491 results about "Breeding pig" patented technology

The invention discloses a method for manufacturing a fermentation bed for livestock cultivation and a method for breeding pigs on the fermentation bed. The livestock cultivation fermentation bed is characterized by being manufactured by paving a loess layer on a foundation layer of an organic gasket and sprinkling sodium chloride, brown sugar and strains consisting of compound microbial inoculants where effective microorganisms and indigenous microorganisms coexist, rice bran and wheat bran on the loess layer. Green feed serves as main feed for the pigs on the fermentation bed, and energy feed and supplementary feed consisting of Chinese medicaments having the functions of benefiting gastrointestinal health, facilitating digestion and expelling toxin to improve the immunity of the pigs also can be fed to the pigs. Compared with the prior art, the livestock cultivation fermentation bed has the advantages that the pigs bred on the bed have strong immunity, need no vaccines and antibiotic and can be fed with the green feed for bulls and sheep; and the meat of the bred pigs has the same pleasant taste as wild pigs.

The invention provides a major SNP (single nucleotide polymorphism) marker influencing the growth traits of pigs. The SNP marker is located at a nucleotide sequence of an HMGA1 gene of a pig chromosome 7, a locus of the SNP marker is the nucleotide mutation of C857-G857 with an SEQ ID NO:1 sequence labeling position of 857, corresponding to a 34983991st nucleotide locus C> on chromosome 7 in a reference sequence in an international pig genome version 10.2, G mutation, or one of seven other loci completely linked with the locus. The invention also provides the application of the SNP marker in the genetic improvement of growth traits of breeding pigs, and provides the application of an SNP molecular marker with a linkage disequilibrium degree (r2) with the SNP marker of greater than 0.8 in the genetic improvement of growth traits of breeding pigs. The growth traits include one or more of the length and height of a living body of a pig, carcass length, carcass weight, daily gain and head weight. According to the invention, the breeding process of breeding pigs can be accelerated, the productivity of breeding pigs can be effectively improved, and remarkable economic benefits can be obtained.

A breeding-pig compound premix comprises 0.6-1% of vitamin additive, 3.8-6.3% of trace mineral additive, 4-6% of amino acid additive, 0.5-0.8% of functional additive, 10-12% of flavor, 0.1-0.3% of antioxidant, 2.5-4% of choline chloride, 30-40% of dicalcium phosphate, 30-40% of limestone powder, as well as 2-10% of feed carrier. The adding amount of the premix accounts for 4%; the premix is coupled with the common grain crops, such as corn and soybean meal, and uniformly mixed into full-price formula feed for barren sows, so that the barren sows can timely get rutted and mated to discharge more eggs and produce more litter; therefore, the premix improves the breeding performance of the sows and enhance the economic benefits of the hogpen.

The present invention discloses a fermentation plant leaf breeding pig feed, wherein raw materials of the feed comprise, by weight, 160-170 parts of corn, 20-30 parts of soybean meal, 10-20 parts of fermentation plant leaves, 5-8 parts of wheat bran, 8-12 parts of tea leaf residues, 5-10 parts of orange residues, 4-6 parts of slag , 4-6 parts of maifanite, 4-6 parts of a premix, 0.03-0.05 part of methionine, 04-0.5 part of lysine, 0.2-0.3 part of gravy salt, 0.2-0.3 part of allitricin, 0.05-0.15 part of multivitamin, 0.01-0.015 part of phytase, and 3-4 parts of Chinese herbs. According to the present invention, the fermentation plant leaves, the maifanite, the tea leaf residues, the orange residues, the slag and other raw materials are added to the formula, such that palatability and nutrition of the feed and feed intake of the breeding pig can be enhanced, a growth state of the breeding pig can be improved, growth requirements of the breeding pig can be met, pig meat quality can be improved, and good effects are provided for digestion promotion, feed utilization rate improvement, weight increase per day of chicken, economic benefits and the like.

The invention discloses a breeding pig abnormal state detection method and device based on PSO-SVM, which can effectively detect suspected sick pigs and precisely recognize breeding pig oestrus behaviors in time, so that the manual observation cost is reduced, and the benefits of a farmer are improved. The method comprises the steps that (1) individual information of breeding pigs is collected, wherein the individual information consists of triaxial acceleration, body temperature and foraging information; (2) a feature matrix is built through the feature extraction of the individual information; (3) on the basis of a prebuilt breeding pig knowledge base, with the feature matrix, whether a breeding pig gets sick or not is judged by a method based on the rules; (4) breeding pig oestrus behaviors are recognized and classified through inputting the feature matrix to a prebuilt breeding pig oestrus behavior recognition model based on a support vector machine, and two outputs of whether oestrus happens or not and oestrus probability are obtained, wherein the parameters of the support vector machine are optimized through a particle swarm optimization when the breeding pig oestrus behavior recognition model is built.

