40 results about "Egg drop syndrome" patented technology

The invention aims at providing an I-colony fowl adenovirus 4 strain, which is preserved with preservation number of CCTCC No. V201541. The I-colony fowl adenovirus 4 YBAV-4 strain disclosed by the invention is excellent in specificity and immunogenicity; a specific precipitation line does not appear in specific positive serum chicken SPF chicken serum such as infected cell sap and egg drop syndrome resisting virus, chicken infectious bursal disease virus, Newcastle disease virus, chicken infectious laryngotracheitis virus, chicken Marek's disease virus, avian influenza and the like, while an obvious specific precipitation line appears in I-colony fowl adenovirus 4 specific serum. The strain disclosed by the invention, as a vaccine strain which is good in manufacturing effect, is capable of preventing chicken hydropericardium syndrome, and the strain is applicable to identification of virus serotype and investigation on epidemiology.

The invention relates to veterinary herbal medicine capable of increasing the egg yield of laying hens. The veterinary herbal medicine is prepared from, by weight, 6-12 parts of codonopsis pilosula, 6-12 parts of astragalus membranaceus, 6-12 parts of herba epimedii, 15-36 parts of folium artemisiae argyi, 15-36 parts of leonurus, 15-36 parts of hawthorn fruit, 15-24 parts of euphorbia humifusa, 15-24 parts of fructus psoraleae, 30-60 parts of pine needles, 15-24 parts of rhizoma atractylodis, 6-12 parts of angelica sinensis, 15-36 parts of houttuynia cordata, 15-36 parts of malt, 6-15 parts of poria cocos, 6-15 parts of rhizome atractylodis macrocephalae, 6-15 parts of cistanche, 6-12 parts of salviae miltiorrhizae, 6-12 parts of silkworm excrement and 15-36 parts of pericarpium citri reticulatae. By invigorating spleen-stomach, replenishing qi, tonifying spleen, reinforcing kidney and invigorating blood circulation, the productivity of laying eggs is improved, egg quality is improved, disease resistance is improved, and feed return rate is increased. Meanwhile, the veterinary herbal medicine can be used for preventing and treating the egg drop syndrome, laying drop caused by unknown reasons, and no laying peak or laying lingering without increase of laying hens, and has a remarkable effect on recovery of the egg laying rate of sick hens after rehabilitation.

In the invention, a section of conserved sequences of four virus genes, namely Newcastle disease virus (NDV), infectious bronchitis virus (IBV), polymerase chain reaction (PCR) technology amplified egg drop syndrome (EDS) and infectious laryngotracheitis (ILT) by a molecular biotechnology (RT) PCR method is taken as a probe, a cellulose membrane is taken as a substrate (namely a most important basic platform in the detecting kit) to extract target pathogenic nucleic acid from pathological materials, and marked bio-16-dUTP is added during (RT) PCR to obtain a marked PCR product. The marked product is placed in the detecting kit for hybridizing detection, and quick and effective judgment and analysis on a biological sample are realized by observing changes of hybridization colors.

The invention discloses an mRT-PCR (multiple reverse transcription-polymerase chain reaction) kit for discriminating and detecting important avian economic animal viruses and an application of the mRT-PCR kit. The kit comprises primer pairs for detecting an AIV (avian influenza virus) M gene, AIV H7,H9 and H5 subtypes, an NDV (newcastle disease virus), an ILTV (infectious laryngotracheitis virus), an IBDV (infectious bursal disease virus) and an EDS (egg drop syndrome) virus. The mRT-PCR kit has the characteristics of high sensitivity, high specificity and the like when used for detecting AIVs and other common respiratory viruses, can be used for immediately detecting and discriminating important and popular subtypes of the AIVs and five avian respiratory pathogens most popular in China and has a great significance in zoonosis control, monitoring, prevention and control of avian mixed infection, biosafety of farms, reduction of loss of the breeding industry, food safety, quarantine and the like.

The invention discloses a feed preventing egg drop syndrome of a laying duck. The feed comprises the following components in parts by weight: 15 to 35 parts of corns, 15 to 35 parts of sorghum, 8 to 15 parts of flour, 8 to 20 parts of soybean meal, 3 to 10 parts of rapeseed meal, 8 to 20 parts of corn distiller, 8 to 10 parts of rock flour, 2 parts of Chinese herbal medicine preparation, 0.2 part of a micro ecological preparation and 2 to 2.5 parts of multi-dimensional multi-mineral premix compound. The feed is rich in nutrition, the growth need of the laying duck can be comprehensively satisfied; by supplementing the Chinese herbal medicine and the micro ecological preparation, the anti-virus capability of the laying duck can be effectively improved, and the growth performance, the egg laying rate and the egg quality of the laying duck can be improved; moreover, the feed is environmentally friendly, safe, non-toxic and free from side effect and residue.

The invention discloses a traditional Chinese medicine particle for preventing and treating avian influenza and improving chicken flock immunity and a preparation method thereof. The traditional Chinese medicine particle is prepared from an echinacea extract, a lonicera japonica leaf extract and an astragalus membranaceus extract in a mixing manner. The traditional Chinese medicine for preventing and treating the avian influenza and improving the chicken flock immunity disclosed by the invention is reasonable in chosen drugs, and quick to take effect, can prevent and treat the avian influenza, also improves the immune condition of the chicken flock, enhances the antiviral ability of a body, enables the chicken to freely intake, prevents an egg drop caused by an egg drop syndrome, and simultaneously has the advantages of being small in side effect, low in cost, high in drug stability and the like. The traditional Chinese medicine particle is simple and efficient in technology and easy to operate. The proposed traditional Chinese medicine for preventing and treating the avian influenza and improving the chicken flock immunity is applied to prevention and treatment of the avian influenza, and significant improvement of the chicken flock immunity.

