832results about How to "Reduce stress response" patented technology

The invention discloses a Chinese herbal medicine additive for reducing the stress reaction of a weaned pig. The Chinese herbal medicine additive comprises the ingredients of: codonopsis pilosula, rhizoma atractylodis macrocephalae, poria cocos, Chinese yam, astragalus mongholicus, lotus seed, fried green beans, fried coix seed, radix ophiopogonis, schisandra chinensis, polygonum multiflorum, glossy privet fruit, eclipta alba, date kernel, platycladi seed, cortex albiziae, polygala tenuifolia, uncaria rhynchophylla, keel, oyster, coked medicated leaven, coked maltum, scutellaria baicalensis, cape jasmine, cortex moutan, red paeony root, dandelion, radix isatidis, cyrtomium fortunei, fried betel nut, purslane and liquorice. The Chinese herbal medicine additives disclosed by the invention in feed accounts for 1.5-2wt% in feed; and by adopting the Chinese herbal medicine additive, the immunity of the weaned pig can be improved, and the stress reaction of the weaned pig can be reduced. The Chinese herbal medicine additive has the characteristics of low price and no toxic and side effect.

The invention relates to a method of culturing Erythroculter ilishaeformis adult fishes. The method comprises the following steps: stocking the fish fries of Erythroculter ilishaeformis adult fishes in the water area of 5-10 mu with the density being 800-1000 / mu, and the specification of the fish fry stocking being 15-18 cm; providing a clean pond, rich water, water quality management, and the feeding of fish meals; controlling the water environment and the disease occurrences in the culturing process; and obtaining the Erythroculter ilishaeformis adult fishes with the average weight being 0.50kg / tail after one year of culture. Compared with the other inorganic and organic water fertilizing methods, the invention adopts the fertilizing method of using the zymotechnics of multiplicity of microbe groups, so as to reduce the pollution to the feeding environment of the pond by fertilizer water and achieve the purpose of emission reduction. In addition, photosynthetic bacteria are poured after the second day of the water fertilizing, so as to further increase the content of the photosynthetic bacteria in the pond, thus being favorable to the culturing of food organisms, decreasing the number of pathogens, and reducing the occurrence of various diseases.

The invention relates to a megalobrama amblycephala anti-stress feed and a production method thereof. The preparation method is characterized by comprising the following steps of: crushing fish meal, bean pulp, silkworm pupa, rapeseed meal, rapeseed, cottonseed meal, all-purpose flour, sub-powder, washed rice bran, and potassium sorbate mildew preventive; stirring and uniformly mixing the crushed product and fish oil, lecithin, 50 percent choline chloride, rhubarb anthraquinone extract, premix for fish, attapulgite, 35 percent phosphate vitamin C, 50 percent vitamin E and monocalcium phosphate; after stirring and uniformly mixing, grinding the mixture into mixed materials by using an ultra-micro grinder; and preparing the materials into a pellet feed by using the conventional method of the pellet feed. The pellet feed has total and rich nutrition, and can improve the immunity and oxidation resistance of the megalobrama amblycephala, improve the stress, enhance the resistance to disease, improve the feed palatability, and accelerate the growth.

The invention discloses Chinese herbal medicine compound premix used for piglets. In the invention, the composite Chinese herbal medicine premix used for the piglets, which does not contain antibiotics, is prepared by combining and preparing a compound prescription comprising various trace elements, various vitamins and several Chinese herbal medicines and some other functional substances and carriers used for promoting the growth, maintaining the function of the intestinal tract and the like according to a certain proportion.The invention has the advantages that the Chinese herbal medicine compound premix is rich in the trace elements and the vitamins which are required in the growth process of pigs, is added with a safe and nontoxic Chinese herbal medicine feed additive and has the functions of producing blood, invigorating qi, resisting bacteria, enhancing the immunity, reducing fever, relieving exterior syndrome, warming the kidney, strengthening the spleen, improving the skin and hair and the skin color of the piglets effectively, preventing and treating the diarrhea and the white dysentery of the piglets, promoting digestion, promoting the growth of animals and the like. By the premix containing the active components, the problems of drug resistance, medicine residue and the like caused by adding an antibiotic medicine into a feed of the piglets can be eliminated.

