3365 results about "Feed additive" 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 discloses a genetically engineered algae capable of resisting aquatic pathogenic bacteria as well as a construction method and application thereof, and is characterized in that the genetically engineered algae is phaeodactylum tricornutum into which cell wall energizing plasmids pPha-T1-J48054-eGFP-Linker-Q4 or pPha-T1-J48054-eGFP-Linker-Q6 are introduced, and the preparation method of the genetically engineered algae comprises the following steps: taking genome DNA of the phaeodactylum tricornutum as a template; the method comprises the following steps: constructing a directional expression plasmid pPha-T1-J48054-eGFP by amplifying a Phatr3J48054 coding sequence, inserting Q4 and Q6 coding sequences into the downstream of the eGFP of a directional expression vector, constructing a cell wall energizing plasmid, electrically transforming the cell wall energizing plasmid into phaeodactylum tricornutum, coating an f / 2 plate culture medium with transformed phaeodactylum tricornutum cells for culturing, screening positive algae strains, and screening the positive algae strains. The feed additive has the advantage of inhibiting or killing aquatic pathogenic bacteria.

The invention discloses application of astaxanthin as a feed additive in improving the disease resistance of macrobrachium rosenbergii, and belongs to the field of feed additives. According to the method, astaxanthin is supplemented in the feed, the survival rate of the juvenile macrobrachium rosenbergii after being infected with DIV1 is increased, meanwhile, the abundance of pathogenic bacteria in intestinal tracts after the macrobrachium rosenbergii is infected with DIV1 is reduced, then the purpose of preventing disease outbreak of the macrobrachium rosenbergii caused by DIV1 can be achieved, and the method is a sustainable and effective method for preventing and treating the macrobrachium rosenbergii DIV1 disease.

The invention relates to the technical field of feed additives, and discloses a feed additive and application thereof in yak breeding. The feed additive comprises the following raw materials in parts by mass: 10-20 parts of mixed bean flour, 5-10 parts of a traditional Chinese medicine extract, 3-5 parts of lactic acid bacteria and 1-3 parts of an acid preparation. The feed additive provided by the invention significantly inhibits the expression of foot and mouth disease virus mRNA and inhibits the replication of foot and mouth disease virus; when the feed additive provided by the invention is added into daily feed for yaks, the foot-and-mouth disease of yaks can be effectively prevented and treated.

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 discloses a traditional Chinese medicine residue treatment method and application of a fermented traditional Chinese medicine residue preparation prepared through the traditional Chinese medicine residue treatment method in feed, and belongs to the technical field of waste resource recycling. The lactobacillus plantarum is used for fermenting the traditional Chinese medicine residues, and the prepared fermented traditional Chinese medicine residue preparation improves the content of phenolic substances and the activity of flavonoid substances; finally, the fermented traditional Chinese medicine residue preparation prepared by the treatment method of the traditional Chinese medicine residues is applied to preparation of feed, so that the growth performance of the Rongchang pigs can be improved, the diarrhea rate can be reduced, the immune function can be enhanced, resource utilization and reduction treatment of the traditional Chinese medicine residues can be realized, and a high-quality feed additive can be provided for livestock and poultry breeding; the sustainable development of animal husbandry is promoted.

The invention relates to bacillus megaterium A-27, a microecological preparation thereof and a preparation method of the microecological preparation, the bacillus megaterium is preserved in the China Center for Type Culture Collection, the strain preservation number is CCTCC NO: M 20241848, the classification name is bacillus megaterium A-27, and the Latin name is bacillus megaterium A-27. The microecological preparation is prepared by fermenting bacillus megatherium A-27. The invention also discloses a preparation method of the microecological preparation. A microecological preparation which is prepared from the bacterial strain through a corresponding method and is suitable for aquaculture acts on freshwater fishes in a feed additive mode, has broad-spectrum fish pathogenic bacterium inhibition activity, and particularly has a remarkable effect of resisting aeromonas hydrophila infection on the freshwater fishes; meanwhile, the strain can be stably colonized in freshwater fish bodies, the immunocompetence of the freshwater fishes is effectively improved, and a certain effect of promoting the growth of the fishes is achieved.

