281 results about "Spirogyra" patented technology

A process for spirulina deodorization relating to a kind of spirulina, particularly, a method of deodoeization by means of fermentation. And an effective method for spirulina deodorization is provided. Steps are, spirulina wall-breaking; adding glucose into already wall-broken spirulina liquid, inoculating active dried yeast, fermenting. Said spirulina wall-breaking by means of enzymolysis-isotropic wall-breaking and its steps are, adopting lysozyme enzymolysis, after enzymolysis to be crushed evenly. In the best conditions of technique, said wall-broken spirulina liquid containing slight fresh flavor and keeping original color.

The invention relates to a ferment organic base fertilizer for rice and a preparation method thereof. The preparation method comprises the following steps of (S1) crushing 30% of water hyacinth, 20% of spirulina spirogyra, 10% of garlic, and 20% of straw to be muddy, and drying chicken manure with microwave until the moisture content is 60 to 65%; (S2) adding raw material prepared in S1, brown sugar and fermentation microflora into a fermenting kettle to ferment for 5 to 7 days at a temperature of 45 to 55 DEG C, and collecting fermented liquid during fermenting; and (S3) fermenting and rotting the solid raw material in a solid fermenting kettle for 7 days at the temperature of 45 to 55 DEG C, so as to obtain the ferment organic base fertilizer for rice. According to the preparation method, water hyacinth and blue-green algae are economically utilized and treated to prepare the solid ferment organic base fertilizer for rice and liquid leaf fertilizer by the fermentation method; and the ferment organic base fertilizer can promote the tillering as well as full seed of rice, also show remarkable effects on inhibiting and controlling a plurality of pest and disease damage, and is suitable for being expanded and applied in a large scale.

The invention relates to a turtle feed. Cornmeal, oatmeal, soybean meal, white fish meal, wheat meal, albumen power, calcium powder, yeast powder, locust powder, spiral seaweed and few food preservative are proportionally mixed, added with fish oil and few water and stirred to form the paste; and the paste is put into a granulator after being fermented for 30 minutes and made into about 3mm to 5mm particles which are used for feeding the turtles after being dried. Thereinto, every 1000g of turtle feed comprises 200-250g of cornmeal, 100-150g of oatmeal, 50-80g of soybean meal, 100-150g of white fish meal, 60-100g of wheat meal, 100-150g of albumen power, 40-50g of calcium powder, 10-18g of yeast powder, 100-150g of locust powder, 40-50g of spiral seaweed and the balance of fish oil, water and few food preservative which are proportionally mixed to form the paste. The turtle feed prepared by the method mainly comprises larger than or equal to 45% of crude protein, less than or equal to 10% of crude fiber, less than or equal 15% of crude ash, larger than or equal to 1% of lysine, larger than or equal to 3% of calcium, larger than or equal to 1% of phosphorus and less than or equal to 10% of water content.

The invention relates to a preparation method for a spirogyra-based biomass carbon material / nanometer sulfur composite material. The method comprises the following steps of washing and drying spirogyra, heating the washed and dried spirogyra in a vacuum tubular furnace, carrying out heat preservation and carbonization at 500-900 DEG C, mixing the carbonized spirogyra with nanometer sulfur with ultrasound, carrying out ball milling, drying the ball-milled mixture by an air blow drying box, heating the dried mixture in the vacuum tubular furnace, carrying out heat preservation for 3-6 hours at 100-200 DEG C, and afterwards cooling the mixture subjected to heat preservation to a room temperature with the furnace to obtain the target product, namely the spirogyra-based biomass carbon / nanometer sulfur composite material. According to the preparation method, the spirogyra is taken as a precursor for the first time, and a biomass carbon material with a continuous sheet-shaped structure similar to graphene and with nanoscale thickness is synthesized; the biomass carbon material comprises the sheet-shaped structure composed of continuous fibers, also is provided with nanoscale pores and is high in uniformity and continuity, the loading of sulfur particles is facilitated, and the obtained composite material has favorably electrochemical performance.

The invention relates to a drink which contains agaric and ginseng. The drink is characterized in that the drink is composed of the following ingredients (by weight part); agaric 20-35, ginseng 1-2.5, oat 35-45, honey 10-25, spirulina 5-15 and concentrated juice 300-3000. The invention is effective in preventing the 'three highs', namely, high blood pressure, high fat content and high levels of blood lipids. Moreover, the invention has the efficacies of removing waste out of stomach and intestine, fighting thrombosis, resisting radiation, countering tumor and keeping people strong, young and healthy.

