1040 results about "Crayfish" patented technology

A fishing lure made of soft flexible material. The various shapes of the lure resemble fish, bait, squid, lizards, crayfish, jig trailers, swimbaits, reapers, jerk baits, and other shapes. The tail portion of the fish shaped lure normally has a paddle type tail, which when pulled through the water moves horizontally from side to side, imitating the swimming action of fish. These fish lures are often called swimbaits or paddle tails. The lure has a piece of reflective foil, larger than the size of glitter common to prior art, placed on the surface of the lure or within the lure. The reflective strip normally has a holographic design pattern, such as fish scales or other patterns.

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.

Crayfish food comprises ingredients in parts by weight as follows: 100 parts of crayfish, 50 parts of vegetable oil, 10.6-15.2 parts of spice, 0.3-0.5 parts of transglutaminase, 0.3-0.5 parts of nisin, 0.2-0.5 parts of konjac glucomannan, 0.2-0.4 parts of chitosan, 0.4-0.5 parts of lecithin and 0.08-0.16 parts of delta-gluconolactone. According to the crayfish food, crayfish balls are used for preparing instant food, crayfish shells are used for preparing chitosan, and raw materials are sufficiently utilized; transglutaminase in the raw materials prompts crosslinking of crayfish meat protein crosslinking amino acid, tenderness of a product is improved, natural food antiseptics such as nisin and the like meet requirements of people for food health, and at the same time, the guarantee period of the crayfish food is prolonged to 12 months; and defects that crayfish products which can be stored at the normal temperature are less, the guarantee period is short and the like are overcome, and the crayfish food has good market prospect.

The invention discloses a polyculture method of river crabs, crayfish and mandarin fish. The polyculture method of the river crabs, the crayfish and the mandarin fish comprises the following steps of building a pool, cleaning and disinfecting the pool, planting aquatic plants, putting snails into the pool, disinfecting seeds, putting the seeds into the pool, feeding fodder, regulating and controlling the water quality of the pool, and catching products. According to the polyculture method of the river crabs, the crayfish and the mandarin fish, which is provided by the invention, the effective control on the kinds, the total quantity and the specification of cultivation can be realized, the cultivation cost is reduced, and the economical benefit of the cultivation is increased.

Disclosed is a feed stuff for red crayfish which comprises the constituents of (by weight percent) fish flour 8-12%, soybean waste 42-52%, black fish flour 2-4%, vegetable meal 2-4%, soybean waste 2-4%, fish oil 2-3%, soybean oil 2-3%, soya bean lecithin 1-2%, alpha-starch 3-4%, calcium hydrogen phosphate 2-3%, cholesterin 0.25-0.75%, choline chloride 0.5-1.5%, and balancing composite vitamins, complex minerals and probiotics.

The invention discloses a pollution-free fresh water lobster breeding method which includes the steps that a pool is prepared, a greenhouse, an anti-theft facility and a water inlet / outlet pipe with a filtering screen piece are configured, water is injected after sunshine, water plants are planted after disinfection, slow-release nutrient substance and small shelters are put into the pool, the water temperature, dissolved oxygen and PH value of the pool are adjusted, then young lobsters are put into the pool, feeding is conducted according to different periods of the young lobsters, the water quality is improved at a fixed period, young grass carp and screws are put into the pool, and pollution-free fresh water lobsters are obtained. By means of the pollution-free fresh water lobster breeding method, an excellent growth environment is provided for the lobsters through algae, the slow-release nutrient substance and the small shelters, microorganism reagents and vitamin complex are put into the pool at a fixed period, the lobsters are fed according to different growth periods, quick growth of the lobsters is promoted on the basis of guaranteeing healthy and pollution-free lobsters, and the yield of the lobsters is increased.

