151 results about "Breeding pig" patented technology

The invention relates to the technical field of molecular markers and animal genetic breeding, in particular to an SNP marker influencing the content of porcine inosine and application of the SNP marker. The 10 SNP molecular markers closely related to the porcine inosine content are researched and determined on the basis of American-series purebred landrace, American-series purebred large white pigs and American-series purebred duroc, the dominant allele frequency can be increased generation by generation by optimizing the dominant allele of the SNP, the inosine content can be reduced, and the molecular markers can be used for identifying the porcine inosine content. The pig genetic improvement progress is accelerated, so that the economic benefit of breeding pig breeding is effectively improved.

The invention relates to application of a molecular marker related to pork flavor. The molecular marker is related to the content of alpha-nicotinamide adenine dinucleotide (NAD < + >) in longissimus dorsi of a pig. The invention discloses a method for identifying pork flavor and a breeding method for breeding pigs with better pork flavor. According to the method, the 131363728th nucleotide site of a pig to be detected on a chromosome 8 of a pig reference genome Sscrofa11.1 and GCF000003025.6 is detected, the genotype of the pig is judged, the pork flavor is identified, the content of alpha-nicotinamide adenine dinucleotide (NAD +) in longissimus dorsi muscle of a TT genotype at the site is higher than that of a pig individual of a CT genotype, and the content of the pig of the CT genotype is higher than that of a pig individual of a CC genotype. In actual breeding work, to-be-detected pigs with the 131363728 site genotype being TT can be selected as parents for breeding, and the method has important significance on breeding pigs with better pork flavor.

The invention discloses a pig weight estimation method based on vision, and belongs to the field of intelligent breeding, and the method comprises the following steps: obtaining an initial image set of a breeding pig based on a multi-view camera system; performing image preprocessing on the initial image set to obtain mask coordinates; registering the multi-view point cloud of the boar depth image into a complete three-dimensional model by using a skeleton constraint ICP algorithm based on the mask coordinates, and determining the body structure representation of the boar based on the complete three-dimensional model; and inputting the body structure representation of the boar, the back fat texture features of the boar and the kinetic energy index into a double-branch prediction model to obtain a final weight estimation value of the boar. According to the invention, the influence of complex environment and light change of a farm is overcome, and accurate non-contact measurement of the boar weight is realized.

The invention relates to the technical field of molecular markers and animal genetic breeding, in particular to an SNP marker influencing pig UMP content and application thereof. Whole genome re-sequencing and GWAS analysis are adopted, American-series purebred landrace pigs, American-series purebred large white pigs and American-series purebred duroc are used as research objects, seven SNP markers related to the pig UMP content are researched and determined, by optimizing dominant alleles of the SNP, the frequency of the dominant alleles can be increased generation by generation, the UMP content can be increased, and the pig UMP content can be improved. The pig genetic improvement progress is accelerated, so that the economic benefit of breeding pig breeding is effectively improved.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker associated with a pig backfat thickness character and application. The nucleotide sequence of the SNP molecular marker is as shown in SEQ ID NO: 1; one SNP molecular marker site A / G is arranged at the 254bp position of the sequence of the SNP molecular marker. Genetic typing is carried out by utilizing a gene chip technology, whole genome association analysis is carried out in combination with the character of correcting the 100 kg backfat thickness of a large white pig, one SNP molecular marker remarkably related to the character is screened out, and a new marker resource is provided for molecular breeding of the growth character of the breeding pig.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker positioned on a No.15 chromosome of a sow and related to the lactation ability of the sow. The SNP site of the SNP molecular marker corresponds to the Agt at the 31884611bp position on the No.15 chromosome of an international pig reference genome version 11.1; g mutation; the genotype of the gene is AA, AG or GG. The SNP molecular marker provided by the invention is remarkably related to the sow lactation ability character, the identification of the sow lactation ability character can be realized by identifying the single nucleotide polymorphism of the SNP molecular marker and / or the genotype of the SNP molecular marker, and the dominant allele frequency can be increased generation by generation and the sow lactation ability can be improved by preferably selecting the dominant allele G of the SNP provided by the invention. The pig genetic improvement progress is accelerated, so that the economic benefit of breeding pig breeding is effectively improved.

