30results about How to "Strong kill" patented technology

The invention relates to a dehydration methylate of a quinolinone alkaloid derivative and a preparation method and application. The preparation method is characterized by first carrying out strain culture on marine fungi in a strain medium, then carrying out fermentation culture in a fermentation medium, filtering obtained fermentation liquid to obtain thalli and extracting the obtained thalli by an organic solvent; carrying out chromatographic separation on extraction liquid after the extraction liquid is concentrated, concentrating obtained eluent to obtain yellow powder, namely 2-pyrrolyl-3-carboxyl-4-quinolinone; and adding a methylation reagent and a catalyst into acetone solution in which the 2-pyrrolyl-3-carboxyl-4-quinolinone is dissolved for reaction, and then obtaining the dehydration methylate of the quinolinone alkaloid derivative after reaction. The compound of the invention has strong effect on killing cotton aphids, plutella xylostella and heliothis virescens, can be used as a microbial pesticide and has extensive application prospect. In addition, the raw materials of the compound can be produced in large scale.

An environmental protection type composite board is composed of a joist layer and 1-2 layers of tea leaves and tea stems. Its preparing process includes such steps as choosing tea leaves and tea stems, fermenting, preparing joist, mixing tea leaves and tea stems with resin, and hot pressing.

The invention belongs to the technical field of traditional Chinese medicines, and provides a traditional Chinese medicine composition for treating cancer. The traditional Chinese medicine composition comprises the following components in parts by weight: 1-3 parts of lytta vesicatoria, 10-30 parts of toad, 10-30 parts of geckos, 10-30 parts of buthus martensii, 8-20 parts of centipede, 8-20 parts of leeches, 10-20 parts of earthworms, 1-6 parts of musk, 1-6 parts of calculus bovis, 10-60 parts of pseudo-ginseng, 60-110 parts of Chinese actinidia roots, 10-35 parts of sargentodoxa cuneata, 10-35 parts of akebiaquinata, 10-35 parts of cinnamomum camphora roots, 25-60 parts of sculellaria barbata, 40-60 parts of salvia chinensis, 150-230 parts of hedyotis diffusa, 10-30 parts of atractylodes macrocephala, 15-25 parts of poria cocos, 15-25 parts of grifola, 40-60 parts of livistona chinensis, 10-30 parts of roots of common peony, 10-30 parts of trigone, 10-30 parts of curcuma zedoary, 25-60 parts of turtle shells, 12-30 parts of pangolin, 8-18 parts of frankincense, 8-18 parts of myrrh, 6-12 parts of crocus sativus, 25-60 parts of ganoderma lucidum spore powder, 60-120 parts of cordyceps sinensis, 15-35 parts of astragalus membranaceus, 10-30 parts of liquorice and 10-30 parts of dates. The traditional Chinese medicine composition is good in cancer prevention effect.

The invention discloses a compound formalin disinfectant. The compound formalin disinfectant consists of formaldehyde, oxaldehyde, glutaraldehyde, benzalkonii chloridum, double-chain quaternary ammonium salt, synergist and water, wherein 1L of the compound formalin disinfectant contains 76 to 92g of formaldehyde, 18 to 21.5g of oxaldehyde, 52 to 63.5g of glutaraldehyde, 34 to 41.5g of benzalkonii chloridum, 13 to 15.5g of double-chain quaternary ammonium salt, and 8 to 10g of synergist. With the double-chain quaternary ammonium salt and the glutaraldehyde, the compound formalin disinfectant has the double disinfection and sterilization mechanism; and the compound formalin disinfectant can powerfully kill microorganisms and bacteria under the action of the synergist with more obvious effect.

