245 results about "Poultry disease" patented technology

Disclosed is a plant antibiotics, prepared by adding each of plant fruits, seeds, kerns, peels, and shells or a mixture thereof at any weight ratio into a retort, heating to 115-150 DEG C, holding the temperature for 1-2 hours; then elevating the temperature to 200-250 DEG C, holding the temperature for 2-3 hours, then elevating the temperature to 350-450 DEG C, holding the temperature for 1-2 hours; collecting the dry distillation liquid of each period, mixing them, standing for 24-72 hours, waiting for stratification, isolating the transparent layer in the middle by siphon, which is the plant antibiotics disclosed. In the said plant antibiotics, the concentration of phenols is no lower than 0.5mg/ml, counted according to the amount of phenol; the concentration of formic acids is no lower than 1.5mg/ml, counted according to the amount of phenylformic acid; the pH value is 2-3.5 measured with an acidimeter. Disclosed plant antibiotics has application value in fields of medical sterilization, public health prevention and treatment, domestic bird diseases prevention, and foodstuff preservation and seasoning.

The invention discloses a compound feed and a preparing method thereof. The compound feed comprises a solid feed, wherein the solid feed comprises the following ingredients by weight: 0.56-3% of dried honeysuckle stem powder, 1.12-4% of living yellow mealworm or 0.28-1% of dried yellow mealworm, 5.6-20% of yellow mealworm excrement, 0.28-1% of malt powder, 1.12-3% of dried hawthorn powder, 0.56-1% of dried eucommia leaf and eucommia bark mixed powder, 0.672-1.2% of dried fructus forsythiae stem and leaf powder, 0.28-0.5% of ginko fruit and the balance of maize and bean pulp, wherein the sum of the quantities of all the ingredients is equal to 100%. The use of the compound feed for feeding laying hens can prevent chicken flocks from having poultry diseases and improve poultry immunity, and can obviously improve the nutrient ingredients of laid eggs. The cost investment is low.

The invention mainly relates to detection of poultry-derived component, which mainly relates to detection of poultry-derived component by using PCR-mtDNA. A specific PCR-mtDNA amplification primers for detecting poultry-derived component is characterized by compring a upstream ribonucleotide with length of 18bp, a downstream ribonucleotide with length of 19bp, and the sequence of the upstream primer PF(18bp) is 5'-AGAACTACGAGCACAAAC-3', and the sequence of the downstream primer PR(19bp) is 5'-GCTATACCTTGACCTGTCT-3'. The detection of poultry-derived component by using PCR-mtDNA has the advantages that: the method is an accurate, rapid and reliable identification method and technology of poultry-derived component, and has the important practical significance of effective resistance on propagation and spread of bird flu and other poultry diseases. The research utilizes aseptic ultrapure water to dilute DNA template of poultry to cause the concentration to decrease to 12ng per Mul, 1.2 ng per Mul, 120 pg per Mul, 12 pg per Mul, 1.2 pg per Mul, 120 fg per Mul, 12 fg per Mul and 1.2 fg per Mul, and carries out PCR amplification. Known from the electrophoresis result of PCR product, the minimum concentration which can be detected is 120 pg per Mul, so the sensitivity of the primer is 120 pg per Mul.

The invention relates to the technical field of poultry feed prepared by microbial fermentation and a preparation method of a spiral seaweed mud mixed chicken feed subjected to microbial fermentation. According to the preparation method, spiral seaweed mud and lactobacillus fermentation liquid are put and stored in a feed storage according to a certain mass percentage, the mixture is mixed with the chicken feed according to a certain proportion, by adopting a method for retaining freshness of the spiral seaweed mud subjected to the microbial fermentation, the use cost of feed spiral seaweed can be substantially lowered, the cost barrier that the spiral seaweed only can be added into the feed after being changed into spiral seaweed powder by spending expensive drying cost is avoided, and an excellent feed raw material can be industrially applied to poultry production with low cost; and meanwhile, according to the chicken feed prepared by using the method, the nutrition is rich, poultry diseases can be reduced, the resistance of poultry can be enhanced, the qualities of meat and eggs can be improved, and the epidemic prevention cost can be lowered.

The invention relates to a mixed yolk antibody for preventing and controlling infective oromeningitis and a preparation method thereof, and belongs to the technical field of biological agent preparation and poultry disease prevention and control. The invention takes a main epidemic serotype strain of duck plague pasteurella anatipestifer as an antigen to prepare the duck plague pasteurella anatipestifer hyperimmune yolk antibody. Infection treatment experimental results show that the prepared yolk antibody has the protection ratio for serotype I and serotype II duck plague pasteurella anatipestifer respectively reaching 80 percent and 90 percent. The product provides a new way to the prevention and control of duck infective oromeningitis and can be used for the preparation of veterinary medicines for controlling the disease or be prepared into health care products or feed additives for use. Moreover, the yolk antibody provides a material basis for improving the livestock product quality, reducing medicinal residue and promoting the human food safety.