The utility model relates to the field of boar sensible temperature reduction, and discloses a multi-angle spray head device for reducing boar sensible temperature, which comprises a hog house, support plates are fixed at two ends of the top of the hog house, a through groove is formed in the side wall of one support plate, and the inner side walls of the two support plates are rotatably connected with the same rotating shaft; one end of the rotating shaft penetrates through the outer side wall of the other supporting plate, a rotating mechanism used for rotating the rotating shaft is arranged on the outer side wall of the other supporting plate, a first connecting pipe is arranged at the top of the pig house, and the first connecting pipe is parallel to the rotating shaft. The rotating mechanism drives the rotating shaft to rotate, then the first connecting pipe is driven to swing left and right, multi-angle spraying work can be conducted, the spraying area is increased, the situation that the temperature is high due to the fact that water mist cannot be sprayed to part of the area is avoided, and the comfort degree of the boar growth environment is improved; the water level in the water storage tank is prevented from being too low to affect comfort and health of the boars.

The invention is suitable for the technical field of molecular genetics, and provides an SNP molecular marker related to pig backfat thickness and application thereof. The invention studies and determines that the pig backfat thickness related molecular marker is located at the 95583333rd site (corresponding to the 701st basic group A / G mutation of SEQ ID NO: 1) of the No.18 chromosome of the international pig reference genome version 11.1, and verifies the influence effect of the molecular marker on the pig backfat thickness character. And when the basic group at the site is A, the pig has lower back fat thickness. On the basis, a molecular marker-assisted selection breeding technology for rapidly improving the backfat thickness character of the pig is established, the frequency can be increased generation by generation by optimizing the dominant allele (A), the backfat thickness of the breeding pig is remarkably reduced, the genetic improvement process of commercial pig herds containing landrace and large white pig blood lineage is accelerated, and the breeding efficiency is improved; the sales profit is increased for enterprises, the core competitiveness is improved, and the economic benefits of commercial pigs are improved.

The invention belongs to the technical field of molecular biotechnology and molecular markers, and particularly relates to an SNP (Single Nucleotide Polymorphism) molecular marker located on a pig chromosome 15 and related to an average daily feed intake character and an application of the SNP molecular marker. The SNP site of the SNP molecular marker located on the No.15 chromosome of the pig and related to the average daily feed intake character corresponds to the 122335983th site Cgt on the No.15 chromosome of a reference sequence of an international pig reference genome version 11.1; t mutation. By optimizing the dominant alleles of the SNP, the frequency of the dominant alleles can be increased generation by generation, the average daily feed intake of the boars is reduced to a certain extent, the feed efficiency of the boars is improved, the excellent boars with the characters are bred, and the progress of genetic improvement of the boars is accelerated, so that the economic benefit of breeding of the boars is effectively improved.

The invention belongs to the technical field of molecular marker-assisted breeding, and particularly relates to an SNP molecular marker related to pig carcass length and muscle color value, and a detection primer, a kit and application thereof, the SNP molecular marker has GG, CC and CG genotypes, and the meat quality character of a pig individual with the GG genotype is superior to that of a pig individual with the CG genotype and that of a pig individual with the CC genotype. By detecting the genotype of the molecular marker, phenotype judgment can be converted into genotype identification, a detection technical means is provided for simultaneously carrying out early breeding of multiple traits and improving the breeding efficiency of boars with excellent meat quality, and a reliable targeting site is also provided for genetic improvement of pork quality traits; by selecting the breeding pigs with the GG genotypes reserved, the frequency of the GG genotypes of the groups is gradually increased, the breeding pig groups with high meat yield and good meat quality can be rapidly bred, and a rapid and effective way is provided for improving the groups with long pig carcasses and muscle color values.

The invention discloses a breeding method and device for breeding boars, belongs to the technical field of breeding of the boars, and aims to solve the problems that in order to prevent seminal fluid from flowing out after insemination, an external air source is often relied on, so that discomfort of sows is easily caused, and the success rate of fertilization is influenced. The problem that the pregnancy effect is affected due to the fact that a pipeline is left in the body for a long time and discomfort of a pig is easily caused is solved, the gel suppository can be attached to the irregular mucous membrane form of the cervix uteri inner opening after being expanded, leakage caused by reserved gaps is avoided, the expansion degree does not need to be manually controlled, the error-tolerant rate is higher, and the application range is wide. Meanwhile, the plugging mechanism of the gel suppository is made of a natural degradation material, can be naturally degraded and removed or discharged along with uterus peristalsis, has no long-term retention risk, can improve the vagina flushing effect, can simulate the action during mating in the vagina, facilitates fertilization reaction of sows and is more beneficial to successful fertilization.

