51results about How to "Improve index" patented technology

The invention provides laying hen compound biological feed additive, and belongs to the technical field of feed science and feed additives. The feed additive is compoundly prepared by feed grade fluvic acid, worm powder, fermented frass, an extractive compound preparation, a microecologic preparation and carriers by a certain ratio. Premix of the compound biological feed additive is used in the feed of a laying hen. Environment in the digestive tract of livestock and poultry can be regulated and controlled, intestinal flora balance in an organism can be regulated, the organism immunity can be improved, and the feed additive has the properties of being antimicrobial and anti-stress, and improving immunity and production. The feed additive is added into daily ration of the laying hen to improve the laying capacity and the immunity of the laying hen, improve the feed conversion rate, and then to reduce drug residue and improve egg quality. The compound biological feed additive is a safe and reliable and green environmental protection feed additive product, and the application prospect is good.

The invention discloses a strain called acid-producing bacillus cereus, which is collected in the China center for type culture collection, with the preservation number of CCTCC M 2011352, on October 16th, 2011. The strain can be used for preparing micro-ecological preparations. During application, acid-producing bacillus cereus powder can be used as an individual effective component to be mixed with corn starch to prepare the micro-ecological preparations, or is mixed with at least one other effective component or strain powder and corn starch to prepare composite micro-ecological preparations. The invention further provides a composite micro-ecological preparation M3 which is prepared by three high-temperature-resistant strains including bacillus subtilis N9-1-35, clostridium butyricum Cb-2, the acid-producing bacillus cereus and corn starch according to the mass ratio of 1:2:2:5, wherein the viable counts of the strain powder are larger than or equal to 1.0X109cfu / g, 5.0X108cfu / g and 5.0X108cfu / g respectively.

The present invention relates to medicine composition extracted from Paeonia lactifora Pall and containing the active components paeoniflorin and albiflorin in the total content of 50-95 % and weight ratio of 0.1-10. The composition is suitable for being prepared into various medicine preparations, including delayed releasing preparation, controlled releasing preparation, body cavity administrated preparation, spray, transdermal preparation, oral preparation, injection and transfused fluid preparation alone or together with other medicine components. The composition is suitable for preparing medicine for treating leucopenia, throbocytopenia and achreocythemia of different causes.

The invention relates to the biotechnological field of poultry, and particularly relates to a feed for laying hens. The feed comprises the following components in parts by weight: 20-30 parts of corn powder, 20-30 part of wheat bran, 10-15 parts of DDGS (distillers dried grains with soluble), 15-20 parts of millet powder, 10-20 parts of pumpkin powder, 15-25 parts of spinach leaves, 0.05-0.10 part of complex vitamin, 0.05-0.10 part of trace elements, 0.1-1.0 part of compound amino acids, and 3-5 parts of Chinese herbal medicine additives. The feed has the beneficial effects that the laying rate of the laying hens fed by the feed is over 90%, is increased by more than 24% compared with that of the laying hens fed by a common feed, the yolk index of eggs is increased by more than one time compared with that of eggs of the laying hen fed by the common feed, so that the quality of the egg is improved greatly; with the observation after 200 days, the laying hens fed by the common feed stops laying the eggs after 400-450 days, while 81.3% of the laying hens fed by the feed still lay eggs on 500th day as normal, the egg producing period is greatly prolonged, the use ratio of the laying hens is increased, and the benefits are greatly improved.

The invention discloses a compound biological feed additive for dairy cows, and belongs to the technical fields of forage science and feed additives. The feed additive disclosed by the invention comprises a feed-grade fulvic acid, a Chinese medicinal herb extract, probiotics and a carrier. The feed additive disclosed by the invention is capable of enhancing the immunity of dairy cows, significantly improving the milking performance, solving the problem of milk supply shortage, improving the milk quality and reducing the bad effects on people and environment caused by the dairy cows after being added to diet of dairy cows, is a novel safe, reliable and green feed additive product, and has a good application prospect.