The invention discloses a pellet feed for young crayfish. The pellet feed is prepared from the following components by weight: 20%-32% of fish meal, 15%-30% of bean pulp, 8%-12% of flour, 6%-10% of bran, 6%-10% of corn flour, 0.5%-5.4% of mixed oil, 2%-30.8% of rice bran, 1%-2% of various vitamins, 2%-3% of composite mineral substance, 0.5% of adhesive, 0.05%-0.1% of exuviation element and 0.5%-1% of salt. The pellet feed for young crayfish contains 28%-32% of protein and achieves a good breeding effect as well; as the raw materials are cheap, therefore the breeding cost is effectively reduced, the breeding benefit of crayfish culturing farmers is increased; and protein resource waste is effectively reduced, ammonia content and nitrogen content in a water body are reduced, and the water load is decreased.

The invention relates to a crayfish rice continuous-cropping breeding and planting technology. The invention has the special technical key points that: the rice field, which has good water quality, sufficient water and no pollution source and is convenient to irrigate and drain, is selected to breed crayfish; the area of the rice field is properly over dozens of acres; feeding ditches are excavated in ridges; a crayfish rice continuous-cropping breeding and planting mode comprises three modes of throwing seed crayfish, throwing ovigerous crayfish and throwing young crayfish; according to the requirements of the three modes, the seed crayfish or the young crayfish are thrown sufficiently in one step; when a large number of young crayfish move, artificial feed such as minced fillet, scrambled screw clam meat and the like are fed properly; in winter, crayfish enter caves to live through the winter; in March of the next year, the crayfish come out again after water temperature rises again, wherein the water temperature is controlled by a method for adjusting water depth and is controlled to be 20 to 30 DEG C commonly; and the crayfish are caught at the end of March to at the end of May every year. By the technology, the rice field can be utilized completely to artificially cultivate the crayfish; the problem that the rice field leaves unused in rainy seasons of winter and spring is solved; and a wide prospect for farmers to achieve prosperity is achieved.

The invention discloses a method for culturing crayfishes. The method includes the steps of 1, preparing a pond; 2, breeding young crayfishes, wherein 25 kilograms to 30 kilograms of young crayfishes are bred in per mu of the pond; 3, throwing feed, wherein animal feed is mainly thrown in April and May, vegetable feed is mainly thrown in June, July and August, and animal feed is mainly thrown in the period from the late September to the catching period; 4, controlling the water quality, wherein 15 cm to 20 cm of water is added per week; 5, preventing and treating diseases, wherein pond water is sterilized through quick lime at regular intervals, and the use amount for one-meter-depth water is 15 kilograms per mu; 6, carrying out catching at the right moment, wherein after the crayfishes lay eggs, when young crayfishes grow to have the weight ranging from 40 g to 50 g, the adult crayfishes are caught. According to the method for culturing the crayfishes, as the links such as the pond, the young crayfish breeding number, the feeding amount, the feeding time, the water quality, disease preventing and treatment and catching are reasonably controlled, injuries of natural enemies, diseases and the like to the crayfishes can be greatly reduced, the survival rate of the crayfishes is high, the growth speed is high, and the yield is high.

The invention provides a feed used for crayfish in growing period. The feed comprises following ingredients: corn flour, sorghum flour, rice powder, peanut powder, yeast powder, algae powder, fish meal, silkworm pupa powder, composite vitamin, composite multi mineral and a core additive. The core additive comprises common yam rhizome, radix astragali, radix polygoni multiflori, angelica sinensis, cordate houttuynia, motherwort, pericarpium citri reticulatae and licorice. The feed is capable of providing basic nutrient substances for crayfish in growing period, and promoting rapid growth of crayfish in growing period. The addition of algae powder and the core additive is capable of increasing growth efficiency of crayfish in growing period, and improving self immunity of crayfish in growing period. Mortality is reduced greatly, safety of the feed is high, raw materials are widely available, and cost is low.

The invention discloses a novel crayfish and rice rotation breeding and planting method. The method comprises the following steps: a crayfish fry pond and a breeding pond are built separately in the area ratio being 1:(4-10). Seed crayfish are put into the crayfish fry pond, and after crayfish fries are bred, the crayfish fries in the consistent specification (60-70 crayfish per jin) are caught and then put into the breeding pond in the density of 5,000-8,000 crayfish per mu. After the crayfish fries in the breeding pond grow to be 20 g or above, the crayfish fries are caught in a catch rotation manner that only large crayfish fries are caught, then crayfish fries are caught from the crayfish fry pond and put into the breeding pond after the large crayfish fries in the breeding pond are caught, and accordingly, the breeding density of the breeding pond keeps unchanged. After all the crayfish fries are almost caught, rice is planted in the breeding pond in the traditional planting density. The breeding density of crayfish can be well controlled, burst of diseases caused by high breeding density of the crayfish is avoided, and finally, high-quality commodity crayfish are obtained. The utilization rate of land is increased in the manner of catching and stocking rotation, and better benefits are obtained.