The invention discloses a sea cucumber feed, which comprises the following components which are calculated by weight: flour weevil sand is 77-95 parts, laver is 4-10 parts, sargassum is 4-10 parts, spirulina is 0.2-0.3 part, and mussel powder is 1-3 parts. The invention uses the flour weevil sand as a main raw material, according to the growth requirements of sea cucumber, seaweed, the laver, the spirulina, calcium and various vitamins are added to compose a total nutrient feed, which has the advantages of no pollution, no remains, no drug resistance and no side effects and the like, and is a true green feed. Using the sea cucumber feed of the invention to feed sea cucumber, the survival rate is high, the weight gain is rapid, the colour change of young sea cucumber is rapid, the extension degree is excellent, and the invention has a remarkable effect for seedlings and conserving seedlings.

The invention discloses a method for harvesting cultured spirulina. The method is characterized in that the method comprises the steps of centralized harvesting, bypass flow filtering and separating and washing and rinsing combining; a pipe network device is used for transporting spirulina liquid cultured in each culture pond to a bypass flow adjusting device in a centralized manner by way of flowing automatically; the bypass flow adjusting device is used for injecting the spirulina liquid at certain flow rate and with certain quantity of flow to a filtration and separation device and a washing device and controlling and adjusting the quantity of spirulina liquid entering into the filtration and separation device; the filtration and separation device is used for separating the spirulina oozes from the liquid nutrient media by utilizing a filter screen; and the washing system is used for washing or rinsing the spirulina oozes with salinity and high pH value with tap water to remove salt and impurities.

A method for raising clam worm includes such steps as choosing health parents, artificial fertilization, putting the fertilized ova in the seawater contained in drum, supplying seaweed (such as spirulina) as feed to culture larvae until the larva has 5-6 pairs of legs, culturing in spool in water flowing mode for 10 days while supplying seaweed and fish powder as feed, culturing in water exchanging mode while supplying fish powder as feed, and culturing in water bath while supplying seaweed and fish powder as feed.

The invention discloses a sealed type screw algae cultivation setting. It includes big shed body and transparent container. The big shed is set cascade supporting; the transparent container is set qi of chong channel ascending adversely setting. The big shed includes supporting wall, supporting framework, photic film. It is set heating, exhaustion installation, purger, lighting device, and humidity control device. Its gateway is set buffering room, changing room. The screw algae are not easy to be harmed by pollution and damage by disease and insect. So it has better market and practice generalization application value.

A soft-shelled turtle feed containing egg yolk and fish oil comprises the following raw materials in parts by weight: ginger oil 0.1-0.2, spirulina 1-2, oat flour 30-40, soy bean protein powder 10-20, egg yolk powder 6-8, chestnut 5-8, orange peel 2-4, Ligusticum chuanxiong Hort 1-2, flos sophorae immaturus 1-2, brown rice 5-15, kalimeris indica 8-10, amaranth leaves 4-6, salicornia europaea 4-6, clover 3-5, lecithin 1-2 and fish oil 1-2. The soft-shelled turtle feed contains health raw materials such as kalimeris indica, salicornia europaea and clover, and moreover the salicornia europaea has the oxidation resistance, anti-inflammation and immune regulation effect, and the health growth of soft-shelled turtle can be promoted.

The invention provides a method for culturing spirulina by using livestock and poultry excrement wastewater, belonging to the fields of sewage treatment and algal culture. The method comprises the following steps: (1) pretreatment of livestock and poultry excrement wastewater: filtering, and sterilizing the filtrate to obtain a culture solution; (2) domestication of spirulina: inoculating an alga strain into fresh water or sea water, and performing domestication culture; (3) culture of spirulina: inoculating the spirulina in a logarithmic growth phase of the step (2) into the culture solution of the step (1), and culturing; (4) collection of spirulina: filtering the spirulina cultured in the step (3), cleaning, collecting the spirulina, and then drying the spirulina; and (5) filtrate recovery. The method provided by the invention solves the problems that the livestock and poultry excrement pollutes the environment and the spirulina culture cost is high. The method can realize the triple effects of protecting the environment, lowering the spirulina culture cost and producing nutrient substances required by human beings.

