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1054 results about "Bacterial disease" patented technology

Feed additive containing microbe and biological enzyme

The invention is a feed additive containing microbe and bio-enzyme, and its character: it is composed of beneficial bacteria, functional enzyme, mineral trace elements, and feed carrier. It has multielements to cooperate with one another, and thus it has good synthetic effect, and its microbes are obtained by solid fermentation, and thus the device investment is low, the low-temperature drying effectively assures the nutrient constituents, and the variety and activity of the microbes and bio-enzymes from not being lost, and simultaneously reduces enzyme extraction procedures, and extremely reduces the production cost; the product meets the dispersion of various effective constituents in the raw materials on the carrier as far as possible, so as to fully use them to achieve the best effect. It uses the addition of beneficial bacteria to regulate the balance of bacteria crowd in the stomach intestine of the domestic animal and fowl, improves the micro-ecological environment, and makes the domestic animal and fowl keep naturally healthy physique; inhibits and prevents the occurrence of the bacterial diseases, such as Escherichia coli disease, salmonella disease, etc, reducing antibiotic usage, reducing therapeutic expenses and improving the productivity of the animal.
Owner:ENZYME ENG INST SHAANXI PROVINCE ACAD OF SCI

Bdellovibrio bacteriovorus for preventing and curing rice bacterial diseases and application thereof

InactiveCN101638629ASolve drug residueSolve problems such as resistanceBiocideBacteriaBacterial diseaseOligosaccharide
The invention discloses a bdellovibrio bacteriovorus for preventing and curing rice bacterial diseases and application thereof. The invention can obtain bdellovibrio bacteriovorus BDFM05 by separationand ultraviolet mutation. The bdellovibrio bacteriovorus BDFM05 is combined with oligosaccharide to obtain bdellovibrio bacteriovorus for preventing and curing crop bacterial diseases. The inventionapplies bdellovibrio bacteriovorus BDFM05 to prevent and cure crop bacterial diseases for the first time. The bdellovibrio bacteriovorus prepared by the method has better rice bacterial diseases preventing and curing effect than common Saisentong, has no toxicity or pollution, is safe to natural enemies of crop diseases and pests, produces no pathogenic bacteria resistance, has no toxic or side effects to people and animals, improves the quality and safety of agricultural products and conforms to the requirements of people on healthy and green food and sustainable-development for agriculturalproduction.
Owner:SOUTH CHINA UNIV OF TECH

Biopesticide bactericide prepared from Chinese herbs and use of biopesticide bactericide

The invention discloses a biopesticide bactericide prepared from Chinese herbs and the use of the biopesticide bactericide. The bactericide is prepared from the following components in percentage by weight: 45%-55% of garlic extract, 15%-25% of heartleaf houttuynia herb extract, 10%-20% of purslane extract, 8%-15% of extract of folium artemisiae argyi, gingko and sweet wormwood, and 3%-5% of sulfur powder. The biopesticide bactericide prepared from Chinese herbs has a strong killing effect on pathogenic bacteria of pythium rot, damping off, rice blast and the like of crops such as rice, wheat and vegetables; the bactericide is capable of achieving the purpose of preventing and treating fungus and bacterial disease, and also capable of promoting the expression of a defensive enzyme system in the bodies of plants, improving the disease resistance of the plants and promoting the increase of production of crops; meanwhile, the prevention and treatment effect of the bactericide on soil-borne diseases propagated via soil is above 90%.
Owner:HUNAN AGRICULTURAL UNIV

Bioactive food complex, method for making bioactive food complex product and method for controlling disease

