625 results about "Dorking chicken" patented technology

The invention discloses an individual laying rate recognition system for high-density breeding of laying hens based on AI in the technical field of laying hen breeding, and the system comprises a collection module which is used for collecting the number data of each hencoop in a farm, the egg production in each hencoop, and the appearance characteristics of each chicken in each hencoop; the analysis module is used for receiving an egg yield threshold value, set by a user, of a single coop, and marking the coop with the egg yield lower than the egg yield threshold value as a coop to be detected; the low-yield chicken recognition module is used for receiving set influence factors influencing the egg yield of the chickens, extracting real-time appearance characteristics of each chicken in the to-be-detected chicken coop, extracting the influence factors influencing the egg yield of the chickens from the appearance characteristics of each chicken in the to-be-detected chicken coop, and sending the extracted influence factors to the low-yield chicken recognition module; and outputting a low-yield chicken recognition result based on the number and degree of the extracted influence factors influencing the egg yield of the chickens. According to the invention, the low-yield chicken flocks are accurately identified through the acquisition module, the analysis module and the low-yield chicken identification module, so that traditional manual identification of the low-yield chicken flocks is replaced.

The utility model discloses a movable laying hen disease monitoring device which comprises a plurality of sets of box bodies which are arranged on one side of a three-dimensional coop and arranged in the longitudinal direction, infrared probes and auxiliary idler wheels are arranged on the outer walls of the sides, adjacent to the three-dimensional coop, of the box bodies, the infrared probes face the side of the three-dimensional coop, and the auxiliary idler wheels are arranged on the side of the three-dimensional coop. The auxiliary rollers are arranged on the upper edge of the trough in a rolling mode, a support is arranged on the top of the three-dimensional coop, I-shaped steel is arranged at the tail end of the support, a driving assembly is arranged on the top of the box body on the uppermost portion, and the driving assembly is in transmission connection with the I-shaped steel. The box body is driven by the driving assembly to move back and forth along the side face of the stereoscopic coop, the body temperature of laying hens is monitored through the infrared probe, and when the body temperature rises when the laying hens are attacked, the infrared probe can sense the rising body temperature and send corresponding signals to the remote control end to remind management personnel to pay attention to the states of the laying hens in time. According to the utility model, the inspection efficiency is effectively improved, and the working intensity of managers is reduced.

The invention belongs to the technical field of feeding devices, and particularly relates to a double-bin mixed feeding device and method for a breeding henhouse, and the double-bin mixed feeding device comprises a henhouse, a mixing assembly and a feeding assembly; the mixing assembly comprises a mounting plate; the surface of the mounting plate is fixedly connected with a mixing cylinder; the top of the mixing cylinder is fixedly connected with a pair of feed bins; the feeding assembly comprises a material distribution box; the mixing cylinder is communicated with the material distributing box through a material discharging channel; a feed trough is fixedly connected to the inner side of the chicken house; a feed conveying channel is connected between the feed distribution box and the feed trough. Two kinds of feed are stored in the two feed bins respectively, the feed can enter the mixing barrel through the connecting groove, then the two kinds of feed are stirred through the stirrer, and then the feed enters the distributing box through the discharging channel and is guided into the feed groove through the conveying channel to be eaten by laying hens. Different feeds can be mixed, automatic feeding is achieved, and the breeding efficiency of laying hens can be improved.

The utility model relates to the technical field of laying hen breeding, in particular to a laying hen breeding ventilation system with a feedback signal, which comprises a frame body, first air deflectors are rotatably mounted on the upper and lower parts of the frame body, a rotating shaft is fixed at one end of each first air deflector, the rotating shaft movably penetrates through the frame body and is fixedly connected with a gear, and the outer wall of the gear is meshed with a spur rack. Air blown by the fan is guided into the frame body, meanwhile, the lead screw motor is started to drive the lead screw sliding block to move, accordingly, the spur rack can be driven to move, the gear is driven to rotate, the first air guide plate is driven to adjust the angle, the adjusted angle can be accurately controlled through the angle sensor, and therefore accurate air guide is achieved; the wind can be accurately blown to the positions of the laying hens, so that accurate ventilation and air exchange are realized.