The invention belongs to the technical field of molecular biology, particularly relates to a pig chromosome 3 TMC7 gene as a meat-producing character molecular breeding marker and application, and aims to provide a new marker and technical support for meat-producing character molecular breeding of pigs. The molecular marker is located at the 26346502 base in a pig chromosome 3 TMC7 gene, and allele G / T polymorphism exists at the site. A correlation analysis result shows that in American and French large white pig populations, the eye muscle area of a GG genotype individual is remarkably higher than that of other genotype individuals (plt; 0.05), and it is indicated that the genotype is a favorable genotype of the eye muscle area character. The SNP marker provided by the invention provides a new molecular tool for genetic breeding of pig eye muscle area characters, and can be used for auxiliary screening of breeding pigs with excellent meat production performance, so that the breeding process of pig breeds with high lean meat percentage is accelerated.

The invention discloses a CHRM3 gene InDel molecular marker associated with growth and reproduction traits of a large white pig and application of the CHRM3 gene InDel molecular marker, a 62bp deletion variation is identified in a second intron of the CHRM3 gene, and a breakpoint is positioned in a second intron 521426525142713bp (a pig chromosome 14 reference sequence NC010456.5) of ENSSSCT00000082112.1. The application for detecting / identifying the growth and reproduction traits of the large white pigs is developed on the basis of the molecular marker, and the detection method is simple, rapid and low in cost and can be used for accurately screening individuals with better traits such as backfat thickness, primary birth litter weight, total multiparous litter size and gestation period of multiparous sows in the early stage, so that genetic improvement is carried out on the growth and reproduction traits of the pigs, and the economic benefit is increased. Multiple characters such as growth and reproduction can be selected at the same time, the breeding period of excellent boars can be shortened, and the breeding efficiency and progress are accelerated.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker positioned on a pig chromosome 10 and related to a total lean meat percentage. An SNP site of the SNP molecular marker corresponds to Tgt at a position of 11840666bp of a chromosome 10 of an international pig reference genome Ensembl Sscrofa11.1 version; g mutation; the nucleotide sequence of the SNP molecular marker is SEQ ID NO.1, wherein M in the sequence is T or G. Researches show that the polymorphism of the basic group at the site leads to the difference of the total lean meat percentage. Accordingly, the inventor establishes a corresponding pig genetic improvement method, and by optimizing the dominant alleles of the SNP, the frequency of the dominant alleles can be increased generation by generation, the total lean meat percentage of pigs can be increased, the progress of pig genetic improvement can be accelerated, and the economic benefit of breeding pig breeding can be effectively improved. In addition, the inventor also researches and designs a primer pair for amplifying the nucleotide sequence of the SNP molecular marker, and by virtue of the primer pair, the slaughter traits can be quickly and accurately bred, and the breeding process is accelerated.

The invention relates to the technical field of molecular markers, in particular to an SNP (Single Nucleotide Polymorphism) molecular marker for predicting the daily age character of a pig for correcting 100 kg weight and application of the SNP molecular marker. The molecular marker is Ggt at the 53th site, the 157th site and the 723th site of the 12th chromosome of the Sscrofa11.1 version of a pig genome; according to the present invention, the CHD3 gene has the A single nucleotide polymorphism (SNP), and the site is located in the CHD3 gene exon region and belongs to the nonsynymous SNV; whole genome association analysis (GWAS) is carried out on a group containing 428 pigs, it is found that the site is extremely remarkably related to the growth speed required for correcting the day age of 100 kg of the weight of an individual (P = 1.27 * 10 <-10 >), and the individual carrying G allele shows higher breeding value, can serve as an important marker for molecular assisted breeding, is not limited by factors such as age and sex, and can be used as a marker for molecular assisted breeding. The method is suitable for breeding excellent boars, and can accelerate the formation of populations with excellent growth performance and improve the breeding efficiency of improved breeds.

