97 results about "Pig farming" patented technology

The invention provides an intelligent live pig health assessment method and system based on multi-modal behavior perception, and relates to the technical field of live pig breeding, and the method comprises the steps: obtaining a basic data set; performing multi-modal behavior feature fusion processing according to the basic data set, and extracting joint behavior features; performing graph structure construction according to the joint behavior characteristics to obtain a directed weighted group behavior graph; performing group behavior dynamic evolution according to the directed weighted group behavior graph to generate dynamic embedding representation; performing group health reasoning according to the dynamic embedding representation to output a reasoning result, wherein the reasoning result comprises an individual health risk probability and a group propagation influence factor; and performing group health decision according to the reasoning result, and generating a joint evaluation result. According to the method, the accuracy and operability of health assessment of live pig groups are improved through space-time collaborative fusion of depth video and audio data, graph topology construction constrained by a breeding functional area, dynamic gating evolution of contact exposure double-path propagation and a decision mapping mechanism driven by virtual blocking.

The invention belongs to the technical field of feed additives, and particularly relates to slow-release fat powder for pigs and a preparation method of the slow-release fat powder. The slow-release fat powder for pigs comprises an intragastric adhesion-slow release layer, a small intestine forepart bile acid response controlled release layer and a small intestine posterior microbe response controlled release layer. The prepared slow-release fat powder for the pigs is good in stability, accurate release of different nutritional ingredients in different parts of gastrointestinal tracts of the pigs can be achieved, and powerful support is provided for sustainable development of the pig raising industry.

The invention discloses a porcine rotavirus VP7 protein conservative dominant B cell antigen epitope peptide or a combination thereof or a nucleic acid molecule and application thereof, and further discloses a porcine rotavirus VP7 protein multi-epitope fusion protein and a preparation method and application thereof. The multi-epitope fusion protein disclosed by the invention not only can induce high-level specific antibody response and cellular immune response aiming at the VP7 protein and effectively inhibit porcine rotavirus infection, but also has relatively high safety and stability. Compared with the traditional fusion protein, the multi-epitope fusion protein disclosed by the invention has remarkable advantages in the aspects of production cost, immune efficacy and the like, and a feasible porcine rotavirus prevention and control scheme is provided for the pig industry.

The invention belongs to the technical field of intelligent breeding and robots, and particularly relates to a pig house robot health monitoring and early warning system for a pig raising platform. The system aims to solve the problem of early warning lag caused by discontinuity of existing monitoring data. The system comprises a static sentinel node subsystem which is used for continuously collecting data at high frequency, generating an abnormal score and sending a triage request; the mobile diagnosis and service unit subsystem is used for performing autonomous diagnosis after receiving the request, acquiring individual accurate data and generating a report; and the central control and prediction subsystem is used for fusing data, constructing a space-time atlas model, predicting epidemic disease transmission and generating prospective early warning. By means of the system, 7 * 24-hour uninterrupted monitoring of swinery is achieved, data faults are solved, common screening-fine diagnosis cooperation is formed, a space-time diagram neural network is used for providing prospective early warning, and an epidemic disease prevention and control gateway is remarkably advanced.

This utility model relates to the technical field of heating equipment for livestock farming, and discloses an infrared radiation plate for pig nursery pigs, including a shell and a first heating element. The first heating element is located inside the shell and is attached to the inner front wall of the shell. Compared with heating tubes, the first heating element provided by this utility model can provide a uniform heating effect for the infrared emitting plate, and the radiant heating area is large. Therefore, it is not necessary to use multiple heating tubes to heat the living environment of the nursery pigs, which can avoid the problem of increased pig farming costs due to increased purchase costs of heating plates. Moreover, the infrared emitting plate provided by this utility model has a simple structure, and users can directly plug it in after delivery, eliminating complicated installation procedures. In the humid and regularly disinfected environment of the pig farm, the service life of the infrared emitting plate is longer than that of heating tubes, which can greatly reduce the equipment investment of pig farming enterprises.

