735results about "Animal fodder preservation" patented technology

The invention relates to the technical field of animal feed preparation, in particular to a functional feed additive for ruminants and a preparation method of the functional feed additive for the ruminants, and the functional feed additive for the ruminants is characterized by consisting of the following components in percentage by mass: probiotics which are saccharomycetes, bacillus subtilis and enterococcus faecalis; an enzyme preparation, xylanase and protease; prebiotics are added; a microcapsule coating material; a binder; the balance is a carrier; the probiotics and the enzyme preparation are wrapped in the chitosan / sodium alginate composite film through a microcapsule coating technology, adverse factors such as temperature, humidity and illumination in the production, transportation and storage process can be effectively isolated, meanwhile, in the rumen low-pH, strong-protease and complex-microorganism environment, the coating layer can slowly release and protect active ingredients, and the effect of preventing and treating the probiotics and the enzyme preparation is achieved. Effective content and activity during final feeding are ensured, consistent growth promotion can be kept in different varieties, weights and feeding stages, and production benefits and feeding stability are improved.

The invention relates to the technical field of microorganisms, in particular to application of streptococcus non-lactolyticus GX-7 and a complex microbial inoculant thereof in sugarcane leaf silage, the strain GX-7 is separated from healthy pig manure by a research group, and through detection, the strain has good cholate resistance and is suitable for surviving in intestinal tracts, and the strain GX-7 has good cholate resistance and is suitable for being used as a feed additive. The antibacterial effect on pseudomonas fluorescens, listeria monocytogenes, salmonella choleraesuis and shigella flexneri is achieved; the strain has a good fermentation capability on sugarcane leaves, and the sugarcane leaves are inoculated with a complex microbial inoculant prepared from streptococcus non-lactolyticus GX-7 and streptococcus non-lactolyticus GX-2, so that a synergistic fermentation effect can be achieved; after the silage prepared from the complex microbial inoculant is fed to female buffalo in the gestation period, it is found that the silage can effectively increase the content of milk protein, milk total solids and milk non-fat solids in colostrum of the female buffalo and relieve diarrhea of the female buffalo, and the silage is safe and good.

The invention relates to the technical field of pig feed, and discloses a low soybean meal type pig feed formula based on enzymolysis protein and a preparation method of the low soybean meal type pig feed formula based on enzymolysis protein, dephenolized cottonseed meal, corn alcohol lees and the like are used as main raw materials, and the core of the low soybean meal type pig feed formula is that gradient enzymolysis and directional fermentation are dynamically coupled. The probiotics are subjected to specific induction domestication, so that the probiotics can efficiently adapt to a reaction system; in the coupling process, compound cellulase, protease and the like are added step by step according to a time sequence, the pH value of the system is intelligently adjusted by utilizing acid generated by fermentation, and optimal conditions are created for subsequent directional enzymolysis, so that the functional peptide with specific molecular weight is enriched. And finally, a low-temperature keep-alive drying technology is adopted, so that the biological activity of probiotics and functional peptides in the product is completely reserved. According to the method, raw material harmlessness, protein directional conversion and active substance protection are integrated, and high-value utilization of low-value agricultural and sideline products is achieved.

The invention discloses a compound feed for raising plateau live pigs and a preparation method thereof, and relates to the technical field of feed processing. The compound feed for raising the plateau live pigs is prepared from manganese-selenium compound modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles, aspergillus oryzae, soybean meal powder, corn flour, wheat bran, mountain flour, calcium hydrophosphate, table salt and multivitamins. Manganese-selenium composite modified charcoal, soybean polysaccharide polylysine-based supported nanoparticles and aspergillus oryzae are subjected to co-fermentation culture to form a uniform, stable, loose and porous three-dimensional network fermentation substrate composite system, so that the damage of gastric acid to components is reduced, the targeted release of intestinal tracts is realized, and the bioavailability is improved. The composite functional additive which is high in nutrition, easy to absorb, anti-oxidation, anti-anemia, anti-ultraviolet radiation and the like is obtained, and the adverse effects of low temperature, oxygen deficit and ultraviolet factors on animal growth and feed oxidative rancidity are effectively reduced.

