146 results about "Attack rate" patented technology

The invention relates to a seedling stage identification method for the resistance of tobacco to the bacterial wilt. The seedling stage identification method comprises the steps of heat preservation pool construction, pool water heating and circulation, wilt bacterium inoculation, tobacco seedling, disease state investigation and grading. The method replaces a conventional field identification result with a seedling stage identification result, identifies a great amount of material in a smaller area, carries out the identification a plurality of times annually, improves the reliability of the result, shortens the identification cycle, saves the site and test cost, and covers little floor space. The seedling stage identification method for the resistance of tobacco to the bacterial wilt is characterized by rapid disease development, good result repeatability, and the like. The seedling stage identification method for the resistance of tobacco to the bacterial wilt can effectively remove the interference on the resistance result caused by soil temperature difference, strain pathogenicity difference, strain quantity difference and other diseases, thereby benefiting the recurrence and comparison of results from different years and different labs. The difference between the attack rates of infection resistant varieties and the disease indexes is obvious; and the appraisal result of the resistance of the variety is basically consistent with the perennial resistance appraisal result obtained by others. The method has greater application potential in the resistance identification and resistance heredity rule study of disease resistant resources and breeding medium materials.

Low-rate denial of service LDoS attack is novel DoS attack. The low-rate denial of service LDos attack transmits periodic pulse attack to a sufferer by utilizing a TCP protocol retransmission time outmechanism. The average attack rate of the LDoS is lower, so the LDoS can evade a traditional detection method. Aiming at the LDoS attack, the invention provides a detection method based on Kalman filtering. The method comprises the following steps: firstly, setting a detection period to sample the flow rate of a suffered terminal; then, carrying out wavelet transformation to sample data and utilizing a wavelet coefficient to extract a waveform trend; afterwards, adopting a Kalman filtering algorithm to take an error value of one-step forecasting and maximum likelihood estimation as an evidence for detecting mutation; and finally, utilizing t hypothesis detection to judge the initiation and the termination of the attack. A test result shows that the method provided by the invention can effectively detect the LDoS attack.

The invention provides a technology for improving the survival rate and promoting quick growth of piglets and is applied to the technical field of pig breeding. According to the technical scheme provided by the invention, embryonic development of sows is good, dead fetuses are a few, birth weight is regular, number born alive is large, sow dystocia incident rate is low and milk of lactating sows is good; the survival rate of suckling piglets is high, and the growth rate is high; the weaning stress of the suckling piglets is small, the attack rate of weaned pigs is low and the growth of the weaned pigs is good. The technology is characterized by comprising a sow gestation technology, a piglet birth technology, a feeding and management technology, a weaning survival technology and a disease control technology. The invention provides the technical scheme systematically on piglet feeding, so that piglet breeding is routinized, digitalized and systematized, the production potential of the sows is fully exerted really, the effects of improving the survival rate and promoting quick growth of the newborn piglets are achieved, the sow feeding cost is reduced, the survival rate of the piglets is improved and the economic benefit of pig breeding is increased.

The invention discloses an artificial seedling rearing method of cucumber seeds, comprising: preparing cucumber seeds; soaking the cucumber seeds for pretreatment; treating the cucumber seeds with an agent; sterilizing the cucumber seeds; sprouting the cucumber seeds; sowing the cucumber seeds. Compared with the prior cucumber seedling rearing technique, the artificial seedling rearing method has seed sprouting rate of 95%-97% and seedling transplant survival rate of 90%-95.5%, seedlings reared grow vigor with developed roots and great disease resistance, attack rate of downy mildew, black spot and powdery mildew during rearing is evidently reduced, transplanted seedlings are high in adaptability, it is also possible to improve cold resistance of cucumber and increase cucumber flowering rate and fruiting rate, harvest yield is high, and economic benefit is good.

The invention discloses an application of a gene marker in diagnosis and treatment of breast cancer. The gene is LINC02544, the invention firstly discovers that expression of LINC02544 in a breast cancer patient is obviously up-regulated, and verification is further carried out through QPCR, so that LINC02544 can be applied to diagnosis of the breast cancer as a biomarker. The invention also discloses that proliferation of breast cancer cells can be effectively inhibited and migration and attack rates of the breast cancer cells can be reduced by reducing expression of LINC02544, so that LINC02544 can be applied to treatment of the breast cancer and shift thereof as a drug target.