The invention belongs to the technical field of microorganism prevention and treatment, and particularly relates to a vibrio parahaemolyticus bacteriophage VP-HYP MCS-1 and bdellovibrio bacteriovorusHalobacterovoraxsp.MCS-1 composition and application thereof to prevention and treatment of prawn pathogenic vibrio parahaemolyticus infection. The vibrio parahaemolyticus bacteriophage is vibrio parahaemolyticus bacteriophage VP-HYPMCS-1, is preserved in China General Microbiological Culture Collection Center, and has a preservation number of CGMCC No.199693. The vibrio parahaemolyticus bacteriophage is a vibrio parahaemolyticus bacteriophage VP-HYPMCS-1. The bdellovibrio parahaemolyticus is bdellovibrio parahaemolyticus Halobacterovoraxsp.MCS-1, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has a preservation number of CGMCC No.199694. The invention also discloses a preparation method of the bdellovibrio parahaemolyticus strain. The virulent bacteriophage VP-HYP MCS-1 obtained through separation is high in host specificity and has cracking and killing effects on vibrio parahaemolyticus; the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 is obtained through separation, the host spectrum of the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 is wide, and the bdellovibrio bacteriovorus Halobacterium ovalax sp.MCS-1 has cracking and killing effects on various vibrios including vibrio parahaemolyticus; the vibrio parahaemolyticus bacteriophage and bdellovibrio bacteriovorus provided by the invention have good application prospects in prevention and control of prawn pathogenic vibrio parahaemolyticus infection.

The invention relates to a peculiar smell removal and volatile organic chemicals (VOCs) degradation purification device which comprises an air inlet channel, at least one demist box internally provided with a demist folded plate, a liner cylinder type low temperature plasma box capable of discharging and an air outlet channel, wherein the demist box is communicated with the air inlet channel, the low temperature plasma box is communicated with the demist box, and the air outlet channel is communicated with the low temperature plasma box. The device has the advantages that waste gas containing stink and volatile organic chemicals (VOCs) entering from an air inlet firstly enters a pressure discharge box, then reaches the demist box, and finally reaches low temperature plasma box. Purified gas flows upwards through an outlet section and is discharged from an air out after reaching the standard.

The invention discloses a novel automotive air conditioner with a photocatalyst function. The novel automotive air conditioner comprises a device shell, a functional circuit and air conditioner grids, wherein the air conditioner grids are arranged on the surface of the device shell. The novel automotive air conditioner is characterized in that a containing box for storing a photocatalyst air purifying liquid is further arranged on the device shell, wherein the photocatalyst air purifying liquid is a liquid spray agent and is prepared from nanometer titania photocatalysts; an atomizing nozzle is further arranged on the containing box and extends to the bottom of the containing box through a guide pipe; the nanometer titania photocatalysts include nanometer titania, nanometer mineral crystal powder, diatomite, tourmaline and polysiloxane clathrate. As the spray agent used in the novel automotive air conditioner is in a moving free state, can be rapidly spread and has the characteristics of large purifying space and user-adjustable scope, the noxious and harmful gases in the air of an automobile can be rapidly and effectively degraded, and the novel automotive air conditioner has the functions of deodorization, mould proofing and air purification and has no toxicity and secondary pollution.

The invention discloses a high-efficiency, low-toxicity and broad-spectrum pesticide and a preparation method of the pesticide; the high-efficiency, low-toxicity and broad-spectrum pesticide is prepared by the steps of: firstly weighing 2 parts by weight of lime, 0.5 part of copper sulfate and 90-110 parts of water, evenly mixing and stirring, dissolving, filtering and removing residue to obtain Bordeaux mixture; and after that, adding 1.5-2.5 parts by weight of plant ash, 2.5-3.5 parts by weight of bovine urine, 0.5 part by weight of Tuzet and 0.6 part by weight of dimethoate into the Bordeaux mixture, and evenly mixing and stirring to obtain the pesticide. The pesticide has easily available raw materials, is low in cost and simple in preparation method; and the prepared pesticide is a systemic agent, can be used as regulator of the plants and is high in efficiency, low in toxicity, less in residue and safe to use.

The present invention is Chinese medicine composition for treating women's diseases and its production process. The externally applied medicine is used in treating women's inflammation caused by trichomonas vaginalis, fungus and bacteria. The Chinese medicine composition contains honeysuckle, sessile stemona root, phellodendron bark and other plant medicine materials, borax and borneol.