The invention discloses a strain called acid-producing bacillus cereus, which is collected in the China center for type culture collection, with the preservation number of CCTCC M 2011352, on October 16th, 2011. The strain can be used for preparing micro-ecological preparations. During application, acid-producing bacillus cereus powder can be used as an individual effective component to be mixed with corn starch to prepare the micro-ecological preparations, or is mixed with at least one other effective component or strain powder and corn starch to prepare composite micro-ecological preparations. The invention further provides a composite micro-ecological preparation M3 which is prepared by three high-temperature-resistant strains including bacillus subtilis N9-1-35, clostridium butyricum Cb-2, the acid-producing bacillus cereus and corn starch according to the mass ratio of 1:2:2:5, wherein the viable counts of the strain powder are larger than or equal to 1.0X109cfu / g, 5.0X108cfu / g and 5.0X108cfu / g respectively.

A Chinese medicine for treating coronary heart disease and angina pectoris is prepared from 11 Chinese-medicinal materials including leech, red peony root, Chuan-xiong rhizome, astragalus root, etc.

The invention provides a dictionary indexing method for implementing space optimization through 16-bit Trie trees. The method comprises the following steps: generating a dictionary index of the 16-bitTrie tree; inputting a to-be-operated keyword key according to a user; and indexing according to the current state of the keyword key. Dictionary data of the 16-bit Trie tree is constructed under a mapping table structure, it can be ensured that the complexity is not changed basically while the space of the Trie tree is optimized, the speed of construction and indexing of a dictionary and the speed of modifying and deleting are increased, the keyword key can be searched quickly, moreover, the dictionary indexing of the 16-bit Trie tree is realized with the aid of the mapping table, and the problems that a common double-array Trie tree dictionary index is constructed complicatedly, and a dictionary cannot be modified at any time and cannot be traversed can be solved. By the dictionary algorithm, the dictionary can be modified and traversed at any time, sequencing can be implemented while construction, and after specific optimization, the dictionary algorithm can be used as an index fora file system or photos.

The invention relates to a reinforced formula food for postoperative patient recovery and a preparation method thereof. The reinforced formula food comprises the components in parts by weight: 20 to 60 parts of whey protein, 2 to 10 parts of bioactive peptide, 0.01 to 10 parts of tea powder, 1 to 15 parts of amino acid, 10 to 45 parts of dietary fiber, 10 to 35 parts of a filler, and 0.5 to 3 parts of a stabilizer. The preparation method includes S1: compounding; S2: mixing; S3: sterilization; S4: spray drying; and S5: packaging. The reinforced formula food not only can supplement protein, butalso promotes muscle protein synthesis, improves intestinal function, and clears obstacles for food delivery.

The invention relates to a process for refining isosorbide mononitrate. The refined isosorbide mononitrate is used for preparing compound medicine for angina. The medicine comprises 1 part of isosorbide mononitrate, 50 parts of radix pueraiae, 50 parts of corydalis yanhusuo, 50 parts of red peony roots, 45 parts of salviae miltiorrhizae, 45 parts of sappan caesalpinia, 45 parts of panax notoginseng, 40 parts of ligusticum wallichii, 40 parts of rhizoma cyperi, 40 parts of cinnamon, 40 parts of polygala amflra, 35 parts of dandelion, 35 parts of achyranthes bidentata, 35 parts of rhizoma acori talarinowii, 30 parts of poria cocos, 30 parts of moutan bark, 30 parts of lily, 25 parts of epimedium herbs, 25 parts of fresh ginger and 25 parts of Chinese magnoliavine fruits. The compound isosorbide mononitrate medicine composition can comprehensively treat the angina, is small in side effect, low in price and easy and convenient to make and has broad application prospects.

The invention relates to the field of foods, and discloses a probiotic tablet with an immunity enhancing function and a preparation method of the probiotic tablet. The tablet comprises lactobacillus helveticus freeze-dried powder, acerola cherry powder, a direct-compression auxiliary material and magnesium stearate, can improve in-vitro splenic lymphocyte proliferation and interleukin IL-12 secretion of splenic lymphocytes, promotes human colon cancer epithelial cells HT-29 to secrete interleukin IL-8, and can be used for enhancing immunity. The selected lactobacillus helveticus WHH2580 strainhas excellent acid resistance, cholate resistance and adhesion performance; after the strain is inactivated, the immunity of the organism can still be improved by improving and regulating the organ index, the non-specific immunity and the specific immune response of the organism, so that the product stability and the shelf life of the strain are longer.

