120 results about "Sheep breed" patented technology

The invention discloses a sheep behavior state real-time monitoring system and method based on machine vision, and the system comprises an image collection module which collects sheep image data in all directions through a plurality of high-definition cameras; the image preprocessing module grays, filters and sharpens the data to improve the data quality; the feature extraction module extracts features such as a sheep contour, a posture and a motion trail; the behavior classification module uses a machine learning algorithm to classify sheep behaviors; the data storage module stores data of each link; the early warning module monitors sheep behaviors according to preset standards and gives an alarm when abnormal conditions occur. According to the system and method, sheep behaviors can be accurately monitored in real time, data support is provided for healthy sheep breeding, the breeding management efficiency is effectively improved, and intelligent and refined development of the sheep breeding industry is assisted.

The invention discloses a mutton sheep breeding method based on machine learning assistance. The method comprises the steps that information, growth and development phenotype data, reproductive performance data and feeding environment data of mutton sheep individuals are collected; the collected multi-source data is preprocessed and integrated; based on a mutton sheep breeding target, extracting characteristics related to excellent characters from the data set; building a prediction model by adopting a support vector machine, wherein the prediction model is used for predicting the performance of the mutton sheep according to the input feature set; dividing the feature set into a training set and a verification set, training the model by using the training set data, and evaluating the trained model by using the verification set; evaluating and predicting the candidate mutton sheep individuals, outputting a comprehensive breeding value, and sorting to screen out the individuals meeting the standard. According to the method, the mutton sheep individuals are accurately evaluated and screened, the breeding efficiency and accuracy are improved, and powerful support is provided for modernization and high-quality development of the mutton sheep industry.

To provide an evaluation method for purebred Hu sheep marked with SNP molecules.SOLUTION: Provided is an evaluation method for identifying purebred Hu sheep, which performs genetic variation detection within the whole genome for Hu sheep, Small-tailed Han sheep, Dorper sheep, and hybrid populations of Dorper sheep and Hu sheep by using population-level high-throughput data, and identifies genetic features exclusive to Hu sheep by bioinformatics methods. The method provides a scientific foundation for the conservation, development, and utilization of Hu sheep breed resources.SELECTED DRAWING: Figure 1

The invention relates to the field of molecular biology and genetic breeding, and provides application of an SNP (Single Nucleotide Polymorphism) marker related to a body height character. The SNP marker is located at the 136651710 bp position of the No.3 chromosome of sheep, and is Cgt; and T base mutation (rs403130818) is carried out. Experiments show that the SNP marker developed by the invention has significant influence on the sheep body height character (Plt; 0.05), and the allele T has more excellent body height character, so that the SNP molecular marker in the MCRS1 gene can be applied to molecular marker breeding of the sheep body height character. The molecular marker provided by the invention is not limited by the age, sex and the like of the sheep, can be used for breeding excellent body height sheep varieties, and even can be accurately screened when the sheep are newly born, so that the breeding process of the excellent body height sheep varieties is greatly accelerated.

The invention relates to the technical field of modern livestock breeding, in particular to an SNP molecular marker YAP1 gene g.75896359AT related to the lambing traits of goats and application of the SNP molecular marker YAP1 gene g.75896359AT. The SNP molecular marker is located at the 51bp position of a nucleotide sequence shown in SEQ ID NO.01, and the polymorphism of the SNP molecular marker is A / T. When the genotype of the polymorphic site contained in the molecular marker is AT or TT, the molecular marker corresponds to the lambing trait relative advantage of the goat to be detected. The molecular marker provided by the invention can be applied to the identification or prediction of the lambing state of the goat, can also be applied to the field of molecular breeding, and judges the genetic potential of the goat based on the analysis of the genotype of the goat; by optimizing the dominant allelotype of the SNP molecular marker, the lambing performance of the progeny of the goat can be improved, the SNP molecular marker is used for genetic improvement of breeding sheep, and the economic benefit of the mutton sheep breeding industry is effectively improved.

