134 results about "Fish quality" patented technology

The invention discloses a special amino acid fertilizer-water paste for aquiculture and a preparation method thereof. The special amino acid fertilizer-water paste for aquiculture is prepared from the following raw materials in certain proportion: an amino acid solution, microelements, fermentation organic substances, inorganic fertilizers, minerals, a water quality improver, beneficial bacteria and a thickening agent. The preparation method comprises the following steps: A. production of amino acid solution namely, a. hydrolyzing; b. neutralizing; c. filtering; d. concentrating; B. production of fermentation organic substances: a. mixing: evenly mixing organic raw materials with the amino acid solution; b. inoculation: evenly mixing the organic raw materials with beneficial bacteria; c. fermentation; and C. production of amino acid fertilizer-water paste: a. chelation: heating the amino acid solution, adding microelements while stirring to perform chelation; b. mixing: sequentially adding the fermentation organic substances, inorganic fertilizer, minerals, water quality improver and beneficial bacteria, and evenly mixing; c. thickening: adding a thickening agent, and evenly mixing; d. inspection. The invention enhances the immunity of fish, reduces the occurrence of diseases, increases the culture yield of bighead, lowers the fish culture cost, and improves the fish quality.

The invention provides a grouper environmentally-friendly soft granulated feed and a preparation method thereof. The grouper environmentally-friendly soft granulated feed comprises the following nutritional components in percentage by weight: 40 to 50 percent of crude protein, 6 to 12 percent of crude fat, 8 to 15 percent of crude ash, 22 to 28 percent of carbohydrate, and 6 to 10 percent of moisture. According to the invention, the high-quality grouper environmentally-friendly soft granulated feed is studied, popularized and applied, so that the nutrition of the launched feed goes to be complete and balanced, and the palatability of the feed is good, not only can the feed digestive absorption rate of grouper be improved, but also the survival rate and growing speed of the grouper are improved, and the fish quality is improved. Therefore, non-polluted fish products are produced, and the cultivation economical benefit is improved; and the feed has active and profound significance in reducing the usage of small trash fish, lightening the sea area pollution, protecting the marine eco-environment, and promoting the sustained stable and health development of the marine fish culture industry.

The invention discloses amino acid fertilizer water slurry special for aquaculture and a preparation method of the amino acid fertilizer water slurry. The amino acid fertilizer water slurry consists of amino acid solution, microelements, fermentation organic matters, inorganic fertilizer, mineral matters, a water quality modifier and beneficial bacteria according to a certain proportion. The preparation method comprises the following steps of: A, producing the amino acid solution, i.e., a, hydrolyzing, b, neutralizing, c, filtering and d, concentrating; B, producing the fermentation organic matters, i.e., a, stirring, uniformly stirring organic matter raw materials with the amino acid solution, b, inoculating, uniformly stirring the organic matter raw materials with the beneficial bacteria, and c, fermenting; and C, producing the amino acid fertilizer water slurry, i.e., a, chelating, heating the amino acid solution, and adding the microelements under stirring for chelating, b, mixing, adding the fermentation organic matters, the inorganic fertilizer, the mineral matters, the water quality modifier and the beneficial bacteria in sequence and uniformly stirring and mixing, c, checking according to related quality standard, and d, packaging. According to the amino acid fertilizer water slurry, the immunity of fishes is improved, diseases are reduced, the breeding yield of spotted sliver carp is increased, the fish breeding cost is reduced, and the fish quality is improved.

The invention discloses a method for cultivating adult mandarin fishes, and refers to the technical field of aquaculture. The method comprises the following steps: pond selection, pond preparation, cultivation of feeder fish, stocking of fingerlings of mandarin fish, feeding management, water quality management, and fish disease prevention and treatment. The method for cultivating adult mandarin fishes has the beneficial effects: the method fully uses the production resources, needs not professional equipment, and is free from cultivation pollution; the cultivating technology standard is regular, the feeding process is scientific and norm, and the mixed cultivating technology is new; therefore, the quality of adult mandarin fishes is greatly improved, and thereby the quality yield of the mandarin fishes is improved.