The invention belongs to the technical field of preparation of probiotic products, and relates to a lactic acid bacteria microcapsule as well as a preparation method and application thereof. The method comprises the following steps: uniformly mixing sodium alginate, modified montmorillonite and sterile water, cooling, adding a prepared lactic acid bacteria seed solution, and fully and uniformly mixing to form an emulsion; spraying the emulsion into a calcium chloride solution by adopting an extrusion method, stirring and curing to obtain microcapsules; and culturing the prepared microcapsule in a lactic acid bacteria liquid culture medium to obtain the lactic acid bacteria microcapsule after the culture is finished. The lactobacillus is effectively protected by adopting an extrusion-method single coating and post-coating culture process, so that the stability of the lactobacillus to a humid and hot environment and the gastrointestinal stress resistance are improved, and meanwhile, the release performance of the lactobacillus in the gastrointestinal tract is ensured. The problem that an existing microcapsule coating technology cannot achieve balance between improvement of the hygrothermal stability and gastrointestinal stress resistance of the probiotics and guarantee of good release performance of the probiotics in the gastrointestinal tract is solved.

The invention discloses an application of Lactobacillus plantarum in at least one of the following items: a1, an application in improving the silage quality of silage, a2, an application in improving the silage quality, a3, an application in improving the silage quality, a4, an application in improving the silage quality, and a5, an application in improving the silage quality. A2, application in preparation of silage; a3, application in preparation of a silage additive; the strain name of the lactobacillus plantarum is LA2, the lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum is CGMCC No. 33484. According to the invention, the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof is added into the silage for the first time, and tetracycline resistance genes in the silage can be remarkably reduced; after the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof disclosed by the invention is added, the generation and residue of tetracycline resistance genes in feed can be reduced, the propagation of the tetracycline resistance genes in a food chain is reduced, the safety of forage grass is ensured, and the damage to animals, environment and human bodies is reduced; and the drug resistance of human pathogenic bacteria is reduced while the health level of animals is improved.

The present invention discloses a semi-artificial diet for Tuta absoluta larvae, a preparation method thereof and an application thereof. In the present invention, 1000 mL of water is boiled, and after it is stable, 0.5 - 1 g of sorbic acid, 0.5 - 1 g of sodium p-hydroxybenzoate and 0.1 - 0.2 g of thiabendazole are added, and quickly stirred and melted. Subsequently, compound vitamins are added, and after stirring evenly, 500 - 550 g of malt embryos are added and stirred into a dough. When the temperature drops below 30 °C, 150 - 200 g of tomato leaf powder is added and stirred and mixed evenly to obtain the semi-artificial diet for Tuta absoluta larvae. The components of the semi-artificial diet of the present invention can not only meet the nutritional requirements of test insects, but also have an optimal compound ratio of different components, and particularly give the best nutritional ratio. At this ratio, the survival rate, pupation rate and emergence rate from larvae to pupae are high, and the deformity rate of pupae is low.

Described herein, in certain embodiments, is a process for preparing a pet food, the process comprising: receiving a first ingredient from a protein source, a second ingredient from a vegetable source and a third ingredient from a dry and liquid source to add a fermentation component to the pet food; mixing the first ingredient, the second ingredient and the third ingredient; to create a mixture; fermenting the mixture to create a fermented mixture, wherein fermenting the mixture comprises combining the mixture with pediocins to abate growth of harmful bacteria; steaming the fermented mixture; pasteurizing the fermented mixture to create a pasteurized mixture; and processing the pasteurized mixture with a high pressure process to produce the pet food that has a shelf-stability at room temperature of greater than 40 days.

The invention relates to the technical field of microorganisms, in particular to application of streptococcus non-lactolyticus GX-2 and a complex microbial inoculant thereof in peanut vine silage, and the strain GX-2 is suitable for surviving in the stomach and has an antibacterial effect on staphylococcus aureus, escherichia coli, pseudomonas fluorescens and listeria monocytogenes; the streptococcus non-lactolyticus GX-7 and the streptococcus non-lactolyticus GX-2 are prepared into a complex microbial inoculant, and then the complex microbial inoculant is inoculated into the peanut vines, so that the synergistic fermentation effect can be achieved at the mass ratio of 1: (1-3); after the gestational buffalo is fed with the silage prepared from the complex microbial inoculant, the silage is found to be capable of effectively increasing the contents of total milk solids and non-fat milk solids in the colostrum of the buffalo and relieving the diarrhea of the buffalo, and is safe and good.

