245 results about "Procambarus clarkii" patented technology

The invention relates to a rice field ecological planting and breeding method. By means of the rice field ecological planting and breeding method, Procambarus clarkii are bred and rice is planted in a rice field circularly. The rice field ecological planting and breeding method includes the steps of preparation of the rice field, putting of shrimp seeds, feeding of shrimps, rice cultivation, management of the rice field, fishing for shrimps and reservation of parent shrimp seeds. Circular grooves of the rice filed are disinfected and grass is planted in the circular grooves immediately after the circular grooves of the rice field are finished, the reservation of parent shrimp seeds is mainly carried out in the later period of finishing, and parent shrimps are guaranteed to be reserved in the field for breeding parent shrimps of the next year. The rice field ecological planting and breeding method has the advantages that the Procambarus clarkii are reserved after rice is harvested, and the rice field does not need to be turned over, ploughed or harrowed, planting and breeding are jointly carried out continuously and the utilization rate of farmlands is high; fertility of the farmlands is uniform; worm eggs are eaten by the shrimps so that diseases and insect pests of the rice can be prevented; the survival and breeding environment of the shrimps is stable, and the yield is high; the structure of the rice field is favorable for breeding and growth of the shrimps; chemical inorganic fertilizer and chemical pesticides are not used, so that the natural ecological environment is effectively protected.

The invention provides a method for breeding procambarus clarkii spring seedlings in a pond. A pot bottom-shaped pond structure is replaced by a structure formed by a circular groove and a shallow, so that the enlargement of a burrowing breeding area of crawfish, the complete freezing-drying of the pond, the enlargement of a feeding area and the like are facilitated; a step-by-step precipitation method is used for guiding the burrowing overwintering and reproduction of the crawfish, and straws are used for preserving heat and protection against cold; aquatic plants are arranged in two stages, corrugated clay tile shelters are arranged among the aquatic plants, so that the perching area of the crawfish is enlarged, and fresh and tender green feeds are provided; fertilizers are applied to cultivate sufficient natural bait organisms in three stages to ensure the fertility of water in the pond, so that the rapid growth of the aquatic plants is facilitated, and sufficient high-quality natural biologic baits are cultivated for feeding the crawfish; the above measures have the advantages of strengthening the physique of the crawfish, increasing the overwintering survival rate of the crawfish, reducing the probability of cannibalization of the seedlings, increasing the proportion of the spring seedlings, improving the specification uniformity of the seedlings and the like, and are significant for improving the unit breeding yield and economic benefits of the pond.

The invention discloses a method for planting rice in a Procambarus clarkii culture pond. The method comprises the steps of carrying out standard pond reconstruction, carrying out pre-culture preparation, carrying out juvenile Procambarus clarkii stocking, carrying out high-straw rice transplanting, carrying out planting and culturing management, carrying out commercial Procambarus clarkii culturing and fishery and carrying out high-straw rice harvesting. According to the method, rice planting is introduced to aquaculture ponds firstly, the Procambarus clarkii culture pond is subjected to simple engineering reconstruction, Procambarus clarkii, rice and water plants are organically combined so as to realize the mutualism of the Procambarus clarkii and the rice, the Procambarus clarkii is used for carrying out soil loosening and insect damage removing on the rice, and the rice absorbs nutrient elements, such as N and P, in water, so that the water for culture is purified, habitation and shelter sites are provided for the Procambarus clarkii, a good growth environment is created for the Procambarus clarkii, and the quality of the Procambarus clarkii is improved. The method disclosed by the invention is simple and convenient in operation and is suitable for being popularized to shrimp and crab culture ponds, the whole course of production has no need of medication, produced rice and Procambarus clarkii are high in quality, and the economic benefit increased per mu is more than 1,500 RMB, so that the method has great social and economic benefits.

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.

