853 results about "Fish oil" patented technology

The compositions comprise at least two ingredients selected from the group consisting of fish oil, L-arginine, vitamin E, vitamin C, vitamin B3, vitamin B5, vitamin B6, vitamin B1, vitamin B2, folic acid, biotin, vitamin B12, and are formulated for the prevention and / or treatment of a disease or condition associated with muscle decline in a subject in need thereof. Preferably, the subject in need is an individual at risk of or having renal failure, renal dysfunction or / and nephropathy, such as chronic nephropathy, protein energy consumption, end-stage nephropathy, renal failure due to hospitalization in an intensive care unit, acute kidney injury, and the muscle decline is selected from the group consisting of muscle depletion, muscle loss due to renal failure or dysfunction, muscle decline associated with chronic kidney disease, muscle loss due to hospitalization in intensive care units during renal failure, metabolic acidosis during chronic kidney disease, protein energy depletion, or a combination thereof. The method enables the prevention and / or treatment of at least one outcome of a disease or condition associated with muscle decline in a subject at risk of or having renal failure, renal dysfunction or / and kidney disease. The composition and the method can be used to improve the level of at least one amino acid.

The invention relates to the technical field of ceramic materials, in particular to a method for reducing the surface roughness of a silicon nitride instant-fired sheet, which comprises the following steps: S1, mixing alpha-silicon nitride, beta-silicon nitride, absolute ethyl alcohol and herring fish oil, grinding and dispersing to obtain basic mixed powder; s2, mixing, grinding and dispersing the filling mixed powder, absolute ethyl alcohol and herring fish oil, then carrying out filter pressing and drying, calcining and regrinding to obtain ground filling mixed powder; s3, mixing and ball-milling the basic mixed powder, the ground filling mixed powder, a solvent, an adhesive, a plasticizer and a dispersing agent to obtain slurry; s4, casting the slurry into a film; s5, attaching the thin film to the surface of the silicon nitride green body, and pressing the silicon nitride green body into a whole piece through an isostatic press to obtain a pressed green body; s6, a boron nitride isolation layer is printed on the surface of the pressed green body, and the green body with the isolation layer is obtained; and S7, stacking the green bodies with the isolating layers, and then carrying out adhesive removal and sintering reaction to obtain the silicon nitride ceramic chip.

The invention discloses a pet food added with vitamins, containing fish-derived raw materials and having effects of beautifying hair and protecting skin and a preparation method thereof. The vitamin-added pet food containing fish-derived raw materials comprises the following raw materials in parts by weight: 8-16 parts of salmon, 1-5 parts of salmon fish oil, 50-60 parts of chicken, 10-15 parts of chicken liver, 10-15 parts of chicken heart, 2-5 parts of sweet potato powder, 1-5 parts of beer yeast powder, 2-5 parts of chicken oil, 1-2 parts of semen plantaginis powder, 1-2 parts of chicory root powder, 1-2 parts of cellulose and 0.5-2 parts of egg yolk lecithin. The nutrient solution is prepared from the following components in parts by weight: 0.2-0.8 part of polyglycerol fatty acid ester, 5-20 parts of water, 0.2-0.5 part of vitamin E and 0.05-0.1 part of agar. The pet food containing the fish-derived raw materials and added with the vitamins is comprehensive in nutrition, and can enhance the physique of pets, help the growth of pet hair and make the hair color of the pets bright and glossy.