The invention provides a new swine antibacterial peptide PR-39 mutant as well as a preparation method and application thereof. The new swine antibacterial peptide PR-39 mutant is obtained by carrying out space structure analysis on the amino acid sequence of swine antibacterial peptide PR-39 through biosoftware and mutating three amino acids of 39 amino acids, so that the antibacterial effect of the new swine antibacterial peptide PR-39 mutant is obviously improved. On the basis, a novel swine antibacterial peptide PR-39 mutant gene is artificially synthesized by adopting a pichia pastoris preferred codon, a new antibacterial peptide recombination yeast strain is obtained by expressing the novel swine antibacterial peptide PR-39 mutant gene by cloning into pichia pastoris, and a fermentation scale is expanded to a fermentation tank level, so that the high-density fermentation and high-efficiency expression of an antibacterial peptide product are realized. After fermentation liquor is further purified, antibacterial peptide preparations, namely powder, liquid and the like, are prepared for preventing and treating livestock and poultry diseases.

The invention belongs to the technical field of poultry breeding and particularly relates to a wheel type device and a wheel type method for automatically monitoring the health condition of cage culture chickens. The device comprises a movable trolley; a telescopic rod is arranged on the trolley; an image capturing probe and a thermal imaging probe are arranged at the top end of the telescopic rod; the output ends of the image capturing probe and the thermal imaging probe are electrically connected with an image processing module; and the output end of the imaging processing module is electrically connected with a display module and an alarm separately. The device and the method are favorable for building an unmanned chicken house, so that propagation of poultry diseases is reduced.

The invention discloses a detection reagent kit for rapidly detecting poultry disease viruses and a detection method of the detection reagent kit and belongs to the field of spectroscopy and molecular diagnosis. According to the detection reagent kit and the detection method, silver sol prepared through a hydroxylamine hydrochloride complexation method is adopted as a Raman enhancement reagent; after the silver sol and an object to be detected are mixed evenly at a certain proportion, the mixture is dripped onto a quartz plate; after natural air drying, Raman detection is carried out with a SmartRaman Ocean5pro portable Raman spectrometer; after principal component analysis and linear discriminant analysis are carried out on an obtained Raman spectrum, qualitative detection of the target pathogen is achieved. The detection reagent kit is easy and convenient to operate and high in sensitivity and has broad application prospects.

The invention provides a preparation method of a tartaric acid valnemulin premixing agent, belonging to the field of veterinary antibiotic preparations. The preparation method comprises the following steps of: preparing a coating liquid from a coating material, an anti-sticking agent and purified water; atomizing the coating liquid and spraying the atomized coating liquid into a fluidized bed; coating tartaric acid valnemulin to prepare coated grains; and screening the coated grains and then mixing the screened grains with a diluent, so as to prepare the tartaric acid valnemulin premixing agent. The tartaric acid valnemulin premixing agent prepared by the preparation method is stable in medicine quality, increases the bioavailability of medicines, has outstanding medicine effect, and is mainly used for treating and preventing livestock and poultry diseases.

The invention discloses a visual protein chip for detecting serum antibody of new-castle disease virus of chickens, infectious bronchitis virus of chickens, avian influenza virus and infectious bursal disease virus of chickens , which is prepared by the following steps: purifying and diluting whole proteins of the four virus respectively; pointing samples of the positive control serum, the negative control serum and the four virus proteins onto a chip carrier respectively; drying, fixing, sealing and washing the samples to obtain the visual protein chip. The visual protein chip uses the purified whole proteins as capturing antigens to detect the virus-specific antibodies in chicken serum so as to simplify the preparation technology and reduce the production cost, and the visual protein chip has better specificity but no cross, has high reliability of results and has the advantages of quickness, simplicity and convenience, high sensitivity, good specificity and the like. When the serum is diluted by 6,400 times, the visual protein chip still can detect the antibodies, the sensitivity is 400 times of that of the prior AGP detection method. According to the detection to serum samples in-place, the detection rate of the visual protein chip is higher than the proir AGP method remarkably.