The invention discloses a technique for rearing crayfish seedling, which is characterized in selecting and establishing a rearing field, scientifically mating and breeding, scientifically stocking juvenile prawn, scientifically rearing the juvenile prawn, managing water quality and preventing natural enemies and drug hazards. The technique for rearing the crayfish seedling has beneficial effects that: the quality of crayfishes can be improved, and popularization of the intergrowth of the crayfishes and paddies can be realized.

The patent provides a preparation method of bread freshwater lobster cake and relates to a food processing method, specifically which is bread cake making method with freshwater lobster as material, wherein the procedure for making break includes, conventional blank-making, quick freezing, enveloping slurry, enwrapping breadcrumb, pre-frying, pre-cooling, packaging and warehousing. Bread freshwater lobster cake made with the method of invention has following advantages including, golden yellow appearance, testing crisp and tender, special flavor, which can be eaten by simple frying, portable and suitable to people of all ages. The present invention provides a making method of bread freshwater lobster cake to accord with common dietary of east and west people, which increases variety of freshwater lobster production, thus contributes to expand domestic and foreign markets of freshwater lobster production.

The invention discloses a freshwater crayfish culturing method, comprising the following steps of: a, selecting a culturing ping; b, preparing before culturing; c, putting into crayfish fingerlings; d, scientifically feeding; e, controlling water quality. According to the above manner, cultured crayfish have the advantages of being large and high in meat quality, and also have high yield and good culturing economic benefit.

The invention provides a crayfish-rice co-culture ecological culturing and breeding method. The method is characterized by particularly comprising the following steps of 1 rice field preparing, 2 rice field disinfecting, 3 aquatic plant transplanting, 4 crayfish seed stocking, 5 crayfish seed managing and 6 crayfish seed fishing. According to the method, a batch of crayfish seeds are harvested in March to April, the first batch of commercial crayfishes are harvested in April to May, and the second batch of commercial crayfishes or parent crayfishes are harvested in August to September; the culturing limitation of the prior art is reduced, ecological resources are utilized, the problem that in the existing mode, the yield is low, and the death rate is high are avoided, combined and cooperative culturing of ecological rice and crayfishes is achieved to a great extent, the crayfish culturing yield is increased, and the crayfish culturing quality is improved.

The invention belongs to the technical field of aquaculture and discloses a paddy field cultivation method for crayfish. The paddy field cultivation method is characterized by comprising the following steps of (1) paddy field preparation; (2) crayfish stocking; (3) feeding; and (4) breeding management, including the processes of (a) water quality control, (b) disease control, (c) overwintering management, and (d) catching of finished crayfish. The paddy field cultivation method for crayfish is aided by natural baits, such as hydrilla verticillata and living snails as foods for the crayfish, so that the breeding survival rate, nutrients and taste of the crayfish are improved; cyclic utilization of paddy field substances is achieved by adopting the natural bait of a paddy field ecosystem; and the breeding cost is also reduced.

The present invention discloses a spiced crayfish preserved with soy sauce and a method for producing the same, the batching is composed of 25-40g of sauce, 125-200g of salt, 100-200g of white sugar, 30-50g of aniseed, 30-50g of cassia bark, 10-20g of star anise, 15-30g of Chinese red pepper, 2-3g of cloves, 50-100g of welsh onion, and 50-100g of ginger. Each batching may be made into 2500-5000g of crayfish. The production process includes steps of removing the leg, whisker, gut and gills of the crayfish, cleaning, grading, dipping and scalding, spiced preserving with soy sauce, sterilizing with microwave and vacuum packaging and the like. By means of preserved with soy sauce by employing scenting agents, the spiced crayfish tastes well and is adapted to popular taste.