The invention discloses a scavenging agent for scavenging mycetes on walls, which is prepared from the following raw materials according to the weight percent: 10-20 percent of peroxide, 0.5-1 percent of sodium hypochlorite, 10-15 percent of tetrachloroisophthalonitrile, 1-10 percent of chlorine dioxide and 60-70 percent of water repellent substance. The water repellent substance is one or the combination of some of high fatty acid water repellent substance, coconut oil or soybean oil. The raw materials are mixed uniformly and are directly sprayed on the walls. The invention achieves the strong function on killing and decomposing the mycetes on the walls by adopting the combination of the peroxide, the tetrachloroisophthalonitrile and the chlorine dioxide, increases the whitenessby by adopting the sodium hypochloride, completely prevents the mycetes on the walls from growing by combining the water repellent substance, since the water repellent substance contains high fatty acid and can increase the density of the wall at the surface of the wall so as to form water resisting layers on the surfaces of walls while penetrating into pores of the walls, The invention can thoroughly kill the mycete on the walls in short time, can form the water resisting layers on the surfaces of the walls so as to completely prevent the mycetes on the walls from growing, has low cost, and can be used to kill the mycetes grown on decorative materials, such as the wall, stone, cement, ceramic tiles, glass, wallpaper, wood and the like.

The invention discloses an efficient pesticide with low toxicity and broad spectrum and a preparation method of the pesticide. The preparation method comprises steps of weighing following materials in parts by weight: 2 parts of lime, 0.5 part of copper sulfate and 90-110 parts of water, mixing, uniformly stirring, dissolving, filtering, removing dregs so as to prepare a bordeaux mixture; and adding 1.5-2.5 parts of plant ash, 2.5-3.5 parts of bovine urine, 0.5 part of tuzet, and 0.6 part of dimethoate into the bordeaux mixture, mixing, and uniformly stirring so as to prepare the pesticide. The pesticide uses the raw materials easy to obtain, has the low cost, is simple to prepare, efficient and safe to use, is a systemic pesticide, can be used as a plant modifier, has the low toxicity and the low residue.

The invention discloses an under-forest water and fertilizer integrated block intelligent control planting method. The method comprises the following steps: S1, a low-hill ecological public welfare forest with the tree age of 20 years or older is selected; S2, a plurality of soil slopes are leveled in an under-forest open field in a layered mode, each soil slope is a block, and at least two kinds of commercial crops are planted in each block in a crossed mode; S3, a microbial organic liquid fertilizer is sprayed to the planted economic crops respectively by adopting a water and fertilizer integrated block intelligent control technology; and the microbial organic liquid fertilizer is prepared from the following raw materials: under-forest residues, soybean meal, egg shells, traditional Chinese medicine residues, tobacco residues, bagasse, a compound microbial agent, biogas slurry, selenomethionine and vitamin C magnesium phosphate. The space under the public welfare forest is fully utilized, various commercial crops are planted at the same time, block management is carried out, the unit yield per mu and quality are improved, and economic benefits are increased.

A Chinese medicine in the form of pill for treating cancer is prepared from 10 Chinese-medicinal materials including pangolin scorpion, batryticated silkworm, rhubarb, etc. Its advantages include high curative effect, quickly taking its effect, short course of treatment, low cost and no by-effect.

The invention provides a preparation method of plant cell zymolyte for destroying human body herpes zoster viruses, and relates to the technical field of biological pharmacy. The preparation method comprises the steps of peeling fresh onions and fresh ginger, performing thorough cleaning, and performing mixing and crushing to obtain 10-20-mesh powder; adding edible mature vinegar to the prepared mixture in the mass ratio being 1 to 1, performing placing in an enzymolysis container, adding starch protease, performing stirring once every day, performing high-speed rotary stirring for 20-30 minutes each time, and performing continuous stirring for 5-6 days; adding cell fusion enzymes to zymolyte, and performing standing for 30-40 days; and finally, performing separation and purification at room temperature, performing precipitation on an extract, performing filtration with a 200-mesh sieve, adding sodium carboxymethyl cellulose in the mass ratio being 1 to 0.25, and performing mixing. Theplant cell zymolyte disclosed by the invention can effectively destroy and restrain the human body herpes zoster viruses, can be used for treating human body herpes zoster diseases, and does not haveany side effects.

