230 results about "Dorking chicken" patented technology

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 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 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 invention discloses a UVB control method and system for laying hen breeding, and the method comprises the steps: arranging a multi-band UVB intelligent light supplement lamp and an illumination intensity sensor in a henhouse, building an intelligent illumination regulation and control module based on a laying hen growth model, and building communication. The system obtains laying hen growth parameters and real-time illumination data, and determines and controls parameters of a light supplement lamp. According to the method, the UVB illumination time, intensity and wavelength can be accurately regulated and controlled according to factors such as different growth stages of laying hens, seasonal changes and breeding environments, and the UVB illumination time, intensity and wavelength can be accurately regulated and controlled according to different growth stages of laying hens, seasonal changes, breeding environments and the like; the method is an innovative method which can be cooperatively controlled with other breeding environment factors, so that the egg laying performance, egg quality and overall health level of laying hens are improved.

The invention discloses a grain-saving disease-resistant high-yield black feather laying hen commercial line male parent breeding method and a commercial line seed production method, which comprises the following specific steps: step S1: by taking a homozygous dwarf gene (dw) type dark purple fast-feathering chicken as a basic material, hybridizing with a princess chicken to obtain a first generation (F1) hybridized synthetic line chick; s2, the bred and selected first-generation sibs are subjected to inbreeding, and second-generation (F2) chicks are generated; s3, selecting cocks with excellent quality traits of the second generation and backcrossing the cocks with the hens of the first generation to generate a third generation (F3); s4, screening out cocks conforming to target traits from the third generation (F3), namely the grain-saving disease-resistant high-yield black feather laying hen commercial line male parents; then selecting a Rhode Island Red parent generation hen (slow feathering) as a female parent to form a grain-saving disease-resistant high-yield black feather laying hen commercial line; and the bred commercial generation chicks can sex automatically.

The application discloses application of glycyrrhetinic acid as a feed additive to improve the egg laying rate of laying hens. In the laying hen diet of the application, only glycyrrhetinic acid is added, and no chemical synthetic drugs and hormone substances are added, so that the safety of chicken and egg products is guaranteed from the source. The application fully considers the feed cost in application and feed preparation problems, selects glycyrrhetinic acid with low cost, fully plays the medicinal value of traditional Chinese medicinal materials, and the glycyrrhetinic acid is a natural plant extract, has no toxic side effects on laying hens, meanwhile, the preparation and purification method of the glycyrrhetinic acid is simple, the market price is low, and the glycyrrhetinic acid has the advantages of large-scale application.

The utility model discloses an egg sorting device for egg -breeding, relates to egg sorting technical field, including base, the lateral surface fixed mounting of base has the material conveying mechanism, the upper surface fixed mounting of base has rotary unit and guide tube, the fixed mounting of rotary unit has the material grabbing unit, and the protection unit is installed in guide tube, and the fixed mounting of material grabbing unit and guide tube has detection unit. Advantageous effects lie in that the size of egg is detected through the second photoelectric sensing mechanism, the weight of egg is detected through the suspension weighing mechanism, the specification of egg is determined quickly, the top plate and the elastic pad are driven by the force arm and the buffer detection assembly to clamp the egg quickly, the sorting of egg is completed, the egg is buffered and protected through the elastic pad and the buffer detection assembly, thereby effectively improving the efficiency of egg sorting, reducing the collision damage of egg in the sorting process, and guaranteeing the quality after the sorting of egg.

The utility model discloses a feeding trough for laying hen breeding, which comprises a feeding trough body, a placing plate is rotatably connected in the feeding trough body, and a front hole is arranged on the front side wall of the feeding trough body. By arranging the feeding trough body, the placing plate, the front hole, the rear hole, an air spraying pipe, an air spraying head, a front cover, a water guide pipe, a water spraying head, an inflation pump, a self-priming pump, a sliding groove, a sliding block, a rack, a gear shaft, an electric rod, a protective cover and a collecting box, feed is put above the placing plate, and when the placing plate needs to be cleaned, the electric rod can be started to enable the placing plate to incline backwards, so that the feeding trough is convenient to clean. Meanwhile, an inflation pump and an air spraying head are started to clean the feed falling from the bottom of the feeding trough into the collecting box, recycling is facilitated, feed waste is reduced, then the containing plate inclines forwards, a self-sucking pump and a water spraying head are started to spray water to the upper surface of the containing plate, and therefore the containing plate is cleaned; the placement plate is clean, and the cleaning efficiency is improved.