The invention discloses a novel compound feeding stuff for improving grown reeves shad quality and a processing technology of the same. The compound feeding stuff comprises following components: 50 to 60 parts of imported fish powder, 14.2 to 24.2 parts of best quality flour, 1 to 5 parts of soybean meal (46% protein), 1 to 5 parts of beer yeast, 1 to 5 parts of eucommia ulmoides leave powder, 1 to 5 parts of squid liver powder, 0.1 to 0.3 part of methionine, 0.1 to 0.3 part of lysine, 0.1 to 0.3 part of betaine, 0.5 to 1.5 parts of compound vitamins, 0.5 to 1.5 parts of compound minerals, 0.1 to 0.3 part of L-ascorbic acid-2-phosphate, 0.5 to 2.5 parts of calcium dihydrogen phosphate, 0.1 to 1 part of silicon type choline chloride, 1 to 5 parts of soybean lecithin, 1 to 5 parts of imported fish oil, 0.1 to 0.3 part of yeast cell wall, and 0.1 to 0.5 part of allicin. Through basic nutrition research and breeding tests, a feeding stuff formula for grown reeves shads in growing phase is designed, scientific and reasonable feeding stuff composition, composition ratio and particle size index are determined, therefore grown fish quality is improved.

The invention discloses an antistress reinforcing agent for large yellow croaker. The antistress reinforcing agent is prepared by uniformly mixing vitamin A, vitamin C-2- single-polyphosphate, vitamin E acetate, astragalus extract, sodium selenite, copper methionine, zinc methionine and glucose serving as raw materials. The dosage of the antistress reinforcing agent in feed is only 0.1-0.2 %, which can remarkably improve the resistance and the environmental stress resistance of the large yellow croaker on pathogenic microorganisms, so that the survival rate of the large yellow croaker in full cycle raising can be improved, the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the raising yield is improved by over 30 percent. Therefore, the invention is the antistress reinforcing agent by which the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the large yellow croaker has high fish quality.

The invention relates to a method for preparing freshwater fish cans through two-time liquid hot smoking. The method comprises the following steps that: (1) drying treatment is carried out to fish fillets which are fermented with lactic acid and have fishy smell removed; (2) vacuum concentration is carried out to flavor agent prepared from freshwater fish leftovers; (3) dried fish fillets are canned, and the flavor agent is injected into a can; (4) liquid smoking flavor is injected into the can to carry out primary hot smoking; (5) the can after primary hot smoking is put into a full-automatic spraying type high-temperature pressure cooker to accept secondary hot smoking; (6) the can after secondary hot smoking is cooled to normal temperature. The can prepared through method is elastic and compact in fish quality and uniform in fish fillets, and has no broken fish fillet or fat layer.

The invention relates to the field of fish cultivation technology, and particularly to a cultivation method of selenium-enriched fish. The cultivation method comprises the following steps of a, pond processing, namely processing a pond before fries are input; b, fry management and cultivation, namely cultivating the fries in a buffer pond by 7-15 days and then inputting into the pond, wherein the water of the buffer pond comprises an active material and selenium-enriched fish feed is input; c, inputting the feed, namely inputting a certain amount of selenium-enriched fish feed and forage every day; and d, performing cultivation management, namely periodically inputting water cleaning agent into the fish pond. The cultivation method of the selenium-enriched fish has advantages of realizing an environment-friendly effect, remarkably reducing chemical substances and drugs, improving fish survival rate, improving selenium content in the fish and improving fish quality.

