141 results about "Large animal" patented technology

The invention discloses a field miniature PVC litter decomposition experiment ring which comprises a miniature ring structure, observation opening structures are oppositely formed in the outer surface of the miniature ring structure, a nylon net structure with the pore diameter of 5 mm is glued in an inner cavity of one observation opening structure, a nylon net structure with the pore diameter of 50 microns is glued in the other observation opening structure, and the inner cavity of the other observation opening structure is glued with a nylon net structure with the pore diameter of 50 microns. The top of the outer ring of the miniature ring structure is sleeved with a disassembly and assembly ring, and a cover net structure which is in a stretched state and has the aperture of 50 micrometers is glued to the top of the disassembly and assembly ring. Firstly, the influence of microenvironment interference and physical limitation in the litter decomposition process is solved, and the situation that the decomposition rate deviates from a true value due to litter compaction and rainfall erosion in the environment is avoided; secondly, the problem that a litter mesh bag method changes the feeding preference of soil animals is solved, it is ensured that the decomposition behavior is consistent with the natural state, and finally, due to the fact that the decomposition process is protected by the miniature environment, the influence of human factors and large animals is avoided.

A far-infrared camera mounted in a vehicle generates an image frame. When an image of a large animal is identified in the image frame, a pixel intensity of the large animal image is determined. An estimated distance to the large animal from the far-infrared camera based on the pixel intensity is determined. When the animal is classified as a tracked animal, and future trajectories of the tracked animal and the vehicle intersect, a component in the vehicle is actuated.

A method for constructing a clinically-relevant large animal model of traumatic optic neuropathy, employing a goat with orbital anatomy and optic nerve structure similar to humans as a model animal, overing the defects existing in other animals as TON model animals. The target model goat is obtained by screening parameters, such as a maximum transverse diameter of a coronal plane of a body of sphenoid bone and a wall width of a sphenoid bone, thereby facilitating the exposure of an optic nerve in a optic-canal segment under a nasal endoscopic surgery and quantitative injury. With the optic nerve injury animal model, the clinical TON pathogenesis can be explored by studying the optic nerve at the injured optic canal. In the prepared TON animal model, the injured optic nerve is closer to the brain, which is beneficial to rebuilding the synaptic connection.

The utility model discloses a double-cylinder ironing and hair removing all-in-one machine, the double-cylinder ironing and hair removing all-in-one machine comprises a bin body, a soaking pool, an automatic fishing assembly and a spraying assembly, the spraying assembly is arranged on the side wall of the bin body, and the spraying assembly is connected with a rolling hair removing assembly; in order to solve the problems that in the prior art, when ordinary unhairing equipment is used for unhairing animals, manual soaking treatment is needed, large animals are difficult to carry, and manpower is consumed in operation, the automatic fishing assembly is designed, and through arrangement of the automatic fishing assembly, the large animals can be conveniently fished; according to the animal depilation device, animals can be fully soaked in hot water and then automatically fished and conveyed to the rolling depilation assembly for rolling depilation, a spraying assembly is further arranged, hot water can be automatically sprayed in the depilation process through the spraying assembly, and therefore the situation that in the rolling process, animal epidermis and hair are rapidly cooled, and the depilation efficiency is improved is effectively avoided. Therefore, the problem of difficulty in fully plucking hair is solved.

The utility model discloses a field medium and large animal body length observation device for a camera, and belongs to the field of zoology research. Comprising a telescopic device and a connecting and fixing device arranged below the telescopic device. Two laser lamp fixing devices are arranged on the telescopic device, laser lamps are arranged on the two laser lamp fixing devices respectively, and the telescopic device is adjusted to drive the laser lamp fixing devices to move, so that the distance between the laser lamps is controlled. The distance between the laser lamps can be controlled by adjusting the telescopic device in a camera shooting mode, the body length of medium and large wild animals can be estimated by observing photos in the later period, and many obstacles of field zoology research are overcome.