The utility model relates to the technical field of pig breeding, and discloses a batching device for pig breeding, the top of a batching box is transversely provided with two chutes, the top of the batching box is fixedly connected with a mounting rack, the bottom of a hopper is fixedly communicated with a discharge port, four corners of the bottom of the hopper are fixedly connected with supporting legs, and the mounting rack is provided with a stirring mechanism. The stirring mechanism not only can drive multiple groups of rotating stirring rods to stir feed in the batching box, but also can play a role in assisting in turning the internal feed through relative and opposite movement of two groups of baffles, and can greatly improve the stirring effect of the feed by being matched with the multiple groups of stirring rods, so that the feed is mixed more uniformly; and the dredging rod can stir the feed in the discharging port after rotating, the two sets of guide rods can drive the feed in the hopper to turn over in the repeated moving process, discharging of the feed in the discharging port is facilitated, and the problems that the discharging port is blocked and the like are solved.

The utility model relates to the technical field of live pig breeding, in particular to a special automatic heat preservation batch feeder for live pig breeding, which comprises a bottom plate, a fixed box fixedly connected to the top of the bottom plate, a pressure sensor fixedly connected in the fixed box, a rectangular plate fixedly connected to the top of the pressure sensor, and a supporting plate fixedly connected to the top of the rectangular plate. The surface of the supporting plate is fixedly connected with a feeding cylinder and a control plate, the bottom of the feeding cylinder is fixedly connected with a discharging pipe, and the discharging pipe communicates with the feeding cylinder; a pressure sensor can be used for weighing, when feed is added to a proper weight, an electric valve is closed under the control action of a control panel, the feed can be accurately added, meanwhile, the temperature in a feeding cylinder is monitored through a temperature sensor, and when the temperature is low, an electric heating plate works to heat the feed, so that the feed can be accurately added. And meanwhile, the stirring rod rotates under the power action of the driving motor, so that the heating comprehensiveness of the feed can be improved, and the feeding device is more practical in use.

The utility model relates to the technical field of air monitoring devices and discloses an air monitoring device for healthy breeding of live pigs, which comprises a sliding rail and a sliding block slidably connected with the bottom of the sliding rail, a gas sensor is fixedly mounted at the bottom of the sliding block, and one end of the sliding rail is fixedly connected with a mounting block. A sliding cavity is formed in the top of the mounting block, a wedge-shaped block is slidably connected into the sliding cavity, the top of the wedge-shaped block extends out of the mounting block, the bottom of the wedge-shaped block is fixedly connected with a first spring, and the lower end of the first spring is fixedly connected with the bottom of the inner wall of the sliding cavity; according to the air monitoring device for healthy breeding of the live pigs, when a worker assembles the sliding rails, a mounting block at one end of one sliding rail is inserted into a mounting groove in one end of the other sliding rail, and a wedge-shaped block on the mounting block is clamped with a through groove in the mounting groove, so that the two sliding rails can be assembled, and the stability is higher after the sliding rails are assembled; and the sliding rail can be assembled more conveniently.

This utility model discloses a drinking water device for pig farming, relating to the field of pig farming technology. Specifically, it is a drinking water device for pig farming, including a drinker with a water storage device installed on the outside. The drinker has a first slot inside, and a drinker frame is installed in the first slot. A second slot is opened through the outer frame of the drinker, and a displacement device that can move up and down according to the water volume is installed at the bottom of the second slot. A spring plate assembly can drive a switch trigger assembly to move up and down according to the water volume. When moving, it can trigger a motor switch to start or stop the motor from injecting water. This allows water to be automatically injected when the pigs' drinking water is insufficient and automatically shut off when the water volume is sufficient, eliminating the need for manual water injection. The medication is placed in the storage tank of the injection device. While water is being injected, the injection device rotates, allowing for intermittent injection of medication without accumulation, which helps the medication dissolve.

