285 results about "Poultry farmer" patented technology

The invention belongs to the technical field of livestock and poultry breeding environment intelligent control, and particularly relates to a meat duck breeding environment temperature regulation and control method and system integrating quantile regression prediction and reinforcement learning. The method comprises the following steps: collecting multi-dimensional data of a breeding environment and operation state information of environment regulation and control equipment, and performing feature construction to obtain a feature vector; using the multi-source data set to predict in-house temperature based on quantile regression to obtain predicted temperatures under different quantiles; modeling a breeding environment temperature regulation problem into a Markov decision process, and dynamically adjusting fan power and a wet curtain equipment state; and setting an online updating model step threshold, and performing actual deployment and application on the reinforcement learning decision model obtained by training and fusing quantile regression information. According to the method, the problems that the meat duck breeding environment temperature regulation and control technology still faces insufficient predictability, regulation and control lag, control strategy static performance, multi-target optimization deficiency and the like are solved.

The invention discloses a feed additive for relieving animal mycotoxin poisoning and a preparation method thereof. The feed additive comprises the following components in parts by weight: 25-30 parts of attapulgite, 25-30 parts of montmorillonite, 25-30 parts of yeast cell walls, 2-5 parts of vitamin E, 5-10 parts of taurine and 5-10 parts of lipoic acid. The feed additive disclosed by the invention can be used for remarkably improving the harm problem of mycotoxin in the livestock and poultry breeding production process and reducing the economic loss of livestock and poultry farmers caused by the mycotoxin pollution of the feed.

The invention provides a laying hen feeding scheme adjustment method and system based on moulting image recognition, and relates to the technical field of intelligent breeding, and the method comprises the steps: obtaining a multi-angle body surface image sequence synchronously collected by a plurality of laying hen individuals in a target chicken flock under a natural light condition; performing semantic segmentation according to the multi-angle body surface image sequence to obtain a feather contour segmentation map set; performing group feature joint extraction according to the feather contour segmentation map set to obtain a multi-dimensional feature tensor representing individual features and group distribution information at the same time; performing group state collaborative inference according to the multi-dimensional feature tensor to obtain a three-dimensional probability distribution vector; performing group nutrition demand mapping according to the three-dimensional probability distribution vector to obtain an optimal nutrition parameter combination suitable for the whole chicken flock; and generating a feeding scheme according to the optimal nutrition parameter combination to obtain a feeding instruction stream. The accuracy and adaptability of nutrition regulation and control in the moulting period are effectively improved.

The invention provides a method for identifying abnormal behaviors and death states of chickens based on attitude angles, which comprises the following steps of: continuously acquiring three-axis attitude angle signals (namely a pitch angle Pitch, a yaw angle Yaw and a roll angle Roll) by using an inertial sensing device worn on the body surface of a chicken, constructing a low-frequency behavior track sequence, and identifying the abnormal behaviors and the death states of the chicken according to the low-frequency behavior track sequence; and through a set posture change threshold value, posture stability judgment, frequency distribution analysis and a posture imbalance recognition algorithm, whether the chicken is in the states of dysphoria, abnormally static, prostration, stiff head raising or death or not is judged. The method does not depend on acceleration or six-axis fusion signals, has the advantages of being low in power consumption, high in adaptability, easy and convenient to deploy and the like, and is suitable for continuous health monitoring and death early warning management of chicken individuals in a large-scale farm. The method has the characteristics of clear signal input boundary, accurate recognition mechanism, economical system deployment and the like, and the digital management efficiency and the animal welfare guarantee level of poultry breeding are remarkably improved.

The present invention relates to a collapsible brooder structure designed to enhance the efficiency and convenience of poultry housing. The brooder features a unique folding mechanism that allows for easy assembly and disassembly, facilitating compact storage and transport. Central to the invention are a top lid with ventilation openings and secure locking mechanisms, foldable left and right-side portions that divide into halves for collapse, and a segmented bottom portion with folding lines for inward folding. The structure also includes a front portion with a two-door mechanism, providing access while ensuring security with a locking system. A removable tray with vertical edges fits snugly at the bottom, supporting poultry and facilitating maintenance. This innovative design addresses space, transport, and usability challenges in poultry farming, offering a versatile, scalable solution for efficient poultry rearing across various farming scales, thereby improving operational efficiency and animal welfare.

