2524results about "Working-up animal fodder" patented technology

A surround hot air slow drying device and a three-stage baking method for pet food processing are provided. The surround hot air slow drying device for pet food processing includes a drying box. A hot air drying unit is provided at an inner bottom of the drying box, a circulating conveying unit is provided inside the drying box, a plurality of drying frames are evenly distributed on the circulating conveying unit, a material turning mechanism is provided inside the drying frames, and a positioning component is provided inside the drying box. The material turning mechanism cooperates with the positioning component to turn the raw materials in the drying frames.

The invention belongs to the technical field of biological fermentation, and discloses a method for efficiently preparing an earthworm functional liquid by utilizing earthworm intestinal endogenous probiotics and enzyme and the earthworm functional liquid, and the method for efficiently preparing the earthworm functional liquid by utilizing the earthworm intestinal endogenous probiotics and the enzyme. Comprising the following steps: step 1, respectively carrying out activation and expanding culture treatment on bacillus velezensis XY1, P.megatherium and Lactococcus lactis to obtain a bacillus velezensis XY1 bacterial solution, a P.megatherium bacterial solution and a Lactococcus lactis bacterial solution; and step 2, inoculating the bacillus velezensis XY1 bacterial liquid, the P.megatherium bacterial liquid, the lactococcus lactis bacterial liquid and the compound enzyme into the earthworm slurry, and fermenting to obtain the earthworm functional liquid. The earthworm functional liquid is obtained through synergistic fermentation of bacillus velezensis XY1, P.megatherium, lactococcus lactis and compound enzyme, the content of total amino acid and small peptide is remarkably increased, and the effect of the earthworm functional liquid can be further improved.

The present invention relates to a method of preparing a moist pet food composition containing faba bean proteins. The invention further relates to a moist pet food composition obtainable by the method, and to the use of faba bean proteins in a moist pet food composition.

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 a milk-flavor jelly-shaped intelligent response type suckling pig creep compound feed and a preparation method, relates to the technical field of animal feeds, and aims to solve the problems that a traditional feed is poor in palatability, nutrition release and physiological needs are mismatched, thermosensitive components are damaged by a high-temperature process and the like. And accurate release of nutrients is realized. The feed comprises an energy raw material, a protein raw material, intelligent response components (pH-sensitive sodium alginate microsphere loaded sodium butyrate / glutamine, temperature-sensitive xanthan gum-locust bean gum compound gel coated antibacterial peptide, and enzyme-sensitive lysine-lysine peptide bond cross-linked layer embedded glucose compound enzyme), a flavor system (vanillin microcapsules) and a konjac gum jelly matrix. A pH-temperature-enzyme triple response mechanism is adopted to adapt to the gastric acid gradient, body temperature fluctuation and pancreatin activity of suckling pigs; milk flavor slow release and nutrition release are in space-time synergy, and the ingestion frequency is increased by 40%; the konjac glucomannan matrix reduces dust, and the gel strength is greater than or equal to 750g / cm.

The invention discloses an unconventional feed quality assessment method and system, and relates to the technical field of unconventional feed quality assessment, and the method comprises the following steps: in a feed high-temperature drying treatment process, establishing a multi-dimensional sensing monitoring baseline, continuously obtaining mercury vapor concentration gradient, moisture evaporation rate and airflow velocity field data in a feed drying environment, and calculating the quality of the feed; forming a time sequence feature set reflecting the dynamic change of mercury vaporization; and constructing a gas-solid interaction analytical model by using the time sequence feature set, and carrying out coupling analysis on the mercury vapor migration trajectory and the temperature distribution and humidity distribution of the feed particle surface to generate a spatial distribution data set representing the spatial distribution feature of the mercury vapor redeposition region. According to the invention, the whole-process monitoring and dynamic regulation and control of mercury vaporization, migration and redeposition in the feed drying process are realized, through multi-dimensional monitoring, amplitude limiting control and high-frequency disturbance, the mercury distribution is balanced, the risk is reduced, the drying safety and the feed quality stability are improved, and the controllable management of heavy metal pollution is effectively realized.