This invention relates to a pre-treatment device and method for pig feed, belonging to the technical field of pig farming equipment. It includes a mixing device, a drive motor mounted at the bottom of the mixing device's outer shell, a mixing shaft at the output end of the drive motor, a discharge port on one side of the bottom of the mixing device's outer shell, a liquid inlet pipe fitted onto the surface of the mixing device's outer shell, a servo reduction motor mounted on one side of the top of the mixing device's outer shell, a gear mounted at the output end of the servo reduction motor, and a toothed ring fitted onto the outer surface of the mixing shaft; a stirring rod assembly is mounted on the surface of the mixing device. This invention integrates a stirring rod assembly, a surrounding liquid inlet pipe, a spiral deep kneading plate, a bottom baffle with micropores, and wall scraping strips into a pre-treatment device for pig feed, achieving zoned mixing, precise liquid inlet control, deep kneading and blending, and simultaneous wall scraping to prevent clogging, solving the problems of uneven mixing, clumping, and wall adhesion in traditional methods, and improving pre-treatment efficiency and quality.

The invention provides an application of metabolites in sow vaginal secretion in early pregnancy diagnosis, and finds that three metabolic molecules can be used as markers for the early pregnancy diagnosis of sows for the first time on the basis of non-targeted metabonomics and machine learning conjoint analysis. According to the present invention, the metabolic markers are respectively INDOLEPROPIONIC ACID (indolepropionic acid), cis-Amonitate (cis-Amonitate) and 4-p-Coumaroylquinic acid (4-p-coumaroylquinic acid), the ROC curve AUC values of the metabolic markers are respectively 0.88, 0.92 and 0.77, and the metabolic markers have excellent diagnosis performance during the combination diagnosis. The pregnancy diagnosis is carried out by adopting the vaginal secretions of the sows 18 days after hybridization, the effective pregnancy diagnosis time is advanced by 5-8 days on the basis of a wave diagnosis method, and the method has important significance for reducing cost and increasing ultrasonic efficiency in live pig feeding.

The utility model relates to the technical field of breeding lighting, in particular to a pig breeding lighting lamp with self-adaptive brightness adjustment, which comprises a mounting seat, a mounting shell is slidably connected to the center of the bottom surface of the mounting seat through an arranged connecting column, a group of adjusting holes are formed in the connecting column, and an inserting rod is fixedly welded to the center of the top surface of the mounting shell. A mounting plate is mounted on the bottom face of the mounting shell, a plurality of LED lamp beads are mounted on the bottom face of the mounting plate, a PCB main board is mounted on the top face of the mounting plate, a light-transmitting lampshade is mounted on the bottom face of the mounting shell, a light sensor is mounted on the outer side of the lampshade, and an electrified insect-avoiding net cover is clamped to the bottom face of the mounting shell and the outer side of the lampshade. According to the live pig breeding illuminating lamp capable of adaptively adjusting the brightness, the brightness of the LED lamp beads can be adaptively adjusted through the light sensor and the PCB mainboard, the distance between the lamp and the ground can be adjusted through the connecting column, the adjusting hole, the inserting column and the positioning block, and meanwhile mosquitoes attracted by lamplight can be effectively killed through the electrified insect-avoiding net cover.

A bagged feed supporting frame for pig breeding comprises a bottom ring, an outward-extending base is welded to the bottom ring, universal wheels are arranged on the outward-extending base, at least two vertical plates are welded to the bottom ring, inner plates are welded to the inner walls of the vertical plates, the inner plates are sleeved with lifting sleeves, a pair of outward-extending arms are welded to the lifting sleeves, transverse holes are formed in the outward-extending arms, and clamping rods are movably arranged in the transverse holes. The upper end of the lifting sleeve is provided with an upper ring through a screw, the upper ring is provided with a capped pin, the capped pin is sleeved with an upper sleeve plate, the inner side end of the upper sleeve plate is provided with an inserting rod, and the lower end of the inserting rod is a sharp end. By means of the lifting sleeve moving upwards, when the open end of the bagged feed is fixed to the upper ring, the bagged feed can be moved upwards, so that the lower end of the bagged feed is separated from the ground, and the bagged feed can be transferred conveniently; due to the feed in the bagged feed, the packaging bag is tightened, so that the feed is convenient to dig and take.

