405 results about "Enteritides" patented technology

The invention discloses a traditional Chinese medicine composition for preventing and treating bacterial diarrhea of livestock and poultry, and belongs to the field of traditional Chinese medicines. The traditional Chinese medicine composition comprises the following components in percentage by weight: 18-19% of coptis root, 14-15% of nutgall, 14-15% of pomegranate rind, 14-15% of myrobalam, 22-23% of astragalus mongholicus, 7-8% of atractylis ovata and 7-8% of radix sileris. The traditional Chinese medicine composition for preventing and treating bacterial diarrhea of livestock and poultry disclosed by the invention has significant curative effects on treating colibacillosis, salmonellosis and other bacterial diarrhea as well as chronic enteritis, irritable colon and other chronic diarrhea of the livestock and poultry. At the same time, the traditional Chinese medicine composition disclosed by the invention has the advantages of low production cost, and small toxic or side effect.

The invention relates to a medicine feed used for fish, in particular to a traditional Chinese medicine feed additive for preventing a fish disease, wherein the traditional Chinese medicine feed additive for preventing the fish disease is suitable for being used for curing and preventing the fish disease. The traditional Chinese medicine feed additive for preventing the fish disease is prepared by, by weight, 10-20 parts of rheum officinale, 5-15 parts of goldthread, 20-40 parts of Chinese gall, 20-30 parts of acorus calamus, 20-30 parts of common andrographis herb, and 20-40 parts of pericarpium granati. The traditional Chinese medicine feed additive for preventing the fish disease can be produced by being mixed with common fish feed and can be digested by fish, and the fish can be prevented from the disease and treated in a shortest time, and disease curing and preventing effect is good. The traditional Chinese medicine feed additive for preventing the fish disease is simple in production technique, reasonable in price, low in cost, wide in antibacterial spectrum, good in functions of insect killing and bacteriostatic action, pretty good in preventing and curing fish diseases such as bacillary enteritis, convenient to use, easy to store, good in pesticide effect, and good in economic benefit and social benefit.

The invention relates to the field of biological medicine, in particular to an application of Rakicidins compounds in resistance to clinical pathogenic anaerobic bacteria. Pharmacodynamic experiments indicate that the Rakicidins compounds have good resistant effect on the clinical pathogenic anaerobic bacteria and have the resistant effect on vancomycin enterococcus infection diseases. The Rakicidins compounds can be used for treating diarrhea, enteritis, alimentary infection, oral infection or skin acne caused by clostridium difficile as well as diseases such as urinary tract infection, or skin soft-tissue infection and the like.

The invention provides lactobacillus plantarum resistant to enteritis salmonella infection and the application thereof and belongs to the technical field of microorganisms.The lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC) on Sep, 24th, 2015 with the preservation number of CGMCC No.11446.The lactobacillus plantarum CGMCC No.11446 has high acid and cholate resistance, and has a remarkable inhibition effect on growth of enteritis salmonella.Adhesion of enteritis salmonella to enterocyte HT-29 is strongly inhibited, and enteritis salmonella infection is prevented or relieved.The lactobacillus plantarum CGMCC No.11446 can be used for preparing pharmaceutical compositions for preventing or relieving enteritis salmonella, food containing activity lactobacillus and fermented food, and has broad application prospects.

The invention relates to a method for detecting bacteria, in particular to a method for detecting enteritis pathogenic bacteria. The method comprises the following steps of: (1) extracting DNA (Deoxyribonucleic Acid) of one or more bacteria samples; (2) amplifying full length of 16S rDNA (ribosomal DNA) of a sample by using a primer of 16S rDNA of bacteria; (3) breaking an amplified PCR (Polymerase Chain Reaction) product; (4) repairing ends of the broken product from each bacteria sample and connecting deoxyadenosine at the end 3' of the product, and then connecting different PCR-free joints; (5) sequencing a connection product by using a second-generation sequencing technology to obtain a sequence of the connection product; and (6) comparing the sequence with 16S rDNA reference sequences of all existing bacteria to determine types of bacteria existing in each sample.

