereof.The core-shell microsphere comprises a sclerotium layer, a magnetic shell layer and a catalytic layer from inside to outside, and the sclerotium layer is composed of bacillus licheniformis and lactobacillus rhamnosus composite flora and a chitosan-sodium tripolyphosphate semipermeable membrane wrapping thalli; the magnetic shell layer is a Fe3O4 nano-particle coating, and the catalytic layer is a porous Mn-Ce-O shell. The microspheres have the double functions of biodegradation and chemical catalysis, the internal flora can degrade various toxins, the external catalytic layer efficiently decomposes stubborn toxins, the magnetic layer realizes rapid magnetic separation and recovery, and the microspheres are suitable for removing mycotoxins from feed raw materials such as corn and soybean meal.

The invention relates to the technical field of microorganisms, and discloses a plant lactobacillus capable of inhibiting growth of monascus and application of the plant lactobacillus. The preservation number of the plant lactobacillus is CGMCC (China General Microbiological Culture Collection Center) No.34851. According to the present invention, the plant lactobacillus CCNH295 has strong bacterial inhibition ability on common soybean meal contaminating molds, such as aspergillus flavus, aspergillus ochraceus, fusarium moniliforme and penicillium; the plant lactobacillus CCNH295 has excellent bacteriostatic ability to monascus, and when the plant lactobacillus CCNH295 is used for fermentation production of soybean meal, growth of monascus can be remarkably inhibited, so that mildewing of the fermented soybean meal is effectively inhibited, and the prepared fermented soybean meal does not mildew after being placed at 37 DEG C for 6 months; besides, the fermented soybean meal produced by solid state fermentation of the plant lactobacillus CCNH295 is used as a feed raw material, so that the stability of the feed can be improved, and the palatability of the feed can be improved.

The invention relates to the technical field of microorganism co-culture fermentation, and discloses a method for producing L-carnitine soybean meal by applying a neural network to optimize fermentation conditions, and the method comprises the following steps: establishing a double-bacterium single-culture control group, collecting a double-bacterium dual-wavelength response data set, and constructing a two-dimensional geometric feature space to obtain a strain feature fingerprint slope; establishing a double-bacterium co-culture fermentation group, decomposing the real-time mixed optical density value to obtain double-bacterium estimated concentration, and constructing an enhanced input data set; then building a bimodal prediction model to output a predicted value of the L-carnitine content; and finally, setting an optimization objective function containing a yield deviation item, a phase regression item and a control smoothing item, and solving to obtain an optimal control input sequence. According to the invention, precise decoupling of the growth state of double bacteria and metabolic phase cooperative regulation and control are realized, information dimension limitation of traditional mixed optical density signals is broken through, and time sequence matching and yield stability of L-carnitine synthesis are guaranteed.

The invention relates to a feed additive for producing high-nutrition low-cholesterol eggs. The feed additive comprises natural grains, microalgae and a microalgae extract, and is prepared from the following raw materials in percentage by weight: 20-70% of corn, 5-10% of wheat bran, 5-10% of soybean meal, 5-20% of spirulina powder, 5-20% of chlorella powder and 5-20% of haematococcus pluvialis. The feed additive is added into laying fowl feed according to the proportion of 1-2wt%, the feed additive and the laying fowl feed are uniformly mixed and then fed, low-cholesterol poultry eggs rich in protein, algae source carotenoid, calcium, magnesium, zinc, iron and other nutritional ingredients can be stably obtained after the laying fowl feed is fed for 2 weeks, compared with common poultry eggs, the cholesterol content can be reduced by 26%, and the poultry eggs are fine and smooth in taste, free of fishy smell and good in taste. The nutrition and quality of poultry eggs are remarkably improved, and economic benefits are improved.

A fermented traditional Chinese medicine feed additive for catfish, its preparation method, and its application are disclosed, relating to the field of aquatic feed additives. The preparation method involves activating and expanding the culture of *Saccharomyces cerevisiae*, *Bacillus subtilis*, and *Lactobacillus plantarum*; pulverizing *Paeonia suffruticosa* leaves, *Smilax china*, *Scutellaria baicalensis*, *Rhus chinensis*, hawthorn, *Polygonum cuspidatum*, ginkgo, and forsythia suspensa* to obtain traditional Chinese medicine powders; preparing a solid fermentation medium using the traditional Chinese medicine powders, soybean meal powder, corn cob granules, and wheat bran; inoculating *Saccharomyces cerevisiae* seed culture and *Bacillus subtilis* seed culture for aerobic fermentation; and inoculating *Lactobacillus plantarum* seed culture for anaerobic fermentation to obtain the fermented traditional Chinese medicine feed additive. The resulting fermented traditional Chinese medicine feed additive promotes the absorption and metabolic elimination of enrofloxacin in catfish, shortens the withdrawal period, has preventive and adjunctive therapeutic effects on bacterial diseases in catfish, promotes growth, reduces feed conversion ratio, and improves survival rate.