The invention discloses a seawater spirulina selenium-rich culture method. The method comprises the following steps of: selecting one or combination of more of the seawater-naturalized spirulina platensis, spirulina maxima and microcystis aeruginos as the algae seed; based on the natural seawater, artificial seawater or the mixture of the two at any ratio, adding a selenium element with concentration of 1-160mg / L to serve as a culture medium; inoculating the algae seed into a photobioreactor containing the culture medium for culture; and then collecting the cultured spirulina body to obtain the seawater spirulina which is the selenium-rich seawater spirulina. Through the invention, the method is simple, the selenium addition concentration is low, the culture medium can be recycled for a long time, the operation is simple and convenient, the selenium enrichment ability is strong, the cost is low, the method is green and safe, etc. The bioactive substance of the seawater spirulina generates a synergistic effect with organic selenium in the algae body to realize the function, and can be applied to various diseases caused by selenium lack and oxidative damage of oxygen free radical for the selenium supplement additive, oxidation resistance, aging resistance, tumor resistance, Keshan disease prevention and treatment and the like.

The invention provides a composition for removing moss and a preparation method of the composition. The composition is constituted by a biological algae inhibiting element, plant ash and clinoptilolite powder in parts by weight: 0.2-1 part of biological algae inhibiting element, 100-500 parts of plant ash and 500-900 parts of clinoptilolite powder; the above components are mixed uniformly to form the composition; through reasonable formulation, the composition for removing the moss can be used as a substituent of prometryn to kill filamentous algae such as spirogyra, hydrodictyon, chaetophora and bottleneck algae, and has preventing efficiency on filamentous algae diseases produced in sea cucumber cultivation to a certain extent. The algae killing effect of the composition provided by the invention is far superior to that of compounds such as copper sulfate, potassium permanganate, potassium ferrate and sodium ferrate, the pesticide effect is high and the dosage is extremely small, the environment is not damaged, the residual problem of existing chemicals is resolved, the use is safe, and the composition is an environment-friendly product; and the preparation method is simple and is suitable for the need of large-scale industrial production.

The invention discloses a feeding method of reducing the disease and insect pest occurrence of stichopus japonicus. The method comprises the steps of building a stichopus japonicus feeding pond and a substratum; building the pond suitable for the growth of the stichopus japonicus and throwing stichopus japonicus seedlings into the pond by combining with the actual conditions according to the biological habit requirements of the stichopus japonicus; under the general condition, the state that big seedlings of over 600 heads / kg are thrown in the pond in a specification of 10 heads / m<2> to 20 heads / m<2> is proper, and if the specification is larger, the throwing amount in unit area can be smaller; the feeding feed formula comprises 20-25 parts of animal protein hydrolysate dry powder, 15-20 parts of meat and bone meal, 20-22 parts of soybean meal, 4-6 parts of honeysuckle, 2-3 parts of medicated leaven, 3-5 parts of angelica sinensis, 2-3 parts of soya bean lecithin, 1-2 parts of alginate-derived oligosaccharide, 1-2 parts of vitamin C, 1-2 parts of spirulina, 2-3 parts of lupulus, 3-5 parts of tea saponin, 2-3 parts of fructus cnidii, 3-4 parts of fructus ulmi, 1-2 parts of golden larch bark. The management of the stichopus japonicus seedlings is that when winter comes, the water depth of the pond is properly increased, and the change of dissolved oxygen and substrate and the prevention and control of seaweeds must be paid attention to; when the water temperature of the pond rises at spring, the transparency of the water is reduced by fertilizing the water, and the breeding of the seaweeds is controlled.

The invention discloses an ex-situ conservation cultivation method of water shield, belonging to the cultivation field of plants. The method comprises the following steps: moving the winter bud stem of water shield into an underwater substrate at a water shield destination area for cultivation; and keeping the flow rate of water to be 1100-1900 mL / min. According to the ex-situ conservation cultivation method of water shield provided by the invention, the amount of spirogyra accreting with water shield is controlled by controlling the water flow rate in the growing environment of water shield; since the water shield is in an inferior position in the competition of water shield and spirogyra, a large amount of spirogyra is propagated so that the survival rate of water shield is low; the water flow rate in the growing environment of water shield is controlled so that the water quality is improved, more importantly, the amount of spirogyra is reduced by increasing the water flow rate, the survival rate of water shield ex-situ conservation is increased, and the ex-situ conservation cultivation of water shield is realized.

