2013 results about "Prawn" patented technology

The invention discloses a method for extracting krill oil with high phosphatide content from Antarctic krills. The method comprises the following steps: (1) drying fresh Antarctic krills to obtain dry Antarctic krills; (2) performing extraction to dry Antarctic krills for 3 times with organic solvent; (3) mixing the extracting solutions, evaporating the mixed extracting solution to obtain Antarctic krill oil with the phosphatide content of 30-35%; then introducing nitrogen or carbon dioxide to remove the residual organic solvent; and adding polar organic solvent in the Antarctic krill oil, mixing evenly, standing to ensure that the mixed solution performs natural layering; and evaporating the lower solution to obtain the Antarctic krill oil with high phosphatide content, and then introducing nitrogen or carbon dioxide to remove the residual polar organic solvent so as to obtain a product. The extraction technology is performed at a low temperature, thus the red color of krill oil can be maintained and the beneficial ingredients in the product can not be damaged. The invention has high extraction efficiency and good phosphatide accumulation effect. Therefore, the Antarctic krill oil with high phosphatide content can be obtained and other byproducts can also be obtained.

An efficient breeding method for crayfish in fresh water of a rice field is disclosed. The efficient breeding method for the crayfish in the fresh water of the rice field comprises the steps of: selecting the rice field which is sufficient in water source, convenient in irrigation and drainage, strong in water-retaining capacity, not dry when meeting with heavenly stems and not submerged by floods and has a good ecological environment, no pollution source around, fertile soil and a substrate natural structure; placing grass carp summer flower, bighead carp summer flower and field snails after the young crayfish is placed; filling decayed cow dung every half a month at a filling amount of 50-100 kg per each mu; checking submerged plant mow and filling aquatic plant every half a month; filling animal fodder such as fish meat and meat of spiral shells of 2-4 kg per each mu every week.

An three-dimensional intensive culture technique of shrimps, crabs and shellfish in a seawater pond comprises the following steps: the pond is cleaned up before stocking, the bottom of the pond is solarized, a central canal and a circular canal are excavated, and feed water is disinfected and sterilized with medicines; fresh seawater is fed, the water quality culture, fertilization and algae culture are carried out, a lifting device for a swimming crab breeding cage is prepared, and lines are parallel set up at the two ends of the culture pond with each line spaced 50cm; and 30cm higher than the surface of the water, the cage is suspended every 50cm, the inside of the cage is provided with fine sand, the outside of the cage is sheathed with a plastic netting, benthonic seashells are put into the cage for the first, and the stocking density is 30 benthonic seashells per mu, then the stocking of prawns is carried out, and the stocking density is 5000 prawns per mu. By adopting the three-dimensional multi-species hybrid culture technique of shrimps, crabs and shellfish in a seawater pond, the water layers of the stocking ponds can be fully utilized, the utilization rates of each water layer of the stocking ponds, stocking devices and manpower are further improved, the water purification capacity of the seashell can be fully utilized, and the swimming crabs are suspended in a cage, thus avoiding cannibalism and catching and killing the shrimps and seashells in the same pound; Furthermore, the three-dimensional intensive culture technique provides adhesion and sheltering objects for prawns, and achieves the purposes of improving yield and increasing economic benefits.

The invention relates to an ecological breeding method for mixedly breeding tilapia mossambica and litopenaeus vannamei boon, which is used for breeding fish and prawn in a pond. The invention discloses an ecological breeding mode for mixedly breeding the tilapia mossambica and the litopenaeus vannamei boon. In every spring (from late March to early April), when water temperature stably recoveries at more than 20 DEG C, the pond can be sterilized by calcium oxide in a drying way with quantity being 75-100 kilogram for each acre, after 5-7 days when toxicity is unavailable, the litopenaeus vannamei boon larvaes and the tilapia mossambica seeds are stocked by means of mixed breeding, wherein the litopenaeus vannamei boon is stocked at least for one time. Feeding quantity in each day is depended on 3-5% of the weight of the tilapia mossambica twice a day, and can be properly increased or decreased according to weather, water quality and feeding condition without special feed for the litopenaeus vannamei boon, the pond is sterilized by calcium oxide with quantity being 15-20 kilogram for each acre, once to twice in each month, and the pH value of the pond is adjusted to be alkalescence. The method can naturally obtain the best ecological benefit of cultural environment, reduces disease of fish and prawn, increases physique, improves growth speed, enlarges the individual size, and increases average yield.