The invention provides a microbial source anti-oxidation pigment feed additive for aquaculture and a preparation method of the microbial source anti-oxidation pigment feed additive, the microbial source anti-oxidation pigment feed additive for aquaculture is prepared by the following steps: carrying out low-temperature plasma physical mutagenesis on talaromyces albuminosus CY-G to generate a mutant strain, namely talaromyces albuminosus CY110, and then carrying out semi-solid state fermentation on the mutant strain, namely talaromyces albuminosus CY110 to produce wine red pigment. The pigment product obtained by the invention is high in yield of haematochrome, orange pigment and yellow pigment, low in citrinin content, stable in property and relatively strong in oxidation resistance, can be used as an aquaculture microorganism source anti-oxidation pigment feed additive, and has a wide application prospect. The preparation method disclosed by the invention is simple to operate, low in equipment requirement, high in production efficiency and suitable for large-scale production.

The invention discloses a microbial compound feed additive, which is prepared from the following ingredients in parts by weight: 35 to 45 parts of traditional Chinese medicine residues, 25 to 35 parts of soybean meal, 15 to 25 parts of bran, 8 to 12 parts of corn flour, 0.3 to 0.7 part of selenium-enriched yeast, 8 to 12 parts of aspergillus niger spore powder, 10 to 15 parts of bacillus subtilis, 6 to 9 parts of lactobacillus plantarum and 5 to 8 parts of candida utilis. The invention relates to the technical field of feed additives, through the synergistic effect of the aspergillus niger, the bacillus subtilis, the lactobacillus plantarum and the candida utilis, the aspergillus niger can generate various enzymes, and decomposition of raw materials and release of nutritional ingredients are facilitated; the bacillus subtilis can enhance the immunity of livestock and poultry and inhibit the growth of harmful bacteria; lactobacillus plantarum can regulate intestinal microecological balance and promote digestion and absorption; candida utilis is rich in protein and vitamins and provides nutrition for livestock and poultry, the four components cooperate with each other, the function limitation of a single strain is broken through, and the health level and production performance of livestock and poultry are comprehensively improved.

The invention discloses a feed additive ratio control method and system based on environmental perception. The method comprises the steps that breeding environment, feed characteristics, equipment operation and animal physiological parameters are collected, and a high-quality parameter set is generated after preprocessing; calculating an environment stress index based on a multi-factor data fusion algorithm and analyzing a change trend; combining historical and current data, using time sequence prediction and a machine learning algorithm to predict additive requirements and generating an optimal proportioning strategy; a control instruction is generated according to the strategy, and the additive conveying and spraying process is regulated and controlled; and a matching strategy and control parameters are corrected in real time through closed-loop feedback, so that accurate regulation and control are realized. The device can dynamically adapt to environmental changes, reduce animal stress, and improve mixing uniformity and nutrition retention effect.

Provided herein, inter alia, are ruminant feed or feed additive compositions, and methods of using these feed or feed additive compositions to reduce methane emissions in ruminants while improving animal performance, these feed or feed additive compositions comprise one or more compounds that increase hydrogen production in ruminants, such as, but not limited to, 3-nitroxypropanol (3NOP) and one or more acetogens.

The invention discloses a feed additive for relieving animal mycotoxin poisoning and a preparation method thereof. The feed additive comprises the following components in parts by weight: 25-30 parts of attapulgite, 25-30 parts of montmorillonite, 25-30 parts of yeast cell walls, 2-5 parts of vitamin E, 5-10 parts of taurine and 5-10 parts of lipoic acid. The feed additive disclosed by the invention can be used for remarkably improving the harm problem of mycotoxin in the livestock and poultry breeding production process and reducing the economic loss of livestock and poultry farmers caused by the mycotoxin pollution of the feed.