This invention relates to a method for efficiently spraying soil conditioner to treat saline-alkali land using composite microorganisms, belonging to the field of soil improvement technology. The method involves screening salt-tolerant functional microbial strains to prepare a composite microbial agent, which is then mixed with carrier materials such as diatomaceous earth, soybean meal, yeast metabolites, and well-rotted farmyard manure in a specific ratio to form a conditioner for application. The conditioner is applied using a two-stage spraying method, combined with deep tillage pretreatment and controlled temperature and humidity conditions, significantly improving microbial activity and soil condition uniformity. Experimental data show that after applying this method, the soil pH value decreased to 7.3-7.5, the salt content decreased to 0.1%-0.2%, and the organic matter content increased to 18-22 g / kg, achieving efficient ecological restoration and sustainable utilization of saline-alkali land.

The invention discloses a biological fermentation feed for improving pork quality and a preparation method thereof, and belongs to the technical field of biological fermentation feeds. The biological fermentation feed comprises astragalus membranaceus powder, angelica sinensis powder, pericarpium citri reticulatae powder, codonopsis pilosula powder, liquorice powder, wild chrysanthemum flower powder, hawthorn fruit powder, rhizoma atractylodis powder, cinnamon powder, corn flour, soybean meal powder, bran powder, a bacterium enzyme complexing agent, compound enzyme liquid, compound chlorogenic acid liquid and drinking water. A preparation method of the compound enzyme liquid comprises the following steps: preparing a starch-tea polyphenol inclusion compound, and mixing; the biological fermentation feed prepared by the preparation method disclosed by the invention is not easy to decay when being placed in an open manner, is good in palatability, can greatly improve digestion and absorption of nutrient substances by pigs and improve the quality of pork, and does not need wall breaking treatment in the preparation process.

The application discloses a method for extracting soybean saponins and soybean oligosaccharides, and belongs to the technical field of natural product extraction. The method comprises the following steps: puffing treatment of soybean meal, wall breaking treatment in a high-voltage electric field; acid precipitation, collection of supernatant; after ultrasonic oscillation of the supernatant, a composite enzyme is added for enzymolysis, and a material liquid after enzymolysis is obtained; after filtration of the material liquid, the material liquid is loaded onto a macroporous resin column for adsorption, and after completion of the adsorption, effluent is collected; the effluent is purified and concentrated to obtain soybean oligosaccharides; an ethanol solution is used to elute the resin column, and eluate is collected; the eluate is recovered by ethanol and dried to obtain soybean saponins; the composite enzyme comprises amylase and beta-glucosidase. The method can significantly improve the extraction rate and purity of soybean saponins and soybean oligosaccharides, the whole process uses water as the main solvent, the consumption of organic solvents and the pollution to the environment are reduced, and the unit process water consumption, unit energy consumption and unit cost are reduced.

The invention relates to a novel amino acid foliar fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers. The method aims at solving the technical problems that in the prior art, the amino acid conversion rate is low, product stability is poor, and severe conditions such as strong acid and strong alkali are possibly used. The method comprises the following steps: mixing soybean meal, fish meal and saccharomyces cerevisiae thalli to form a compound protein raw material, performing two-stage crushing and degreasing, performing step-by-step enzymolysis by adopting a compound enzyme preparation compounded by alkaline protease and flavourzyme, performing enzyme deactivation, and performing ultrafiltration by adopting a ceramic membrane to obtain purified amino acid hydrolysate, and mixing the hydrolysate with a composite trace element mixed solution formed by EDTA-Fe, EDTA-Zn, boric acid, ammonium molybdate and citric acid, adding humic acid, a seaweed extract and an organic silicon penetrant, and carrying out high-speed shearing, filtering and vacuum degassing to finally obtain the product. The method is mainly used for producing the amino acid foliar fertilizer which is high in free amino acid content, good in stability and easy to absorb by plants.