The invention discloses a multifunctional intelligent fishing boat with an automatic obstacle avoiding, tracking and identifying function, and belongs to the technical field of intelligent fishing boats. The fishing boat comprises a boat body, the boat body comprises a fishing device, a driving system, a positioning communication system, an image processing system, an overwater automatic obstacleavoiding system, an overwater automatic tracking system and a control system, and the control system receives and processes signals and data transmitted by the fishing device, the positioning communication system, the overwater automatic obstacle avoiding system, the overwater automatic tracking system and the image processing system, transmits instructions to the fishing device and the driving system and controls operation of the fishing device and the driving system. According to the fishing boat, automatic obstacle avoiding and tracking can be achieved, so that the boat reaches optimal water quality and fish quality positions, fishes are identified, automatic fishing is achieved, and food safety is ensured. According to the fishing boat, manual control is omitted, one-key starting of the fishing boat is implemented, the fishing boat can automatically work in a water area and catch a lot of fishes, is wide in fishing range, high in moving performance and portable and cannot waste time and labor.

The invention relates to a method for evaluation of fish-farming water quality grade. The basic idea is as below: according to characteristics of different ponds, the ponds are divided into three types, warm water fish-farming, frozen water fish-farming and mixed water fish-farming. Based on advices of specialists, optimal range and appropriate range of 6 water quality factors (water temperature, pH value, dissolved oxygen, ammonia nitrogen, nitrogen sulfite and sulfide) of the three types of fish-farming are obtained. A composite Gauss trapezoidal membership function is employed to construct a fish quality evaluation model; through the analysis of the model, each factor of water quality is obtained; through a membership value and grade conversion table, specific grade of each water factor is obtained; then through analysis of a grade evaluation number and grade conversion table and a grade number table, a comprehensive grade evaluation of pond water quality is obtained finally. The invention overcomes the problems of various water quality grade division and hard classification, considers the 6 factors of water quality from a comprehensive perspective, cleverly reduces difficulty of water quality grade division through the conversion relation between the level number and grade, realizes the intelligent grade division and grade evaluation, and improves the efficiency of pond culture.

The invention discloses a fish feed put-in device for an ecological agricultural system. The fish feed put-in device comprises a ship body. A groove is formed in the upper end face of the ship body. Amixing bucket is fixedly connected with the upper end face of the ship body. A driving motor is fixedly connected with the upper end of the mixing bucket. An output shaft of the driving motor penetrates through the upper end of the mixing bucket and is fixedly connected with a material scattering plate. The lower end of the material scattering plate is coaxially and fixedly connected with a hollow rotating shaft. The hollow rotating shaft is communicated with the material scattering plate. Stirring blades are installed on the hollow rotating shaft. A first device cavity is formed in the innerbottom of the mixing bucket. The lower end of the hollow rotating shaft penetrates through the inner bottom of the mixing bucket and extends into the first device cavity. A second device cavity and aslide plug cavity are formed in the inner bottom of the mixing bucket. The feed wetted in advance can be easily digested and absorbed after being eaten by fish, a user can observe the eating conditions of fish swarms on the ship body, the fish swarms can move along with the ship body, the exercise amount of the fish swarms is improved, and the fish quality is improved.

The invention discloses an internet of things based spectacular fish aquaculture water quality monitoring method. The internet of things based spectacular fish aquaculture water quality monitoring method comprises the following steps: (S1) distinguishing a spectacular fish aquaculture water quality monitoring main link, and analyzing and determining spectacular fish aquaculture water sensing parameters according to impression, on spectacular fish quality, of spectacular fish aquaculture water quality; (S2) applying a multi-sensor integrated technology, and designing and realizing a multi-sensor integrated data sensing module for the spectacular fish aquaculture water sensing parameters; (S3) setting up a wireless sensor network platform, realizing acquisition of sensor sensing data and wireless transmission from a lower computer to an upper computer of data as well as wireless convection from data frame to upper computer database storage; (S4) verifying spectacular fish aquaculture water quality sensing parameter data distribution, optimizing spatial arrangement of the multi-sensor integrated module, and realizing test and optimization of the multi-sensor integrated module; and (S5) performing run test on the integral performances of the spectacular fish aquaculture water quality monitoring method, improving system stability and precision, and improving system performances.