The invention mainly provides light source equipment used for treating vagina inflammatory diseases of the gynecology. The light source equipment comprises a shell, a multi-point band-shaped light source, a heat conduction pipe, an air inlet, an air outlet, a cooling device and a rear cover matched with the shell, wherein the multi-point band-shaped light source and the cooling device are arranged at the two ends of the heat conduction pipe, the multi-point band-shaped light source is located in the front transparent end of the shell, and the front transparent end is made to be in an intervention type and can be inserted into the vagina. The light source equipment is convenient for a patient to use, small in overall size and convenient to carry by the patient. In consideration of the right of privacy, the patient can conveniently perform treatment by himself at appropriate time and does not need to be limited by the treatment condition of a hospital, and the light source equipment is small in size and convenient to carry and can fully guarantee the treatment or health care effect of the patient and protect the right of privacy of the patient. In addition, the light source equipment has an obvious effect on microcirculation of the whole pelvic cavity and general care and can effectively reduce the attack rate of the vagina inflammatory diseases.

The invention discloses a dendrobium candidum health-preserving soy sauce, and belongs to the technical field of condiments. The soy sauce disclosed by the invention comprises 85-90% of a basic soy sauce and 10-20% of a Chinese herbal medicine extracting solution, wherein the total percentage is 100%; the Chinese herbal medicine extracting solution comprises the following components in parts by weight: 10-17 parts of dendrobium candidum, 10-15 parts of deep-fried bighead atractylodes rhizomes, 6-10 parts of tree peony bark, 9-14 parts of Chinese yam, 8-12 parts of medicated leaven, 5-10 parts of wrinkled gianthyssop herb, 5-10 parts of fortune eupatorium herb, 5-12 parts of lotus seeds, 6-10 parts of white mulberry root bark, 4-9 parts of platycodon roots and 7-9 parts of heartleaf houttuynia herb. The soy sauce disclosed by the invention is rich in nutrition, mellow in mouth feel and delicious in taste; when the soy sauce is cooked, the appetite of people is improved, and after people eat the soy sauce for a long term, the soy sauce can have the efficacies of reducing blood lipid, reducing the cholesterol of a human body, reducing the attack rate of cardiovascular diseases, preventing cancers, reducing damage of free radicals to the human body, and improving the immunity of the human body so as to achieve the efficacies of enhancing nutrition, and preventing and relieving diseases.

The invention discloses a formula, production method and application of a fermented disease-resistant pig feed. The fermented disease-resistant pig feed mainly comprises the following components: corn, fermented cottonseed meal, fermented soybean meal, processed waste of fermented crayfishes, a polysaccharide immunity reinforcing agent, lysine, calcium carbonate, dicalcium phosphate, sodium chloride, composite vitamins for pigs and composite microelements for the pigs. The formula of the pig feed fully utilizes protein and fat in the fermented cottonseed meal and the processed waste of the fermented crayfishes and reduces the consumption of the soybean meal in the pig feed, so that the cost is reduced, and besides the resource utilization of the processed waste of the fermented crayfishes is also realized; in addition, immunity of the pigs can be improved through astaxanthin contained by the waste of the crayfishes and chitosan oligosaccharide and fungal polysaccharide, which are additionally added, in the feed, so that the feed has a disease resistant effect and can reduce the use of antibiotics in breeding the pigs and observably decrease the attack rate and the mortality rate of the pigs in the application processes of breeding piggies and fattening the pigs.

The invention discloses a mixed feed for ecological pigs. The mixed feed comprises the following components in percentage by weight: 80-85% of a green feed consisting of corn, wheat bran, vegetable bran, green grass, potato leaves and sweep potato vines, 10-15% of Chinese herbal medicines, 3-5% of table salt and 1-3% of trace element mixed liquor. The mixed feed for ecological pigs, disclosed by the invention, uses the green feed as a main raw material according to a certain proportion, and the Chinese herbal medicines and trace elements are added, so that the development of the ecological pigs can be promoted, the resistance of the ecological pigs is enhanced, and the attack rate is reduced; the pork of the ecological pigs is fresh and tender, and the nutrient value is high.

The invention belongs to the technical field of edible fungi cultivation, and particularly relates to a planting method for selenium-enriched black fungi. The method comprises the steps of compost configuration, bagging, sterilization, inoculation, stacking, puncturing and harvesting. According to the planting method for selenium-enriched black fungi, the growth cycle of the black fungi can be shortened by 8-15 d, economic benefits are remarkably improved, meanwhile, the yield of the black fungi is increased, the percentage of contaminating microorganism and the insect attack rate are greatly lowered, and it is detected that the selenium content of the planted black fungi is 6.72-6.89 mg / kg.