The present application relates to the technical field of livestock and poultry hatching breeding, and particularly relates to a plateau low-pressure environment hen egg hatching process, which sequentially comprises egg pre-treatment, pre-hatching regulation, mid-hatching regulation, post-hatching regulation and hatching regulation; the egg pre-treatment is to pre-warm, atomize and disinfect with livestock special non-toxic disinfectant and naturally dry after screening qualified eggs; the pre-hatching is 1d to 7d, the mid-hatching is 8d to 14d, the post-hatching is 15d to 18d, and the hatching is 19d to 21d. The present application aims at the hatching pain point of the plateau low-pressure environment, constructs a whole-process gradient collaborative hen egg hatching system, implements multi-parameter collaborative regulation from the egg pre-treatment to the whole hatching process, effectively solves the technical problems of the plateau hatching, and has significant technical advantages and application value.

The present application relates to the field of laying hen breeding, and discloses a method and system for monitoring laying hen performance and breeding environment, the method comprising the following steps: obtaining the laying cycle information of each cage position, dividing the cage positions into different laying cycle groups; recording the laying performance data of each cage position; monitoring the cumulative effect of heat stress; constructing an individual dynamic baseline based on the laying performance history data of each cage position to obtain suspected abnormal cage positions; determining the abnormal cage positions and their types caused by environmental factors; generating a preventive control label according to the spread risk; and performing local control. Through dynamic grouping based on the laying cycle, differential monitoring is performed, the environmental threshold is set according to the age, the cumulative effect of heat stress is monitored, and finally the SIR model based on the time-varying transmission coefficient is used to predict the abnormal spread risk and generate differential control instructions, realizing early identification and advanced intervention of local abnormalities.

The application relates to the field of ventilation technology, in particular to an indoor circulating ventilation device for egg chicken breeding, which comprises a shell, a mounting shell fixedly connected to the outer wall of the shell, a mounting frame fixedly arranged in the shell, a filter plate slidingly arranged in the mounting frame, a cleaning assembly slidingly arranged in the mounting frame and used for cleaning the filter plate, a cleaning assembly arranged on the top of the shell, a control assembly arranged between the cleaning assembly and the cleaning assembly, a storage box arranged at the bottom of the shell, a recovery assembly arranged between the storage box and the cleaning assembly, an air extraction assembly arranged in the mounting shell, a fixing assembly arranged at the front end of the air extraction assembly in the mounting shell, and the filter plate is arranged on the top of the storage box through a mounting assembly. The filter plate can be cleaned under the cooperation of the cleaning liquid and the brush, the used cleaning liquid can be filtered and recycled for reuse, and resources are saved.

The application discloses a water treatment device for egg chicken breeding and particularly relates to the technical field of egg chicken breeding, and comprises a bottom box, the upper end of the bottom box is fixedly connected with an enclosure box, the front part of the left inner surface wall and the front part of the right inner surface wall of the enclosure box are fixedly and jointly installed with a drainage assembly, and the middle part of the left inner surface wall and the middle part of the right inner surface wall of the enclosure box are fixedly and jointly installed with a filtering assembly. The water treatment device for egg chicken breeding has the drainage assembly, so that the water in the enclosure box can be supplemented in time when the water in the water storage tank falls, the water level in the drainage assembly can be observed to determine the water level reduction degree in the enclosure box, when the water level in the drainage assembly reaches the lowest, the control adjusting assembly can be controlled to simultaneously control the opening of the blocking assembly, then the water is filtered through the filtering assembly when the input end of the water pump is used to pump water, the subsequent use is facilitated, and the waste of resources is reduced.

The application discloses a kind of light illumination methods for laying hens in later egg production stage.The method comprises: in the breeding process of laying hens in later egg production stage, using light source to emit blue light illumination or blue light and white light illumination to irradiate laying hens, so that the illumination can improve eggshell quality.The method of the application can up-regulate the expression of CaBP-D28k gene in eggshell gland of laying hens in later production stage, improve the ability of eggshell calcium deposition, regulate the secretion of parathyroid hormone PTH, calcitonin CT and other hormones, maintain the balance of blood calcium and blood phosphorus, and effectively improve the strength, thickness and weight of eggshell, so as to improve the eggshell quality of eggs produced by laying hens.The application can improve the calcium and phosphorus absorption capacity of laying hens, maintain the balance of calcium and phosphorus metabolism, and has low energy consumption, green energy-saving and environment-friendly advantages.

