24 results about "Grower pig" patented technology

This invention belongs to the fields of molecular biology and molecular marker technology, specifically relating to a SNP molecular marker located on chromosome 8 of pigs and associated with the intramuscular fat trait, and its application. The SNP site of this molecular marker on chromosome 8 corresponds to the T>C mutation at positions 43,738,941 on chromosome 8 in the International Swine Reference Genome Version 11.1. By selecting the dominant allele of this SNP, this invention can increase the frequency of the dominant allele generation by generation, thereby increasing intramuscular fat content, improving meat quality, and breeding superior pigs with the aforementioned traits. This contributes to accelerating the progress of pig genetic improvement and effectively improving the economic benefits of pig breeding.

The invention relates to the technical field of livestock breeding, in particular to a boar mating assisting mating device which comprises an induction mechanism, the induction mechanism is arranged in a shell for boar mating, and the induction mechanism is used for inducing sows to enter the shell; the inducing mechanism comprises a supporting table, a belt conveyor and a food inducing box, the supporting table is fixedly connected into the shell, the belt conveyor is embedded in the middle of the supporting table, and the food inducing box is arranged on the upper surface of the belt conveyor. According to the auxiliary mating equipment for boar mating, the inducing mechanism is arranged, so that a sow can be conveniently induced to enter the shell, the sow can be limited in the shell in advance, in the process of limiting the sow, workers do not need to push the sow into a mating room in a time-consuming and labor-consuming mode, and the labor intensity of the workers is reduced. The sow can actively enter the shell along with the food inducing box under the inducing of the food inducing box, so that the mating process of the boar and the sow can be more convenient.

The application provides a pig crossbreeding method, an electronic device and a program product, and relates to the technical field of pig breeding. The method comprises the following steps: acquiring a body image of a sow sample in a Jinhua pig strain and a preset pig population; according to the body image, a plurality of excellent samples are selected as target sow samples from the Jinhua pig strain and the preset pig population by a preset sow sample screening strategy; pig performance data of the crossbreeding offspring of the target sow samples are acquired; the comprehensive performance score of the crossbreeding offspring is determined by a preset performance evaluation strategy according to the pig performance data; and the target sow sample corresponding to the crossbreeding offspring with the highest comprehensive performance score is determined as the crossbreeding result according to the comprehensive performance score. In this way, the Jinhua pig strain and a pig breed with fast growth and high lean meat rate are crossbred respectively, and the crossbreeding combination with the optimal offspring performance is selected as the breeding result, so that the advantages of the Jinhua pig and other pig breeds are combined to improve the problems of slow growth and low lean meat rate of the Jinhua pig.

The invention discloses a method for auxiliary identification of Duroc pig growth traits based on a BTG1 region SNP marker, and belongs to the technical field of animal genetic breeding and reproduction. Comprising the following steps: step S1, acquiring a growth trait record of a Duroc pig to be detected, performing data preprocessing, and calculating genetic correlation and phenotypic correlation between heritability and growth traits based on a pedigree; step S2, performing genetic typing on the Duroc pig to be detected, and detecting genotypes of the Duroc pig in a BTG1 region and other key SNP sites; s3, carrying out auxiliary identification on the growth traits of the to-be-detected Duroc pigs on the basis of a pre-established relationship between genotypes and the growth traits; and S4, selecting a corresponding individual as a breeding object according to an auxiliary identification result. The method can be used for early screening and genetic improvement of growth traits such as different day-age weights and staged average daily gain of Duroc pigs, and is suitable for breeding pig breeding practice of large-scale pig farms, live pig breeding enterprises and scientific research institutions.

This invention relates to the fields of molecular markers and animal genetic breeding technology, and particularly to a SNP marker affecting the total flavor nucleotide content in pigs and its application. Based on three experimental pig populations—purebred American Landrace, purebred American Large White, and purebred American Duroc—this invention employs whole-genome resequencing and GWAS analysis to study and identify nine SNP markers associated with total flavor nucleotides. By optimizing the dominant alleles of these SNPs, the frequency of dominant alleles can be increased generation by generation, thereby increasing the total flavor nucleotide content, improving pork quality, accelerating the progress of pig genetic improvement, and effectively improving the economic benefits of pig breeding.