The invention belongs to the field of biotechnology and livestock breeding, and relates to an SNP (Single Nucleotide Polymorphism) molecular marker related to sheep meat quality traits, a primer group, a kit and application. The nucleotide sequence of the SNP molecular marker is as shown in SEQ ID NO.4, and Ggt exists at the 46th bp position of the sequence as shown in SEQ ID NO.4; a is a mutation site. By rapidly and accurately detecting the SNP marker related to the meat quality traits of the'Auodurou Lake 'sheep genetic resource population, the'Auodurou Lake' sheep variety dominant genetic resource population can be rapidly established, so that the marker-assisted selection breeding process of the sheep meat quality traits is accelerated.

The utility model relates to the technical field of breeding equipment, in particular to a sheep breeding forage grass stirring device which comprises a movable support and a stirring barrel, the lower end of the stirring barrel is communicated with a discharging pipe, the lower end of the discharging pipe is communicated with an elastic corrugated pipe, and the outer wall of the elastic corrugated pipe is fixedly connected with a supporting plate. The lower end of the supporting plate is fixedly connected with a discharging pipe communicating with the elastic corrugated pipe, the outer wall of the discharging pipe is fixedly connected with a fixing plate, a second motor is installed at the upper end of the fixing plate, a rotating disc is fixed to the output end of the second motor, and an eccentric shaft is fixedly connected to the outer wall of the rotating disc. And a discharging pipe shakes in a reciprocating manner, so that the purposes that the stirring barrel can be moved to the side of the breeding tank, forage grass can be conveniently and directly guided into the breeding tank, and use is convenient are achieved.

The present invention discloses a molecular marker combination and application for analyzing sheep breeds, relating to the field of biotechnology. The present invention provides 10,082 molecular markers capable of analyzing sheep, wherein the physical location information of the molecular markers is determined based on genome sequence alignment of the sheep reference genome Oar_rambouillet_v1.0. A molecular probe combination, a gene chip, and a kit prepared using the 10,082 SNP molecular markers can be used to perform genetic assessment on individual sheep, perform individual selection on sheep breeds that were difficult to measure in the early stages, shorten the generation interval, accelerate the breeding process, and thus save a large amount of breeding costs.

The invention discloses a molecular identity card for identifying the variety of Tianhua mutton sheep and application of the molecular identity card, the molecular identity card is a specific SNP site combination for identifying the variety of Tianhua mutton sheep, the combination is composed of 36 SNP sites, is located in a sheep reference genome AR-UIRamv2.0, has high specificity and machine learning model classifier accuracy, and can be used for identifying the variety of Tianhua mutton sheep. The method can be used for identifying Tianhua mutton sheep, some varieties similar to the Tianhua mutton sheep in appearance and other genetic resource varieties of Gansu Province sheep. According to the invention, variety-specific molecular markers are screened at a genome level through a bioinformatics technology, genetic differences between Tianhua mutton sheep and some varieties with similar appearances and other genetic resource varieties of Gansu Province sheep can be revealed, and the Tianhua mutton sheep can be identified through a machine learning classifier and genetic evolutionary tree analysis according to characteristic SNP (Single Nucleotide Polymorphism). Guarantee is provided for fighting against counterfeit and shoddy varieties and reasonably protecting and utilizing variety resources of Tianhua mutton sheep.

The invention relates to the technical field of modern livestock breeding, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker rs663564950 related to growth traits of goats and application of the SNP molecular marker rs663564950. The SNP molecular marker is located at the 51bp position of a nucleotide sequence shown in SEQ ID NO.01, and the polymorphism of the SNP molecular marker is C / T. When the genotype of the polymorphic site contained in the molecular marker is CT or TT, the genotype corresponds to the relative advantage of the growth traits of the goat to be detected. The molecular marker provided by the invention can be applied to the identification or prediction of the growth state of the goat, can also be applied to the field of molecular breeding, and judges the genetic potential of the goat based on the analysis of the genotype of the goat; by optimizing the dominant allelotype of the SNP molecular marker, the 6-month-old weight of the goat offspring can be improved, so that the SNP molecular marker is further used for genetic improvement of breeding sheep, and the economic benefit of the mutton sheep breeding industry is effectively improved.