The invention discloses a Procambrus clarkii culture granulated feed and a production method thereof. The Procambrus clarkii culture granulated feed is prepared from the following raw materials: fish meal, meat and bone meal, bean pulp, rapeseed meal, peanut meal, flour, rice bran, squid cream, shrimp bran, ecdysone, adhesive, table salt, monocalcium phosphate, zeolite powder, premix, mixed grease (wherein, the ratio of fish oil to soya-bean oil to lard oil is equal to 2-3:1:1), Rhubarb anthraquinone and the like. The preparation method comprises: stirring and mixing in a stirrer; meanwhile, adding steam; pelletizing, dewatering and cooling; and finally preparing the Procambrus clarkii culture compound granulated feed. The Procambrus clarkii culture compound granulated feed prepared by the production method has the advantages of good taste attractant and palatability, high stability in water, normal exuviation, low autotomy rate, high growth speed, low bait coefficients and the like. The Procambrus clarkii culture compound granulated feed can be utilized to obtain the optimal culture effect according to the specific culture situation when being used for cultivating the Procambrus clarkii.

A broiler special feed, relating to animal feed technology, comprises a main ingredient, a fodder, animal ingredients and Chinese herbal additives, wherein the main ingredient is 80% (by mass), the fodder is 5% (by mass), the animal ingredients are 10% (by mass), and the Chinese herbal additives are 5% (by mass). Compared with the conventional feed, the feed in the present invention contains components of Chinese herb. The Chinese herbal additives and the feed carrier acting in a combined manner ensures the normal nutritional requirements of laying ducks, prevents and cures diseases, improves the immunity of laying ducks, and promotes the growth of laying ducks. The broiler special feed has characteristics of non-toxic side effects, no drug-resistance generation, no environmental pollution, promotion of body resistance, rapid acting and low prices.

The invention relates to an anti-stress puffed feed for black carps and a production method thereof and belongs to the technical field of aquatic product compound feed. The production method thereof is characterized by comprising the following steps: crushing fish meal, bean pulp, silkworm pupa, corn protein feed, rapeseed meal, cotton meal, blood powder, bread flour and potassium sorbate mildewcide, and uniformly mixing the crushed mixture and fish oil, 50 percent choline chloride, rhubarb anthraquinone extract, immune polysaccharide, lactobacillus sporogenes, premix compound for fish, zeolite and calcium biphosphate with stirring; crushing the mixture to form a mixed material with a supermicronmill after uniformly mixing with stirring, adding the mixed material into a modulator, introducing water vapor into the modulator to modulate the mixed material, and adding the modulated mixed material into an extruding and puffing granulator to prepare the mixed material into particles; and drying and cooling the puffed feed particles and packing the feed particles into bags. The anti-stress puffed feed of the invention has simple preparation and balanced and rich nutrition, can meet the growing requirements of the black carps, improves the immunity and oxidation resistance of the black carps, improves the anti-stress property and disease resistance, reduces water body pollution caused by throwing the feed in a breeding process, improves the palatability of the feed and promotes growth.

The invention provides an imitated natural habitat river type domesticating method for wild rhinogobio ventralis. The method comprises the steps of 1) building an imitated natural habitat river; 2) preparing for staged water quality control; 3) performing polyculture and matching for fishes; 4) feeding wild rhinogobio ventralis to be domesticated to an imitated river domesticating pool; 5) regulating and controlling the water quality in the early stage of domesticating; 6) feeding bait in the early stage of domesticating, namely, feeding living food to the imitated river domesticating pool at the early stage of domesticating of wild rhinogobio ventralis; 7) regulating and controlling the water quality in the middle and later stage of domesticating; 8) feeding bait in the middle and later stage of domesticating, so as to finish the domesticating of wild rhinogobio ventralis in the imitated natural habitat river. With the adoption of the imitated natural habitat river type domesticating method for wild rhinogobio ventralis and a cruise pool, the problem that the fishes like wild rhinogobio ventralis living in running water habitat are difficult to domesticate artificially can be effectively solved, a domesticating mode meeting the growth and development demand of wild rhinogobio ventralis is created, and the technological foundation is provided for artificial breeding of population.