The present invention provides a method for tenderizing eliminated laying hens with alternating dual-frequency ultrasound, comprising the following steps: pre-treating the breast meat of eliminated laying hens, and then using a tenderizer to perform coordinated ultrasound treatment, to obtain the result; the tenderizer includes calcium chloride and protease; the ultrasound is alternating dual-frequency ultrasound (22 / 40kHz). The ultrasonic device of the present invention adopts a concentric circle arrangement mode of ultrasonic vibrators, which can provide an external uninterrupted alternating dual-frequency ultrasonic physical field for the entire tenderizing process of eliminated laying hens, and maximize the penetration of calcium chloride and protease solution into the deep layer of muscle tissue. The former calcium chloride can increase the ion strength in the muscle, improve the ion distribution, and enhance the water retention of muscle fibers; the latter protease hydrolyzes and refines the muscle fibers, disintegrates the macromolecular protein of the muscle fibers, and reduces the shear force, thereby improving the tenderness of the eliminated laying hens.

The invention belongs to the technical field of laying hen breeding illumination, and particularly relates to a laying hen breeding illumination hierarchical control system and method based on image recognition. The laying hen breeding illumination hierarchical control method based on image recognition comprises the following steps that S10, cameras are arranged in a plurality of breeding areas, breeding types and breeding stages are stored in the breeding areas in an associated mode, color features are stored in the breeding types in an associated mode, and size features and behavior features are stored in the breeding stages in an associated mode; the camera is used for collecting image information of laying hens in a breeding area; s20, identifying and extracting the contour feature of the laying hen in the image information as a first feature, and identifying and extracting the contour feature of the coop in the image information as a second feature; a dimensional ratio between the first feature and the second feature is obtained. According to the scheme, through the image recognition technology and automatic control, the problem that a breeder needs to repeat a large amount of inspection and parameter setting work in the actual breeding process is solved, and the working efficiency and the breeding management level are remarkably improved.

The invention relates to the technical field of livestock and poultry intelligent breeding, and discloses a laying hen body type and weight evaluation method and system based on image recognition, and the method comprises the steps: obtaining laying hen behavior video data and environment parameter data; processing the video data, identifying the behavior mode of the laying hens, analyzing the relevance between the environmental parameter data and behaviors, and establishing state representation; constructing a strategy network, realizing stress state detection and optimal evaluation opportunity automatic selection, and extracting body shape features in a stable attitude; constructing a body weight evaluation model by using the body shape characteristics at the selected time and combining the identified behavior state information; learning feature distribution of a normal evaluation process of the body weight evaluation model, and detecting an abnormal evaluation result through double indexes of reconstruction error and probability deviation; through fusion of behavior analysis, environment perception and quality control, high-precision and high-reliability evaluation of the body type and weight of the laying hen is realized.

The invention discloses a laying hen intelligent feeding condition management method and system, and relates to the technical field of breeding management. The method comprises the following steps: extracting an initial parameter value of a feeding condition of each item of a corresponding week age of each laying hen group of the current batch in a range of execution parameter values of a feeding condition of each item of each week age of each laying hen group of a previous batch in a fence; continuously acquiring the average egg yield of each laying hen group in each week age during the breeding period of the laying hens in the same batch; adjusting the initial parameter value of the feeding condition of each item of each laying hen group of the current week age according to the difference value between the average egg production of the current batch of laying hens and the average egg production of the last batch of laying hens at the previous multiple week ages, and obtaining the execution parameter value of the feeding condition of each item of each laying hen group of the current week age. The feed effectively improves the egg yield of laying hens.

The invention provides an application of a genetic marker associated with a chest width character in an RNASEH2B gene in chicken genetic breeding, and belongs to the technical field of chicken genetic breeding and biology.The genetic marker associated with the chest width character in the RNASEH2B gene comprises CBmark er1, the CBmark er1 corresponds to the 169817100th site of the physical position of a first chromosome of chicken reference genome bGa < 1 >. Mat.broi ler.GRCg7b version sequence information published in NCBI, and the CBmark er1 corresponds to the 169817100th site of the physical position of a second chromosome of the chicken reference genome bGa < 1 >. Mat.broi ler.GRCg7b version sequence information. The nucleotide sequence belongs to the ninth intron sequence of the gene RNASEH2B, and the basic group in the ninth intron sequence is G or A; the CBmarker1 contributes to heredity improvement of the chest breadth, and when the CBmarker1 is applied to genetic breeding of chickens, improvement of the chest breadth is facilitated, and a high-quality laying hen variety is obtained.