The invention discloses a processing method of freshwater crayfish pre-prepared products. The method includes the steps of firstly, selecting and grading; secondly, cleaning; thirdly, frying; fourthly, vacuum cooling; fifthly, soaking with seasoning liquids; sixthly, nitrogen-filled packing; seventhly, quick-freezing; eighthly, performing cold storage. The method has the advantages that the crayfish is soaked with special cleaning fluids to allow the crayfish to spit out dirt in the intestine line, and complex manual intestine line removing is avoided; high-temperature fast frying and special soaking with special seasoning liquids are used, and the difficulties that crayfish meat protein deteriorates easily, flavor substances lose easily and flavor cannot enter the crayfish in subsequent processing are solved; the vacuumizing and nitrogen filling freshness keeping technology is used, and the crayfish is prevented from being oxidized by oil acid during storage.

The invention discloses stewed shrimps for health care and nourishment having the effects of nourishing yin, strengthening yang and supplementing calcium. The stewed shrimps are prepared by the following steps of: selecting wildly fostered crayfishes and washing the crayfishes with clean water; cleaning the crayfishes; opening backs and removing bowels with a knife for later use; stirring and frying white sugar to be yellowish and pouring blend oil into a pan; putting ginger and seasonings for the health care and nourishment into the pan and stirring the materials slightly over small fire; adding flavorings into the pan; adjusting the fire to be big fire and putting the crayfishes into the pan; introducing the fire to burn the crayfishes to bright red with distilled spirit; adding broth to stew the crayfishes; adding gourmet powder or chicken essence; putting a little shallot and caraway into the pan; and taking the food out of the pan and placing the food in a bowl or a plate. The stewed shrimps for the health care and nourishment having the effects of nourishing yin, strengthening yang and supplementing the calcium overcomes the defect that the conventional crayfishes are usually stirred, cooked, steamed and fried directly so that the nutrition and the nourishment value of cooked crayfishes cannot be enhanced, can clear away harmful and toxic substances generated in the metabolic process of a human body and improve disease resistance of the organism, and has the effects of strengthening yang and blood, nourishing yin and conditioning the temperature, activating blood circulation to dissipate blood stasis, and removing pathogenic factors without any toxic or side effect.

The invention discloses a method for breeding lobster in a paddy field. The breeding method includes the following steps: 1) selecting the paddy field; 2) conducting ditch cleaning and disinfection which includes cleaning annular ditches and field ditches 10-15 days before lobster discharging to remove capping mass; 3) applying a base fertilizer which includes injecting 30-50cm of water into the paddy field 7-10 days before lobster discharging, then conducting fertilization to cultivate food organisms, applying 500-800kg of organic fertilizer in each acre of land through one step; 4) transplanting aquatic lives; 5) conducting filtering and escape prevention which includes: installing escape prevention and filtering facilities such as bamboo foils, barbed wires and nets at a water inlet and a water outlet to strictly prevent enemy organisms from entering the paddy field or prevent the fresh water lobster from escaping with water flow; 6) baby lobster stocking which includes directly stocking the parent lobster of the fresh water hybridized lobster in the paddy field to let them reproduce the lobster, wherein the specification of thrown baby lobster is 2-4cm after the seedlings are transplanted in the paddy field.

The invention discloses a freshwater crayfish feed for improving the meat quality. The freshwater crayfish feed is prepared from the following substances in parts by weight: 30 to 40 parts of soybean meal, 10 to 15 parts of corn meal, 8 to 10 parts of tea seed cakes, 6 to 10 parts of bone powder, 8 to 10 parts of mussels meat, 15 to 20 parts of silkworm chrysalis, 3 to 5 parts of smilacina atropurpurea, 4 to 6 parts of vallisneria natans, 2 to 4 parts of potamogeton distinctus, 5 to 8 parts of bentonite, 8 to 10 parts of sugarcane bagasse, 1 to 3 parts of composite vitamin, 1 to 2 parts of amino acid chelate, 3 to 5 parts of a Chinese herbal additive, and 4 to 6 parts of a composite additive. The feed disclosed by the invention is comprehensive and balanced in nutrition; the variety of raw materials is rich, so that the demands of freshwater crayfish in different periods for growth can be met; most of the used raw materials are pure and natural environment-friendly raw materials, and no drugs are retained in the bodies of the freshwater crayfish; the yield can be greatly increased; meanwhile, the freshwater crayfish tastes delicious and is chewy, so that a better breeding benefit is realized.