The invention discloses a veterinary suspension containing amoxicillin, colistin sulfate and prednisolone and a preparation method thereof. The veterinary suspension adopts the amoxicillin, the colistin sulfate and the prednisolone as active ingredients. The preparation method of the veterinary suspension containing the amoxicillin, the colistin sulfate and the prednisolone comprises the following steps of: (1) dissolving or dispersing a suspending agent, an antioxidant and a preservative in a hot dispersion medium to obtain a solution (A); (2) adding 40-80 percent of dispersion medium in a formula ratio in a colloid mill, starting the colloid mill, then slowly adding the solution (A) and adding a wetting agent while stirring after the solution (A) is fully added; (3) sequentially adding the amoxicillin, the colistin sulfate and the prednisolone after fully adding all the accessories, and grinding by adopting two alternate modes, i.e. an endless grinding mode and a non-endless grinding mode; and (4) detecting the grain fineness, stopping grinding when the grain fineness accords with the requirement, adding the dispersion medium to the formula ratio, mixing, canning, sealing and sterilizing to obtain the veterinary suspension containing the amoxicillin, the colistin sulfate and the prednisolone.

The invention discloses centropristis striata linnaeus young fish ecotype mixed feed, which is characterized in that the mixed feed is prepared from the following components in weight percentage: 52.0 to 62.5 percent of fish meal, 1.0 to 6.0 percent of casein, 6.0 to 11.0 percent of wheat gluten, 13.0 to 25.0 percent of alfa-starch, 0 to 3.0 percent of fish oil, 0.5 to 7.0 percent of soybean oil, 0 to 17.0 percent of cellulose powder, 0. to 0.9 percent of mixing powder of a plurality of amino acids, 0.5 to 1.0 percent of composite vitamins, 0.8 to 1.2 percent of composite mineral salt, 0.01 to 0.05 percent of zymin, 0.1 to 0.6 percent of small peptide and 0.05 to 0.3 percent of compound traditional Chinese herbal preparation. Tests show that the centropristis striata linnaeus young fish fed by the mixed feed has the advantages of high feed intake, obvious food calling and high growth rate; and the weight is averagely increased by 24.50 to 69.62 percent, the survival rate is up to between 90.0 and 100 percent which is 85.0 percent higher than that of the comparative group, feed coefficient is up to between 1.20 and 1.84, and disease resistant capability is improved.

The invention discloses a sow side-lying posture real-time detection system based on joint partitioning of sow key parts and environment, and the system comprises a delivery room, a camera, a video storage unit, and a server, and the delivery room is used for placing a to-be-delivered sow; the camera monitors and obtains video data of a delivery room, continuously stores the video data to the video storage unit on one hand, and is directly connected with the server on the other hand; the server calls the backup video data and analyzes the monitoring data in real time; the working steps of thedetection system are as follows: monitoring the postures of the sows in real time, simultaneously detecting three areas of an approval area, a lactation area and a delivery area through a convolutional neural network area identification model, identifying the sows as lying postures when more than two areas are simultaneously detected, and outputting an identification result to a database. Comparedwith a method for recognizing the posture of the sow through a sensor technology, the computer vision technology avoids contact with the sow, stress response is reduced, and the method has the advantages of being low in cost and high in efficiency.

A special feed for laying hens in young adulthood relates to the technical field of animal feed. The feed is composed of 80 wt.% of a main material, 5 wt.% of forage, 10 wt.% of animal ingredients, and 5 wt.% of traditional Chinese medicine additives. Compared with a traditional feed, the special feed laying hens in young adulthood provided by the invention contains traditional Chinese medicine components; the traditional Chinese medicine additives cooperate with a feed carrier, so as to not only ensure the normal nutrient requirements of laying hens but also prevent and cure diseases, improve the immunity of laying hens and promote the growth of laying hens; and the feed has no toxic or side effect, does not generate drug resistance or pollute the environment, can increase the body immunity, prevent chicken plague, and has rapid action and low price.

