419 results about "Red mullet" patented technology

The invention belongs to the field of feeds, specifically to a feed for grass carp. The feed for grass carp comprises the following components by weight: 10 to 40 parts of crude protein, 40 to 80 parts of corn gluten meal, 20 to 50 parts of peanut meal, 10 to 30 parts of vinasse, 1 to 4 parts of dicalcium phosphate, 5 to 15 parts of yeast powder, 1 to 5 parts of salt, 5 to 20 parts of a premix for grass carp, 2 to 8 parts of fish bone meal, 2 to 7 parts of an ecological preparation, 10 to 20 parts of cottonseed meal, 2 to 8 parts of housefly larva powder, 10 to 20 parts of wheat shorts, 2 to 7 parts of mineral elements, 2 to 9 parts of plant oil, 1 to 5 parts of a compound enzyme preparation, 1 to 4 parts of ferrous sulphate, 1 to 15 parts of tenebrio molitor, 5 to 15 parts of a Chinese herbal medicine additive and 2 to 8 parts of amino acid. Through feeding of grass carp with the grass carp feed containing plant extracts, feeds are saved, the quantity of reagents is reduced, feeding cost is lowered down, and grass carp breeding benefits are improved; the Chinese herbal medicine additive has a medicinal function, can improve immunity of grass carp, reduce generation of diseases in the process of breeding and decrease usage of medicaments and enables safe and reassuring grass carp to be produced.

The invention belongs to the field of feeds, in particular to a feed for meat duck. The feed comprises the following components by weight: 10 to 40 parts of crude protein, 40 to 80 parts of corn flour, 20 to 50 parts of peanut meal, 10 to 30 parts of soybean meal, 1 to 4 parts of calcium hydrogen phosphate, 5 to 15 parts of wheat, 1 to 5 parts of salt, 5 to 20 parts of a premix, 1 to 5 parts of calcium carbonate, 5 to 15 parts of sesame meal, 5 to 20 parts of rapeseed meal, 1 to 4 parts of methionine, 2 to 8 parts of fish bone meal, 2 to 7 parts of plant extract, 10 to 20 parts of cottonseed meal, 10 to 20 parts of shell powder, 2 to 8 parts of choline, 2 to 7 parts of trace elements, 2 to 9 parts of plant oil, 1 to 5 parts of a compound enzyme preparation, 1 to 4 parts of amino acid, 1 to 4 parts of zinc sulfate, 2 to 6 parts of yeast powder and 4 to 12 parts of rice bran. According to the invention, amino acid is balanced and the plant extract is added on the basis of original common daily ration so as to improve immunity of meat duck; a protein feed or amino acid balanced feed especially applicable to duck is a low-protein feed in essence; a variety of raw materials are cooperatively used in the invention, so protein content of the feed is reasonable, which enables meat duck to grow fast and a marketing cycle of meat duck to be shortened; addition of the plant extract improves disease resistance of meat duck.

The invention relates to an industrial aquaculture fish shelter. The industrial aquaculture fish shelter is characterized in that a first fish shelter body is composed of a cover plate and a base, a gas-filling device is arranged on the cover plate, and the gas-filling device which is located in a cavity is connected with a gas bag device; the base is provided with a plurality of through holes, and a plurality of concave pits are formed in the outer surface of the cover plate; an arc-shaped panel body of a second fish shelter body is arranged on the outer side of a star-like structure and partially covers the star-like structure, and the arc-shaped panel body and the star-like structure define one or more containing bodies with the two ends opened; an anchor body of a positioning anchor is provided with a plurality of containing cavities, barbs are arranged in the containing cavities, and the barbs are in rotation connection with a convex block on the anchor body through pin shafts. According to the industrial aquaculture fish shelter, the first fish shelter body can be matched with the positioning anchor to control the suspension height of the fish shelter by inflating and deflating the gas bag, and the second fish shelter body is of a porous structure and has the advantages of being large in concealed space, high in concealing property, good in water body circulation and the like; the positioning anchor is matched with the first fish shelter body and can regulate the suspension depth to conduct artificial enhancement, and the enhancement effect is good.

