239 results about "Purebred" patented technology

The first breeding process of black-shin yellow hybrid chicken adopts pure-blood black-shin yellow chicken or synthetic black-shin yellow chicken as male parent and pure or synthetic three-yellow chicken or recessive white-feather chicken as female parent in producing the hybrid chicken. The second breeding process adopts pure-blood black-shin yellow chicken or synthetic black-shin yellow chicken as male parent and the F1 generation hybrid produced in the first process as female parent in producing the F2 generation hybrid chicken. The hybrid chicken has the outer appearance of black-shin yellow chicken as well as powerful disease resistance, fast growth speed, high egg yield, high feed converting rate and other heterosis.

The invention discloses a method for breeding Wannan boars, which includes: subjecting paternal Duroc pigs and maternal Wannan spotted pigs to hybridization to obtain Du-Wan two-way hybrid sows; subjecting pure Wannan wide boars as male parents and the Du-Wan two-way hybrid sows as female parents to hybridization to obtain wild boars 50% of Wannan wild boars; subjecting the pure Wannan male wild boars as male parents and the boars 50% of the Wannan wild sows as female parents to hybridization to obtain wild boars 12.5% of Du-Wan blood and 75% of Wannan wild boars; and finally subjecting the wild boars which are 12.5% of Du-Wan blood and 75% of the Wannan wild boars as male parents and the wild boars 50% of the Wannnan wild boars as female parents to hybridization so as to obtain wild boars 12.5% of Du-Wan blood. By hybridizing the Wannan wild boars, the Wannan spotted pigs and Duroc pigs, the obtained wild boars are stable in hereditary character, high in adaptability, resistant to coarse feed, low in feeding quantity, low in rearing cost, fine in reproductive performance, high in disease resistance, high in meat nutrition value, full of wild taste, high in slaughter rate and good in economic benefit.

It relates to a method of cultivating and breeding new animal species, and especially a method of cultivating and breeding new pig species. The method includes the steps as below. First, domesticating the boars, creating the Domestication environment and feeding the boars with favorite feeding stuff. Second, selection of boars, that is, through genetic analysis, selecting the Duroc and the Meishan pig as the pig races of mating cultivate agnate female parent and matrilineal maternal. Third, mating and breeding, that is, across mating fixedly the young animal generation, and selecting and seeding for generations. Four, Rearing technique, that is, feeding with green grass and roughage principally.

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 discloses a breeding and feeding method for special wild boars. According to the method, purebred male wild boars are selected to be used as male parents, American duroc purebred female sows are adopted as female parents, the special wild boars with the wild boar blood relationship content being 62.5 percent can be obtained after the hybridization, and in addition, feeding management such as domestication, coarse fodder addition in different physiological periods is carried out. The technical measures of hybridization, grading hybridization, back crossing, inter-mating, hybridization in strains, hybridization between strains, oriented culture, purification and rejuvenation and the like are adopted, the special wild boars obtained after the treatment have strong breeding power, the annual yield is more than 2.2 boars, the growth speed is high, the body weight of 8-month-old commodity growing and fattening boars can reach 90 to 100kg, the feeding is easy, the disease resistance capability is high, the meat is fresh, tender and delicious, the palatability is good, the color is bright red, the types of amino acids are more, the nutrition is more complete, particularly, the linoleic acid content reaches 17.5 percent, and the nutrition is rich.

The invention relates to a method for producing fermented soya beans, wherein it uses the Bacillus subtilis of CGMCC No. 1863 number as the bacterial seed; uses soybean as material, uses mulberry leaf and sweet wormwood as findings. And the production comprises boiling, filter and boiling; planting bacterial at soybean / seed liquid ration as 100:1-3(w / v), to ferment and dry. The invention has stable function.