The utility model relates to the technical field of laying hen breeding, in particular to an inhabiting frame for laying hen breeding, which comprises two cross rods which are distributed in parallel and fixed with each other, four supporting rods are respectively and rotatably arranged below the corresponding cross rods in pairs, and first screws are arranged between the supporting rods and the cross rods in a threaded mode. Each inhabiting assembly comprises a threaded cylinder and a threaded rod which are in threaded installation, the cross rod and the supporting rod are rotationally installed and are limited and fixed in a first screw tightening mode, and therefore the height of the cross rod and the inclination angle of the supporting rod can be conveniently adjusted, and laying hens short in period can conveniently and smoothly stand on the inhabiting device; limiting and fixing are carried out after the positions of the threaded cylinders and the threaded rods are conveniently adjusted, namely, the distance between every two adjacent inhabiting assemblies is conveniently adjusted, laying hens with the long growth period cannot be mutually squeezed due to the too small distance, the laying hens can comfortably inhabit, and the laying hen inhabiting device has the advantages of being high in adjusting capacity and good in using effect.

The invention discloses a high-nutrition chicken fermented feed formula containing dendrobium officinale tender leaves parasitized on taxus chinensis and taxus chinensis tender leaves, and belongs to the technical field of livestock and poultry feed. According to the formula, physiological requirements of chickens in different growth stages are taken as a core, dendrobium officinale tender leaves and taxus chinensis tender leaves parasitizing on taxus chinensis are taken as key functional auxiliary materials, basal feed, other functional auxiliary materials and fermentation strengthening elements are matched, and the feed is prepared through a specific fermentation process. Through fermentation, the absorption rate of nutritional ingredients in the auxiliary materials is increased, effective accumulation of natural flavor substances is achieved, meanwhile, the alkaloid content of taxus chinensis is strictly controlled to be smaller than or equal to 0.01%, and use safety is guaranteed. The feed meets the nutritional requirements of chickens and the taste and quality of chicken and egg products, and is suitable for the breeding requirements of different growth stages of broilers and different egg laying stages of laying hens.

This invention belongs to the field of molecular breeding technology and provides a method based on... YIPF1 Molecular breeding methods and applications for inhibiting egg production decline in laying hens using the eQTL gene. This invention combines molecular markers with... YIPF1 Gene expression levels have a regulatory role; the combined molecular markers are located at Chr8:24801464 and Chr8:24802450 loci in the chicken genome, respectively. This invention breaks through the traditional single-trait research paradigm, integrating multidimensional omics and phenotypic data to identify genes from a systems biology perspective. YIPF1 The gene and its regulatory site combination, Chr8:24801464 and Chr8:24802450, serve as key targets in the process of tissue functional decline in laying hens. This gene possesses cross-tissue, dynamically correlated early warning characteristics, providing a reliable tool for early assessment and precise breeding of anti-aging traits in laying hens, and has significant application value for achieving the goal of an ultra-long laying cycle.

The laminated breeding cage comprises a breeding cage frame, cage bins are evenly distributed in the breeding cage frame, the vertically adjacent cage bins are communicated, first iron wire nets are evenly distributed in bin openings in the front, the rear, the left and the right of each layer of cage bin respectively, and second iron wire nets are arranged at the bottom ends of the interiors of the cage bins respectively. Excrement baffles are arranged at the bottom ends of the interiors of the cage bins, and the excrement baffles are located at the lower ends of the second iron wire nets in the same cage bin. The excrement cleaning mechanism comprises a sliding block, a sliding block, a supporting rod, a push plate, a sponge roller and a rotating shaft, sliding grooves are formed in the front side wall of the cage bin, the sliding blocks are slidably connected into the sliding grooves, and sliding grooves are formed in the rear side wall of the cage bin. Excrement generated by laying hens is automatically cleaned, participation of breeders is reduced, and harmful gas generated due to the fact that the excrement is not cleaned for a long time is avoided.

To provide a method that allows for delaying the start of egg-laying in laying hens and achieving good egg-laying results after the delay. [Solution] A method for delaying the start of egg-laying in laying hens, comprising maintaining the weight of adult hens after 120 days of age at 120% or less of the standard weight of the adult hens at 120 days of age for a predetermined period, and adjusting the lighting time and illuminance.