The invention discloses a pig breed selecting and feed selecting machine, comprising a frame body, a central controller and a feeding device, wherein the frame body comprises an electronic chassis andan artificial feeding box; a clapboard is arranged between the artificial feeding box and the electronic chassis; the central controller is arranged in the electronic chassis; the top part of the artificial feeding box is provided with a feeding pipeline which is communicated; and the feeding device is located below the artificial feeding box; and a feed intake channel which is for the feed intake of only one pig is arranged beside the feeding device. By adopting the structure, the pig breed selecting and feed selecting machine can screen out appropriate feed formulas and raw materials for the breed pig according to the growing conditions of pigs to improve the accuracy of measuring the ratio of feed to meat, can avoid feed waste, lower the pig breeding cost, improve the accuracy of breedreserving of the breeding pig and the feeding environment, improve the level of automation of the feeding experience for the feed products, and improve the large-scale pig-raising intelligent management level.

The invention discloses a formula of a filler of a fermentation bed for raising pigs and a method for preparing a fermentation agent thereof. The formula comprises water, grass and wood chips, soil, Chinese medicinal herb, coarse salt and the fermentation agent; and the method for preparing the fermentation agent comprises the processes of natural fermentation, screening and cultivation, propagation and cryodrying. The preparation method is easy and has low cost; and the pigs raised in the fermentation bed using the formula have low disease incidence, and the fermentation bed has wide application range and also has promotion and application value in the south with high temperature and high humidity.

The invention relates to a method for breeding and feeding a cross breeding pig. The adopted technical scheme is as follows: the method comprises the steps of: (1) selecting a breed or a strain with large number and strong adaptability in the local area as a female parent and selecting the breed or the strain with high growth speed and good carcass quality as a male parent; (2) carrying out cross combination by utilizing two-way crossing and two-way rotational crossing; (3) selecting backup sows in a brood of piglets when the piglets are 28-30 days old; (4) feeding and managing nonpregnant sows and pregnant sows; and (5) strictly preventing epidemic diseases. By utilizing the method provided by the invention, the bred breeding pigs show better heteroses and good piglets with high yield, high survival and high protein can be provided for peasant culturists.

The invention belongs to the fields of molecular biological technology and molecular marker technology and relates to an SNP molecular marker related to intramuscular fat content of a Duroc boar. Thesite of the SNP marker is the 117427086th nucleotide site on the chromosome 7 of the International Pig Reference Genome 11.1 version, and the basic group of the site is G or A. By preferably selectingthe dominant allele of the SNP, the frequency of the dominant allele can be increased generation by generation, the intramuscular fat content of the boar can be increased, and the genetic improvementprogress of the boar can be accelerated, thereby effectively improving the economic benefit of boar breeding.

The invention relates to a boar nutrition replenisher and a preparation method thereof. The boar nutrition replenisher comprises the components based on parts by weight: 30-50 parts of vitamin A, 13-15 parts of vitamin D, 15-25 parts of vitamin E, 0.08-0.12 part of vitamin B12, 8-12 parts of nicotinic acid amide, 4-6 parts of calcium pantothenate, 55-65 parts of vitamin C, 0.08-0.12 part of biotin, 1-11.4 parts of beta-carotene, 1-2 parts of folic acid, 0.08-0.12 part of organic chromium, 8-12 parts of L-carnitine, 20-30 parts of dihydropyridine, 70-90 parts of electrolyte, 500-800 parts of oligosaccharide, 4-6 parts of lysine, 0.8-0.9 part of valine and 5-7 parts of glutamine. The invention can improve the immunity of the organism of breeding stock, conception rate, birth rate, breeding capacity and fertility rate; furthermore, solubilization and periderm are also carried out on the insoluble raw materials, so that the nutrition replenisher can be added into feed and drinking water.