The invention relates to a method for preparing a braised squid can. The method comprises the following steps: a fresh squid or a squid which is frozen and unfrozen under natural conditions is chosen as raw material; the raw material is treated, pre-cooked for dehydration, cut into segments for canning, added with soup bases for blending, exhausted for sealing, sterilized and cooled to obtain soup, the soup contains 8-14% of white granulated sugar, 3-10% of soy sauce, 3-8% of starch syrup, 2-5% of oyster sauce, 0.3-0.7% of refined salt, 0.5-1% of pricklyash peel, 0.5-1% of aniseed, 0.5-2% of ginger, 0.5-2% of shallot and proper amount of water, and is prepared after heating, decocting and filtering. The method for preparing the braised squid can is reasonable and feasible in operation. The braised squid can prepared by the method has the advantages of good elasticity of fish, freshness and tenderness in fish quality, pure color, fresh and delicious flavor, rich nutrition, convenience in eating, long shelf life, convenience in carrying and good economical and practical effects, therefore, the braised squid can meets the requirements of different customers.

The invention discloses an efficient mixed culture method for mandarin fish, spotted silver carp, silver carp and dace. The method comprises the following steps: performing mixed breeding on the mandarin fish, the spotted silver carp, the silver carp and the dace; feeding floating feedstuff regularly or irregularly; feeding water nutrients and biological bacteria regularly or irregularly; killing insects regularly or irregularly; sterilizing regularly or irregularly. The efficient mixed culture method is scientific and reasonable; by virtue of the efficient mixed culture method, culture risks are reduced, the fish quality is improved, the mandarin fish culture cost is 4-5Yuan per jin and is reduced by about 5 times in comparison with that in the prior art, and the spotted silver carp culture yield is greatly increased; the flesh quality of the spotted silver carp is improved, so that the spotted silver carp is more fresh and delicious in taste and free from off flavor; the problem that the spotted silver carp cannot conveniently appear on the market at any time is solved, the spotted silver carp yield is greatly improved, and the spotted silver carp can appear on the market at any time according to the market quotation.

The invention discloses a Chinese herbal medicine additive for improving fish quality of bighead carps. The Chinese herbal medicine additive is characterized by comprising the following components in parts by weight: 10-15 parts of astragalus membranaceus, 10-15 parts of isatis root, 10-15 parts of liquorice root, 10-15 parts of Chinese yam, 7-9 parts of rhizoma phragmitis, 6-8 parts of dangshen, 6-8 parts of folium isatidis, 5-7 parts of honeysuckle, 5-7 parts of fructus crataegi, 5-7 parts of orange peel, 3-5 parts of cortex magnoliae officinalis, 3-5 parts of agastache rugosus and 3-5 parts of illicium verum. By using the Chinese herbal medicine additive disclosed by the invention, the Chinese medicinal herbs are respectively crushed, screened by using a 120-mesh bolting silk net, uniformly mixed in a mixing machine, added in a commercial feed for the bighead carps according to a proportion of 1.5 percent, and starts to be fed with the bighead carps before 3 months of discharging the bighead carps from a pond until the bighead carps are discharged from the pond; the fish quality and the flavor of the fed bighead carps are remarkably improved, the survival rate of the bighead carps is increased; meanwhile, the bighead carps do not suffer from diseases, bright in color, and compact in meat; the Chinese medicinal herbs in the Chinese herbal medicine additive are easy to obtain, and the Chinese medicinal herb additive is convenient to make and good in effect.