A fence for pig breeding is installed between two adjacent base columns and comprises a pair of parallel transverse pipes located between the two base columns, and a plurality of vertical pipes are arranged on the transverse pipes in a penetrating mode. A vertical rod is arranged in the vertical pipe in a penetrating mode, threads are arranged at the two ends of the vertical rod respectively, concave pieces are arranged at the upper end and the lower end of the vertical rod respectively in a sleeved mode, the two ends of each concave piece are arranged on the circumferential side of the vertical pipe in a penetrating mode, the two ends of the vertical rod are connected with abutting nuts through the threads respectively, and the inner side ends of the abutting nuts abut against the outer side ends of the concave pieces. The blocking pipe is continuously arranged on the transverse pipe, an upper plate is welded to the upper end of the blocking pipe, and the lower wall of the upper plate is tightly attached to the transverse pipe. According to the utility model, the installation operation is convenient, the density of the vertical pipe can be conveniently adjusted as required during installation, and the firmness of the whole structure is improved.

This application discloses a cleaning box for pig farming, relating to the field of pig farming technology. It includes a base plate, a cleaning box fixedly connected to the surface of the base plate, a top frame fixedly connected to the top of the cleaning box, and movable grooves on both sides of the inner wall of the top frame. Rollers are slidably connected to the inner walls of the movable grooves, and a movable plate is fixedly connected to one side of each roller. A water supply pipe is fixedly connected to the surface of the movable plate, and a spray pipe is fixedly connected to the lower end of the water supply pipe. This application utilizes a servo motor to drive an intermittent meshing mechanism between a semi-bevel gear and a driven bevel gear, causing the gear rod to rotate forward and backward. This causes the movable plate carrying the spray pipe to slide back and forth within the cleaning box, achieving dynamic coverage of the spray range. This avoids the cleaning dead zones of traditional fixed spraying, effectively reducing the frequency of repeated cleaning and improving cleaning efficiency. The reciprocating motion of multiple spray pipes in conjunction with the water supply pipe creates a three-dimensional rinsing effect, ensuring that all parts of the pig's body surface are thoroughly rinsed.

This invention discloses a multimodal image fusion method and system for monitoring pig health, belonging to the field of pig farming and animal quarantine technology. It achieves real-time detection through synchronous acquisition and spatiotemporal alignment of multimodal images, preprocessing and optimization, attention mechanism feature fusion, and spatiotemporal Transformer health status recognition, combined with an edge-center collaborative architecture. A self-optimizing closed loop is constructed through manual review and incremental training. The system is equipped with a multi-module collaborative architecture, with each module implementing image acquisition, preprocessing, feature fusion, status recognition, real-time detection, and model optimization functions. This invention integrates multimodal image information and jointly models spatiotemporal features, significantly improving detection accuracy and efficiency. It features early warning, anti-interference, and self-learning evolution, making it suitable for automated pig entry quarantine lines in large-scale farms and slaughterhouses, providing technical support for intelligent livestock disease prevention and control.

The utility model discloses a live pig breeding drinking device capable of preventing trampling, which belongs to the technical field of live pig breeding, and comprises a base, the top of the base is fixedly connected with a drinking trough, and the two sides and the front side of the top of the base are provided with protective assemblies matched with the drinking trough for use. The water dispenser comprises a base, the rear side of the top of the base is provided with an automatic water adding assembly used in cooperation with a water trough, a protection assembly comprises four supporting columns, and the supporting columns are fixedly connected to the front sides and the rear sides of the two sides of the top of the base correspondingly. The problems that when drinking water, live pigs often tread a drinking trough, the drinking trough is damaged, the service life of the drinking water equipment is affected, meanwhile, the live pigs can be injured due to treading, the breeding cost is increased, and existing drinking water equipment is generally high in structural assistance, use and maintenance cost are solved.