The invention discloses an oral instant film suitable for pet nutrition intervention and a preparation method of the oral instant film, and belongs to the technical field of pet oral preparations. The instant film adopts a sandwich type multi-layer structural design, sequentially comprises a first food calling layer, a core layer and a second food calling layer, can be selectively provided with a functional layer and an interface middle layer, and constructs a staggered hot-pressing laminated structure, so that the structural stability and the function delivery efficiency of a film body are remarkably improved. The core layer contains multiple composite active ingredients such as L-carnitine, coenzyme Q10, beta-glucan, glucosamine sulfate and the like, chitosan-inulin-polyglutamic acid or starch is adopted for embedding to form a first microcapsule and a second microcapsule, and intelligent delivery of temperature / pH response and gastrointestinal controlled release is achieved. The food calling layer is composed of chicken powder, fish oil powder, fructo-oligosaccharide and the like, and the feeding compliance of pets is 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 provides a method for separating EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) through supercritical fluid chromatography, and relates to the technical field of separation and purification. The invention provides a method for separating EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) by supercritical fluid chromatography, which comprises the following steps: by taking supercritical carbon dioxide and an organic reagent as mobile phases, and by utilizing the specific mobile phase property of supercritical CO2 after being mixed with the organic reagent (saturated aliphatic hydrocarbon) and matching with a normal-phase chromatographic column, separating the EPA from the DHA by supercritical fluid chromatography. A specific stationary phase (one or more of a silica gel surface bonded propylurea stationary phase, a silica gel surface bonded phenyl stationary phase and a silica gel surface bonded imidazolyl stationary phase) is adopted, effective separation and preparation of the EPA and the DHA in the fish oil can be achieved, the EPA and the DHA in the fish oil can be effectively separated within 50 min, the separation speed is high, the separation effect is good, and the method is suitable for industrial production. The purity of the obtained EPA and DHA is 98% or above, the purity of the EPA and the DHA is high, and the EPA and the DHA have good application prospects in the fields of medicine production and food and health care products.

Provided are methods and systems for recovering protein product powder, purified water and omega-3 oil from an animal tissue. The methods and systems use high throughput extraction filtration separation systems. Animal tissue, for example fish, and organic solvent are directly or indirectly transferred into one of the optional extraction or filtration systems. The extraction-filtration systems provide a high degree of filtration performance and product washing efficiency. Each system ultimately yields a product wet cake that includes the protein product. The protein product wet cake is then further dried in a drying unit to yield the final protein powder product. In each system, the process filtrates undergo further processing by filtration and distillation to recover the organic solvent and separate out the omega-3 fish oil. The recovered organic solvent can be recycled back into the process. Solid protein product powder is thus recovered, along with omega-3 oil, purified water and recovered solvent.

The invention discloses degummed tuna oil and a preparation method thereof.The preparation method of the degummed tuna oil comprises the steps that after Jinjiang crude fish oil is heated to a first preset temperature, a mixed adsorbent is added, stirring and degumming are conducted at the first preset temperature, centrifugation is conducted, and a degummed first solution is obtained, the mixed adsorbent comprises attapulgite and activated clay, the mass ratio of the attapulgite to the activated clay is 1: (3-7), the first preset temperature is 75-78 DEG C, and the mass ratio of the mixed adsorbent to the golden gun crude fish oil is (5-10): 100; heating a first solution obtained by degumming to a second preset temperature, adding a citric acid solution into the system solution, performing ultrasonic treatment, stirring at 60-65 DEG C, cooling and centrifuging to obtain the system solution; and heating the system liquid to a third preset temperature, adjusting the pH value to 5.8-6.2, adding a compound enzyme for degumming, taking an upper-layer oil sample after complete reaction, carrying out microwave treatment, removing water in the oil sample, and carrying out enzyme deactivation to obtain the degummed tuna oil.

The utility model discloses a concentration device for fish oil production, which comprises a tank body, a bracket fixedly connected to the outer side of the tank body, an evaporation tank fixedly mounted on one side of the tank body, a feed pipe fixedly connected to one side of the evaporation tank, a first connecting pipe arranged between the bottom of the evaporation tank and the tank body, and a first pump fixedly mounted on the outer side of the first connecting pipe, a rotating rod is rotationally connected to the interior of the tank body, two fixing plates are fixedly connected to the outer side of the rotating rod, and a stirring rod is rotationally connected between the two fixing plates. The fish oil concentration and purification device solves the problems that fish oil raw materials are low in concentration and purity due to the fact that the fish oil raw materials are not subjected to effective concentration and purification treatment, so that the fish oil possibly contains more impurities or harmful substances, and potential risks are caused to human health.