The invention discloses a laying hen health state intelligent evaluation system and method based on multi-mode perception, and relates to the technical field of intelligent breeding and animal health monitoring. The system comprises a multi-modal data integration and acquisition module, a dynamic multi-modal adaptive fusion module, a health-egg laying bidirectional collaborative prediction module, a closed-loop iterative optimization module and a health-egg laying linkage suggestion output module. According to the method, a comprehensive and accurate data basis is constructed, and the data collaboration value is mined through multi-dimensional acquisition, differential preprocessing and dynamic fusion; according to the method, state evaluation is accurate and stable, health-egg laying two-way collaborative prediction is adopted to excavate space-time correlation, closed-loop optimization is adopted to ensure that a result fits reality, linkage suggestions are output, a health regulation and egg laying optimization scheme is defined, scientific decision basis is provided for farmers, and fine management is assisted.

The invention relates to the technical field of laying hen breeding, in particular to an egg collecting device and method for a breeding henhouse, and the egg collecting device comprises an egg collecting groove and a vertical conveyor which are mounted on an intensive super high-rise breeding henhouse; the vertical conveyor is connected with the egg collecting groove in a communicating mode, the vertical conveyor is a plate chain type conveyor provided with a bent claw, and the vertical conveyor is used for conveying eggs in a lifting mode in the vertical direction; by arranging the circulating belt slidably mounted on the obliquely arranged supporting frame, when eggs fall onto the circulating belt under the action of gravity, the gravity of the eggs and impact force caused by falling of the eggs act together, the circulating belt is forced to be stressed in a single direction, and then the circulating belt slidably mounted on the supporting frame rotates; and along with the rotation of the circulating belt, the eggs are conveyed towards the vertical conveyor.

The free-range laying hen egg laying box comprises an egg box body, a top plate is arranged at the top of the egg box body, side plates are arranged on the two sides of the egg box body, a back plate is arranged on the back face of the egg box body, an opening is formed in the front face of the egg box body, the bottom of the egg box body is of a net-shaped excrement leakage structure and extends out of an egg collecting groove, and the lower end of the egg collecting groove is connected with the upper end of an inclined plate; a plurality of nest curtains are uniformly arranged at the upper end of the opening, and an egg covering plate capable of being opened and closed up and down is arranged at the lower end. By additionally arranging the red, yellow and green shading nest curtains on the wide egg laying box, light in the egg laying box is weakened, hens can distinguish and fix egg laying positions through different combinations of the three colors, the habit that the hens are adjacent to each other and gather to lay eggs is met, the situation that the hens are mutually extruded and injured in the narrow egg box is improved, and the egg laying efficiency is improved. Therefore, the utilization rate of the egg laying box is improved to the maximum extent, the egg laying box cannot be idle, meanwhile, the safety and comfort of the egg laying environment of hens are improved, and laid eggs are automatically rolled into the egg collecting groove through the bottom net of the egg laying box to be collected.

The invention discloses a molecular marker combination related to a cockscomb height character and a detection reagent and application thereof, and belongs to the technical field of molecular genetics. According to the molecular marker combination and the detection reagent thereof, ten SNP loci remarkably associated with the chicken first-laying crown height and the 130-day-old crown height are identified in the intron of the CTCF gene for the first time, based on the SNP loci, the molecular marker combination related to the cockscomb height character and the detection reagent thereof are designed, and the molecular marker combination and the detection reagent thereof can be used for early screening of laying hens with high cockscomb height and can be used for early screening of laying hens with high cockscomb height. The method is of great significance to breeding and breeding of precocious high-quality laying hens.

The utility model discloses an egg sorting device for laying hen breeding, and relates to the technical field of chicken sorting devices, the egg sorting device comprises a sorting table, sorting channels are uniformly separated on the surface of the sorting table, the sorting channels are obliquely arranged, and a first conveying belt is arranged at the high end of each sorting channel; the sorting device comprises a sorting channel, blocking plates are inserted into the sorting channel, the spacing of the blocking plates is the same, conveying assemblies are installed at the bottoms of the inner walls of the blocking plates, blocking holes are formed in the surfaces of the blocking plates, and the diameters of the blocking holes are gradually reduced from high to low. Eggs move to the sorting channel through the first conveying belt, then move in the sorting channel through the conveying assembly, pass through the blocking holes one by one, are screened according to the diameters of the blocking holes, exit from the blocking holes through the pushing assembly and move to the second conveying belt through the supporting plate and the sliding way, and therefore the screening direction is parallel to the egg moving direction, and the eggs are screened one by one. The screening effect is improved.

