30 results about "Spotted pig" patented technology

The invention discloses a preserved spotted pig pork preparation method and preserved spotted pig pork. According to the preserved spotted pig pork preparation method, deep processing is implemented on Ningxiang spotted pig pork which is taken as a main raw material, and the preparation method comprises the following steps: raw material selection; preprocessing; preserving; roasting; cooling; inspecting, packaging and detecting to be qualified to obtain a finished product. The preserved spotted pig pork comprises such components as Ningxiang spotted pig pork and a preserving accessory, wherein the preserving accessory is a mixture of edible salt, sodium nitrite and pepper. The preparation method disclosed by the invention is simple and easy to implement, and the preserved spotted pig pork prepared by the method is attractive in color and reserves special flavor of Ningxiang spotted pig pork. By soaking the pork in the preserving accessory, color, aroma and taste of the finished preserved spotted pig pork are enriched. The preserved spotted pig pork prepared by the method is small in volume, light in weight, and convenient to transport and carry; in addition, the preserved spotted pig pork, which is low in water content, can be stored for a long time.

The invention discloses a method for improving southern Anhui spotted pigs. The method comprises the following steps: with a southern Anhui spotted sow as a female parent and a Tai lake erhualian boar as a male parent, carrying out hybridization to breed cross uni-generation southern Anhui-Tai lake sow; and with the cross uni-generation southern Anhui-Tai lake sow as a female parent and a Berkshire boar / Duroc boar as a male parent, carrying out hybridization to generate the improved piglet. The piglet obtained by the technical scheme has short raising cycle, the slaughtered raw meat skin is thin and the lean parentage is high.

The invention relates to the technical field of quick-frozen foods, in particular to green pepper and capsicum frutescens spotted pig meat steamed stuffed buns and a making method thereof. According to the green pepper and capsicum frutescens spotted pig meat steamed stuffed buns and the making method thereof disclosed by the invention, the formula and the proportion of steamed stuffed bun wrappers and the steamed stuffed bun fillings are uniquely designed, and targeted processing is performed, so that the quick-frozen steamed stuffed bun wrappers are not liable to age and resistant to store.As for the steamed stuffed bun fillings, Ningxiang spotted pig pork is combined, so that the steamed stuffed bun fillings have the effects of being fresh, fragrant, refreshing, hot, tender and smoothin meat quality, aromatic in meat taste, and fat but not greasy, the characteristics of Huxiang foods can be well prominent, and the blank of applying a local featured product in Hunan namely Ningxiang spotted pig meat to the field of quick-frozen foods is filled. In the making process of the green pepper and capsicum frutescens spotted pig meat steamed stuffed buns disclosed by the invention, themechanization degree is high, the quality controllability degree in the production process is high, the production efficiency of meat steamed stuffed buns can be further improved, and besides, the quality stability of products can be improved, so that the green pepper and capsicum frutescens spotted pig meat steamed stuffed buns have good use value and good economic significance.

The invention discloses a multiplication-strain breeding method for commercial pigs, and a suckling pig and roast suckling pig. The multiplication-strain breeding method of the commercial pig comprises the following steps: (1) taking Berkshire pigs as a female-parent male line of a multiplication strain, taking Qianshao spotted pigs as a female-parent female line of the multiplication strain, andcarrying out hybridizing to obtain female parents; and (2) taking big white pigs as a terminal male line, and selecting the female parents for hybridization, so as to obtain the commercial pigs. Differences of three populations are gathered, so that the heterosis on a single quantity trait is larger, the bred commercial pigs have high adaptability, the meat quality is good, the slaughter rate is high, the ratio of lean to fat is 1:1, and the bred commercial pigs are suitable for processing roast products.

The invention provides a fermented feed special for Liusha-river spotted pigs. The fermented feed comprises a component A and a component B, wherein a fermentation strain is added into a mixture of the component A and the component B to form the feed; and the component A comprises the following components in parts by weight: 31-61 parts of corn, 12-18 parts of wheat bran, 5-10 parts of rice bran, 6-18 parts of bean pulp, 25-35 parts of bean dreg, 0.2-1 part of a microbial preparation and 3-8 parts of a premix. By adopting the scheme, the feeding effect of the feed is obvious, and the cost is low.