A bioactive food complex product, method for preparing a bioactive food complex product and method for controlling disease using probiotics and quorum sensing inhibitors such as inhibitory furanones and other bioactive compounds included in both the continuous and dispersed phases of a bioactive food complex product. The product is comprised of a solids-in-oil or an oil-in-solids emulsion forming a first emulsion that is itself emulsified in polymer forming oil-in-polymer or solids-in-polymer emulsion complex. The bioactive complex is formed of two emulsions with the first emulsion comprising the dispersed phase and a hydrocolloid polymer serving as the continuous phase. The second emulsion complex is then crosslinked to form a physically stable matrix. The bioactive food complex or the first emulsion of the bioactive food complex then serve to deliver different bioactive components including probiotic bacteria and quorum sensing inhibitor molecules to the digestive tract and environment of animals such as shrimp or fish or other livestock raised commercially to effectively control bacterial disease by a novel combination of mechanism including: competitive exclusion, direct inhibit, digestion of cell-to-cell signaling molecules and direct inhibition of homoserine lactone and (acyl) homoserine lactone regulated processes of pathogenic bacteria. Thus, effective disease prevention and control is accomplished through the novel combined delivery and use of probiotic bacteria and quorum sensing inhibitory furanones.
Owner:ACUABIOTEC

Methods and compositions for breeding for preferred traits

The present invention relates to the field of plant breeding. More specifically, the present invention includes a method of using haploid plants for genetic mapping of traits such as disease resistance. Further, the invention includes a method for breeding corn plants containing quantitative trait loci (QTL) that are associated with resistance to Gray Leaf Spot (GLS), a fungal disease associated with Cercospora spp. The invention further includes a method for breeding corn plants containing QTL that are associated with Goss' Wilt, a bacterial disease associated with Clavibacter michiganense spp.
Owner:MONSANTO TECH LLC

Thiazole zincium suspension agent and method for producing the same

The invention discloses a thiazole zinc suspending agent and process for preparation, wherein, the suspending agent contains thiazole zinc 5-60%, wetting agent 3-8%, dispersing agent 1-5%, thickening agent 0-3%, anti-freeze agent 0-5%, antiseptic 0-1% and defoaming agent 0-0.5% and water allowance. The medicament is evenly dispersed and manufactured by adopting arts of combination of sandblast or high-shear homogeneity and sandblast, or combination of high-shear homogeneity and high pressure homogeneity. The medicament has high efficiency, which can effectively prevent and cure bacterial diseases such as rice bacterial blight, striped disease and citrus ulcer and the like, and uses water as dispersed medium, and has little environmental pollution and low toxicity. The preparation has excellent performance, which can be stored for two years without deposition and phenomenon of lamination. The invention has long life span of a goods shelf, and is not easily burnt and is safe to store and transport.
Owner:ZHEJIANG XINNONG CHEM CO LTD +1

Tomato SlML1 gene and application

The invention discloses a tomato SlML1 gene and application, and belongs to the field of biological techniques. The cDNA sequence and the encoding amino acid sequence of the gene are as shown in SEQIDNO.1 and SEQIDNO.2. The transgenosis experiment shows that the gene not only has the functions of improving the quality and increasing the yield of tomatoes, but also has the properties of improving the drought resistance, the fungal disease resistance, bacterial disease resistance and TMV and insect resistance of tomatoes, and moreover the shelf life of tomatoes can be prolonged. Therefore, SlML1 can be used as a target gene introduction plant for improving the quality and the resistance and increasing the yield of plants and has good application prospect in breeding, quality improvement and resistance study on tomatoes.
Owner:HUAZHONG AGRI UNIV

Bioinformatically detectable group of novel regulatory bacterial and bacterial associated oligonucleotides and uses thereof

ActiveUS20070042982A1Preventing and treating bacterial diseasesSugar derivativesGenetic material ingredientsNucleotideBacterial disease
The present invention relates to a first group of novel bacterial and human associated oligonucleotides, here identified as Genomic Address Messenger or GAM oligonucleotide, and a second group of novel operon-like bacterial and human polynucleotides, here identified as Genomic Record or GR polynucleotide. GAM oligonucleotides selectively inhibit translation of known ‘target’ genes, many of which are known to be involved in various bacterial diseases. Nucleic acid molecules are provided respectively encoding 6444 GAM precursors oligonucleotides, and 726 GR polynucleotides, as are vectors and probes both comprising the nucleic acid molecules, and methods and systems for detecting GAM oligonucleotides and GR polynucleotides and specific functions and utilities thereof, for detecting expression of GAM oligonucleotides and GR polynucleotides, and for selectively enhancing and selectively inhibiting translation of the respective target genes thereof.
Owner:ROSETTA GENOMICS