The invention provides a UCP2 gene as a molecular marker gene related to sheep tail fat deposition and application of the UCP2 gene, the nucleotide sequence of the molecular marker is shown as SEQ ID NO.1, a C / T polymorphic site exists at the 177th site, and the tail width, the tail fat weight, the tail fat relative weight and the tail perimeter of a sheep carrying a TC genotype are obviously lower than those of a sheep carrying a CC genotype; the live weight percentage of the tail fat of the sheep carrying the TT genotype before slaughter is obviously lower than that of a CC genotype individual. The molecular marker disclosed by the invention can be used for screening thin tail type sheep varieties, screening assisted breeding and cultivating grain-saving sheep, and is beneficial to increase of economic benefits.

The present application relates to the field of livestock and poultry intelligent breeding and environmental control, in particular to a sheep house environment adaptive regulation system for Nanjiang yellow sheep breeding, comprising a data acquisition device, an environment control device, a feeding execution device and a controller; the controller receives real-time environmental data of a target environment and real-time physiological behavior data of a target breeding object, generates a physiological stress load value through a time integral algorithm, and inputs the physiological stress load value and the real-time physiological behavior data into a neural network model containing a time sequence processing structure to output an effective feeding capacity, a nutrient absorption efficiency and an expected feed conversion rate; when the effective feeding capacity is lower than a standard feeding capacity, a target intervention combination strategy composed of an environment compensation weight and a feeding adjustment weight is generated with the condition of maximum expected feed conversion rate, and then a feeding end control instruction and an environment control end control instruction are generated and closed-loop feedback adjusted to realize self-adaptive closed-loop control of the sheep house environment and the Nanjiang yellow sheep.

The utility model discloses a feeding device for sheep breeding capable of automatically mixing feed, which belongs to the technical field of sheep breeding and comprises a bottom plate, a protective component is connected above the bottom plate, a worker stands outside a breeding farm to pour feed into a feed cylinder, a valve on a discharge pipe is opened, a transverse moving component is started to drive the feed cylinder to transversely move, and the feed cylinder can be automatically mixed. According to the feeding device for sheep breeding, a worker does not need to enter a breeding farm to add feed, time and labor are saved, the risk that sheep flock is infected with diseases is reduced, a protection plate is arranged, the situation that rainwater enters the device can be reduced, the feed quality is prevented from being affected, and the situation that the health of sheep is seriously threatened after the sheep eat the feed is avoided; and by adjusting the connecting assembly, the connecting plate and the protective plate can be detached from the device, so that the connecting plate and the feed cylinder are convenient to maintain or replace, and the practicability is improved.

The application discloses a kind of screening methods and application of pivot gene related to sheep muscle fatty acid content, to solve the technical problems that local sheep breed sample quantity is limited, traditional single gene analysis method is difficult to analyze fatty acid metabolism regulation from network level.This application carries out transcriptome sequencing to multiple months of muscle tissue of Gangba sheep, constructs gene expression matrix, using weighted gene co-expression network analysis (WGCNA) Combined with module characteristic gene and fatty acid phenotype correlation screening strategy, the pivot gene significantly positively correlated with muscle fatty acid content is obtained.The screening method can construct a robust co-expression network under limited sample size, systematically identify the functional module and core gene related to the content of fatty acids such as linoleic acid, and reveal the dynamics of fatty acid metabolism at different ages, and the method can be extended to other plateau livestock;The screened pivot gene can be used as a molecular breeding marker for early selection of Gangba sheep, and the breeding cycle is shortened.