The invention relates to a method for cultivating the Krause's crayfish in pool, which comprises that preparing the pool, cultivating parental crayfish, cultivating the parent crayfish by itself and cultivating the seed. The pool preparation comprises that 1, cleaning the pool; 2, embedding organic fertilizer into the bottom and stacking the fertilizer at the slope; 3, filling water; 4, planting grass; 5, arranging tubular hidden material. And the cultivation of parental crayfish comprises that 1, disinfecting the parental crayfish; 2, cultivating the parental crayfish; 3, strengthening the cultivation. The self-cultivation of parental crayfish comprises that crossing, laying eggs, and cultivating the seed. The seed cultivation comprises that 1, spraying biological organic fertilizer into the water; 2, putting artificial feed; 3, cultivating the mature parental crayfish; 4, taking off. The invention can cultivate benthic organism to feed the parental crayfish, seed or the like, to improve efficiency and reduce pollution.

The invention provides a breeding method and a pond for improving the commercial specification and the yield of procambarus clarkii in the pond. The breeding method comprises the following steps: drying the pond under the sun; putting young procambarus clarkii into the pond for the first time; performing catch rotation on commercial procambarus clarkii for the first time; putting young procambarus clarkii into the pond for the second time; performing catch rotation on commercial procambarus clarkii for the second time; and thoroughly draining water of the pond, and catching all commercial procambarus clarkii. The pond comprises a circular groove which is digged along the periphery of the pond, wherein the circular groove has an upper bottom width of 6 to 10 meters, a lower bottom width of 1 to 5 meters, a depth of 0.8 to 1 meter, a ridge height of 0.8 to 1 meter and a slope ratio of 1: 3; the area of the circular groove accounts for 20 to 30% of the total area of the pond; the a region, located at the inner side of the circular groove, of the pond is piled with a central enclosed beach; and the distance between the water level of the pond and the central enclosed beach is in a range of 10 to 70 cm. The invention has the following beneficial technical effects: by adopting the method provided by the invention, 200 to 250 kg of commercial procambarus clarkii can be harvested in two seasons, wherein the proportion of the commercial procambarus clarkii with a specification of 40 g or more reaches 60 to 70%.

The invention discloses a procambarus clarkii feed. The procambarus clarkii feed is prepared from the following components in parts by weight: 5-18 parts of fish powder, 10-30 parts of bean powder, 10-18 parts of corn powder, 8-25 parts of flour, 2-8 parts of yeast powder, 10-27 parts of wheat bran, 12-20 parts of dried vinasse, 1-5 parts of peanut powder, 1-8 parts of bone powder, 1-10 parts of lard and 1-8 parts of Chinese traditional medicine additives. The procambarus clarkii feed, which is prepared from the natural materials and is especially additionally provided with the traditional Chinese medicine additives, is rich in ingredients and balanced in nutrients, is capable of effectively improving the disease resistance and survival rate of fed procambarus clarkii, does not pollute water sources as containing no chemical additive, is free of residue and has an environment-friendly effect, meets the requirement of people on food safety, and is capable of improving the economic benefit of procambarus clarkii culture, thus having good popularization value.

The invention provides a rice field and pond combined cultivation method of procambarus clarkii. The method includes the following steps: 1, constructing a rice field and ponds; 2, pouring procambarus clarkii species and transferring procambarus clarkii larvae; 3, conducting rice cultivation and management, 4, fattening the procambarus clarkii larvae and controlling pests and diseases; 5, catching adult procambarus clarkii while leaving and storing the procambarus clarkii species. According to the method, procambarus clarkii cultivation is uninterruptedly conducted for years while parts of rice are planted in the rice field, therefore, simple rice cultivation is achieved, little chemical fertilizers and little pesticides are used, rice diseases and pests are reduced, procambarus clarkii larvae cultivation in the farmfield is combined with procambarus clarkii fattening in the ponds, the commodity rate and yield of the procambarus clarkii are high, and rice field ecological planting and breeding purposes are achieved, that is, manpower and material resources are saved, the farmland utilization rate is high, economic benefits are good and natural ecosystems are effectively protected.