The invention relates to the technical field of compound fertilizers, and discloses a boron-zinc-molybdenum synergistic compound fertilizer, which is prepared from the following raw materials in parts by weight: calcium nitrate, ammonium polyphosphate, potassium sulfate, magnesium sulfate, disodium octoborate tetrahydrate, sugar alcohol chelated zinc, sodium molybdate and a synergistic auxiliary agent, the feed additive is prepared from a feed additive, an activator, 5-alginic acid oligosaccharide, aminolevulinic acid, sugar alcohol chelated magnesium, an antagonist, a stress-resistant enhancer and a coating material. According to the boron-zinc-molybdenum synergistic interaction compound fertilizer and the preparation process thereof, the disodium octoborate tetrahydrate, the sugar alcohol chelated zinc and the sodium molybdate are compounded according to a specific proportion, antagonism is avoided through proportion limitation, the synergistic effect of the three elements is remarkably enhanced, and the problem that a single element is insufficient or excessive is solved; chelated elements such as sugar alcohol chelated zinc and sugar alcohol chelated magnesium are combined with an activating agent (humic acid chelated calcium and silica sol) to form a gel-state chelate, so that the trace elements can be prevented from being fixed by soil, and the transfer efficiency of the trace elements in crops is improved.

The invention discloses paenibacillus kribbensis exopolysaccharide and application thereof in prevention and control of iridovirus diseases of micropterus salmoides. The invention provides a paenibacillus kribbensis exopolysaccharide. The paenibacillus kribbensis exopolysaccharide is prepared from a fermentation product of a paenibacillus kribbensis space mutation delta PS04-17 strain. As a fish feed additive, the paenibacillus kribbensis exopolysaccharide has better in-vivo safety, has a promoting effect on the growth of the largemouth bass, and can promote the growth and weight gain of the largemouth bass and reduce the feed coefficient of the largemouth bass. Meanwhile, as a drug for resisting LMBV virus infection, the compound can inhibit expression of viruses in target tissues, alleviate virus-induced fish body target tissue structure damage and reduce the death rate caused by virus infection. Besides, the paenibacillus kribbensis exopolysaccharide serving as a disease-resistant immunopotentiator can maintain intestinal health of the micropterus salmoides, is simple to prepare, low in cost and easy to obtain in quantity, and provides more products and methods for prevention and control of the iridovirus disease of the micropterus salmoides.

The invention discloses a method for treating traditional Chinese medicine residues through fungi and biological insects, and belongs to the technical field of organic waste treatment. The method comprises the following steps: firstly, mixing and fermenting crushed traditional Chinese medicine residues and fungal strains, and then feeding biological insects by utilizing the fermented traditional Chinese medicine residues to obtain insect bodies and insect sand. On one hand, insect larvae can be used as a protein feed additive to prepare high-protein animal feed; on the other hand, after the larvae grow into adults, the adults copulate and lay eggs, the adults can be further hatched into larvae and recycled, and the larvae can be used as medicine after being dried; the screened insect excrement (insect sand) is free of peculiar smell, small in size, easy to store and transport, high in organic matter content, small in occupied space and convenient to use, has the superiority superior to common excrement of poultry and livestock, and is an organic fertilizer worthy of popularization and utilization.

The invention belongs to the technical field of microorganisms and enzyme products thereof, and particularly relates to saccharomyces cerevisiae and application thereof in preparation of superoxide dismutase. The preservation number of the saccharomyces cerevisiae is CCTCC (China Center For Type Culture Collection) NO: M 20242101. The Saccharomyces cerevisiae SOD-1 strain provided by the invention has the characteristics of high yield of superoxide dismutase (SOD), high activity of the produced SOD and good thermal stability, and provides a reliable thallus raw material for production of the SOD. Moreover, SOD prepared through fermentation of the strain has the advantages of being short in growth cycle, low in culture cost, simple in culture condition, simple in post-treatment purification process, high in production efficiency and the like, a feasible way is provided for large-scale production of SOD through biological fermentation, the industrial practicability is high, and the market prospect is wide. In addition, the obtained SOD is high in activity, good in thermal stability and excellent in oxidation resistance, and has a good application prospect in the field of animal feeding as a feed additive.