The invention discloses a method for preparing fish-and-rice mixed breaded fish sticks by using a microorganism leavening agent. The method is characterized in that fresh fish or frozen fish is taken as a raw material; and the fish-and-rice mixed breaded fish sticks are prepared by the following steps: pretreating and mashing the fresh fish or the frozen fish; inoculating the leavening agent; and filling, fermenting, sterilizing, cooling and storing. To sum up, the fish-and-rice mixed breaded fish sticks prepared by the method disclosed by the invention have unique fermentation flavors, are soft, fine and smooth in texture, and have the advantages of high resilience, high nutritive value, good safety and long storage period, thereby especially providing a brand new processing way for processing freshwater fish in China.

The present invention discloses mandarin fish cultivating method in pond, and belongs to the field of mandarin fish cultivating technology. The mandarin fish cultivating method includes sterilizing cultivating pond, breeding bait fishes in cultivating pond, breeding mandarin fish fry after the bait fishes grow to 40-50 % length of mandarin fish fry, transferring the mandarin fish of 6-10 length to sterilized pond with bait fishes in the length of 50-60 % of mandarin fish and cultivation to adult mandarin fish. The mandarin fish cultivating method has high mandarin fish survival rate, high yield and less disease.

The invention discloses an alga control method for a freshwater environment based on cultivation of barracudas and mullets, relating to a water treatment method. Aiming at solving the problem that algae can not be stably and thoroughly controlled in a eutrophic fresh water body, the method comprises the following steps: at least introducing one species of estuarine / marine fishes, such as barracudas and mullets which can only be propagated in sea water, and carrying out desalination processing before cultivation to enable the barracudas and the mullets to be adapted to a freshwater living environment, wherein the mesh size in the large water body ensures whether the cultivated fishes can escape; dividing or mixing according to different ages, carrying out culture in enclosure in girds by meshes, and simultaneously cultivating and propagating silver carps, bighead carps, other local fishes and local shellfish; and propagating local common aquatic plants. Thus, the fishes can be fed on the algae in a filter-feeding mode and simultaneously swallow detritus substances, thereby achieving the purpose of thoroughly purifying the water environment. By harvesting the cultivated and propagated aquatic organisms to remove nitrogen / phosphorus nutrients in water and humus in bed material from the water body, the method disclosed by the invention greatly improves the water quality of the cultivation water body.

The curled-lip mandarin fish and spotted mandarin fish hybridizing propagation process includes the following steps: 1. reinforced culturing curled-lip mandarin fish as female parent fish and spotted mandarin fish as male parent fish; 2. injecting exogenous hormone to promote mature and induce spawning, flowing water stimulating to promote spawning, artificial dry insemination and managing during hatching, so as to reach spawning rate over 80 %, fertility rate up to 83.5 % and hatching rate up to 89 %; and 3. staged culturing of the hybrid mandarin fish and feeding habit conversion from live fish to non-live feed, so as to reach survival rate of hybrid mandarin fish fry up to 60 %. The hybrid mandarin fish has good taste, high disease resistance, high growth speed and capacity of ingesting non-live fish feed.

The invention discloses an ecological breeding method of efficient polyculture of pseudorasbora parva, crab larva and loach. The method comprises the steps of: pond conditions, disinfection, breeding water preparation, grass planting, fry breeding, water level adjustment, water quality adjustment and control, feeding management, disease control, daily management and the like. The breeding method provided by the invention focus on the breeding of crab larvae; the pseudorasbora parva is mainly used as cleaners for residual feeds, so that the pollution to water quality can be greatly reduced, the water quality can be improved, the growth of crab larvae and loaches is promoted, and meanwhile, blue-green algae outbreak in the crab larva pond can be biologically controlled by the polyculture of the pseudorasbora parva; the loaches play a role in loosening the soil, and eliminates hazardous substances in the soil in time, so as to avoid the water quality becoming bad due to the high temperature in summer, in addition, loaches do not need additional feeding and management, are beneficial supplement to the breeding of the crab larvae, and thus the pond benefit is greatly increased.

The invention discloses a mountainous area field rice-fish symbiotic breeding method and a field structure. The field structure comprises an outer ridge, a circle of inner ridge is piled up on the inner side of the outer ridge, a fish ditch is excavated between the outer ridge and the inner ridge, one or more fish inlet channels are arranged on the periphery of the inner ridge, the fish ditch and a rice planting area in the inner ridge are communicated through the fish inlet channels, and a water inlet and a water outlet are formed in the opposite angles of the fish ditch respectively. The rice-fish symbiotic breeding method is easy to operate, convenient to implement and beneficial to large-scale popularization, both fish ditch excavation and rice harvesting can be mechanically completed, and a large amount of cost can be reduced for the mountainous area. Meanwhile, the energy flow relation in rice-fish symbiotic breeding is fully utilized, that is, fishes feed on weeds, injurious insects and the like in a field, manure generated by the fishes can serve as fertilizer of the rice, fertilizer and pesticide are saved, and the weeding cost is reduced.