This invention discloses a method for predicting sow farrowing using vulvar physiological temporal representation and prototype correction, belonging to the field of intelligent pig farming. The implementation steps are as follows: Collect vulvar image data of the sow standing from 7 days before the expected farrowing date to the day of farrowing and preprocess the data; train the segmentation model YOLOv8 to obtain a vulvar segmentation mask; design a feature extraction network to extract vulvar physiological representations; construct vulvar physiological temporal representation variables using these representations; input the representation variables into a classification network, and predict farrowing based on the classification results. This invention utilizes computer vision technology to segment and extract features from the sow vulva in a low-cost, contactless manner for farrowing prediction. This facilitates timely and accurate monitoring of the sow's farrowing status by farmers, reduces reliance on manual observation, meets the requirements of animal welfare and precision livestock farming, and lays the foundation for research on farrowing prediction based on the physiological representation of the sow vulva.

This invention is an intelligent monitoring system specifically designed for large-scale pig farm transactions. The system analyzes the video stream from the image acquisition device in real time through a data processing unit, using AI models to analyze the images during weighing to obtain the number of pigs and the estimated weight of each pig. Simultaneously, the system can count the total number of pigs entering and leaving the weighbridge in real time, effectively preventing duplicate weighing. A remote monitoring device connects to the weighbridge to obtain the weighing weight of N pigs. Finally, the collected multi-dimensional data is uploaded to the data storage unit, and users can view relevant information through the system's interactive interface. This system effectively improves the accuracy and efficiency of weighing, reduces manual intervention and human error, and provides real-time data analysis support to optimize the transaction process. Furthermore, the system's automation functions help improve pig farm management efficiency, providing efficient and reliable intelligent support for pig farming enterprises during transactions.

This utility model discloses a quantitative structure for a feeding device, relating to the technical field of quantitative structures for feeding devices. It includes a feeding hopper, a support frame, a feeding tray, a feeding box, a pusher plate, a quantitative trough, a discharge pipe, a control handle, and a positioning shell. The surface of the feeding hopper is fixedly connected to the surface of the support frame, the bottom of the support frame is fixedly connected to the surface of the feeding tray, the top of the feeding box is fixedly connected to the bottom of the feeding hopper, the top of the discharge pipe is fixedly connected to the bottom of the feeding box, and the pusher plate is movably connected to the inner cavity of the feeding box. This utility model, by setting a positioning device and a moving plate device, solves the problem that the quantitative function of pig feeding devices is a key design element for ensuring efficiency and effectiveness in modern pig farming. Its core function is to achieve scientific feeding by precisely controlling the amount of feed delivered. If the feeding device cannot quantitatively dispense feed, it can easily lead to serious feed waste, soaring farming costs, and uneven growth in the pig herd.

The utility model relates to the technical field of pig breeding, and discloses a pig breeding cooling device which is characterized in that a guide frame is fixedly connected to the other side of a pig house, a spraying mechanism is installed above the pig house and comprises an adjusting frame, a servo motor and a gear, the servo motor is fixedly connected to the adjusting frame, the driving end of the servo motor penetrates through the adjusting frame and is fixedly connected with the gear, and the driving end of the servo motor is fixedly connected with the gear. One end of the adjusting frame is movably connected with a mounting block, the mounting block is movably connected with an electric push rod, and the bottom of the water pipe fixedly communicates with multiple sets of nozzles. The spraying mechanism can drive the multiple sets of nozzles to move front and back, spraying cooling can be conducted on the hog house through front-back movement of the multiple sets of nozzles, compared with traditional manual handheld spray gun cooling, the cooling efficiency is remarkably improved, the angles of the multiple sets of nozzles are adjustable, the multiple sets of nozzles can swing left and right while moving front and back, and the cooling efficiency is improved. Different areas in the hog house can be conveniently subjected to spraying cooling treatment, and the spraying range is widened.