The invention discloses an application of codonopsis pilosula, rhizoma atractylodis macrocephalae, poria and liquorice powder in preparing medicament for improving immunity of rabbits. According to the application, the codonopsis pilosula, rhizoma atractylodis macrocephalae, poria and liquorice powder accounting for 1-5 percent of the weight of basic ration is added into the basic ration, the basic ration is fed to rabbits, and the rabbit sacculus rotundus index, thymus index, spleen index or dendritic index of a rabbit can be increased, the immunity of the rabbit can be improved, the expression quantity of an antifungal protein gene can be increased, and theoretical direction is provided to the codonopsis pilosula, rhizoma atractylodis macrocephalae, poria and liquorice powder in improving rabbit immunity.

The invention discloses a traditional Chinese medicine composition for improving immunity of livestock and poultry, wherein the traditional Chinese medicine composition is prepared from the following raw material medicines by the mass percentage: 3.48-8.70% of sclerotium xylariae nigripis, 8.70-26.09% of radix astragali, 8.70-17.40% of humifuse euphorbia herb, 5.22-26.09% of gomphostemma arbusculum, 4.35-13.04% of herba gerberae piloselloidis, 8.70-13.91% of clinopodium chinense, 1.74-3.48% of solidago virgaurea, 8.70-13.91% of agrimonia root and herb, 2.61-7.83% of sword bean, and 4.35-13.04% of fructus rosae laevigatae. The components are made into a powder or other preparations in accordance with the ratio. Multiple traditional Chinese medicines are in compatible use, are cooperative each other, are complemented with each other and have combined action to show the effects of tonifying qi, securing exterior, invigorating splenic yang, clearing heat, removing toxic materials and the like, can improve the immunity of the livestock and poultry, prevent generation of common diseases of the livestock and poultry and promote the growth of the livestock and poultry; the traditional Chinese medicine composition has the advantages of significant disease prevention effect, mild action, and no toxic or side effects; livestock and poultry products have no drug residues; the traditional Chinese medicine additive has the advantages of simple production process, convenience in use, easily obtained raw materials, low price, and green environmental protection, and is an ideal animal health product.

The invention relates to a compound isosorbide mononitrate and a preparation technology thereof. The compound isosorbide mononitrate is prepared from the following raw materials according to parts by weight: 0.3 part of isosorbide mononitrate, 25 parts of astragalus mongholicus, 20 parts of ligusticum wallichii, 15 parts of antler and 12 parts of trichosanthes kirilowii maxim. According to a general medicine preparation method, a starch edible cellulose medical auxiliary material is added to obtain dosage forms, such as capsules, tablets, granules and the like. The compound isosorbide mononitrate composite disclosed by the invention treats both principal and secondary aspect of stenocardia, is nontoxic and harmless to the human body, has the advantages of no side effect, low cost and wide application prospect and is convenient to manufacture.

The invention provides an LED light source with an adjustable color temperature color rendering index. The LED light source comprises a first blue light LED chip, a second blue light LED chip, a green light LED chip and a red light LED chip, wherein the first blue light LED chip is fixed on a substrate and used for exciting a first fluorescent powder glue layer and then exciting second fluorescent powder glue, the second blue light LED chip is used for exciting the second fluorescent powder glue, the green light LED chip is used for exciting the second fluorescent power glue, and the red light LED chip is used for exciting the second fluorescent powder glue. The invention relates to a manufacturing method of the LED light source with the adjustable color temperature color rendering index. The color temperature color rendering index meeting the user requirement can be obtained by adjusting the current proportion, so that the fluorescent powder excitation spectrum is effectively controlled, the maximum visual efficiency LER of the product is improved, and the light source color rendering index is optimized. The color temperature can be changed within a certain range by adjusting the current proportion through multi-path control, the color coordinates are kept within the standard deviation on the Planckian locus, and the color-temperature-adjustable high-color-rendering-index white-light LED with the color rendering index and the LER improved to a certain degree and the light color evenly distributed is achieved.