The invention discloses a method for preparing delicious mushroom-fish tidbit paste from frittered freshwater fish leftovers, and belongs to the field of paste food processing and fish by-product processing. Because of mixing and stir-frying of frittered freshwater fish, soybeans and Pixian thick broad-bean sauce, the delicious mushroom-fish tidbit paste has a fish fragrance, contains rich and comprehensive nutrients and has an excellent taste. Because of utilization of mushrooms, the delicious mushroom-fish tidbit paste has a rich sauce fragrance. Through utilization of large amounts of effective seasoning components of scallions, ginger and garlic and other natural spices, the delicious mushroom-fish tidbit paste has a rich and attractive integral flavor and an obvious scallion and garlic fragrances. The delicious mushroom-fish tidbit paste does not contain a preservative and has a long shelf life of 12 months. The method for preparing the delicious mushroom-fish tidbit paste from frittered freshwater fish leftovers fully utilizes frittered freshwater fish leftovers. The delicious mushroom-fish tidbit paste still has a heavy fragrance, contains rich nutrients and has a good taste after being subjected to high-temperature and high-pressure sterilization, has low salt and hot pepper content, and satisfies modern healthy-eating requirements.

The invention discloses a low-salinity artificial seedling raising and fresh water aquiculture method for takifugu flavidus. The method disclosed by the invention is unique, the operation is easy, the obtained adult fish has tender meat and rich nutrition, the economic benefits are obvious, and the method is suitable for being widely popularized.

The invention discloses a technique for deodorizing freshwater fish. In the method, spices and seasonings such as purple perilla and ginger are used to process fish, mutton smell, at the same time, is added for improvement, the fish smell and the mutton smell are combined, and the deodorizing effect is achieved by pretreatment of the raw material fish, salting of the raw material fish and drying of the raw material fish. In the technique for removing fishy smell from freshwater fish, which is provided by the invention, sheep bone (mutton) soup is used in combination with flavoring spices to effectively remove the bilgy odor of the freshwater fish product and greatly improve the flavor of the freshwater fish product; therefore, the bilgy odor of the freshwater fish product can be concealed effectively and the quality of the product is improved.

The invention discloses dried fish floss prepared from freshwater fish and an industrial preparation method for the dried fish floss. The preparation method comprises the following steps of: killing of the fish, curing of fish bodies, steaming of the fish bodies, flesh separation of the fish bodies, dehydration of particulate pasty fish flesh, seasoning of the particulate pasty fish flesh, floss frying of the particulate pasty fish flesh, inspection and packaging of the dried fish floss, and the like. The moisture content of the dried fish floss prepared by the preparation method is as low as 15 to 18 percent, so that the dried fish floss can be stored for a long time, and cannot be deteriorated after being kept in cold storage for 4 months, the addition of food additives and preservatives into the dried fish floss prepared from the freshwater fish is avoided, and the naturalness of the dried fish floss can be ensured. The method for preparing the dried fish floss from the freshwater fish is suitable for industrial application, the production efficiency of the dried fish floss is high, and particularly problems about the efficiency and cost of the preparation of the dried fish floss from the freshwater fish are solved.

The invention relates to an artificial propagation method of yellow catfish fry, which is characterized in that: sexually mature yellow catfish over three years are chosen as the parent fishes; the female and male ratio is 3:1; a plurality of barrels are arranged in a spawning pond as fish nests; parent fish density in the spawning pond is 1 to 2 groups / m2; each group of parent fishes uses a barrel; the sand with a thickness ranging form 1cm to 5cm is arranged at the bottom of the barrel for the debonding of fish eggs; in spawning season, exogenous hormone is injected to the basal behind the dorsal fins of the parent fishes to induce ovulation and spermiation; an inversed conical container with smooth inner wall is used as the hatching barrel; fertilized eggs are arranged in the hatching barrel for hatching in flowing water; the dissolved oxygen in the water of the hatching barrel is larger than 5.5 mg / L; when hatching is over, fry is arranged in a cement pool for temporary rearing for 40 to 70 hours, then the fry is packaged in plastic bags with water and oxygen. The artificial propagation method of yellow catfish fry has the advantages that, well developed yellow catfish fry can be acquired; the operation is simple; the utilization rate of parent fishes is high; scale production of yellow catfish fry can be realized, and the invention has significant meaning for the intensive culture of yellow catfish.