The invention discloses a breeding method of improved spotted pigs. The method comprises the steps of improved hybridization, livestock farm selection and disinfection, newborn suckling pig management, piglet feeding management, medium-sized and large pig feeding management, fattened pig feeding and management, and disease prevention and control. According to the method, the quality of a next generation is improved through hybridization of Ningxiang spotted pigs and Duroc male pigs, different feed is given in the breeding process according to different growth stages of the spotted pigs, feeding modes are different in different stages, the feed conversion rate is increased, the meat quality is improved, and feed investment is reasonably reduced; traditional Chinese medicine powder is added into the feed, the raw materials are scientific in compatibility, and meanwhile, various Chinese herbal medicines have a good coordination effect so that the immunity and morbidity of pig bodies can be effectively improved, and application of antibiotics is reduced.

The invention discloses a massage and exercise device capable of improving pork quality of Wannan spotted pigs, and the massage and exercise device comprises a feeding table, a fixed table and an exercise platform assembly; the feeding table is a rectangular table, the top surface of the feeding table is recessed to form a rectangular feeding trough, a storage trough is formed at the inner bottomof the feeding table, a plurality of conveying channels communicating with the storage trough and the feeding trough are further arranged in the feeding table, a feeding pipe used for adding feedstuffto the storage trough is arranged at one end of the feeding table, a sealing mechanism is arranged at an opening of the top end of the feeding table, a pressurizing mechanism used for feeding the feeding trough is arranged in the storage trough, the fixed table is arranged on one side of the feeding table, the top surface of the fixed table is a bevel, the top end of the side, close to the feeding table, of the fixed table is the highest and is arranged as high as the feeding table, and the exercise platform assembly is arranged on one side, opposite to the fixed table, of the feeding table.The massage and exercise device capable of improving the pork quality of the Wannan spotted pigs in the invention has the advantages that the structure is simple, the pigs can be conveniently massaged, pig exercising is facilitated, environmental protection and health are achieved, and manpower is effectively saved.

The invention relates to the technical field of breeding of Ziyun county spotted pigs, in particular to a Ziyun county spotted pig breeding method. The breeding rate of Ziyun county spotted pigs can be improved through breed selection, hybridization and farrowing processing steps, the litter size of primiparity is up to 5.6 + / - 1.14, the multiparity is up to 8.2 + / - 0.76, and the conception rate of sow hybridization is up to 90% or above, so that the weight of newborn piglets is increased, and the survival rate is improved.

The invention relates to a hybrid production method of high-quality pigs, and belongs to the field of genetic breeding of animals. Duroc pigs are adopted as male parents, Guangdong small-ear spotted pigs are adopted as female parents, then the first-filial generations which are Duroc-spotted binary hybrid pigs are adopted as female parents, Tibetan pigs are adopted as male parents, and hybridization is performed so as to obtain the high-quality pigs finally. The high-quality pigs inherits a high growth rate and a high feed utilization rate of the American Duroc pigs, adaption to high-temperature and moist environments, high fertility, good suckling performance of sows and a long service life of the Guangdong small-ear spotted pigs, good pork quality of the Tibetan pigs and other excellentqualities. It is shown through tests on reproductive performance, growth performance, slaughter performance and pork quality performance that the high-quality pigs have the following advantages of high reproductive power, large size, fast growth and development, a high feed utilization rate, a high rate of lean pork, good pork quality, fresh and tender pork, unique flavor and suitability for popularization and feeding.