The invention belongs to the technical field of medicines, and discloses an astaxanthin and fish oil compound for assisting in reducing blood sugar as well as a preparation method and application of the astaxanthin and fish oil compound. The astaxanthin and fish oil compound for assisting in reducing blood sugar comprises the following raw materials: astaxanthin oil and fish oil. The invention also discloses an application of the astaxanthin and fish oil compound for assisting in reducing blood sugar in preparing a medicine for reducing blood sugar. The astaxanthin and fish oil compound prepared by the invention is simple in component, high in antioxidant activity and remarkable in blood sugar reducing effect, and has a wide application prospect in the aspect of treating diabetes mellitus.

The present invention relates to compositions comprising phospholipids for delivery of bioactive compounds such as ethyl esters, fish oil concentrates, cannabinoids, CoQ10 and curcumin under conditions such the bioavailability of the bioactive compounds is enhanced.

The invention provides a fat-reducing and weight-reducing food composition, a tablet candy as well as a preparation method and application of the tablet candy, and belongs to the technical field of foods. The fat-reducing and weight-reducing food composition provided by the invention is prepared from the following raw materials in parts by weight: 4 to 8 parts of epigallocatechin gallate, 8 to 16 parts of raw coffee powder, 2 to 6 parts of ginseng peptide powder, 22 to 38 parts of fish oil microcapsule powder, 39.5 to 44.5 parts of a sweetening agent, 3 to 7 parts of a filling agent and 0.5 to 1.5 parts of a lubricating agent. Wherein the sweetening agent is sorbitol, the filling agent is microcrystalline cellulose, and the lubricating agent is magnesium stearate. The food composition can be used for preparing tabletted candies which are good in fat-reducing and weight-reducing effects, good in stability and low in friability.

The invention belongs to the field of feed, and discloses balance oil which comprises the following components in percentage by weight: 15-20% of fish oil, 20-30% of soybean oil, 5-10% of linseed oil, 20-30% of lysophospholipid, 5-10% of coconut oil, 15-20% of corn oil and 1-5% of red palm oil. The balance oil is applied to pregnant sows, and experimental verification shows that the balance oil can effectively improve the reproductive performance of the sows and the growth performance of piglets. Meanwhile, the invention further discloses balancing grease powder and application thereof.

The utility model discloses a filtering device for fish oil production, comprising a shell, wherein a filter plate is arranged inside the shell, a movable frame is arranged above the filter plate, a cleaning mechanism acting on the filter plate is arranged at the bottom of the movable frame, and a driving mechanism acting on the movable frame is arranged on the shell, the driving mechanism is composed of an adjusting screw, a first motor, a mounting plate and a guide rod, the mounting plate is fixedly connected to the outer wall of the shell, and a through groove is opened on the side wall of the shell between the mounting plate and the movable frame. The utility model drives a brush roller to rotate through a second motor, and drives the movable frame to move through the driving mechanism, so that the brush roller on the movable frame can clean the filter plate, and the brush roller with a large amount of filtered matter can be moved to the outside of the device for cleaning, thereby completing the cleaning of the filter plate without disassembling the filter assembly, which is very efficient and convenient.

The invention discloses a crispy pet food and a preparation process thereof, and relates to the technical field of pet feeds, the crispy pet food comprises the following raw materials: fresh chicken, sweet potato granules, cassava starch, fish oil, yolk powder, goat milk powder, yeast hydrolysate, carrot powder, tomato powder, cranberry powder, semen plantaginis and an additive; the crisp food has the beneficial effects that the crisp food adopts a more advanced processing technology, so that the actual addition amount of fresh meat is higher, and animal protein with higher quality and rich nutritional ingredients are provided; the crispy food is pre-added in the whole course by utilizing fat in the raw materials, so that the later grease spraying is avoided, the freshness of the product in the transportation and storage process is ensured, and meanwhile, the occurrence of black chin of pets is reduced; an optimized puffing process is adopted for the crispy food, product particles are crisper and better in palatability, and abrasion of teeth of pets is reduced; the crispy grain particles have a very obvious softening effect within 10 minutes after entering the intestinal tract, and are more beneficial for pets to effectively absorb nutritional ingredients.