The sheep breeding disinfecting and cleaning device comprises a side plate, a top plate is connected to the position, close to the top, of the right side of the side plate through bolts, a gear box is movably connected to the right side of the side plate, and two gears meshed with each other are movably connected to the inner wall of the left side of the gear box through a rotating shaft and a bearing; the left side of the gearbox is connected with a servo motor through a bolt, the left end of a rotating shaft on the left side of the gear on the front side penetrates through an inner ring of a bearing to be connected to an output shaft of the servo motor, the right side of the gear is connected with a butt-joint rod through a bolt, and a penetrating groove matched with the butt-joint rod is formed in the right side of the gearbox. According to the technical scheme, through mutual cooperation of the shell, the electric cylinder, the U-shaped block and the cleaning brush, the sheep can be effectively and horizontally moved, so that the sheep can be effectively and uniformly cleaned and disinfected, the cleaning and disinfecting efficiency is improved, effective brushing can be performed, stains can be effectively cleaned, and the cleaning efficiency is improved. And the cleaning efficiency and the working efficiency are improved.

The utility model provides a novel sheep breeding sewage treatment device, which relates to the field of sheep breeding sewage treatment equipment and comprises a collecting frame, two reciprocating components and an inclined plate component, the two reciprocating components are fixedly connected to two side walls of the collecting frame through lug plates respectively, and the inclined plate component is connected to the inner wall of a groove formed in the side wall of the collecting frame. A reciprocating assembly is arranged, a driving piece is started, the driving piece drives a movable disc to rotate, the movable disc rotates in a through hole formed in a fixing frame, and when the movable disc rotates, a shifting rod is driven to slide along the inner wall of a groove formed in the movable disc and the inner wall of a sliding groove formed in a fixing plate; the shifting rod drives the movable plate to rotate along with the movable disc through a through hole formed in the movable plate while sliding along the movable disc and the fixed plate, the movable plate can drive connecting rods on the two sides of the movable plate to move on the inner wall of a through hole formed in a supporting block when rotating, the labor intensity of workers is reduced, consumed manpower and physical strength are reduced, and the working efficiency is improved. And the speed and the working efficiency are improved.

The invention discloses mutton sheep breeding equipment and method, and belongs to the field of livestock breeding. The mutton sheep breeding equipment comprises two sets of vertical grating plates, grating flat plates are fixedly connected to the bottoms of the vertical grating plates, a hollowed-out baffle and a closed baffle are fixedly connected to the two ends of each vertical grating plate respectively, the mutton sheep breeding equipment further comprises a feeding tank, a limiting sliding rail is fixedly connected to the top of each hollowed-out baffle, and the feeding tank is installed at the top of the limiting sliding rail; a plurality of groups of partition plates are fixed on the side wall of the hollow baffle at equal intervals; by means of the feeding tanks sliding along the limiting sliding rails, automatic quantitative feeding of all the feeding troughs is achieved, manpower consumption is reduced, it is guaranteed that the food intake of each sheep is the same, the feeding effect is improved, in cooperation with arrangement of a stirring auger, feed is continuously turned over in the automatic feeding process, all components in the feed are evenly mixed, and the feeding effect is improved. Each mutton sheep can obtain balanced nutrition supply, and the feeding effect is further improved.

The utility model discloses an incubator for mutton sheep breeding, and relates to the technical field of mutton sheep breeding, the incubator for mutton sheep breeding comprises a bearing assembly, the upper end of the bearing assembly is provided with a heightening assembly, the heightening assembly is connected with the bearing assembly in a plug-in mode, the bearing assembly comprises a base, the upper surfaces of the corners of the base are provided with supporting legs, and the supporting legs are connected with the bearing assembly in a plug-in mode. The bearing assembly comprises a plurality of supporting legs, first mounting slots are formed in the upper surfaces of the supporting legs, first baffles are inserted into the first mounting slots of the adjacent supporting legs, a plurality of first baffles are arranged, the bearing assembly further comprises connecting sleeves, and the connecting sleeves are welded to the surfaces of one sides of the top ends of the supporting legs. According to the scheme, the problems that most of existing temperature boxes for mutton sheep breeding are of an integral structure, sheep enter and exit through a single door opening, the interior of the box body is not easy to clean, the sheep are not easy to take out, and use and cleaning are inconvenient are solved.

