13 results about "Diseases transmission" patented technology

The present application relates to the technical field of livestock trough, and discloses a multifunctional trough for livestock breeding and a use method thereof, which comprises a base and a side fence fixed on the edge of the base, a support and a platform are fixed on the top of the base, a trough is installed on the inner side of the support, a fence door corresponding to the position of the platform is installed on the side fence, and a plurality of feeding ports are arranged on the side fence. The mixer and the main driving assembly are installed beside the trough, so that the feed can be automatically configured and uniformly fed into the trough, which is beneficial to realize automatic feeding and reduce the workload of the breeder. In addition, during the feeding process, the main driving assembly and the auxiliary driving assembly cooperate to insert the partition plate into the trough, so as to isolate the sick livestock, and then the special feed is fed to the sick livestock through the mixer, which is beneficial to separately feed and treat the sick livestock, improves the treatment efficiency, and reduces the probability of disease transmission.

The invention relates to the technical field of aquaculture disease prevention and control and molecular biology, in particular to an RNA interference agent for killing ichthyophthirius multifilis, a preparation method, a composition and application. The interference agent is dsRNA / siRNA / shRNA or an expression vector of the dsRNA / siRNA / shRNA of targeted EF1-alpha, HSP90, ICP1 and ICP2; t7 tailed primer amplification, in-vitro transcription and annealing are adopted to prepare dsRNA, the dsRNA can be further prepared into a water body treatment composition with liposomes / chitosan and other carriers, and soaking treatment (20-28 DEG C, 1-48 h) is carried out in a grazing body stage. Under the conditions of 1 mu g / mL, 25 DEG C and 24 hours, the expression of the target gene is obviously reduced (2-delta delta Ct is less than or equal to 0.55), and the corrected death rates of 40.16% (EF1-alpha), 45.51% (HSP90), 21.39% (ICP < 1 >) and 19.39% (ICP < 2 >) are obtained. The scheme is green, has low residue, can be engineered, and is suitable for preposed blocking of the white-spot disease transmission chain in aquaculture.

The utility model relates to the technical field of medical instruments, and discloses a multi-closed sputum collecting bag which comprises a spitting bag body (1) with an opening, a bag opening (3) is arranged at the opening, two closed elastic pieces (2) with two ends opened by pressing are fixedly arranged in the spitting bag body (1) at a certain distance away from the bag opening (3), and after pressing force is removed, the elastic pieces (2) can be separated from the bag opening (3). When the elastic piece (2) is closed again, the bag opening (3) can be turned outwards, the elastic piece (2) is exposed to collect sputum, a bag opening sealing strip (31) is arranged at an opening of the bag opening (3), an in-bag sealing strip (4) is arranged at the position, away from the elastic piece (2) by a certain distance, in the spitting bag body (1), the in-bag space of the spitting bag body (1) is divided into two independent spaces, and a disinfection piece (5) is arranged at the bag bottom of the spitting bag body (1). And a disinfection sheet sealing strip (8) and a water injection port (6) are arranged in the space for multiple sealing, so that the use of a patient is facilitated, and disease transmission is prevented.

This utility model belongs to the field of yak disease prevention technology, specifically a yak disease prevention passageway. Addressing the problems of existing yak disease prevention passageways causing congestion and slow isolation during the transfer of suspected sick yaks, as well as limited spray range, incomplete disinfection, and increased risk of disease transmission, this invention proposes the following solution: It includes a main containment area and at least two sub-containment areas. A trapezoidal inspection passageway, wider at the top and narrower at the bottom, is provided between the main and sub-containment areas. Both ends of the inspection passageway connect to a self-propelled passageway. In this utility model, a reasonable passageway is constructed using trapezoidal frames to ensure orderly passage of yaks. Simultaneously, the drive component, in conjunction with the guardrail, allows for the rapid and safe transfer of sick yaks to the isolation area. A cylinder-driven fixing frame stabilizes and restrains the yaks, while the spray nozzles of disinfection pipes I and II achieve comprehensive disinfection. The coordinated operation of all components ensures efficient and continuous disease prevention, weighing, and isolation, reducing manpower and lowering the risk of disease transmission.