The invention provides a disease-prevention and healthcare Chinese medicinal preparation for breeding a pig and relates to a Chinese medicinal preparation for breeding the live pig. Each dose of the Chinese medicinal preparation is prepared from the following Chinese medicinal raw materials in proportion: 13-17g of milkvetch root, 8-12g of white atractylodes rhizome, 8-12g of hairy asiabell root, 5-9g of cyrtomium rhizome, 13-17g of garlic, 8-12g of liquorice, 8-12g of fragrant solomonseal rhizome, 8-12g of Baikal skullcap, 8-12g of heartleaf houttuynia herb, 8-12g of heterophylly falsestarwort root, 8-12g of lily bulbs, 8-12g of kudzu root, 8-12g of mulberry root bark, 3-7g of purple perilla and 3-7g of platycodon root. As the formula is adopted, the Chinese medicinal preparation for breeding the live pig has the following beneficial effects that: the immunity, anti-viral capability, antibacterial capability, anti-stress capability and cough and asthma relieving capability of the live pig are enhanced; the drug residual in pork is reduced to the lowest; the quality of the pork is improved; and the cost is low.

The invention discloses an ARM-based pig behavior tracking, identification and monitoring device and method. The device comprises an ARM main control chip, a data acquisition module, a data transmission module, a data processing module, a data storage module, an algorithm implementation module, a server module, and a data display module and can realize the monitoring of feeding, drinking and excretion behaviors of pigs. An intensive breeding pig house which can identify the behaviors of pigs on the basis of an ARM tracking algorithm is constructed; the tracking algorithm is adopted to track the behaviors of the pigs; the feeding quantity and drinking quantity of the pigs, the number of the excretion of the pigs, and corresponding time are compared with standard parameters, so that whetherthe behaviors of the pigs are normal can be judged; abnormal information is provided to a pig farmer by means of an alarm; and therefore, problems such as poor accuracy and serious influence of environmental factors of pig behavior monitoring which applies markers to identify pigs can be solved.

The invention discloses a breeding method of breeding pigs, which comprises the following steps of: primary selection: excluding pigs which have the genetic defects, do not comfort to the appearance features and are poor in growth and development at the condition of 30 kg; secondary selection: carrying out elimination treatment or other treatments on individuals which are poor in development and are not qualified under the condition of 60 kg; tertiary selection: calculating the selection index of each pig according to the backfat thickness, the growth speed and other data, carrying out site selection according to high and low indexes and in combination with the blood relationship and the body type appearance and selecting pigs with high indexes and good body type appearance into a core group; starting to mate after the weights and the month ages of gilts subjected to the tertiary selection reach the standard; and carrying out semen examination and limb and hoof compactness evaluation on boars selected by final detection before mating and eliminating the boars which are not qualified in the continuous tertiary semen examination. The breeding pigs bred by adopting the method disclosed by the invention have the advantages of high pig fecundity and quick weight-increasing speed and are very suitable for being raised and reproduced by various farming village farmers.

The invention relates to an artificial breeding technology for schizothorax grahami. The artificial breeding technology for the schizothorax grahami includes that cleaning and sterilizing a breeding pond; placing fish seeds; acclimatizing parent fishes and hastening parturition to spawn; incubating fish fries; feeding fodder; fishing and coming into the market. The artificial breeding technology for the schizothorax grahami is capable of effectively improving the problems of low survival rate, slow growth and low reproductive capacity of artificial schizothorax grahami breeding, improving the yield and economical benefit of the schizothorax grahami and promoting the development of the schizothorax grahami breeding industry.

A breeding pig feed automatic feeding device mainly comprises a storage feed bin, a feed flowing trough, an elastic pressing feed switch and a feeding trough. Feed in the storage feed bin enters the elastic pressing feed switch through the feed flowing trough, and then can be flown out only by being pushed by pigs with heads, when the pigs push the switch with the heads once, a little of feed is flown out, and when the pigs continuously push the switch with the heads, the feed can not be continuously flown out. By the adoption of the breeding pig feed automatic feed device, labor can be reduced, and the feed can be prevented from being wasted and polluted.

The invention provides a major SNP marker capable of affecting pork aliphatic acid component, the SNP marker is positioned on a nucleotide sequence of pig SCD gene, the site marked by SNP is g.120963718 nucleotide site on international pig genome version 10.2 reference sequence pig No.14 chromosome, and is the mutation of C and T, which is corresponded to 4513rd site on SEQ ID NO: 1, the position marked by SNP is g.120963819 nucleotide site on international pig genome version 10.2 reference sequence pig No.14 chromosome, and is the mutation of C and G, which is corresponded to 4614th site on SEQ ID NO: 1, above two mentioned sites are completely linked; the SNP marker can increase the monounsaturated fatty acid content and / or reduce saturated fatty acid content of pig, the monounsaturated fatty acid is C18: 1 and / or C16: 1, and the saturated fatty acid is C18: 0 and / or C16: 0. The invention also provides a nucleotide sequence of SCD gene positioned on pig No.14 chromosome, and the application of the SNP marker and the nucleotide sequence in breeding pigs meat quality heredity improvement.