Irradiation device for therapeutic treatment of skin diseases and other ailments

InactiveUS20050085878A1Increase pulse slopeDecrease achievable pulse lengthGas discharge lampsLight therapySpectral bandsChronic hand eczema
The invention relates to an irradiation device and method for the treatment of totally or partially cell-mediated inflammations of the skin, the connective tissue and the viscera, viral and other infectious diseases such as HIV and prionic infections, fungal infections of the skin and the mucous membranes, bacterial diseases of the skin and the mucous membranes as well hand eczema and anal eczema which comprises at least one irradiation device to irradiate a surface treatment area where the wavelength of the emitted radiation to a treatment area is longer than 400 nm and comprises at least one spectral band between 400-500 nm while the radiation device has a gas discharge lamp containing at least gallium, indium or their respective halides as irradiation source, means that less than 7% of the overall optical output are emitted in the UV range, wherein at least 30% of the optical output are emitted in the range of 400-500 nm; and contains means for the generation of optical pulses towards a treatment area with a power density of the optical pulse peaks larger than 0.5 W / cm2 and smaller than 500 W / cm2. The energy of one pulse relates to 0.05-10 J / cm2.
Owner:SPECTROMETRIX OPTOELECTRONICS SYST +1

Composite for preventing and controlling agricultural bacterial disease

The invention discloses a composite for preventing and controlling an agricultural bacterial disease, and belongs to the technical field of plant protection pesticides. The composite comprises an active component A and an active component B, wherein the active component A is benziothiazolinone; the active component B is one or two of cymoxanil, qingkuling, yekuzuo, bismerthiazol, ethylicin, thiram, dioctyl divinyltriamino glycine, active ester, metalaxyl, chlorothalonil, dithiocyano-methane, bromine chlorine hydantoin, 2-bromine-2-nitryl-1,3-propylene glycol and moroxydine hydrochloride; the weight ratio of the active component A to the active component B is 1:100 to 100:1. The composite disclosed by the invention obtains the synergetic effect through the mixing of the benziothiazolinone and other bacterial medications and is used for agricultural production.
Owner:INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI

Method for extracting chlorogenic acid from Eucommia leaves and use thereof

The invention discloses a method for extracting chlorogenic acid from folium cortex eucommiae. The invention also discloses an application of the chlorogenic acid in prevention substances of fish diseases. The method comprises the steps of grinding, enzyme treatment, ultrasonication, filtering, extraction, concentration, purification, and the like; the method has the advantages of simple and convenient technique operation, low cost, no hazardous solvent, high yield, being applicable to industrialized production, and the like; in addition, the chlorogenic acid has good bacteriostasis effect on pathogenic bacteria commonly seen in aquiculture, with a bacteriostasis effect on aeromonas hydrophila equal to that of antibacterials like antibiotics, can strengthen the immunity of the organism and has relatively strong prevention effect on bacterial diseases.
Owner:江苏省苏微微生物研究有限公司

Antimicrobial quinolone derivatives and use of the same to treat bacterial infections

Substituted quinolone derivatives in which an oxazolidinone, isoxazolinone, or isoxazoline is covalently bonded to a quinolone, methods of using the quinolone derivatives, and pharmaceutical compositions containing the quinolone derivatives are disclosed. Methods of synthesizing these substituted quinolone derivatives are also disclosed, and in particular a method of manufacturing a 7-(2-oxo-1,3-oxazolidin-3-yl)aryl-3-quinolinecarboxylic acid by condensing a 4-(2-oxo-1,3-oxazolidin-5-yl)aryl boronic acid with a 7-halo-quinolone derivative. The quinolone derivatives possess antibacterial activity, and are effective against a number of human and veterinary pathogens in the treatment of bacterial diseases.
Owner:PHARMACIA & UPJOHN CO