A multifunctional container for keeping fish fresh and alive comprises long-distance live-fish-transporting cases and a container casing,characterized in that an end face of the fish case of the long-distance live-fish-transporting case is provided with a sensor interface with a temperature sensor, a sensor interface with a PH sensor and a sensor interface with a dissolved oxygen sensor; a power supply interface of cycle water pump is arranged on an interface disc around a corner of the upper end of the fish case seat; the upper end portion of the front end face on the fish case seat of the fish case is provided with a PH instrument and a dissolved oxygen instrument; and the container casing is divided into an equipment cell, a work cell, a sanitary cell and a freight house cell, wherein in addition to the above characteristics, the equipment cell is provided with upper and lower water chilling units, an air-conditioning outside unit, upper and lower diesel generators, an inflator and left and right storage batteries inside; the work cell is provided with a bed, a low pressure control cabinet, a computer control cabinet, an ozone generator, an air-conditioning indoor unit, a control cabinet of the water chilling unit, a control cabinet of the diesel generator and upper and lower fuel tanks inside; and the sanitary cell is provided with a liquid oxygen tank and a water tank inside. The container of the invention is suitable for long-distance usage on the railway, the road and the ship.

The invention discloses a Tilapia mossambica overwintering feed. The feed is prepared from the following raw materials in percentage by weight: 20-40% of bean pulp, 0-5% of fish meal, 15-40% of miscellaneous meal, 20-35% of wheat flour, 2-5% of fish oil and 0.03-0.05% of Vitamin E, wherein the miscellaneous meal is one or more of rapeseed meal, cotton seed meal, peanut meal and rice bran meal. The crude protein content and crude fat content of the feed are 25-30% and 5-7% respectively. In the invention, the fish oil containing polyunsaturated fatty acids is used to improve the fat level of the complete feed, thus providing sufficient energy for the Tilapia mossambica; at the same time, the Vitamin E is added properly, thus strengthening ingestion of the vitamin, improving nutrient balance of the Tilapia mossambica, improving the immunity of the Tilapia mossambica, and intensifying the soma and cold and disease resistances of the Tilapia mossambica, thereby ensuring that the Tilapia mossambicas successfully live through the winter and improving the security coefficient of overwintering cultivation.

The invention relates to a method for cultivating and artificial breeding plateau saline-alkali water area northern pike, aiming at providing a technology suitable for cultivating and artificial breeding the northern pike in the plateau saline-alkali water area. The method adopts first filial generation fingerling bred by wild northern pike to be cultivated into parent fish. The method is characterized in that before the northern pike fingerling is put into a pond, forage fish can be cultivated by an original pond, the northern pike fingerling with the length of 5cm is put into the pond aftertwo weeks, and the polyculture proportion between the northern pike fingerling and the forage fish is 1:200-300; when the temperature of the pond reaches to 7-8 DEG C, parent fish roe of the northernpike can be selected for semidry method artificial fertilization for 5min, and talc powder is used for abhesion after fertilization; oosperm is sterilized by malachite green solution and then enters into an incubator to be incubated; by controlling the speed and the flow rate of the water flow, the dead oosperm of the northern pike can be promoted to be discharged from a drain pipe; deep well water which contains 7-9mg / L of dissolved oxygen and has the water temperature of 12DEG C can be continuously pumped into the bottom of the incubator, and running water incubation can be carried out underthe dim light; and when the fingerling flatly swim to intake the exogenous nutrition, the fish can be fed by fish bait in time.

The invention discloses a mandarin fish farming method. The method includes the steps of pool selection, bait preparation, preparation of matched fish, labor management and the like. Mandarin fish is fed by artificial feed and the matched fish, water quality environment is monitored, management is facilitated, convenience in feeding is achieved, nutritional value of in mandarin fish feeding can be effectively guaranteed, and the method has the advantages of high survival rate of the mandarin fish.