The invention discloses a fish quality maintaining and conditioning processing method. The fish quality maintaining and conditioning processing method comprises the steps of live fish pretreatment, fish body pretreatment, pulse-type breathing tumbling and coating film-fixing of the surface of fish, fish packaging, and freezing and refrigeration, wherein pretreatment comprises color development ofmyohemoglobin and stress contraction of myofibrils. According to the fish quality maintaining and conditioning processing method, the color and luster of the fish and the toughness of the myofibrils can be improved well, and the way is paid for a subsequent technology; and in pulse-type breathing tumbling and coating film-fixing of the surface of the fish, vacuum tumbling, a carrageenan and potassium chloride gelation reaction and a trehalose and polyphosphate anti-protein freezing denaturation treatment technology are adopted for pickling. Through the two steps, the purposes of improving theflavor and prolonging the shelf period by freezing the fish can be achieved, and the demands of consumers are more met; and the fish quality maintaining and conditioning processing method is easy tooperate, the fish product quality is high, and the edible flavor is excellent.

The invention relates to a vacuum fish pump floating on the water, and belongs to the field of fishery engineering. The vacuum fish pump floating on the water comprises a floating body, a fish tank arranged on the floating body, a fish suction pipe communicated with an inlet of the fish tank, a first electromagnetic piloted pneumatic valve arranged in the fish tank, a second electromagnetic piloted pneumatic valve arranged outside the fish tank, a discharged fish transition bin sleeving a valve plug connecting rod of the second electromagnetic piloted pneumatic valve, a vacuum pump, a four-way reversing valve and a liquid level control system, wherein a rear gas opening of the first electromagnetic piloted pneumatic valve is communicated with the rear gas opening of the second electromagnetic piloted pneumatic valve; an inlet of the discharged fish transition bin is communicated with an outlet of the fish tank; the outlet of the discharged fish transition bin is communicated with a fish conveying pipe; the inlet of the four-way reversing valve is communicated with the vacuum pump; the outlet of the four-way reversing valve is communicated with a front gas opening of the second electromagnetic piloted pneumatic valve. The vacuum fish pump provided by the invention reduces suction height of the fish pump, improves fish quality, and reduces operation energy consumption of equipment.

The invention discloses a live-keeping and fresh-keeping method for the live topmouth culter transportation. The method is implemented in the aspects of domestication before fishing, excretion purging treatment, drug bait treatment, re-starvation treatment, boarding transportation and the like. By means of the live-keeping and fresh-keeping method, the survival rate reaches 90% when topmouth culter is transported for 3 days, the survival rate reaches 80% or above when the topmouth culter is transported for 4 days, so that the sales market is expanded, and moreover, the freshness increasing effect and the fishiness removing effect are achieved; besides, in the transportation process, no secondary pollution to the fish quality is caused.

The invention discloses a fish material by microbial fermentation, and a preparation method of the fish material. The fish material is prepared from the materials in parts by weight: 80 to 100 parts of chicken manure 100 to 150 parts of pig manure, 50 to 60 parts of corn powder, 70 to 90 parts of 24% DDGS vinasse, 30 to 50 parts of bean cake, 30 to 50 parts of rape seed cake, 40 to 60 parts of wheat bran, 50 to 70 parts of peanut bran, 5 to 7 parts of bone powder, 6 to 10 parts of shell powder, 0.2 to 0.4 part of fish multidimensional, 5 to 8 parts of fish multi-mine, 2 to 3 parts salt, 10 to 15 parts of beer yeast and 15 to 20 parts of molasses. The fish material with low cost and full and rich nutrition is obtained by reasonable fermentation treatment. According to the fish material, absorption for nutrition of fish is facilitated, the intestinal tract environment of the fish is adjusted, the pathogenic bacteria of the intestinal tract are restrained, and therefore, the premunition and the immunity of animals are improved. The fish material can also maintain the enrichment, aliveness, freshness and tenderness of water and can even promote the growth of the fishes and enhance fish quality.