The present invention relates to a drug to treat coronary artery disease and the preparation method, borneol is weighed, smashed and passed through 100 mesh screen, then the borneol is heated at 40 DEG C to 65 DEG C along with the Chinese insect wax to be made into a solid dispersion system, so as to change the solubility of the borneol and prevent the precipitation of the borneol; the storax, refined fish oil and vitamin E are weighted in proportion and are mixed evenly, then the borneol after the dispersing process is added, mixed and agitated evenly, after that, gelatin, glycerin, and water are mixed evenly in proportion, heating at 60 DEG C to 70 DEG C to prepare the capsule material of the soft capsule, then the thermal insulation and degassing are carried out for 15 to 45 minutes. The invention takes the storax, borneol, refined fish oil and vitamin E as the raw materials, the soft capsule preparation which is made by compression can remove the obstruction, regulating qi-flowing for relieving pain, which is used for chest blockage, chest tightness and pains caused by qi stagnation and blood stasis, heart vessels obstruction; as well as the coronary heart disease and angina with the symptoms thereof. The drug combines the functions of first aid, prevention and treatment, which can also overcome the shortcomings of other types of drugs.

The invention relates to a traditional Chinese medicine composition for angina pectoris and a preparation method thereof. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 30 parts of panax notoginseng, 30 parts of flos inulae root, 30 parts of polygala root, 28 parts of mulberry fruit, 28 parts of radix ophiopogonis, 27 parts of radix astragali, 27 parts of rhizoma sparganii, 25 of folium ginkgo, 25 parts of salvia miltiorrhiza, 25 parts of cornus officinalis, 22 parts of nobile dendrobium, 22 parts of japonica rice, 20 parts of radix polygoni multiflori, 20 parts of humifuse euphorbia herbs, 20 parts of nux vomica, 20 parts of cape jasmine, 20 parts of fingered citron, 18 parts of radix clematidis, 17 parts of angelica sinensis, 17 parts of notopterygium roots, 15 parts of fructus amomi rotundus, 15 parts of semen euryales, 15 parts of fructus rosae laevigatae, 15 parts of fructus lycii, 10 parts of root kudzuvine, 10 parts of myrrh, 10 parts of dandelion and 10 parts of rhizoma atractylodis. The traditional Chinese medicine composition disclosed by the invention treats both symptoms and root causes of angina pectoris, has no side effect, toxicity or harm to the human body, low in price and simple to prepare; therefore, the traditional Chinese medicine composition has a broad application prospect.

The invention relates to the technical field of food, and discloses normal-temperature long-shelf-life sucrose-free yoghourt capable of improving immunity and a preparation method of the normal-temperature long-shelf-life sucrose-free yoghourt. The normal-temperature long-shelf-life sucrose-free yoghourt capable of improving the immunity comprises raw material milk or milk powder and functional component capable of improving the immunity, wherein the immunity-improving functional component at least comprises lactobacillus helveticus and / or a mutant thereof. The yoghourt disclosed by the invention is prepared by fermenting cow milk or reconstituted milk through lactobacillus helveticus, and is compounded with various natural functional components for improving the immunity, so that the immunity of a human body can be improved after the yoghourt is eaten for a long time; and moreover, the lactobacillus helveticus WHH2580 used in the yoghourt still has the effect of enhancing the immunityin an inactivated state, so that the yoghourt disclosed by the invention can be normally stored at normal temperature, does not need to be refrigerated, and is long in shelf life.

The invention relates to a Chinese medicine for treating stenocardia, which is prepared by the following raw materials with the weight ratio, astragalus mongholicus 25 parts, red flowers 20 parts, ligusticum wallichii 20 parts, antler 15 parts, fructus ligustri lucidi 12 parts, radix angelicae 10 parts, ginseng 10 parts, coptis chinensis 8 parts, trichosanthes kirilowii maxim 5 parts and radix ophiopogonis 3 parts. After starch edible cellulose medical auxiliary materials are added into the raw materials according to a general pharmaceutical method, capsules, tablets, granules and the like are prepared. The medicine composition treats both principal and secondary aspects of stenocardia, is innocuous and unpoisonous to human bodies, has no side effect, and has low price, convenience in preparation and wide application prospect.

The invention relates to a traditional Chinese medicine compound preparation capable of improving hematopoietic function. The raw materials include: 30-60 parts of astragalus, 9-18 parts of angelica, 15-24 parts of Ligustrum lucidum, 15-24 parts of medlar, and 15-24 parts of curculigo 15-24 parts of Epimedium, 9-18 parts of Polygonatum, 15-24 parts of Jiao Shenqu, 15-24 parts of Jiao Hawthorn, 15-24 parts of Jiao Malt, 15-24 parts of Fried Atractylodes Rhizome, 9-18 parts of Chenpi, Poria cocos 9‑18 parts, jujube 3‑9 parts. Granules can be prepared by conventional methods. During preparation, decoct the 14 raw materials with water twice, each time for 1.5 hours, combine the decoction, filter, and concentrate the filtrate into a clear paste with a relative density of 1.25-1.30 (60°C); dry under reduced pressure at 70°C, and pulverize into a fine powder; then add dextrin to mix, granulate; dry at 60°C to obtain. The invention replenishes qi and invigorates the spleen, nourishes blood and promotes body fluid, promotes the hematopoietic function of the body, can improve the hematopoietic function of the body, increase white blood cells, and reduce the toxic and side effects of chemotherapy drugs.