The invention discloses a preparation method of a mycotoxin degrading enzyme intelligent slow-release feed additive, and relates to the technical field of feed additive production, a double-emulsion embedding technology is adopted, enzyme is embedded in a multi-layer shell composed of chitosan, sodium alginate and an enteric polymer Eudragit S100, and then Ca < 2 + > ion cross-linking solidification is performed to obtain the mycotoxin degrading enzyme intelligent slow-release feed additive. And finally, freeze-drying or spray-drying to obtain the core-shell structure microcapsule. The obtained microcapsules are compounded with functional carriers such as yeast cell walls, sodium aluminosilicate, mannan oligosaccharide, talcum powder and the like to prepare finished products which can be directly added into various feeds. The release rate of the additive in simulated gastric juice with the pH value of 2.0 for 4 hours is lower than 15%, the release rate of the additive in simulated intestinal juice with the pH value of 6.8 for 6 hours exceeds 90%, the enzyme activity can be effectively protected, and targeted release of intestinal tracts is achieved; meanwhile, the compound carrier has a synergistic adsorption effect on various mycotoxins, and the degradation rates of aflatoxin B1, zearalenone and ochratoxin A in an in-vitro experiment respectively reach 87% or above.

To provide a pet food product and a spoon for a pet which enable a feeder to conveniently feed the pet by using a single hand while allowing the pet to take a posture appropriate for the pet.SOLUTION: A pet food product (1) comprises a container (2) and wet food (3). The container is provided with: a bottom part (21); a peripheral wall part (22) that extends upward from the outer peripheral edge of the bottom part (21), surrounds the periphery of the bottom part (21), and defines, together with the bottom part (21), a housing part (23) that opens upward; and a holding part (24) protruding outwardly from the peripheral wall part (22). The wet food is housed in the housing part (23).SELECTED DRAWING: Figure 1

The invention relates to polyethylene glycol glycerol ricinoleate granules as well as a preparation method and application thereof. The granules comprise first polyethylene glycol glycerol ricinoleate with an HLB (Hydrophile-Lipophile Balance) value of 17-19, second polyethylene glycol glycerol ricinoleate with an HLB value of 12-14, a carrier and vitamin E acetate. According to the invention, fatty acid and / or hydrogenated vegetable oil are / is taken as a nutritional carrier, and polyethylene glycol glycerol ricinoleate with an HLB value of 12-14 is introduced, so that the dispersity of active ingredients with a high HLB value (17-19) in the carrier is effectively improved, and granulation is facilitated; meanwhile, the vitamin E acetate is added, so that the immunity of animals can be enhanced while the effects of resisting oxidation and prolonging the shelf life of the product are achieved. The granules solve the problems that pure products are not easy to mix, inconvenient to use and the like.

The invention discloses a bran fermented biological feed and a preparation method thereof, and belongs to the technical field of feeds. The bran fermented biological feed is prepared by uniformly mixing and fermenting the following raw materials: wheat bran, corn flour, soybean meal, calcium hydrogen phosphate, sodium chloride, an enzyme preparation, a water retention setting agent, a mildew preventive and water, wherein the enzyme preparation is prepared from lactobacillus plantarum, bacillus subtilis and saccharomycetes; the mildew preventive is prepared by the following steps: reacting chitosan oligosaccharide with propiolic acid to obtain modified chitosan oligosaccharide, reacting L-cystine with ethyl azidoacetate to obtain an azide compound, and finally reacting the modified chitosan oligosaccharide with the azide compound. The prepared bran fermented biological feed has an excellent mildew-proof effect and a low pulverization rate, and storage and transportation of the feed are facilitated.