The invention discloses a poultry breeding record analysis method and system, and relates to the technical field of poultry farming, and the system comprises a multi-modal data dynamic fusion module, a self-adaptive dynamic modeling module, a multi-mechanism verification and screening module, and a system cooperation interface module. And the multi-modal data dynamic fusion module is used for carrying out dynamic knowledge graph construction and conflict cleaning on genotype data, environment time sequence data and phenotype data. According to the poultry breeding record analysis method and system, deep association and real-time fusion of genotype, environment and phenotype multi-source data are realized through a dynamic knowledge graph and a federated space-time embedding model, a data island barrier of a traditional system is effectively broken through, autonomous balance between a long-term breeding target and short-term dynamic response can be realized, and meanwhile, the method and the system have good application prospects. And a double verification mechanism of causal reasoning and extreme confrontation testing is adopted, so that the decision confidence is improved, and resource waste and risk lag caused by empirical decision are remarkably reduced.

The invention discloses a disease monitoring and preventing system for goose breeding based on big data, and relates to the technical field of poultry breeding monitoring. The system comprises a sensing front end, a storage end and a big data processing end, the big data end comprises an individual health monitoring module, a group behavior recognition module and a comprehensive evaluation patrol module; individual health monitoring and group behavior recognition are carried out on the goose house, and comprehensive analysis is carried out by combining output results of the individual health monitoring and the group behavior recognition to plan a goose house inspection route, so that omnibearing perception and intelligent analysis of the environment, physiology and behaviors of the goose house are realized, weak physiological or behavior abnormalities can be captured in the early stage of a disease; and the operation and maintenance cost and the computing power occupation are obviously reduced through dynamic inspection route optimization and intermittent sampling, so that the epidemic disease prevention and control efficiency and the production safety of the goose farm are comprehensively improved.

The invention discloses a multi-channel step-in growth performance measuring system and method for flat-raised poultry, and belongs to the field of poultry farming, the method adopts a step-in multi-channel growth performance measuring device structure based on behavior characteristics so as to adapt to poultry farming groups of different scales, flexible expansion and deployment are realized, and the measuring accuracy is improved. Through a signal calibration matching strategy, RFID signals of different channels are accurately matched with data of a strain sensor to ensure that the signals of the different channels do not interfere with each other, error-free individual information identification is realized, the RFID technology is utilized to record the activity frequency and the residence time of poultry in different areas, the activity distribution rule of the poultry is analyzed, and the identification accuracy is improved. Data support is provided for further behavior research and health status, a large amount of effective data support is provided for screening of excellent poultry, unmanned automatic monitoring of the poultry farm is realized, the production benefit of the poultry farm is improved, poultry group stress caused by manual operation is reduced, and normalization and reliability of data acquisition are ensured.

The invention provides a heat stress activation state threshold regulation and control method and system based on poultry group behavior feedback, and relates to the technical field of intelligent management and control of livestock and poultry breeding environment, and the method comprises the steps: recognizing the number of poultry heads in a heat wheezing state and the total number of the poultry heads based on poultry head images, and obtaining the real-time heat wheezing proportion of poultry groups; based on a distributed environment real-time acquisition network, obtaining an in-cage environment temperature and humidity index; aiming at each region, integrating data pairs synchronized by a time window, fitting a piecewise linear regression relationship of the real-time heat wheezing proportion of the poultry group along with the change of the temperature and humidity index of the environment in the cage, dynamically generating a heat stress grading threshold value of the region based on a characteristic turning point, generating a house-level regulation and control instruction and a region-level regulation and control instruction, and carrying out region-level regulation and control on the region-level regulation and control instruction. The local environment of the corresponding area is adjusted and alarmed, and a heat stress activation state threshold regulation and control result is obtained. The problems that poultry group heat stress is difficult to accurately and dynamically assess and poultry house environment is difficult to finely and hierarchically control in different production scenes are solved.

The utility model discloses a poultry breeding central egg collecting buffer device which comprises a buffer main plate, the buffer main plate is a main body for fixing other parts of a buffer mechanism, the length and the width of the buffer main plate correspond to the size of a lap joint egg collecting line, the buffer main plate is arranged on the upper portion of the egg collecting line, and adjusting supports are arranged on the two sides of the front end and the rear end of the buffer main plate. Guide grooves are formed in the lower portions of the left side and the right side of the buffering main plate, transmission chains are arranged in the guide grooves, transmission chains are arranged on the left side and the right side and arranged on a motor, the motor is connected with a buffering speed regulator, and buffering brushes are arranged on the upper sides of the two transmission chains. According to the device, eggs can be quickly, stably and safely collected and put in storage in the poultry breeding center egg collection process, and the egg collection line body is cleaned in the transportation process; in addition, the egg collecting device is high in egg collecting efficiency and labor-saving.