Provided is the fillet processing technology for local spotted pig spicy series. The technology comprises the steps of selecting fresh lean of Ningxiang local spotted pigs as a raw material; arranging the lean into a freezer at 0-5 DEG C for refreshment; cutting the defrosted lean into sheet-shaped lean fillets; mixing the fillets with the ingredients of grain alcohol of high quality, edible salt, white sugar, pepper and sesame oil for the first time; soaking the fillets for thirty minutes, attaching the soaked fillets evenly to a stainless steel mesh plate and arranging the fillets in an oven for baking, steaming the fillets after baking, mixing the fillets with the ingredients of advanced vegetable oil, hot pepper, cumin, Chinese read pepper and sesame for the second time, soaking the fillets for thirty minutes; cooling the fillets after the second soaking, filtering oil of the fillets, conducting ultrasonic disinfection and sterilization on the fillets after cooling and oil filtering, packing the fillets through a packing machine, encasing the fillets, conducting ultrasonic disinfection and sterilization again, and conducting inspection and delivery. By means of the fillet processing technology for local spotted pig spicy series, pure green and healthy foods without any preservatives and chemical addition agents are provided, the foods are spicy and delicious in taste and convenient to carry, can be consumed at any time, and meet the requirement of consumers in various industries and various fields.

The invention relates to the technical field of a production technology of spotted pig meatballs, and discloses a producing and making technology of spotted pig meatballs. The producing and making technology of spotted pig meatballs comprises the following steps of a first step, preparing pork raw materials and auxiliary materials: preparing 500g of pork, 100-200g of water, 100g of brash ice, 50-80g of starch, 5-10g of edible salt, 0.1g of ethyl malt, 5-10g of bruised ginger and 5-10g of scallions, wherein the proportion of lean meat to fat meat of the pork is 7 to 3; and a second step, pretreating the pork: firstly cutting the pork into slices through a meat slicer, and then rinsing the pork slices with the water. According to the producing and making technology of spotted pig meatballs,wheat chopped meat is mashed, only the starch, the water and the edible salt are added, after mashing is completed, a minor quantity of the auxiliary materials of the ethyl malt, the bruised ginger, the scallions and the like are added, mixing and stirring are performed, and the auxiliary materials of the ethyl malt, the bruised ginger, the scallions and the like are guaranteed not to be influenced by mashing temperature, so that the taste of later-stage meatballs cannot have large changes due to processing of machine equipment, and the made spotted pig meatballs can maintain inherent flavor.

An ecological breeding method of South Anhui spotted pigs comprises the steps as follows: S1, two pigsties are arranged for each South Anhui spotted pig and communicated through an isolation passage,and bells are arranged on the pigsties; S2, when the South Anhui spotted pig is in one pigsty, feed is put in a trough of the other corresponding pigsty and the bell in the pigsty makes sound; the South Anhui spotted pig is driven to enter the other corresponding pigsty to eat, and belling is stopped until the South Anhui spotted pig enters the other corresponding pigsty to eat; S3, after the South Anhui spotted pig eats up all feed in the other corresponding pigsty, feed is put in a trough of one pigsty and the bell in the pigsty makes sound, the South Anhui spotted pig is driven to enter thepigsty to eat, and belling is stopped until the South Anhui spotted pig enters the pigsty to eat; S4, the S2 and the S3 are repeated until the South Anhui spotted pig produces conditioned reflex to eat automatically. With the adoption of the method, the South Anhui spotted pigs can be promoted to eat and the growth speed can be further increased; meanwhile, lean meat production is promoted and the pork quality is improved.

The invention provides a rapid and accurate coat color trait fixing method and a rapid breeding method for a new black pig variety. The rapid and accurate coat color trait fixing method comprises thefollowing steps: firstly, observing and counting male parent, female parent, F1 generation and F2 generation coat color phenotypes and proportions of the bred black pig variety to determine that coatcolor inheritance of the variety belongs to single-gene control; secondly, screening genes for controlling the coat color, and preliminarily determining a major gene (the major gene of black coat is an MC1R gene); then performing extraction, amplification and sequencing to obtain the genotype of the major gene (the F2 generation genotype black homozygote is E<D1>E<D1>, the heterozygote is E<D1>E and the black and white spotted pig is EE), and meanwhile, determining that the hair color of the cultivated variety is dominant heredity under single-gene control; and finally, breeding blackpigs with black homozygote (E<D1>E<D1>) genotypes reserved in the F2 generation so as to fix the coat color in the F3 generation. The rapid and accurate coat color trait fixing method and the rapid breeding method overcome the defects of long consumed time and low purity of conventional phenotypic breeding, and have the advantages of fast breeding process, high breeding accuracy and the like.