The application provides a genetic marker associated with chicken intestinal length in a KCNIP4 gene and an application thereof, and belongs to the fields of animal genetics and breeding and biotechnology.The genetic marker comprises IL_tag1 or IL_tag2; the Ensembl number of the IL_tag1 is rs316532738, corresponds to the sequence of a positive strand of a chromosome No.4 of a chicken reference genome bGalGal1.mat.broiler.GRCg7b published by NCBI, is located in the 1st intron of a gene KCNIP4, and the base at the position is T or C; the Ensembl number of the IL_tag2 is rs316953671.The genetic marker is helpful to genetically improve the intestinal length of a laying hen, is applied to the genetic breeding of a chicken, and is favorable to improving intestinal traits and obtaining a laying hen variety with better nutrient absorption.

The utility model discloses a laying hen fixing abdominal cavity sampling device, which relates to the technical field of fixing devices and comprises a fixing body. The fixing body is provided with a placing groove for laying hens to lie on the back; a placing plane which can be flatly placed on a table top is arranged below the fixed body; fixing limiters are arranged at one ends, corresponding to head and neck parts of laying hens, of the placing grooves; shielding rods are arranged at one ends, corresponding to two legs of the laying hens, of the placing grooves; when a laying hen is placed in the placing groove in a supine mode, the shielding rods are used for shielding the upper portions of the two legs of the laying hen. The operating space for dissecting the laying hens is increased, physical exhaustion of dissecting sampling is reduced, safety is high, operation is simple and easy, and the laying hen holding abdominal cavity sampling efficiency is improved.

The invention discloses a method for improving egg shell quality in the later egg laying period of laying hens by adding intestinal probiotics into feed, and belongs to the technical field of healthy poultry breeding. According to the method, specifically enriched lactobacillus salivarius is screened based on correlation analysis of intestinal flora and eggshell quality. The strain is added into basic ration of laying hens in the later egg laying period according to a certain proportion (preferably 150 mg / kg feed) in the form of bacterial powder with the viable count not lower than 1 * 10 < 9 > CFU / g, and the laying hens are continuously fed for at least 8 weeks. According to the method, the laying rate and the average daily egg weight of the laying hens in the later laying period can be remarkably increased, the eggshell thickness and strength are effectively improved, and the egg breaking rate is reduced. The strain screening method provided by the invention is scientific, clear in application effect, safe and free of residues, and an effective green solution is provided for solving the problem that the eggshell quality is reduced in the later egg laying period of laying hens.

The invention discloses a stacked caged laying hen breeding management method and system, a terminal and a medium, and relates to the technical field of breeding management. According to the main technical scheme, individual physiological status information of all laying hens in a breeding area is obtained, and when the individual physiological status information does not meet a preset health status threshold value, a physical mark is attached to the body surface of a target laying hen to be processed; and processing information is generated according to the identification information of the physical marks and the breeding position information of the breeding area where the target laying hens to be processed are located. The method is expected to achieve the purposes of finding the abnormal health state of the laying hens in an early stage, further conveniently and quickly isolating the abnormal health laying hens, greatly reducing the risk of cross infection, improving the biological safety level of a henhouse and reducing the outbreak probability of group epidemic situations. And meanwhile, the aims of enabling the laying hens with abnormal health to be visualized and recognizable in a dense group, so that a worker can quickly lock specific abnormal individuals in the dense group during subsequent processing, thereby shortening the positioning time of the worker and improving the response speed are fulfilled.

The application discloses a specific SNP site primer combination for identifying Taihe black-bone chicken varieties and application thereof. A chicken pan-genome containing a chicken reference genome GRCg7b and 2.49 Gb pan-sequence is taken as reference, WGS data of Taihe black-bone chicken and related chicken varieties is analyzed and screened to obtain two specific SNP sites, namely novel_th1 (G / T, dominant allele G) and novel_th2 (C / T, dominant allele C), wherein the T allele is medium to high frequency in most non-Taihe black-bone chicken varieties / strains. A FAM / VIC double-labeled TaqMan probe and a matching primer are designed based on the two sites to construct a real-time fluorescent quantitative PCR detection kit for joint typing of the two sites, and an amplification system and a Ct value judgment standard are established, so that 96 varieties / strains such as Taihe black-bone chicken, Zhushi chicken, other black-bone chicken, local chicken, white-feathered broiler and egg chicken can be quickly and accurately identified. The method has the advantages of high specificity, high sensitivity, simple operation and low cost, and is suitable for identification of authenticity of Taihe black-bone chicken and products thereof, purity monitoring and molecular-assisted breeding.