The present invention relates to quercetin treatment process of raising self-compatible index of cabbage. Quercetin solution of 500-1500 micromol / L concentration is sprayed to the bud of self-incompatible cabbage material to block the conducting of self-incompatible signal and overcome the self-incompatibility of cabbage. The said method is established on the basis of molecular mechanism, so that it has the features of less consumption, sensitive reaction, etc. The present invention has greatly raised self-compatible index or even conversion to self-compatible line.

The invention provides a traditional Chinese medicine compound preparation for preventing and treating climacteric syndrome, and belongs to the field of traditional Chinese medicine. According to thetraditional Chinese medicine compound preparation, ligustrum lucidum ait, fructus lycii, radix ophiopogonis, white peony root, mulberry leaf, chrysanthemum and cortex lycii radicis are used as bulk pharmaceutical chemicals for composition, so that the efficacy of each medicine is synergistic, and the effects of nourishing liver and kidney and clearing heat and benefiting Yin are achieved. The results of pharmacodynamic experiments show that the traditional Chinese medicine compound preparation has a certain prevention and treatment effect on the climacteric syndrome. The medicine is made of pure natural Chinese medicinal materials as raw materials and is prepared into an oral preparation by using the conventional pharmacological process and auxiliary materials, and the traditional Chinesemedicine compound preparation for preventing and treating the climacteric syndrome is safe and non-toxic, and is further an ideal health care product.

The invention discloses an application of antrodia camphorata polysaccharide in preparation of an anti-LPS stress feed for yellow feather broilers. The action mechanism of the antrodia camphorata polysaccharide in resisting oxidation and improving intestinal health and growth performance is researched, the application of the antrodia camphorata polysaccharide is widened, and a foundation is laid for the application of the antrodia camphorata polysaccharide in the breeding industry.

The invention discloses a traditional Chinese medicine formulation for promoting growth and development of viscera of young poultry and a preparation method thereof. The traditional Chinese medicine formulation is composed of 10-30 parts of astragalus, 10-30 parts of licorice, 8-16 parts of white atractylodes rhizome, 8-16 parts of Chinese parsnip root, 8-16 parts of poria cocos, 3-10 parts of kuh seng, 8-16 parts of motherwort and 3-10 parts of chinaberry fruit, wherein Chinaberry fruit is prepared by frying. The traditional Chinese medicine formulation can improve heart-lung function, enhance blood circulation, protect myocardium, increase blood oxygen content and protect liver, can protect liver cells, promote liver cell regeneration, improve liver detoxifying function and improve immunity, can promote development of immune organs like spleen, bursa of fabricius and thymus gland and induce generation of immune hormones like antibody, interferon and interleukin, and can improve tolerance, like stress to heat, cold and shock, of organisms in bad environment.

The invention relates to a compound immunity-enhancing nutritional food formula and a preparation method thereof, and belongs to the field of nutritional food. The compound immunity-enhancing nutritional food formula comprises sodium alginate, pachyman, coix seed extract, codonopsispilosula, ginsenoside, astragalus polysaccharide, polygonatum, honeysuckle, dandelion, gardenia, peach kernel, saffron, polygonatum, angelica, mulberry brass, yam polysaccharide, endothelium corneumgigeriaegalli, hawthorn flavone, flower substitute, perilla, medlar polysaccharide, sea buckthorn, papaya ferment, dendrobiumofficinale, protein peptide, ossein peptide, arabinose, xylitol and whey protein. The invention has the advantages of tonifying qi and blood, enhancing immunity, invigorating spleen, improving appetite, tranquilizing mind, eliminating toxin in vivo, restoring normal metabolism of a human body, eliminating excessive free radicals, comprehensively supplementing nutrition of the human body, activating phagocytosis of immune cells of the human body, strengthening physique, promoting qi and blood movement, improving sleep, increasing appetite, increasing blood oxygen content, improving immunecell index, reducing diseases and increasing rehabilitation rate.