Methods of chemical synthesis and purification of diaminophenothiazinium compounds including methylthioninium chloride (MTC)

This invention pertains generally to the field of chemical synthesis and purification, and more specifically to methods of synthesizing and purifying certain 3,7-diaminophenothiazin-5-ium compounds (referred to herein as “diaminophenothiazinium compounds”) including Methythioninium Chloride (MTC) (also known as Methylene Blue). In one embodiment, the method comprises the steps of, in order: nitrosylation (NOS); nitrosyl reduction (NR); thiosulfonic acid formation (TSAF); oxidative coupling (OC); Cr(VI) reduction (CR); isolation and purification of zwitterionic intermediate (IAPOZI); ring closure (RC); chloride salt formation (CSF); one of: sulphide treatment (ST); dimethyldithiocarbamate treatment (DT); carbonate treatment (CT); ethylenediaminetetraacetic acid treatment (EDTAT); organic extraction (OE); and recrystallisation (RX). The present invention also pertains to the resulting (high purity) compounds, compositions comprising them (e.g., tablets, capsules), and their use in methods of inactivating pathogens, and methods of medical treatment and diagnosis, etc., for example, for tauopathies, Alzheimer's disease (AD), skin cancer, melanoma, viral diseases, bacterial diseases, or protozoal diseases.
Owner:WISTA LAB LTD

Salt-resistance Bacillusmethylotrophicus strain LJ and application thereof

ActiveCN104017750AExtended shelf lifeHigh rate of effective live bacteriaBiocideBacteriaRetention periodAlkali soil
The invention provides a salt-resistance Bacillusmethylotrophicus strain LJ and an application thereof. The salt-resistance Bacillusmethylotrophicus strain LJ is classified to be named as Bacillusmethylotrophicus, and the collection number of the salt-resistance Bacillusmethylotrophicus strain LJ is CGMCCNO.7570. By performing salt tolerance analysis on the salt-resistance Bacillusmethylotrophicus strain LJ, performing a pathogenicity test on crops, and performing a test on the inhibition effect of the strain on pathogenic bacteria, results show that the salt tolerance degree of the strain is 25-30%; the strain can not cause pathogenicity to the crops, has relatively ideal inhibition effects on bacterial diseases, viral diseases and fungous diseases of tobaccos, can be compounded with a great number of elements, is long in retention period and high in effective bacterium survival rate, can be applied to saline-alkali soils, and has the effects of improving the soil, resisting the diseases, increasing the yield and the like. The salt-resistance Bacillusmethylotrophicus strain LJ disclosed by the invention ensures that a microbial preparation has the positive effects of preventing the diseases and promoting the growth of plants in special environments; the microbial inoculum has the effects of salt-resistant growth-promoting bacteria and disease-prevention growth-promoting bacteria, and is suitable for improvement of salt marsh, alkali soil and acid soil.
Owner:青岛海大生物集团股份有限公司

Foliarly applicable silicon nutrition compositions & methods

A foliarly applicable plant nutrient composition comprises, in aqueous solution, (a) a first component comprising an agriculturally acceptable source of foliarly absorbable silicon; (b) a second component selected from agriculturally acceptable sources of thiosulfate ions, agents effective to inhibit polymerization of silicic acid or silicate ions, and mixtures thereof; and (c) as a third component, an agriculturally acceptable mixture of compounds selected from the group consisting of organic acids, organic compounds having funtional groups capable of reversibly binding or complexing with inorganic anions, and mixtures thereof. The composition is useful for silicon nutrition of a plant and for reducing susceptibility of a plant to fungal or bacterial disease.
Owner:FBSCI HLDG