The invention relates to a method for cultivating the Krause's crayfish, comprising that cleaning the field, cultivating the parental crayfish, cultivating the seed and taking off, cultivating the rice. The invention is characterized in that the cultivation of parental crayfish is processed in the surrounded groove, which has an anti-jump device and near the ground arranges seed holes at 0.8-1.2cm diameter; the crayfish seed can pass through the holes into the field. The invention can pre-cultivate the parental crayfish to avoid damaging the rice. And the invention can obtain many benthic fauna as the bait of parental crayfish, seed, or the like.

The invention provides a procambrus clarkii indoor artificial propagation method, belonging to the freshwater shrimp breeding technical field. The method includes the following steps: 1) sorting and group matching of parent procambrus clarkii; 2) temporary culture of the parent procambrus clarkii; 3) induction concentrated synchronous oviposition; 4) artificial incubation and sorting of spawning procambrus clarkii; 5) cultivation of young procambrus clarkii. The procambrus clarkii indoor artificial propagation method ensures that procambrus clarkii can be successfully propagated indoors by artificially regulating the propagation condition of procambrus clarkii. The method is simple and has strong feasibility, the spawning rate thereof reaches 84%, fertility rate reaches 90%, hatching rate reaches 86%, survival rate reaches more than 80%, the situation that procambrus clarkii postlarvae can be obtained only by natural propagation under the existing condition is changed, the problem that procambrus clarkii postlarvae is scare is solved, and stable and batch postlarvae production capacity is formed. Meanwhile female procambrus clarkiis synchronously lay eggs in a relative concentrated way while natural propagation is in droves and postlarvae can not be quantitatively obtained in time; postlarvae stocking can be carried out ahead of time; and postlarvae specification is relatively uniform.

The invention relates to a method for culturing finless eel and freshwater crayfish in a pond, which includes (1) selecting pond or low-level pond, or opening ditches such as 'curve', 'well' or 'field' font, keeping sluice above 1.5m in the pond or ditch; (2) clearing and sterilizing the pond, keeping the water depth for 30cm, fertilizing and planting aquatic; (3)the net box of finless eel being an open style, planting water peanut in the box; (4) regulating water quality by stocking silver carp and bighead carp, putting healthy fingerlings of the freshwater crayfish one off in the last decades of April (100kg / 666m2), or putting mature fingerlings of the freshwater crayfish whose female and male ratio is 2:1 in the autumn; (5) stocking young finless eels from the last ten-day of April to the first ten-day of May or the last decades of July (1kg / m2); (6) feeding food per day, the amount of which are 5-8% of the weight of freshwater crayfish; (7)subduing feeds after young finless eels are put in the box and hungry for 3 days, the weight ratio of minced earthworm or fresh fish and finless eel is 5:1, 4:1, 3:1 and 2:1; (8) strengthening water quality management, fertilizing management and prophylaxis osamu work of the aquaculture water and inside the net box.

The invention discloses a Krause's original crayfish particle feed. The Krause's original crayfish particle feed comprises the following parts: fresh forage, bean curd slag, bran, rice bran, sesameseed meal, aquatic animal, poultry and animal viscera, natural mineral feed additive, concave-convex stick stone clay powder, silkworm chrysalis, lindley eupatorium traditional medicine feed additive, salt and husking element. Krause's original crayfish particle feed imitates the growing condition needed by Krause's original crayfish ecology, which has the good palatability, the steady subaqueous property, can keep the particle state for a long time, and has the high remuneration and the low cost. Krause's original crayfish with Krause's original crayfish particle feed has the low morbidity, the high survival rate, the quick growing speed, the red and light casing, the fine-textured meat, the environment-friendly type green and the weight more than the natural Krause's original crayfish, and the invention is fit for breeding Krause's original crayfish of every stage.

The invention discloses a method for fry and fingerling rearing of aquatic animals, particularly a synchronized fry and fingerling rearing method of Procambarus Clarkii and an application thereof. The method is based on the mating and spawning habits of Procambarus Clarkii, and controls the synchronous development of parent prawns, fry production time, breeding density and fry and fingerling specifications by modifying the fry and fingerling rearing pool, transplanting aquatic weed and strictly controlling water level in fall and winter.