The utility model discloses a fetal heart monitoring probe with a protective structure, which relates to the technical field of medical auxiliary instruments and comprises a fetal heart monitoring probe body, and the lower portion of the fetal heart monitoring probe body is connected with a convenient protective device in a sleeved mode. According to the fetal heart rate monitoring probe, the disposable protective clamping structure is sleeved with the limiting structure to protect the detection end of the fetal heart rate monitoring probe body, presetting and rapid installation of a coupling agent are achieved, medical workers do not need to smear the coupling agent manually, the operation process is greatly simplified, and the working efficiency is improved; the fetal heart monitoring probe body does not make direct contact with the skin of a pregnant woman and is isolated through the latex film layer, the risk of cross infection is effectively reduced, the latex film layer is disposable, the possibility of disease transmission is reduced, the disposable protective clamping structure is rapidly detached and replaced, the tedious disinfection step is avoided, and the working efficiency is improved. In addition, potential corrosion to the fetal heart monitoring probe in the disinfection process is reduced, and the service life of equipment is prolonged.

This invention discloses a method for expanding the volume of a composite matrix, an osteogenic composition, and its applications. The components of this invention are entirely autologous, posing no risk of immune rejection or disease transmission. The composite matrix in the osteogenic composition provides a bone conduction scaffold, while the volume-expanding agent provides bone-inducing signals while simultaneously expanding the composite matrix, thus providing a dual osteogenic mechanism. This invention requires only a conventional centrifuge and sterile containers, making it suitable for outpatient surgery. It also eliminates the need to purchase expensive bone powder, offering advantages such as ease of operation and low cost. Furthermore, the materials of this invention exhibit good stability; the composite matrix, after being encapsulated by the volume-expanding agent, does not easily dissipate and conforms well to the defect morphology.

The utility model relates to the technical field of konjak planting, in particular to a seedling raising frame convenient to disassemble, which comprises a support assembly, a layer plate assembly is mounted on the outer wall of the support assembly in a fitting manner, a top plate assembly is mounted on the outer wall of the support assembly in a fitting manner, and a roller shutter assembly is mounted on the outer wall of the top plate assembly in a fitting manner. According to the improved seedling raising frame, the holes are formed in the first supporting frame and the second supporting frame so that the supporting frames can stretch out and draw back up and down through vertical movement of the plug pins, the height of the seedling raising frame can be adjusted, and the height between the supporting plates can be freely adjusted by adjusting the height of the first rotating bracket and the height of the second rotating bracket through the holes; meanwhile, the partition plates are additionally arranged on the supporting plate, so that the disease spreading risk is reduced, the structural flexibility is improved, disassembly and assembly are convenient, the space utilization rate is increased, the carrying difficulty is reduced, the maintenance cost is reduced, and the use environment range is expanded.

The application discloses a root cutter for preventing and controlling disease infection by using medicine in a sugarcane harvesting process, which comprises a medicine tank, an electric control proportional valve, a flowmeter, a slip ring stator pipeline, a slip ring rotor pipeline, a cutter head, a root cutter, a slip ring stator, a root cutter transmission shaft, a slip ring rotor and a control unit. One end of the slip ring stator pipeline is connected with a pump on the medicine tank in communication through the flowmeter and the electric control proportional valve; the other end of the slip ring stator pipeline is connected with a channel I of the slip ring stator; one end of a channel II of the slip ring rotor is connected with an annular groove of the slip ring stator in communication, and the other end is connected with one end of the slip ring rotor pipeline in communication; the other end of the slip ring rotor pipeline is connected with a channel III of the root cutter in communication after penetrating through the cutter head. The root cutter is designed to make the medicine water act on the sugarcane roots in the sugarcane harvesting process, so that the pathogenic bacteria in the incisions of the sugarcane roots are killed or prevented, and the risk of healthy sugarcane roots being infected by the pathogenic bacteria is effectively reduced.