The invention discloses a fishpond and a fish-farming method. The fishpond comprises a plurality of fishpond units arranged in parallel, wherein fishpond channels are connected in front and back of each fishpond unit respectively, mushroom sheds are arranged among the adjacent fishpond units, feeding pipes are arranged in front and back of each mushroom shed respectively, and the discharging ends of the feeding pipes extend to the upper portions of the fishpond channels. The fish-farming method comprises the steps that waste mushrooms from the mushroom sheds are fed through the feeding pipes for one time at intervals of 1 hour, fish is lured to the fishpond channels for eating, and accordingly daily activity quantity of the fish are kept. The fish farming and mushrooms can be effectively combined, the waste mushrooms of the mushrooms can be fed to fish, the fish-farming cost can be reduced, and the fish quality can be improved by improving the activity quantity of the fish.

The invention belongs to the field of food processing and relates to a fish processing method, in particular to a fish quality improvement method. The fish quality improvement method includes: 1) fish preprocessing; 2) vacuum tumbling; 3) salt adjustment; 4) water control; 5) quick freezing and the like. The fish quality improvement method has the advantages that aiming at the defect that various kinds of fish are lack of tenderness and chewiness and less prone to acceptance, fish is processed to improve taste quality until taste and flavor of the processed fish are accepted by mass consumers; after improvement, the fish is tender to taste and moderate in flavor, and the intrinsic defect of lack of tenderness and chewiness of the fish is overcome.

The invention discloses a method for waterlessly transporting tilapia mossambica in summer. The fresh and alive tilapia mosambica fished in summer is subjected to temporary culture, vitamin C supplementary, low-temperature acclimation and carbon dioxide narcosis and then transported without the water under the oxygenation and bag closure conditions. The method is a jointly used effective combination mode which is obtained after the defects of the methods such as fish immunity ability enhancing, fish metabolism speed decreasing, fish stress reaction reducing and oxygen intake increasing and the like on improvement of the waterless tilapia mossambica transportation efficiency and the fish quality are integrated. Research shows that the method has the advantages that the process is simple, the cost is low, the efficiency is high, the survival time of the fresh and alive tilapia mossambica in the transportation process is long, and the quality safety of the tilapia mossambica is not damaged.

Disclosed carp feed is prepared from the following raw materials in parts by weight: 15-25 parts of bean cake, 5-10 parts of fish meal, 20-30 parts of bran, 5-10 parts of soya bean, 6-14 parts of corn, 15-20 parts of rice bran, 2-4 parts of lysine, 10-15 parts of peanut meal, 3-5 parts of methionine, 7-16 parts of sweet potato powder, 10-17 parts of mussel powder, 3-6 parts of bone meal and 10-15 parts of barley. The provided carp feed contains nutrition needed by growth of carp, is capable of realizing fast growth of carp, helps to guarantee delicious fish quality of carp, and is abundant in nutrition.

The invention relates to a special feed additive for a carp, which comprises the following components in parts by weight: 10-15 parts of pine needle meal, 2-6 parts of albizia flower, 3-6 parts of poria cocos, 2-4 parts of radix paeoniae alba, 3-5 parts of herba schizonepetae, 2-4 parts of honeysuckle stem, 3-6 parts of houttuynia cordata, 2-4 parts of cuscuta chinensis, 3-5 parts of zeolite powder, and 2-4 parts of carrot. The special feed additive for the carp can improve the economic benefit of carp culture distinctly, and remove diseases during the carp culture significantly; a survival rate is increased by 8-12%; a feed conversion rate can be increased effectively during the carp culture; the growth of the carp is promoted; and the fish quality is improved.

The invention belongs to the technical field of fish feed preparation and particularly relates to an oxyeleotris marmoratus buoyancy expanded compound feed. The feed is mainly composed of the following components in mass fraction: 11-15% of bean meal, 40-45% of eel meal, 3-5% of cuttlefish meal, 10-14% of high gluten flour, 8-12% of maize meal, 1.5-3% of attractants, 0.2-1% of soybean oil, 1.5-3% of fish oil, 2-4% of beer yeast, 4-5% of biomass antibiotics, 1.5-3% of crab shell meal and 3-5% of shrimp embryo meal. The feed provided by the invention is reasonable in formula design, wide in raw material source, balanced in nutrition, good in attractant property and low in bait ratio, has better stability in water, can effectively reduce water pollution, can effectively reduce the culture cost and can improve the fish quality.