The invention discloses a method capable of improving marketable specification of procambarus clarkii. The method comprises the following breeding steps of: (1) digging circular trenches; (2) arranging escape-proof facilities; (3) cleaning a pool; (4) fertilizing and culturing bottom-dwelling bait microorganisms; (5) planting grass; (6) setting breeding specification and density of shrimps; (7) arranging micropore bottom oxygen-increasing facilities; (8) feeding shrimp feed; (9) managing water quality; and (10) shrimping by turns. The method for breeding large-specification grown procambarus clarkii is favorable of breeding large-specification grown prawns with weight of more than 60g, so that problems of small grown specification, low yield and poor breeding efficiency of procambarus clarkii in a pool breeding mode are solved. The method for breeding large-specification grown procambarus clarkii has the features of low investment, convenience in operation and management, large specification of grown commodity shrimps, high yield and good efficiency, and is suitable for large-area popularization and application in pool breeding regions and river crab breeding regions.

The invention discloses a high-density transportation technology of young Procambarus Clarkii; the injury to the young Procambarus Clarkii can be reduced by improving the fishing technology and then the young Procambarus Clarkii is kept for 4 to 6 hours without feeding to reduce the excretion; the healthy young Procambarus Clarkii can be selected and reinforcement cages made from polythene are overlapped to enhance the transportation capacity; the humidity of the transportation environment can be maintained by adding aquatic weeds to increase the survival rate. The method utilizes the physiological property of Procambarus Clarkii and adopts non-water transportation to greatly reduce the weight and volume of transportation facilities, which is convenient for vehicle transportation. By adopting the method, the transportation time can be prolonged to 10 to 12 hours and the transportation survival rate can reach more than 90%; therefore, the aim of high-density transportation and low cost can be realized.

The invention discloses a periodic running water high-density culture method for a procambrus clarkii pond. The method is characterized in that: the pond is sited nearby a clean water source, a ridge is protruded in the pond based on a common fish pond, one end of the ridge is connected with the pond wall, the other end of the ridge is free, a 5 to 8-meter gap is reserved between the ridge and the opposite pond wall, the pond is totally door-shaped, the circuitous total length of pond water is not more than 1,000 meters, two ends of one side of the pond close to the water source are provided with a water inlet and a water outlet respectively, the water inlet is upstream, and the water outlet is downstream. A plastic hose with diameter of 20 centimeters moves up and down in a drainage port to adjust the water level of the pond. Water is fed and discharged periodically in the procambrus clarkii culture period. The method increases a crawfish cave space, promotes water flow, increases dissolved oxygen in water, improves the water quality, stimulates crawfish shelling speed and frequency, and improves the survival rate and the growth speed of the crawfish.

The invention discloses environment-friendly type compound feed of young procambarus clarkii and a feeding method of the environment-friendly type compound feed. In the feed, (imported) fish meal, soybean meal, (imported) rapeseed meal, peanut meal and the like are used as protein raw materials, so that the requirements on amino acids of the procambarus clarkii are met, the utilization rate of the protein is improved and the emission of nitrogen is reduced; the efficiency of the feed is improved and the cost is reduced; inkfish cream, allicin and the like are added so that the feed has a certain food calling effect; the utilization rate of baits by the procambarus clarkii is improved and wastes are reduced; and additives including bacillus, phytase and the like are added so that the feed has the effects of regulating intestinal microorganism flora, improving digestion and absorption of phosphorus and the like. The selected raw materials have sufficient sources, a production process is simple and the feed is not easy to go bad and is convenient to transport and preserve.