The utility model discloses a duck breeding shed structure capable of feeding in a partitioned mode, and relates to the technical field of poultry breeding, the duck breeding shed structure comprises a bottom plate, a pair of wall bodies are correspondingly connected above the bottom plate, four entrances and exits are formed in the inner sides of the adjacent pair of wall bodies from left to right at equal intervals, and lifting plates are slidably connected in the entrances and exits; sliding mechanisms are arranged on the two side walls of the wall body, and the interior of the wall body is slidably connected with four partition plates through the sliding mechanisms. A pair of third sliding rails and a pair of second sliding rails are arranged on the left side and the right side of the wall body respectively, so that the four partition plates on the inner side of the wall body can flexibly move conveniently, the advantage of partition flexibility is achieved, specific duck groups can be conveniently isolated in independent areas by flexibly moving the partition plates, targeted feeding, observation and treatment are facilitated, and the duck breeding efficiency is improved. Problems in the duck group can be found and treated in time, the risk of disease transmission is reduced, and the breeding benefit is improved.

The application relates to the technical field of biology, and particularly discloses an artificial synthetic dermis loaded with subacromial synovial mesenchymal stem cell composite patch as well as a preparation method and application thereof. The artificial synthetic dermis loaded with subacromial synovial mesenchymal stem cell composite patch has the advantages of convenient raw material source, no immune rejection, no supply area complications, no disease transmission risk and the like. Moreover, the composite patch provides initial mechanical support, and improves the tendon-bone interface microenvironment through the paracrine effect (including pro-angiogenic related factors) of the subacromial synovial mesenchymal stem cells, promotes host cell infiltration and blood vessel ingrowth, and enhances tissue integration and rotator cuff healing.

This utility model provides a tiger whisker-shaped toothpick, relating to the field of toothpick technology, which solves the problem that existing toothpicks have smooth surfaces, making them inconvenient for removing foreign objects from teeth. The toothpick includes a toothpick assembly comprising a shaft, a head, and a silicone threaded strip. The head is fixedly connected to the bottom of the shaft, and both the shaft and the head are provided with silicone threaded strips. The shaft, head, and silicone threaded strip form a shape resembling tiger whiskers. One side of the silicone threaded strip has an irregular serrated shape. With the help of this toothpick assembly, foreign objects in the gaps between teeth are easily removed, reducing damage to the gums and preventing the possibility of disease transmission.

The invention discloses application of an RWTD1 gene in prevention and control of sugarcane smut. The RWTD1 gene is a key factor for regulating sexual coordination of pathogenic bacteria and development of pathogenic symptoms (black whips). Through functional verification, pathogenic bacteria cannot complete the whole life history after RWTD1 gene deletion: even if the pathogenic bacteria can infect hosts, plants cannot be induced to form black whips and generate teliospore, so that a disease transmission chain is cut off. On the basis, the RWTD1 gene, the encoding protein thereof or a related regulation and control sequence are used as prevention and control targets, various application ways including RNA interference, gene editing, chemical inhibition and disease-resistant breeding are provided, and a core molecular basis and a brand new solution are provided for developing a new efficient, accurate and environment-friendly sugarcane smut prevention and control technology.

The application provides an influenza prediction method, system, device and medium based on epidemic dynamics, and relates to the technical field of epidemic transmission prediction, which realizes collaborative modeling of data-driven and mechanism-driven by fusing multiple source monitoring data and epidemic transmission mechanism; in the feature engineering stage, the influenza monitoring data is structured and features are extracted, forming influenza transmission features with physical meaning; in the prediction stage, a physical information neural network model based on a deep neural network framework is used, which includes an input layer, a multi-layer feedforward network, a time embedding representation layer and an output layer, and is trained by fusing an observation data fitting and a composite loss function constrained by the epidemic dynamics mechanism, so that the model can fit the historical monitoring data and strictly follow the internal dynamics law of disease transmission, thereby significantly improving the accuracy, interpretability, extrapolation stability and robustness to small samples and noise interference of the prediction result.