This invention discloses an integrated fermentation pen for sheep farming. It relates to the field of livestock farming technology and includes: a sheep pen comprising pillars and a roof; the base of the pillars is fixed to the ground, and the roof is mounted on the pillars at an angle to the ground, with ventilation louvers on the roof; a slatted floor is located below the roof, and a manure storage space is located below the slatted floor; a support platform is movably positioned between the manure storage space and the slatted floor via a walking mechanism; the bottom of the support platform has a spray pipe, a feeding pipe, and a storage bin; the end of the spray pipe away from the storage bin has an atomizing nozzle, and an auger conveyor is located inside the storage bin corresponding to the feeding pipe; a manure cleaning device includes a scraper and a high-pressure pneumatic cleaning assembly, with the scraper rotatably connected to the bottom of the support platform. This integrated fermentation pen for sheep farming solves the problems of manure residue during cleaning, delayed ammonia control, and air pollution in underground spaces in existing technologies.

The utility model discloses a sheep breeding shed light adjusting skylight, and relates to the field of sheep breeding, the sheep breeding shed light adjusting skylight comprises a mounting frame, the surface of the mounting frame is provided with a top skylight, the surface of the mounting frame is fixedly provided with a limiting plate, and the surface of the mounting frame is provided with an adjusting mechanism used for adjusting light brightness; the adjusting mechanism comprises a first light shielding plate and a second light shielding plate which are arranged on one side of the surface of the mounting frame and rotationally arranged on the surface of the limiting plate, and micro refractors used for refracting light are fixedly arranged on the surfaces of the first light shielding plate and the second light shielding plate; and telescopic mechanisms for adjusting the shading degree of the first shading plate and the second shading plate are arranged on the surfaces of the first shading plate and the second shading plate. The shading degree of the first shading plate and the second shading plate can be flexibly adjusted according to different seasons and weather conditions, and the sheep can be effectively prevented from being directly irradiated by sunlight.

The utility model discloses a large -scale sheep breeding automatic feeding equipment relates to the technical field of breeding equipment. Large -scale sheep breeding automatic feeding equipment, including mounting bracket, still include: the storage box is fixedly installed on the mounting bracket, wherein the lower end of the storage box is provided with blanking groove, and the blanking groove is inserted with the obturator, drive part is arranged on the storage box, and is used for driving the obturator moves, the utility model discloses, through making the feeding groove be inclined to a certain angle, can conveniently recycle the feed that remains in the feeding groove to reduce the waste of feed, simultaneously, after completing the recycling of feed, through the scraper can effectively clean the feed that sticks to the inner wall of feeding groove, prevent the feed to breed bacteria, mould and other harmful microorganism, avoid the sheep to eat the feed that is contaminated and is infected with disease to can provide a clean, hygienic feeding environment for the sheep, help the healthy growth of sheep, reduce the disease incidence.

The invention relates to the technical field of livestock breeding, and discloses a sheep variety breeding method combining phenotype data and gene information, and the method comprises the steps: building a data collection module, a data analysis module, a seed selection and reproduction module, a monitoring module, a genetic stability evaluation module and a feedback adjustment module; the data analysis module is used for analyzing data of the data acquisition module, calculating and evaluating growth, gene conditions and environmental correlation and providing a basis for breeding, a seed selection strategy is formulated in the seed selection and reproduction module, the monitoring module records multi-generation genetic data, and the genetic stability evaluation module is used for evaluating the genetic stability of the sheep flock subjected to multi-generation breeding. And comparing and analyzing the change conditions of gene frequencies and genotype distribution genetic parameters before and after multi-generation breeding, calculating a historical genetic stability coefficient As according to the gene frequencies before and after multi-generation breeding, evaluating a breeding effect and finding a problem improvement direction, and adjusting seed selection by a feedback adjustment module according to an evaluation result of a genetic stability evaluation module.