The application belongs to the technical field of molecular biology and molecular marker, and particularly relates to a SNP molecular marker related to pig daily weight gain on chromosome 1 of pig and application. The site of the SNP molecular marker related to pig daily weight gain on chromosome 1 of pig corresponds to the 162158624th nucleotide site on chromosome 1 of the international pig reference genome 11.1 version, and the base of the site is T or C. Through selecting the dominant allele of the SNP, the dominant allele frequency can be increased generation by generation, the pig daily weight gain is improved, the pig genetic breeding progress is accelerated, and thus the economic benefit of pig breeding is effectively improved.

The application provides a method for diagnosing and differentiating classical swine fever based on a classical swine fever E2 subunit vaccine, which comprises the following steps: immunizing pigs in a pig farm with the classical swine fever E2 subunit vaccine, detecting E0 antibodies and E2 antibodies after one year of immunization, and eliminating the pigs with E0 antibodies until both the E0 antibodies and the CSFV nucleic acid detection are negative, which indicates that the classical swine fever is purified. The classical swine fever E2 subunit vaccine comprises a nucleic acid fragment encoding an antigen protein with the amino acid sequence of SEQ ID NO: 5 inserted into a recombinant expression vector. The classical swine fever E2 subunit vaccine provided by the application has good immunoprotective efficacy on pigs, and a classical swine fever epidemic disease purification method is established by using the subunit vaccine. The application effect of the method in a pig breeding company for two years shows that the method can effectively purify the classical swine fever, which indicates that the purification method provided by the application is feasible and can be popularized and applied.

The utility model discloses an adjustable local boar limiting delivery fence which comprises a base, four sets of stand columns are fixed to the top of the base, and a fence is fixed between every two adjacent stand columns. Compared with the prior art, the adjusting mechanism is arranged to drive the separation mechanism installed on the side face of the shell to move, the space size of a boar and piglet activity area can be flexibly adjusted according to the body types of sows through the design, and the problems that a traditional delivery fence is fixed in space and cannot adapt to the sows of different body types are solved; stress reaction of large-size sows due to narrow space is avoided, small-size sows can conveniently take care of piglets, safety guarantee is provided for the piglets through the design of the separation mechanisms, the sows can be effectively prevented from entering the piglet activity area and being prevented from crushing the piglets during sow delivery and daily activities by adjusting the height of the transverse rod, and the sow delivery efficiency is improved. The survival rate of the piglets is improved.

The invention discloses a functional site combination for predicting sow reproductive traits and application thereof.The functional site combination comprises 12232 SNP loci, ear tissues of Changbai breeding pigs from a certain pig farm in the south of China are collected, gene chip sequencing and whole genome re-sequencing data are used, and the functional site combination is used for predicting the reproductive traits of sows. A large number of SNP markers are obtained by using a genotype filling technology, functional marker information related to the breeding traits of the landrace sows is screened in combination with multi-omics information, noise sites in filling data are removed, and finally the 10K functional site applied to the breeding traits of the landrace sows is formed. The SNP molecular marker related to the breeding traits of the landrace sows is screened out, a new molecular marker development basis is provided for prediction and genetic improvement of the breeding traits related to the landrace sows, and the SNP molecular marker has important significance in improving the breeding and breeding efficiency of pigs.