The invention relates to the technical field of fish oil processing for pet food. The processing method comprises the following steps: adding evening primrose oil and borage seed oil into fish oil, carrying out instantaneous high-temperature heating, cooling, adding a rosemary extract, uniformly mixing, adding a filter aid, stirring, winterizing, and filtering to obtain the fish oil with low fishy odor. The fish oil prepared by the method disclosed by the invention can effectively reduce the perception of people on fishy smell and peculiar smell of the fish oil, improve the intake willingness of dogs and cats on the fish oil, effectively improve the luster and smoothness of hairs of the dogs and cats, and play a role in beautifying hairs.

The invention relates to the technical field of sample preparation equipment, in particular to deep sea fish oil micro-capsule determination sample preparation equipment which comprises a motor base, a linkage case is fixedly connected to the upper surface of the motor base, and a main motor is arranged in the motor base; a fish oil conveying box and a dispersing agent input box are fixedly connected to the upper portions of the two sides of the outer surface of the linkage machine box respectively, a stirring box is fixedly connected to a pipeline on the opposite sides of the fish oil conveying box and the dispersing agent input box, a rotating rod can move up and down through the action that a stirring assembly conducts sampling and pressing every time, the stirring uniformity is improved, and the stirring efficiency is improved. Single-batch multi-section sampling can improve the accuracy of the sample and reduce interference factors of various devices, meanwhile, the initial low speed can promote spreading of the micro-capsules, the rotation speed is increased to prevent oxidation of the dispersing agent and grease in the fish oil, and subsequent slow-down maintenance can facilitate fusion of the dispersing agent and avoid scattering of components in the deep sea fish oil through high-speed rotation; the observation is influenced.

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 pig feed for increasing intramuscular fat of pork and a preparation method thereof, and belongs to the technical field of pig feeds. The pig feed comprises the following components in parts by weight: 100-120 parts of a basal feed, 3-4 parts of a compound enzyme agent, 5-7 parts of a probiotic compound bacterial agent, 1-3 parts of a vitamin additive, 20-30 parts of rice bran, 10-15 parts of a fat supplement and 3-6 parts of a functional additive. By adding various functional regulators beneficial to increase of fat in pork muscles, deposition of fat in the pork muscles is improved through various ways, and the corn, the soybean cakes and the wheat germs can provide high energy, so that fat deposition can be increased in the growth process of the pork; fat supplements rich in omega-3 fatty acid, such as flaxseed oil or fish oil, are added into the feed, so that the flavor of meat and the proportion of healthy fat can be improved, and the deposition and quality of intramuscular fat are influenced.

The invention discloses a separation process of EPA-EE and DHA-EE, and relates to the technical field of separation and purification of polyunsaturated fatty acid ethyl ester. The invention discloses a separation process of EPA-EE and DHA-EE, which comprises the following steps: firstly, carrying out reflux reaction on deep sea crude fish oil by using absolute ethyl alcohol and strong base anion exchange resin, carrying out centrifugal separation, and collecting an oil phase; adding the oil phase into molecular distillation to obtain a raw material solution; performing chromatographic separation on the raw material solution to obtain an EPA-EE raffinate and a DHA-EE extract; and carrying out reduced pressure distillation on the EPA-EE raffinate and the DHA-EE extract, and concentrating to obtain dried EPA-EE and DHA-EE products. The EPA-EE and DHA-EE obtained by the separation process disclosed by the invention are detected by a nuclear magnetic resonance spectrometer and a gas chromatograph, and the purity of the products reaches 99%.

The invention provides an aquatic bait biological feed as well as a preparation method and application thereof. Wherein the aquatic bait biological feed comprises a yeast raw material, amino acid raw powder and feed-grade fish oil; wherein the yeast raw material is selected from at least one of yeast metabolite, yeast powder, yeast hydrolysate or yeast cell wall dry powder. The components in the aquatic bait biological feed are appropriate in particle size, can be directly ingested and absorbed by zooplanktons such as rotifers and cladocerans, are easily digested and absorbed by the zooplanktons, and are beneficial to growth and reproduction of bait organisms. In addition, the feed raw materials do not have the problems of pathogenic bacteria and drug residues, and do not have toxicity to bait organisms.