The utility model discloses an automatic feeding device for boar breeding, which comprises a feeding box, a feeding trough and an induction table, a partition plate is arranged in the feeding box, a food stirring bin is arranged above the partition plate, a stirring mechanism is arranged in the food stirring bin, a feeding pipe, a water guide pipe and a motor are arranged on the feeding box, the water guide pipe is connected with a water storage tank, and the motor is connected with the water storage tank. A spring is arranged at the bottom in the feeding box and provided with an induction groove, the induction groove is slidably connected with the inner wall of the feeding box, a trigger switch is arranged below the partition plate, the groove wall of the induction groove is used in cooperation with the trigger switch, a control box and an alarm are arranged on the side wall of the feeding box, the trigger switch is electrically connected with the control box, and the control box is electrically connected with the alarm. By arranging the induction table, the induction groove, the trigger switch, the alarm, the first electromagnetic valve, the discharging pipe, the second electromagnetic valve and the like, automatic feeding of boars is achieved, it is guaranteed that foodstuff is sufficient and supplied in time in the feeding process, breeding development of the boars is promoted, and growth is facilitated.

The application provides a pig breeding and production integrated house group transfer planning and scheduling method and device, and relates to the technical field of intelligent breeding management. Through the fusion of health monitoring and reproductive performance double-dimensional data, the pigs are comprehensively rated and prioritized, so that the group transfer decision is no longer dependent on a single index or artificial experience, and high-value breeding pigs and pigs that need to be isolated can be accurately identified. In the process of combining pigs, the pig pathogen carrying state or health risk level is combined, and the same state priority merging principle is followed, so that the flow of different health state pigs is blocked, and biological safety control is strengthened. According to the loading scheme and the layout of the field, the target field is dynamically allocated and the transfer path is generated, the efficiency of the field is improved, and the stress of the pigs and the lag of the environmental control caused by the transfer confusion are reduced. Through scientific planning of the transfer process, the risk of disease outbreak and treatment cost are reduced, the smooth connection of each breeding link is ensured, and the survival rate of the pig group and the comprehensive breeding benefit are improved.

The utility model relates to the technical field of boar testing, in particular to a boar performance testing device which comprises a bottom plate, a groove is formed in the bottom plate, a weighing device is fixedly connected in the groove, a steel plate is fixedly connected to the top of the weighing device, a feed box is fixedly connected to the surface of the bottom plate, and the feed box is arranged on the side face of the steel plate. A fixed plate is fixedly connected to the top of the bottom plate, a crushing box is fixedly connected to the top of the fixed plate, an inclined plate is fixedly connected to the bottom of the crushing box, a driving motor is installed outside the crushing box, and a rotating rod is fixedly connected to the output end of the driving motor; when a boar is fed, the boar can be weighed through the weighing device, then the weighing numerical value is displayed through the display screen, then the weighing numerical value of each time is recorded through the recorder, the weight is displayed more visually, then the performance of the boar can be measured more accurately, meanwhile, the space between the bottom plate and the fixing plate is limited, and therefore the performance of the boar can be measured more accurately. And the activity range of the boars can be reduced, so that the boars can be conveniently weighed.

The invention relates to the technical field of boar breeding, and discloses local boar breeding equipment which comprises a support. The supporting frame is arranged above the support and used for supporting local boars to take sperms; the lifting assembly is arranged between the support and the supporting frame; the protective plate is arranged on the arc-shaped outer wall of the supporting frame; the adjusting assembly is arranged on the outer wall of the protective plate and used for adjusting and supporting local breeding pigs; the semen taking unit is arranged in the supporting frame and is used for manually taking out local boar semen. Through assistance of height adjustment, angle adjustment and the massage assembly, a more comfortable and natural semen collection environment is provided for boars. The optimized semen collection environment can reduce the stress reaction of the boars and improve the semen quality, and the design of the flow guide assembly and the collection mechanism can effectively reduce the waste of the semen in the semen collection and collection process. Therefore, the utilization rate of the seminal fluid is improved, and the production cost is reduced.

The present application relates to the field of molecular markers and animal genetic breeding technology, and particularly relates to a SNP marker affecting pig purine base content and application thereof. Based on three test pig populations of American purebred Landrace, American purebred Large White and American purebred Duroc, the present application uses pig whole genome resequencing and GWAS analysis to research and determine 15 SNP markers significantly affecting pig purine base content. By selecting the advantageous alleles of the above SNP markers, the frequency of the advantageous alleles can be increased generation by generation, the corresponding purine content can be reduced or increased, the progress of pig genetic improvement can be accelerated, and the economic benefits of pig breeding can be effectively improved.