The invention relates to a rural comprehensive energy optimization scheduling method based on biomass energy, which aims at improving the requirements of rural economy and low carbon, constructs a cold-heat-electricity-gas-biomass comprehensive energy system based on a pig breeding whole industrial chain, introduces a stepped carbon charging and carbon sequestration and carbon capture system, and puts forward an energy management strategy. The system takes the whole industry chain of breeding as a core, the gradient utilization potential of biomass is fully developed, the reliability of the system is improved by applying renewable energy sources such as biological natural gas, and the carbon emission is reduced while the cost is reduced and the efficiency is improved.

This invention provides a method for preparing fermented pig feed based on bamboo powder and mycelium residue, belonging to the field of livestock and poultry feed preparation technology. Using bamboo powder and mycelium residue, a byproduct of edible fungi cultivation with bamboo powder as the core substrate, as raw material, the invention achieves efficient degradation of lignocellulose and bioconversion of nutrients in the bamboo powder and mycelium residue through core steps such as enzymatic pre-cell wall disruption pretreatment, segmented solid-state fermentation with compound functional microbial agents, and precise nutrient compounding. The resulting fermented pig feed is low in crude fiber, high in crude protein, palatable, and rich in bioactive substances. It can replace 10%-30% of traditional corn-soybean meal diets, significantly reducing feed costs for pig farming, improving pig growth performance and pork quality, and simultaneously constructing a closed-loop circular economy model of bamboo-fungi-livestock, possessing significant economic, ecological, and social benefits.

The utility model relates to the technical field of pig breeding, in particular to a modernized breeding hog house which comprises a hog house body, a house door is arranged on the hog house body, a plurality of fixing frames are arranged in the hog house body, the interior of each fixing frame is divided into a plurality of compartments through a plurality of partition pieces, the partition pieces are detachably connected with the fixing frames, and the partition pieces are detachably connected with the fixing frames. A movable fence assembly is arranged on the front side of the fixed frame and detachably connected with the fixed frame. According to the pig house for modernized breeding, the sizes of the compartments can be rapidly adjusted according to actual requirements through the detachable separators and the movable fence assemblies, the limiting vertical rods, the connecting rods and the house doors of the movable fence assemblies are fixed through the inserting grooves, the connecting columns and the bolts, the stability of the fences is guaranteed, rapid disassembly and assembly are supported, the compartment adjusting process is simplified, and the cost is reduced. The manual operation intensity is reduced.

The utility model relates to the technical field of pig breeding, and provides a precise feeding device for a hog house, which comprises a material mixing assembly, the material mixing assembly comprises a material mixing box, a stirring rod, a cover body, a feeding hopper, a water pipe, a first driving motor and a discharging pipe, the stirring rod is rotatably connected in the material mixing box, and the cover body is fixed at the top end of the material mixing box. According to the piglet feeding device, the feed pushing structure is arranged, under the pushing effect of the electric push rod, feed can be pushed into the feeding trough through the reserved trough, in the pushing process, the accumulated feed can be poured forwards or towards the two sides, the feed can be conveniently and evenly distributed, the feed can be conveniently and evenly pushed into the feeding trough, and piglets can conveniently eat the feed; and under the shielding effect of a limiting plate, the feed can be prevented from falling into the rear part of a material pushing plate, so that the device has the function of conveniently pushing the feed so as to uniformly distribute the feed, and the convenience and the working efficiency of the accurate feeding device for the hog house during use are improved.