Isolated phages and their use in food or pet food products

The present invention relates to phage isolates having a strong lytic activity against pathogenic Enterobacteriaceae such as Escherichia coli and / or Salmonella strains and their use in various human or pet food products for the treatment or prevention of bacterial diseases caused by pathogenic Enterobacteriaceae such as Escherichia coli, in particular for phage therapy of pediatric gastroenteritis, or Salmonella infection. It also relates to human or pet food products prepared thereof.
Owner:NESTEC SA

Broad-spectrum oligosaccharide compound bactericide and use thereof

ActiveCN104798789ALower resistanceDrug resistance inductionBiocideFungicidesChemistryBacterial disease
The invention relates to an oligosaccharide-containing compound bactericide. The used oligosaccharides comprise one or more of sodium alginate oligosaccharide and its derivatives, chitin oligosaccharide and its derivatives, and oligogalacturonic acid and its derivatives, and a broad-spectrum bactericide benziothiazolinone. Through mixing of the above materials according to different ratios, the soluble compound is obtained and has synergism of preventing and treating a plurality of bacterial diseases and fungous diseases such as cucumber downy mildew, pear scab, apple scab, apple rot, citrus anthracnose, citrus bacterial canker and anthracnose of grape. 2.5-10% of the oligosaccharide and its derivative, 0.5-4.0% of benziothiazolinone, and 5-10% of ammonium hydroxide as a cosolvent and 0.2-10% of sodium hydroxide as a cosolvent are mixed, and the mixture is diluted by 1000 times and has a bacteriostasis rate of 40-99%. The compound of the oligosaccharide and its derivative and the benziothiazolinone has the original characteristics of high efficiency, low toxicity and safety of a benziothiazolinone bactericide, contains oligosaccharide biological pesticide, reduces a chemosynthetic bactericide use amount, prevents or delays resistance to bactericide, improves crop defense response and yield, improves agricultural product quality, improves application safety and is an eco-friendly novel compound bactericide.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method of protecting plants from bacterial and fungal diseases

Improved methods and compositions for protecting plants or seeds from plant diseases are provided. The compositions comprise (and preferably consist essentially of) saponin, such as triterpene type saponins extracted from quinoa or quillaja. Compositions according to the invention may comprise (or consist essentially of) a quantity of a sapogenin compound, preferably a sapogenins selected from the group consisting of oleanolic acid, hederagenin, phytolaccinic acid, and quillaic acid. The methods comprise contacting the portion of the plant (e.g., foliage, shoot, etc.) to be treated with a disease-inhibiting or protective amount of the composition. The compositions can also be used to treat plant seeds or tubers prior to planting thereof, as well as soil adjacent a growing plant. The inventive compositions are particularly useful for the treatment, control and / or prevention of bacterial diseases. The saponins of the invention can be applied as liquids or dry particulates, and are especially suited for the treatment of tomato and potato plants and their respective seeds.
Owner:NORTHERN QUINOA CORP

Compositions and methods for inhibiting a honey bee pathogen infection or controlling a hive infestation

InactiveUS20090104288A1Lower success rateOptimize allocationBiocideAnimal repellantsPaenibacillus larvaePsocoptera
The present invention is directed to methods and compositions to prevent or treat a honey bee pathogen infection (e.g., Melissococcus plutonis, Paenibacillus larvae, Ascosphaera apis). Specifically, the invention provides for the treatment or prevention of European or American foulbrood or chalkbrood. In addition, the invention provides methods for controlling Varroa mites that can weaken a hive or act as vectors for bacterial diseases. In further embodiments, the invention provides for the treatment or prevention of hive infestations with Lepidopteran pests, such as the wax moth (Galleria mellonella).
Owner:JOHN I HAAS

1-substituted-5-trifluoromethyl-4-pyrazol-1,3,4-oxadiazole thioether or sulfone derivatives and application of derivatives