The invention discloses a multi-stage exhausting and deodorization device for livestock and poultry houses. The multi-stage exhausting and deodorization device comprises an exhaust outlet formed in a livestock and poultry house wall, an exhaust suction fan, an exhaust collection pipeline and a three-stage filtering device used in exhausting of waste gas from livestock and poultry houses; air is exhausted from the livestock and poultry houses by the fan in a negative-pressure manner; the deodorization device comprises a dust-barrier and flow guide module, a spray module and a biofiltering module, an underground drain outlet is connected below the spray module, a soil humidity sensor is arranged in the biofiltering module, and an automatic rainproof roller blind is arranged above the biofiltering module. The specific dimensions of the livestock and poultry houses can be calculated and designed according to the observed data of a proposed place, and are evaluated, not only can odor be effectively prevented from emitting to outside air and polluting air, but also the propagation of livestock and poultry diseases can be prevented while the exhausting and cleaning are achieved, and the multi-stage exhausting and deodorization device for livestock and poultry houses has higher economic benefits in the long run compared with the traditional exhausting and deodorization manner of the livestock and poultry houses.

The invention provides a poultry-disease intelligent diagnosis method and a system thereof. First image information is stored in advance. The first image information records poultry apparent characteristics corresponding to specific kinds of diseases. Then, image information of an external shape of each one in the poultry can be automatically acquired. The two are compared so that whether the external shape of each one in the poultry matches with the poultry apparent characteristic of one kind of disease can be obtained. When the external shape matches with the apparent characteristic, prompt information is sent to prompt that the poultry may have a disease and simultaneously the disease type is prompted. By using the above scheme, the external shape of each one in the poultry can be automatically compared to the poultry apparent characteristics corresponding to different kinds of the diseases in real time, whether the poultry has a disease can be automatically diagnosed, disease information, the disease type and a treatment method are prompted to a farmer so that the farmer can timely discover that the poultry has the disease, timely processing is performed and large losses are avoided.

The invention discloses a veterinary oral liquid with scourge-clearing and detoxifying effects and a preparation method thereof. The veterinary oral liquid comprises the following raw materials in parts by weight: 25 to 40 parts of radix rehmanniae, 40 to 60 parts of fructus gardeniae, 40 to 50 parts of radix scutellariae, 30 to 50 parts of fructus forsythiae, 25 to 40 parts of radix scrophulariae, 30 to 50 parts of radix isatidis, 30 to 50 parts of honeysuckle flower, 20 to 30 parts of honey-fried radix stemonae, 20 to 35 parts of white mulberry root bark, 10 to 15 parts of rhizoma paridis, 10 to 13 parts of cyrtomium rhizome, and 10 to 15 parts of liquorice root. The veterinary oral liquid with heat-clearing and detoxifying effects has the advantages that the effects of resisting bacteria and virus, strengthening and fixing body resistance, clearing heat and detoxifying, replenishing and activating blood, invigorating Qi and tonifying spleen, promoting appetite, promoting growth, and improving immunity of body are realized; the effects for livestock and poultry with ditemper and scourge toxin are unique; the effect of treating livestock and poultry diseases caused by virus or bacteria is obvious, and the easiness in precipitation is avoided; the effective ingredients in traditional Chinese medicine are furthest extracted, and the economic benefit is improved.

The invention discloses a plant-source active feed additive and applications thereof in preparation of feed for livestock and poultry. The feed additive comprises germinated-soybean powder, tea dust culture, cinnamon volatile oil and inulin in a weight ratio of 1:0.5-1:0.01-0.05:0.01-0.03. The feed additive is used for preparation of feed for livestock and poultry. The feed additive is capable of improving palatability of the feed, promoting food taking, promoting growth of the livestock and poultry, boosting immunity and anti-stress capability of the livestock and poultry, decreasing the occurrence rate of livestock and poultry diseases, effectively relieving heat stress in summer, increasing the meat factor of commodities, improving the meat quality, and largely reducing discharge of face stench. The feed additive has a good market prospect.

The invention discloses a poultry feed additive and a preparation method thereof. The feed additive is composed of the following components in parts by weight: 20 to 50 parts of radix astragali extract, 10 to 40 parts of licorice extract, and 20 to 40 parts of fructo-oligosaccharide. The provided poultry feed additive is prepared by compounding radix astragali extract, licorice extract, and fructo-oligosaccharide, is a green feed additive, and has the characteristics of no toxicity, no residue, and no side effect. Moreover the additive is capable of improving the poultry growth performance, strengthening the poultry immunity, and improving the poultry disease resistant performance through modulating the intestinal micro environment in poultry. The preparation method of the poultry feed additive has the advantages of simple technology, convenient operation, and suitability for massive industrial production.

The invention relates to a Riemerella anatipestifer bivalent inactivated vaccine and a preparation method thereof, which belongs to the technical field of preparing livestock biological preparations and controlling poultry diseases. The antigens of the vaccine are a Riemerella anatipestifer serum I strain and a serum II strain, and the proportion of the strain antigens is proper in fit. The immune period can be as long as more than 70 days through one injection of the vaccine, and the immune protection efficiency to serum I and serum II reaches more than 90 percent. The vaccine has the advantages of simplifying immunization procedures, reducing the stress reaction of inoculate animals and saving cost for production and injection. The vaccine used for commercial production can end the reality that the control on duck infectious serositis in China excessively depends on drugs, and can provide strong technical support and material guarantee for the healthy stable development of the duck breeding industry.

