405 results about "Ear tag" patented technology

The invention discloses a pig breeding intelligent management and control system based on multi-modal data monitoring, and belongs to the technical field of pig breeding management, and the system comprises a data collection and individual recognition module which comprises an RFID ear tag, an inspection robot, an environment sensor and an intelligent feeder, and is used for determining the identity information of a pig individual based on the data collected by the RFID ear tag and the inspection robot, associating the collected multi-modal data of the live pigs in the pig house, and uploading the multi-modal data to edge computing equipment through an MQTT protocol for preprocessing; the feature extraction module extracts physiological and behavior features of live pigs by using a multi-modal deep learning fusion model; the key breeding index analysis module constructs a live pig health index and an environment quality index; the abnormity early warning module adopts a CUSUM control chart to accumulate index deviation and respond to abnormity; the management regulation and control model constructs a Markov decision process by minimizing energy consumption and maximizing health indexes, intelligently adjusts the rotating speed of a fan and a feeding strategy, and realizes precise environmental control and feeding optimization.

The invention discloses a livestock health state real-time monitoring method and system based on the Internet of Things, and the method comprises the steps: collecting livestock biological data and environment parameters through a biological chip ear tag and an environment sensor, and carrying out the preprocessing, and obtaining a standardized multi-dimensional livestock data flow; in combination with image data provided by a video monitoring system, identifying livestock individuals and analyzing behavior features, and fusing biological data and visual data to generate livestock individualized feature vectors; constructing an individualized health baseline model in combination with historical health records; comparing the deviation degree between the current state and the health baseline through an anomaly detection algorithm, and identifying a potential health problem; early warning is performed according to the abnormity severity level, intervention suggestions are generated, early warning information is pushed to the breeding personnel through multiple channels, and response measures and results are recorded to form closed-loop management. According to the invention, accurate real-time monitoring of the health state of the livestock is realized, the accuracy and timeliness of anomaly detection are improved, the breeding risk is reduced, and the production efficiency of animal husbandry is improved.

The invention discloses a multifunctional intelligent electronic ear tag device. The ear tag adopts a head hoop and an arc-shaped ear hook structure, a connecting buckle is of a magnetic attraction type, punching is not needed, and the head hoop is made of medical silica gel, so that it is ensured that the ear tag is comfortable to wear by animals and convenient to use repeatedly. The power management module guarantees power supply, and the data monitoring module can collect multi-dimensional information such as animal body surface temperature, environment and behavior data. During working, breeding areas are divided to construct a wireless network, data are acquired and then preprocessed, and the animal growth state sensing model is utilized to analyze and upload a result. The power consumption adaptive algorithm dynamically adjusts the working mode of the ear tag according to the equipment state and the like, such as adjusting the sampling frequency and the local model complexity, so that low-power-consumption edge calculation and accurate reasoning are realized. The user terminal supports data display, interaction control and remote alarm, and helps a manager adjust a breeding strategy based on an analysis result. The system has the characteristics of high comfort, low power consumption and high precision, and provides technical support for digital transformation of animal husbandry.

The invention discloses an animal quarantine method, and aims to solve the problems of high omission ratio, early warning lagging and lack of environment optimization of the traditional quarantine means. According to the method, multi-dimensional biological signals such as the heart rate, the respiratory rate, the body temperature and the acceleration of an animal are collected in real time through an ear tag type wearable device, and the anomaly detection precision is improved through a self-adaptive sampling mechanism; meanwhile, the environment monitoring module collects the temperature, humidity and ammonia gas concentration of the farm, and dynamically regulates and controls the temperature, humidity and ammonia gas concentration in case of abnormality. And the edge computing node adopts a long-short-term memory network to fuse and analyze data, outputs an epidemic disease risk probability, and optimizes the model through self-learning. The embodiment shows that the method can perform early warning and environment optimization in the incubation period, the quarantine time is shortened to 5-10 minutes per head, the omission ratio is lower than 5%, and an efficient and accurate epidemic disease prevention and control solution is provided for the breeding industry.