The invention provides a breeding method of Luchuan mountain hybrid pigs. The pigs are bred stage by stage, the stages include a lactation stage, a nursing stage, a growth stage and a fattening stage, wherein foods fed to the pigs at each stage are different, and besides, pig houses are also managed. Through the adoption of the breeding method of the Luchuan mountain hybrid pigs, disclosed by the invention, the Luchuan mountain hybrid pigs can be higher in growth speed, bigger in sizes and low in attack rate, and the breeding method is suitable for popularization in the field.

The invention relates to the field of crayfish cultivation, in particular to a method for performing large-scale breeding on freshwater crayfish seedlings. The method is characterized by comprising the step of pond reconstruction, wherein a pond is changed to be a pond body with the width of 20 m and length within 300 m, after sludge in the pond bottom is cleaned, fine sand with the thickness of 30 cm to 50 cm is laid, the position from the pond bottom water draining position to the upstream water inlet position slides upwards according to the 15-degree slope, the deepest water level reaches 1.8 m, the shallowest water level keeps 30 cm, high-stem-tip subaquatic plants are suitable for being planted in the shallow water area, water is injected into the area with the deep water position about 1.8 m and the shallow water area position about 30 cm before seedling feeding by 7 to 10 days, 50 kg broken tea cakes are used in each mu for being soaked in the water for 12 hours, and then the freshwater crayfish seedlings are evenly poured into the whole pond. According to the technical scheme, the method reduces the attack rate and the death rate, the seedling survival rate is high, long-distance transport is facilitated, and the cultivation efficiency is improved.

The invention provides a cultivation method for preventing banana vasicular wilt from spreading among plantations. The cultivation method comprises the steps of determining unit area of an independently isolated banana plantation and arranging isolation furrows around the banana plantation; arranging isolation strips around the furrow edges in the isolation furrows; arranging a banana plantation entrance and laying sterilization layers on roads inside and outside the banana plantation entrance; arranging a farm-oriented road for workers to walk in the banana plantation; and arranging buffer strips on the two sides of the farm-oriented road, wherein the buffer strips are non-host crops that are planted on the two sides of the farm-oriented road and have sterilization effects. According to the technical scheme, the problem that the vasicular wilt is spread out of the banana plantations infected with the disease and spread into banana plantations uninfected with the disease is solved, the spreading speed of the vasicular wilt in banana planting regions is effectively controlled, the vasicular wilt attack rate of a newly-developed banana plantation can be controlled below 10%, and the spreading speed of the vasicular wilt from the banana plantations infected with the disease to the banana plantations uninfected with the disease is greatly reduced.

The invention discloses a method for selecting IDA (intrusion detection agent) start strategies of a wireless sensor network. Aiming at the wireless sensor network adopting a cluster structure and in view of the detection rate and false alarm rate of IDA, data transmission reliability of the wireless sensor network, the success attack rate of attacker and other factors, the method calculates the "attack" probability of a malicious node and the "start" probability of the IDA by virtue of a game model between a "signaling game" establishing node and the IDA so that the benefit of the IDA in the strategy selection between " start" and " not start" is maximized, so as to provide the optimal strategy for determining when to start the IDA. The method not only ensures the safe wireless sensor network, but also enables the IDA not to be in a "start" state all the time, thereby saving energy comsumption used for running the IDA and prolonging the lifetime of the wireless sensor network.

The invention relates to a puffed compound feed capable of reducing the attack rate of frogs and increasing body color of the frogs. The puffed compound feed is prepared from the following raw material components of imported super-steam fish meal, domestic fish meal, imported chicken meat powder, peanut meal, corn protein powder, dehulled soybean meal, flour, calcium dihydrogen phosphate, cholinechloride, soybean oil, soybean phospholipid oil, vitamins for fish, minerals for fish, zeolite powder, composite bacillus and chitosan, and a marigold extract. According to the puffed compound feed, the attack rate can be reduced, the composition can complement with each other, the efficacy can be exerted in a synergistic manner, and besides, a formula of xanthophyll is added, so that improvementof the self disease resistance and the immunity of the frogs is facilitated, and the body color of the frogs is improved.