The invention discloses a bacillus coagulans feed additive and a preparation method thereof, and relates to the technical field of feed additives, the bacillus coagulans feed additive comprises bacillus coagulans spores, the content of the spores is 1.0 * 10 < 8 >-1.0 * 10 < 11 > CFU / g; the protective agent system comprises the following components: maltodextrin or lactose, vegetable protein, polyhydric alcohol and an antioxidant; the invention discloses a microcapsule coating structure. A microcapsule is a two-layer composite coating of an inner layer alginate matrix and an outer layer polycation or polymer coating. According to the invention, bacillus coagulans spores which can still keep high survival rate under short-time high-temperature and low-pH conditions are obtained through screening and fermentation strategies of strains with high sporulation and heat and acid tolerance, the problem that common strains are easy to inactivate in granulation, extrusion and gastric acid environments is solved, the problem of product failure caused by insufficient tolerance of the strains is reduced, and the product quality is improved. And the original biological activity basis is improved, so that the protection effect of the subsequent formula and the coating can be played at a higher starting point, and the zoology effect of the final preparation is improved.

The invention belongs to the field of feeds, and discloses a biological feed containing a microbial microcapsule preparation and a preparation method of the biological feed. The biological feed is prepared from the following components in parts by weight: 90 to 93 parts of wall-broken rhodopseudomonas palustris powder, 2 to 3 parts of lysine hydrochloride, 0.1 to 0.5 part of methionine, 0.1 to 0.5 part of threonine, 0.3 to 1 part of arginine, 2 to 3 parts of calcium hydrophosphate, 1 to 2 parts of calcium carbonate, 0.5 to 1.2 parts of an antioxidant additive, 0.3 to 0.8 part of modified nano montmorillonite and 1 to 5 parts of a microbial microcapsule preparation. According to the biological feed, the wall-broken rhodopseudomonas palustris serves as basic nutrition and a main microorganism source of the feed and is matched with the compound probiotics of the microorganism micro-capsule preparation, the intestinal nutrition utilization rate is effectively increased, meanwhile, the antioxidant additive is added, and the problems that a single additive is narrow in function and prone to oxidation are solved; the modified nano montmorillonite is added to solve the problem of antagonism of toxin adsorption and mineral absorption.

The invention discloses clostridium butyricum as well as a culture method and application thereof, belongs to the field of feed additives, and aims to solve the problems that a controllable fattening period is shortened and the efficacy of the clostridium butyricum cannot be completely exerted due to the fact that a wide range of clostridium butyricum needs a relatively long adaptation period for an endogenous intestinal environment of an animal. The clostridium butyricum from the North Naa Biotechnology Co., Ltd. Is cultured by simulating an animal endogenous environment in vitro, and after the clostridium butyricum which completely adapts to animal endogenous is obtained, the screened animal endogenous clostridium butyricum is coated by adopting a coating technology, so that the clostridium butyricum is not damaged by a strong acid environment in an animal stomach bag; the clostridium butyricum strain has the advantages that the clostridium butyricum strain can be used for preparing animal endogenous clostridium butyricum, a large quantity of animal endogenous clostridium butyricum can reach intestinal tracts and be released, and the animal endogenous clostridium butyricum can quickly adapt to animal intestinal environment due to higher adaptability of the strains, and can quickly form efficient colonization and functional expression under the condition of almost no adaptation period. The feed additive can be used as a biological feed additive.

The present invention relates to a cell biomass (e.g. food product or pet food product) or its components prepared from cultivated metazoan cells, method of its preparation and a system for its preparation.

The invention belongs to the technical field of feed additives, and particularly relates to slow-release fat powder for pigs and a preparation method of the slow-release fat powder. The slow-release fat powder for pigs comprises an intragastric adhesion-slow release layer, a small intestine forepart bile acid response controlled release layer and a small intestine posterior microbe response controlled release layer. The prepared slow-release fat powder for the pigs is good in stability, accurate release of different nutritional ingredients in different parts of gastrointestinal tracts of the pigs can be achieved, and powerful support is provided for sustainable development of the pig raising industry.