The invention discloses a compound feed additive as well as preparation and application thereof, and belongs to the technical field of feeds. The additive comprises a first composition and a second composition, the first composition comprises microcapsules formed by coating short-chain fatty acid and / or short-chain fatty acid derivatives with triglyceride carrying beta-glucuronide residues, and the second composition comprises microcapsules formed by coating short-chain fatty acid and / or short-chain fatty acid derivatives with triglyceride carrying beta-glucuronide residues. The second composition comprises medium-chain fatty acid and / or medium-chain fatty acid derivatives, and microcapsules formed by coating short-chain fatty acid and / or short-chain fatty acid derivatives with long-chain fatty acid and / or long-chain fatty acid derivatives. The invention effectively solves the problem that short-chain fatty acids and derivatives thereof are decomposed in advance before reaching target sites of intestinal tracts, so that the short-chain fatty acids and derivatives thereof can be transported to the whole course of digestive tracts, realize precise metabolism of parts in colon positions, and are suitable for balance of long-chain, medium-chain and short-chain fatty acids in intestines and stomachs of piglets. The feed can achieve the positive effects of promoting growth, improving the digestibility of nutrient substances, improving intestinal health and the like, and has a good application prospect in animal breeding.

The invention discloses a kind of eucommia leaf fermentation extract and its preparation method and application, and belongs to the technical field of microorganisms and feed additives. With eucommia leaf and wheat bran as substrates, by configuring a specific black aspergillus niger-trichoderma harzianum-saccharomyces cerevisiae complex bacterial liquid as a fermentation agent, a closed fermentation is carried out to make black aspergillus, trichoderma harzianum, and saccharomyces cerevisiae ferment to produce a large amount of cellulase, protease, lipase, amylase and glucosidase, etc., and then by pumping and circulating treatment, the cellulose, protein, starch, beta-glycan and other macromolecular substances in eucommia leaf are further enzymolyzed into protein oligopeptides, monosaccharides, and soluble oligosaccharides that are beneficial to livestock and poultry absorption. The eucommia leaf fermentation extract prepared by the present invention is used as a feed additive for beef cattle feeding, improves the daily weight gain and feed intake of beef cattle, and significantly reduces the feed-to-meat ratio, saves feed consumption, improves the protein content in meat, reduces the fat content, reduces energy, and improves meat quality.

The invention relates to the technical field of feed formulas, and particularly discloses a natural mixed feed additive and a preparation method thereof. The natural mixed feed additive comprises the following raw materials in parts by mass: 4-7 parts of vitamin E, 5-15 parts of beta-carotene, 10-16 parts of soybean oil, 20-35 parts of deionized water, 5-8 parts of modified probiotic microcapsules and 1-5 parts of an emulsifier, wherein the modified probiotic microcapsules contain sodium alginate-pectin composite microencapsulated probiotics; the preparation method comprises the following steps: heating 10-16 parts of soybean oil to 35-45 DEG C, then adding 4-7 parts of vitamin E and 5-15 parts of beta-carotene, and stirring; adding 1-5 parts of an emulsifier into 20-35 parts of deionized water, heating to 45-55 DEG C, stirring, and then slowly adding into the mixed solution obtained in the step S1; 5-8 parts of modified probiotic microcapsules are added, and stirring is conducted for 8-12 min under the condition of 100-200 r / min. The natural mixed feed additive disclosed by the invention has the advantage that the defect that the feed additive still has defects in the aspect of reducing intestinal diseases of animals can be overcome.

The invention discloses application of jute nanocellulose or derivatives thereof in preparation of drugs or feeds for preventing and treating bee virus infection, and belongs to the technical field of bee breeding. It is found that the jute nanocellulose can significantly improve the survival rate of Italian bees infected with chronic paralysis virus (CBPV) and reduce the death rate of the Italian bees. The jute nano-cellulose can inhibit proliferation of CBPV in bees and reduce the copy number of viruses. Meanwhile, the level of intestinal probiotics reduced due to CBPV infection can be recovered, and the congenital immune defense capability of bees is improved. The jute nanocellulose can be used for preparing drugs or feed additives for preventing and treating CBPV infection, has important significance on preventing and treating chronic paralysis viruses of Italian bees, and has good market application value.