The embodiment of the invention discloses a feeding method and device capable of accurately regulating and controlling the feed intake of sows. The method comprises the following steps: identifying an individual identity through an electronic ear tag, and collecting backfat thickness, body condition score and weight data by using an inspection robot; dynamically calling a standard feeding curve based on the fetus number and the body condition score, and finely adjusting the target feed intake in combination with the body weight change trend; a quantitative or interactive feeding mode is adopted in the gestation period, feeding is carried out with different meals of wet mixed feed in the lactation period, and the feed-water ratio is dynamically adjusted; meanwhile, a data closed loop is constructed, a feeding strategy is optimized through big data analysis, and abnormal individuals are visualized. According to the scheme, precise self-adaptive regulation and control of the feeding behavior of the sow in the whole breeding cycle are achieved, and the feed efficiency and the breeding performance are remarkably improved.

The invention relates to the technical field of behavior feature recognition, in particular to a beef cattle oestrus state monitoring method based on dynamic gait analysis. According to the method, multi-source data acquisition, such as dynamic gait video and body temperature data, video preprocessing, such as frame extraction, denoising, abnormal frame recognition and restoration, target tracking, dynamic gait characteristic parameter extraction, such as step length, step frequency, step speed, joint angle change and body gravity center offset, and life data acquisition, such as diet, body weight change and drinking water. A large oestrus monitoring and recognition model integrating attitude analysis, behavior analysis, living state analysis and an integration module is constructed, and after training and iterative optimization, accurate judgment of oestrus, non-oestrus and wig oestrus states of beef cattle is achieved in combination with ear tag identity recognition. By monitoring the dynamic gaits and behavior modes of the beef cattle and combining daily life data of the beef cattle, the problem of misjudgment caused by wig oestrus is greatly avoided, and the monitoring accuracy is improved.

The invention discloses a livestock identity recognition method and system based on an unmanned aerial vehicle, and relates to the technical field of livestock identity recognition, and the method comprises the steps: constructing an identity information database which comprises the electronic ear tag IDs of all target livestock individuals in a pasture, a visible light feature image, an infrared thermal imaging contour template and a historical motion behavior sequence in a cloud server; initialization of an unmanned aerial vehicle system carrying a visible light camera, an infrared thermal imager, an RFID reader and an edge calculation module is completed, and communication connection between the unmanned aerial vehicle system and a ground control station and between the unmanned aerial vehicle system and a cloud server is established; controlling the unmanned aerial vehicle to enter an inspection area, monitoring a ground target through a visible light camera, synchronously acquiring a visible light image, an infrared thermal image and a radio frequency response signal of a target individual when the livestock is detected to enter an effective identification range, and performing timestamp alignment on the three types of data; a first visual feature vector is extracted from the visible light image and a visual confidence score is generated.

The invention relates to the technical field of electronic tracking marks, in particular to a whole-course traceable pig intelligent electronic ear tag and method for livestock breeding. The live pig intelligent electronic ear tag comprises a nonlinear characteristic analysis module, a behavior trend modeling module, a coding strategy adjustment module, a compression efficiency evaluation module, an abnormal mode monitoring module, a resource adjustment strategy module and a behavior early warning feedback module. And the nonlinear characteristic analysis module processes time sequence data by adopting a chaos theory analysis method based on live pig monitoring data. According to the invention, by integrating nonlinear characteristic analysis, behavior trend modeling, coding strategy adjustment, compression efficiency evaluation, abnormal mode monitoring, resource adjustment strategy and behavior early warning feedback modules, the efficiency of livestock breeding management is improved. The application of a chaos theory analysis method and a dynamic modeling technology makes prediction of live pig behaviors and identification of abnormal modes more accurate.