The invention relates to an SNP (Single Nucleotide Polymorphism) molecular marker associated with the fatness of turbots fed with fermented soybean meal and application of the SNP molecular marker, and belongs to the technical field of molecular markers. The SNP molecular marker obviously associated with the fatness character is obtained by analyzing the fatness character of the turbots through genome-wide association analysis and comprises at least one of six SNP loci; the scophthalmus maximus molecular marker can be applied to scophthalmus maximus molecular assisted breeding, screening is conducted on the genome level through the breeding method, the breeding period can be greatly shortened, dependence on phenotypic characters is reduced, the selective breeding efficiency is improved, and the scophthalmus maximus molecular marker has good application prospects.

The utility model discloses a kind of stirring devices for soybean meal fermentation, which belongs to the technical field of stirring equipment.It mainly includes: main body, its outside is fixed with feed inlet and discharge port, the main body is embedded with stirring shaft body, and the outer wall of stirring shaft body is equipped with multiple stirring wheels, part of stirring wheel is slidably connected with stirring shaft body, part of stirring wheel is fixedly connected with stirring shaft body;The one end of the main body is fixed with the variable-direction driving assembly connected with stirring shaft body;Among them, variable-direction driving assembly can drive part of stirring wheel to slide along stirring shaft body.The utility model is matched with variable-direction driving shaft by variable-direction driving assembly, so that part of stirring blade in stirring equipment can adjust the spacing between other stirring blades in different stirring stages, so as to achieve more fine stirring effect, not only improve the adjusting flexibility of stirring blade, but also improve the stirring uniformity of material.The utility model is mainly used for the stirring work of soybean meal fermentation.

The invention provides a heat-stress-resistant laying hen feed and a preparation method thereof. The heat-stress-resistant laying hen feed comprises the following raw materials in parts by weight: 50-60 parts of corn, 10-20 parts of soybean meal, 5-15 parts of wheat bran, 1-5 parts of vegetable oil, 5-12 parts of fish meal, 2-5 parts of beta-alanine, 2-5 parts of activated black bean powder, 2-5 parts of quercitrin, 0.2-0.5 part of multivitamins, 4-8 parts of an electrolyte poising agent and 2-3 parts of compound amino acids. The activated black bean powder is obtained by performing enzymolysis activation on black bean powder by using an aromatic amino acid decarboxylase preparation. The laying hen feed disclosed by the invention can be used for feeding laying hens in a high-temperature environment in summer, and through a unique heat stress resistant formula, the heat stress resistant capacity of the laying hens is remarkably improved, adverse effects caused by heat stress are reduced, meanwhile, the antioxidant capacity and the immune function of the laying hens are enhanced, and the growth performance and the egg laying performance of the laying hens are improved.

The invention discloses an artificial feed for efficient propagation of low-age larva parasitic wasps of prodenia litura. The artificial feed is prepared from the following raw materials: agar powder, soybean meal, sweet potato vines with leaves, yeast powder, wheat germs, sodium benzoate, vitamin C, multivitamins, linseed oil, chlortetracycline hydrochloride soluble powder and the like. The artificial feed is used for feeding 2-5-year-old prodenia litura larvae parasitized by parasitic wasps, and the pupation rate and eclosion rate of the parasitic wasps can both exceed 93%.

The present application belongs to the technical field of plant cultivation, and particularly relates to a biological fertilizer for relieving fruit drop of Taiwan long fruit mulberry and application. The biological fertilizer comprises animal manure, soybean meal powder, humic acid, peat soil, coconut bran, bran, fermentation liquor of a compound microbial agent, seaweed extract powder, amino acid chelated iron and borax; wherein the compound microbial agent comprises Bacillus amyloliquefaciens and Pseudomonas aeruginosa. The above biological fertilizer is balanced in nutrients, is beneficial to enhancing the resistance of the mulberry to adversity and reducing fruit drop caused by stress; in addition, the Bacillus amyloliquefaciens and the Pseudomonas aeruginosa are used synergistically, and the two jointly build a healthy rhizosphere micro-ecology, thereby guaranteeing nutrient supply for fruit development from the root source. Therefore, the technical scheme of the present application can not only significantly reduce the fruit drop rate, but also improve the single fruit weight, soluble solid content and anthocyanin content of mulberry, and improve the flavor and color of the fruit.