The invention discloses a kind of 1-substituted-5-trifluoromethyl-4-pyrazol-1,3,4-oxadiazole thioether or sulfone derivatives and application of the derivatives. The derivatives have the structures represented by general formulae A and B shown in the specification. 1-substituted-5-trifluoromethyl-4-pyrazol-1,3,4-oxadiazole compounds are synthesized from ethyl trifluoroacetoacetate by the following five reactions: esterification, ring closure, hydrazinolysis, ring closure and substitution. The compounds have certain inhibition effects to plant bacterial diseases or plant fungous diseases and can be used as pesticides and pesticide additives for preventing and controlling the plant bacterial diseases or the plant fungous diseases.
Owner:GUIZHOU UNIV

Green agricultural compound Chinese herbal medicine bactericide

The invention discloses a green agricultural compound Chinese herbal medicine bactericide which is prepared from the following Chinese herbal medicines: schisandra chinensis, eucommia ulmoides, alpinia oxyphylla, bighead atractylodes rhizome, bletilla striata, radix scutellariae, radix stemonae, semen strychni, sophora flavescens, arundo donax, radix ophiopogonis, dandelion, liquorice, rheum officinale, radix lithospermi, clove, cortex magnoliae officinalis, fructus forsythiae and coptis chinensis; the bactericide is prepared by extracting the Chinese herbal medicines by alcohol; the bactericide is mainly used for controlling various diseases of various crops caused by fungi, so that the disease resistance and the immunologic function of the crops can be improved. After the green agricultural compound Chinese herbal medicine bactericide is used, the defects that the environment is polluted by the chemical pesticide and the drug resistance is easily caused can be overcome, and the problems that the biological pesticide is small in sterilization range and slow in pesticide effect can be solved; the green agricultural compound Chinese herbal medicine bactericide can be used for controlling various fungal and bacterial diseases of plants, does not cause drug resistance after being used for a long time, and is less in environmental pollution and harmless to people and livestock.
Owner:刘峰

Apis cerana royal jelly antibacterial peptide AccRoyalisin gene and encoded polypeptide thereof and application thereof

The invention discloses an Apis cerana royal jelly antibacterial peptide AccRoyalisin gene and an encoded polypeptide thereof and application thereof. The gene has a DNA sequence shown as SEQ ID No.4; and the encoded protein of the gene has an amino acid sequence shown as SEQ ID No.5. The antibacterial peptide gene can establish a high-expression genetic engineering strain by building an Escherichia coli expression vector, and performing producing and separating and purifying on a recombinant product through induction expression of the fermentation engineering. The recombinant product thereof has an obvious inhibiting effect on a plurality of gram positive bacteria, such as bacillus subtilis, staphylococcus aureus and micrococcus flavus and the like, can be used for preserving and refreshing foods, in particular for preventing food-born bacterial contamination, is harmless to human body and animals, can serve as a substitute of antibiotics and chemical preservatives and is also suitable for preventing and controlling bred animal bacterial diseases. The Apis cerana royal jelly antibacterial peptide AccRoyalisin gene and the encoded polypeptide thereof lay a foundation for the development, the massive industrial production and the application of the Royalisin.
Owner:ZHEJIANG UNIV

Bacillus pumillus microbial preparation with quorum sensing system inhibiting effect

InactiveCN103525723AInhibition inductionInhibition of QS signaling moleculesAntibacterial agentsBacteriaBacteroidesSignalling molecules
The invention relates to bacillus pumillus with a quorum sensing system inhibiting effect. The preservation number of the bacillus pumillus is CCTCC M2013240. The invention also provides an application of the bacillus pumillus and a microbial preparation which takes the bacillus pumillus or bacillus pumillus fermentation liquid as an active component. The invention has the advantages that chromobacterium violaceum is used as a screening model, a T-shaped streaking method and a filter paper method are used for screening out a bacterial strain F3-1 which can suppress the generation of the purple pigment of the chromobacterium violaceum, test results show that the bacterial strain F3-1 can suppress the QS signal molecule of the chromobacterium violaceum, has the effect of suppressing bacterial colony sensing and can be used for preparing the microbial preparation capable of preventing and treating aquatic bacterial diseases, and the foundation is laid for further researching a new aquatic bacterial disease preventing and treating method from the point of an interference bacterial colony sensing system.
Owner:SHANGHAI OCEAN UNIV