The invention belongs to the field of microbial genetic engineering, and provides schizochytrium limacinum with high DHA content and low DPA content and application of the schizochytrium limacinum. According to the strain, an n3 front-end desaturase gene derived from crypthecodinium cohnii is integrated to a 18S rDNA site of schizochytrium limacinum ALS01, and omega-6 type DPA is converted into DHA by utilizing an extension-desaturation way. Under the optimized conditions of a 5L fermentation tank (the inoculation amount is 5-20%, the temperature is 25-28 DEG C, the ventilation ratio is 1.0-2.0 vvm, and fermentation is performed for 72-168 hours), the biomass is larger than or equal to 150g / L, the total grease is larger than or equal to 60%, the DHA total grease proportion is larger than or equal to 53%, the DPA total grease proportion is smaller than or equal to 2%, and the DHA yield is larger than or equal to 47.82 g / L. The invention solves the problems of unstable fish oil resource and insufficient DHA purity in the traditional DHA production, provides a new strain for the industrial production of high-purity DHA, and has important application value.

The present application provides a method of incorporating omega-3 fatty acids, such as EPA / DHA, into polar lipid molecules present in lecithin, the method comprising: (a) performing an enzymatic exchange reaction between the fatty acids present in the polar lipids of lecithin and omega-3 fatty acids present in concentrated fish oil to obtain an oil having a high content of polar lipids and omega-3 fatty acids, and (b) a step of concentrating the polar lipid content of the oil obtained in step a by supercritical fractionation or molecular distillation.

The invention discloses a nutritional composition for osteoporotic fracture recovery and a preparation method thereof, and relates to the field of food / health care products. The composition for osteoporotic fracture recovery is prepared from the following components in parts by weight: 600 to 900 parts of oligomeric collagen peptide, 300 to 600 parts of small molecular oyster peptide, 100 to 300 parts of fish oil extract, 100 to 300 parts of calcium beta-hydroxy-beta-methyl butyrate, 100 to 150 parts of fructo-oligosaccharide, 60 to 90 parts of L-carnitine, 20 to 50 parts of gamma-aminobutyric acid, 10 to 30 parts of calcium aspartate and 3 to 4 parts of taurine. According to the composition for recovering the osteoporotic fracture, provided by the invention, a nutritional and healthy food suitable for recovering the osteoporotic fracture of the old people is formulated aiming at the conditions of constipation, chewing and swallowing conditions, mouth feel, compliance and the like of the osteoporotic fracture of the old people, especially bedridden patients, and various nutrients are combined according to a specific ratio; the traditional Chinese medicine composition is beneficial to accelerating body recovery of patients, preventing muscle attenuation, subsequently improving sclerotin and muscle strength for a long time, and reducing the risk of cardiovascular diseases at the same time.

The invention relates to a high-temperature-resistant thermosensitive pet nutritional composition and a preparation method thereof, and belongs to the technical field of pet food. Comprising the following raw materials in parts by weight: 30-40 parts of meat, 5-10 parts of viscera, 10-20 parts of meat with bones, 3-5 parts of fish oil microcapsules, 3-5 parts of fruits and vegetables, 1-2 parts of pretreated yeast powder, 1.3-1.5 parts of taurine, 0.5-1 part of prebiotics and 3-6 parts of citric acid. The obtained pet nourishment has excellent high-temperature-resistant heat sensitivity.

The invention relates to the technical field of feed and fermentation, in particular to compound feed for promoting healthy growth of micropterus salmoides as well as a preparation method and application of the compound feed. The compound feed is prepared from the following components in parts by weight: 30 to 40 parts of fish meal, 10 to 15 parts of chicken meal, 0 to 10 parts of tenebrio molitor protein, 9 to 11 parts of fermented soybean meal, 7.5 to 9.5 parts of egg powder, 1 to 6 parts of beer yeast powder, 4 to 10 parts of flour, 2 to 3.5 parts of cassava starch, 1 to 3 parts of fish oil, 0.6 part of monocalcium phosphate, 0.3 to 1 part of compound vitamin, 1.2 to 3.7 parts of mineral substance mixture, 2 to 3 parts of EPA (eicosapentaenoic acid) and 3 to 4.4 parts of DHA (docosahexaenoic acid). According to the compound feed disclosed by the invention, the fermented soybean meal and the tenebrio molitor protein are combined to replace part of fish meal, so that the cost of the feed is effectively reduced, the organism immunity and disease resistance of the micropterus salmoides are improved, the intestinal health of the micropterus salmoides is improved, and the culture benefit is comprehensively improved.