The invention relates to the technical field of animal feeds, and discloses an animal feed and a feed drying device.The animal feed is prepared from, by mass, 25%-35% of fruit and vegetable residues, 20%-30% of grain residues, 10%-15% of soybean meal, 0.16%-0.43% of functional additives, 0.05%-0.1% of digestion promoters and 8%-13% of carriers. The fruit and vegetable residues and the grain residues are dried and smashed and then mixed with the soybean meal, the probiotics, the vitamin compound, the digestion accelerant and the carrier are added, and stirring continues to form a mixture; the mixture is introduced into a granulator to form feed particles, and segmented drying is carried out; according to the invention, the plant residues are taken as core raw materials and are combined with functional additives through scientific proportioning, so that the problems of resource waste, unbalanced nutrition, low digestibility and the like of the traditional feed are solved, and resource recycling and culture benefit improvement are realized.

The invention provides a preparation method of dried serofluid and dried pickled Chinese cabbage, and relates to the field of serofluid preparation, and the dried serofluid and dried pickled Chinese cabbage are characterized by comprising the following raw materials by weight: 45g of flour, 350g of water, 100g of household serofluid (soup part), 5g of soybean meal, medicinal vitamin B1 complex tablets, 0.2 g of potassium dihydrogen phosphate, and vegetables (not limited to gram). The method has the advantages that functional components of the serofluid pickled Chinese cabbages are reserved, traditional liquid serofluid and pickled Chinese cabbages are made into dry powder and dried vegetables, the size, the weight and the manufacturing cost are greatly reduced, the serofluid pickled Chinese cabbages are convenient to carry, store and transport, and the method is suitable for popularization and application. Time and labor are saved during home making, and putrefaction caused by improper care is avoided, serofluid and pickled Chinese cabbages are prepared through fermentation by referring to a traditional serofluid pickled Chinese cabbage preparation method, then the serofluid and the pickled Chinese cabbages are dried into serofluid dry powder (or granules) and dried pickled Chinese cabbages through a proper drying method, and the serofluid dry powder (or granules) and the dried pickled Chinese cabbages are packaged into final products of the invention.

This invention discloses a bio-organic fertilizer suitable for improving alkaline soil, its preparation method, and its application in citrus orchards, belonging to the field of agricultural soil improvement technology. The organic fertilizer is made from 40.00%-50.00% citrus peel residue, 20.00%-30.00% a mixture of sawdust and straw powder, 15.00%-20.00% a mixture of rapeseed meal and soybean meal, 20.00%-30.00% a mixture of livestock and poultry manure, and 0.25%-0.50% ferrous sulfate. Its preparation includes raw material pretreatment, citrus biogas slurry preparation, mixed fermentation, and finished product preparation. During soil improvement, the dosage is determined according to the soil pH value, and it is applied twice using trenching or hole application methods. This invention realizes the resource utilization of agricultural waste, can efficiently improve alkaline soil, solve the problem of iron deficiency and chlorosis in citrus, and is environmentally friendly and easy to operate, suitable for soil improvement in various types of citrus orchards, especially mountainous citrus orchards.

The application discloses a preparation method of bio-modified wheat bran containing xylo-oligosaccharide, and comprises the following steps: fermenting wheat bran by using mixed strains and composite enzymes; wherein the mixed strains comprise lactic acid bacteria, Saccharomyces cerevisiae and Bacillus licheniformis; and the composite enzymes comprise cellulase and xylanase. The preparation method provided by the application effectively reduces the contents of crude fiber and neutral detergent fiber in the wheat bran, increases the contents of crude protein and xylo-oligosaccharide in the fermented wheat bran, which are beneficial to the growth and development of animals, and improves the nutritional value of the wheat bran, so that the proportion of the wheat bran in feed application can be increased, and the addition amount of corn and soybean meal can be reduced.

The invention belongs to the technical field of biological medicines, and particularly relates to a composition for improving a cognitive function as well as a preparation method, a product and application of the composition. The composition is prepared by taking soybean meal, whey protein peptide powder and bovine bone collagen peptide powder in a mass ratio of 1: 3: 2 as peptide source raw materials, matching the peptide source raw materials with AMY001, lactobacillus plantarum LP-90 and clostridium butyricum (3: 1: 1) compound strains, and carrying out enzyme production self-hydrolysis by bacillus amyloliquefaciens, peptide-bacterium anaerobic synergistic fermentation and sodium alginate-HPMC-CPP composite carrier embedding. According to the present invention, the hippocampus Abeta1-42 protein can be cleared, the BDNF content can be increased, the IL-6 expression inhibition multi-mechanism synergistic effect can be achieved, the memory improvement rate and the Abeta1-42 clearance rate are high, and the cognitive impairment can be significantly repaired. The composition is high in stability and bioavailability, controllable in preparation process and suitable for development of food and health care products for improving the cognitive function and medicines for preventing or assisting in improving diseases related to cognitive impairment.