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.

The invention discloses a feed additive for improving animal immunity and a preparation method, and belongs to the technical field of animal feed. The nutrient components comprise the following raw materials in parts by weight: 10-20 parts of amino acids, 0.5-3.0 parts of vitamins and 15-22 parts of minerals; the traditional Chinese medicine components comprise 20-30 parts of radix astragali, 15-25 parts of radix codonopsis, 5-20 parts of rhizoma atractylodis macrocephalae, 10-20 parts of poria cocos, 10-15 parts of radix isatidis, 5-15 parts of honeysuckle flowers, 6-12 parts of echinacea purpurea, 3-12 parts of radix acanthopanacis senticosi and 3-8 parts of fiveleaf gynostemma herb; functional additives: 3-5 parts of probiotics, 2-4 parts of an enzyme preparation and 1-3 parts of an antioxidant. According to the invention, a multi-dimensional synergistic effect is achieved, and a traditional Chinese medicine immune enhancement-antiviral core formula system is formed; through cooperation with nutrients and functional additives, a composite protection system of immunity enhancement, nutrition optimization, intestinal health and stress resistance is constructed. The immunity and the disease resistance of animals are obviously improved.

The invention provides a water-blocking microcapsule, a fish oil composite hair beautifying ointment and a preparation method, and relates to the technical field of animal health products. The water-blocking microcapsule is a solid particle formed by a core material and a wall material coating the core material; the core material is fish oil emulsion subjected to bile salt emulsification treatment; the wall material sequentially comprises an inner-layer wall material and an outer-layer wall material from inside to outside; the inner-layer wall material is a wall material formed by solidifying alginate; and the outer-layer wall material is a water-blocking wall material which is arranged outside the inner-layer wall material and is made of nanocrystalline cellulose. The water-blocking microcapsule provided by the invention realizes multiple beneficial effects of efficient digestion and absorption of fish oil, improvement of palatability, enhancement of oxidation resistance and stability, fixed-point release of intestinal tracts and the like, provides an innovative technical scheme for development of animal health products, and has wide application prospects and market values.

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 relates to the field of animal feed science and processing, and discloses an efficient fattening type compound feed for meat gamegalors and a preparation method thereof.The preparation method includes the steps that firstly, specific compound plant raw materials and screened compound dominant flora are adopted for multi-step solid-state symbiotic fermentation, and a fermentation base material rich in probiotics, small molecule peptides and low anti-nutritional factors is prepared; secondly, core functional components including high-activity probiotics, plant extracts, functional lipids, antioxidants and the like are subjected to targeted sustained-release microcapsule coating through a multi-layer composite material; and finally, mixing the fermentation base material with targeted slow-release microcapsules and other conventional feed components, and preparing the compound feed by adopting a low-temperature granulation process. The nutritional value and the utilization rate of the feed can be remarkably improved, and functional components are effectively protected and delivered in a targeted manner, so that the growth and development of the meat gamecocks are promoted, the immune function and the oxidation resistance of the meat gamecocks are enhanced, the meat quality is improved, and the overall health level is improved.

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 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.

Manufacturing methods for repurposing organic green waste into bio-friendly byproducts using particular manufacturing configurations of multiple grinders, trommels, baffles, screens, and mixers for recycling various waste material components into desirable byproducts. Byproducts of organic waste material can be obtained through methods of their processing, recycling, and / or disposal. A method of obtaining a bio-friendly byproduct can include introducing a first waste material, which includes palm frond particles into a first grinder configured to expel particles having a length and / or diameter no greater than three inches (about 76 mm). The first waste material has a moisture content below 20% by weight. The first grinder can be configured to grind the first waste material into first particles having a length less than three inches (about 76 mm). A second grinder can be used to grind the first particles into second particles having a length less than 1 inch (about 25 mm). A third grinder can be used to grind the second waste material into grinds and / or crumbles having a length and / or diameter less than one inch (about 25 mm). The processing methods and procedures are advantageous to recycle waste material components into desirable byproducts.