The invention discloses a laser cutting device and method for livestock ear tags, and belongs to the technical field of laser cutting. The laser cutting device comprises a supporting plate, a laser head and a control assembly are arranged above the supporting plate, the laser head is installed in the control assembly, and the control assembly is used for controlling the laser head to move in the X-axis direction and the Y-axis direction; a plurality of sets of photoelectric distance measuring sensors are installed outside the outer side of the laser head and evenly distributed on the outer side face of the laser head. According to the method, only a preset thickness is cut each time in a layer-by-layer cutting mode, so that heat generated by cutting each layer is relatively less, local overheating is avoided, a heat affected zone is reduced, the cutting quality is improved, in the cutting process, the temperature value of a cutting point is detected in real time through an infrared thermometer, and the cutting efficiency is improved. And the cutting power of the laser head is dynamically adjusted according to the difference value between the actual cutting temperature and the preset cutting temperature, and it is ensured that the cutting process is stable and efficient.

The utility model discloses adjustable ear tag forceps for animal husbandry and veterinary, which relates to the technical field of ear tag forceps and comprises a forceps body I and a forceps body II, the forceps body I and the forceps body II are rotatably connected in an X shape through a rotating shaft, a reset spring is arranged between the forceps body I and the forceps body II, the forceps body I comprises a handle I and a forceps head I, and the forceps body II comprises a handle II and a forceps head II. A pressing assembly used for fixing an ear tag is installed on the first forceps head, a fixing cylinder is fixedly connected to the top of the second forceps head, a through hole with the same inner diameter as the fixing cylinder is formed in the second forceps head, an elastic rubber ring is installed in the through hole, an ear tag needle is installed in the fixing cylinder, and an adjusting assembly used for adjusting the installation height of the ear tag needle is installed on the top of the fixing cylinder. Positioning assemblies used for fixing the ear tag needle are symmetrically arranged on the two sides of the second forceps head. According to the pair of ear tag pliers, the ear tag pliers can be suitable for different ear tags by adjusting the mounting depth of the ear tag needle, and the ear tag needle is detachable, convenient to replace and high in practicability.

The invention discloses an angle-adjustable animal power generation ear tag which comprises a main body shell and a fixing piece, the fixing piece and the main body shell are connected through an angle adjusting structure, the angle adjusting structure comprises a rotating seat arranged on the main body shell, and a rotating cavity is formed in the rotating seat; the rotating cavity is provided with a plurality of bayonets which are distributed at intervals in the circumferential direction; the angle adjusting structure further comprises a rotating head which is arranged on the fixing piece and extends into the rotating cavity, and the rotating head is provided with a buckle capable of rotating and switching between the bayonets. The fixing piece and the main body shell are connected through the angle adjusting structure, when the friction nanometer power generation unit is applied to a specific animal, the performance at different angles is detected after the angle is adjusted, the contact condition of the friction nanometer power generation unit is optimized, and therefore the friction nanometer power generation unit is always kept at the optimal angle in the using process. To maximize the generation of triboelectric charges, this dynamic adjustment mechanism significantly improves energy capture efficiency.

The invention discloses an intelligent livestock and poultry ear tag device based on edge calculation and lightweight reasoning, and the device comprises a dynamic sampling module which collects the motion behavior data of livestock and poultry through a three-axis acceleration sensor based on a low-power-consumption sampling mechanism. The local processing module carries out local real-time processing on the collected data by adopting feature screening and a light-weight behavior recognition algorithm based on a TinyML model, and the low-power-consumption transmission module processes the collected data based on a bitmap compression coding form to carry out internal communication transmission, so that wireless data transmission is carried out by a low-power-consumption transmission mechanism based on AI edge calculation; according to the method, a low-power-consumption sampling mechanism and a lightweight algorithm based on a TinyML model are matched with feature screening, so that the power consumption and the calculation amount can be greatly reduced; an AI edge computing architecture is utilized, only key events and features are uploaded, the wireless transmission frequency is reduced, the communication power consumption is reduced, and local intelligent operation in a network disconnection scene is supported.