The invention relates to a solid active bromine bactericidal algicide. The bactericidal algicide comprises, by weight, 30-40% of 2-bromine-4,5-dimethoxy phenyl propionitrile, 5-15% of 3-bromine-1-chlorine-5,5-dimethyl hydantoin, 5-15% of dibromo nitrilopropionamide, 15-25% of diquaternary ammonium activating agents, 10-20% of dibromo-2-cyanoacetamide and 5-15% of bronopol. The solid active bromine bactericidal algicide is advantageous in that, first, the bactericidal performances are strong and the bactericidal speed is fast; second, the application range of the pH value is wide; third, the bactericidal algicide is a bactericidal algicide with oxidizability and is effective to all kinds of microorganisms; fourth, the usage concentration is economical, and the bactericidal algicide with low dosage has strong bactericidal activity; fifth, the bactericidal algicide is suitable for ammonia-containing and nitrogen-containing water systems, and the bactericidal efficiency is not lowered with existence of ammonia; sixth, the bactericidal algicide has good intermiscibility and does not affect the using effects of corrosion and scale inhibitors; seventh, the bactericidal algicide has strong exfoliation; eighth, the bactericidal algicide has small impacts on the environment.

The invention discloses a water and fertilizer integrated diversified combined drip irrigation planting method under a low hill forest. The method comprises the following steps: S1, selecting a low hill ecological public welfare forest; S2, planting a vine at a position close to a tree root, wherein the vine of the crop grows along the trunk of the pine tree, leveling a plurality of soil slopes in the open field under the forest in a layered mode, and planting at least two other commercial crops on each soil slope in a crossed mode; and S3, adopting a water and fertilizer integrated diversified combined drip irrigation technology to drip a microbial organic liquid fertilizer to the planted economic crops, wherein the microbial organic liquid fertilizer is prepared from the following raw materials: under-forest residues, peanut meal, snail shells, tobacco residues, traditional Chinese medicine residues, molasses, a compound microbial agent, biogas slurry, rice washing water, plant ash and methylselenobutyric acid. The space under the public welfare forest is fully utilized for planting various commercial crops at the same time, the unit acre yield and quality are improved, and economic benefits are improved.

The invention belongs to the technical field of cell biology, and relates to a separation and amplification method of peripheral blood source gamma delta T cells. The invention provides an in-vitro method for separating, amplifying and modifying in-vitro amplified gamma delta T cells. The in-vitro method comprises the following steps: acquiring or separating gamma delta T cells; and / or expanding the isolated [gamma] [delta] T cells in a culture medium in the presence of a culture medium containing zoledronic acid, human recombinant interleukin 2 (IL-2) and human recombinant interleukin 7 (IL-7). The invention further provides the gamma delta T cell modified by the chimeric antigen receptor and application of the gamma delta T cell to preparation of anti-tumor and anti-AIDS products.

The invention discloses an N, N-dipentane substituted quinacridone compound specifically combined with a nucleic acid as well as a preparation method and an application in anti-tumor. The structure formula is shown in formula I. The N, N-dipentane substituted quinacridone compound shown in formula I can rapidly judge whether the sample to be tested is a nucleic acid through a fluorescence spectrum. Under a light condition, the N, N-dipentane substituted quinacridone compound shown in formula I has a high activity for killing the tumor cell or causing the tumor cell apoptosis and has a potential as a photochemical anti-tumor therapeutic agent. The compound in formula I is easy to synthesize, stable and convenient to store.

The invention discloses a traditional Chinese medicine composition for treating tinea diseases, which comprises the following raw materials in parts by weight: 10-40 parts of active ionized calcium, 2-10 parts of wasp nest, 2-10 parts of amoorcorn tree bark, 2-10 parts of astragalus mongholicus, 2-10 parts of honeysuckle, 2-10 parts of calendula, 2-10 parts of polygonum cuspidatum, 10-30 parts of arrowroot flour and 1-5 parts of medical citric acid. The composition is good in curative effect, and has no toxic or side effect; time-consuming and labor-consuming boiling is not required; the composition is not required to be absorbed by intestines or a stomach; and filtration burdens of a liver and a kidney are not increased. The invention also relates to a preparation method of the traditional Chinese medicine composition.

The invention relates to a dehydration methylate of a quinolinone alkaloid derivative and a preparation method and application. The preparation method is characterized by first carrying out strain culture on marine fungi in a strain medium, then carrying out fermentation culture in a fermentation medium, filtering obtained fermentation liquid to obtain thalli and extracting the obtained thalli byan organic solvent; carrying out chromatographic separation on extraction liquid after the extraction liquid is concentrated, concentrating obtained eluent to obtain yellow powder, namely 2-pyrrolyl-3-carboxyl-4-quinolinone; and adding a methylation reagent and a catalyst into acetone solution in which the 2-pyrrolyl-3-carboxyl-4-quinolinone is dissolved for reaction, and then obtaining the dehydration methylate of the quinolinone alkaloid derivative after reaction. The compound of the invention has strong effect on killing cotton aphids, plutella xylostella and heliothis virescens, can be used as a microbial pesticide and has extensive application prospect. In addition, the raw materials of the compound can be produced in large scale.