The invention discloses a production method for high-density pure arbuscular mycorrhizal fungal spore, which belongs to the technical field of microorganism culturing, and comprises the following technical steps of: 1) culturing carrot root tissues converted from agrobacterium rhizogenes plasmid DNA; 2) culturing the carrot root tissues converted from agrobacterium rhizogenes plasmid DNA and glomus intraradices together in an improved synthetic culture medium; 3) taking a culture containing the root, hypha and spore infected by the arbuscular mycorrhizal fungus and transplanting the culture to a special culture box for culturing; 4) collecting the spore and mycelium; and 5) storing the arbuscular mycorrhizal fungal spore. Compared with the prior art, the production method for high-density pure arbuscular mycorrhizal fungal spore has the advantages that: 1, the culture medium is an asepsis environment with low cost, which not only can meet the growing of a host plant, but also is suitable for the growing of AM epiphyte; 2, the nutrition requirements for the growing of the host plant are low and the host plant can grow and be cultured on the synthetic culture medium; 3, the spore cultured by the method is a non-pollution pure culture; and 4, the produced spore is stored in liquids and the activity can be maintained by above 90 percent.

The invention provides a feeding method of a pure breed Japanese calf, belonging to the technical field of livestock feeding. The feeding method comprises a feeding step, a nursing step and an immunization step. By using the feeding method of the pure breed Japanese calf, the survival rate of the Japanese calf is more than 90%, the reproduction rate of Japanese cows is greatly improved, the purpose of hybridizing of rutting cows in advance is achieved while weaning the calf at an early stage, therefore, not only the economic cost of breeding the Japanese cattle is reduced, but also the reproduction efficiency of the domestic high-quality beef cattle is remarkably improved.

The present invention belongs to the field of food fermentation technology, and is especially pure breed fermentation process for producing fermented soybean. The pure breed fermentation process includes the following steps: soaking soybean as the main material in water to water content of 45-55 %, and steaming at normal pressure or high pressure; inoculating Bacillus subtilis BBDC4 to KMB liquid culture medium; culture in shaking table at 150 rpm for 18 hr, and diluting the cultured liquid to obtain seed liquid with live bacteria number in 10<7> / ml; inoculating the seed liquid in 1-3 % to steamed soybean to produce leaven through setting at 30-37deg.c for 48-72 hr; adding salt, sugar and seasoning, and soaking in water for 12-24 hr; and loading into jar and setting at 45-55deg.c for 15-30 days to obtain fermented soybean in required flavor. The process has production period shorter than 34 days, pure yeast adopted to avoid harmful microbe invasion and ensured eating safety.

The invention discloses a method for breeding a high-quality mite-resistant bee species. The method is characterized by comprising the following steps of: (1) selecting breeding materials: screening a 'Jiangshan No.2' Italian bee with a high royal jelly yield, a French pure-bred Italian bee with excellent honey making performance and a healthy local Chinese bee species with excellent mite resistance for serving as an introduction object according to series indexes such as mite resistance, productivity, vitality and the like; (2) breeding a mite-resistant bee species: breeding a breeding male bee from Jiangshan No.2, breeding a Jiangshan No.2 virgin queen bee according to the requirements of bee biology and genetic breeding characteristic, and performing artificial fertilization hybridization with the bred breeding male bee to form a Jiangshan No.2 bee species with high production performance and disease resistance for serving as a male parent, wherein a pure-bred Italian bee with excellent honey making performance introduced from France serves as a female parent; and (3) checking and cutting a French Italian bee drone pupae every 7 days from breeding in spring till the end of breeding. The harm of bee mites to bee colonies can be avoided for beekeepers, the reproduction speed of the bee colonies is increased, and the yields and qualities of bee products are improved.

A hybridization method for naturalizing and reproducing pure-breed wild boar features that the diphyletic hybridization, diphyletic backcross, and triphyletic hybridization are used to increase bearing rate, ablactative survival rate and the weight of ablactative individuals.

The invention relates to a method for cultivating seedlings of purebred lycium ruthenicum with a high survival rate. The problem that the method for cultivating the seedlings of the purebred lycium ruthenicum with the high survival rate does not exist at present is solved. The method comprises the steps of firstly, treating seeds, secondly, selecting a seedling cultivation field and setting up a seedbed, thirdly, treating a matrix, fourthly, sowing the seeds and cultivating the seedlings, and fifthly planting the seedlings and conducting transplanting. According to the method for cultivating the seedlings, genes of the lycium ruthenicum are not changed, the aim that growth is promoted is finally achieved by cutting the seedlings to shorten the seedling slowing time when the seedlings are transplanted, and the two methods of seedling cutting, growth promotion and alternating seedling hardening are combined to be used for enabling the seedling quality to be high and the transplanting survival rate to be high. Before the seedlings are transplanted, the percent of pass of the planting seedbed can be 96.1%, the survival rate of the transplanted seedlings can be 95.2%, any addition agent is not required, the invested cost is low, the method is easy to master, the technology is convenient to popularize, and the method is particularly suitable for large-scale seedling cultivation of the lycium ruthenicum and can be applied to artificial seedling cultivation of plants in the desert area.