The invention relates to mutation-preventing almond tea oil which is prepared from the following raw materials in parts by weight: 230-250 parts of camellia seeds, 50-60 parts of almond, 45-55 parts of mung beans, 40-50 parts of grape seeds, 8-10 parts of spiral seaweed, 5-7 parts of gynostemma pentaphylla, 5-6 parts of tribulus terrestris, 3-5 parts of dandelion, 6-8 parts of Chinese caterpillar fungus and the like, wherein the almond contains vitamin B17, thus the mutation-preventing almond tea oil has a mutation-preventing effect; meanwhile, in a preparation process, essences of the grape seeds and the spiral seaweed are added, thus the mutation-preventing almond tea oil has good functions of scavenging free radicals and enhancing the immunity; meanwhile, the gynostemma pentaphylla and setose thistle are added, thus the mutation-preventing almond tea oil has good functions of resisting ageing and relieving the internal heat or fever, and is suitable for being eaten by various crowds.

The invention discloses a blue green algae growth inhibitor which comprises the following components by weight: 10%-25% of plant extract, 1.5%-5% of a blue green algae complexing agent, 1.5%-3% of blue green algae growth inhibin, 20%-35% of a synergist, 1%-10% of rare earth, 30%-40% of diatom forming soil, 2.5%-8.7% of a bio-enzyme microbial inoculums and 0.5%-10% of humic acid powder. The blue green algae growth inhibitor can be used for killing blue green algae in a long time, and can deprive compulsively blue green algae cell thylakoid pseudo telescopic function for solidifying, sinking, rigidifying and dying of blue green algae cells, eliminating of water bloom and purifying of water quality. The blue green algae growth inhibitor can effectively kill spirogyra, hydrodictyon, chaetophora and bottleneck algae and other mud moss filamentous capsules in an aquaculture pond, and can eliminate a large number of algae attached to meshes in cage culture, and after biological algae removal, beneficial algae and beneficial microorganisms are recultivated to add nutrition balance elements for reactivating the water quality.

The present invention relates to biomass and polysaccharide accumulation through spirulina culture, specifically to spirulina culture using the control of the addition of a nutritional salt so as to concurrently accumulate biomass and polysaccharides. According to the present invention, spirulina cells cultured to achieve a exponential growth phase are transferred into a nutrition limiting culture medium, natural illumination or artificial illumination is performed, culture is performed to achieve a stable phase, and the spirulina cells are harvested, wherein the biomass yield is 1-4 times the biomass yield of the culture under the rich nutrition condition, the polysaccharides yield is increased by 0.8-20 times compared to the culture under the rich nutrition condition, and the polysaccharide content achieves 45-80% of the spirulina dry weight, and is increased by 2-6 times compared to the culture under the rich nutrition condition; and the contradiction that the spirulina biomass and the polysaccharide cannot be concurrently accumulated is solved, the rapid and efficient spirulina polysaccharide production is achieved, the advantages of low nutrition salt consumption, low production cost, high polysaccharide content and the like are provided, the downstream processing operations are easily simplified, and the industrial production of the spirulina polysaccharide can be promoted.

The invention discloses an extraction and determination method of crude polysaccharide in ganoderma spirulina, which comprises the following steps: weighing ganoderma spirulina samples accurately and putting the samples into a great capacity centrifuge tube, adding ethanol aqueous solution and mixing evenly, carrying out ultrasonic extraction and centrifugation, and discarding solution; adding the ethanol aqueous solution to the obtained sediment, vibrating and mixing evenly, carrying out ultrasonic extraction and centrifugation, precipitating, then moving to a round bottomed flask after adding water, after extraction in boiling water bath, filtering, bringing filtrate to volume, and determining the content of the crude polysaccharide by phenol-sulphuric acid method by taking glucose or dextran standardized products solution as a reference material. The method has simple steps, is accurate, has high sensitivity and is especially appropriate for the extraction and determination of the crude polysaccharide in the ganoderma spirulina which is health food and does not contain disruptors, dextrin, starch and the like.

The invention discloses Taiwania flousiana Gaussen with herbicidal activity and an application of Taiwania flousiana Gaussen and an application of a Taiwania flousiana Gaussen extract as a herbicide. The research finds that the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have the efficacies of remarkably inhibiting germination, synthesis of chlorophyll a and growth of multiple classical farmland weeds, invasive weeds and aquatic weeds such as crab grass, amaranthus retroflexus, tropic ageratum herb, feather cockscomb, Bidens pilosa, mikania micrantha, Pistia stratiotes and spirogyra, have remarkable inhibition effects, can be applied to the prevention and kill-off of the farmland weeds and can be developed into efficient and pollution-free environment-friendly herbicides, or a lead compound is provided for the creation of novel herbicides; and the Taiwania flousiana Gaussen and the Taiwania flousiana Gaussen extract have remarkable social and economic benefits and good application prospects.