The invention relates to oil, especially to an emulsified oil which is suitable for being added into livestock feed and a preparation method thereof. The emulsified oil comprises the following components of: by weight, 40-100 parts of vegetable oil, 0.5-5 parts of span, 1-10 parts of monoglyceride stearate, 1-5 parts of sodium caseinate, 1-10 parts of disodium hydrogen phosphate and 30-90 parts of glucose syrup. The emulsified oil is prepared by technological processes of burdening, homogenization, spray drying and cooling. The emulsified oil provided by the invention has balanced nutrient proportion, is rich in medium / short chain aliphatic acid, high nutritional milk protein, digestible monosaccharide and the like which are all easy for animals to absorb, has high net energy value and high digestion and absorption rate, can greatly increase the content of fat in feed and raise energy density of animal diets, is a powered solid, and is convenient to preserve and transport.

The invention discloses an activity enhancer for shrimps, crabs and fish in aquaculture and a preparation method thereof. The enhancer comprises the following components in parts by weight: 15-20 parts of calcium gluconate, 25-35 parts of light calcium carbonate, 15-25 parts of calcium hydrophosphate, 20-30 parts of natural anti-stress factor, 10-15 parts of amino acid and 5-10 parts of sodium percarbonate; and the natural anti-stress factor comprises the following components in parts by weight: 13-18 parts of manyprickle acathopanax root, 12-15 parts of indigo woad root, 9-12 parts of baical skullcap root, 9-12 parts of cape jasmine fruit, 7-10 parts of artemtsm, 6-8 parts of Chinese angelica, 6-8 parts of raidx astragali, 4-7 parts of rheum officinale, 4-7 parts of campanumaea pilosula, 6-9 parts of salvia miltiorrhiza bunge, 5-7 parts of tree peony bark and 5-8 parts of uncaria. The preparation method comprises the following steps: adding the raw materials into a reaction kettle for stirring and mixing; heating the reaction kettle, standing and curing to obtain a finished product; and the natural anti-stress factor is prepared by crushing the materials into powder. The invention provides an ecological preparation with high nutrition, no antibiotic and no harmful chemicals for shrimps, crabs and fish.

Suckling-pig health-care feed promoting intake relates to the technical field of animal feed and is prepared from the following raw materials in parts by weight: 350 parts of puffed bean powder, 45 parts of rice flour, 20 parts of bran, 5 parts of shrimp shell, 3 parts of a premix, 25 parts of corn-flour germ bran, 15 parts of greenfeed, 1 part of sugarcane leaf, 20 parts of rice wine, 20 parts of sweet potato powder, 15 parts of green alga powder, 5 parts of dry ginger powder, 3 parts of honey-fried licorice root, 2 parts of black tea, 5 parts of kumquat, 2 parts of silkworm chrysalis powder, 5 parts of fish meal, 5 parts of grease and 8 parts of a traditional Chinese medicine additive. Compared with conventional feed, the compositions of the feed comprise the traditional Chinese medicine additive which cooperates with a feed carrier for playing a role, so that the feed helps to satisfy normal nutrition demands of suckling pigs, also gives play to fortify stomach and promote digestion, helps to increase the intake of pigs, avoid appearance of gastric ulcer of pigs and improve immunity of suckling pigs, and also is capable of promoting growth of suckling pigs; and the feed is free of toxic and side effects, does not generate drug resistance, does not pollute environment, helps to increase body immunity, and is fast in effectiveness and low in price.

The invention relates to a traditional Chinese medicine composite capable of increasing production performance of livestock and poultry. The traditional Chinese medicine composite comprises the following components by weight percent: 3-40% of astragalus root, 5-10% of atractylodes macrocephala, 3-20% of radix sileris, 3-20% of golden cypress, 5-10% of atraotydin, 1-5% of agastache, 5-8% of root of hairy asiabell, 5-50% of spina date seed, 3-10% of hawthorn, 5-10% of dried orange peel and 5-10% of areca seed. The preparation process of the traditional Chinese medicine composite has simple steps, effectively reduces the stress response of livestock and poultry and increases the immunity of the organism and has no toxic and side effects and drug residue, the use is convenient, the composite is easy to absorb, and the safety is high, thus the traditional Chinese medicine composite and the premixed feed of the invention is a high effective traditional Chinese medicine composite and premixed feed capable of increasing production performance of livestock and poultry.