The invention relates to a multiplex PCR-based synchronous and rapid method for detecting 13 pathogenic microorganisms in water, which comprises the steps of using multiplex PCR to simultaneously amplify gene-specific fragments of the 13 pathogenic microorganisms including escherichia coli, enterohaemorragic escherichia coli o157:h7, legionella pneumophila, salmonella enteritidis, shigella dysenteriae, staphyloccocus aureus, listeria monoeytogenes, helicobacter pylori, mycobacterium tuberculosis, klebsiella pneumonia, vibrio cholera, bacillus anthracis and yersinia pestis, and detecting PCR amplified products through agarose gel electrophoresis, thereby achieving synchronous and rapid detection for the 13 pathogenic microorganisms.

The invention discloses an artificial feed for aquarium fishes. The artificial feed comprises the components of fish meal, antibacterial peptide, raw bran, soybean meal, calcium dihydrogen phosphate, cuttlefish cream, fish oil, phosphatide oil, premix, earthworm powder, fly larva powder, yeast powder, shrimp powder and bacillus. The artificial feed disclosed by the invention can increase the breeding survival rate of the aquarium fishes, can accelerate the growth of the aquarium fishes, can reduce the enteritis attack rate of carnivorous aquarium fishes in a breeding process, and can contribute to realizing large-scale popularization of the breeding of the aquarium fishes.

The present invention discloses a grass carp enteritis treatment drug composition, which contains, by weight, 10-30 parts of humulus scandens, 20-30 parts of humifuse euphorbia herb, 2-10 parts of melia azedarach leaf, 20-25 parts of heartleaf houttuynia herb, 2-10 parts of arborvitae leaf, and 2-7 parts of garlic. The invention further discloses a preparation method for the drug composition. According to the grass carp enteritis treatment drug composition, honeysuckle provides an anti-pathogenic microorganism effect, a certain inhibition effect is provided for a variety of pathogenic bacteria such as staphylococcus aureus, hemolytic streptococcus, escherichia coli, shigella dysenteriae, vibrio cholerae, typhoid bacillus, paratyphoid bacillus and the like, and a certain inhibition effect is further provided for pneumococcus, meningococcus, pseudomonas aeruginosa, and tubercle bacillus. The preparation method is simple and easy to perform, and is suitable for mass production.

The invention discloses a salmonella phage RDP-NSA-19050 with a wide lysis spectrum, wherein the preservation number is CGMCC No.21415, the gene length is 87591 bp; after sequencing is carried out on whole genes, it is found that the salmonella phage RDP-NSA-19050 does not have virulence genes and lyogenic genes, and the salmonella phage RDP-NSA-19050 has a good lysis spectrum. The salmonella bacteriophage RDP-NSA-19050 provided by the invention can be used for cracking a plurality of pathogenic bacteria such as salmonella steulani, salmonella gallinarum, salmonella typhimurium, salmonella paratyphi A, salmonella paratyphi B, salmonella typhimurium, salmonella enteritidis and salmonella kkinensis; the salmonella bacteriophage RDP-NSA-19050 has the characteristics of wide splitting spectrum and high splitting rate, can be independently used, can also be compounded with bacteriophages of other escherichia coli and salmonella and probiotics for use, and can effectively reduce the death rate of chicken infected with salmonella.

Gut health in poultry is improved by providing an efficacious amount of extracts of tannic acid via feed or via drinking water. The extracts of tannic acid are also effective when the poultry are infected with coccidiosis and/or necrotic enteritis. In alternative embodiments, an efficacious amount of Bacillus coagulans is also included.

Disclosed herein is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum, and Salmonella pullorum without affecting beneficial bacteria, in addition to showing excellent tolerance to acid, heat and desiccation. The novel bacteriophage of the present invention can be widely used as an active ingredient for therapeutic agents, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella enteritidis, Salmonella typhimurium, Salmonella gallinarum or Salmonella pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the Salmonella bacteria. The present invention also provides important insights into prevention and control strategies against Salmonella infection and suggests that the use of bacteriophage can be a novel, safe, and effectively plausible alternative to antibiotics for the prevention of Salmonella infection in poultry.

The invention discloses a medicine for treating gastrointestinal diseases by utilizing biological live bacteria, which is prepared from the following substances: 1 to 6 weight portions of oligoisomaltose, 1 to 6 weight portions of glucose, as well as 1 to 10 hundred million CFU/gram of bifidobacteria, 1 to 10 hundred million CFU/gram of lactobacilli and 1 to 10 hundred million CFU/gram of probiotics which take the total weight of the oligoisomaltose and the glucose as a radix number, wherein the probiotics are at least one of bacillus, lactococcus and enterococcus. The medicine is based on a modern microecology theory, adopts a probiotic live bacteria preparation to treat diseases such as gastritis, gastric ulcer, enteritis, diarrhea, constipation, indigestion, abdominal distension, diarrhea, intestinal cancer, acute and chronic hepatitis, low immunity and the like, and has the advantages of reliable action, broad function, safe use, no any toxic side effect and irritation, convenient administration and carrying and the like.