The utility model relates to a boar semen collection frame for live pig breeding. Comprising a base plate, a fake sow table and an auxiliary climbing mechanism. A height adjusting electric telescopic rod is arranged at the right end of the base plate, a fake sow table is arranged on a telescopic rod of the height adjusting electric telescopic rod, a front leg lapping rod capable of moving left and right is slidably installed on the fake sow table, and the front leg lapping rod is driven by a left-right adjusting electric telescopic rod arranged in the fake sow table to move; the base plate is provided with an auxiliary climbing mechanism located on the left side of the fake sow table. According to the artificial sow platform, boars can be helped to climb the artificial sow platform through the auxiliary climbing mechanism, meanwhile, the artificial sow platform can ascend and descend, the artificial sow platform can be suitable for boars of different sizes to use, meanwhile, the boars can climb at a short position, then the artificial sow platform is lifted to the designated height, workers can conveniently conduct semen collection work, and in addition, the artificial sow platform is convenient to use. The boars can be assisted to climb towards the right side of the fake sow table through the front leg lapping rods capable of moving left and right, and it is ensured that the boars can climb in place.

The invention discloses an information acquisition system for boars, relates to the technical field of boar information acquisition, and is characterized in that the system utilizes technologies and methods such as computer vision, big data and an artificial intelligence algorithm to construct a phenotype big data acquisition and analysis system taking intelligent automatic measurement as a core. The system integrates a boar image data acquisition module, an automatic boar body size measurement module based on a Mama segmentation model, and a non-contact intelligent boar weight and feed conversion ratio measurement module based on an integrated regression model, and realizes intelligent dynamic monitoring and acquisition of important growth traits of boars.

The utility model relates to the technical field of pigsty doors, and discloses a detachable breeding pig activity pigsty door structure which comprises a pigsty wall, the front face of the pigsty wall is fixedly connected with a mounting plate, the lower surface of the mounting plate is rotatably connected with a rotating rod, the surface of the rotating rod is fixedly sleeved with a pigsty door, and the front face of the pigsty door is slidably connected with a pressing plate. The side face of the pressing plate is fixedly connected with a push rod, the front face of the rotating rod is fixedly connected with a rotating rod, and the end, away from the pressing plate, of the push rod penetrates through the side face of the top plate. The pedal moves to pull the pulling plate to rotate through the pulling rope, the pulling plate rotates to drive the pushing rod to rotate anticlockwise, the pushing rod rotates to push the pressing rod to drive the pushing rod to move, the pushing rod moves to drive the inserting block to move out of the limiting groove, limiting of the pigsty door is eliminated, at the moment, the spring is compressed, the tiptoe is tilted to hook the first foot hook rod, and then the pigsty door is pulled open. The problem that infection is easily caused by the hands when the hands touch the germs in the pigsty door is solved to a certain extent.

The invention relates to the technical field of pig breeding and veterinarians. The invention provides a method for producing a negative fattening group by a PRV-gE antibody positive sow group. The method comprises the following steps: (1) carrying out pseudorabies gE nucleic acid detection, gE antibody detection and gB antibody detection on boars, replacement gilts, multiparous sows and delivery room piglets in a breeding pig farm; (2) respectively treating the pigs which are detected to be unqualified; (3) carrying out vaccine immunization on all sows; (4) carrying out pseudorabies wild virus nucleic acid detection on the sows, and carrying out preliminary screening on the piglets; (5) weaning the 21-24-day-old piglets, performing secondary screening, and transferring qualified piglets to a nucleic acid negative non-continuous production fattening house; and (6) carrying out immunization and pseudorabies gE antibody detection on the fattening pigs. According to the method, breeding pigs and piglets are screened layer by layer, pig herds are effectively purified, production of negative fattening pigs can be achieved, and the health degree of the pigs is guaranteed. The overall cost is controllable, the effect is quick, and the economic benefit is remarkable.

This invention relates to the field of biotechnology, specifically disclosing a molecular marker combination for genotyping Shanxi pigs and its application. Based on the genetic breeding needs of local Shanxi pig breeds, this invention provides a novel molecular marker combination for genotyping Shanxi pigs, comprising 65,262 SNP molecular markers. The nucleotide sequences of these SNP molecular markers include the SNP sites shown in Table 2; the Shanxi pig refers to the local Shanxi pig breed. This molecular marker combination can be used to create a genotyping chip for Shanxi pigs, making it more suitable for breeding local Shanxi pig breeds. It can provide effective support in large-scale pig breeding and meet the ever-evolving breeding needs.