The invention discloses a piglet ear tag continuous marking device and method, and belongs to the technical field of livestock breeding equipment.The device comprises a marking mechanism, a male tag clamp, a female tag clamp and a protective cover, the protective cover is arranged on the outer side of the marking mechanism, and the marking mechanism comprises a rack, a switch device and a driving device; the rack is provided with a male label clamp positioning groove and a female label clamp positioning groove, the male label clamp is installed on the male label clamp positioning groove, the female label clamp is installed on the female label clamp positioning groove, the switching device and the driving device are both installed on the rack, and the switching device is used for controlling the driving device. The problems that an existing marking tool is heavy in marking workload, low in marking efficiency, poor in stability and high in ear tag clamp damage rate are solved. The device can realize continuous and stable ear tag printing through single-person operation, greatly improves the working efficiency of large-scale ear tag printing of piglets in breeding enterprises, reduces the workload of breeders, and has important significance for promoting the development of the breeding industry.

The invention discloses a livestock growth state monitoring method based on machine vision, and relates to the technical field of image processing, and the method comprises the steps: collecting a color video, a depth map, a high-frame-rate video and thermal imaging data in a sheep shed in real time through multiple types of camera devices, synchronizing a multi-device timestamp through a network time protocol, constructing a panoramic image, and carrying out the real-time monitoring of a livestock growth state. Ear tag recognition and multi-feature fusion are combined, a unique identity code is generated and stored in a database, and accurate individual recognition is achieved. Extracting health indexes such as physique parameters, activity amount, ingestion and rumination behavior characteristics, hair color and gait information, body surface temperature and respiratory rate of the sheep by adopting an image processing and behavior analysis technology; sequentially calculating a physique development index, a behavior vitality index and a health state index, performing dynamic evaluation by setting a threshold value, and judging the development, behavior and health state of the sheep in real time; for abnormal conditions, the system automatically starts corresponding monitoring and intervention strategies, so that the health of the sheep is effectively guaranteed, and the breeding management level is improved.

The ear tag pliers comprise a pliers seat, an opening is formed in the rear side of the pliers seat, two sliding rods are fixedly connected into the opening, a first handle is fixedly connected to the rear side of the pliers seat, a hanging rod is fixedly connected to the bottom of the pliers seat, and a disinfectant storage box is fixedly connected to one end of the hanging rod. The animal ear cleaning and disinfecting device has the advantages that the first handle and the second handle are held by hands to enable the clamp base to be arranged on an animal ear in a sleeved mode, then the first handle and the second handle are pressed to drive the positioning and perforating mechanism and the cleaning and disinfecting mechanism to operate at the same time, and the positioning and perforating mechanism can conduct positioning and perforating on the animal ear. The cleaning and disinfecting mechanism can spray disinfectant to the perforated part of the animal ear for disinfection, the structure is reasonable, quick positioning and perforating are facilitated, meanwhile, the cleaning and disinfecting mechanism can disinfect the perforated part of the animal ear, and inflammation after the animal ear is perforated is prevented.

The invention discloses a channel identification device for a live pig wearing a UHF ear tag, and the device comprises a rectification circuit and a modulation circuit, and also comprises a self-inspection processing circuit which comprises a first processing unit, a second processing unit, and an output unit. The rectification circuit rectifies the RF signal, feeds back an Input signal to the first processing unit for voltage stabilization power supply and fault detection processing, and feeds back a Port1 fault signal and a VDD1 power supply signal to the second processing unit, and feeds back a VDD2 power supply signal to the output unit. The second processing unit generates different Port2 reference carrier signals based on whether the Port1 fails or not, and the different Port2 reference carrier signals are fed back to the modulation circuit through the output unit.