The invention belongs to the technical field of soil conditioners and fertilizers, and particularly relates to a bio-organic fertilizer for improving salt and alkali as well as a preparation method and application of the bio-organic fertilizer. The method comprises the following preparation steps: (1) carrying out pyrolysis treatment on dry agricultural and forestry wastes or livestock and poultry manure under anaerobic and 400-700 DEG C conditions, and crushing to obtain a biochar material; and (2) mixing and grinding the obtained biochar material, soybean meal and water, and then inoculating a bacillus subtilis activation solution and an actinomycetes activation solution for fermentation treatment to obtain the saline-alkaline improved bio-organic fertilizer. According to the bio-organic fertilizer, the biochar prepared from agricultural and forestry waste or animal dung is used as a main raw material, EPS generated through in-situ loading microbial fermentation metabolism can synergistically improve the improvement effect of the obtained organic fertilizer on saline-alkali soil and the passivation effect on heavy metal, absorption of crops on the heavy metal is remarkably reduced, and the fertilizer efficiency is improved.

The invention discloses a compound microorganism fermented attenuated aroma-enhanced potato residue feed and a preparation method thereof, and belongs to the field of feed processing. The feed comprises potato residues, crop straw particles, corn flour, bran, soybean meal, urea, ammonium sulfate and a compound microbial agent, wherein the compound microbial agent comprises bacillus velezensis and lactobacillus plantarum. The preparation method comprises raw material pretreatment; preparing a microbial agent; performing mixed fermentation; and post-processing. The bacillus velezensis secretes glycosidase, and glucosidic bonds of the glycoalkaloid are subjected to enzymolysis; lactobacillus plantarum is metabolized to generate lactic acid to create an acidic environment to promote chemical degradation of glycoalkaloid, and the double bacteria cooperate to inhibit growth of mould, so that efficient attenuation is realized. The bacillus velezensis metabolizes to generate glucose, ethanol and free amino acid, and the lactobacillus plantarum metabolizes to generate ester flavor substances, so that the feed is endowed with strong fermentation aroma. Meanwhile, the pungent smell of volatile aldehyde substances is eliminated through double-bacterium synergism.

The utility model belongs to the field of screening equipment, and particularly relates to soybean meal screening equipment with an impurity separation function, which comprises a screening box, a filter screen is hinged inside the screening box, a rubber sheet is fixedly connected inside the screening box, the rubber sheet is fixedly connected with the filter screen, a vibrating mechanism is arranged on the screening box, and the vibrating mechanism is arranged on the screening box. The surface of the screening box is fixedly connected with a material guiding groove, the surface of the screening box is fixedly connected with a supporting plate, and the supporting plate is provided with a material distributing mechanism. According to the soybean meal impurity screening device, the guide seat is driven by the motor to rotate, so that the top block moves to drive the filter screen to deflect, the filter screen vibrates, soybean meal impurities on the filter screen are screened more efficiently, blockage is not prone to occurring, and meanwhile the screened impurities can be collected and treated conveniently.

This invention discloses a method for preparing livestock feed based on the recycling of kitchen waste, relating to the fields of waste resource utilization and feed processing technology. The method includes: transferring raw materials using a closed device; removing inorganic impurities and metals through negative pressure unloading, multi-stage vibration sorting, and magnetic iron removal; adjusting the particle size of the material using a heavy-duty high-speed pulverizer to increase the specific surface area; using high-pressure steam for constant-temperature sterilization to achieve complete harmlessness; inoculating fermentation bacteria after the material has been gradually cooled to a preset range, and carrying out biological fermentation in a controlled environment to produce metabolites; finally, adding corn flour, soybean meal, and wheat bran in proportion for deep mixing. This invention, through the above scheme, achieves complete inactivation of pathogenic bacteria and precise removal of foreign matter, significantly improving the biosafety and digestibility of the recycled feed, realizing a high-value closed-loop recycling of waste, and exhibiting significant environmental and economic benefits.