The invention relates to a creep powdery feed for a suckling pig, relating to the technical field of animal feeds. The creep powdery feed is prepared from the following raw materials in parts by weight: 29 parts of main material, 80 parts of corn, 67 parts of extruded corn, 45 parts of extruded bean pulp, 40 parts of extruded soybean, 70 parts of a milk replacer, 40 parts of whey powder, 20 parts of steam fish meal, 15 parts of plasma protein powder, 35 parts of glutinous rice flour, 30 parts of wheat middling, 10 parts of vegetable oil, 15 parts of glucose, 21.2 parts of crude protein, 15 parts of folium mori flour, 15 parts of sweet potato flour, 20 parts of peanut flour, 2 parts of honey and 6 parts of Chinese herbal medicine additive. Compared with a conventional feed, the creep powdery feed for the suckling pig, provided by the invention, has the beneficial effects that the creep powdery feed contains Chinese medicinal ingredients, and the Chinese herbal medicine additive is matched with a feed carrier, thus a normal nutrition demand of the suckling pig is ensured, diseases can be prevented and treated, the immunity of the suckling pig is enhanced, and the growth of the suckling pig can be promoted, no toxic or side effect is caused, no drug resistance is generated, the environment is not polluted, the organism resistance can be increased, the acting speed is high, and the price is low.

The invention discloses methods for preparing a duck virus hepatitis strain and an inactivated vaccine. The strain is obtained with the method comprising the following steps of: collecting duck hepatitis material with obvious pathological changes in a duck farm where duck virus hepatitis prevails, washing with bi-anti-sterilization PBS, diluting and grinding, freeze thawing twice and performing centrifugal separation; diluting virus separated by sterilization PBS, vaccinating chick embryo, selecting chick embryo with classic pathological changes that is dead 48-96h after vaccination, respectively gaining chick embryo liquid, transferring for 18-25 generations continuously to obtain a duck virus hepatitis virus chick embryo suitable strain. The strain can be in production, vaccinated in the chick embryo to gain chick embryo liquid, and is emulsified after vaccination to prepare the inactivated vaccine. The inactivated vaccine is high in safety, has good immune efficacy to young ducks, long immune time for breeding ducks and high level of antibody of breeding ducks, and the young ducks bred by the breeding ducks can resist duck virus hepatitis strains.

The invention relates to a mullet and crucian carp mixed culture puffed feed and a preparation method thereof, and belongs to the technical field of aquatic feeds. The mullet and crucian carp mixed culture puffed feed is prepared by the steps of crushing fish meal, soya bean meal, rapeseed meal, peanut meal, DDGS (Distillers Dried Grains with Soluble), peas, bean curd residues, cottonseed meal, wheat, cassava, corns and rice bran, and then agitating and uniformly mixing with soya-bean oil, monocalcium phosphate, an anthraquinone extract, glycine betaine, allicin, table salt and a fish premix to obtain a mixture; agitating, uniformly mixing and crushing the mixture by an ultrafine grinder to obtain a mixed material; transferring the mixed material into a regulating device and introducing vapor for regulating; after the regulation, conveying the mixed material into an extruding and puffing granulation machine to prepare pellet feeds; drying the puffed pellet feeds, cooling and packaging. The puffed feed has balanced and abundant nutrition and the nutritional requirements of mullets and crucian carps can be met at the same time; the puffed feed is used for the mixed culture of the mullets and the crucian carps and has the good stability in water; the puffed feed floats on the water surface and the ingestion efficiency is improved; the food coefficient is reduced and the cultivation cost is reduced; the pollution to a water environment is reduced.

The invention provides an additive for balancing the gastrointestinal health of animals, which is prepared by absorbing 3 to 15 percent of tributyrin, 21.5 to 52.5 percent of lactic acid and 3.5 to 7.5 percent of formic acid with special carrier white black carbon by grade and layer respectively and then combining the mixture with 1 to 10 percent of glutamine. The additive has the effects of controlling diarrhea and accelerating restoration of injured intestinal tract, and starting from a philosophy of balancing the relationship between the gastropore and the intestinal tract, saving resources, reducing environment loads and improving quality of livestock products, a comprehensive gastrointestinal health management scheme is provided.