The invention relates to the biotechnological field of poultry, and particularly relates to a feed for laying hens. The feed comprises the following components in parts by weight: 20-30 parts of corn powder, 20-30 part of wheat bran, 10-15 parts of DDGS (distillers dried grains with soluble), 15-20 parts of millet powder, 10-20 parts of pumpkin powder, 15-25 parts of spinach leaves, 0.05-0.10 part of complex vitamin, 0.05-0.10 part of trace elements, 0.1-1.0 part of compound amino acids, and 3-5 parts of Chinese herbal medicine additives. The feed has the beneficial effects that the laying rate of the laying hens fed by the feed is over 90%, is increased by more than 24% compared with that of the laying hens fed by a common feed, the yolk index of eggs is increased by more than one time compared with that of eggs of the laying hen fed by the common feed, so that the quality of the egg is improved greatly; with the observation after 200 days, the laying hens fed by the common feed stops laying the eggs after 400-450 days, while 81.3% of the laying hens fed by the feed still lay eggs on 500th day as normal, the egg producing period is greatly prolonged, the use ratio of the laying hens is increased, and the benefits are greatly improved.

The invention discloses a compound bacterium agent capable of improving growth properties of animals and the application of the compound bacterium agent. Active components of the compound bacterium agent provided by the invention consist of bacillus subtilis and aspergillus niger. Experiments prove that a microecological preparation for animals, obtained by culturing the compound bacterium agent through fermentation culture mediums is capable of increasing the daily gain of chickens, reducing the feed conversion rate of the chickens, increasing the content of total superoxide dismutase in chicken serum, increasing the thymus index of chickens, increasing the spleen index of the chickens, increasing the bursa fabricii index of the chickens, increasing the content of newcastle disease antibodies in the chicken serum, increasing the content of total protein in the chicken serum, and increasing the content of albumin in the chicken serum.

The invention belongs to the technical field of traditional Chinese medicines, and discloses a traditional Chinese medicine composition, and a preparation method and application thereof. The traditional Chinese medicine composition is prepared by using glossy ganoderma, radix angelicae sinensis, radix astragali seu hedysari and white fungus as raw materials according to a certain proportion; all the components generate a synergistic interaction effect; an obvious improvement effect is achieved on anemia and hypoimmunity; the effect is obviously better than that after each component is singly used. The preparation method of the traditional Chinese medicine composition is characterized in that the glossy ganoderma, the radix angelicae sinensis, the radix astragali seu hedysari and the white fungus are mixed; water is added for extraction; after filtering is performed, extraction liquid is collected; effective ingredients of all the raw materials are reserved to the maximum degree; the operation is simple; the preparation method is suitable for industrial production. The traditional Chinese medicine composition has the advantages that the weight of blood deficiency rat models and the number of red cells are remarkably increased; the hemoglobin and / or serum ferritin level is improved; the effects of replenishing blood and relieving anemia are achieved. Meanwhile, the traditional Chinese medicine composition can increase the number of white cells, improve an animal spleen index and a thymus index and achieve the effect of improving the immunity.

A data management method and device. The method includes: dividing a magnetic disk into a plurality of storage pools logically, with the blocks in the same storage pool being equal in size; providing an ingress index array in the memory which indicates information about each storage pool; grouping the Key in a key value pair Key-Value, the pool index of the storage pool divided in the magnetic disk, and the block index of the block in the storage pool into a triple and storing same into the memory; locating the storage location of a certain data record in the magnetic disk according to the ingress index array provided and the triple information stored in the memory and performing read, write or delete operation of the data according to the storage location. The technical solution can effectively manage massive data without disk defragmentation, so that the utilization rate of the magnetic disk can be improved significantly and the speed of indexing and reading K-V can be improved greatly, thus providing highly efficient data storage and management operations.

The invention discloses a traditional Chinese medicine composition for promoting an immune state of chickens. The composition comprises the following active drug raw materials: enteromorpha and Calvatia candida. The composition is added into feed for feeding meat chickens, so that the growing performance of the meat chickens can be effectively improved, the immune molecule index is improved, and the immune organ index is improved. Therefore, the composition can be used as a feed additive of poultry, in particular to the meat chickens, and the immunity is enhanced.