The present invention is intended to provide an egg drop syndrome (EDS) vaccine that is capable of effectively preventing EDS and can be stably supplied. The EDS vaccine provided to this end contains as an active ingredient fused protein in which a polypeptide having a coiled-coil forming unit is bound to the knob region in the fiber protein of EDS virus (EDSV).

The invention discloses a traditional Chinese medicine premix for prevention and treatment of an egg drop syndrome of laying hens and a preparation method of the traditional Chinese medicine premix. The premix is prepared from, by weight, 8-12 parts of semen cuscutae, 6-10 parts of herba lycopi, 3-6 parts of herba bidentis frondosae, 5-8 parts of spica prunellae, 10-15 parts of rhizoma cibotii, 3-6 parts of herba portulacae, 8-10 parts of semen glycines nigrae, 6-10 parts of fructus cnidii, 2-5 parts of spora lygodii, 4-8 parts of fructus chaenomelis, 2-5 parts of herba solani, 3-8 parts of excrementum pteropi and 5-8 parts of fructus foeniculi. According to traditional theories and treatment principles in traditional Chinese medicine, physiological characteristics of the laying hens and clinical symptoms of the egg drop syndrome, the premix for prevention and treatment of the egg drop syndrome is developed. The traditional Chinese medicine premix is scientific and compatible in formula and synergistic in efficacy and has efficacies of kidney warming, Yang tonifying, kidney essence nourishing, Qi replenishing, blood nourishing, blood circulation promoting, stasis removing, heat clearing, detoxifying, wind dispelling, dampness eliminating, spleen strengthening, stomach harmonizing, Qi circulation promoting and pain relieving, and effectiveness in prevention and treatment of the egg drop syndrome of the laying hens can be achieved. In addition, the traditional Chinese medicine premix is extensive in traditional Chinese medicine source, effective, safe and reliable and has no side effect.

The invention discloses a preparation and activity detection method for duck leukocyte interferon for treating duck viral disease. Duck source newcastle disease virus is used as an inducer for inducing healthy duck leukocyte. The method comprises the processes of raw material preparation, mixing, water bath stirring culture, centrifugation and harvesting, virus inactivation, sterilization, anti-virus activity detection and the like. The fresh complete blood of a duck is successfully used as a raw material, the preparation process is simple and convenient, and the product quality is reliable. After the duck leukocyte interferon is used for a duck body, the duck leukocyte interferon has the characteristics of good treatment effect, safety, reliability, no toxic or side effect and the like. The duck leukocyte interferon for broad spectrum virus resistance has the function of treating the viral diseases such as duck plague, duck viral hepatitis, duck source newcastle disease, duck source egg drop syndrome and the like. The duck leukocyte interferon is used for the animal body, and has the advantages of good treatment effect, safety, reliability, low using amount, no toxic or side effect, low cost and the like.

The invention discloses laying hen feedstuff used for treating a laying hen egg drop syndrome and a preparation method thereof. The feedstuff is prepared from corn, bean pulp, peanuts, sunflower seeds, cabbage, black sesame, limestone powder, edible salt, butter, microelement premix, vitamin premix and a feedstuff additive. The feedstuff has the advantages that the raw materials of the laying hen feedstuff are natural products and can effectively prevent the laying hen egg drop syndrome and increase the quantity of eggs laid by laying hens and the qualified rate of immunity, and the feedstuff is high in safety and free of medicine residues and toxic and side effects.

The invention discloses a mixed freeze-dried powder for resisting Newcastle disease, infectious bronchitis, egg drop syndrome and bird flu and a preparation method thereof. The mixed freeze-dried powder comprises the following components: resisting Newcastle disease, infectious bronchitis, egg drop Syndrome, avian influenza quadruple yolk antibody, anti-Newcastle disease, infectious bronchitis, egg drop syndrome, avian influenza quadruple transfer factor, preservatives, inactivators, selenium, vitamin C, polyvinylpyrrolidone, glycine. In the mixed freeze-dried powder of the present invention, quadruple yolk antibody and quadruple transfer factor are compounded, supplemented with various auxiliary materials, and each component cooperates and coordinates with each other, which can significantly improve its comprehensive prevention and treatment of Newcastle disease and infectious bronchitis. , Egg Drop Syndrome, and Avian Influenza. It has the advantages of long storage time at room temperature, high antibody titer, and good biological activity. It is a powerful biological agent with broad application prospects.

The invention discloses a traditional Chinese medicinal granule used for treating egg drop syndrome and a preparation method thereof and belongs to the filed of traditional Chinese herbal pharmaceutical preparation with uncertain structure. The traditional Chinese medicinal granule used for treating the egg drop syndrome is mainly prepared from the following raw materials in parts by weight: 5-8 parts of acanthopanax root, 4-6 parts of gynostemma pentaphyllum, 4-6 parts of rhizoma alismatis, 2-5 parts of epimedium herb and 1-3 parts of fevervine. The preparation method of the traditional Chinese medicinal granule used for treating the egg drop syndrome comprises the following steps: adding water into the seven traditional Chinese medicines, decocting, filtering decoction solution, concentrating into extract, drying, smashing, then adding cane sugar, blending, granulating, sieving granules with a 10-mesh sieve, drying, and then sieving with the 10-mesh sieve, thus the traditional Chinese medicinal granule is obtained. The traditional Chinese medicinal granule used for treating the egg drop syndrome is obvious in treatment effect, effect can be quickly taken, no drug residue is produced, no toxic or side effect is produced, and the traditional Chinese medicinal granule has a good application prospect in the feeding industry.