The invention belongs to the technical field of feed manufacturing, particularly relates to spotted pig feed manufacturing equipment for mixing and a mixing method of the spotted pig feed manufacturing equipment, and provides the following scheme aiming at the problems that local feed in the inner wall of a mixing box is not mixed, the mixing effect of the feed is poor and the growth of spotted pigs is affected due to the fact that the stirring frequency of a mixing mechanism is consistent during stirring. Comprising a base, supporting legs and a mixing box, the supporting legs are fixed to the outer wall of the top of the base through bolts, and the supporting legs are fixed to the outer wall of the bottom of the mixing box through bolts. In the stirring process through the arranged stirring rod, the stirring rod vibrates up and down under the action of the limiting spring, then the scraper and the stirring fan blades are driven to stir feed, the vibration frequency and amplitude of the vibration stirring mode change according to different distribution densities of the feed, the stirring range is expanded, and the stirring efficiency is improved. The situation that local feed is not stirred is avoided, the feed mixing effect is improved, and growth of the spotted pigs is promoted.

The invention discloses a breeding method for improving the growth performance of Ziyun Zongdi spotted pigs. From the 15 th day, the running distance of piglets every day is 0.5-1.5 km, the piglets are fed four times every day, wherein the feeding time is 05:00-06:00, 10:00-11:00, 15:00-16:00 and 19:00-20:00 respectively, and at 12:00-14:00, a complete shading measure is implemented on a pig house; after 22:00, the pig house maintains a dark state; the piglets are intentionally organized to exercise, and the exercise time is 08:00-09:00 and 17:00-18:00 respectively. According to the breeding method for improving the growth performance of the Ziyun Zongdi spotted pigs, it takes merely 6-8 months to feed the newly-born piglets to 75 kg which reaches the slaughtering standard, and half the breeding time is saved. Compared with a traditional piglet breeding method, the breeding method for improving the growth performance of the Ziyun Zongdi spotted pigs preserves the characteristics of pork of being bright red and tender, fragrant in meet flavor and glutinous in skin, tender in muscle fiber, high in protein, low in fat and calorie, and rich in the contents of multiple trace elements like lecithin and glutamic acid, and since the breeding time is shorter, the breeding benefit is increased.

The invention relates to the technical field of southern Anhui spotted pig breeding, and discloses waste resource recycling equipment for southern Anhui spotted pig breeding. A method comprises the following steps that firstly, a pig house is bred in the mode that padding is laid on the ground; the used padding is mixed with straw collected near a pig house or in a farmland of the pig house and other organic materials through mixing equipment for high-temperature aerobic composting; step 2, performing post-fermentation on the material subjected to high-temperature aerobic composting, recycling one part of the material as padding, and selling the other part of the material as organic fertilizer or applying the other part of the material to a hog house own farmland; thirdly, corn straw silage generated in the farmland serves as pig feed, crop straw and used padding are mixed, and high-temperature aerobic composting in the first step is carried out; and 4, removing large-particle impurities from the excrement generated by the hog house through a grating, and then carrying out solid-liquid separation treatment. Segmented and staged treatment is carried out, useful resources in the feces are recycled as far as possible, the treated sewage meets the farmland irrigation requirement, the investment is small, the operation cost is low, and the process is simple.

The invention discloses a method for improving southern Anhui spotted pigs. The method comprises the following steps: with a southern Anhui spotted sow as a female parent and a Tai lake erhualian boar as a male parent, carrying out hybridization to breed cross uni-generation southern Anhui-Tai lake sow; and with the cross uni-generation southern Anhui-Tai lake sow as a female parent and a Berkshire boar / Duroc boar as a male parent, carrying out hybridization to generate the improved piglet. The piglet obtained by the technical scheme has short raising cycle, the slaughtered raw meat skin is thin and the lean parentage is high.