The invention discloses application of a molecular marker to the diagnosis and the treatment of an oral squamous cell carcinoma. A biomarker is GDPD2; discovered through a qPCR (quantitative Polymerase Chain Reaction) experiment, the expression of a GDPD2 gene in tissue and a cell of the oral squamous cell carcinoma is regulated down; the GDPD2 gene overexpression can inhibit the proliferation of the cell and decrease the attack rate of a carcinoma cell. The invention provides application of an accelerant of the GDPD2 to the diagnosis and treatment of the oral squamous cell carcinoma; meanwhile, the invention also discloses a method for inhibiting the cell from proliferating.

The invention discloses an application of a gene related to a lung cancer. Tumor is lung adenocarcinoma, a differential expression of DNAH14 is first discovered to be related to the occurrence and development of the lung adenocarcinoma, significant increase of the DNAH14 in a lung adenocarcinoma patient is verified by virtue of QPCR, and an in-vitro experiment proves that an expression of silent DNAH14 genes can effectively inhibit the proliferation of the lung adenocarcinoma cells, reduce the migration and attack rate of the lung adenocarcinoma cells, prompt that the DNAH14 gene can be used for the identification and diagnosis of the lung adenocarcinoma cells to evaluate the disease risk of the lung adenocarcinoma of relevant people, and also prompt that the DNAH14 gene can be used as a medicine target to treat the lung adenocarcinoma and metastasis thereof.

The invention discloses a seedling culturing method capable of raising the emergence rate of strawberry seeds. The method comprises the following steps: 1, seed disinfection; 2, seed-soaking treatment; 3, ultrasonic treatment; 4, moisture retention and germination accelerating; 5, seed sowing; 6, field planting of seedlings. According to the method, the seeds are subjected to conventional disinfection in the first place and then placed in an ammonia-resistant azotobacter solution for being subjected to seed-soaking treatment, the germination potential of the seeds and quality of the seedlings are improved, through the soaking treatment through magnetic water, further sterilization and disinfection are conducted on the surfaces of the seeds, the disease attack rate at a later stage is lowered, meanwhile, the physiological status inside the seeds is changed by weak magnetism which the seeds have, and differentiation of buds at the later stage is improved; through the operation conducted on the seeds, namely soaking, airing and further soaking, the external permeability of the seeds is reinforced, neat testa-breakage of the seeds is facilitated, and the percentage of seedling establishment is raised; after the ultrasonic treatment is conducted on the seeds, seed germination and root growth are further promoted. Through the combined action of the treatment method, the germination rate of the seeds is stably maintained over 90%, the seedlings emerge neatly, in addition, the seedling emergence time is shortened by above 30% compared with a common breeding method, and the breeding success rate of a new variety can be raised.

The invention discloses a feed for promoting growth of catfish. The feed consists of the following components in parts by weight: 45-60 parts of rapeseed meal, 2-6 parts of fish meal, 8-27 parts of rice bran, 20-33 parts of wheat bran, 25-30 parts of corn flour, 1-3 parts of yeast powder, 10-12 parts of soybean meal, 5-7 parts of algae powder, 0.2-0.4 part of composite vitamins, 3-5 parts of a growth promoting agent, 0.4-0.8 part of table salt and 1.2-1.6 parts of acidified bone meal. The feed has an obvious effect of promoting the growth of the catfish, can reduce the attack rate of the catfish in the growth process, can improve the immunity of the catfish, can increase the survival rate of the catfish, is reasonable in nutrient compounding ratio, completely meets the eating requirements of adult fish and young fish, is free from addition of hormones and hazardous substances, can improve the meat quality of the catfish, and is pollution-free to environment.

The invention relates to the technical field of fodder making, in particular to a method for preparing cattle fodder with sheep dung as a raw material. According to the method, sheep dung treatment and forage grass treatment are conducted, and then treated sheep dung and forage grass are compounded, so that the prepared cattle fodder is excellent in palatability, abundant in nutrition and capable of effectively improving appetite of cattle, increasing fodder intake of the cattle, effectively increasing the weight, raising the increase rate of the weight and lowering the disease attack rate of the cattle.

The invention relates to a student capability level positioning adaptive learning method and a computer system. The method comprises the steps of obtaining historical learning data and pre-test learning data of a user; analyzing the historical learning data and the pre-test learning data to obtain an analysis result, the analysis result comprising a historical pre-test knowledge point mastery rate, a current class pre-test knowledge point mastery rate, a historical knowledge point improvement rate and a historical knowledge point attack rate; obtaining a pre-learning student level of the useraccording to the analysis result; generating a learning route of the user based on the pre-learning student level; and pushing learning contents based on the learning route. Compared with the prior art, the method has the advantages of improving user learning efficiency and the like.