The utility model discloses an ear tag device for animal husbandry veterinary, which belongs to the technical field of animal husbandry, and comprises an ear tag forceps body, the ear tag forceps body comprises an upper clamping plate and a lower clamping plate which are mutually hinged, an ear tag needle is fixedly connected inside one end of the upper clamping plate, a male tag is sleeved on the outer circular surface of the ear tag needle, and a limiting mechanism is arranged on one side of the upper surface of the lower clamping plate. A U-shaped notch is formed in the other side of the upper surface of the lower clamping plate, the lower clamping plate is provided with a female label through a limiting mechanism, and a correcting mechanism is arranged at the end, close to the U-shaped notch, of the lower clamping plate. According to the device, after the female label is limited by the U-shaped pressing plate, the electric telescopic rod can be started to be in an extension state, so that the correction supporting plate limits and clamps the female label, the female label is located under the male label at the moment, the position of the female label does not need to be manually and repeatedly adjusted, and the central axes of the male label and the female label can be located on the same horizontal plane; the operation process is simple and rapid, and the work efficiency of the whole ear tag is effectively improved.

The utility model relates to the field of animal monitoring equipment, and provides an electronic ear tag which comprises a female tag, a male tag, a positioner, a temperature measuring probe, a heart rate sensor, a control mainboard and a wireless communication module, the female tag is provided with an installation cavity, the positioner and the wireless communication module are both located in the installation cavity, and the male tag is provided with a needle head. The needle head is used for puncturing an ear of a livestock and is inserted into the female tag; the temperature measuring probe and the heart rate sensor are respectively mounted on one side, facing the male tag, of the female tag; the positioner, the temperature measuring probe and the heart rate sensor are electrically connected with the control main board, and the control main board is electrically connected with the wireless communication module. The temperature measuring probe and the heart rate sensor are directly and tightly contacted with the ears of the livestock, so that the accuracy of monitoring the body temperature and the heart rate of the livestock is ensured; the control mainboard sends the position information, the body temperature information and the heart rate information of the livestock to the livestock management terminal in real time through the wireless communication module, so that multi-dimensional health monitoring is carried out on the livestock, and the high requirement of modern animal husbandry for livestock health management is met.

The utility model provides an animal ear tag, relates to the technical field of positioning tags, and aims to solve the problems that an existing RFID tag suitable for a small animal is implanted under the skin of the animal in an intrusive injection mode, operation is inconvenient, and use limitation is large. Comprising an ear tag body and an induction box, the ear tag body comprises a first bent edge and a second bent edge which are arranged in pairs, and the first bent edge and the second bent edge both extend towards the middle line direction of the ear tag body; the induction box is provided with a first connecting hole and a second connecting hole which are arranged in pairs, the first connecting hole and the second connecting hole are located in the two opposite side faces of the induction box respectively, the positions of the first connecting hole and the second connecting hole correspond to the positions of the first bent edge and the second bent edge, the first bent edge is inserted into the first connecting hole, and the second bent edge is inserted into the second connecting hole. The second bent edge is inserted into the second connecting hole; the ear tag body is provided with an identification area. The device is convenient to operate, and has both naked eye readability and machine readability.

The invention relates to the technical field of animal husbandry instruments and discloses animal husbandry ear tag pliers which comprise a main grab handle, a rotating wheel is rotationally connected to the main grab handle, a torsional spring is arranged at the rotating joint of the rotating wheel and the main grab handle, a rotary knob is fixedly connected to the rotating wheel, an incomplete gear is fixedly connected to the middle of the rotating wheel, and an L-shaped rack is meshed with one side of the incomplete gear. The lower end of the L-shaped rack is fixedly connected with a pressing rod, the main grab handle is fixedly connected with a limiting ring, the pressing rod is slidably connected into the limiting ring, and the bottom end of the pressing rod penetrates out of the limiting ring and then is fixedly connected with a pressing needle. By means of automatic marking operation through reset of the torsional spring, the burden of direct force exerting of the hand in each time of marking is greatly relieved, compared with traditional ear tag pliers for marking by completely depending on manual and successive exerting of large force, more labor is saved, more marking times can be completed within the same time, the work efficiency of installing ear tags for livestock is remarkably improved, and the labor intensity of workers is lowered. The method is suitable for the scene of quickly wearing the animal ear tag in a large-scale farm.