The application provides a dam surface animal intelligent identification and tracking method, a large number of thermal imaging pictures of animals possibly intruding into a dam range in different postures are collected in advance by using an infrared thermal imaging camera, a deep learning algorithm is used to train thermal imaging samples labeled with animal positions, and automatic detection of animal regions in the thermal imaging pictures is realized; then, intelligent classification of animal body types is realized based on a color step gradient algorithm of the infrared thermal imaging pictures; for large animals, an animal type identification algorithm is constructed by taking body posture characteristics and body surface temperature distribution as characteristic parameters; for small animals, a deep learning model is constructed by taking walking track characteristics and walking speed as characteristic parameters, and intelligent identification of target animal types is realized. The application is highly consistent with the living habits of wild animals, can accurately identify animal types, action tracks and cave positions on the dam at night, and reduces the possibility of dam collapse caused by cave leakage channels.

The utility model discloses an animal abundant claw grinding ball which is mainly used for medium and large animals such as a lion, a tiger, a leopard and the like. A cavity used for containing food is formed in the ball body, and the surface of the ball body is rough. When a large animal makes contact with the surface of the ball body, fingernails of the large animal can be ground by the rough surface, and therefore the claw grinding function is achieved. The device can be used as a toy for large animals to enrich the life interest of the animals and meet the physiological and psychological needs of the animals, so that the engraving behaviors are reduced; meanwhile, food can be placed in the device, the difficulty that the captive animals obtain the food is increased, and the inflexible action behavior of feeding of the captive animals is overcome. And the nail of the captive animal can be polished through the rough surface, so that the claw polishing function is safely completed, meanwhile, the enlarging function is provided for reducing animal carving behaviors, the safety of the captive animal and workers is guaranteed, and the physical and psychological health of the captive animal is also facilitated.

The utility model discloses a liftable separation fence which comprises a plurality of lifting fence units, every two adjacent lifting fence units are fixedly connected through a connecting assembly, and each lifting fence unit comprises an upper stand column and a lower stand column which are arranged in a left-right mode and arranged in an up-down inserted mode. The isolation fence is simple in structure, convenient to install, attractive in appearance and practical, adaptive height adjustment can be carried out according to different scenes, the isolation fence adapts to more scenes and environments, damage and isolation of large animals can be resisted, the external force deformation resistance capacity of the isolation fence is high, and the isolation fence is suitable for large animals. And maintenance and repair are facilitated.

The utility model relates to the technical field of animal specimen fixing, in particular to a large animal specimen fixing structure which comprises a base, fixing supporting sleeves are fixedly connected to the two sides of the upper end face of the base, floating supporting rods are connected to the inner sides of the fixing supporting sleeves in a sleeved mode, and adjustable lifting assemblies are connected to the upper ends of the floating supporting rods. The floating supporting rod comprises a rod body, and the upper end of the rod body is fixedly connected with a connector. The adjustable lifting assembly comprises a connecting base, an arc-shaped bracket is fixedly connected to the upper end face of the connecting base, connecting feet are fixedly connected to the two sides of the lower end face of the connecting base, and the connector is inserted between the two connecting feet and fixed through second bolts. According to the leg supporting structure, the adjustable lifting assembly is arranged, the abdomen of the animal specimen can be supported when the large animal specimen is fixed, and therefore the burden of the leg supporting structure of the animal specimen is reduced, and the problem that the leg supporting structure deforms due to the fact that the burden of the leg supporting structure is too heavy is solved.

The application discloses a kind of big animal approach avoidance behavior detection method and system, it is related to animal behavior detection technical field, including, 5 or more than 5 standard unit cage is connected in series or parallel to form combined transparent cage, according to the detection paradigm of pre-set, install grid partition, entity partition or entity partition with loose-leaf small door between adjacent unit cage;Using the overhead camera and side video recorder installed in unit cage top synchronously collects the behavior video of big animal in the combined transparent cage;After big animal is introduced into the combined transparent cage and is trained, by changing the state of partition and introducing external stimulant, trigger the approach or avoidance behavior of big animal, and use the behavior video to carry out index analysis.The application solves the problem that the existing detection device is rigid due to structure, which leads to rigid experimental paradigm and difficulty in comprehensive evaluation of complex approach avoidance behavior of animals.In addition, the prior art relies on manual observation and recording, and the analysis efficiency is low and subjective, and high-throughput automatic extraction of animal instantaneous action and fine behavior index cannot be realized.