The invention discloses a tor-brevifilis and procambarus-clarkii rice field mixed aquaculture method. The tor-brevifilis and procambarus-clarkii rice field mixed aquaculture method includes the steps of arranging a rice field, digging annular furrows and field furrows, building field ridges, and arranging protective devices; in February, planting water plants in a layered mode, and putting snails; carrying out disinfection and fertilizing after the mixed aquaculture rice field is cleared, and breeding young procambarus clarkiis at the time one week after fertilizing, wherein the breeding density ranges from 15,000 per mu to 20,000 per mu, and the breeding time is early May; in late-May, breeding tor brevifilises, wherein the density ranges from 1,300 per mu to 1,700 per mu; respectively feeding the tor brevifilises and the procambarus clarkiis, wherein the feeding time of the procambarus clarkiis is sixteen o'clock to eighteen o'clock, the everyday feeding amount is 2% to 3% of the weight of all the procambarus clarkiis, and the everyday feeding amount of the tor brevifilises is 4% to 7% of the weight of all the tor brevifilises; managing the water quality. The tor-brevifilis and procambarus-clarkii rice field mixed aquaculture method is easy to operate and control, the attack rate of the tor brevifilises and the attack rate of the procambarus clarkiis are reduced, the survival rate of the tor brevifilises and the survival rate of the procambarus clarkiis are increased, growing is rapid, and the economic benefits of farmers are high.

The invention discloses an early warning system based on independent risk factor combinatory screening. In the system, an input module of the system is used for inputting personal basic information of a user to be detected, a selector module is used by the user to be detected, to select a blood test scheme to be carried out, a blood sampling device is used for collecting blood of the user to be detected, a blood tester is used for detecting type of the chosen blood test scheme for the collected blood of the user to be detected, a data processing module is used for receiving blood test results transmitted by the blood tester, comparing the blood test results with pre-stored reference data, and transmitting comparison results and conclusions to a results processing module after comparison is complete, and the results processing module is used for processing the received comparison results and conclusions, and transmitting the processed results to a results output module for displaying. The system and method carry out detection in a most convenient and feasible manner, attack rate of serious diseases and death rate are decreased, and the cost is low.

The invention discloses a control method of black shank in potatoes. The fact that early blight and late blight in the potatoes are features of pathogens to the black shank is determined by testing; preventive measures taken for preventing damage of the potatoes caused by the black shank start accordingly from the influence the early blight and late blight upon the planting yield and quality of the potatoes. The control method is simple, low in cost and easy for farmers to master. A great quantity of planting tests show that the method has the advantages that attack rate of the black shank is decreased by 86%, and benefit is increased by 32%.

The invention discloses a cultivation method of lycium barbarum. The method is characterized by comprising the steps of (1) preprocessing seeds; (2) selecting a land; (3) planting; (4) performing later period management; (5) fertilizing; (6) topdressing. According to the method, the traditional lycium barbarum planting technology is improved a lot; the shape, peel color, quality and output of the lycium barbarum are completely different; the attack rate of diseases of dioscorea opposite can be greatly reduced after soaking the seeds and disinfecting the soil; the output and quality of dioscorea opposite are increased by fertilizing and later scientific management; the fast development of the dioscorea opposite industry is achieved; the economic benefit is obvious; the method has a wide applicable scope.

The invention discloses a perch feed. The perch feed is prepared from the following raw materials in parts by weight: 50-80 parts of fish meal, 25-45 parts of shrimp shell meal, 25-35 parts of roe, 3-5 parts of xanthophyll, 0.5-0.8 part of astaxanthin, 9-12 parts of spirulina powder, and 5-8 parts of a traditional Chinese medicine additive. The perch feed disclosed by the invention is scientific in formula, the raw materials are convenient to obtain, and the perch feed is comprehensive in nutrition. The traditional Chinese medicine additive is added, so that the animal immunization can be strengthened, the resistibility can be improved, the generation rate of induced diseases is reduced, and the growth rate of perches is accelerated. When the perches are raised by using the perch feed disclosed by the invention, the perches grow rapidly, the attack rate of the perches is low, and the defects that the perches are slow in growth rate, small in size, and light in weight and easily suffer from diseases due to nutritional deficiency can be effectively overcome.