The invention belongs to the technical field of image data processing, and discloses a livestock veterinary animal body temperature intelligent detection method based on temperature measurement, and the method comprises the steps that a data collection module collects livestock data; marking the data; the infrared thermal image acquisition module is used for acquiring infrared thermal images of livestock; the intelligent ear tag collects the temperature in the animal body; the image acquisition module acquires high-definition images of animals in real time; the infrared thermal image analysis module identifies abnormal conditions; the behavior analysis module is used for discovering abnormal conditions; the comprehensive analysis module performs comprehensive analysis and predicts potential risks; when an abnormal condition exists, the alarm module gives an alarm. According to the invention, through dual temperature acquisition of the infrared thermal image acquisition module and the intelligent ear tag, cooperative monitoring of body surface temperature and in-vivo temperature is realized; the temperature data accuracy is improved; a comprehensive individual file is constructed, and rich reference basis is provided for health monitoring; and the comprehensive analysis module fuses the multi-dimensional information, identifies abnormal conditions and predicts potential risks.

The utility model belongs to the technical field of livestock breeding equipment, and particularly discloses an electronic ear tag which comprises an upper cover. The upper cover is connected with the lower cover, and an emitting part is arranged between the upper cover and the lower cover; the transmitting part is used for transmitting information; and the spine piece is arranged above the upper cover and is used for preventing a pig from biting the launching piece and protecting the launching piece. When the ear tag is used, the emitting part is arranged in the upper cover and the lower cover, the spine part is arranged above the upper cover, through the arrangement of the spine part, the spine structure has a pricking feeling on the oral cavity of a pig, the risk of biting is greatly reduced, the emitting part is protected, and therefore the problems that the ear tag is damaged, a chip in the ear tag is damaged, and the ear tag falls off are effectively solved.

The invention discloses a livestock intelligent ear tag and management system, which comprises a Bluetooth AOA positioning module, a UHF RFID module, a sensor module and a dynamic power consumption management unit, and is characterized in that the Bluetooth AOA positioning module realizes centimeter-level dynamic positioning through a base station array, and the dynamic power consumption management unit adjusts the data reporting frequency according to the livestock motion state. The Bluetooth AOA positioning module and the UHF RFID module are dynamically switched and multiplexed in a time division mode, and the limitation of a traditional ear tag on precision, endurance and reliability is broken through through three core technologies of double-frequency cooperation, dynamic power consumption and a glue-pouring-free technology.

An electronic ear tag [1] for use in the monitoring or management of livestock has a mass of 32 grams or less. The tag has a polycarbonate housing [3] made with front and rear portions [9] and [11] which are ultrasonically welded together, and has a short neck [7] and a prong [15] for attachment to the ear of an animal. A PCB [40] in the housing includes a microprocessor, a GNSS module and a LoRa transceiver and antenna. A gateway [103] for communication with the ear tag {1] and with the telephone network is also disclosed, as is an animal monitoring and / or management system which uses the ear tag [1] and the gateway [103].

The utility model relates to the technical field of ear tags for animal husbandry, and discloses a flexible ear tag which comprises a front cover and a rear cover, the rear cover is embedded in the front face of the front cover, a flexible solar cell panel is embedded in the front cover, and the left side of the front face of the flexible solar cell panel is connected with a temperature measuring resistor. The flexible solar cell panel is externally connected with a flexible cell, the top of the front cover is connected with a first clamping piece, the front face of the first clamping piece is connected with a second clamping piece in a clamped mode, and a display panel is embedded in the front face of the front cover. According to the flexible ear tag, when a breeder manages the ear tag, the number of the ear tag can be seen clearly from a farther distance, and when the flexible ear tag is assembled to the ear of an animal through the additionally arranged second clamping piece and the first clamping piece, the junction of the first clamping piece and the second clamping piece is automatically shielded and protected; bacteria and dust are prevented from entering the junction of the first clamping piece and the second clamping piece, and then ear inflammation of the livestock is avoided.