The invention discloses a method used for identifying different families of procambarus clarkii. The method comprises following steps: half-sib families are established artificially; DNA is extracted from the tail muscle of procambarus clarkii; 10 pairs of selected microsatellite primers are used for PCR amplification of the extracted DNA; obtained PCR products are subjected to electrophoretic analysis and silver staining; silver staining results are subjected to digital analysis; genetic distances of individuals are measured using a genetic software, a UPGMA cluster analysis diagram is drawn based on the genetic distances, and the individuals from different families can be distinguished based on cluster analysis results. The method can be used for distinguishing the families of procambarus clarkii quickly and accurately, and preventing inbreeding effectively, and possesses high application value in breeding of procambarus clarkii families.

The invention relates to a special artificial three-dimensional shrimp nest for procambarus clarkii and a method for industrialized and efficient artificial breeding, and belongs to the technical field of fry breeding of freshwater economical shrimps. In a fry breeding pond, the special artificial three-dimensional shrimp nest for procambarus clarkii is arranged, a biological floating bed is arranged in the fry breeding pond at the same time, and aquatic plants are planted on the biological floating bed; a disc microporous oxygenation tube is laid in the fry breeding pond; shrimp fry are carefully fed and managed after hatching, and finally drainage is carried out to collect the shrimp fry. The factory indoor cement pool has excellent conditions for artificial fry breeding, and temperatureillumination control, water quality and bait feeding management, shrimp fry collection and other operation are extremely convenient, so that the controllability and management efficiency are greatlyimproved.

The invention discloses a procambarus clarkii fishmeal-free compound feed and a preparation method thereof. The procambarus clarkii fishmeal-free compound feed comprises the following raw materials (1000 kg in total): 50 kg of degossypolized cottonseed protein, 160-200 kg of soybean protein concentrate, 130-150 kg of rice protein concentrate, 45-65 kg of fish soluble protein, 20 kg of calcium biphosphate, 130 kg of groundnut meal, 30 kg of shrimp shell meal, 219.55 kg of wheat flour, 88 kg of rice bran, 20 kg of phosphatide oil, 12 kg of fish oil, 5 kg trace elements of shrimp, 2.5 kg of betaine, 3 kg of salt, 1.75 kg of shrimp vitamins, 1 kg of choline chloride, 1 kg of L-carnitine, 1 kg of anti-mildew agent, 40 kg of bentonite and 0.2 kg of ethoxyquinoline. The procambarus clarkii fishmeal-free compound feed solves the problems of high cultivation cost of procambarus clarkii and strong dependence on fishmeal, and achieves the purposes of minimized cost input of the feed and maximized benefit.

The present invention discloses a manufacture technology of procambarus clarkii food. The manufacture technology comprises raw material selecting, grading, washing, cooking, cooling, water boiling, cooling, marinating and draining, or oil-frying. A flavor and a moisture are strictly controlled. An irradiation sterilization technology with a short treatment time replaces a traditional heat sterilization to kill microorganisms in procambarus clarkii. Due to an always used normal temperature during the sterilization process, the manufacture technology can effectively reduce effects on meat quality and solves problems that the traditional procambarus clarkii food is short in shelf life, cannot be eat instantly and is poor in mouthfeel.

The present invention belongs to the field of aquaculture and discloses a feed for procambarus clarkii and a preparation method thereof. The feed is prepared from the following raw materials: full-skimmed steam fish meal, fermented rapeseed meal, peanut cake, wheat, fly maggots, high-gluten flour, phospholipid oil, fish oil, palm oil, oyster shell flour, mannan oligosaccharide, a shrimp premix, methionine and compound probiotics. The feed contains the fermented rapeseed meal and compound probiotics, does not contain antibiotics, reduces pollution of aquaculture water body of the procambarus clarkii, and is good in food attractant, better in feeding speed than the control group, fast in growth speed, strong in disease resistance, low in mortality, and finally high in yield and an ecologicaltype feed for the procambarus clarkii with good application prospects.