The invention belongs to the technical field of feeds, and particularly relates to a variable temperature animal feed as well as a preparation method and application thereof. The variable temperature animal feed comprises a core body and a shell layer arranged on the surface of the core body, the core body comprises sodium alginate, a protein base material, a phagostimulant A and a fermentation product synergist; the shell layer is prepared from the following raw materials: sodium alginate and calcium lactate; the shell layer comprises a phagostimulant B; the phagostimulant A comprises an insect-derived phagostimulant, an animal-derived phagostimulant and a plant-derived phagostimulant; the phagostimulant B comprises freeze-dried powder containing fructose and insect zymolyte. Through the synergistic effect of the insect-derived phagostimulant, the animal-derived phagostimulant and the plant-derived phagostimulant and the delicate flavor synergistic effect of the fermentation product synergist and the insect-derived phagostimulant in the phagostimulant A, and in combination with a preparation process of a low-temperature and irradiation sterilization technology, the variable-temperature animal feed has good phagostimulant and nutrient substance retention rate; and safety is realized.

The invention discloses a method for producing feed by using corn sugar residues, and belongs to the technical field of fermentation. The method comprises the following steps: pretreating, proportioning, adding an antibacterial agent, fermenting, drying and crushing, coating, cooling and the like, mixing corn sugar residues, corn germ meal and threonine mother liquor according to a specific ratio, adding zinc oxide and a chitosan antibacterial agent, and inoculating Saccharomyces cerevisiae ATCC 9763 for fermenting. And performing multi-stage drying and crushing on the fermentation product, spraying a coating emulsion prepared from a defatted soybean meal extract, curcumin, vitamin E, lecithin and sophorolipid, and performing air cooling to prepare the feed. According to the method, by-products are fully utilized, the crude protein content of the feed is 32-34.5%, the diameter of an inhibition zone is 18.1-20.2 mm, the moisture absorption rate is 2.7-3.4%, the palatability score is 8.0-8.6, and the fermentation yield is 92-94%. The innovation point lies in specific strain fermentation and functional coating, and is suitable for industrial production.

The invention relates to the field of aquatic feed, and provides a low-temperature adhesive type aquatic feed particle composition and a preparation method thereof. The composition is composed of puffed soybean meal, flour, fish meal, low-temperature directed enzyme, microcrystalline cellulose, modified zein nanoparticles, a protein adhesive and a modified zein ethanol water solution. The preparation method comprises the following specific steps: reacting soybean protein isolate with cross-linking enzyme to generate a protein adhesive, reacting proanthocyanidins with gallic acid to generate gallic acylated proanthocyanidins, and carrying out multi-step treatment on zein. Experimental results show that the composition has excellent water resistance and oxidation resistance, and the growth efficiency and the survival rate of aquatic animals are remarkably improved. The preparation method is simple, the cost is low, heat-sensitive substances in the feed are not damaged, and an economical, efficient and nutrient-rich feed solution is provided for aquaculture.

The invention belongs to the field of feed processing, and particularly relates to a sweet potato seedling and corn straw mixed silage preparation method which comprises the following steps: S1, raw material pretreatment: respectively chopping sweet potato seedlings and corn straws; s2, mixing: the chopped sweet potato seedlings and corn straws are weighed, an additive is added, the mixture is uniformly mixed, the additive is a mixed lactic acid bacteria additive, and the addition amount is 0.1 g / kg; s3, loading into a silage container, compacting and sealing; s4, storage: the fermentation temperature range is 15-28 DEG C, preferably 25 + / -1 DEG C. According to comprehensive evaluation, the sweet potato seedlings and the corn straw are mixed and ensiled according to the proportion of 1: 1, and the comprehensive value is the highest. The proportion can effectively balance dry substances and moisture of the two raw materials, and the silage which is excellent in smell, color and texture, complete in nutrition preservation and excellent in fermentation quality can be obtained after the mixed lactic acid bacteria additive is added for ensiling for 60 days.