The invention relates to an operating method of a Pacific saury stick-held net. The operating method includes the steps of observing fishes, attracting the fishes, casting the net, connecting a guide headrope to a winch, connecting the guide headrope to upper and lower headropes after passing the guide headrope by a fixed pulley on a boat body and a fixed pulley on a support pole, laying netting, the upper and lower headropes and a lift headrope, using the guide headrope to stretch the netting until full stretching, attracting the fishes into the netting, drawing in the net, using the winch to quickly wind up the upper and lower headropes through the lift headrope after guide lamps move to an end, turning off the guide lamps, using the winch to winch the upper and lower headropes and the lift headrope to the stern through the guide headrope, stopping winching the netting after the fishes gather at a collecting portion, and putting down a suction pump to suck the fishes onto a deck. The netting is controlled to stretch so as to spread the net, through the support pole and the guide headrope wound on the fixed pulleys, less time and labor is consumed, the fixed pulleys are positioned through the support pole, and a catching range is widened.

A soft-shelled turtle feed containing egg yolk and fish oil comprises the following raw materials in parts by weight: ginger oil 0.1-0.2, spirulina 1-2, oat flour 30-40, soy bean protein powder 10-20, egg yolk powder 6-8, chestnut 5-8, orange peel 2-4, Ligusticum chuanxiong Hort 1-2, flos sophorae immaturus 1-2, brown rice 5-15, kalimeris indica 8-10, amaranth leaves 4-6, salicornia europaea 4-6, clover 3-5, lecithin 1-2 and fish oil 1-2. The soft-shelled turtle feed contains health raw materials such as kalimeris indica, salicornia europaea and clover, and moreover the salicornia europaea has the oxidation resistance, anti-inflammation and immune regulation effect, and the health growth of soft-shelled turtle can be promoted.

The invention provides an artificial propagation method for yellowfin groupers. The artificial propagation method comprises the steps that (1) parents are selected; (2) a parent breeding pond is separated into a deep water area and a shallow water area with water flow communicated, wherein the water depth of the deep water area ranges from 4 m to 5.5 m, and the water depth of the shallow water area ranges from 3 m to 3.5 m; (3) parent fish breeding management is carried out, wherein a, in first 3 weeks during breeding, LED green light and yellow light alternately irradiate the water surface ofthe pond, and after the parent fishes are bred for 3 weeks or longer, the water surface of the pond is irradiated by the LED green light; b, feed is prepared from 3-5 parts of grouper compound feed and 1-2 parts of small fish and shrimp and artificial pellet feed, the parent fishes are fed with the first feed in the first 3 weeks during breeding, and the parent fishes are fed with the second feedafter being bred for 3 weeks or longer; c, the water temperature of the pond ranges from 21 DEG C to 26 DEG C, and water dissolved oxygen is larger than 4.8 mg / L; (4) breeding is enhanced before propagation is carried out; (5) artificial propagation is carried out; (6) zygotes are collected and hatched. According to the artificial propagation method for the yellowfin groupers, the adaptive capacity to environment of the parent fishes is enhanced, the activities of fish shoals are effectively promoted, the feeding rate is effectively increased, the fertility is high, and large-scale artificialbreeding of the yellowfin groupers can be effectively achieved.

The invention discloses a salvage treatment device for dead fish. The hull is provided with a pulverizer, and the pulverizer is provided with a feed port and a discharge port. There is a collection box, a joystick is set on the control box, a motor is set on one side of the control box, the motor is connected with a universal converter, and the universal converter is connected with one end of the telescopic folding link, and the telescopic folding link is The other end is connected to the net hoop, one end of the telescopic folding connecting rod is equipped with a water quality detector, the net hoop is equipped with a fishing net, the bottom of the hull is embedded with a disinfectant electromagnetic spray head, and one end of the disinfectant electromagnetic spray head is connected to a disinfectant. Agent box, this kind of device can salvage the dead fish on the ocean, avoid the dead fish from polluting the ocean or causing other fish to be affected by diseases, and then crush them, which can be used as fish feed, and can also be used as fish feed. An area with a lot of dead fish will be detected and then dealt with in time.