This invention relates to the fields of molecular markers and animal genetic breeding technology, and particularly to a SNP marker that affects AMP content in pigs and its application. Based on three experimental pig populations—purebred American Landrace, purebred American Large White, and purebred American Duroc—this invention uses whole-genome resequencing and GWAS analysis to identify 14 SNP molecular markers significantly associated with AMP content. By optimizing the dominant alleles of these SNPs, the frequency of dominant alleles can be increased generation by generation, thereby increasing AMP content, accelerating the progress of pig genetic improvement, and effectively improving the economic benefits of pig breeding.

The invention discloses a molecular marker for analyzing pig growth performance and application thereof, the molecular marker is located at the 270492246th position of a chromosome 1, the polymorphism of the molecular marker is C > T, the pig growth performance of CC genotype is less than the pig growth performance of CT genotype and less than the pig growth performance of TT genotype, and the growth performance is 120 kg day age; the sites are determined on the basis of a pig reference genome Sus scrofa 11.1. The molecular marker provided by the invention is helpful to improve the breeding efficiency and the selection accuracy, solves the problem that a single strain marker is instable in effectiveness in other strains, improves the accuracy of molecular marker-assisted selection from a low-efficiency mode based on an agent marker to a high-efficiency mode based on causal variation, and is expected to improve the efficiency of molecular marker-assisted selection in a shorter time. A new breeding pig strain which is 120 kg in weight, shorter in day age and better in growth performance is bred, and huge economic benefits are brought to the pig industry.

The invention belongs to the technical field of animal husbandry production, and particularly relates to a boar breeding and feeding device and method.The boar breeding and feeding device comprises a base and fences, and the fences define a plurality of rows of unit chambers on the base; an aisle is reserved between every two adjacent rows of unit chambers; a feeding trough is arranged on one side, close to the passage, of each unit chamber; one end of the aisle is provided with an operation area, and the other end is provided with a cultivation area; an inspection circular track and a feeding circular track are arranged above two adjacent rows of unit chambers by taking the aisle as a symmetric center, the inspection circular track is arranged in a concave shape, and the feeding circular track is arranged in a convex shape matched with the inspection circular track; an intelligent monitoring structure is arranged on the inspection circular track, and a feeding structure is arranged on the feeding circular track; in the breeding process of boars, related data of breeding can be collected through the intelligent monitoring structure, the integration degree of the feeding structure is high, and quantitative feeding of various pigs is achieved through cooperation of the feeding structure and the intelligent monitoring structure.

The invention belongs to the technical field of molecular biotechnology and molecular markers, and particularly relates to an SNP molecular marker located on a chromosome 11 and related to abnormal content of creatinine in porcine serum and application of the SNP molecular marker. An SNP site of the SNP molecular marker corresponds to G / A mutation at the 68587544 bp position on a chromosome 11 of an international pig reference genome version 11.1, and the polymorphism of a base of the site affects the abnormal occurrence rate of the content of creatinine in Wuzhishan pig serum. By optimizing the dominant alleles of the variation sites, the frequency of the dominant alleles can be increased generation by generation, and the abnormal occurrence rate of the serum creatinine content of the Wuzhishan pigs is reduced. According to the method, the problem of genetic improvement of abnormal CREA content of the Wuzhishan pigs is solved by means of molecular breeding, the commercial and scientific research values of the Wuzhishan pigs are improved, and the genetic improvement progress of the Wuzhishan pigs is accelerated, so that the economic benefit of breeding pig breeding is effectively improved.