The invention relates to the technical field of feed additives, and discloses a ruminant animal fattening and growth-promoting feed additive which comprises the following components in percentage by mass: 22-28 parts of phytosterol, 42-48 parts of a rumen protection type amino acid compound, 11-14 parts of a compound probiotic preparation, 6-7.5 parts of a compound enzyme preparation, 9-11 parts of a trace element compound and 4-4.8 parts of a buffer system. According to the preparation method of the fattening and growth-promoting feed additive for ruminant animals, a modified hydrogenated palm oil and lecithin compound is used as a rumen protection type amino acid coating material, and a high-pressure homogenizer is used for performing multi-stage homogenizing treatment, so that a coating layer is more compact in structure, and the weight of the coating layer is increased; the rumen microorganism lipase decomposition resistance is enhanced through the synergistic effect of the composite material, particle distribution is optimized in combination with a refined homogenizing process, the release controllability and absorption efficiency of amino acid in small intestines are improved, and the problems that a traditional single coating material is easy to decompose and the particle size is extensively controlled are solved.

The invention provides an enzyme treatment comprehensive device for chicken feed, and relates to the technical field of chicken feed treatment.The enzyme treatment comprehensive device comprises a screening device, and a main body of the screening device is an arched bin; the screening device comprises a conveying channel, two sets of screening device plates are rotationally arranged outside the conveying channel through bearings, each screening device plate is of a T-shaped structure, and the screening device plates are rotationally arranged in the inner walls of the two sides of the screening device. Connecting plates are fixedly arranged on the sides between the two groups of sifter plates; a feeding hopper with an upward opening is fixedly arranged on the front side of the conveying channel; the screening function is efficient and clean, feed can be fully stirred and screened through cooperation of the two sets of rotating screening device plates and the surrounding screening net, powdery particles in the feed can be accurately separated, meanwhile, the air outlet nozzles driven by the air pump eject air flow, the falling and falling speed of the powdery particles can be increased, and the screening effect is good. And powder can be prevented from drifting away along with airflow through an intercepting net at the top of the screening equipment, and the screened powder is stably guided out through a spiral output rod after being gathered through a V-shaped plate.

The invention relates to the technical field of feed processing, and discloses a lactating sow feed containing fermentation raw materials and a preparation method of the lactating sow feed. A three-layer microcapsule coating auxiliary material is prepared by taking a vitamin premix, an amino acid compound, a compound enzyme preparation and a probiotic agent as core materials through three-layer coating; the basic raw materials comprise corn, wheat, bran, a fermentation raw material, a mineral premix and grease, auxiliary material coating and basic raw material treatment are carried out in parallel in double lines during preparation, and finally, mixing granulation is carried out; the grafted copolymer formed by the amidation reaction of the sodium carboxymethyl cellulose and the chitosan oligosaccharide can cooperate with the sodium alginate to prevent the damage under acidic conditions, and the survival rate of viable bacteria is kept at 85-87% after treatment is carried out for 2 hours under the acidic condition with the pH value of 2.0-3.0; compared with a traditional fermentation raw material coating scheme, the dosage of coating raw materials is reduced by 70% or above; meanwhile, the vitamin premix and the amino acid compound in the auxiliary material can reduce the diarrhea rate by 6% and increase the lactation yield of the sow by 7-18%.

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 relates to a mixed traditional Chinese medicine feed additive for resisting bee mites and a preparation method thereof, and belongs to the technical field of healthy breeding of bees and pest control. The feed additive comprises a radix stemonae extract obtained by compound extraction of radix stemonae, radix sophorae flavescentis and areca catechu, and a syrup matrix composed of ammonium glycyrrhizinate, vitamin C, pachymaran, honey and apple vinegar, when necessary, synergetic components such as forsythiaside, menthol and carboxymethyl chitosan are further added, and microcapsule embedding treatment is performed to enhance the slow release performance. The formula is natural, safe and good in palatability, can effectively prevent and control invasion of Varroa destructor of bee colonies and improve the survival rate of the bee colonies, has a good slow-release effect and oral administration adaptability, and is suitable for long-term stable use in bee farms.