The invention relates to an aquatic product culture feed and particularly relates to a fermented feed for fish, which is low in cost, wide in source and capable of increasing the growth rate. The fermented feed is prepared from the following raw materials in parts by weight: 20-25 parts of corn flour, 15-20 parts of wheat bran, 5-8 parts of peanut bran, 5-10 parts of fish meal, 5-10 parts of bagasse pith, 3-5 parts of leaven, 2-3 parts of molasses and 1-2 parts of microelements. The fermented feed for fish, provided by the invention, is rich in nutrient and simple in preparation method, and the fish like to eat the fermented feed.

The invention discloses a boat-type solar fish-farming net cage in river, comprising a flow rate regulation device. The flow rate regulation device comprises a flow rate measurement cabin, the inner of the flow rate measurement cabin is provided with a tension spring, a flow rate measurement board, a draw bar, and a plurality of regulation pieces for controlling the opening and closing of the flow rate measurement cabin. One end of the tension spring is fixed on the flow rate measurement cabin, and the other end is connected with the draw bar. The draw bar passes through a draw bar sleeve arranged on the flow rate measurement cabin and is fixedly connected with the flow rate measurement board, and the regulation pieces are arranged on the flow rate measurement cabin in revolving and are movably connected with the draw bar. The net cage of the invention is free of the limitation of the power supply, achieves the illumination, the insect killing and automatic feed of bait by using the solar energy. The net cage can automatically control the flow entering the net cage and ensure the reasonable flow-resisting capability of the fishes in the fish-farming, and is suitable for the normal growth of the fishes. In addition, the net cage can kill the injurious insects when illuminating, thereby protecting the wild fish resources in the rivers and developing the farming production of the wild fishes.

The invention relates to the field of Rhodeus sinensis propagation, in particular to an artificial propagation technology. The invention mainly relates to an artificial propagation technology for Rhodeus sinensis. The artificial propagation technology for the Rhodeus sinensis comprises infrastructure equipment, parent fish selection, parent fish temporary rearing, parent fish maturing acceleration, parent fish spawning, ovum pickup and incubation, wherein the parent fish maturing acceleration, the parent fish spawning, the ovum pickup and the incubation are the core of the artificial propagation technology for the Rhodeus sinensis. According to the artificial propagation technology for the Rhodeus sinensis provided by the invention, a square pond of 1 mu or a cement pit of 10-50m<2> is selected, and is equipped with micropores to enhance oxygen. Parent fishes are characterized in that lateral lines are incomplete, and the back upper place of each spiracle of each parent fish has shoulder patches. Male fishes are red in eye socket, and bright in body color; the abdomen of each female fish has a strip ovipositor. 4.5g / l of VC is added to temporary rearing water; before put, the parent fishes are soaked in 5mmg / l of potassium permanganate for 10 minutes; the density of the potassium permanganate is lower than 0.5kg / m<3>, and a toad of 50g is cultivated in every 4m<2> of water to prevent fungal diseases. 10g / kg of minced earthworm meat and spirulina powder is fed. The female-male ratio of the parent fishes is 1:1, oxytocic is injected after the parent fishes are narcotized by 30mg / lMS-222, the ovum pickup is performed by using Sinanodonta woodiana or unio douglasiae which is 8-10cm wide, and the ratio of the Sinanodonta woodiana or the unio douglasiae to the fishes is 2:3. The Sinanodonta woodiana or the unio douglasiae is harvested once every two days, the ovum-contained Sinanodonta woodiana or the ovum-contained unio douglasiae is moved to a hatching pond, and corresponding ovum-free Sinanodonta woodiana or corresponding ovum-free unio douglasiae is supplemented.

The invention discloses a processing method of quick-frozen Taiwan white sea bream fillets keeping fish meat fresh. The method comprises the following steps of: receiving and accepting raw material fishes, cultivating temporarily, laying cold with ice, bleeding, sectioning, peeling, buffing, trimming, quick freezing, quantitatively grading, coating an ice coat, vacuum packaging and refrigerating. The method comprises the following specific steps of: laying the fishes cold by using an ice laying machine; sectioning and bleeding in a current form; quickly freezing fillets, wherein the cooling central temperature is up to 18 DEG C below zero during quick freezing; and after machining, and refrigerating the processed fillets by using a scientific refrigerating method. By adopting a quick freezing processing method, Taiwan white sea bream fillets which are subjected to ice laying and current type bleeding can keep high freshness, have white color, high brightness, attractive appearance and good mouthfeel, and are not easy to infect by bacteria; after quick freezing, the nutrition of fillets does not loss and a higher nutritional value is achieved in comparison with the conventional quick freezing method; and a scientific refrigerating method is adopted, causes can be found easily and treatment is performed easily when the fillets are in a poor state.