The invention belongs to the technical field of aquaculture feed processing, and particularly relates to a processing technology of a sea cucumber intermediate culture feed. The sea cucumber intermediate breeding feed comprises fish meal, soybean protein isolate, seaweed meal, fermented soybean meal, multivitamins, a multivitamin premix and mineral salt. The processing technology comprises the following steps: firstly carrying out crushing pretreatment on the raw materials, then mixing the crushed raw materials, carrying out hardening and tempering, then carrying out twin-screw extrusion puffing to form carrier particles, carrying out low-temperature drying, then carrying out high-pressure atomization spraying technology to load the fish oil phospholipid complex, carrying out three-stage variable-temperature drying treatment, and finally carrying out cooling screening. The sea cucumber intermediate breeding feed processed by the method can be used for breeding in a transition stage from young sea cucumbers to young sea cucumbers, the survival rate of the young sea cucumbers in the breeding process is increased, and the sea cucumber intermediate breeding feed has the advantages of high nutrient retention rate and slow dissolution loss characteristic; in addition, the invention has the advantage of improving the order of micropores in the particles and the compactness of the surface layer so as to improve the physical stability of the sea cucumber intermediate culture feed.

The invention discloses a special feed for breeding bumblebee pollination swarms and a preparation method thereof, and belongs to the technical field of insect feed preparation, and the special feed for breeding the bumblebee pollination swarms comprises the following raw materials: white granulated sugar, glucose, potassium sorbate, epsilon-polylysine, vitamins, trace elements and water; the preparation method comprises the following steps: adding the white granulated sugar and the glucose into boiling water, uniformly stirring, cooling, adding the vitamins, the trace elements, the potassium sorbate and the epsilon-polylysine, uniformly stirring, and cooling to room temperature. The components such as the sugar source, the vitamins and the preservative are introduced to achieve a synergistic effect, so that the freshness of the sugar water is guaranteed, the intake of nutrient substances by the bee colony is improved, the survival rate of the bee colony is effectively increased, the development time of the early-stage bear bee colony is shortened, the growth speed of the early-stage pollination bee colony is accelerated, and the colony potential of the bee colony before pollination is increased.

The invention provides microcapsule seasoning powder containing active plant components for cats and a preparation method of the microcapsule seasoning powder, the microcapsule seasoning powder comprises a double-layer embedding system, and the microcapsule seasoning powder comprises the following raw material components in percentage by weight: 10-14 wt% of a composite core material, 32-36 wt% of a multifunctional food calling base material, 35-39 wt% of the double-layer embedding system and 14-16 wt% of functional auxiliary materials; the composite core material is prepared by compounding a mint extract, a green tea extract, a chicory extract, a mulberry leaf extract and a hawthorn extract according to the mass ratio of (1.8-4.5): (1.2-3): (0.8-1.5): (0.5-1.2): (1-2). The cat food has a dual-stage targeting effect of low release in the stomach and high release in the intestinal tract, has high palatability, has the effects of promoting the health of the intestinal tract, improving metabolism and resisting aging synergistically, is long-acting and stable, and can be suitable for various types of functional foods for cats.

The invention discloses a pet food with a synergistic anti-inflammatory function and a preparation method thereof, and the method comprises the following steps: preparing an anti-inflammatory nano-carrier, preparing an anti-inflammatory synergistic emulsion, emulsifying and dispersing active ingredients, tempering, extruding, puffing and drying, preparing probiotic particles, performing step-by-step vacuum spraying and the like. And a multi-level active component protection and delivery system is systematically constructed. Wherein the nanostructured lipid carrier and the microencapsulated ginger active extract are compounded according to a specific proportion, and a synergistic interaction system is formed through a fat source medium; and the probiotics are sprayed and added after being subjected to a multi-layer embedding and low-temperature granulation technology. The pet food prepared by the method comprises an anti-inflammatory synergistic composite unit and a probiotic particle unit, and experiments prove that the bioavailability of the core anti-inflammatory component reaches 52%, the in-vitro TNF-alpha inhibition rate reaches 65%, and the survival rate of probiotics exceeds 4.2 * 10 < 8 > CFU / g, so that the pet food is obviously superior to the traditional process, and the synergistic improvement of the anti-inflammatory effect, the component stability and the processing adaptability is realized.