The invention provides a method for brewing wild bilberry ice wine by utilizing complex enzyme enzymolysis and a low-temperature oxygen-free fermentation technology, and belongs to the field of alcoholic beverage preparation. The method comprises the following processes: putting off wild bilberry harvest when the temperature is lower than -5 DEG C, carrying out complex enzyme enzymolysis, carrying out low-temperature oxygen-free pure-bred yeast fermentation under the protection of carbon dioxide, adding blueberry laevulose for secondary fermentation, ending the fermentation according to a physical method, carrying out low-temperature storage with an oak barrel, bottling for storage, and the like. The method has the advantages that the defect that the conventional blueberry wine is thin and highly acid is overcome; and the fruity and the fragrant characteristics are enhanced. Therefore, the wild bilberry ice wine brewed according to the method tastes sweet and intense, has strong blueberry fruity flavor and bouquet, and looks clear and pretty.

The invention discloses an interspecific hybridization and propagation method for deep sea scallops and chlamys farreri. The interspecific hybridization and propagation method comprises the following steps: a first step of breeding parent scallops: selecting deep sea scallops and chlamys farreri, separating the male and the female of the two scallops respectively, promoting maturity according to a normal parent scallop breeding method and using the mature scallops for cross experiment after synchronously maturing the mature scallops; a second step of laying eggs and performing hybridization: inducing spawning of the male and female groups of the two scallops respectively, fertilizing obtained eggs with conspecific or heterogeneous sperms respectively to obtain pure-bred self-bred progenies of the deep sea scallops and chlamys farreri as well as two hybrid fertilized eggs of female deep sea scallops and male chlamys farreri, female chlamys farreri and male deep sea scallops; hatching the obtained fertilized eggs at 13 to 14 DEG C, observing and measuring the proportion of D type larvas at regular times after the D type larvas appear until the maximum hatching rate is reached; a third step of cultivating scallops, wherein at a larval phase, the average shell height growth speed of the hybrid scallops is 6 to 6.3m per day, and the shell height, the shell length, the shell width and the weight are increased in a cultivating phase. According to the interspecific hybridization and propagation method disclosed by the invention, the deep sea scallops are effectively utilized through interspecific hybridization, so that the scallop breeding species are increased.

The invention discloses a fibrinolytic-enzyme-producing Bacillus amyloliquefaciens strain separated from traditional fermented black beans, belonging to the technical field of bioengineering. The strain is separated and purified from traditional fermented black beans, is named Bacillus amyloliquefaciens by taxonomic identification, and is collected by China Center for Type Culture Collection on December 10th, 2014; and the collection number is CCTCC M2014638. The fibrinolytic-enzyme-producing Bacillus amyloliquefaciens strain is easy to culture, and has the advantages of high production safety and favorable hereditary stability. The enzyme activity of the strain liquid after fermentation and culture is up to 324.6-410.2 IU / mL. The metabolite fibrinolytic enzyme can be easily separated and purified. The separation of the strain lays foundation for implementing scientific axenic culture in traditional fermented black bean industry.

The invention discloses a method for breeding cordyceps militars strain, which comprises the steps of uniformly mixing the cordyceps militars spore suspension with a basic culture medium lack of nutrition, pouring a layer of basic culture medium after the mixture of the cordyceps militars spore suspension and the basic culture medium lack of nutrition is coagulated, and pouring a layer of nutritious culture medium on the second coagulated culture medium, then performing inverted culture, and selecting the bacterial colony of cordyceps militars monad with excellent characters in the inverted culture process. In the invention, a great number of cordyceps militars spores with inferior character and low activity are eliminated through the selection of the culture medium layer by layer, leaving the pure cordyceps militars with superior character and high activity; therefore, the screening workload is decreased greatly, the bacterial colony with superior character can be more conveniently selected in the subsequent experiments, and the screening efficiency is improved effectively.