This invention relates to the field of pig farming technology and discloses an intelligent temperature-controlled clean drinking water device for pigs. The device includes a housing and a water storage chamber, a cleaning chamber, and a receiving tank formed on the housing. An mounting block is provided on the outer side of the housing, and a connecting component for connecting the mounting block is provided in the receiving tank. A water pump is fixed to the top of the housing. The input end of the water pump is connected to an inlet pipe extending into the water storage chamber, and the output end of the water pump is connected to an outlet pipe. The end of the outlet pipe away from the water pump extends to the outside of the housing. Multiple connectors fixed to the bottom side of the mounting block are installed on the outlet pipe outside the housing. A drinking water pipe is installed at the output end of each connector. Multiple heating tubes are fixed to the inner wall of the bottom of the water storage chamber, and a temperature sensor is fixed to the inner wall of the water storage chamber. This invention can quickly provide drinking water for pigs, allows for simple and convenient temperature control of the drinking water, and provides flexible control of the drinking components of the device. It offers high water feeding efficiency and is easy to use.

This utility model relates to the field of pigsty cleaning technology, specifically a pigsty flushing device based on rainwater collection. It includes a collection trough installed at the top of the outer wall of the pigsty for collecting rainwater; a flushing section is also installed on the inner wall of the pigsty. The collection trough collects rainwater from the pigsty roof, which then enters a filter box. Multiple filter layers filter the rainwater, and a water pump pumps the filtered water into a pipe body, from which it is sprayed through multiple nozzles to flush the pigsty floor. This design, by collecting rainwater and utilizing it for flushing the pigsty floor, not only saves water but also reduces the cost of pig farming. A worm gear drives a worm wheel to rotate, which in turn rotates the pipe body, allowing adjustment of the tilt angle of the multiple nozzles. Adjusting the nozzle angle facilitates the control of the water spray angle, thus enabling comprehensive flushing of the pigsty floor.

The utility model discloses a feed throwing device for live pig breeding, which relates to the field of live pig breeding equipment, and adopts the technical scheme that the feed throwing device comprises a trolley with wheels, a hopper is arranged on the trolley, a feed opening is formed in one end part, far away from a handle of the trolley, of the hopper, and a feed baffle is rotationally arranged on the hopper and is U-shaped; the two ends of the opening end of the discharging baffle are rotationally connected with the hopper. Two control plates are rotationally arranged on the hopper, the control plates are located above the discharging opening, the control plates are triangular, one corner of each control plate is rotationally connected with the hopper, the other corner of each control plate is in spherical hinge connection with a connecting rod, and each connecting rod is in spherical hinge connection with the middle of the discharging baffle; a discharging guide plate is further fixedly arranged on the trolley. The feeding device has the advantages that the structure is simple, an operator can control opening and closing of the discharging baffle only by simply rotating the operating rod, the feeding accuracy and uniformity can be improved, and waste and live pigs are prevented from snatching food.

The invention relates to the technical field of breeding, and discloses liquid feeding equipment for pig breeding, the liquid feeding equipment comprises a barrel wall and a sealing cover detachably mounted on the barrel wall, a fixed base is integrally arranged at the bottom of the barrel wall, and feeding ports for feeding are symmetrically formed in the two sides of the sealing cover; a discharging opening for discharging is formed in the bottom of the fixed base; the rotating shaft is rotationally installed in the sealing cover, a driving motor for driving the rotating shaft to rotate is fixed to the outer wall of the sealing cover, and a supporting arm is fixed to the outer wall of the rotating shaft; and the butt joint rod is installed in the supporting arm, and a butt joint piece for mixing materials is fixed to the end of the butt joint rod. The driving motor rotates to drive the rotating shaft, the supporting arms, the butt-joint rods and the butt-joint pieces to rotate, materials in the material barrel are mixed through circular motion of the butt-joint pieces, and the situation that due to uneven particle size distribution of the materials, the consistency difference of the materials discharged front and back is large is avoided.