The utility model discloses a poultry vaccination marking mechanism which comprises an ink jet mechanism, the ink jet mechanism is flat and hollow and is connected with an external liquid pump through a hose, one side of the ink jet mechanism is provided with a nozzle, the other side of the ink jet mechanism is rotatably provided with a limiting ball, one end of the limiting ball is connected with a connecting mechanism through a connecting rod, and the other end of the limiting ball is connected with the connecting mechanism. The input end of the liquid pump is connected with an ink box containing marking ink through a pipeline, and the output end of the liquid pump is connected with the ink jetting mechanism through a hose. The trigger switch of the liquid pump can be linked with the vaccine injector, when the vaccine injector is started to inject vaccines once, the liquid pump operates once, a certain amount of ink is sprayed to feathers on poultry bodies, and the ink-jet mechanism is linked with the vaccine injection mechanism to inject the vaccines into the feathers. Meanwhile, the poultry feather marking device is small and exquisite in design, light, simple in structure, low in use and maintenance cost and suitable for small-scale poultry breeding.

The invention discloses a filter structure for poultry farming ventilation equipment, which comprises a support, a filter box and a collection box are mounted on the support, an air inlet pipe is mounted on the filter box, an ozone generator is mounted on the air inlet pipe, a motor for driving a shaft rod to rotate is mounted on the filter box, an air storage box is mounted on the collection box, and a motor for driving the shaft rod to rotate is mounted on the air storage box. The air storage box is connected with the collecting box through a conveying pipe, a pressure release valve is installed on the conveying pipe, a hose is installed on the conveying pipe, and a moving block is arranged in the filter box in a reciprocating motion mode. The movable dust filtering net is combined with clear water, the dust collection capacity is improved, dust and floating objects in air are effectively filtered out, local blockage is avoided, and the filtering effect is guaranteed; meanwhile, through the design of the air supply mechanism and the dust suction pipe, impurities on the dust filtering net are automatically cleaned, manual disassembly and cleaning are not needed, the labor amount is reduced, and continuous and efficient operation of the filtering structure is ensured.

The invention relates to the technical field of probiotic preparations, in particular to an Ackerman bacterium probiotic preparation and application of the Ackerman bacterium probiotic preparation in prevention of bacterial pneumonia of chicks, the Ackerman bacterium probiotic preparation is prepared from the following raw materials in parts by weight: 40-60 parts of compound probiotics, 10-25 parts of prebiotics, 10-18 parts of a carrier and 8-15 parts of a freeze-drying protective additive, the preparation method of the Ackerman bacteria probiotic preparation comprises the following steps: adding the prebiotics and the freeze-drying protective agent into sterile water, and uniformly stirring to prepare a mixed solution; and fully mixing the composite probiotics with the mixed solution and the carrier, performing freeze drying, controlling the water content to be 3-5% after drying, and performing granulation to obtain the Ackerman bacteria probiotic preparation. The Ackerman bacterium probiotic preparation can significantly reduce the morbidity and mortality of bacterial pneumonia of chicks, and provides a new efficient and green disease prevention and control strategy for the poultry breeding industry.

The invention provides a feeding station capable of accurately evaluating the social grade of chicken flocks, and belongs to the technical field of poultry farming, the feeding station comprises a frame, net racks are fixed in the left and right side walls of the frame, and a lifting door structure is arranged on the front side of the frame. According to the invention, through the arrangement of the transmission roller, the conveying belt, the cleaning linkage structure, the weight sensor, the foot ring scanner, the weighing sensor, the feed box and the built-in camera, the daily gain and daily feed intake of each chicken are accurately measured, the breeding efficiency is improved, the fighting behavior of the chicken flocks can be monitored in real time, the social grade of the chicken flocks can be evaluated conveniently, and the economic benefit of the chicken flocks is improved. Through transmission of the conveying belt, on one hand, chicken droppings can be conveniently cleaned, health management of chicken flocks is improved, disease transmission is reduced, on the other hand, chickens can be driven, and the phenomenon that the chickens lie down is avoided; the problems that in the prior art, chicken droppings are inconvenient to clean, chickens are inconvenient to drive, and fighting behaviors are inconvenient to monitor are solved.