The utility model relates to the technical field of agricultural robots, in particular to a suction-type caged laying hen dead individual removing tail end executing device. The suction-type caged laying hen dead individual removing tail end executing device comprises a pose adjusting mechanism, a clamping and conveying mechanism and a guiding-out mechanism. The posture adjusting mechanism is used for covering and adjusting the posture state of the dead chicken in the cage to the state of the chicken head relative to the posture adjusting mechanism; the clamping and conveying mechanism is used for clamping the head of the dead chicken and is gradually opened in the process of driving the dead chicken to be conveyed outwards, so that the body of the dead chicken smoothly passes through and is conveyed; the guiding-out mechanism is used for guiding out the dead chicken heads moving to the tail end of the clamping and conveying mechanism downwards. The posture adjusting mechanism and the clamping and conveying mechanism are jointly arranged in a shell in a wrapped mode, the front end of the shell is open, and the rear end of the shell is communicated with the guiding-out structure. Compared with a mechanical arm grabbing device, the suction type caged laying hen dead individual removing tail end executing device simplifies the grabbing process, improves the grabbing efficiency, can effectively reduce chicken flock stress, and is convenient to export.

The invention discloses an automatic manure cleaning all-in-one machine for whole-course antibiotic-free breeding of laying hens, which belongs to the technical field of laying hen breeding equipment and comprises a rack, conveying rollers rotationally mounted at two ends of the rack, a conveying belt positioned between the conveying rollers and a driving motor for providing power for the conveying rollers. The two sets of scraping plates are arranged at the end of the conveying belt in parallel up and down, the scraping plates can horizontally slide, and the scraping plates are used in cooperation with the exchange mechanism on the rack, so that after the phenomenon that chicken feathers are clamped between one set of scraping plates and the conveying belt, the scraping plates can be controlled to slide in the direction away from the conveying belt; when the moving distance of the scraping plate reaches the critical condition of the exchange mechanism, the baffle with the chicken feathers stuck can be quickly far away from the conveying belt at the moment to shake off the chicken feathers, and the other scraping plate can replace excrement cleaning, so that large-load operation of the driving motor caused by chicken feathers stuck in the using process of the device is avoided, and the working efficiency of the device is improved. And the conveying belt cannot be greatly abraded, so that the service life of the equipment is prolonged.

The utility model relates to the technical field of egg collection, in particular to an automatic collecting device for laying hen eggs, which comprises a collecting belt, one side of the collecting belt is in sliding connection with a protective plate, the other side of the collecting belt is in sliding connection with a plurality of hencoop bodies, the inner bottom surfaces of the hencoop bodies are inclined, and the inner bottom surfaces of the hencoop bodies are inclined. The adjacent coop bodies are fixedly connected, a buffer pad is installed on the side, close to the collecting belt, of each protection plate, the two ends of the collecting belt are each in a symmetrical structure and in sliding connection with two supporting blocks, the supporting block on one side is fixedly connected with the coop bodies, and the supporting block on the other side is fixedly connected with the protection plates. According to the egg conveying device, eggs of different heights can be automatically collected conveniently, the collecting efficiency of the eggs is improved, the eggs of different heights can be conveyed conveniently, the conveying efficiency is improved, the occurrence of mutual collision of the eggs in the conveying process is reduced, the breakage rate of the eggs is reduced, and the integrity of the eggs is protected.

The invention discloses a chicken sex identification method based on fluorescence labeling, and belongs to the technical field of gene engineering. The chicken sex identification method comprises the following steps: co-transfecting a CRISPR / Cas9 system and a WPG-EGFP donor plasmid into chicken primordial germ cells PGCs, screening to obtain EGFP positive PGCs, micro-injecting the EGFP positive PGCs into a receptor chicken embryo, hatching to obtain an EGFP reproductive chimera chicken, and identifying the sex through fluorescence labeling, the CRISPR / Cas9 system comprises sgRNA of a targeted chicken W chromosome WPG gene; the WPG-EGFP donor plasmid is constructed by inserting an EGFP gene into a WPG gene locus through a homologous recombination strategy. According to the method, the sex of the chicken can be visually and rapidly identified. The method solves the problems that a traditional sex identification method is complex in operation and depends on sample ages, has the advantages of high efficiency and accuracy, and is suitable for sex control and screening of poultry such as laying hens and broilers.