The invention discloses an intelligent animal feeding system which comprises an electronic mark on the body of an ingestion animal, an identity recognition unit, a feeding trough, a control unit, a fodder preparing unit, a triggering unit, a biosensor and an environment collector. The fodder preparing unit, the triggering unit, the biosensor and the environment collector are respectively connected with the control unit. The identity recognition unit is used for reading information of the electronic mark and transmitting the information to the control unit. The control unit is used for analyzing behavioral habits of the ingestion animal within corresponding time according to data collected by the triggering unit, the biosensor and the environment collector, a free eating time quantum and a limited eating time quantum of the ingestion animal are set according to the behavioral habits, and the speed and the volume of edible fodder conveyed by the fodder preparing unit to the fodder trough are automatically adjusted in the set free eating time quantum. According to the intelligent animal feeding system, the behavioral habits of the ingestion animal are conformed, the stress response of the animal is reduced, and the maximization of the economic benefit of animal breeding is achieved. In addition, the invention provides a feeding method of the intelligent animal feeding system.

A ceftiofur long acting injection consists of the following substances: 2.5g to 5.0g of ceftiofur crude drugs, 0.5g to 3.0g of span 80, 0.1g to 0.3g of Vitamin E, 0.2g to 0.5g of aluminium stearate, 0.25g to 0.5g of chlorobutanol and soybean oil. The preparation method of the ceftiofur long acting injection comprises the following steps: (1) smashing the ceftiofur crude drugs till the particle size of the ceftiofur crude drugs is 5 Mum; (2) adding the span 80 into a mortar for grinding till the span 80 becomes even; (3) then, adding the aluminium stearate, the Vitamin E and the chlorobutanol into the mortar together; and (4) moving the mixture into a measuring vessel and adding the soybean oil into the measuring vessel till the total volume of the substances in the measuring vessel reaches 100ml. The ceftiofur long acting injection has the advantages of obvious therapeutic effect, long half-life period, less adverse reaction, reducing medication times, saving manual labor and time and the like.

The invention provides a special-purpose feed for meat ducks, and relates to the technical field of animal feeds. The feed is prepared from the following components in mass percentage: 96% of main materials, 2% of traditional Chinese medicine additives, and 2% of premixes, wherein the main materials comprise the following raw materials in parts by weight: 30 parts of rice flour, 20 parts of wheat bran, 15 parts of soybean cakes, 10 parts of leaf mustards, 10 parts of celery leaves, 15 parts of fish meal, 10 parts of bone meal, and 15 parts of snail meat and freshwater mussel meat. Compared with a traditional feed, the feed disclosed by the invention contains the traditional Chinese medicine components, and the traditional Chinese medicine additives and feed carriers cooperate to work, so that normal nutritional requirements of egg-laying ducks can be ensured, diseases can be prevented and treated, the immunity of the egg-laying ducks can be improved, the growth of the egg-laying ducks can be promoted, the feed does not have toxic or side effects, medicine resistance is not generated, environment is not polluted, the immunity of organisms can be improved, and the feed is rapid in effects and low in prices.

The invention discloses a probiotic agent containing Lactobacillus plantarum and Bifidobacterium lactis, and its preparing method, and belongs to the technical field of feed microbes. The probiotic agent having the advantages of special sour fragrance, high number of contained live bacteria and improved degradation rate of proteins in the soybean meal, wheat bran and corn flour is prepared through the solid-state fermentation of soybean meal, wheat bran and corn flour by adopting Lactobacillus plantarum HM-10 and Bifidobacterium lactis V9; and the method has the characteristics of low production cost and simple operation. The adoption of mixed bacterium segment solid state fermentation can utilize the mutualism synergism of strains, and can improve the yield and the thallus concentration; and the probiotic agent utilizing the growth, propagation and metabolism of the Lactobacillus plantarum HM-10 in the early stage of fermentation can provide abundant nutrients and necessary anaerobic environment for the propagation of the Bifidobacterium lactis V9, so it is helpful for the growth of the Bifidobacterium lactis V9, and the number of Lactobacillus plantarum HM-10 live bacteria is increased.