The invention relates to a chicken beta-defensin-6 mutant based on AI aided design, a recombinant expression system and application, and relates to the technical field of gene engineering and protein engineering. The chicken beta defensin-6 mutant has the following amino acids at the following five sites: lysine at the 33rd site, lysine at the 35th site, asparagine at the 49th site, arginine at the 61st site and proline at the 65th site. The chicken beta-defensin-6 mutant has high stability, activity and solubility, compared with wild chicken beta-defensin-6, the chicken beta-defensin-6 mutant has higher antibacterial activity and expression level, an efficient and safe antibacterial substitute is provided for livestock and poultry breeding, and the chicken beta-defensin-6 mutant can be widely applied to the fields of livestock and poultry breeding, animal health care and biological preservation.

The utility model relates to the technical field of poultry breeding water troughs, in particular to a poultry breeding water trough which comprises a trough body, a side plate is fixedly connected to the bottom end of the right side wall of the trough body, a water pump is installed on the upper end face of the side plate, one side of the water pump is communicated with a water inlet pipe, and the other end of the water inlet pipe extends into the trough body. Drinking water enters the water collecting pipe through the water outlet pipe and then is sprayed out through the multiple nozzles, so that the drinking water enters the tank body again, a water source of the tank body is changed into running water, residues of polluted water sources are reduced, and bacterium breeding is avoided; a filter screen can filter impurities and dirt in the drinking water, the cleanliness of the drinking water is further improved, when the interior of the tank body needs to be cleaned, the water guiding amount of a water pump is adjusted to be the highest, the water pressure is increased, and therefore high-pressure washing can be conveniently conducted on the interior of the tank body through a spray head, cleaning is more convenient, and use is flexible.

The utility model discloses a goose egg laying recording device, which relates to the technical field of poultry farming equipment and comprises an egg laying mechanism, an egg falling mechanism is arranged on the rear side of the egg laying mechanism, a buffer counting mechanism is arranged on the rear side of the egg falling mechanism, a collecting mechanism is arranged at the bottom of the buffer counting mechanism, and the egg laying mechanism comprises an egg laying box. A box inlet inclined plate is fixedly installed below the front side of the egg laying box, a plurality of anti-skid grooves are formed in the top of the box inlet inclined plate, an egg rolling inclined plate inclining backwards is fixedly installed at the bottom of the inner wall of the egg laying box, and an egg outlet groove penetrating through an inner cavity of the egg laying box is formed in the lower portion of the rear side of the egg laying box. The collecting box, the falling egg collecting tank, the recycling water tank, the water outlet hole, the water spraying box, the water suction pump, the water suction hose and the water spraying head are matched with one another, so that the number of each heavy goose egg can be recorded and collected without damage, the integrity of the goose eggs during automatic recording and collecting is effectively improved, and loss is avoided.

The invention relates to livestock feeding probiotics, in particular to bacillus subtilis and application, the bacillus subtilis is bacillus subtilis BW and is preserved in the China General Microbiological Culture Collection Center on April 10, 2025, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) 0.34165. The bacillus subtilis BW disclosed by the invention can be colonized in animal bodies, so that the diarrhea rate of piglets is remarkably reduced, the immunity of intestinal tracts is improved, and the health of the intestinal tracts is improved; after the bacillus subtilis BW is used for feeding ruminants, the feed conversion efficiency can be remarkably improved, the growth performance can be improved, and the bacillus subtilis BW has a good application prospect in livestock and poultry breeding.

The present application reveals Solar-powered Chicken Coop Door designed for poultry farming. It comprises a rolling gate, an aluminum alloy casing, a solar panel, a battery, and a motor. The solar panel supplies energy to the gate's switch, while the battery and motor are housed within the aluminum casing. The setup includes a battery compartment and motor compartment, along with a central rotation shaft embedded in the aluminum housing. This invention uses solar power to automate the door, reducing manual intervention. Additionally, ultrasonic waves and blinking lights deter animals without harming humans, enhancing the chicken coop's protection and significantly boosting farmers' productivity.

The invention discloses an egg picking device for poultry farming, and relates to the technical field of poultry farming, the egg picking device comprises an operating rod, the cross section of the operating rod is of a hexagonal structure, the clamping moving mechanism comprises a fixed long plate, the fixed long plate is installed on the right side of the bottom end of the operating rod, and the interior of the operating rod is of a hollow structure. When eggs are picked up, eggs laid by different poultry can be picked up by bending down differently, after being picked up, the eggs are placed in a storage area, the applicability in the egg picking process is improved, the picked eggs can be cleaned in the egg picking process, light irradiates the outer portions of the eggs during cleaning, and the eggs can be cleaned through the light irradiation condition, so that the egg picking efficiency is improved. Workers can judge whether eggs are good or not at the first time, if the eggs are bad, the eggs can be directly placed in other areas, and meanwhile the stability of the cleaning end during rotation can be guaranteed.