The invention discloses a rice-shrimp-loach coupled cultivating method and a paddy comprehensive planting-cultivating mode, and mainly relates to the technical field of cultivation. According to the method, aquatic plants which are transplanted in a paddy in idle time are utilized as a bait source; the feeding amount of artificial feed is reduced; meanwhile, the cultivation time of procambarus clarkii and loaches (mainly the procambarus clarkii) is prolonged by utilizing the growth period characteristics of rice, particularly, late rice; the commercial specification and the cultivation yield of the procambarus clarkia are improved; aiming at the marketing specifications and the growth period characteristics of the procambarus clarkii and the loaches, the procambarus clarkii and the loaches are fished by adopting different modes; the loss of the commercial loaches is avoided; the comprehensive utilization rate of the paddy is improved. The method is an innovation of a paddy comprehensive planting-cultivating mode; the economic benefit of rice-fish coupled cultivation can be improved; the method has certain popularization and application values.

The invention discloses an anti-stress feed for Procambarus clarkii and a production method for the anti-stress feed. The feed comprises a cottonseed meal enzymolysis product, a water extract of full honeysuckle and a dried yeast culture in a weight ratio of (4-6):(1-1.5):(0.05-0.1). The anti-stress feed for the Procambarus clarkii according to the formula can remarkably improve growth performance, survival rate and stress resistance of shrimps; the palatability of the feed is improved; the shrimps are a nuisanceless environment-friendly food after eating the feed; and the feed improves economic benefits for feed producers and farmers, and is favorable for the sustainable development of the fishery.

The invention provides a compound feed for adult procambarus clarkii. The compound feed comprises the following components in parts by weight: 75 parts of plant baits, 15-25 parts of animal baits, 0.1-5 parts of microorganism baits, 1-5 parts of composite multi-vitamin and 1-5 parts of composite multi-mineral, wherein the plant baits comprise the following components in parts by weight: 12 parts of corn flour, 15 parts of bean cake meal, 16 parts of wheat flour, 13 parts of purple sweet potato powder, 12 parts of pregelatinized starch, 10 parts of yam powder, 6 parts of garlic powder and 6 parts of carrot powder; the animal baits comprise the following components in parts by weight: 25 parts of white fish meal, 12 parts of fish bone meal, 14 parts of meat bone meal, 2 parts of feather meal and 8 parts of shell powder; the microorganism baits comprise the following components in parts by weight: 3 parts of yeasts and 2 parts of lactobacilli. The compound feed is comprehensive in nutrition, high in bait utilization rate, low in disease rate and good in economic benefit; the growth speed of the procambarus clarkii is increased, the growth cycle of the procambarus clarkii is shortened, and the immunity of the procambarus clarkii is improved.

Continuous direct enzymatic protein solubilization process for industrial wastes. The present invention involves a sequential enzymatic process which enables solubilizing proteins that are present in determined industrial wastes, permitting the use of by-products. The wastes used can be of plant origin (rice bran, algarroba seed, etc.) or animal origin (Procambarus clarkii or American crab). The main process includes two steps: a first step of successive washings with acidified water and a second step of continuous enzymatic hydrolysis. Variants to the main process are shown without pretreatment of the wastes with acidified water. These solubilized protein wastes (peptones) have an application, among others, in the formulation of culture media, in the biosynthesis of pharmaceutical and food products, in clinical or dietetic nutrition, as additives in cosmetics and as components of organic fertilizers.

The invention discloses a factory-like procambarus clarkii breeding method which is applied to a breeding system. The breeding system comprises a breeding area, a plurality of separation nets are arranged in the breeding area, and the breeding area is divided into a plurality of breeding spaces by the separation nets. The breeding method includes the steps: placing procambarus clarkii parents intothe breeding spaces according to the male and female proportion of 1:1; breeding mated ovigerous females in the breeding spaces in a temperature control manner; hatching shrimp eggs: separating shrimp seeds from the females and hatching the shrimp seeds into juvenile shrimps in a temperature control manner according to a first mode; washing the shrimp eggs growing to be orange, placing the separated shrimp eggs into a hatching barrel at the temperature of 9-12 DEG C and preserving the separated shrimp eggs according to a second mode; taking out the separation nets and seed shrimps after the shrimp seeds are hatched; breeding the juvenile shrimps until the juvenile shrimps grow into 3-4cm long procambarus clarkii. The breeding speed of the procambarus clarkii can be controlled, so that synchronism of the shrimp seeds is guaranteed, and individual difference caused by different growth speeds of the same batch of shrimp seeds is avoided.