The invention discloses a method for breeding a high-quality anti-mite bee variety. The method is characterized by comprising the following steps of: 1) selecting breeding materials, wherein 'jiangshan No.2' Italian bees with relatively high royal jelly yield, France pure Italian bees with high honey production performance and healthy local Chinese bees with high anti-mite performance are selected as species introduction objects according to a series of indexes such as anti-mite performance, productivity and vitality; 2) breeding the anti-mite bee variety, wherein breeding drones are selected from the jiangshan No.2, selecting a bred jiangshan No.2 virgin queen bee according to the requirements of honey bee biology and inheritance breeding characteristics, and performing the artificial fertilization and cross breeding between the breeding drones and the bred jiangshan No.2 virgin queen bee so as to obtain a jiangshan No.2 bee variety with high production performance and disease resistance, using the jiangshan No.2 bee variety as male parents and using the pure Italian bees which are introduced from France and have high honey production performance as female parents; and 3) since breeding starts in spring, detecting and cutting off pupae of the France Italian bees every other 7 days till the breeding ends. The method can solve the problem that bee colonies are jeopardized by bee mites for beekeepers and improve breeding speed of the bee colonies and the yield and the quality of bee products.

The invention involves a microbial feed additive and its prepare methods which improveboar fecundity, it is characterized by:lactic acid lactobacillus and bacillus subtilis which are optimized make the products rich in beneficial microbios and variety of active metabolite through the means of combining pedigree breed fermentation and composite fermentation. The advantages of the invention are maintaining boar body health,repairing tissue injury, improving the fecundity and the body immune function, thus making the boar maintain strong sexuality and produce high grade semen, extending boar life, and nontoxic, nonpersistent and the use is convenience.

The invention discloses a pure breeding method for soft-shelled turtles. Soft-shelled turtle fries, soft-shelled turtles cultured in an outdoor storage pond, soft-shelled turtles cultured in a factory greenhouse and fertilized eggs of the soft-shelled turtles are purified, rejuvenated and selected for many times by multiple steps, and meanwhile, each culture condition is controlled; the soft-shelled turtles are multi-generationally bred and cyclically selected. According to the method, a temperature and periodical humidity combination control method is adopted for an artificial incubation process of the fertilized eggs, the purity of second-generation soft-shell turtle generations purely bred by the method reaches more than 98 percent, the purity of third-generation soft-shell turtle generations purely bred by the method is higher than 99.5 percent, and the shape similarity, the uniformity, the resilience, the growth speed and the yield per unit of soft-shelled turtle individuals are remarkably improved.

The invention provides a breeding method of special wild pigs. The breeding method of the special wild pigs includes: selecting a purebred Changbai mountain wild boar as a male parent, selecting a lean type sow as a female parent, hybridizing the purebred Changbai mountain wild boar and the lean type sow, and then mating a boar which has 62.5% of special wild pig blood and a sow which has 62.5% of the special wild pig blood in crossing fixed mode so as to obtain the special wild pigs which have 62.5% of the special wild pig blood and high in quality. By using the breeding method of the special wild pigs, the obtained special wild pigs have the advantages of being high in growth speed, good in adaptability, strong in disease resistance and rich in nutriment.

The invention discloses a recessive white feather Beijing fatty chicken breeding method. The recessive white feather Beijing fatty chicken breeding method comprises the following steps: firstly, hybridizing purebred Beijing fatty female chickens with recessive white feather male chickens to obtain an F1 generation, secondly, crossing the F1 generation to obtain an F2 generation, thirdly, selecting fine quality white feather female chickens from the F2 generation to backcross the fine quality white feather female chickens with the purebred Beijing fatty male chickens to obtain an F3 generation, fourthly, crossing the F3 generation lou to obtain an F4 generation lou, fifthly, selecting a white feather crested F4 sub lou from the F4 generation lou and conducting crossing to obtain an F5 generation crested white feather Beijing fatty chicken sub lou, meanwhile, selecting a white feather bearded F'4 sub lou from the F4 generation lou and conducting crossing to obtain an F'5 generation bearded white feather Beijing fatty chicken sub lou, sixthly, conducting reciprocal hybridization on the F5 generation sub lou with the F'5 generation sub lou to obtain an F6 generation lou, seventhly, picking white feather chickens with all crested, breaded, feather-legged and five-toed features, persevering breeds of the picked chickens and conducting crossing to obtain an F7 generation, eighthly, close-breeding the F7 generation to obtain recessive white feather Beijing fatty chickens. The recessive white feather Beijing fatty chickens are high in growth speed and good in meat quality.