The invention belongs to the technical field of livestock breeding, and particularly relates to a Guangdong small-ear spotted pig gestation period feeding method for promoting development of offspringmuscle. According to the development characteristics of pig fetuses and uterus contents thereof, the Guangdong small-ear spotted sow gestation period is divided into six specific periods, and the feeding amounts of the six periods are determined respectively; meanwhile, two gestation materials in the early gestation period and the later gestation period are combined to replace a previous North America and domestic step-by-step mode and a European low-high-low-high feeding mode, and accurate feeding is implemented, so that the reproductive performance of sows is optimized. Related data supportand theoretical guidance are provided for establishing reasonable feeding amounts at different stages of the local pig gestation period in China.

The invention relates to the technical field of food processing and discloses a bone saw for spotted pig pork processing and a processing method for the bone saw. The bone saw comprises a machine base, wherein a worktable is fixedly mounted at the top of the machine base, a saw wheel house is fixedly mounted at the top of the back face of the machine base, an upper wheel is movably mounted in theinternal cavity of the top of the saw wheel house, a lower wheel corresponding to the upper wheel is movably mounted inside one side, close to the saw wheel house, of the machine base, a saw blade ismovably nested between outer rings of the upper and lower wheels, an accommodating chamber is formed inside the machine base located at a lower half of the lower wheel, the lower wheel comprises a front wheel plate and a rear wheel plate, the front wheel plate and the rear wheel plate are coaxially bonded, an annular saw groove is formed at middle positions of outer rings, and a scraping ring is movably mounted at a position, located between the front wheel plate and the rear wheel plate, of an inner ring of the annular saw groove. By utilizing a separate design of the lower wheel and being matched with structures such as internal transmission, the effect and efficiency of cutting are improved, and meanwhile, the service life of the saw blade can be longer.

Provided is the fillet processing technology for local spotted pig spicy series. The technology comprises the steps of selecting fresh lean of Ningxiang local spotted pigs as a raw material; arranging the lean into a freezer at 0-5 DEG C for refreshment; cutting the defrosted lean into sheet-shaped lean fillets; mixing the fillets with the ingredients of grain alcohol of high quality, edible salt, white sugar, pepper and sesame oil for the first time; soaking the fillets for thirty minutes, attaching the soaked fillets evenly to a stainless steel mesh plate and arranging the fillets in an oven for baking, steaming the fillets after baking, mixing the fillets with the ingredients of advanced vegetable oil, hot pepper, cumin, Chinese read pepper and sesame for the second time, soaking the fillets for thirty minutes; cooling the fillets after the second soaking, filtering oil of the fillets, conducting ultrasonic disinfection and sterilization on the fillets after cooling and oil filtering, packing the fillets through a packing machine, encasing the fillets, conducting ultrasonic disinfection and sterilization again, and conducting inspection and delivery. By means of the fillet processing technology for local spotted pig spicy series, pure green and healthy foods without any preservatives and chemical addition agents are provided, the foods are spicy and delicious in taste and convenient to carry, can be consumed at any time, and meet the requirement of consumers in various industries and various fields.

The invention discloses a massage and exercise device capable of improving pork quality of Wannan spotted pigs, and the massage and exercise device comprises a feeding table, a fixed table and an exercise platform assembly; the feeding table is a rectangular table, the top surface of the feeding table is recessed to form a rectangular feeding trough, a storage trough is formed at the inner bottomof the feeding table, a plurality of conveying channels communicating with the storage trough and the feeding trough are further arranged in the feeding table, a feeding pipe used for adding feedstuffto the storage trough is arranged at one end of the feeding table, a sealing mechanism is arranged at an opening of the top end of the feeding table, a pressurizing mechanism used for feeding the feeding trough is arranged in the storage trough, the fixed table is arranged on one side of the feeding table, the top surface of the fixed table is a bevel, the top end of the side, close to the feeding table, of the fixed table is the highest and is arranged as high as the feeding table, and the exercise platform assembly is arranged on one side, opposite to the fixed table, of the feeding table.The massage and exercise device capable of improving the pork quality of the Wannan spotted pigs in the invention has the advantages that the structure is simple, the pigs can be conveniently massaged, pig exercising is facilitated, environmental protection and health are achieved, and manpower is effectively saved.