The invention relates to a cultivating technique of cross bred lobster in rice field and pond. The technique is the producing manner which utilizes the shallow water environment in the rice field and is supplemented by artificial measures to plant the rice and cultivate the lobster to increase the profit of the unit rice field area. Since the freshwater cross-bred lobster has low requirements on water and the cultivating place, and fish culture in paddy field is a tradition in a plurality of areas in China, and the economic profit of the unit rice field area can be effectively increased by popularizing the culture of the freshwater cross-bred lobster in the rice field when the profit of fish culture is dropped. The culture of the freshwater cross-bred lobster in the rice field can facilitate weeding and pest eliminating in rice field and save fertilizer and pesticide; and the rice yield of the rice field raising the lobster can be increased by 5percent to 15percent generally. In some areas, in particular the areas of waterlogged lowland, winter macerated fallowland and cold water paddy field, where only single cropping is allowed, the mode of the rice planting and the freshwater cross-bred lobster cultivation in turn is adopted and the economic profit is remarkable.

A data acquisition and retrieval system (11) for fishing. Input means (37) are provided for inputting: (i) geographical positioning data indicating the geographical position of a point for fishing in substantially real-time relative to a region: (ii) weather data indicating the prevailing weather conditions applying to the geographical position of the point in the region; (iii) fish data characterising the fish located at or obtained at the point; (iv) time data specifying the date, time or season corresponding to the real-time at the point; and (v) water condition data of the prevailing environment at the point. A database (60) is provided for storing the data input by the input means (35) relative to the geographical position of the point and linking the data to any previous data stored for the particular geographical position of the point. A graphical user interface accesses the linked data of the database and outputs it in an appropriate medium, usually a display that presents an image pane (141), for interpreting by a user of the system. The system is particularly suited to lobster or prawn fishing in the ocean and can be used to predict where to fish. A method for fishing based on the system is also described.

The invention discloses a garden stuff, spice, edible flower, marine fish and shrimp combined sweet, sour, hot and delicious sauce. The sauce is prepared from main materials and auxiliary materials through the steps of combining the main materials and the auxiliary materials, and then, adding seasonings including white sugar, stevia rebaudiana, table salt, shallot, ginger, garlic and pepper, wherein the main materials include one or more selected from fresh fruits, fresh vegetables, botanical spices and edible flowers, and the auxiliary materials include marine fishes and shrimps. According to the invention, the main materials including fruits, vegetables, botanical spices and edible flowers are rich in various celluloses, vitamins, enzymes, polysaccharides, polyphenol and other natural nutritional ingredients, botanical spices provide special fragrance for the sauce, the delicate flavor of the sauce is increased through adding the marine fish and shrimp components, and the protein component is additionally provided, so that the nutritional value of the sauce is increased. The garden stuff, spice, edible flower, marine fish and shrimp combined sweet, sour, hot and delicious sauce is prepared from pure natural raw materials, is high in nutritional value, sweet, sour, hot and delicious in flavor through natural fermentation, free of additives and special in taste, and can be eaten instantly, dipped, used for cold dressing and cooking and eaten with rice or bread.

The invention relates to an ecological trepang culture method in silt sandy ponds in coastlands, which belongs to the aquaculture field. The method comprises the steps of setting a pond, setting trepang reefs, disinfect the pond, controlling feed water, cultivating feedstuff, stocking young trepang and managing culture. The feedstuff culture which is performed in April to May comprises the following steps: firstly, transplanting benthic diatom in a height of 0.8 to 1 m feed water depth in the pond in the prior period, with 5 to 10 L of benthic diatom liquid per Chinese acre; secondly, transplanting ruppia maritime and amphilhoe japonice, especially, integrally transplanting ruppia maritime through pulling up by the roots according to the quantity of 5 to 15m per square meter, and transplanting amphilhoe japonica according to the quantity of 1.5 to 3 kg per Chinese acre after the transplanting of ruppia maritime; thirdly, poly-culturing mussel organism; fourthly, feeding water to the pond to the depth of 3 to 4 m, and stocking prawns according to the quantity of 500 to 1500 per Chinese acre. In the method of the invention, ecological feedstuff is adopted for transplanting and polyculture, therefore, not only the cost of artificial feedstuff is saved, but also the natural ecological environment is created for trepang culture.