The invention discloses an accurate weight measuring and cage tracing method and system for eggs laid in a stacked cage-rearing laying hen house. Comprising the steps that firstly, an egg conveying belt is marked, and a data acquisition module is installed; acquiring a conveyor belt-egg video by using a data acquisition module; then, according to the conveyor belt-egg video, instance segmentation and real-time tracking of the eggs and the marking strips are carried out, and in the segmentation and real-time tracking process of the eggs, multi-category accurate counting and weight measurement of the eggs are carried out; and finally, cage tracing is carried out on each egg in combination with segmentation and tracking results of the marking strips and dynamic and static detection results of the conveyor belt. According to the invention, multi-category accurate counting, weight measuring and cage tracing of eggs can be realized; the egg laying performance data based on the cage level can be used for analyzing the health condition of the laying hens, a breeder is assisted in checking the cage with abnormal egg laying, and weak chickens, sick chickens and dead chickens are found and processed in time, so that the breeding intelligence level and the production management level of the laying hen house are effectively improved, and the economic benefits of the laying hen house are improved.

The invention discloses a laying hen breeding environment monitoring system based on the Internet of Things. The laying hen breeding environment monitoring system comprises a data acquisition module, a preprocessing module, a database module, a data processing module and a data output module. The preprocessing module is used for dividing the chicken house into a plurality of monitoring areas; the data processing module is used for matching and setting the breeding environment parameters of the chicken house, judging the abnormity of the environment parameters in the monitoring area and performing real-time control; according to the method, the temperature and humidity distribution state in the henhouse is analyzed according to historical data, the henhouse is divided into regions, and each region is monitored in real time; when the environmental parameters in the monitoring area in the henhouse are abnormal, the regulation and control requirements of the henhouse are deduced according to the position distribution of the abnormal area, and then targeted regulation and control are performed, so that the energy consumption in the henhouse operation process is reduced, the effective utilization degree of energy is improved, the laying hen breeding benefits are improved, and the sustainable development of the breeding industry is promoted.

The invention relates to the technical field of breeding, in particular to a breeding management system based on increasing the DHA content in eggs, and the system comprises a data collection module which is used for periodically collecting a plurality of related parameters of target laying hens and the actual value of the DHA content in the eggs produced by the target laying hens; a database; the model construction module is used for constructing a DHA related model corresponding to each related parameter and fitting a growth curve and a DHA content change curve of the laying hens; the prediction and comparison module is used for predicting the DHA content value of the eggs produced by the target laying hen in each collection period and determining the abnormal value of the DHA content; the model evaluation module is used for evaluating the relationship between each breeding parameter and the DHA content abnormal value and constructing a DHA abnormity related model; and the parameter adjustment module is used for determining a parameter adjustment mode of each related parameter of the target laying hen. According to the method, the scientificity of breeding management for increasing the DHA content in the eggs can be improved.

The invention relates to the technical field of feed, and discloses a feed additive for laying hen breeding and a preparation method thereof.The feed additive for laying hen breeding is obtained by drying vitamins, nicotinamide, an antioxidant butylated hydroxytoluene, calcium pantothenate, modified chitosan and liquorice, putting the materials into a stirrer, conducting smashing and then conducting mixing. The feed additive obtained by compounding the raw materials can promote the growth of laying hens and promote the organ development of the laying hens; the oxidation resistance and the immunocompetence of the laying hens are improved; amino acid and chitosan groups contained in the modified chitosan also play a better role in helping the growth of the laying hens. The feed additive can shorten the laying day age of laying hens, improve the laying rate, improve the quality of eggs, reduce the yield of inferior eggs, improve the body quality of the laying hens and the like, is a non-toxic, drug-resistant and residue-free laying hen feed additive, and can be widely applied to laying hen feeding feeds.

The invention provides a laying hen industry AI large model training method and system, and relates to the technical field of large model training. The method comprises the following steps: acquiring feeding parameter data, and performing data clustering based on an egg laying cycle to form an egg laying feeding cycle data set; according to the different egg laying feeding cycle data sets, correlation analysis aiming at the feeding parameter change influence quantity is carried out, and feeding parameter egg laying influence correlation characteristic data is formed; real-time feeding parameter information is obtained, feeding result analysis is carried out according to the feeding parameter egg laying influence correlation characteristic data, and real-time feeding result prediction data is formed. According to the method, reasonable estimation of productivity is realized through analysis of factor data influencing egg laying of the laying hens, so that effective assessment of productivity risks can be realized, and feeding adjustment can be guided in time.