The present disclosure relates to animal models simulating human biliary atresia. The model includes a large animal treated with an agent causing sclerosis of intrahepatic bile ducts in the animal to simulate human bile duct injury.

The utility model discloses a cage for assisting large animals to stand after surgery, comprising a cage base, the four end corners of the lower end surface of the cage base are rotatably connected with universal pulleys, a drain plate is installed on the inner side of the cage base, a movable tray is slidably connected between the cage base and the drain plate, a handle is provided on the front end surface of the movable tray, a metal cage frame is fixedly installed on the upper end surface of the cage base, and blocking side doors are installed on both sides of the metal cage frame; a fixed frame is fixedly installed on the upper end surface of the metal cage frame, an upper sealing plate is fixedly installed on the inner side of the fixed frame, and an elastic abdominal support belt is installed between the fixed frame and the upper sealing plate. The utility model can effectively assist mammals to stand stably after surgery by using the cage to restrict the movements of mammals and lift their abdomens, avoid ischemic necrosis of the hind limbs when lying prone, and facilitate inspection and drug administration operations on mammals.

The invention relates to the technical field of vaccine preparation, and discloses a method for preparing a BVDV-1 vaccine by a non-cap-dependent mRNA (messenger ribonucleic acid) technology, which is characterized in that an IRES sequence of CVB3 is inserted into the upstream of a BVDV-1E2 gene to replace a 5'end cap structure of the traditional mRNA, so that the production process is obviously simplified, the dependence on expensive enzymatic reaction is reduced, the vaccine production cost is reduced, and the production efficiency is improved. The method is especially suitable for large-scale economic sensitive scenes such as animal husbandry. According to the present invention, the non-capped mRNA is encapsulated by using the lipid nanoparticle (LNP) with the specific molar ratio, such that the stability of the mRNA and the target cell delivery efficiency are effectively improved, the immunogenicity limitation caused by insufficient translation efficiency of the non-capped mRNA is overcome, and the immune response equivalent to the commercial vaccine is achieved in the large animal. The safety advantage is particularly prominent, inflammatory response or abnormal hemogram is not observed in all animal models, a novel solution with high efficiency, safety and economical efficiency is provided for prevention and control of livestock epidemic diseases, and the method is particularly suitable for animal infectious diseases such as bovine viral diarrhea needing long-term and extensive immunization.

The utility model relates to the technical field of blood sampling devices for large animals, and discloses a sterile blood sampling device for large animals, which comprises a blood sampling needle, a blood sampling main pipe and a plurality of blood sampling branch pipes which are communicated in sequence, a peristaltic pump is arranged on the blood sampling main pipe, the blood sampling main pipe is communicated with a plurality of blood sampling branch pipes through a three-way pipe or a four-way pipe, the tail end of each blood sampling branch pipe is respectively connected with a blood sampling bottle, and a stop valve is arranged on each blood sampling branch pipe. According to the scheme, the peristaltic pump and the blood sampling branch pipes are combined, so that the blood sampling amount of a large animal in the end is ensured, meanwhile, the continuity of collecting blood for different project purposes is effectively improved, and the situation that the whole blood sampling amount is affected by blood coagulation and pipe blockage possibly caused by the fact that blood sampling bottles need to be switched and blood sampling is suspended in the midway is avoided.

A large animal modeling device for blunt wound research belongs to the technical field of medical experiment auxiliary tools and comprises a base, a first electric turntable and a second electric turntable. A large animal model; the lifting mechanism comprises a fixed rod, a movable rod and an air cylinder, the fixed rod is installed on the first electric rotating disc, a guide hole is formed in the fixed rod, the movable rod is in sliding contact with the inner wall of the guide hole, and the air cylinder is used for controlling the movable rod to move up and down; each blunt mechanism comprises a first transverse plate, a sliding block and a blunt device, the first transverse plate is fixedly connected with the movable rod, the sliding block is connected with the first transverse plate through a flexible part, and the blunt device is fixedly connected with the sliding block; the swinging mechanism comprises a rack, a swinging frame, a first motor, a fixing box and a locking assembly, the swinging frame is rotationally connected with the rack, the first motor controls the swinging frame to rotate, the fixing box is installed on the swinging frame, a sliding groove is formed in the top of the fixing box, and the locking assembly is used for locking the sliding block in the sliding groove.