The invention discloses a probiotic animal feed and a preparation method thereof, and belongs to the technical field of animal feeds, the probiotic animal feed comprises the following components by mass: 40-55 parts of caragana microphylla powder, 20-30 parts of fermented soybean meal, 3-5 parts of a composite probiotic preparation, 5-10 parts of a medicinal and edible additive, and 2-3 parts of a mineral premix. According to the composite probiotic preparation, bacillus licheniformis, pediococcus pentosaceus and saccharomyces cerevisiae boulardii synergistically improve the fiber decomposition efficiency, inhibit pathogenic bacteria and reduce ammonia nitrogen emission. The medicinal and edible additive is of a multi-layer micro-capsule structure, the outer layer is carboxymethyl chitosan and copper gluconate modified nano zeolite, active substances in the middle layer are rapidly released through rumen pH response, and the middle layer contains a yucca extract, a liquorice extract and other components and can inhibit urease activity and ammonia-producing bacteria; in the inner layer, a nano-selenium-vitamin E compound, curcumin and the like are slowly released through sodium alginate-pectin gel, so that intestinal metabolism is optimized. The process of pretreating caragana microphylla through steam explosion and performing solid-state fermentation on soybean meal through aspergillus oryzae is utilized, so that grain-free production is realized.

The invention belongs to the field of animal feed additives, and particularly relates to a microcapsule preparation containing origanum vulgare essential oil as well as a preparation method and application of the microcapsule preparation. The preparation method of the microcapsule preparation containing origanum vulgare essential oil comprises the following steps: S1, dissolving modified beta-cyclodextrin and modified starch in water to obtain a wall material solution; s2, uniformly mixing oregano essential oil to prepare a core material solution, and dissolving an emulsifier in the core material solution to form an oil phase; s3, mixing the wall material solution with an oil phase, and homogenizing to obtain a solution A; and S4, adding a stabilizer into the solution A, uniformly mixing, and spray-drying to obtain the microcapsule preparation containing the origanum vulgare essential oil. The oregano essential oil entrapped microcapsule preparation is prepared by adopting the modified beta-cyclodextrin as a wall material and the modified montmorillonite as a stabilizer, so that the stability and the entrapment efficiency of the oregano essential oil are remarkably improved, the intestinal targeted release of the oregano essential oil is also realized, and the growth and development of animals are promoted.

The invention relates to the technical field of aquaculture, in particular to a leiocassis longirostris intestinal health functional additive based on spermaceti soxhlet metabolite. The Leiocassis longirostris intestinal health functional additive comprises the following functional components: chondroitin sulfate, N-acetyl-D-galactosamine, 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4', 4 ', 4'- The composition is prepared from the following raw materials: 4, 6-dihydroxyflavone, polydatin, ascorbic acid, glucoside, arabinogalactan, 3-O-beta-D-galactopyranosyl-L-arabinose, tyramine, 4A-hydroxytetrahydrobiopterin, hyaluronic acid and 3-mercapto-2-butanol. According to the technical scheme, the technical problem that an existing probiotic viable bacterium preparation is difficult to meet the intestinal health management requirement in intensive culture of the leiocassis longirostris can be solved. Compared with the prior art, the scheme is more efficient, stable and safe, healthy development of the Leiocassis longirostris breeding industry can be effectively promoted, and the method has ideal application and popularization prospects.

The invention relates to the technical field of feed additives, in particular to a feed additive capable of supplementing nutrition and a preparation method, and the feed additive comprises the following components in parts by weight: 20-40 parts of an amino acid mixture, 10-25 parts of a vitamin compound, 15-30 parts of a mineral mixture, 5-15 parts of a plant extract and 30-50 parts of a carrier substance, the preparation method has the beneficial effects that the sodium alginate / chitosan / methacrylic acid copolymer is used as a wall material to carry out microencapsulation on amino acids and vitamins, and the encapsulation efficiency is gt; 95%. Oxygen, moisture and illumination are effectively isolated, so that the retention rate gt of the vitamins stored for 6 months under the room temperature condition is gt; 90%.

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.