The invention discloses a breeding method for live pigs. The method comprises the following steps: construction of pig houses, preparation before entry of live pigs, breeding during a lactation period, breeding during a growth period, breeding during a fattening stage and management of pig houses. The method has the following beneficial effects: by breeding pigs in different phases, feeds are more targeted so as to ensure nutrition can be supplied in different growth periods; a first growth stage feed used in the first stage of the growth period is fermented and contains abundant probiotics; therefore, intestinal flora of piglets can be effectively adjusted to improve the food digestion capability and immunity of the organism; buckbeans added into fattening feed serve as a green feed with effect of soothing the nerves and prompting sleep; corn kernels, peanut kernels, pitaya peels and wheat bran are soaked by hawthorn fruit wine before being mixed, so that the feed is improved in palatablility and fragrance and can stimulate the appetite of pigs; meanwhile, pigs sleep better after eating the feeds full. The method has advantages on quick fattening and can improve utilization rate of the feed.

The invention relates to a litopenaeus vannamei relay type breeding mode. For the litopenaeus vannamei relay type breeding mode, phased breeding management of specific pond desalination and standard size breeding, high-density fine breeding and timely accurate sparse breeding is conducted in a greenhouse pond, a transition pond and a breeding bond respectively, beneficial microorganisms are used for conducting directional adjustment and control on pond microbial ecology in the whole breeding process, a technology of catching and stocking in rotation is combined, and litopenaeus vannamei relay breeding in different spaces is achieved. The litopenaeus vannamei relay type breeding mode has the advantages that the pond utilization rate is high, two-batch litopenaeus vannamei larvae can be bred in one year, the time of juvenile litopenaeus vannamei staying in the breeding pond is short, the water quality and substrate are not prone to deterioration, after the juvenile litopenaeus vannamei is put into the breeding pond, the survival rate is high, precision of breeding management measures of feeding and the like is easy, the breeding water quality and microbial ecology are easy to control, the breeding yield is high, and the breeding benefit is high.

The invention provides a method for breeding non-polluted pigs with medicament-free fermented feed, comprising the following steps of: selecting high-quality individuals from self-reproducing and self-breeding Druoc Landrace Yorkshire (DLY) three-way half-bred pigs and half-bred aardvarks; feeding piglets with Yizhudele groove feed from 7 ageindays, and weaning for 35 days; putting the weaned piglets into a piglet caring room, and feeding with Yizhudele piglet feed; putting shoats into a breeding room from 70 ageindays and feeding with Yizhudele shoat feed; putting hogs into a fatness breeding room from 140 fattening period, and feeding with Yizhudele hog feed; and putting Yizhudele flavor deposit feed from 180 ageindays, to increase a flavor deposit stage for 40 days and improve the flavor and the quality of pork, wherein the pigs are mature for 220 ageindays. The method adopts a high-quality variety, feeds the pigs with the medicament-free fermented feed during the whole breeding period to improve the nutrition of the feed, and adds 40 days for depositing flavor based on 180 days for normally breeding to greatly improve the flavor and the quality of the pork.

The invention relates to an identification method of PPARD major gene, establishment of a molecular breeding method and application in the genetic improvement of breeding pigs. In the invention, by adopting the white Duroc * Erhualian Intercross and the Chinese and exotic breeding pigs of distant population, the whole-genome scan and linkage mapping, the IBD fine mapping of the target region based on a high-density SNP mark and the selection effect analysis of the distant population are carried out, and then the major gene, i.e., PPARD for deciding the traits of pig ears, fat deposition, weight of pig head and carcass traits, and the mutation site of key cause, i.e., G32E are identified. The sites are detected by the modern molecular biotechnology; by adopting the gene-assisted selection method, the beneficial gene-typed individuals are selected for the breeding pigs, thereby the breeding improvement efficiency of the traits of pig ears, fat deposition, weight of pig head and carcass traits are remarkably improved. The invention further discloses an identification course of the gene and the cause mutation site and a method for breeding the traits of pig ears, fat deposition, weight of pig head and carcass traits by using the gene marker of the invention.