The utility model discloses an automatic feeding device for poultry farming, which comprises a feeding box, a water tank and a feed tank are arranged in the feeding box, the side wall of the feed tank is communicated with a feed pipe, a feed disc is arranged below the feed pipe, the bottom in the feed disc is slidably connected with a push plate, the outside of the feed pipe is fixedly connected with a fixing sleeve, and the fixing sleeve is fixedly connected with the feed tank. Fixing blocks are fixedly connected to the two sides of the fixing sleeve, second sliding rods are fixedly connected to the lower ends of the fixing blocks, second sliding blocks are slidably connected to the outer portions of the second sliding rods, a movable plate is fixedly connected between the second sliding blocks, and a first piston is installed at the upper end of the movable plate. By means of the structure, the push plate is matched with the supporting rod, after feed in the feed tray is reduced, feed can be automatically fed into the feed tray, and normal diet of poultry is guaranteed.

This invention relates to the technical field of poultry farming, specifically to an integrated method, system, and device for collecting data on feed conversion ratio (FCR) and behavior of poultry raised on flat land. The device includes a main frame, a weighing platform, a feeding mechanism, an adjustable front door mechanism, a rotatable fan-shaped middle door deterrent mechanism, a feed trough weighing mechanism, an electrical control box, and an entrance control box. The system consists of the device and a control system, realizing process control, data acquisition, adaptive adjustment, and data management. The method controls single-bird entry through adaptive front door opening, completing the entire process through identification, weight detection, feed weight collection, timed feeding, and deterrenting. It can also deter multiple birds entering or those not feeding. This invention enables high-precision measurement of individual FCR and simultaneous acquisition of behavioral data, with accurate data, stable operation, and high device utilization, making it suitable for data collection in large-scale flat-land poultry breeding farms.

The utility model relates to a poultry breeding cage, comprising a cage body (1), a large opening (121; 141) being provided on the cage body (1), a large cage door (2) being capable of closing or opening the large opening (121; 141), and characterized in that: a small opening (24) is provided on the large cage door (2), and a small cage door (3) being capable of closing or opening the small opening (24); the large cage door (2) or the small cage door (3) being opened to place or take out poultry of different sizes. The utility model can freely choose to open the large cage door or the small cage door, thereby conveniently placing small poultry or large poultry in a targeted manner, preventing small poultry from escaping easily from the large cage door or preventing large poultry from coming out of the small cage door easily.

This invention provides a method for monitoring and evaluating the risk of pathogenic bacteria transmission in poultry farm feces, belonging to the field of livestock and poultry biosecurity control technology. The method includes evaluating the risk of Salmonella transmission during the poultry physiological cycle, assessing the risk of antibiotic resistance associated with drug administration behavior, and monitoring the function during composting based on microbial community structure and metabolic function. This invention can accurately locate the highest-risk nodes of pathogen contamination and antibiotic resistance evolution during the breeding cycle, solving the problem of inaccurate identification of risk sources in existing technologies and avoiding poultry product contamination due to missed risk assessments. It overcomes the single-dimensional limitation of existing technologies that only detect the quantity of pathogens, comprehensively evaluating pathogen risk from phenotypic, molecular, and functional levels. The assessment results are more in line with the actual biosecurity needs of poultry farming, ultimately reducing the safety risks of poultry product contamination and the spread of antibiotic resistance.

The invention relates to the technical field of livestock and poultry breeding, in particular to a building hog house heat recovery ventilation system which comprises a heat recovery unit, a fresh air system, a waste gas system and a control system, the heat recovery unit comprises an equipment box body, a heat exchanger, an exhaust fan and an air feeder, and a fresh air opening, an air supply opening, an exhaust opening and a waste gas opening are formed in the equipment box body; the fresh air system comprises a fresh air channel, a plurality of fresh air pipelines and a plurality of air distribution pipes, and the fresh air pipelines communicate with the fresh air channel; the waste gas system comprises a waste gas pipeline and a filtering device, the filtering device is located in the exhaust outlet, and the waste gas pipeline communicates with the waste gas port; the control system comprises a controller, a plurality of temperature sensors and a plurality of humidity sensors. The controller is used for controlling and adjusting the heat exchanger, the exhaust fan and the air feeder. According to the heat recovery ventilation system for the building hog house, waste heat recovery treatment is conducted on waste gas in the hog house, the air environment in the building hog house is improved, and meanwhile the temperature control cost of the hog house in winter can be reduced.