The invention relates to a lLitopenaeus vannamei compound feed and belongs to the field of shrimp feed and preparation methods thereof. According to weight percentage, the compound feed contains 10-15percent of fish meal, 18-22 percent of fermented soybean meal, 8-12 percent of peanut cake, 2-6 percent of corn protein powder, 8-10 percent of soya bean meal, 20-25 percent of high gluten flour, 2-6percent of shrimp shell powder, 1-3 percent of selenium-enriched yeast, 1-3 percent of bentonite, 2-4 percent of squid extract, 2-4 percent of kelp powder, 0.5-1.5 percent of monocalcium phosphate, 0.5-1.5 percent of fish oil and 2-4 percent of premix. The compound feed can substitute for the present prawn compound feed and be used for the artificial breeding of litopenaeus vannamei. The compoundfeed is good in palatability, easy to digest and absorb and nice in the stability in water, reduces feed coefficient and cost, nitrogen and phosphorus emission and pollution to the water body environment of culture zones, and can promote the growth of prawn, with balanced nutrition.

The invention discloses an efficient feed breeding method for chicken lobsters. According to the method, a paddy field having the characteristics of sufficient water source, convenience in irrigation and drainage, high water retaining capacity, drought resistance on dry weather, flooding resistance, good ecological environment, freeness from surrounding pollution source, rich soil and natural substrate structure is selected, and ctenopharyngodon idellus, aristichthys nobilis fries, river snails and the like are put into the paddy field after juvenile chicken lobsters are stocked. As proved by comparison, by adding a compound microorganism fertilizer, rapid growth of chicken lobsters can be promoted, the content of EPA (Eicosapntemacnioc Acid) is increased, and diseases of chicken lobsters are reduced, chicken lobsters died due to diseases are reduced; and meanwhile, beneficial microorganisms in water bodies are increased, and the final quality is improved.

The invention discloses a method for mixed culture of crabs, shrimps and mandarin fishes. The method comprises the following steps: (1) water in a pool is 0.3-1.5m deep, the slope ratio of the pool is 1:3, high-protection facilities are built at the periphery of the pool, and an automatic aerator is arranged per 667m<2>; (2) the plant area of waterweeds in the pool accounts for one third of the area of the pool, and at the same time, snails are stocked; (3) at the end of March, 500-700 crabs per 667m<2> are stocked based on the standard of 80 crabs per kg, 5-7kg of post larvae of lobsters per 667m<2> are stocked in the first and middle third of April based on the standard, 7-10 mandarin fishes per 667m<2> (in 5 cm length) are put in the last third of May, and 6 kg of fingerling silver carps per 667m<2> are put in the first third of June based on the standard of 800-1000 fingerling silver carps per 1kg; (4) overhead price river crab feed cp.40% is used, supplementary with wheat and bean pulp, feed amount daily is controlled to 4-6% of the weight of shrimp and crab; and (5) a water quality regulator is used for one time per 15-30 days. On each day, shrimp and crab shell auxin and allicin, the amount of which account for 1-1.5% of the amount of feeds, are added.

The invention discloses a health-care compound feed for prawns and a production method thereof. The invention aims to provide a health-care compound feed for prawns, which can improve immunity in the prawns, utilization rate of feed and water quality, and a production method thereof. The formula of the raw material comprises the following components in part by weigh: 1 to 6 parts of imported white fish meal, 20 to 25 parts of steamed fish meal imported from Taiwan, 2 to 8 parts of steamed fish meal made in China, 18 to 22 parts of high-gluten wheat flour, 15 to 22 parts of peeled soybean pulp, 8 to 15 parts of peanut cakes, 2 to 6 parts of defatted shrimp meal, 1 to 3 parts of beer yeast cream, 1 to 3 parts of soyabean lecithin oil, 0.5 to 2 parts of refined fish oil, 0.5 to 2 parts of monocalcium phosphate and 1 to 4 parts of additive premix. The production method comprises: crushing, primary material mixing, secondary material mixing, hardening and tempering, granulating, braising, aging, drying, cooking, sieving and packaging. The invention can improve the breeding yield of pawns, reduce discharge pollution, improve water environment and the like.