The invention provides a technique utilizing forage grasses to treat pig farm sewage, the technique introduces warm-season perennial gramineous forage grasses and cool-season annual gramineous forage grasses for year-round planting and for treating sewage in pig farms; and the produced forage grasses are directly fed to pigs or added into mingled forage by different proportions after pulping for breeding pigs at different stages. The technique combines the pig farm pollution treatment technique and forage grass planting, and rationally utilizes culture wastes to develop the grass industry, change waste into valuables, realize the beneficial cycle of pig raising-biogas slurry-forage grasses, reach zero release of sewage in the breeding industry, and avoid the pollution of sewage to the environment in the breeding industry, and the forage grasses grown on the grassland have advantages of good quality, high output and obviously reduced production cost, and the forage grasses produced by adopting the method are used in animal husbandry, the costs for breeding livestock are also reduced obviously, the sewage treatment in pig farms can be realized, functions of forage grasses in environmental ecological safety and bioremediation can be achieved, and the technique has broad application prospect and outstanding economic benefit and environmental protection value.

The invention discloses a quantitative feeding device for breeding pigs by utilizing the lever principle. The device comprises a limiting groove and a main body device, and the upper end of the limiting groove is fixedly provided with a pressing plate through first limiting springs; a feeding plate is arranged at the upper end of the main body device, a lever is arranged in the main body device, and a sliding channel runs through the left side of the lever; the center of a lever body of the lever is fixed to the main body device through a fixed rotating shaft, a first quantitative extraction tube and a second quantitative extraction tube are fixed to the inner side of the top of the main body device, and a feeding box is arranged at the position, at the rear end of the first quantitative extraction tube and the rear end of the second quantitative extraction tube, of the main body device. According to the quantitative feeding device for breeding the pigs by utilizing the lever principle, multiple times of quantitative feeding are achieved, and the feed intake of the pigs is reasonable, so that the problem that digestion is influenced because the pigs eat too much once, and then meatgain is slow is avoided.

The invention discloses a Suhuai pig breeding method, comprising the following steps of: carrying out hybridizing cultivation with new Huai pig as a female parent and pork type yorkshire pig as a male parent, carrying out five times of selection and remaining of each generation, and using the selected and remained pigs as parent pigs for next generation; and repeating first to fifth times of selection and remaining, carrying out level identification on the reproductive performance of sows when the second generation is bred, and applying the sows to production when the primiparous young pigs are more than 9 and the multiparous young pigs are more than 13. The bred Suhuai pig is strong in constitution, is strong in disease and stress resistance, and has good applicability to environments of cultivation places.

The invention provides a method for feeding live pigs and relates to the technical field of feeding of livestock. The method for feeding the live pigs comprises the following steps: washing a whole cage house before feeding, putting a padding, selecting high-quality breeding pigs and starting to feed, feeding additive-containing base feed to sows before the sows mate; keeping the temperature of the pig house at 28-32 DEG C and feeding compound feed to the sows after the sows mate and before the sows farrow; feeding water prepared by decocting ginger and brown sugar firstly and then feeding feed after the sows farrow; feeding an additive-containing piglet compound feed to piglets in a period from birth to ablactation of the piglets; feeding a piglet feed to the piglets after the piglets have ablactation; controlling and preventing diseases, carrying out regular health care and expelling parasites. The feed can be used for meeting the requirements on nutrition in various stages of the farrowing sows and the piglets so as to ensure the nutrition and farrowing rate of the sows, reduce diarrhea of the piglets and increase the survival rate of the piglets.

The invention discloses a mating system selective breeding method for producing a high-quality commercial pig, comprising the following steps: A) taking halothane-free recessive gene Pietrain as a first male parent of a mating system, taking Duroc as a first female parent of the mating system, and hybridizing to obtain Pierre cross-bred pig; and B) selecting the Pierre cross-bred pig as a second male parent of the mating system, taking Shannon No. I pig as a terminal female parent, and hybridizing to obtain the high-quality commercial pig. The average litter size of the pluriparous sows of the mating system terminal female parent of the invention is not less than 12, the growth speed of the high-quality commercial pig is up to above 700 g / d, lean meat percentage is above 62%, feed conversion ratio is not higher than 3.2, intramuscular fat content is not lower than 2.5%, and no PSE meat exists.