This utility model relates to the field of poultry farming technology and discloses an automatically cleaning chicken feed trough, including a fixed base. A cleaning component is provided at the middle of the fixed base, and the cleaning component includes a feed trough located at the middle of the fixed base. The feed trough has a water trough and a feed trough arranged sequentially from the inside to the outside. A rotating rod is located at the middle of the upper end of the feed trough. When a first motor is started, the mounting rod drives a cleaning plate to rotate circumferentially along the inner walls of the water trough and feed trough. Because the cleaning plate is in contact with the inner walls of the water trough and feed trough, it can clean these surfaces. When the cleaning plate passes the upper end of the discharge port, residual feed and debris in the feed trough fall out through the discharge port, thus automatically cleaning the feed trough without manual intervention, reducing worker workload and increasing cleaning efficiency.

This application discloses a digital twin control method for facility poultry farming environments based on deep spatiotemporal data fusion, relating to the field of poultry farming technology. It proposes a spatiotemporal sequence prediction model for environmental parameters using a bidirectional long short-term memory network (VMD-Attention-BiLSTM) that integrates variational mode decomposition and attention mechanisms, effectively overcoming the system's large time lag. A digital twin decision engine based on nonlinear model predictive control is constructed, and the optimal control sequence for energy consumption and environmental quality is solved under multiple constraints by establishing a joint state equation for thermodynamics and gas diffusion. Specifically, for complex winter conditions, a ventilation-heating collaborative game strategy based on real-time heat loss compensation is designed. Adaptive sliding mode control with radial basis function neural network compensation is introduced into the underlying execution unit, significantly enhancing the system's anti-disturbance capability. This achieves precise environmental control under complex conditions, improving poultry welfare and energy efficiency.

The utility model discloses poultry farming equipment with a drying device, and belongs to the field of poultry farming, the poultry farming equipment comprises a farming box body, a door plate is hinged to the front surface of the farming box body, a sliding assembly is arranged on the outer surface of the farming box body, the sliding assembly comprises a sliding rail, the sliding rail is fixedly connected with the outer surface of the farming box body, and a drying device is arranged on the sliding rail. And the surfaces, away from the breeding box body, of the sliding rails are slidably connected with sliding strips, the outer surfaces of the sliding strips are fixedly connected with supporting plates through fixing rods, the number of the supporting plates is two, a rotating roller is rotationally connected between the two supporting plates, and the number of the sliding assemblies is two. The bottom of the inner surface of the breeding box body is laid by arranging the transmission gasket, the part, laid in the breeding box body, of the transmission gasket can be switched through rotation of the rotating roller in the sliding assembly, so that the wet part can be conveniently moved out in time, and the effect of conveniently ensuring the interior of the breeding box body to be dry is achieved.

The utility model relates to the technical field of poultry farming, in particular to an automatic precise feeding device for goose individuals, which comprises a hopper and a feeding trough, a discharging end of the hopper is provided with a blanking pipe, the bottom of the blanking pipe is positioned above the feeding trough, and the bottom end of the blanking pipe is provided with an electromagnetic valve; an electronic scale is arranged at the bottom end of the feeding trough and used for weighing the feed in the feeding trough. According to the device, the electronic scale is arranged at the bottom of the feeding trough, the feed adding amount can be accurately controlled, meanwhile, after gooses are fed, the remaining amount in the feeding trough is subtracted, then the food intake of the gooses can be known, a baffle is additionally arranged at the outer end of a rotating shaft of an electromagnetic valve, when the electromagnetic valve is opened, the baffle covers the upper end of the feeding trough, and therefore the feeding amount of the gooses can be accurately controlled. The feeding direction of the geese is shielded, feeding of the geese in the feed adding process is avoided, and the feed adding amount can be accurately known.

This invention discloses a method for reducing carbon and nitrogen emissions and nutrient loss during liquid manure storage. By storing liquid poultry and livestock manure containing plant tannin extracts under natural atmospheric and static conditions, this invention reduces carbon and nitrogen emissions and nutrient loss during storage, increases the fertilizer value of the liquid manure, and improves its physicochemical properties and stability. The plant tannin extracts are natural plant extracts, environmentally friendly and non-toxic, with low cost and simple operation, making them suitable for large-scale application. This invention provides a highly efficient and environmentally friendly liquid manure storage technology for the livestock and poultry farming industry, and offers a sustainable liquid manure management solution.