The high-yield breeding method of Japanese prawn includes controlling white spot of Japanese prawn with two-layer latent-sand aquiculture pond, convective circulating sand washing via pneumatic lift of water, automatic dirt collection and drainage via horizontal circulating flow, through and feeding live feedstuff through special treatment, applying prawn disease treating chemical powder and water sterilizing medicine, using transparent plastic house and hibernation via using solar energy completely. The aquiculture pond is downwards inclined towards the center and has water inlet and drainage holes, dirt drainage hole, dirt drainage well, support under the pond bottom, porous plate, screen, sand layer and spawn escape preventing net.

The invention discloses a high-circulation water fish prawn and crab culture method, which comprises four steps including pool management, fish fry stocking, water quality regulation and material throwing feeding. Through adopting the mode, the high-circulation water fish prawn and crab culture method has the advantages that corresponding purifying equipment can be utilized for repeatedly and sufficiently utilizing water resources, a better green and environment protection effect is achieved, in addition, various kinds of different aquatic products can be simultaneously fed, and the quality and the yield of the products are improved.

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 safe compound feed of juvenile prawn of penaeus vannamei boone, which consists of bean pulp, pea albumen powder, fish powder, blood cell albumen powder, cuttlefish powder, shrimp shell powder, double-low rapeseed meal, cotton pulp, monocalcium phosphate, No. 1 flour, gluten powder, 50% choline chloride, complex vitamin for shrimp, microelement additive for shrimp, bacillus licheniformis, decorticating element, lower polyxylose, fermented peptide for aquatic product, gene recombinant protein growth promoter, nutrition immunology aquatic product food attractant, phospholipids oil and fish oil. With the gene recombinant protein growth promoter, the nutrition immunology aquatic product food attractant, and the high antibacterial peptide-containing fermented peptide, the safe compound feed can effectively restrain various enteropathogenic bacteria, improves the digestibility of the nutrition constituent of the feed, promotes the growth of the penaeus vannamei boone, can improve the organism immunity of the penaeus vannamei boone, and can obviously improve the survival rate of the penaeus vannamei boone.

The invention provides a processing method for frozen and cropped freshwater chicken lobsters capable of being quickly tasty and belongs to the technical field of food processing and preservation. The processing method comprises the following steps of: based on cleanly-washed chicken lobsters as raw materials, frying the chicken lobsters by oil for future use; utilizing crushed condiments to boilsoup and cooling to obtain low-temperature seasoning soup; cooling and immersing the fried chicken lobsters, placing the chicken lobsters on a plate and pouring the soup; and penetrating in vacuum and quickly freezing to prepare the delicious cropped freshwater chicken lobster product. The processing method applies a condiment crushing technology, a dewatering, immersing and taste penetration technology and a vacuum and taste penetration technology to accelerating diffusion and penetration of seasoning substances in lobster meat, and solves the technical problems that the taste penetration needs to boil the chicken lobsters for a long period of time to cause that the protein of the lobster meat is deformed by heating, the meat is aged and the taste is poor, so as to obtain the cropped chicken lobsters with fresh meat and delicious taste. The processing method can realize mechanical and standardized industrial production and the freezing quality guarantee period at -18 DEG C is 9-12 months, so as to meet the requirements of customers on delicious, convenient and safe chicken lobster product; and therefore, the market prospect is wide.

A composite forage for young white prawn is prepared from 184 raw materials including fish powder, soybean cake, peanut cake, choline chloride, vitamins, etc.

The invention discloses a penaeus monodon larva stage microparticle feed comprising protein source raw materials, fat source raw materials, sugar source raw materials, antioxidants, phagostimulant, multi vitamins and complex mineral salts. The feed can improve survival rate of penaeus monodon at a larva stage, enables the larvae to be produced fast and stable under water, and rapid in ingestion, has the advantages of being convenient to use and low in the pollution of the environment and the like, and solves the problems that current organism baits are unstable in quality and quantity, prawn slices on the market are unbalanced in nutrition, water contamination is too serious to control at a larva breeding stage and the like; accordingly, healthy development of penaeus monodon larva production and breeding is promoted, and the feed is of great significance.