The invention relates to a culture medium and a method for obtaining extraembryonic endoderm stem cells (XEN) from porcine blastocysts and embryonic stem cells (ESCs), and belongs to the technical field of biology. The invention develops a two-step induction method for directly converting pig ESCs into pig XEN without gene modification and two culture mediums 4FY and 2FYSC. The invention provides a high-quality model for exploring separation characteristics and intercellular communication of embryos and extraembryonic pedigree in early embryonic development of large animals, provides a good cell model for researching dynamic development of extraembryonic pedigree, and provides a high-quality material for regenerative medicine and agricultural breeding.

1. Name of the Design Product: Animal Drinking Trough (Intelligent Heating). 2. Use of the Design Product: The design product is used for animal husbandry and provides drinking water for large animals such as cattle and sheep. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1. 5. The top view is clearly shown in the enlarged top view, so the top view is omitted; the bottom view is clearly shown in the enlarged bottom view, so the bottom view is omitted.

The animal husbandry oral cavity dilator comprises a distraction frame, a fixing strip is installed at the bottom of the distraction frame, movable cavities are formed in the positions, close to the two ends, of the interior of the fixing strip respectively, and a supporting piece is installed on one side of the distraction frame. The animal oral cavity can be outwards supported to different degrees through the supporting piece, the supporting piece can be locked and fixed through the lock catch piece, the situation that the supporting piece is closed due to occlusion of a large animal is prevented, and the situation that arms and fingers of medical staff or medical equipment are damaged due to closing of the animal oral cavity can also be prevented; the problems that in the treatment process, the livestock is uncomfortable and prone to biting, medical staff or medical equipment is damaged, the oral cavity of the animal is blocked easily by expanding equipment, and it is inconvenient for an operator to conduct treatment operation on the livestock through the oral cavity of the animal are solved.

A controllable vascular ring constrictor for large animals comprises an elastic hoop, an inflation air bag ring and an inflation air pipe, the elastic hoop comprises an upper hoop and a lower hoop, an outer ring of the inflation air bag ring is fixed to the upper hoop, a central hole of the inflation air bag ring forms a coronary artery compression area, and the inflation air pipe is fixed to the lower hoop. The side, facing the lower hoop, of the inflatable air bag ring is provided with a notch communicated with the coronary artery compression area to form a passageway, after the upper hoop and the lower hoop are opened, the coronary artery can enter the coronary artery compression area through the passageway, the size of the coronary artery compression area is reduced along with inflation of the inflatable air bag ring, and controllable compression of the coronary artery in the coronary artery compression area is achieved. When the inflatable air bag ring is in an uninflated state, the coronary artery compression area is larger than the outer diameter of the coronary artery, the device is fixed to the set position of a coronary artery system through the elastic hoop, meanwhile, the inflatable air bag ring and the pressure sensor are matched, controllability of blood vessel ring contraction and blood flow blocking is achieved, and therefore an acute and chronic myocardial ischemia model can be built according to needs.

To protect a camera and an animal so that the camera is not damaged and the animal is not injured when photographing the large-sized animal such as a bear by remote control.SOLUTION: The camera storage stand 1 includes a storage case 10 for covering and storing a camera 13, an installation stand 11 for installing the camera 13, and a leg part 12 for fixing the installation stand 11. The storage case 10 is formed in a transparent dome shape, the installation base 11 is formed in a disk shape, and the leg portion 12 is formed in a cylindrical shape. The camera 13 and the installation base 11 are fixed by coupling an attachment member 20a provided in the camera 13 and an attachment member 20b provided in the installation base 11. The storage case 10 and the installation base 11 are fixed by fixing members 14a, 14b, 14c, and 14d. The installation base 11 and the leg portion 12 are fixed to each other by coupling an attachment member 20c provided in the installation base 11 and an attachment member 20d provided in the leg portion 12.SELECTED DRAWING: Figure 1