The invention discloses an application of phloretin in preparation of a medicine or a feed additive for treating or preventing swine envelope virus infection, the medicine is phloretin or oral liquid, granules, tablets and powder prepared from phloretin as an effective component and a solvent or an auxiliary material, and the use dosage is 2.5-10mg / kg of the body weight of a pig; or the phloretin is directly added into the feed, and the addition amount of the phloretin is 0.01-0.03% of the total weight of the pig feed. The phloretin or the composition containing the phloretin is used as a medicine or a feed additive, is high in safety and free of toxic and side effects, and has the effects of remarkably inhibiting replication of envelope viruses such as porcine epidemic diarrhea virus, porcine reproductive and respiratory syndrome virus and African swine fever virus and reducing the toxicity of the porcine envelope viruses; the defects of immune failure possibly caused by vaccination, virus variation caused by use of antiviral drugs and the like are overcome, the morbidity and mortality of the piglets infected with the swine envelope virus are effectively reduced, and the effect of preventing and treating or preventing the swine envelope virus infection diseases is achieved.

The invention relates to the technical field of feed ingredient optimization, in particular to an ingredient optimization and adjustment system for a phage type antibiotic-free feed additive. Comprising the following steps: acquiring multi-dimensional environmental data and antibody content indexes and stress state information of individuals; determining a health index according to the antibody content index and the stress state information; performing batching delay analysis according to the change of the health index, and determining a lag moment; determining an effect coefficient in combination with the lagging time and the health index, determining the influence degree of the environmental data of each dimension on the batching effect, and screening to obtain an influence environmental dimension in combination with the influence degree of the environmental data of all dimensions on the batching effect and the predicted value of the environmental data in the next batch; and adjusting the ratio of additives in the same feeding stage in the next batch based on the influence environment dimension. According to the method, the ingredient adjustment logic can be optimized, and the adaptability of ingredients in a multi-dimensional complex scene is improved.

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 discloses a feed additive, feed, a feeding method and a selenium-enriched cow milk obtaining method. The feed additive comprises a core material and a coating film, the core material comprises a carrier and organic selenium, and the coating at least comprises a material which is stable in a rumen environment and has a swelling effect in a small intestine; the selenium content in the feed additive is 0.6 to 1.5 g / kg. According to the invention, cow milk with higher selenium content can be obtained under the condition that a smaller amount of organic selenium is added, the selenium content in the cow milk can be increased to 9ug / 100g or above, and the absorption and utilization rate of the organic selenium is remarkably increased.

The invention pertains to a method for reducing the viscosity of a fermentation broth, wherein the method comprises the step of mixing at least one compound selected from the group consisting of ascorbic acid, citric acid, lactic acid, formic acid, amino acids, and soluble salts of said acids into a fermentation broth comprising microbial cells, the fermentation broth having free microbial oil in an amount of 5.0 wt. % or less, calculated on the total weight of the fermentation broth, wherein the total lipid content of the dry matter content of the fermentation broth is at least 40 wt. %. The invention also pertains to a fermentation broth with a low viscosity, methods for processing the fermentation broth with a low viscosity, a dried biomass, and a use of the fermentation broth with a low viscosity in the preparation of a dried biomass, an extracted microbial oil, a feed additive, or of an animal feed.

The invention discloses an application of a BnaMYB7 gene or an encoded protein thereof in regulating and controlling the oil content of rape, and belongs to the fields of genetic engineering and crop genetic breeding. The nucleotide sequence of the BnaMYB7 gene is shown as SEQ ID NO: 1 or SEQ ID NO: 2, an agrobacterium-mediated genetic transformation method is used, an overexpression vector of the BnaMYB7 gene and a CRISPR / Cas9 gene editing vector are respectively transformed into a genome of the rape, the rape germplasm with overexpression and function deletion of the BnaMYB7 gene is obtained, and the rape germplasm with overexpression and function deletion of the BnaMYB7 gene is determined by measuring the oil content of seeds of overexpression and mutant materials. It is found that the BnaMYB7 gene positively regulates the oil content of the rape, so that rape varieties with different oil contents can be obtained by using the gene to perform molecular breeding on the rape. The feed additive is of great significance in relieving grain and oil tension and guaranteeing feed safety.