The invention discloses lactobacillus plantarum capable of efficiently producing acid and application of the lactobacillus plantarum in corn silage, and relates to the technical field of microorganisms. The invention provides lactobacillus plantarum Mei1101.3, the preservation number of the lactobacillus plantarum Mei1101.3 is CGMCC No.30332, the lactobacillus plantarum Mei1101.3 has the characteristics of high acid production rate, low pH value and excellent growth performance, the lactobacillus plantarum can be used as a special strain for corn silage and is added into corn silage, the pH value of the corn silage is reduced to 3.02 30 days after silage, and the lactobacillus plantarum Mei1101.3 can be used as a special strain for corn silage. The sensory quality is close to the initial state of the raw materials, the energy consumption in the ensiling process is only 374.34 kcal. Kg <-1 >, the quantity of saccharomycetes is reduced, no mould or escherichia coli is detected, and the health and safety meet the national standard.

The invention relates to a pet food and a processing method thereof, and relates to the technical field of pet food processing, the pet food comprises the following components in parts by mass: meat meal, prebiotics, animal fat, a mineral additive, a vitamin additive, an edible binder, and a biogenic amine complexation-decarboxylase inhibitor; the processing method comprises the steps of raw material mixing and forming. According to the pet food and the processing method thereof, on the premise that basic nutrition needed by growth and development of pets is met, the effects of blocking generation of biogenic amine, complexing generated biogenic amine and reducing the content of volatile basic nitrogen are achieved, meanwhile, the palatability and storage stability of the pet food are improved, and the pet food is suitable for popularization and application. And the health risks of intestinal discomfort and the like caused by ingestion of biogenic amine by pets are reduced.

The invention provides a method for improving forage grass production performance and silage quality and application of the method, and belongs to the technical field of silage production. The method comprises the following steps that after silage corn is sown, lacroton beans are sown between two rows of corn immediately; first topdressing is carried out 18-22 days after sowing; carrying out secondary topdressing 60-68 days after sowing; harvesting is conducted on the 105th-110th day after sowing is conducted; and carrying out silage on the harvested silage corn and the harvested lacroton beans. Through mixed sowing of the corn and the lab beans, the dry matter yield and the crude protein content of the mixed forage grass are improved, supply of protein raw materials in concentrated feed is reduced, and the feed cost is reduced. The abundance of leuconostoc can be remarkably reduced during the ensiling period, and the silage obtained after ensiling is excellent in sensory evaluation. The content of nutritional ingredients in the silage is changed, protein and carbohydrate components are changed, and the nutritional value of the silage is improved.

The invention discloses an aquatic product breeding feed capable of improving flavor and a preparation method thereof, and particularly relates to the technical field of breeding feeds, the feed comprises fish meal, soybean meal, soybean protein concentrate, shrimp meal, chicken meal, wheat flour, cuttlefish paste, phospholipid, grease, mineral substances, vitamins, lettuce polyphenol, an antioxidant, a mildew preventive and the like. Wherein the lettuce polyphenol is a key functional component. The preparation method comprises the following steps: pretreating the raw materials, mixing step by step, adding grease by spraying, tempering, granulating, drying, screening, spraying the antioxidant and the like. The lettuce polyphenol regulates and controls an mTOR signal channel to promote flavor amino acid deposition and inhibit protein degradation, meanwhile, the intestinal microecology is improved, the antioxidant capacity and digestive enzyme activity are enhanced, and the content of flavor substances such as glutamic acid and glycine in aquatic products is remarkably increased. The method is suitable for culturing various aquatic products, and can effectively improve the flavor and quality of the cultured aquatic products.