This invention relates to the fields of molecular markers and animal genetic breeding technology, specifically to a molecular marker located on chromosome 4 of pigs that is associated with body size and carcass traits, and its application. Using the F7 generation of a chimeric family as the research object, this invention employs whole-genome resequencing and GWAS analysis to study and identify the molecular markers located on chromosome 4 of pigs associated with body size and carcass traits. By optimizing the dominant alleles of these molecular markers, the frequency of dominant alleles can be increased generation by generation, enabling rapid and accurate selection of body size and / or carcass traits, accelerating the progress of pig genetic improvement, and thus effectively improving the economic benefits of pig breeding.

The invention discloses an application of an SNP (Single Nucleotide Polymorphism) molecular marker related to porcine scrotal hernia on a porcine chromosome 18, and the locus of the SNP molecular marker is rs332175156 and corresponds to Cgt at the 15224983 bp position on the chromosome 18 of an international porcine reference genome version 11.1; t mutation; the genotype of the gene is CC, CT or TT. The SNP molecular marker provided by the invention is remarkably related to the scrotal hernia morbidity of pigs, and the scrotal hernia morbidity of pigs with the genotype of TT of the SNP molecular marker is lower than that of pigs with the genotype of CT or CC. By breeding the pig with the SNP molecular marker genotype being TT, the improvement progress of the genetic defect of the pig scrotal hernia can be accelerated, and the morbidity of the scrotal hernia is reduced.

The invention discloses a live pig feeding fine management device and system, and relates to the technical field of live pig breeding, the live pig feeding fine management device comprises a pig trough and a readable electronic ear tag, the pig trough is provided with a channel, and a first electronic weighing device is arranged below the channel; according to the invention, through readable electronic ear tag identification, automatic feeding control and double-scale synchronous metering, the identity, accurate feed intake and weight data of pigs are automatically collected when the pigs eat each time, a continuous individual data link is formed, and on the basis, real-time monitoring of the feed intake interval, automatic early warning of abnormal feed deprivation and early detection of diseases can be realized; according to long-term accurate feed conversion ratio and daily weight gain data, a quantitative basis is provided for scientific breeding of high-yield breeding pigs, the non-pregnant period is intervened and effectively shortened in time by continuously analyzing the weight change trend of breeding sows and intelligently assisting early pregnancy diagnosis, and finally, the system changes traditional empirical group management into traditional group management. And the system is upgraded to a data-driven and individualized intelligent management closed loop.

This invention discloses a precise, rapid, and intelligent detection system for the number of ribs in live pigs based on an X-ray machine system. The system uses a precise, rapid, and intelligent detection algorithm to obtain the number of ribs in live pigs. The construction of this algorithm includes the following steps: S1, collecting a dataset; S2, performing augmented annotation on the dataset; S3, developing a ResNet classification model based on a convolutional neural network for supine and prone positions in live pig X-ray images using the corresponding dataset; S4, developing a target detection model based on the YOLOv5 algorithm in machine learning using the corresponding dataset; S5, integrating and encapsulating the precise classification model and the target detection model to obtain the precise, rapid, and intelligent detection algorithm for the number of ribs in live pigs. This system can accurately and rapidly detect the number of ribs in live pig X-ray images, and based on the detection results, superior individuals with a high number of ribs can be selected as breeding pigs.

The utility model discloses a boar breeding feed mixing device which comprises a machine frame, a mixing box is installed on the upper side of the machine frame, a driving piece is arranged on one side of the machine frame, the driving end of the driving piece is connected with a main shaft, and the main shaft penetrates through the two side wall faces of the mixing box and is rotationally connected with the upper side of the machine frame. The utility model relates to the technical field of boar breeding, and has the beneficial effects that the main shaft, the first driven shaft and the second driven shaft are arranged, so that when the driving piece drives the main shaft to rotate, the main shaft is matched with the transmission assembly to simultaneously drive the first driven shaft and the second driven shaft; the device is simple in structure and convenient to operate, breeding pig breeding feed in the mixing box can be efficiently mixed, the inner wall of the mixing box can be cleaned in the mixing process, so that the stirring effect is improved, meanwhile, a direction-adjustable conveying pipe is arranged on the lower side of the bottom of the mixing box, after feed mixing is finished, multi-angle discharge of the feed is facilitated, and the practicability of the device is improved.