The invention relates to the technical field of prevention and control of livestock and poultry diseases, in particular to a live coccidiosis vaccine and application thereof. The vaccine comprises a coccidiosis virulent strain and a coccidiosis attenuating strain having the same parasitic site or having the same parasitic site at any one or more stages of the parasitic life history; in the vaccine, the oocysts number ratio of the coccidiosis attenuated strain to the coccidiosis virulent strain is 50:1-3:1. A high dose of the weakly pathogenic coccidiosis strain is used for producing a competitive occupying advantage for a highly pathogenic strain having the same parasitic site, a occupying effect of the symbiotic pathogen in vaccine components is established, and the fertility, pathogenicity and damage to a host caused by over-intake are reduced after the highly pathogenic strain is immunized as the vaccine components. The coccidiosis vaccine can effectively improve the safety of the vaccine, reduce the cost of drug prevention and control, and have a good application potential while ensuring the immune efficacy of the vaccine.

Antigenic polypeptides, capable of inducing an immune response against multiple parasites, and methods of designing such polypeptides, are provided. Also provided by the invention are polynucleotides encoding such polypeptides, as well as recombinant vectors and transformed host cells containing the said polynucleotides. Oral administration and intramuscular injection of the polypeptides provides vaccination protection against infection from Eimeria parasites that result in the poultry disease coccidiosis.

The invention belongs to the field of poultry disease detection and particularly relates to a one-step multiplex-PCR detection method for detecting four kinds of poultry respiratory disease pathogens simultaneously. The method is characterized by comprising the steps of providing a disease material possibly containing the four kinds of pathogens, extracting RNA, adding primers of the four kinds of pathogens to conduct PCR amplification and judging electrophoresis to obtain the result. The detection method is simple, convenient to operate and stable in accuracy and repeatability, whether the disease material contains the four kinds of pathogens can be confirmed in one experiment, 3/4 of detection cost is saved, detection time is shortened, and detection efficiency is improved.

The present invention relates to an interferon livestock and poultry micro-ecology additive, which comprises, by mass, 18-22% of lactic acid bacteria, 20-30% of Bacillus subtilis, 10-14% of glucose, 0.5-1.5% of interferon-alpha, and 40-45% of plasma protein powder. According to the present invention, the product is based on the livestock and poultry body health, the probiotic and interferon combination way is used, and the body immunity improving and the in vivo virus purification are considered, such that the livestock and poultry disease occurrence is effectively reduced, and the death rate is reduced; after the used interferon-alpha is intaken by the livestock and poultry, the interferon can be bound with the receptor on the oral mucosa so as to be rapidly used by the body and avoid the gastric and hepatic metabolism, wherein the utilization rate is up to 90%, and no toxic-side effect exists; and after the lactic acid bacteria and the Bacillus subtilis enter the gastrointestinal tract, the intestinal tract microorganism balance can be adjusted, the intestinal tract health can be promoted, the nutrient absorption can be helped, and the body health level can be improved.

The invention relates to the field of traditional Chinese medicine for treating poultry diseases, in particular to traditional Chinese medicine for treating poultry synovial bursa mycoplasmosis and apreparation method thereof. The traditional Chinese medicine for treating poultry synovial bursa mycoplasmosis is prepared from the following raw materials in parts by weight: 10 to 20 parts of radixcodonopsis, 10 to 20 parts of liquorice roots, 15 to 25 parts of rhizoma zingiberis, 10 to 20 parts of radix aconiti carmichaeli, 15 to 30 parts of cassia twigs, 15 to 25 parts of poria cocos, 15 to 25 parts of bighead atractylodes rhizome, 10 to 20 parts of rhizoma sinomeni cauliset, 15 to 25 parts of radix clematidis, 12 to 20 parts of Chinese herbaceous peony flowers, 10 to 20 parts of medicinal cyathula roots and 15 to 25 parts of caulis spatholobi. The traditional Chinese medicine is put into a traditional Chinese medicine extraction tank; water is added for decoction and boiling; backflow extraction is performed twice; the decoction solutions in the two times are merged; then, filtering is performed; after filter liquid is concentrated, the materials are cooled to the room temperature; the traditional Chinese medicine liquid is obtained. The traditional Chinese medicine is scientifically matched according to the monarch, minister, assistant and guide principle, and achieves the effects of invigorating the spleen to eliminate damp, removing cold to eliminate damp and clearing and activating the channels and collaterals. The traditional Chinese medicine has the advantages thatthe use of antibiotics is reduced; the green and antibiotic-free culture is practiced; the safety and the health of poultry meat products are guaranteed.