The invention discloses a Yangtze hilsa herring industrial aquaculture method, and belongs to the technical field of aquaculture. On diet of hilsa herring, fine fodder is used to breed, fodder is reasonable in proportion and abundant in nutrition. The method satisfies uptake requirement of hilsa herring on protein, fat, vitamins and microelements, ensures health development and growth of hilsa herring, enhances disease resistance of the hilsa herring, improves aquaculture efficiency, shortens aquaculture period, improves quality and nutrient content of fish, reduces occurrence rate of disease, and prevents degeneration of hilsa herring population, and improves aquaculture benefits. The hilsa herring is fast in growth, high in yield, good in disease resistance, high in survival rate, good in fish quality, high in nutrition, and good in mouthfeel.

The invention discloses an alga oligosaccharide fish feed additive and relates to an alga oligosaccharide. Aiming at solving the problems of the prior art, the invention provides the alga oligosaccharide fish feed additive. The alga oligosaccharide fish feed additive improves a feed utilization rate, promotes growth, improves disease resistance, reduces a cost and improves fish quality. The alga oligosaccharide of the alga oligosaccharide fish feed additive is gracilaria lemaneiformis agar oligosaccharide and is a mixture which comprises tetrasccharide to octasaccharide and is obtained through co-culture of a Flammeovirga Pacifica H2 strain and gracilaria lemaneiformis so that gracilaria lemaneiformis is directly degraded through an enzyme produced through microorganism. The Flammeovirga Pacifica H2 has a preservation number of CCTCC NO: M2012229.

The invention relates to an aquaculture composite efficient biological fish fertilizer comprising the following ingredients by the weight: 10-12 parts of ammonium chloride, 8-10 parts of urea, 4-5 parts of monoammonium phosphate and / or diammonium phosphate, 12-14 parts of calcium superphosphate, 0.1-0.2 part of bacillus, 0.3-0.5 part of yeasts, 0.3-0.5 part of photosynthetic bacteria, 30-35 parts of dry enhanced livestock and poultry dung or the combination thereof, 4-7 parts of fish meal, 30 parts of rice bran and 10 parts of trace elements. The present invention provides an aquaculture new composite efficient biological fish fertilizer which is fast to fertilize, can maintain sustainable, can greatly increase the abundance of planktonic animals and plants and beneficial algae, enriches and balances the water nutrition, promotes the rapid growth of fish, improves fish quality and weight, and has obvious economic value.

The invention relates to the field of aquaculture, and especially relates to an application of fishery electrochemical water in adult grass carp or crucian transportation. According to the invention, zero-pollution, bacteria-free, algae-free, safe and environment-friendly fishery electrochemical water is used for transporting four main domestic fishes such as grass carp and crucian. With the method, adult fish quality after transportation and unit-water transportation capacity can be effectively improved, and transportation time can be prolonged. The application and method provided by the invention have the advantages of simple operation, high controllability, fast effect, and wide application prospect. The application is energy-saving and environment-friendly.

The invention mainly discloses a preparation method of a high-protein mylopharyngodon piceus forage, and belongs to the technical field of fish forages. The forage comprises, in parts by weight, 30 parts of fish meal, 10 parts of soybean meal, 10 parts of peanut meal, 20 parts of silkworm chrysalis powder, 10 parts of rapeseed cake powder, 10 parts of barley flour, 3 parts of cuttlefish paste, 1 part of fish oil, 3 parts of phosphatide oil, 1 part of Chinese medical stone powder and 2 parts of bentonite. The main function of the forage is to improve the nutrition characteristic of forages, the forage is good in fish palatability and long in water dipping resistant time, the protein content is improved, the forage utilization rate is improved, and the forage helps to promote growth of mylopharyngodon piceus, prevent diseases and improve fish quality of mylopharyngodon piceus, and is low in feed coefficient.