A full-nutritive wheat flour contains wheat flour (83-93 wt portions), soybean powder (4-8), millet flour (3-5), sweet potato starch (0.5-1.5), lotus root starch (0.1-0.3), walnut powder (0.3-0.7) and spirulina (0.25-0.35). Its advantages include rich nutrients and trace elements, good enjoyment to eat it, good appearance and balanced nutrition to improve resistance to diseases.

The invention relates to the technical field of LED lighting, in particular to a modular seawater algae LED cultivating lamp. The modular seawater algae LED cultivating lamp comprises a plurality of LED light source modules of different wave bands. The LED light source modules are connected in pairs to form a light source body, light emitted by the light source body basically accords with the light spectrum absorbed by spiral seaweeds, and the optical energy utilization efficiency is improved. The center of the light source body is provided with connection through holes. The connection through holes are fixedly connected with lamp caps. The LED light source modules are electrically connected with the lamp caps respectively. The light-emitting angle of the LED light source modules ranges from 115 degrees to 120 degrees, and the emitted light rays intersect with one another; the intersecting light rays are transmitted into seawater to form a photosynthesis layer, light is supplemented for growth of the spiral seaweeds, the oxygen content of the spiral seaweeds in seawater is increased, growth of the spiral seaweeds can be better promoted, the cultivating lamp has wide application prospects, and marketed utilization and popularization are facilitated.

A crossbreed method for different geographical species parti-colour abalone, which relates to a genetic improved method for parti-colour abalone, especially relates to a crossbreed method using different geographical species parti-colour abalone which comprises, putting the abalone in 16-18Deg C. sea water and elevating temperature to make the parent abalone accelerate. The bait comprises gracilaria 100, Ulva lactuca 30-60, pinnatifida 20-50, spirulina 1-15. Injecting 5-hydroxytryptamine to the head or abdominal feet of the parti-colour abalone, and making the lay eggs and discharge spermium synchronous with a different geographical parti-colour abalone. Making artificial insemination and getting filial generation. and guaranteeing the survival rate during the line haul, making a two species parent parti-colour abalones mature in a same time by using reasonable bait breeding; Using ejecting 5-hydroxytryptamine to make the gamete discharge in a same time and overcome the physiological difference of gamete discharging and sexual maturity because of geographic isolation of different geographical species, and making the gonadal mature and gamete discharge at the same time.

The invention relates to a strawberry culture medium, in particular to a special soilless culture medium for strawberries. According to the special soilless culture, an upper-layer medium is prepared by mixing green algae, spirogyra, zinc ash, manganese ash and silica fume, a middle-layer medium is prepared by mixing rotten wood, brewer's grains and apple pomace, and high-phosphate slag powder is taken as a bottom-layer medium. Waste is taken as a medium raw material, waste natural resources are sufficiently utilized, environmental pollution is reduced, the special soilless culture medium contains higher trace elements such as zinc, manganese and the like and meets the demands of strawberries for microorganism elements, the medium continuously and slowly releases nutritional ingredients in the planting process, accordingly, the phenomena of overnutrition at the earlier stage of strawberry planting and nutrition deficiency in the later planting period of the strawberries cannot be caused, the nutrition demand of the strawberries in the whole growth period is met, outside fertilization is not required in the culture process, all that is required is to meet the daily water demand, the medium can rapidly dredge water, microbial source germination of powdery mildew, gray mold and anthracnose is avoided, root growth of the strawberries can be promoted, a protective layer is formed on the surfaces of root systems, and the disease-resistant capability of seedlings is improved.

The invention discloses a feed for a laying and meat free-range chicken and a preparation method for the feed. The feed comprises the following raw materials in parts by weight: 200-300 parts of corn flour, 150-200 parts of glutinous rice flour, 100-150 parts of malt, 50-60 parts of millet bran, 50-70 parts of perilla seed meal, 30-40 parts of pine nuts, 20-30 parts of peas, 70-90 parts of ground meat, 10-20 parts of canned food, 70-90 parts of sweet potato leaves, 50-60 parts of cowberry leaves, 40-50 parts of spirulina platensis, 20-30 parts of tender cauliflower stems, 30-40 parts of cucurbita pepo, 20-30 parts of radishes, 10-20 parts of elaeagnus conferta roxb, 20-30 parts of tomatoes, 10-12 parts of cosmos bipinnatus, 5-7 parts of sarcodia montagneana, 0.02-0.05 parts of salt and 1-2 parts of a free-range additive. The raw materials are green and natural; the feed is finely prepared and is healthy in nutrition and easy to digest; the free-range chicken is high in growth and development speed, uniform in individual development, strong, healthy, well-developed in muscle, high in meat yield, high in egg yield and long in peak laying period; an egg of the free-range chicken is mellow and aromatic in smell, greasy in yolk and delicious in taste; meat of the free-range chicken is soft, smooth, tender, delicious in taste and rich in nutriment.