The invention discloses a dressing with sterilization and disinfection functions and for patients with skin diseases and burns and portable manufacturing equipment. The device comprises a shell, an upper cover, an oxygen source, an ultraviolet ozone generating device, a temperature control system, soaking liquid, gauze and the like. The polarity of oxygen is changed to enable the oxygen to becomeozone with high oxidability, and the gauze is used for treating skin diseases and burn patients after being soaked. The invention has the beneficial effect as follows: the dressing which is simple, convenient, cheap, free of secondary pollution and capable of rapidly killing bacteria and viruses can be provided for patients with skin diseases, burn and scald patients and surgical operation patients.

The invention discloses a method for increasing the survival rate of bambusa oldhami division seedlings planted under forest. The method for increasing the survival rate of the bambusa oldhami division seedlings planted under forest comprises the following steps that S1, a low-hill ecological public welfare forest is selected; S2, soil preparation and ditching is carried out in an open place under forest; an annual bambusa oldhami mother bamboo seedling is selected, the ground diameter is 4-6 cm, a mother bamboo tip is cut off, 8-10 sections are reserved and are lower than 5 m, apical dominance can be eliminated, robust growth of lateral branches is promoted, and 1-2 branches are reserved on each section; holes are punched in the middle of the bamboo sections, the holes are filled with a nutrient solution, then the holes are blocked with clay, bamboos are horizontally placed in ditches, the holes are kept upward, the branches and bud eyes face the two horizontal sides, and the bamboos are buried with soil with the thickness of 3-8 cm, slightly compacted the bamboos, covered with grass and sprayed with water; in 6-12 months, bamboo stalks are dug out and cut into division bamboo seedlings. According to the method for increasing the survival rate of the bambusa oldhami division seedlings planted under forest, bambusa oldhami shoots are planted by fully utilizing the space under the public welfare forest, the bambusa oldhami is planted by creatively pouring the nutrient solution into the bamboo sections, and the survival rate of the bambusa oldhami division seedlings can be effectively improved.

The invention discloses a method for preparing sodium dichlorisocyanurate powder and belongs to the field of production of disinfecting and sterilizing agents. The method comprises the steps of carrying out chemical reaction on cyanuric acid, liquid chlorine, sodium benzoate and water, which serve as raw materials, at a certain temperature so as to obtain a sodium dichlorisocyanurate crude product, and carrying out procedures such as suction filtration, baking and the like, thereby preparing pure sodium dichlorisocyanurate. The product can be used for forcibly killing various pathogenic microorganisms such as bacterial spores, bacterial vegetative forms, fungi and the like, has a specific killing effect on hepatitis viruses, is used for rapidly killing and forcibly inhibiting algae plants such as blue-green algae, red algae, seaweeds and the like of systems such as circulating water, cooling columns, water basins and the like and plays a role in thoroughly killing sulfate reducing bacteria, ferrobacteria, fungi and the like of a circulating water system.

The invention discloses a novel medicine preparation for efficiently preventing and treating pasteurellosis of livestock and poultry and a preparation method thereof. The novel medicine preparation is prepared from the following components in parts by weight: 50 to 70 parts of sulfachloropyridazine sodium, 15 to 30 parts of oxytetracycline, 10 to 20 parts of lactate trimethoxine sodium or dimethoxine sodium, 10 to 20 parts of herba selaginellae, 30 to 50 parts of root of Chinese barberry, 3 to 6 parts of fructo-oligosaccharide, 20 to 40 parts of anhydrous dextrose, and 20 to 30 parts of medical stone. The medicine preparation has the advantages that by utilizing the mutual compounding of components, the synergistic function is realized, the efficiency is improved, the toxic or side effect is decreased, and the functions of clearing heat and detoxifying, resisting bacteria and removing dampness, dispersing blood stasis, clearing toxicity in body, promoting growth of normal bacteria colony in intestines, and enhancing immunity of body are realized.