The invention relates to a method for efficiently transfecting the spermatid of a Ningxiang spotted pig with a lentiviral vector containing a human SLC3A2 gene. The method comprises the following steps: amplifying the human SLC3A2 gene by using a PCR method; connecting the sequence fragment of the target gene SLC3A2 to a LV5 vector by using genetic engineering technology so as to construct a gene recombinant vector; and subjecting the lentiviral vector containing the human SLC3A2 gene and the spermatid of the Ningxiang spotted pig to incubation. An immunofluorescence method and a semi-quantitative PCR method are employed for detecting exogenous gene transferring efficiency of incubation of the lentiviral vector and spermatid under different conditions; and a microscopic method is used for detecting the vitality of the spermatid of lentiviral vector-spermatid coincubation under different conditions.

The invention relates to the technical field of food machinery, and discloses a dicing machine for processing frozen pork of spotted pigs and a processing technology thereof. The dicing machine comprises a bottom frame, slicing cavities and a motor; the slicing cavities are located over the bottom frame and are symmetrically arranged; the middle of the bottom frame is movably sleeved with a centertransmission shaft, and the center transmission shaft is fixedly sleeved with a gear; the bottom end of the center transmission shaft is fixedly connected with the motor; and transmission gear sets are evenly and movably installed on the bottom frame and located on the same horizontal plane as the gear on the center transmission shaft. Through the arrangement of a conveying device, frozen pork islaterally clamped, the gravity is counteracted, the frozen pork is prevented from sliding and is limited, the situation that a slicing knife is broken due to shaking during cutting is prevented, thecutting efficiency of the slicing knife is improved, and meanwhile the safety of the slicing knife is improved; and meanwhile, due to the fact that a special-shaped box communicates with the outside,frozen meat can be continuously added and diced, the equipment continuously runs, the turn-off and restart frequency is reduced, and the dicing efficiency is improved.

The invention discloses a Ziyun spotted pig feed formula. The Ziyun spotted pig feed formula comprises a piglet stage feed and a fattening stage feed, wherein the piglet stage feed is divided into twokinds of feeds namely a nursing early stage feed and a nursing later stage feed; and the fattening stage feed is divided into four kinds of feeds namely a piglet feed, a medium pig feed, a large pigI stage feed and a large pig II stage feed. Piglets fed with the piglet stage feed are red in skin, bright in hair, free from diarrhoea and high in growth speed, and the feed is good in palatability and high in digestibility. Ziyun spotted pigs fed with the fattening stage feed are high in growth speed, the feed conversion rate is low, and the meat making cost is low.

The invention discloses a Fu'an wild spotted pig breeding method. The method is as below: with a Fu'an spotted pig as a female parent and a Fu'an local special wild boar as a male parent, and conducting cross breeding to obtain the Fu'an wild spotted pig, and then feeding the Fu'an wild spotted pig in a grazing mode. The obtained Fu'an wild spotted pig has the advantages of good adaptability, strong disease resistance, crude feed tolerance, suitability for grazing, faster growth, short feeding cycle, and also high carcass lean meat percentage, and high nutritional value and good flavor of the meat. The grazing has the advantages of less investment, fast effect taking, and good economic benefits.

The invention provides a Guanzhuang spotted pig SNP site and an establishment method and an application thereof, and belongs to the field of the animal molecular biological technology and animal genetic breeding. The provided Guanzhuang spotted pig SNP site has the apparent species specificity of the Guanzhuang spotted pig, and has the better development and application prospect, and is stronger in practicability. The Guanzhuang spotted pig SNP site and a detection primer for detecting the SNP site are used for preparing a SNP chip or a detection kit, and the SNP chip or the detection kit is used for the germplasm identification of the Guanzhuang spotted pig, a better detection result is obtained, and better data support is provided for the germplasm identification. The Guanzhuang spottedpig SNP site has the better social value and practical popularization and application value.