The invention provides a method for cultivating green-shell-egg black-feather black-bone chicken. The method includes the following steps that 1, purebred Dongxiang black-feather green-shell egg chicken serve as female parents, purebred Taihe silky black-bone chicken serve as male parents, the female parents and the male parents are hybridized to generate F1 generations, full-black male and female individuals with the full-black feathers and the black-color characteristics in the F1 generations are selected and remained; 2, the male and female individuals selected and remained in the step 1 are transversely mated and propagated, and individual recording and family breeding are permitted; 3, according to the compatriot selection method, the family selection method and the individual selection method, black-feather, black-color-characteristic and full-black hens generating green shell eggs at the same time are selected and remained in F2 generations generated in the step 2, and black-feather, black-color-characteristic and full-black cocks capable of allowing the hens to generate green shell eggs are selected and remained in the F2 generations; 4, the male and female individuals selected and remained in the step 3 are transversely mated and propagated and bred for 5 generations to 6 generations, and black-feather black-bone chicken generating green shell eggs are cultivated.

The invention discloses a production method of a traditional Chinese medicine chicken feed, which comprises the steps of: 1, preparing a base feed; 2, preparing Chinese medicinal herb powder or concentrated solution; and 3, adding the Chinese medicinal herb powder or concentrated solution into the base feed and uniformly stirring. Meanwhile, the invention also discloses a production method of a black bone chicken egg with effects of regulating internal secretion of human body and removing spots and beautifying and protecting health, which comprises the following steps of: 1, selecting a healthy and purebred Taihe original black bone chicken seedling, feeding with a common feed for 110-120 days to ensure that the black bone chicken seedling grows to a healthy expectant layer; 2, feeding with the traditional Chinese medicine chicken feed for three times of morning, noon and night, wherein the feeding amount of each chicken every day is 0.1-0.15kg; and 3, feeding until about 450 days andthen stopping feeding with the traditional Chinese medicine chicken feed, and discarding the chicken. The black bone chicken egg produced by adopting the method has effective components of rich protein and multiple amino acids and the like, especially rich in cysteine, and has the effects of regulating internal secretion of human body and removing spots and beautifying after eaten by people.

A process for preparing the organic microbial fertilizer for the saplings of sub-tropical tree includes such steps as respecrive fermenting of 6 microbes (Paenibacillus polymyxa, Bacillus meg aterium, Bacillus subtitis, Bacillus licheniformis, Rhodospseudomonas sphhaerioide, etc), proportionally mixing their fermented liquid, proportionally mixing humus, stacking, fermenting while tuning over every week, proportionally mixing natural minerals, stirring and baking.

The invention relates to a breeding method of colourful rabbits. The method comprises the following steps of: (1) breeding a pure breeding colourful rabbit for four generations to generate special strains, and selecting a colour male rabbit from the special strains; (2) selecting a female rabbit from white rabbits; and (3) crossbreeding the selected colour male rabbit and female rabbit to generate offspring which have the hair colour of the colourful rabbits, and thus obtaining the colourful rabbits which have the hair colour of the colourful rabbits and uniform hair colour. In the method, the colourful rabbit is crossbred with the white rabbit with excellent production property and the colourful hair colour gene of the rabbit is dominant to the white gene, so the hair colour of the generated offspring accords with that of the colourful rabbit and is uniform. At the same time, because white rabbit has excellent production property, the rabbits with high-quality skin can be generated, the meat production property due to hybrid advantages can be improved and the added value of the rabbit skin is improved.