The invention provides a special compound feed for mixed culture of shrimps and crabs. the special compound feed comprises the following components in parts by weight: 4-8 parts of imported fish powder, 10-20 parts of domestic fish powder, 15-25 parts of peanut meal, 15-25 parts of bean pulp, 3-7 parts of meat-bone powder, 2-6 parts of cuttlefish paste, 3-6 parts of crab shell powder, 18-28 parts of high-strength flour, 1-3 parts of phospholipids, 0.5-2 parts of fish oil, 0.5-2 parts of monocalcium phosphate, 0.02-0.03 part of chitin, 0.04-0.06 part of radix isatidis, 0.03-0.05 part of common andrographis herb and 0.03-0.04 part of radix bupleuri. After being eaten by shrimps and crabs, the special compound feed not only can supply necessary nutrition in the growth process of the shrimps and crabs, but also can promote the nutrition absorption of the shrimps and crabs, thereby preventing diseases of the shrimps and crabs; meanwhile, the special compound feed also has the function of promoting the shell growth and shelling of the shrimps and crabs.

The invention relates to a Chinese herbal micro-ecologic farmed fish feed suitable for carps in a medium period and a preparation method thereof. The Chinese herbal micro-ecologic farmed fish feed is prepared from the following raw materials: wheat middling, corn germ meal, rice bran, wheat, bean pulp, extruded soybean, rapeseed meal, cottonseed meal, distillers dried grains with soluble (DDGS), fish meal, spray-dried animal blood cells, soybean oil, liquid phospholipid, monocalcium phosphate, 50 percent of choline chloride, 0.04-0.08 percent of 35% Vc phosphate, glossy privet fruit, special compound enzyme for aquatic products, microecologics for aquatic products, and 1.2 percent of a special premix for carps. The Chinese herbal micro-ecologic farmed fish feed is high in pertinence, is especially suitable for breeding and feeding of carps in a medium period, is balanced and complete in nutrient and good in luring property, and has the advantages of enhancing the immunity, the disease resistance and the stress resistance of carps, fully ensuring nutrients necessary for growth and development of carps, achieving the effect of rapid and healthy growth, increasing the feed conversion ratio, alleviating environmental pollution, improving water quality, and maximally protecting nutrient substances from being damaged by high temperature in a preparation process.

The artificial breeding process of wild Spanish mackerel includes capturing sexually mature parent fishes with drift net, squeezing live male fish to obtain sperm, squeezing live female fish to obtain egg cell, mixing the sperm and the egg cell in a fertilizing container with sea water via light shaking, shading the container for 3 min for artificial fertilization, washing the fertilized egg to eliminate sperm and other impurity, hatching the fertilized egg in slightly aired clean sea water at 18-22 deg.c and with salinity of 1.75-2.1 % for 40-55 hr, and culturing fish fry in clean sea water at 18-25 deg.c and with salinity of 1.75-2.1 % for 35-45 days to obtain Spanish mackerel fry. The present invention creates condition for large scale aquaculture of Spanish mackerel.

The invention relates to the technical field of cultivating feed, in particular to cyprinoid breeding formula feed. The cyprinoid breeding formula feed comprises, by weight, 10-15 parts of fish meal, 20-30 parts of bean pulp, 8-13 parts of peanut meal, 10-15 parts of rapeseed meal, 10-20 parts of maize germ cake and 15-25 parts of wheat middling bran. Mineral substances or microelement premix compound taking account for 0.08-0.12% of the feed quantity and vitamin premix mixture taking account for 0.4-0.8% of the feed quantity are added into the feed. The cyprinoid breeding formula feed is produced by matching various raw materials, the composition ratio of nutrition is reasonable, the cyprinoid breeding formula feed is agreeable to the taste, the requirement for the nourishment of the process of growth of cyprinoid is met, the immunity of the cyprinoid is improved, the cyprinoid breeding formula feed is very good for fingerling and adult cyprinoid feeding, the growing speed of the cyprinoid is high, the efficiency and cultivating yield of cultivating are improved, the cyprinoid meat is delicious and abundant in nutrition, the bred cryprinoid is big and fat, and the cyprinoid breeding formula feed is suitable for feeding the cyprinoid at various environments.