The invention provides a novel compound feed for leuciscus waleckii, which comprises the following components: 10 to 30 percent of fish meal, 8 to 12 percent of soybean protein concentrate, 15 to 20 percent of flour, 3 to 6 percent of casein, 0.5 to 2 percent of gelatin, 4 to 6 percent of corn protein powder, 2 to 3 percent of soybean oil, 2 to 3 percent of fish oil, 18 to 24 percent of dextrin, 0.3 to 0.6 percent of mineral substance and vitamin premix, 0.2 to 0.6 percent of choline chloride, 1.5 to 2.5 percent of monocalcium phosphate, 0.05 to 0.12 percent of vitamin C ester, 2.5 to 3.5 percent of microcrystalline cellulose and the balance of water. The non-grain novel protein source defatted tenebrio molitor powder is used for partially replacing the fish meal, and the replacement proportion is 0-60%. The invention further provides a preparation method of the novel compound feed for the leuciscus waleckii, and the obtained feed is used for the leuciscus waleckii and can promote the growth performance, the digestive function, the protein metabolism function, the lipid metabolism function, the immune function and the oxidation resistance of the leuciscus waleckii. The invention provides a theoretical reference for developing a novel non-grain protein source, saving fish meal protein, reducing the feed cost and optimizing the artificial compound feed for the leuciscus waleckii.

The present invention provides a compound feed for freshwater fish and a preparation method thereof, comprising the following raw materials in parts by weight: 39-44 parts of corn protein powder, 22-34 parts of cottonseed protein powder, 5.4-9.2 parts of black soldier fly larva powder, 11-23 parts of fish oil, 20-30 parts of Schizochytrium powder, 7.5-12.4 parts of soy lecithin powder, 4-10 parts of maltitol, 8-12 parts of sodium butyrate, 8-15 parts of Chinese herbal medicine liquid, 0.2-0.8 parts of compound fermenting agent. Through steps such as raw material mixing, Chinese herbal medicine liquid fermentation, homogenization, puffing and spray drying in sequence, the feed quality control is carried out, so that the compound feed has a relatively high absorption rate and palatability, ensures the intake of the components of the Chinese herbal medicine fermentation liquid, significantly improves the survival rate and growth rate of freshwater fish, and has remarkable economic benefits.

The invention relates to the technical field of pet food, in particular to flavoring agent powder for pet dogs and a preparation method of the flavoring agent powder. Comprising the following raw materials: 40 parts of beef liver, 10 parts of hairtail, 7-40 parts of ricefield eel, 1 part of protease, 0.5-1 part of lipase, 0.5-1 part of flavor enzyme, 5-10 parts of saccharides, 10 parts of fish oil, 5-10 parts of maltodextrin, 0.5-1 part of sodium hydroxide, 5 parts of phosphoric acid, 3 parts of amino acid, 2 parts of thiamine, 1 part of yeast extract and 0.5-1 part of lactoferrin. The dog feed can increase the appetite of dogs from the sense of smell, maintain the health balance of intestinal flora of dogs and improve the micro-ecological environment of intestinal tracts.

The invention provides a feed for increasing dark red body color of goldfish and a preparation method of the feed, and relates to the field of fish feeds. The feed comprises the following raw materials in percentage by mass: 1-20% of fish meal, 5-20% of euphausia superba powder, 5-30% of corn flour, 2-20% of chrysanthemum powder, 10-30% of flour, 10-20% of vital gluten, 1-5% of bee pollen, 1-10% of carrot powder, 3-20% of chili meal, 0.1-3% of astaxanthin, 1-10% of spirulina, 1-10% of haematococcus pluvialis, 1-10% of phaffia rubra, 1-8% of fish oil and 0.1-3% of choline chloride. 0.01-3% of composite vitamins and 0.01-5% of composite minerals. After the feed is fed for a long time, the red brilliance and the brightness of the body color of the dark red goldfish can be improved, and the dark red goldfish can present a more beautiful swimming posture and a ruddy color.