The invention discloses a breeding method of a high-fecundity small-ear spotted pig strain. The breeding method comprises the following steps: 1) screening high-fecundity small-ear spotted pig sows in a large group to establish a basic group; 2) expanding propagation and updating of a core group; and 3) locking self-population breeding. The invention belongs to the technical field of breeding of high-fecundity small-ear spotted pigs, and particularly relates to a breeding method of a high-fecundity small-ear spotted pig strain, which comprises the following steps of: accelerating the selection progress by selecting individuals of a core group in a large group and high intensity, selecting excellent individuals in the large group to establish a high-fecundity small-ear spotted pig strain basic group, and breeding the high-fecundity small-ear spotted pig strain basic group. And in the subsequent self-population breeding process, the breeding is carried out by high-intensity selection and reproductive performance expression, so that obvious genetic progress is obtained.

The invention discloses a genetic engineering bacterium for producing recombined pig sterilization protein and construction and application thereof, which belong to the technical field of genetic engineering. An open reading frame 5' end 678bp deoxyribonucleic acid (DNA) segment of a Qianshao spotted pig sterilization protein gene is amplified by aid of the reverse transcription-polymerase chain reaction (RT-PCR) technology, inserted into an escherichia coli expression vector pET32a(+) and transformed into Esherichia coli BL21(DE3), a recombined sub-library is construed, and finally an escherichia coli BL21(DE3)-pET32a(+)-pBPIN(Esherichia coli BL21(DE3)-pET32a(+)-pBPIN)CCTCC M20111252 capable of producing recombined pig sterilization protein is obtained through screening and evaluation. External activity detection on expression products shows that the recombined pig sterilization protein has obvious sterilization effect on Gram negative bacteria.

The invention provides a preparation method of convenient lotus leaf rice flour steamed pork, which comprises powder treatment, pork pickling and lotus leaf pretreatment, and specifically comprises the following steps: (1) powder treatment: adding star anise, Chinese prickly ash, cinnamon, bay leaves and lotus leaves in the powder treatment process, soaking for 10-20 minutes, frying, cooling in the air, and crushing; (2) pickling the pork, namely cleaning and slicing the Ningxiang spotted pig streaky pork with skin, and pickling for 1-2 days for later use; (3) lotus leaf pretreatment: fresh lotus leaves are washed clean, soaked with warm water for 30-60 min, fished out, blanched in hot water for 3-5 min and then cooled for standby application; and (4) preparing steamed pork with rice flour: uniformly wrapping the pickled streaky pork with the rice flour, then uniformly wrapping the streaky pork with the lotus leaves in the step (3), steaming the streaky pork in a steamer for 30-45 minutes, cooling the steamed pork, and performing vacuum packaging to obtain the instant steamed pork with the lotus leaf rice flour for later use. The lotus leaf rice steamed pork prepared by the method disclosed by the invention is good in taste and moderate in viscosity, hardness and chewiness.

The invention relates to the technical field of deep processing of agricultural products, and discloses a device for making spotted pig preserved meat. The device comprises an inner shell, and a circulating cavity loaded with desiccant is formed between the inner shell and an outer shell with an insulating layer, diversion tubes are arranged in the middles of the upper end and the lower end of theinner shell, and the upper end and the lower end of the inner shell are provided with a collection plate and a dispersion cavity respectively. The device for making the spotted pig preserved meat isa household drying oven applicable to the smokeless smoked preserved meat manufacturing technology, the blank of household smokeless smoked preserved meat making is filled up, and heated air is used for drying the preserved meat, so that the taste and color of the preserved meat are closer to those of preserved meat obtained by natural air drying; by means of cooperation of a heating pipe and a multiplier, a small amount of external fresh air drives circulating air in the circulating cavity to enter the oven again, and the utilization rate of energy is increased; on the one hand, rapidly flowing air can take away the heat generated by a heater more quickly, the heating efficiency is improved, and the required heating space is greatly reduced.