The utility model discloses a multi-color combined splicable ear tag, which belongs to the technical field of animal husbandry management and animal identification, when the multi-color combined splicable ear tag is used, a male tag and a female tag are respectively positioned on two sides of an animal ear, and a puncture part of an ear stud on the female tag is fixed in an ear stud fastening hole of the female tag after penetrating through the animal ear. The male tag and the female tag are arranged on the two sides of the animal ear respectively, the ear tag pieces with the same number and the same color combination can be installed on the male tag and the female tag in the circumferential direction, ear tag information on the animal ear can be conveniently and rapidly recognized from the distance, the two sides of the ear and all angles in the circumferential direction, and the problem that the view is shielded and cannot be observed is solved.

1. The name of the design product: electronic ear tag. 2. The use of the design product: tool for livestock identity recognition. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. Name of the product in this design: Electronic ear tag (317). 2. Purpose of this design: To be worn on an animal's ear to identify, measure, and detect the animal's identity, body temperature, and movement, and to upload the data to a handheld terminal device via wireless transmission. 3. The key design features of this product are its overall appearance and shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention belongs to the technical field of ear tag pliers, and particularly provides a pair of multifunctional ear tag pliers for large livestock, which comprises an elastic clamping type lower clamping plate assembly, and a self-rebounding type upper clamping plate assembly is slidably arranged on the upper part of the elastic clamping type lower clamping plate assembly; the springing clamping type lower clamping plate assembly and the self-rebounding type upper clamping plate assembly are connected with an adjustable clamp assembly, the springing clamping type lower clamping plate assembly comprises a first clamping plate and a clamping mechanism, the clamping mechanism is arranged on the first clamping plate, the self-rebounding type upper clamping plate assembly comprises a second clamping plate and a pressing mechanism, and the pressing mechanism is arranged on the second clamping plate. The pressing mechanism is arranged on the lower portion of the second clamping plate, and a disinfection box is arranged on the upper portion of the second clamping plate. According to the multifunctional ear tag pliers for the large livestock, the main tag neck can be kept perpendicular to the auxiliary tag all the time, the nailing needle can be cleaned and disinfected in time before and after marking, meanwhile, the ear tag pliers can be rapidly separated from the ear tag through a rebound structure after marking, and the multifunctional ear tag pliers are suitable for ear tags of various sizes.

The invention discloses a dairy cow oestrus recognition system based on attitude angle and track fusion of a low-power-consumption Bluetooth ear tag. The dairy cow oestrus recognition system comprises an attitude angle acquisition terminal module, a track behavior reconstruction module, a high-frequency sampling trigger module, an edge recognition and preprocessing module, a fusion judgment and early warning output module and a cloud platform collaboration module. The system periodically collects three-axis attitude angle data through Bluetooth ear tag equipment worn on the ears of a dairy cow, reconstructs a virtual track point string in combination with wireless signal intensity, and identifies behavior trends and spatial path characteristics of individuals respectively; in a suspected state, a short-time high-frequency sampling window is automatically triggered to capture subtle disturbance behaviors, and recognition of complex behaviors such as silent oestrus, short-time oestrus and passive oestrus is achieved. The system adopts a multi-channel collaborative recognition and fusion voting mechanism to output an oestrus judgment result, has the advantages of low power consumption, high adaptation, deployability, expandability and the like, and is suitable for behavior monitoring and intelligent breeding management of a large-scale cow farm.