High-content liquid povidone-iodine

The invention relates to antisepsis and anti-inflammation medicaments, and particularly relates to high-content liquid povidone-iodine. The liquid povidone-iodine is prepared from the following raw materials in percentage by weight: 5.2-12.24 percent of iodine, 10-24 percent of polyvinylpyrrolidone, 2-4.8 percent of potassium iodide, 0.1-0.24 percent of potassium iodate, 15-36 percent of ethanol and the balance of water. The high-content liquid povidone-iodine is a reddish brown viscous liquid, is easily dissolved in water, has stable performance, strong sterilization efficacy and no irritation, is suitable for sterilization of operating parts and skin-mucosa or sterilization of aquatic water, can be used for preventing and treating bacteriosis of aquatic animals caused by vibrio, aeromonas hydrophila, edwardsiella tarda and the like and sterilizing the environment of livestock and poultry housings, plays a role in killing multiple bacteria, spores, viruses, fungi and the like, thus being a good iodine containing medical bactericide and epidemic prevention sanitizer.
Owner:SHENLONG APPL TECHN TAIYUAN CITY SHANXI PROV

Compound scutellaria injection for treating fowls and domestic animals infectious disease and preparation thereof

The present invention discloses a compound scutellaria injection for curing infectious diseases in livestock and poultry, characterized in that the injection is prepared from the following raw materials with the weight portions: 10 to 50 portions of scutellaria, 30 to 100 portions of radix bupleuri, 30 to 100 portions of honeysuckle, 30 to 100 portions of cordate houttuynia, 30 to 100 portions of dyers woad root, 30 to 100 portions of Daqing leaf, 10 to 15 portions of tween 80 and 10 to 15 of benzyl alcohol; and the water for injection is appropriately confected to 1,000. The present invention is a pure Chinese medicine injection with quick effect, high curing effect, rare recurrence after cure and no drug resistance of bacteria. The present invention with no side effect on livestock and poultry and safe use has the curing rate of virus and bacterial infectious diseases in poultry up to 95 percent and of toxic epidemic diseases and bacterial diseases in other livestock up to 82 percent.
Owner:四川兴华药业有限责任公司

Broad-spectrum bacteriophage preparation for aquaculture and preparation method thereof

The invention relates to the field of aquaculture, and discloses a broad-spectrum bacteriophage preparation for aquaculture and a reparation method thereof. The bacteriophage preparation is prepared by fermenting a bacteriophage strain with a collection number of CGMCC No.9623 through a gene engineering escherichia coli DH5alpha serving as a host bacterium. The preparation method comprises the following steps: (1) adding the escherichia coli DH5alpha into a culture medium for fermental cultivation, thereby obtaining a host bacterium fermented solution; (2) feeding bacteriophage and MgCl2 mother liquid into the host bacterium fermented solution for uniform mixing, and then performing stewing and multiplication culture, thereby obtaining a fermented mixed solution; (3) centrifugating the fermented mixed solution, thereby obtaining the bacteriophage preparation. The broad-spectrum bacteriophage preparation disclosed by the invention has splitting action on various aquacultured pathogenicbacteria, and can be independently used or used with other microecological preparations. Furthermore, the host bacterium adopts a gene engineering bacterium. The preparation method is simple, convenient and safe to use, has no side effects and can be popularized and applied to prevention and treatment of bacterial diseases of aquaculture.
Owner:ZHEJIANG INST OF FRESH WATER FISHERIES
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