The invention discloses a method for select-breeding anti-virosis Bombyx mori varieties by using Thailand Bombyx mori disease-resistant gene. The method comprises the steps of: selecting the present Bombyx mori varieties of 871 and 872 used both in spring and autumn in China as female parent and using the introduced Thailand tropical disease-resistant variety NL as male parent; respectively hybridizing and leading-in the disease-resistance gene; hybridizing second generation and third generation silkworm and respectively adopting mixed batches rearing for breeding; hybridizing each generation beginning from a second age and screening by adopting 'population feeding' NPV (nuclear polyhedrosis virus) and a method with the concentration of virus feeding 'increasing age by age in a gradient way'; taking the Bombyx mori varieties 871 and 872 as recurrent parent, respectively adopting reserve seed antivirus silkworm individual to backcross, using a method of the combination of 'backcrossing introduction' and 'generation directed virus feeding screening breeding' to obtain an NL pure and mild system with comparatively stable genetic character by a plurality of backcrosses and virus feeding screening. In the process of select-breeding, various economic characters and production properties of the system are consolidated and improved and the objects of pure breeds of 871NL and 872NL are bred. The obtained antivirus Bombyx mori variety has good economic characters, is sturdy and easy to keep.

The method for preparation of hydrolytic enzyme preparation used for improving gas-producing rate of marsh gas fermentation belongs to preparation of supplementary exoenzyme used for marsh gas fermentation. The invention is to provide a method for preparation of hydrolytic enzyme preparation used for improving gas-producing rate of marsh gas fermentation, which has the production bacteria with the following enzymatic vitality index: selecting wheat bran and rice bran as mixed culture medium, obtaining mixed bran seeds by pedigree breed two-stage enlargement culture of the bacteria with solid method, fermenting for 3-4 days at 28 DEG after evenly mixed, sampling and analyzing every enzymatic vitality index, adding commodity enzyme preparation to reach enzymatic vitality index, and airing until the humidity is lower than 5%. The enzymatic vitality index of the prolease in the said mixed bran seeds is not more than 2000+-5% mug tyrosine / g / min. The bacteria can be obtained by bacteria and fungus separated from different environment. The test proves that when hydrolytic enzyme preparation is input into the methane tank fermentation raw materials, the rate of dissolution and degradation of the marsh gas fermentation raw materials can be improve, and the gas-producing rate of marsh gas fermentation, TS and VS gas-production potential and methane content in marsh gas can be increased.

The invention relates to a food for people living requirement, in particular to a north China lobster sauce series and a manufacturing method thereof, which is made from soybeans, peeled peanuts, almonds, fresh gingers, green peppers, various diced melons and vegetables, cooked diced meat (such as pork, beef, chicken, fish and shrimp meat, etc.), salty, sour and sweet flavorings, flour and pure mildew strain. When being manufactured, the soybeans are soaked and cooked; the flour with strain is mixed with the soybeans; natural bacterial colonies and the strain are compounded for producing leaven, the produced leaven is dried, and then spore mycelium is scoured off, and the natural bacterial colonies and the strain are poured into a jar; the mashed fresh gingers, the green peppers in small cluster and the cooked peanuts and the almonds are put into the jar, water and slat are added to be mixed uniformly, and the jar is sealed and put in a ferment room to be fermented under constant temperature for more than two months; after the jar is unsealed, a product is poured out and portioned, the sour and sweet flavorings, the diced melons and vegetables and the cooked diced meat are respectively added. The product is packed by soft and hard cans and is sterilized by high temperature, and the north China lobster sauce series with low salt, intense and delicious taste and multiple flavors are obtained.

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.

The invention discloses a method of making mature vinegar through solid state fermentation of intensified multi-microorganism mouldy bran and yeast for making hard liquor as a mould starter. The method comprises the following steps of: step (1). firstly mixing the yeast for making hard liquor as the mould starter with a bran culture medium subjected to steaming treatment for accumulation, promoting the spore germination, then inoculating a culture medium with bran, rice hull, soybean meal, graham flour and water as raw materials, and producing the intensified mouldy bran through the starter propagation by mechanical ventilation; and step (2). carrying out alcoholic fermentation and high temperature solid acetic fermentation by using sorghum and bran as main raw materials, chaff and rice hull as auxiliary materials, and traditional yeast for making hard liquor, the intensified multi-microorganism mouldy bran and pure mouldy bran as leavening agents, smoking unstrained liquor, pouring vinegar and ageing to form the mature vinegar. The intensified multi-microorganism mouldy bran is simple in production process, is the same as the pure mouldy bran in terms of place and equipment and the like for production, and can be produced without additional equipment; and the production cycle of the intensified multi-microorganism mouldy bran is greatly shortened than that of the yeast for making hard liquor.