The invention relates to a medicine which is used to prevent and treat livestock virus infection, comprising interferon, specific antibody and effective extract. The medicine is characterized by wide anti-virus effect, fast curative effect, small medicine consumption and reduced irritated response caused by capturing livestock for injection. The medicine can enter into embryo through placenta and prevent virus copy in the embryo, so it can be used for pregnant livestock. The progress is dramatic, and it overcomes shortcoming that other anti-virus medicine can not enter into embryo through placenta and protect embryo.

The invention provides a vaccine composition containing porcine circovirus-2 antigen (PCV2) and swine flu antigen (SIV). The vaccine composition comprises at least one porcine circovirus-2 antigen of effective dose and at least one swine flue antigen of effective does as well as an adjuvant. The vaccine composition can be used for preventing and treating diseases associated to the porcine circovirus-2 and the swine flu virus diseases.

The invention belongs to the technical field of feed, and discloses a Chinese medicinal herb vitamin premix for pigs, which is prepared from a plurality of vitamins, a plurality of Chinese medicinal herbs and a carrier according to a certain proportion. The premix of the invention has the following advantages: the premix is rich in vitamins needed in the growth of pigs, and is added with safe and non-toxic Chinese medicinal herb feed additives, and has the effects of promoting hemopoiesis, invigorating qi, resisting bacteria, enhancing immunity, clearing away heat. relieving exterior syndrome, strengthening spleen and stomach, effectively improving pig skin, promoting digestion and growth of pigs and the like. The premix containing the above ingredients can improve the subhealth situation of pigs in the intensive feeding conditions in the prior art, enhance disease resistance and immune of pigs, improve the production performance of pigs.

The invention discloses an environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house and belongs to the technical field of poultry raising. The environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house is mainly characterized in that a breeding duck shed comprises a bottom inflation fermentation bed, and the bottom inflation fermentation bed comprises a fermentation bed cushion layer and an inflation fermentation system below the fermentation bed cushion layer; the fermentation bed cushion layer comprises a surface layer discrete padding layer with the thickness of 20 cm and a lower layer straw layer with the thickness ranging from 15 cm to 20 cm; the inflation fermentation system comprises an inflation power device and an inflation pipeline device connected with the inflation power device and located below the cushion layer. Due to the environment-friendly, sanitary and saving type meat breeding duck fermentation bed raising house, the problem that fermentation bed padding hardens because of biological characteristics of ducks is effectively solved, the aerobic degradation capacity of fermentation bed padding for dung of the breeding ducks is improved, emission of foul gas and greenhouse gas is reduced, and the aerobic degradation capacity for dung of the breeding ducks is improved; the water requirement in the drought raising stage is met by a drinking device and a spraying cleaning device, and meanwhile, consumption of water sources is reduced.

The invention relates to a peste des petits ruminants virus (PPRV) reverse genetic operating system and an application thereof. The PPRV reverse genetic operating system comprises a transcription plasmid and one or more helper plasmids, wherein the transcription plasmid can express the genome full-length cDNA (complementary deoxyribonucleic acid) sequence of the PPRV; and the helper plasmid(s) can express nucleoprotein (N), phosphoprotein (P) and polymerase large protein (L) of the PPRV, and virus replication-permitting host cells of the PPRV. By using the PPRV reverse genetic operating system, the recombined PPRV is successfully saved. The establishment of the PPRV reverse genetic operating technical platform provides an excellent technical platform for the development of PPRV live vector vaccines and the fundamental research related to PPRV.

A method of transporting live large-sized commercial shad includes the steps of firstly, preparing before fishing; secondly, fishing; thirdly, bagging; fourthly, transporting; and fifthly reviving. In training before fishing, the shade is adaptive to manual operation; during fishing, mild operation is performed to avoid damage to the body of the shad; during bagging, transporting physiological fluid is added to lower stress reaction, and ice cubes are used for cooling to enable the shad to be less active; during transporting, foam boxes are used for bagging to reduce the influence caused by external vibrations. The time of transporting the shad by the method lasts more than 10 hours, the survival rate is more than 90%, and the shad can survive for more than 2 days at the destination.