The invention discloses a method for producing lysozyme and application of the lysozyme, and the method comprises the following steps: transferring an exogenous lysozyme gene into a corn genome, and screening transgenic corn expressing high-enzyme-activity lysozyme. According to the method, the exogenous lysozyme gene is introduced into the corn through a DNA recombination technology, the influence on the seed activity and the storage resistance is small while the lysozyme protein corn is highly expressed, preservation and propagation are easier, and low-cost large-scale production of the lysozyme is achieved. The transgenic corn obtained by the invention can be directly used as a feed or a feed additive for breeding without additionally extracting the lysozyme manually and adding the lysozyme into the feed, so that the feeding efficiency is greatly improved and the economic cost is reduced. The obtained transgenic corn lysozyme is high in activity, the yield is not obviously different from that of non-transgenic corn, the seed vigor is not affected, and the seeds are resistant to storage and easy to propagate and have excellent application prospects and economic values.

The invention relates to a betaine phosphate-containing feed additive for improving net energy level and a preparation method and application thereof, and belongs to the technical field of feed additives, the preparation method comprises the following steps: preparing composite betaine phosphate, preparing composite zinc methionine, and mixing; the preparation of the composite betaine phosphate comprises the following steps: preparing a betaine phosphate crude product, preparing a composite silicon dioxide carrier, and crystallizing; the preparation of the compound zinc methionine comprises the following steps: preparing an activated silicon dioxide carrier, adsorbing starch and adsorbing the zinc methionine; in the step of mixing, the compound betaine phosphate and the compound zinc methionine are mixed and then stirred at room temperature, and the betaine phosphate-containing feed additive capable of improving the net energy level is obtained. The feed additive prepared by the invention has a strong effect of improving the net energy level of broiler chickens, is not easy to have the problems of bonding and clustering, and is good in storage resistance.

The invention relates to the technical field of fermentation equipment, in particular to high-safety feed additive fermentation equipment. Comprising a bottom plate; the supporting seat is connected to the top of the bottom plate; the supporting frame is connected to the top of the bottom plate; the rotating blocks are rotationally connected to the supporting seat and the supporting frame respectively; the connecting frame is connected to the rotating block, and placing grooves are formed in the inner bottom of the connecting frame in the circumferential direction at intervals; the fermentation cylinder is placed in the placement groove, and a through hole is formed in the top of the fermentation cylinder; the first driving motor is mounted at the top of the bottom plate; and the universal coupling is mounted between the output shaft of the first driving motor and one of the rotating blocks. The rotatable connecting frame is matched with the detachable fermentation cylinder, a traditional stirring mechanism is replaced, material mixing is achieved through overall rotation, the problem that materials remain on the stirring shaft and the blades can be effectively solved, and meanwhile pollution-free and safety in the fermentation process can be guaranteed through cooperation of the pressing plate fixing structure and the sealing assembly.

The invention relates to a preparation method of traditional Chinese medicine residue metabiotics and application of the traditional Chinese medicine residue metabiotics in fish feed, and belongs to the technical field of feed additives. Beneficial bacteria such as bacillus subtilis, lactobacillus lactis, bifidobacterium longum and saccharomyces cerevisiae are separated from intestinal contents of grass carp and are subjected to enlarged culture, then traditional Chinese medicine residues such as fresh ginger, folium mori, ginseng, fructus lycii, rhizoma curcumae longae, liquorice and mint are added, staged mixed fermentation culture is performed, obtained metabolites are added into fish feed, and the fish feed is obtained. The feeding rate and the growth rate of fishes such as mandarin fish and micropterus salmoides are effectively improved, and the resistance is enhanced.