The invention discloses a salmonella bacteriophage and an application thereof in medicines for preventing and treating salmonella infection diseases. The bacteriophage is named as SPP11 and is preserved in China General Microbiological Culture Collection Center, wherein the preservation date is Nov.04,2019, and the preservation number is CGMCC No.18868. The bacteriophage SPP11 with a strong cracking spectrum has a strong cracking effect on salmonella, can effectively prevent and control salmonella diseases in poultry farms, reduce positivity of the pullorum disease antibody of chickens, reducediarrhea of chickens caused by salmonella enteritis, and can also be used for salmonella sterilization of feeding environment, feed, drinking water and the like. In addition, the bacteriophage is easy for industrial production, and medicines or disinfectants prepared by the bacteriophage not only have reduced cost, but also have the advantages of environmental friendliness.

The invention relates to a lactococcus garviea bacteriocin, a preparing method thereof and an application thereof. The high-yield actococcus garviea bacteriocin can be obtained in the mode that lactococcus garviea is subjected to fermented cultivation, and then the bacteriocin in the cultivating-fermenting liquid is extracted with a pH adsorption method; more than 800 mg of the lactococcus garviea bacteriocin can be prepared through 1 L of the fermenting liquid. The lactococcus garviea bacteriocin has quite high broad-spectrum bacteriostasis capacity and has a quite high inhibiting effect on some gram negative bacteria, some gram positive bacteria, yeast and mould causing human diseases and food spoilage. The lactococcus garviea bacteriocin has the effect of treating and preventing acute and chronic enteritis.

An alcohol extract of polygonum lapathifolium includes such steps as breaking, reflux extracting in alcohol 2-3 times, collecting filtrate, vacuum concentrating, centrifugal separation to obtain supernatant, extracting in ethyl acetate 2-3 times, collecting liquid extract, vacuum concentrating, silicagel column chromatography and eluting with TLC developer. It can be used for preventing and treating cancer, and treating bacillary dysentery, enteritis, eczema, snake bite, etc.

The invention relates to a clostridium perfringen alpha toxin genetic engineering vaccine and application thereof. The clostridium perfringen alpha toxin genetic engineering vaccine is prepared by designing a specific primer, implementing polymerase chain reaction (PCR) amplification on A-type clostridium perfringen DNA to obtain an alpha toxin gene segment, cloning the gene segment onto a pMD18-T Vector, selecting a positive recon and linking the positive recon onto a PET-28 alpha (+) plasmid; introducing the recombinant plasmid to a receptor strain to successfully construct a recombinant strain BL21 (DE3)-alpha; emulsifying the prepared alpha toxin protein and an aluminum hydroxide adjuvant at a volume ratio of 9:1, and adding 0.01% thiomersal to obtain the clostridium perfringen alpha toxin genetic engineering vaccine. The clostridium perfringen alpha toxin genetic engineering vaccine is easy for realization of industrial production, simple to operate and good in safety, and is capable of effectively preventing such diseases as animal necrotic enteritis, enterotoxemia, and human and animal traumatic gas gangrene caused by the A-type clostridium perfringens.

The invention belongs to a classification and identification method upon 13 common pathogenic bacteria, and specifically relates to a method for carrying out classification and identification upon 13 common pathogenic bacteria such as B. cereus, E.coliO157: H7, S.aureus, S.epidermidis, E.coli, E.sakazakii, S.sonnei, L.monocytogenes, C.freunddi, S.typhimurium, E.aerogenes, E.cloacae, and S.enteritidis by using a Fourier transform infrared spectroscopic (FT-IR) technology combined with chemometric operation (hierarchical cluster analysis). The method comprises the steps of the establishment of a FT-IR spectra information database of the 13 pathogenic bacteria, bacteria culturing, ZnSe window manufacturing, spectral acquisition and preprocessing, and result determination by hierarchical cluster analysis. The method has the advantages of high resolution, high speed, simple operation, and low cost.