The invention discloses a biological energy feed fermentation yeast based on enzyme-mineral synergistic activation and a preparation method thereof. According to the scheme, dual functions of mineral activation and microbial conversion are focused, clinoptilolite, sodium bentonite and kaolin are taken as mineral carriers, lignite humic acid is taken as a nutrient synergist, brown sugar, rice bran and bran organic matrixes are matched, and mineral lattice structures are broken through mechanical crushing and biological enzymolysis pretreatment, so that the mineral active substances are obtained. And through a double-stage fermentation process of'aerobic fermentation to activate flora and anaerobic aging to enrich metabolites' of microorganisms, mineral ions, humic acid active ingredients and probiotic metabolites are released to the maximum extent, and finally, the high-quality biological energy feed fermentation yeast with nutrition supply, digestion promotion and immune regulation functions is formed. According to the bioenergy feed prepared by conversion of the fermentation yeast, the feed crude protein improvement rate is greater than or equal to 20%, the crude fiber degradation rate is greater than or equal to 40%, the feed conversion rate is improved by 10-15%, the intestinal disease incidence rate is reduced by 60-70%, and the bioenergy feed is suitable for various livestock and poultry and aquaculture scenes.

The invention relates to the technical field of feed production, in particular to an azolla filliculoidas fresh leaf fermented feed which comprises the following components in parts by weight: 70 parts of azolla filliculoidas silage sections, 20 parts of a composite carrier matrix, 5 parts of a natural anti-caking and toxin adsorbent, 7 parts of functional liquid, 10 parts of an energy and flavor synergist and 2 parts of zymophyte. Functional liquid is converted into chitosan oligosaccharide through ultrasonic treatment, and long-chain chitosan is broken into high-solubility chitosan oligosaccharide; through cold plasma activation, an active functional group is grafted on the surface of a chitosan oligosaccharide molecule to form a nanoscale compact protective film; the protective film can inhibit pollution of aerobic mould and saccharomycetes after unsealing, prolong the shelf life of the feed, reduce loss of volatile fatty acids and flavor substances generated by fermentation, and maintain the nutritional value and palatability of the feed.

The invention provides freeze-dried pet food capable of improving intestinal functions of pets and a preparation method of the freeze-dried pet food. Firstly, lecithin and beta-sitosterol are used for constructing lipidosome embedded compound bacteria, and then lactoferrin is combined with embedded compound enzyme to form microspheres; chitosan oligosaccharide is used for connecting compound bacteria liposome and compound enzyme microspheres, the chitosan oligosaccharide is loaded in an alginate gel network to prepare a compound microcapsule, finally raw materials such as yoghourt, camel milk, milk mineral salt and galactooligosaccharide are mixed, and the freeze-dried pet food is prepared through vacuum freeze drying. The sodium alginate composite microcapsule prepared by the invention can greatly improve the stability of probiotics and enzymes, ensure the activity of the probiotics and the enzymes, and improve the palatability of pets to daily ration, increase the food consumption of the pets, promote the digestion and absorption of nutrient substances by the intestinal tracts of the pets and improve the immunity of the pets by virtue of targeted release of the intestinal tracts and synergistic effect of the prebiotics. The intestinal function of the pet is improved, and an efficient and safe solution is provided for the intestinal health of the pet.

The invention discloses a compound feed for weaned piglets and a preparation method thereof, relates to the technical field of feeds, and solves the problems of high stress, low food consumption, slow weight gain, intestinal damage, high diarrhea rate and low survival rate of weaned piglets. Each ton of compound feed for weaned piglets comprises the following raw materials: corn, broken rice, soybean meal, super steam fish meal, extruded soybeans, fermented soybean meal, peanut meal, flour, whey powder, glucose, white sugar, soybean oil, linseed oil, coconut oil, calcium formate, calcium hydrophosphate, amino acid, a vitamin additive, a trace element premix, composite dietary fibers, auxiliary materials and the like. The feed additive can improve the feed intake of piglets, protect the intestinal health of the piglets, enhance the immunity, relieve the weaning stress of the piglets, reduce the incidence rate of diarrhea and disease of the piglets and improve the weight gain rate of the piglets.

The present invention belongs to the field of microbial technology and relates to a strain of Bacillus subtilis subsp. and its application in degrading lignin. It is named Bacillus subtilis subsp. NBL-B12058, deposited in the China Center for Type Culture Collection on October 17, 2022, with the deposit number CCTCC NO: M20221574, and the deposit address is Wuhan University, Wuhan, China. The Bacillus subtilis subsp. provided by the present invention has a good degradation effect on lignin in crop straws and the black water of paper mills.