The invention discloses a weighing type boar body length and height measuring device, and relates to the technical field of boar measurement, the weighing type boar body length and height measuring device comprises an outer cage, an inner cage and a weighing mechanism arranged between the outer cage and the inner cage, one end of the inner cage is open, the other end of the inner cage is rotatably provided with a rotating door, and the end, close to the rotating door, in the inner cage is provided with a measuring mechanism; a driving mechanism for driving the boars to move towards the measuring mechanism is arranged at the opening of the inner cage; and the measuring mechanism comprises a driving assembly and screw rods II which are symmetrically and rotatably mounted on the two sides of the inner cage. According to the weighing type boar body length and height measuring device, positioning of boars is achieved through the driving mechanism, and stress reaction and positioning deviation caused by manual driving are avoided; by means of screw transmission and a gear and rack linkage structure of the measuring mechanism, synchronous measurement of the body length and the body height is achieved, weighing is completed when the gestures of the breeding pigs are stable, and the data accuracy is improved; the whole process is controlled by the control panel, so that the measurement efficiency is greatly improved, and the manual labor intensity is reduced.

The present application relates to the field of animal breeding technology, and particularly relates to a molecular marker and application thereof in identifying pig backfat thickness. The molecular marker comprises a nucleic acid with a nucleotide sequence as shown in SEQ ID NO. 1 or SEQ ID NO. 2, and a polymorphism exists at the 9th position, which is A or G. The application comprises: detecting the polymorphism of the molecular marker in a pig sample to be tested, and determining the backfat thickness of the pig to be tested according to the genotype detection result, and pigs with genotype AA have lower backfat thickness than pigs with genotype AG or GG. The present application screens and obtains a molecular marker related to pig backfat thickness. The genotype of the pig at the molecular marker can be detected to realize the prediction and detection of the pig backfat thickness, and the molecular marker can be applied to breed pig varieties with low backfat thickness, and has important application value.

The invention relates to the technical field of livestock breeding measuring tools, in particular to an F-type measuring stick for measuring the body size of a boar, which comprises a main measuring part and a measuring part, the main measuring part comprises a main measuring rod, the surface of the main measuring rod is provided with a stainless steel scale for measurement, and the top end of the main measuring rod is connected with a transverse positioning rod; the vernier measuring part comprises a sliding vernier arranged on the surface of the main measuring rod in a sliding and sleeving mode, an observation window is formed in the surface of the sliding vernier, and the sliding vernier is connected with an arc-shaped positioning rod used for being attached to the body surface of a breeding pig; the telescopic measuring part is inserted into the main measuring rod, and the telescopic measuring part comprises a first-section measuring piece, a second-section measuring piece and a third-section measuring piece which are sequentially arranged in a drawing and inserting mode. An F-shaped integrated structure design is adopted, the arc-shaped positioning head and the anti-skid rubber pad are matched, accurate positioning can be achieved by quickly fitting the boar body contour, measurement of multiple parameters such as the body height and the body length can be completed by a single person, the measurement deviation is effectively reduced, and the operation efficiency of the measuring stick is improved.

The invention provides an SNP (Single Nucleotide Polymorphism) molecular marker which is positioned on a porcine ALDH16A1 gene promoter and affects the drip loss of pork. The SNP molecular marker corresponds to a g.54526592 nucleotide site on a pig chromosome 6 in an international pig genome version 11.1 reference sequence, and the site is located in an ALDH16A1 gene promoter region and shows G / A polymorphism; the G / A polymorphism of the SNP marker is significantly related to a pork drip loss value; the drip loss of an AA genotype individual at the site is remarkably lower than that of an AG genotype and a GG genotype; when the breeding pigs are selected and remained, the breeding sites are AA genotype to-be-detected pigs as the breeding pigs, so that the frequency of the allele A of the sites is increased, and the drip loss character value of offspring pigs is reduced. The technical problem that the pork drip loss character value cannot be screened through living body determination in the actual production process of the live pigs is solved, and technical support is provided for early breeding work of the live pigs.