The invention discloses an adjustable beating device suitable for a large animal experiment, and relates to the technical field of beating experiment devices.The adjustable beating device comprises a gantry support and a beating mechanism assembly, the beating mechanism assembly is fixed to the gantry support through a mounting base, and the beating mechanism assembly comprises a hammer assembly, a buckle plate assembly and a percussion assembly; the hammering assembly comprises an ejection assembly, a guide assembly and a hammer head, and the ejection assembly is used for storing energy so that the hammer head can be ejected out along the guide assembly; the pinch plate assembly can move in the first direction to compress the ejection assembly to complete energy storage. The percussion assembly is arranged on the moving path of the pinch plate assembly, the position of the percussion assembly is adjustable, the percussion assembly is used for percussion of the pinch plate to be separated from the ejection assembly so that the ejection assembly can release energy to eject the hammer head, and the first direction is parallel to the axial direction of the guide assembly. The universality of the adjustable beating device suitable for the large animal experiment can be effectively improved, and the beating speed, strength and height can be accurately controlled.

The invention discloses a high-strength racing machine frame which comprises a base plate, and a flight control plate is arranged above the base plate. According to the racing machine frame, the four machine arms made of the T800 carbon fiber materials are adopted, the thickness of the machine arms is 6 mm, the flight speed of the racing machine is not reduced while the light weight is sacrificed, the racing machine can be used as a police device, the strength quality of the whole machine is improved, the machine frame can collide with the ground in the full-speed state, the integrity of the machine frame can be guaranteed, and the service life of the racing machine is prolonged. A replaceable needle body is installed on the racing machine, the replaceable needle body is a breaking needle and used for directly impacting glass at a high speed to break the glass, the replaceable needle body can also be well applied to police, the requirements of workers are met, the replaceable needle body can also be an anesthesia needle head, and the scene is that when crazy cattle or large animals rush into streets, the working efficiency is greatly improved. The traditional shooting has high danger, but the crossing machine can carry an anesthesia needle to anesthetize a crazy animal, and the crossing machine is very high in flexibility.

The utility model relates to mouse killing device technical field, and disclose a kind of outdoor mouse killing bait station, including fixed base plate, the fixed base plate top is fixedly arranged with mousetrap, the lower end of mousetrap is cylindrical structure, its upper end is hemispherical structure, mousetrap upper end is equipped with trap mouth, the both sides of mousetrap rotatably installed with guide ladder, the center of fixed base plate is equipped with bait installation groove, bait installation groove inside screw thread is equipped with bait placing tray. Through the four fixing holes of fixed base plate, fixed peg is used to pass through fixed hole, and the anti-pulling barb of fixed peg bottom end is inserted into soil, so as to guarantee the stability of the bait station, avoid multiple mice or larger animals to overturn the bait station, detachable guide ladder and bait placing tray, convenient for user to disassemble and preserve the bait station, at the same time, it is also convenient to wash or take and place bait, improve the use convenience of the bait station.

The invention provides an adenovirus vector delivery method based on ultrasonic guidance and application, and relates to the technical field of biology. Comprising the following steps: designing siRNA and shRNA and synthesizing a target adenovirus vector; preparing a polypeptide hydrogel solution, and mixing an adenovirus vector with the polypeptide hydrogel solution to obtain a mixed solution; the mixed solution is delivered to a target receptor delivery point by using an ultrasonic system and a multi-point injection mode, the mixed solution prepared by coating an adenovirus vector with polypeptide hydrogel is delivered through ultrasonic positioning, the effect of locally, continuously and slowly releasing viruses in an animal body can be achieved, and the problems that the adenovirus in the animal body is easy to remove, and the toxic and side effects are caused are solved. The defect of non-specific tissue transfection caused by difficulty in multi-time administration and easiness in exudation from tissues is overcome; meanwhile, the action time of the adenovirus can be prolonged. In addition, the invention further provides application of the method in a large animal model, and various negative effects on animals caused by a traditional operation exposure method are avoided.

1. The name of the design product: solar energy livestock GPS locator. 2. The use of the design product: the design product is used for positioning the location and counting the number of large animals. 3. The design points of the design product: the shape of the product. 4. The picture or photo that best indicates the design points: perspective view 1.