A fishing lure generally includes a body and a body extension member that extends rearwardly from the body. The body may be in the form of a grub or worm, and the body extension member may be in the form of a tail that extends from the rearward end of the body. Alternatively, the body may be in the form of a crayfish and a pair of body extension members, in the form of arms, may extend from the rearward end of the body. The body extension member includes first, second, and third portions. The first portion extends away from the body, and the second portion connects to the first portion. The third portion connects to the second portion and extends generally toward the body. The third portion includes a forwardly facing inner edge that may be linear, and the first and third portions preferably cooperate to form an acute angle.

The invention relates to method of crossbreeding the exotic fresh water crayfish, especially to method of crossbreeding the Luo shi swamp shrimp. The invention introduces the distant Luo shi swamp shrimp sprout A, mating the female parent shrimp and male parent shrimp of the distant Luo shi swamp shrimp sprout A with that of native breed and getting the cross cut B1+ and negative cross B1-; mating the cross cut B1+ and negative cross B1- with the native breed and getting the backcross B2++ of B1+, negative back cross B2+- of B1+, negative back cross B2-- of B1- and back cross B2-+ of B1-; breeding the backcross B2++ of B1+, negative back cross B2+- of B1+, negative back cross B2-- of B1- and back cross B2-+ of B1-. The survival rate and seed-accumulating rate of the four kinks of sprout is all good, the composition of water, coarse ash content, coarse protein, coarse fat content, amino acid and aliphatic acid is higher than that of native obviously by applying the technique in this invention, especially the breed-accumulating rate of the cross B2-+ of B1- is increased to 67.25%, the rate of emergence to 94.56%.

The invention discloses a method for integrated culture of rice-finless eel-crayfishp-trionyx sinensis. The method comprises the following steps: placing myriophyllum aquaticum in a ring-shaped ditchof a paddy field; putting crayfish seedlings in April or August, putting trionyx sinensis seedlings and cipangopaludina cahayensis in May, and putting finless eel seedlings in late June to early July;performing feeding; and catching crayfish in early June or early October, and catching finless eels and trionyx sinensis in November to December. According to the method for integrated culture of therice-finless eel-crayfish-trionyx sinensis, ecosystem biodiversity of the paddy field is improved, cannibalism degree of the crayfish is reduced, requirement for live baits of the finless eels and the trionyx sinensis is satisfied; and the method has the advantages of higher biological diversity, easy catching, adequate supply of live baits, more stable culture yields, higher economic benefits, and the likes.

The invention provides a shelling interphase crawfish feed. The shelling interphase crawfish feed is prepared from the following components: corn flour, sorghum flour, wheat middling, peanut powder, shell powder, algae powder, fish meal, calcium hydrogen phosphate, compound vitamin, mineral composites and a core additive, wherein the core additive is prepared from the following components: houttuynia cordata, astragalus root, eucalyptus robusta, radix achyranthis bidentatae, selfheal, garlic, green tea and licorice. The feed can provide basic nutrients for crayfishes in shelling interphase, the algae powder and the core additive are added in the feed to greatly reduce the mortality rate of the crawfishes, and the shelling interphase crawfish feed is high in security, wide in raw material source and low in price.