The invention provides an aerosol for rheumatic arthritis in middle-aged and old people. The formula of the aerosol comprises 30-50g of centipedes, 30-50g of radix aconiti brachypodi, 30-50g of radix aconiti, 30-50g of pseudo-ginseng, 30-50g of paris polyphylla, 30-50g of notopterygium incisum, 30-50g of safflower carthamus, 30-50g of angelica sinensis, 20-40g of ground beetles, 20-40g of lycopodium clavatum, 20-40g of curcuma zedoary and 20-40g of radices rehmanniae. The aerosol is prepared by the following steps: mixing the medicinal materials according to the formula; decocting with water, drying extract, and grinding to obtain granules; and mixing the granules with deionized water and preservative to obtain the aerosol. The main ingredient of the aerosol comes from traditional Chinese medicinal herbs which do not contain hormone or antibiotic, and is nontoxic and harmless to human bodies. The aerosol is used for killing adaptive bacteria and mobilizing the defense mechanism of the human bodies to achieve the healing effect, and is especially suitable for middle-aged and old patients with rheumatic arthritis.

The invention discloses a novel automotive air conditioner with a photocatalyst function. The novel automotive air conditioner comprises a device shell, a functional circuit and air conditioner grids, wherein the air conditioner grids are arranged on the surface of the device shell. The novel automotive air conditioner is characterized in that a containing box for storing a photocatalyst air purifying liquid is further arranged on the device shell, wherein the photocatalyst air purifying liquid is a liquid spray agent and is prepared from nanometer titania photocatalysts; an atomizing nozzle is further arranged on the containing box and extends to the bottom of the containing box through a guide pipe; the nanometer titania photocatalysts include nanometer titania, nanometer mineral crystal powder, diatomite, tourmaline and polysiloxane clathrate. As the spray agent used in the novel automotive air conditioner is in a moving free state, can be rapidly spread and has the characteristics of large purifying space and user-adjustable scope, the noxious and harmful gases in the air of an automobile can be rapidly and effectively degraded, and the novel automotive air conditioner has the functions of deodorization, mould proofing and air purification and has no toxicity and secondary pollution.

The present invention belongs to the technical field of molecular biology and particularly relates to a method for preparing a PD-1 gene-deficient type PD-1-CART cell preparation. The method comprisessteps of construction of PD-1-CAR chimeric sequences, construction of PD-1-CAR lentivirus and construction of PD-1 gene-deficient type PD-1-CAR cells. Firstly, after mutating ITSM motif of PD-1 protein, then T cell extracellular protein parts and transmembrane signal guide regions with PD-L1 target recognition functions are obtained, then a lentiviral plasmid with a novel CAR structure lentivirusis constructed, and the constructed lentiviral plasmid transfects with PD-1 gene-deficient type T lymphocytes to obtain the PD-1 gene-deficient type PD-1-CART cell preparation. The PD-1 gene-deficient type PD-1-CART cell preparation improves ability of the T lymphocytes to target and kill tumor cells, reduces side effects, can enhance long-term tumor immunity, and also provides a reference for development of similar new CAR gene structures.

The invention belongs to the technical field of poultry farming and in particular discloses a disease prevention breeding method for short-leg high-yield black boned chickens with black feather. The disease prevention breeding method disclosed by the invention comprises the following steps: (1) performing feeding management, namely feeding chickens by adopting disease prevention feed, wherein thedisease prevention feed is mainly prepared from soybean curb residues, corn flour, wheat bran, distillers' grains, molasses, clinoptilolite, fructooligosaccharide, bentonite, liquorice, pine needle meal, carbonized sanguisorba root, fungicides and enzyme preparations according to certain weight parts, and sufficient disease prevention drinking water is supplied; (2) performing stocking management,namely stocking the fed chickens into a breeding grassland; (3) performing henhouse management, namely controlling the temperature and humidity. The disease prevention breeding method disclosed by the invention starts with feeding, and the short-leg high-yield black boned chickens with black feather are fed with the feed with excellent disease prevention effect, rich and comprehensive nutrition and high nutrient digestion rate. Moreover, henhouse and stocking management are combined, so that healthy and rapid growth of the short-leg high-yield black boned chickens with black feather is effectively facilitated.