The invention discloses a multifunctional pure traditional Chinese medicine composition special for preventing and treating miscarriage or stillbirth, postpartum inflammation, porket dysentery and various diseases in a breeding pig farm. The traditional Chinese medicine composition comprises the following traditional Chinese medicine raw materials: fried green eorsythia fruit, fried honeysuckle, fried peucedanum root, fried isatis leaf, fried cortex phellodendron chinese, fried Chrysanthemum morifolium Ramat, fried angelica dahurica, fried Spenceria ramalana, fried houttuynia, fried wild dandelion, fried ommon selfheal fruit-spike, fried green tangerine orange peel, fried Zhejiang Atractylis ovata, fried eucommia, fried radix scutellariae, fried Angelica sinensis, fried madder, fried anemone, fried Sichuan coptis, fried Herba Epimedii, fried Morinda officinalis flesh, fried corydalis tuber, fried motherwort herb, fried Astragalus root, fried Common Yam Rhizome, fried radix codonopsis pilosulae, fried Cortex Fraxini and fried liquorice. The traditional Chinese medicine composition has the effective rate more than 98% on prevention and treatment of various viral diseases, bacterial diseases, miscarriage or stillbirth, postpartum inflammation and porket dysentery caused by various reasons before and after sow laboring.

The invention discloses a feeding device for breeding pigs. The feeding device comprises a machine body. A motor box is fixedly connected to the top of the machine body, a motor is arranged inside the motor box, an output shaft of the motor sequentially penetrates through the motor box and the machine body, extends to the inside of the machine body and is fixedly connected with a rotating shaft, stirring rods are fixedly connected to the surface of the rotating shaft, a feeding hopper is communicated to the top of the left side of the machine body, baffles are fixedly connected to the two sides of an inner cavity of the machine body, and a fixing frame is fixedly connected to the portion, located at the bottoms of the baffles, on the left side of the inner cavity of the machine body. According to the feeding device, as a handle is arranged, and the handle can pull a moving plate to move; as a spring and the fixing frame are arranged, it is avoided that the moving plate is separated from the fixing frame when the moving plate moves; as a discharging opening is formed, discharging can be adjusted; meanwhile, the food intake of the pigs is reasonably and effectively controlled, and the problems that feeding of a food trough cannot be adjusted, labor is increased, and the feeding efficiency is reduced are solved.

The invention discloses a method for preparing a protein feed by treating pig manure with black soldier flies, and relates to the technical fields of environment protection as well as resource reuse and utilization in the livestock breeding industry. The method for preparing the protein feed by treating the pig manure with the black soldier flies comprises the following steps: (1) performing pretreatment on pig manure; (2) performing primary fermentation on the pig manure; (3) performing re-fermentation on the pig manure; (4) preparing a culture material; (5) culturing black soldier flies; (6)carrying out sieving; and (7) preparing the protein feed. The method for preparing the protein feed by treating the pig manure with the black soldier flies has the characteristics of being capable ofsolving environmental pollution caused by pig manure, increasing source of high-protein feed, realizing benign development of ecological agriculture and so on. The method for preparing the protein feed by treating the pig manure with the black soldier flies is capable of treating pig manure, as well as treating livestock and poultry manure; and the protein feed prepared by the method disclosed bythe invention can be used for breeding pigs as well as chicken and ducks. Moreover, the protein feed is also suitable for aquaculture.

The invention discloses a method for breeding pig breeds of Meiling black pigs. The method comprises the following steps that (1) excellent piglets are selected as reserved backup pigs on the 20th day after the birth of the piglets; (2) the secondary optimization screening is carried out after fourth month of the reserved backup pig selection, and high-quality stock pig breeds are selected; (3) when the body weight of the selected high-quality stock pig breeds is increased to 50kg, the selection remaining and the elimination are carried out by utilizing the integral selection indexes and referring to the genealogical ancestry and the somatotype appearance according to the individual and compatriot performance test results, and backup pig groups are selected and formed; (4) male pigs and female pigs in the backup pig groups can mate according to requirements, and pigs with poor growth and development conditions, genetic diseases and breeding difficulty are weeded out. The method for breeding pig breeds of Meiling black pigs is set out according to the actual characteristics of the pig breeds of the Meiling black pigs. When the method for breeding pig breeds of Meiling black pigs is adopted, the purebred pig breeds of Meiling black pigs with good properties and stable hereditary feature can be selected, and the social benefits and the economic benefits are obvious.