The invention discloses a high-yield freshwater crayfish culture method. The high-yield freshwater crayfish culture method comprises the following steps: (1) selecting a regular even-bottom pond, exposing the selected pond to the blazing sun for 204 days and performing pre-treatment; (2) selecting and throwing crayfish seeds which are healthy and strong, complete in appendage, free from diseases and injuries, strong in vitality and identical in size into the pond; (3) planting aquatic plants in the aquaculture pond, placing a plurality of facilities for crayfishes to inhabit or hide in the crayfish pond; (4) regularly, qualitatively and quantitatively performing feeding; and (5) fishing for the crayfishes in 6-7 months and 11-12 months in a centralized manner, or fishing for the big and remaining the small, wherein fishing can be performed throughout the year. According to the high-yield freshwater crayfish culture method, the pond, the seed throw-in quantity, the feeding quantity and time, the water quality, fishing and the like are reasonably controlled to greatly reduce harms of natural enemies, germs and the like to the crayfishes, the crayfish survival rate and growing speed are high, the yield is high, and further, economic benefits are improved. The cultivated crayfishes are delicate in meat and delicious in taste, has rich nutrition, including protein and the like, and is unique in flavor.

The invention discloses selenium-enriched organic compound fertilizer and its application in rice. The fertilizer comprises, by weight, 60-80 parts of cow dung, 80-100 parts of horse dung, 20-40 parts of crayfish shell flour, 20-30 parts of plant ash, 40-60 parts of wheat straws, 20-30 parts of astragalus smicus powder, 30-40 parts of diatomite, 10-16 parts of potassium humate, 4-6 parts of sodium selenite, 6-8 parts of urea, 10-12 parts of calcium superphosphate, 10-14 parts of a microbial agent, 1-2 parts of magnesium sulfate and 800-1000 parts of water. In rice application, the fertilizer is diluted by water according to a mass ratio of 1: 500 and then is applied to the leaf surface in a heading period and a full heading stage. The organic compound fertilizer has the characteristics of organic selenium fertilizer and inorganic selenium fertilizer, improves the absorption and enrichment of selenium in rice, promote plant growth, produce effects fast and keep long-term fertilizer efficiency.

The invention provides a method for breeding crayfishes in winter. The method for breeding the crayfishes in winter comprises the following steps of: (1) selecting and constructing a pond: the pond with a sufficient water source and no silt is selected, the selected pond includes a central shallow water area and a deep water area around the central shallow water area, and a slope is arranged between the two areas for transition; a water inlet and a water outlet are formed in the deep water area of the pond, filter screens of 30-50 meshes are arranged at the water inlet and water outlet, and temperature sensors are arranged on an inner side wall of the pond and the bottom of the shallow water area; a greenhouse is constructed above the pond and covered with thin film, a cover layer is addedonto the thin film, and a thermal insulation device is arranged in the greenhouse; (2) disinfecting the pond; and (3) performing feeding: crayfish seedlings with the length of 0.9-1.1 cm are put intothe cultivation pond prepared in the step (2), and feeding the crayfish seedlings with feed. According to the method for breeding the crayfishes in winter, it is made possible to breed the crayfishesin winter or in cold regions, the incidence is reduced, and the yield is improved.

The invention provides a feed for freshwater adult crayfishes. The feed comprises the following components in parts by weight: 80 parts of plant bait, 10-20 parts of animal bait, 1-3 parts of vitamin mixture and 0.5-1 part of growth promoting agent, wherein the plant bait comprises the following components in parts by weight: 24-54 parts of bean cake, 5 parts of potato powder, 20-45 parts of wheat middling, 8-18 parts of corn powder, 2-4 parts of yeast powder, 1-3 parts of starch and 0.5 part of sunflower seed powder; and the animal bait comprises the following components in parts by weight: 4-9 parts of fish meal, 4-9 parts of bone meal, 5-6 parts of shell powder and 0.05-0.15 part of shelling agent. On the basis that the advantages of natural organic feeds are kept, the growth speed of the crayfishes is increased, the growth period is shortened, the income of a farmer is greatly increased, and the enthusiasm of the farmer is improved.

The invention relates to a crayfish propagating and breeding method. The crayfish propagating and breeding method comprises the following steps of: (1), constructing a breeding pool; (2), putting parent crayfishes in a suitable place to breed; (3), feeding the parent crayfishes; (4), managing water quality; (5), propagating and hatching; (6), constructing a young crayfish culture pool; (7), putting juvenile crayfishes in a suitable place to breed; and (8), feeding the juvenile crayfishes. The crayfish propagating and breeding method disclosed by the invention is high in survival rate, high in yield and good in benefit.