The invention discloses a novel disease-resistant additive for adult procambarus clarkii shrimps. The novel disease-resistant additive comprises the following components in parts by weight: 30-80 parts of a plant extraction polysaccharide compound, 20-50 parts of a yeast compound, 5-40 parts of levamisole, and 5-30 parts of sodium alginate, wherein the plant extraction polysaccharide compound comprises 30-40 parts of astragalus polysaccharide, 15-20 parts of bamboo shoot polysaccharide, and 20-25 parts of rice bran polysaccharide; and the yeast compound comprises 20-40 parts of yeast cell walls and 20-30 parts of selenium yeast. According to immunoenhancement components which are screened, not all the components having the best immunoenhancement properties are combined, while through comprehensive consideration of complementary characteristics, synergistic efficacy and immunoenhancement effects of the components, under the combined action of the components and within a specific contentrange, synergistic effects are achieved. The disease-resistant additive disclosed by the invention is added to the feed, so that the disease resistance of the adult shrimps can be obviously improved,the breeding survival rate can be increased, the breeding yield can be increased, and the mortality rate of the adult shrimps can be reduced. The water quality of a pond can be improved to a certainextent, the used raw material sources are stable to supply, and the production technology is simple.

The invention discloses procambarus clarkii prepared according to a secret recipe. The procambarus clarkii can be removed out of the pan and eaten after cleaning and then drying the cooking materials including Szechuan lovage rhizome, tsaoko amomum fruit, fructus amomi rotundus, dried ginger, bark of Japanese cinnamon, fennel fruit, lesser galangal rhizome, hispid fig, clove, dahurian angelica root, galanga resurrectionlily rhizome, small galangal, dried tangerine peel and anise, mixing and grinding the materials, boiling water, adding the cooking materials to the water, continuously heating the materials, adding salt, white sugar, monosodium glutamate and essence of chicken, continuously heating the materials, filtering the materials to obtain cooking liquor, cooling the cooking liquor for later use, soaking the procambarus clarkii with salt and vinegar, then cutting off the gastric pouch at the head and the gut at the tail, cleaning up the procambarus clarkii, heating salad oil, putting garlic, peppers and chilli powder in the salad oil, frying the garlic, the peppers and the chilli powder until fragrance is sent forth, immediately pouring the procambarus clarkii, stir-frying the procambarus clarkii until the procambarus clarkii shell is colored, then pouring the cooking liquor and cooking the materials together with big fire and then braising the procambarus clarkii with small fire. The procambarus clarkii has the beneficial effects that the condiments have the functions of removing the smell of fish, sterilizing, harmonizing the spleen and stomach, warming the liver and kidneys and eliminating cold to stop pain; the cooked procambarus clarkii has unique fragrance and can promote appetite and avoid suffering from excessive internal heat and harming bodies; and the cooked procambarus clarkii has good color, fragrance and taste, has faint scent and long aftertaste and is not dry or greasy.

The invention belongs to the technical field of procambarus clarkii aquaculture and discloses a breeding method of procambarus clarkii suitable for paddy field aquaculture. The method includes: S1, hatching; S2, culturing; S3, breeding; S4, releasing. By individual culture of berried female procambarus clarkii and young procambarus clarkii leaving maternal bodies and breeding of young maternal body with mobility, the procambarus clarkii in different sizes can be separated to obtain high-quality young procambarus clarkii, and the procambarus clarkii in different sizes can be released into different paddy fields conveniently, so that the survival rate of the young procambarus clarkii in the paddy fields is increased, self-harm injuries and death of the young procambarus clarkii in differentsizes can be reduced, and the specific yield of procambarus clarkii can be improved.