A large animal lifting and moving apparatus includes a frame having a front end and a rear end, the frame, a drive shaft rotatably coupled to the frame, a drive motor coupled to the frame and operatively coupled to the drive shaft; the drive motor selectively powered by a power source, and one or more roller chains coupled to the drive shaft. The frame is structured to support a large animal between the front end and the rear end and structured to be moved during operation of the large animal lifting and moving apparatus. When the drive motor is powered by the power source, the drive motor drives the drive shaft and the roller chains coupled to the drive shaft.

The invention relates to the technical field of animal husbandry blood collection, and discloses a large animal blood collection and defibering integrated device which comprises a base frame, a sheep conveying assembly, a blood collection fixing assembly and an animal whole blood defibering assembly. According to the large animal blood sampling and defibering integrated equipment, the equipment integrates three core assemblies of sheep transportation, blood sampling fixing and blood plasma defibering, animals or blood sampling bags do not need to be manually transported, and the problem of operation fault caused by independent operation of traditional equipment is thoroughly solved, namely, after blood sampling, the blood sampling bags can be directly fixed to the animal whole blood defibering assembly; blood pollution and activity loss in the transfer process are avoided, and the overall operation duration is shortened compared with a traditional sub-equipment mode; meanwhile, the electric hoist sheep lifting mechanism replaces multi-person lifting, animal transfer can be completed by a single person, and the labor cost is reduced; the blood sampling fixing assembly is of a detachable sleeve structure, the size is reduced after disassembly, and the requirements for large-scale operation and portable storage are met.

A large animal hauling vehicle is provided that has a supplemental animal stability system. The supplemental support system offers protection or otherwise helps the large animal remain stable during driving situations that could lead to the animal's instability. These situations by may include abrupt movements of the hauling vehicle, such as pronounced or increasing trailer sway situations or crash events. The instability protection system may include a support system with at least one deployable device, such as an inflatable cushion(s) and a control system that evaluates operational conditions and commands deployment of the deployable device(s) upon a determination of an instability condition.

The utility model discloses an animal epidemic prevention sampling fixing support which comprises a triangular concave frame, an arc-shaped supporting plate is fixedly connected in the triangular concave frame, fixed vertical rods which are oppositely arranged are fixedly connected to one side of the triangular concave frame, grooves and rotating stroke grooves located in one sides of the grooves are formed in the fixed vertical rods on the two sides, and the arc-shaped supporting plate is fixedly connected in the triangular concave frame. Rotating rods matched with the rotating stroke grooves are rotationally arranged in the grooves correspondingly, semicircular fixing plates are fixedly connected to the fixing vertical rods correspondingly, one or more first connecting holes which are annularly and evenly formed are formed in each semicircular fixing plate, first threaded through holes matched with the first connecting holes are formed in the rotating rods, and sliding grooves are formed in the rotating rods on the two sides correspondingly; sliding blocks which are oppositely arranged are arranged in the sliding grooves in a sliding mode, and second threaded through holes are formed in the sliding blocks. Compared with the prior art, the large animal viscera sampling device has the advantage that epidemic prevention workers can conveniently sample viscera of large animals.

The invention belongs to the technical field of preparation of vaccine immunologic adjuvants, and discloses a surface-modified aluminum hydroxide nanoparticle adjuvant as well as preparation and application thereof. The aluminum hydroxide-based adjuvant is a next-generation aluminum hydroxide-based adjuvant at an optimal level specially optimized for veterinary vaccines. The formula of the adjuvant solves the limitation of the traditional aluminum hydroxide adjuvant, including poor cellular immune induction and variable efficacy in large animals. The adjuvant promotes balanced Th1 / Th2 immune response, reduces local injection site reaction, and improves the shelf life of the vaccine. The preparation method comprises ultrasonic homogenization and co-precipitation under pH control, vaccine compositions containing the adjuvant, and uses of the adjuvant in prevention of infectious diseases in animal husbandry, companion animals and poultry. Experimental data show that in bovine respiratory disease and avian influenza models, compared with traditional adjuvants, the immunogenicity is excellent, the antibody titer is increased by 3 times, and CD8 + T cell response is enhanced.