The utility model relates to the technical field of Tibetan sheep breeding, and discloses an adjustable fixing frame for livestock breeding, which comprises a base, a support is arranged on one side of the outer surface of the base, a supporting rod is arranged in the support, a movable plate is arranged at one end of the supporting rod, a threaded plate is arranged on one side of the outer surface of the support, and a fixing plate is arranged on the threaded plate. A threaded rod is arranged on one side of the outer surface of the threaded plate, a connecting box is arranged at one end of the threaded rod, a device pipe is arranged in the connecting box, a connecting rod is arranged in the device pipe, a neck cangue is arranged at one end of the connecting rod, an auxiliary pipe is arranged on one side of the outer surface of the device pipe, and an inserting rod is arranged in the auxiliary pipe. According to the device, when the poke rod moves downwards, the inserting rod moves downwards, and when the inserting rod is disconnected with the connecting rod, the neck cangue can be taken down, when the poke rod is loosened, the spring pushes the poke rod to move, the inserting rod moves reversely, and when the inserting rod is connected with the connecting rod in an inserted mode, the neck cangue is connected with equipment, and the device can replace the neck cangue.

The application discloses a YOLOv5s light-weight sheep breed identification method and system based on knowledge distillation, and the identification method comprises the following steps: S1: collecting videos of multiple breeds of sheep inside a breeding farm; S2: extracting image frames in the videos as original images, and performing data preprocessing on the original images, and dividing the processed images into a training set, a verification set and a test set; S3: constructing a light-weight sheep breed identification neural network model based on knowledge distillation of YOLOv5s; S4: training the sheep breed identification neural network model by using the training set and the verification set, and obtaining optimal weights; and S5: inputting the test set into the trained sheep breed identification network model and evaluating the performance of the model. The method provided by the application utilizes knowledge distillation to transfer effective features learned by a teacher network with large parameters and high recognition accuracy to a student network, so that the recognition accuracy of the breed identification network is improved, and the purpose of small network model parameters and light weight is achieved.

The present application relates to the field of animal breeding technology, in particular to the application of ursolic acid in the frozen semen preservation of sheep. The present application applies ursolic acid in the frozen semen preservation of sheep. The addition of 0.5-2.0 micromole / L ursolic acid in the frozen diluent can improve the quality of frozen semen preservation of sheep and goats, and can improve the sperm motility and vitality after thawing, which helps the thawed sperm to pass through the vagina, uterus and enter the oviduct to complete fertilization, improves the insemination success rate of frozen sperm, and provides technical support for strengthening the protection of local sheep breed resources.

The utility model discloses a sheep breeding trough cleaning device which comprises a cart bottom plate, a water tank is installed on the top of the cart bottom plate, a slidable U-shaped frame is arranged above the water tank, an inner cavity of the U-shaped frame is connected with a movable plate in a sliding mode, a rotatable rotating pipe is arranged on the movable plate in a penetrating mode, and the movable plate is provided with a water inlet and a water outlet. And a cleaning brush is mounted at the bottom of the surface of the rotating pipe. The horizontal position of the cleaning brush is adjusted through the transverse moving driving assembly, then the vertical position of the cleaning brush is adjusted through the lifting driving assembly, so that the cleaning brush extends into the sheep breeding trough, and then the rotating driving assembly drives the rotating pipe and the cleaning brush to rotate to wash the interior of the sheep breeding trough. During the period, water in the water tank is conveyed to the rotating pipe through the water conveying hose by the water pump and flows out through the water outlet hole, so that the cleaning brush is in a humid state, and the purpose of efficient cleaning can be achieved by matching with the efficient rotating humid-state cleaning brush in the walking state of the cart bottom plate.