Stereoscopic laying hen welfare breeding equipment with a manure cleaning function at the bottom comprises a cage net cage frame, a front-back driving and manure cleaning system, a feeding system, an egg collecting system and a side wall chicken outlet door system which are arranged in a chicken coop, the cage net cage frame is located in the middle of the whole chicken coop and comprises a cage frame, cage nets, a water line, a lamp line and an inhabiting frame, and multiple layers of cage nets are fixed in the cage frame; the feeding system comprises a chain type stockline, a material box, a power head and a corner wheel, and the chain type stockline is fixed to the first layer, the third layer and the fourth layer of the cage frame; the egg collecting system is located on the second layer of the cage frame and comprises a vertical egg collecting machine, a plant area egg collecting system, a head-tail frame, an egg laying box, an egg belt, a support and a chicken driving system. The side wall chicken outlet door system comprises a chicken outlet door and a lifting system driving the chicken outlet door to be opened and closed. The chicken outlet door is arranged on the side wall of the henhouse and can be opened and closed in a timing mode, the sand bath area and the outdoor activity area are arranged on the outer side of the henhouse, chickens can conveniently release the nature, the use space is enlarged through the multi-layer design, the number of raised chickens is increased, cost is reduced, and the henhouse is suitable for application and popularization.

The application belongs to the technical field of feeding devices, in particular to a breeding chicken house double-bin mixed feeding device and a feeding method, which comprises a chicken house, a mixing assembly and a feeding assembly; the mixing assembly comprises a mounting plate; the mounting plate is fixedly connected with a mixing cylinder on the surface; a pair of feed bins are fixedly connected to the top of the mixing cylinder; the feeding assembly comprises a distribution box; the mixing cylinder and the distribution box are communicated through a discharge channel; a feed trough is fixedly connected to the inner side of the chicken house; a feed conveying channel is connected between the distribution box and the feed trough. Two kinds of feed are respectively stored in the two feed bins, the feed can enter the mixing cylinder through the connecting groove, and then the two kinds of feed are stirred by the stirrer, and then the feed enters the distribution box through the discharge channel and is guided into the feed trough through the feed conveying channel for the laying hens to eat, the application is convenient to operate, can mix different feeds, realizes automatic feeding, and is beneficial to improving the breeding efficiency of laying hens.

The utility model discloses an egg transfer device for laying hen breeding, and relates to the technical field of laying hen breeding. The placement unit is arranged on the upper surface of the movable base, the limiting unit is arranged on the outer surface of the placement unit and used for protection, and the placement unit comprises a bearing assembly arranged on the upper surface of the movable base and an expansion assembly arranged on the outer surface of the bearing assembly. The space between the bearing plates can be conveniently adjusted through mutual cooperation of the supporting frames, the bearing plates, the fixing bolts, the expansion plates and the fixing plates, so that a user can conveniently adjust the stacking height of egg containers, and the functionality of the transfer device is improved; the egg container can be conveniently limited through cooperation of the containing plate, the limiting sleeve, the limiting plate, the lifting plate, a fixing bolt, a limiting sliding rod, a moving block, a clamping column and a limiting spring, and therefore the phenomenon that the container falls off in the egg transferring process is prevented.

This invention provides the application of Erythrina bark in the preparation of drugs for the prevention and / or treatment of infectious coryza in chickens. The active ingredient of this drug can be composed solely of Erythrina bark, making the formulation easy and convenient to implement. It can be used as a substitute for antibiotics during the egg-laying period of chickens, with no drug residue requirements, reducing the economic loss of discarded eggs after the use of antibiotics in laying hens. It has a high cure rate for infectious coryza, is safe and has no toxic side effects, and is easy to use.

The invention relates to the technical field of poultry health assessment, in particular to a method for predicting and identifying the high fat deposition risk of the liver of a laying hen based on blood amino acid parameters. The method comprises the following steps: collecting a blood sample when the laying hen is in a metabolic state after absorption, detecting the total amino acid content and the alanine content in blood, and substituting blood parameters into a pre-established liver triglyceride prediction model to obtain the predicted liver triglyceride content, and comparing the prediction results to judge the high fat deposition risk of the liver of the laying hen. According to the method, the laying hens do not need to be slaughtered and sampled, the fat deposition state of the livers of the living laying hens can be rapidly evaluated, and the method is suitable for early screening and risk early warning of high fat deposition of the livers of the laying hens under the large-scale breeding condition.