The invention belongs to the technical field of feed additives, and particularly relates to a feed additive for improving the production performance, egg quality and body health of laying hens and application of the feed additive. The feed additive is composed of mulberry leaf powder and bacillus licheniformis. The invention also provides a feed which is composed of a basic feed and the feed additive, each 1kg of the feed contains 1 * 10 < 10 > CFU of bacillus licheniformis, and the mass of the mulberry leaf powder is 9%-15% of the mass of the feed. Animal experiments prove that the feed additive disclosed by the invention has no obvious negative influence on the production performance and the body health of laying hens, and can also obviously improve the egg quality. The invention provides a feasible scheme for reduction and substitution of soybean meal and corn in livestock and poultry feed, and has important practical significance for relieving structural shortage of protein feed raw materials.

The invention relates to the field of agricultural operation management information processing, in particular to a laying hen feed nutrition intelligent proportioning method and system. The method comprises the following steps: acquiring weight, laying rate and environmental data of laying hens, and performing time alignment and cleaning, feature extraction and model reasoning to generate a nutritional demand prediction result; performing demand mapping, constraint verification and raw material binding on the basis of demands and a feed raw material nutrition library to generate a formula optimization problem; carrying out cost loading, optimization solution and executable check in combination with raw material prices to generate formula issuing data; and performing parameter updating and threshold adjustment through protocol adaptation, task arrangement and execution feedback to generate revised parameters. The system has the beneficial effects of improving the feed proportioning precision, optimizing the nutrition supply, reducing the cost and realizing automatic closed-loop management.

The utility model belongs to the technical field of laying hen breeding, particularly relates to a trough for laying hen breeding, and aims to solve the problems that in the background technology, the protective property is poor, and redundant feed is not cleaned in time, the trough for laying hen breeding comprises a feed frame, railings distributed at equal intervals are welded to the outer wall of the top of the feed frame, and top inclined plates are welded to the outer walls of the tops of the railings. A plurality of handrails are arranged on the feed frame, the top inclined plate can prevent sundries from falling into the feeding trough and can also prevent laying hens from falling excrement into the feeding trough, it is guaranteed that feed in the feeding trough is clean, the protection effect is good, the second trough plate and the first trough plate can be separated through extension of the piston rod of the electric push rod, and the feeding trough is convenient to use. The bottom of the feeding trough formed by the second trough plate and the first trough plate forms a blanking space, redundant feed can directly fall into the collecting frame below, the freshness of the feed during laying hen feeding is guaranteed, damage to intestinal tracts of laying hens is effectively avoided, and the death rate of the laying hens is reduced.

The utility model discloses a degerming device for laying hen breeding, which relates to the technical field of degerming devices and comprises a movable cart, a mixing tank is fixedly connected to the right side of the top of the movable cart, a mixing mechanism is fixedly connected to the right side of the outer surface of the mixing tank, and a support frame is fixedly connected to the left side of the top of the movable cart. An atomizing spray gun is fixedly mounted at the top end of the supporting frame, a liquid conveying pipe is fixedly connected to the right end of the atomizing spray gun, and the end, away from the atomizing spray gun, of the liquid conveying pipe is fixedly connected with the lower portion of the left side of the outer surface of the mixing tank. When a disinfectant and water are mixed, the rotating shaft can be driven to rotate through the spline shaft, so that the disinfectant and the water can be stirred through the stirring blades, and meanwhile, the lifting plate and the rotating shaft can be driven to slide through the rotating column, so that the stirring blades can be driven to rise and fall repeatedly; and the mixing and stirring effect of the disinfectant and water can be better, so that the laying hen breeding house can be better disinfected and sterilized.

A laying hen feed additive prepared from non-medicinal parts of abelmoschus manihot is prepared from roots and stems of abelmoschus manihot according to the mass ratio of (1-5): (2-6), and the abelmoschus manihot is added into a feed according to the proportion of 1-5%. The feed additive is prepared by mixing roots and stems of abelmoschus manihot according to a specific proportion, and then the feed additive is added into the basal feed according to a specific proportion, so that the egg laying performance of laying hens is effectively improved, the egg yield of 180 laying hens is increased by 690 after the laying hens are fed for 70 days, the total egg weight is increased by 57.26 kg, the egg quality of the laying hens is remarkably improved, and the economic benefit of the laying hens is improved. Compared with a CK group, the content of linoleic acid, gamma-linolenic acid and alpha-linolenic acid in unsaturated fatty acid in eggs is increased by 9.03%, 39.66% and 50.72% respectively, cholesterol is reduced by 29.91%, only roots and stems of abelmoschus manihot are used as additive raw materials, other raw materials do not need to be mixed to prepare the additive, and excellent effects can be achieved on egg laying performance and egg quality of laying hens.