The invention mainly relates to the technical field of cultivation, and discloses a special feed for parent turtles. The special feed is prepared from the following raw materials: corn flour, wheat bran, sorghum flour, peanut meal, palm kernel cakes, slaughtering scraps, eggshells, animal multi-vitamins, animal multi minerals, composite microbes, and a sweet basil herb extract. The special feed is rich in raw materials and balanced in nutrients, the reproductive capacity of turtles is improved, the egg laying period of female turtles can be prolonged by 20-25 days, the egg laying quantity of each female turtle achieves 33, and the economic returns are increased by 11.2%; the feed is fermented by various microorganisms, so that the fragrance and nutrient components are increased, the palatability is good, the feed intake of the parent turtles is increased, and the reproductive capacity is enhanced; a plant extract is added to the feed, so that the nutrition of the feed is increased, the feed can restrain bacteria and kill insects, the immunity of the parent turtles is improved, the attack rate of the parent turtles is reduced to 1%, and the breeding cost is reduced; and after being selected, the parent turtles are only fed with the special feed, so that the method is simple, influence of foreign feeds on the parent turtles is reduced, and the reproductive capacity of the parent turtles is strengthened.

The embodiment of the invention provides a licorice root residue fermentation health-care feed and a production technology thereof. The content of nutrient substances in licorice root residues can beincreased, animal growth is promoted, and the animal product quality is improved; the usage quantity of antibiotics in the feeding link can be reduced, the licorice root residue fermentation health-care feed can partly replace common antibiotic medicines in feeds, the immunity of livestock and poultry is improved, utilization economic benefits of traditional Chinese medicines are increased, and the pollution of traditional Chinese medicine waste residues on environment is reduced; the quantity of pathogenic microorganisms in the raw materials of the feed is reduced, the infective risk of pathogenic bacteria in the feed is blocked, and the attack rate of the contagious infection diseases of the livestock and poultry is indirectly reduced; and the air environment of breeding farms is improved, and the attack rate of diseases of respiratory tracts and digestive tracts of the livestock and poultry is reduced.

The invention relates to an EM (Efficient Microorganisms) raw liquor for preventing and treating diseases of animals and plants and improving immunity, and a preparation method for the liquor. The preparation method of the raw liquor comprises the following steps: step (1), compounding raw materials of a culture medium in a compounding ratio; step (2), performing aerobic fermentation; step (3), performing anaerobic fermentation; step (4), performing stirring aerobic fermentation; step (5) performing stirring anaerobic fermentation. The prepared Chinese herbal medicine EM raw liquor can improve the feed utilization rate, when the raw liquor is used for feeding the animals, the immunity of the animals can be obviously improved, the attack rate of enteritis of cubs is reduced, the yield is increased, the meat quality is improved, the storage life is prolonged, and fetor from a breeding field is effectively restrained; when the raw liquor is used for cultivating crops, the structure of soil can be improved, organic compounds which are difficult to decompose in the soil are decomposed, diseases and insect pests are prevented, fruits are promoted to become ripe, and the storage life of the crops is prolonged; when the raw liquor is used in the environment, the organic compounds in water of polluted rivers and lakes can be decomposed, the microbial population in the water is improved, and water quality is purified.

The invention discloses composite probiotics capable of increasing the survival rate of piglets, and relates to the technical field of microorganisms. The composite probiotics consist of probiotics and avian immunoglobulin IgY. The composite probiotics can reduce the incidence rate of yellow dysentery, white dysentery, other intestinal bacterial loose bowels, and diarrhoea of piglets, increase thesurvival rate of the piglets, promote development of immune organs of the piglets, enhance the immunity and the disease resistance of the piglets, reduce the attack rate, complement intestinal probiotics, adjust intestinal flora environment of the piglets, strengthen the resistance of the piglets to environment stress, improve the chronicity and the stability of the health of piglet groups, protect the normal development of intestinal mucosae and intestinal villi, and improve the nutrient absorption capacity. When the avian immunoglobulin IgY is used, blood sampling is not needed, only eggs produced by immune hens need to be collected, so that antibodies can be obtained; and a small quantity of antigen immunity birds are used, a large quantity of specific IgY homogeneous in quality can beobtained, and the avian IgY and mammal immunoglobulin cannot generate a cross serologic reaction.