The invention belongs to the technical field of genetic breeding, and particularly relates to application of a molecular marker influencing the chest circumference character of sheep, the molecular marker is a nucleotide sequence as shown in SEQ ID NO.1, and the nucleotide at the 101bp site is C or T; the application refers to any one of the following (1) and (2): (1) identifying the chest circumference of the sheep; and (2) the chest circumference of the offspring of the sheep is improved. The molecular marker influencing the chest circumference character of the sheep is obtained through screening, and genetic evaluation can be conducted on the chest circumference character of the sheep in the early growth and development stage of the sheep by detecting the genotype of the molecular marker. Besides, based on the key SNP sites and the dominant genotypes thereof, individuals carrying the dominant genotypes are selected as parents, so that the average chest circumference of offspring groups can be effectively improved. The invention provides a direct technical support for quickly breeding a new strain or group of sheep with outstanding chest circumference character, and is beneficial to accelerating the process of improved variety of sheep.

The embodiment of the utility model provides a sheep breeding feeding trough convenient to clean, and relates to the technical field of livestock breeding. The sheep breeding feeding trough convenient to clean comprises a feeding trough body, a tooth groove is formed in the bottom end of the feeding trough body, a gear disc is connected to the surface of the tooth groove in a meshed mode, a rotating shaft is fixedly installed on one side of the gear disc, the rotating shaft is fixedly installed on one side of a driving motor, the driving motor is installed in a supporting block, and the supporting block is fixedly installed on the other side of the gear disc. The two supporting blocks are arranged at the bottom end of the feeding trough body. A driving motor is operated to drive a rotating shaft to rotate, then a gear disc is driven to rotate, a tooth groove is driven through meshing of the gear disc, the feeding trough body rotates on a supporting block, the angle of the feeding trough body is adjusted through rotation, and therefore adjustment can be conducted according to the size of sheep, and the sheep can eat more conveniently and rapidly; waste caused by the fact that the feed is located at the bottom is avoided, and therefore the practicability of the feeding trough is improved.

The utility model provides Hu sheep breeding and cleaning equipment, which belongs to the field of Hu sheep breeding and cleaning and comprises a mounting frame, two groups of moving wheels arranged at the bottom of the mounting frame and a cleaning mechanism, the cleaning mechanism is arranged in the mounting frame and can clean the inner wall of the feeding trough; the reciprocating motion mechanism is arranged at the top in the mounting frame, the reciprocating motion mechanism can drive the cleaning mechanism to do reciprocating motion so as to scrub the inner wall of the feeding trough, and an electric telescopic rod is arranged at the bottom of the reciprocating motion mechanism; the positioning mechanisms are arranged on the left side wall and the right side wall of the mounting frame, and the cleaning mechanism is arranged, so that feed residues in the cleaning tank can be washed out; the cleaning plate can be driven to move back and forth under the action of the reciprocating moving mechanism, so that the cleaning brush plate can be driven to cling to the trough wall for scrubbing, and through combination of mechanical scrubbing and directional spraying, feed splashing can be reduced, the cleaning time is greatly shortened, and the cleaning effect is good.

The invention belongs to the technical field of genetic breeding, and particularly relates to application of a molecular marker influencing sheep body length traits, the molecular marker is a nucleotide sequence as shown in SEQ ID NO.2, and the nucleotide at the 101bp site is T or C; the application refers to any one of the following (1) and (2): (1) identifying the body length of the sheep; and (2) the body length of the offspring of the sheep is increased. According to the invention, a molecular marker which significantly affects the sheep body length character is screened out through methods such as genome sequencing, variation site identification, whole genome association analysis and the like. By detecting the genotype of the molecular marker, the body length of the sheep can be subjected to genetic evaluation in the early growth and development stage of the sheep. Based on the molecular marker provided by the invention, early and accurate identification of the sheep body length character can be realized. The invention provides a reliable tool for molecular-assisted breeding of the safkick sheep and even other sheep varieties, and is beneficial to improving the breeding efficiency and the genetic progress.