The invention relates to manual compound feed for a parent sea cucumber, as well as a manufacturing method and a using method of the feed. The compound feed comprises components of raw materials in parts by mass as follows: 20-30 parts of sargassum thunbergii, 20-30 parts of sargassum, 10-20 parts of white fish meal, 10-20 parts of scallop skirt powder, 5-10 parts of fermented bean meal, 1.0-2.0 parts of fish oil, 2.0-3.0 parts of spirulina, 0.5 part of compound vitamin, 0.5 part of a compound trace element, 1-2 parts of lecithin and 0.005-0.01 part of vitamin E. The manual compound feed for the parent sea cucumber contains enough nutrient substances required by growth and development of a parent sea cucumber during the conservation period, and obviously strengthens special nutrient substances such as lecithin, vitamin E and the like, which are required by development of gonad and sexual cells; not only can the weight gain rate of the parent sea cucumber be improved by over 10%, but also the fish brood amount of the parent sea cucumber can be increased; and the hatching rate of eggs laid by the parent sea cucumber fed by the feed is increased by over 15%, the survival rate of a larva is improved by 20%, and the manual compound feed for the parent sea cucumber is special and efficient.

The invention discloses a spirulina peptide bio-organic fertilizer. The raw materials of the fertilizer include rice hulls, spirulina waste, livestock manure mixture (optional), protease and microbial fermentation agent. The main components of the organic fertilizer include 48% of organic matter (dry basis), 10.9% of total nutrient (containing polypeptide) (dry basis), 3.7% of total nitrogen (N)(dry basis) and 5.6% of phosphorus pentoxide. The fertilizer includes rich organic matter, the formation of soil aggregate structure can be promoted after fertilization, the fertile ground rooting can be implemented through large amount of beneficial bacteria, the soil temperature can be maintained, damage of soil caused by fertilization for years can be restored, the harmful bacteria of the soil can be devoured by the various beneficial bacteria, the effects of sterilization and disease resistance are achieved for crops, the effect of combining fertilizer and drugs is achieved, and the effects of seedling strengthening and yield increase can be achieved accordingly.

The invention discloses a spirulina culture method, which comprises the following steps of (1) putting a solid culture medium into a sterilization pot to be steamed and boiled; (2) performing inoculation: spreading algae species of spirulina into the culture medium in a fully automatic pollution-free room; after the inoculation is completed, automatically and uniformly stirring the materials; (3) performing three-dimensional culture on the spirulina to obtain spirulina liquid; (4) performing harvesting, washing and concentrated dewatering; performing spray drying; completing the culture; (5) sieving the cultured materials to prepare the scaled culture spirulina. The spirulina culture method has the advantages that the germ content is low; the culture efficiency is high; high efficiency and health are realized; the energy consumption is low; the precipitation and the wall attachment of the spirulina are reduced; the collecting rate of the spirulina is improved; the scaled culture of the spirulina can be realized.

The invention relates to a refined forage for enhancing the immunity of raccoon dogs. The refined forage comprises the following raw materials, by weight, 40-45 parts of corn, 20-25 parts of soybean meal, 20-25 parts of fish meal, 3-5 parts of blood powder, 3-5 parts of bone meal, 1-3 parts of edible oil, 1-2 parts of lysine, 1-2 parts of threonine, 0.5-1 part of calcium hydrogen phosphate, 0.5-1 part of a composite vitamin, 0.1-0.5 parts of composite trace elements, 0.5 parts of salt, and 0.05-0.1 parts of spirulina. The refined forage is obtained through mixing and uniformly stirring the raw materials. The forage has the advantages of scientific compatibility, scientific calculation in proportioning, overcoming of the disadvantages comprising single nutrition and bad disease resistance of present forages, shine fur color and uniform and thick under hair of raccoon dogs, and improvement of the quality of the raw material for fur products.