The utility model discloses a boar body size rapid measuring device which comprises a bottom plate, inserting grooves are formed in the two sides of the surface of the top of the bottom plate, inserting blocks are arranged in the inserting grooves, vertical rods are arranged on the surfaces of the tops of the inserting blocks, scale marks are arranged on the surfaces of the front ends of the vertical rods, and a transverse plate is arranged between the two vertical rods. The two ends of the transverse plate extend into a groove formed in the surface of one side of the vertical rod. According to the boar measuring device, a boar is driven to the bottom plate, when the boar reaches the top surface of the bottom plate, an operator pushes the handle, the measuring plate is driven to move through the connecting rod while the handle moves, and when the measuring plate abuts against the chignon position of the boar, the scale marks on the surface of the front end of the vertical rod are used; the height of a boar can be measured by using the measuring device, the measuring process is convenient and rapid, the use effect of the measuring device is improved, the measuring plate can be automatically reset after measurement by using the reset spring on the connecting rod, and therefore follow-up normal use is facilitated.

The invention discloses a method for auxiliary identification of Duroc pig feeding behavior and feed utilization efficiency based on candidate gene SNP markers, and belongs to the technical field of animal genetic breeding and breeding and feed efficiency evaluation. Comprising the following steps: S1, collecting and preprocessing a sample; step S2, genotype detection; s3, based on a pre-established genotype-ingestion behavior / feed utilization efficiency relationship, performing auxiliary identification on the ingestion efficiency of the Duroc pigs to be detected; and S4, according to an auxiliary identification result, selecting a corresponding individual as an object with high feed utilization efficiency. The method is suitable for Duroc pig grain-saving strain breeding, large-scale pig farm feed cost control and boar ingestion efficiency evaluation, the pig feed utilization rate can be evaluated in the early stage, a new method is provided for breeding, and the pig breeding cost is saved.

The application relates to the technical field of pig feeding, and discloses an automatic feeding adjusting mechanism of a pig feeding station, which comprises a feed pump, the output end of the feed pump is connected with an electric three-way valve, the side output end of the electric three-way valve is connected with a shunt pipe, and the output ends of the shunt pipe are all connected with medicament injection systems. Through the setting of independent medicament injection systems and the linkage control of the flow meters on the main pipelines, the main control cabinet can dynamically calculate and accurately control the injection rate of the peristaltic pump according to the real-time monitored liquid flow rate, the problem of low precision in trace addition in the traditional large-flow system is solved, through the intelligent medicament module design, the pluggable medicament box and the USB chip identification technology, the "one medicament one box, automatic identification" is realized, the replacement of medicaments is as convenient as the replacement of ink cartridges, and the cross contamination is physically eliminated.

The utility model discloses a feeding fence for sow and boar delivery, and relates to the technical field of feeding fences for sow and boar delivery, the technical key points are that the feeding fence comprises a bearing plate, one side of the bearing plate is in sliding connection with a storage expansion mechanism, and the surface of the storage expansion mechanism is provided with a plurality of grooves; heating mechanisms are fixedly connected to the interiors of the multiple grooves, the storage and extension mechanism comprises a telescopic plate, a plurality of rotating rods and a plurality of connecting plates, the telescopic plate is slidably connected to one side of the bearing plate, the rotating rods are fixedly connected to the top surface of the telescopic plate, and the connecting plates are rotatably connected to the outer surfaces of the rotating rods correspondingly; the beneficial effects of the utility model are that: be used for the sow breeding farrowing fence, can accommodate the piglet area, reduce the whole utilization rate of the pigsty, thereby reducing the waste of resource, avoid the too low body temperature due to coldness, make the piglet easy to get sick, even possibly lead to the death.

The present application relates to the technical field of molecular marker, and particularly relates to a SNP molecular marker, primers and application associated with the antibody level of African swine fever virus. The SNP molecular marker is located at 22bp upstream of the transcription start site of the pig PSMC2 gene with the gene version number of NM_001245008.1, and has G / A polymorphism. The SNP molecular marker provided by the present application is closely associated with the antibody level of African swine fever virus of pigs. Compared with the pigs with the genotype of GA and AA at the site, the pigs with the genotype of GG have higher antibody level of African swine fever virus in serum. The SNP molecular marker can be applied to identify high-quality pigs resistant to African swine fever virus, so as to improve the breeding efficiency of breeding pigs and effectively improve the economic benefits of feeding pigs.