74 results about "Snakehead" patented technology

The invention relates to a formula of compound puffed feed for snakehead mullet and process for preparation, wherein the constituents in the formula comprise (by mass ratio): fish meal 35-50%, fermented soybean waste 10-20%, meat and bones meal 0-12%, silkworm chrysalis powder 0-5%, blood powder 0-5%, brewer's yeast 2-5%, shrimp grease 0-6%, fish oil 1.0-3%, high grade flour 10-20%, liquid phosphatide 1-2%, calcium dihydrogenphoshate 0.5-1.5%, composite vitamin 0.5-1%, compound minerals 0.5-1%, choline chloride 0.3-0.5%. The preparing process consists of proportioning constituents, mixing homogeneously, disintegrating, modulating, palletizing and drying.

The invention relates to a pond three-dimensional breeding method. The method comprises the steps that a pond is built, aquatic plants are planted, freshwater shrimps are bred, snakehead is bred, green ducks are bred in pens, and ducks are bred in the pond. By means of the method, the snakehead output quality and the duck egg output quality are good, fed fodder is little, ecological benefits are good, and the economic value is high.

The invention relates to an ecological and high-density snakehead breeding method. The method comprises the steps that a cement breeding pond is built, a plurality of drainage holes are formed in the bottom of the breeding pond, a plurality of cultivation tanks are formed nearby the breeding pond, cultivation media are scattered and laid in the cultivation tanks, snakehead fry are fed in the pond from early September to the beginning of October after the pond is filled with water, meanwhile, vegetable seeds are sown, after the snakehead fry are fed, water in the breeding pond is changed once every six to seven days in spring and autumn, water in the breeding pond is changed once every 15 to 17 days in summer and winter, and changed water is used for watering cultivated vegetables. Snakehead breeding and vegetable planting are combined, an environment-friendly, pollution-free, ecological and healthy breeding system is achieved, the water in the breeding pond is changed periodically, it is guaranteed that snakehead has a good living environment, changed dirty water is used for watering the vegetables in the cultivation tanks, natural resources are fully utilized, no fertilizer needs to be applied in the vegetable cultivation process, and the green, organic and pollution-free vegetates are cultivated, and are more suitable for being eaten by consumers.

The invention discloses bacillus velezensis and an application of the bacillus velezensis in aquaculture. The bacillus velezensis WLYS23 strain is preserved in the Guangdong Microbial Culture Collection Center, and the preservation number of the bacillus velezensis WLYS23 strain is GDMCC No: 60890. The bacillus velezensis disclosed by the invention is separated from healthy hybrid snakehead, is an endogenous strain, and has a relatively strong antagonistic effect on seven aquatic animal pathogenic bacteria, namely aeromonas salvii, aeromonas simplex, aeromonas hydrophila, aeromonas veronii, aeromonas hydrogassum, plesiomonas shigelloides and nocardia seriolae.

The invention discloses a microbial water purifying agent for snakehead culture water and a preparation method thereof. The preparation method comprises the following steps: adding 20-40 parts by weight of surface-modified C8 and C18 alkyl-chain magnetic silicon balls into 200-400 parts by weight of water; adding 80-100 parts by weight of microbial reagent, including 60-80 parts of Synechococcus, 60-80 parts of Oscillatoria, 10-30 parts of Nitrosococcus, 10-30 parts of Nitrosolobus, 10-20 parts of iron bacteria, 10-20 parts of Leptothrix, 1-5 parts of Thiothrix, 1-5 parts of Vitreoscilla, 30-70 parts of paramecium, 30-70 parts of infusorian, 30-50 parts of Tetraselmis and 30-50 parts of blue algae; and adding 50-90 parts by weight of beef extract peptone agar culture medium, and culturing. The microbial water purifying agent can be added into a snakehead culture tank to achieve the goal of purifying culture tank water.

The invention mainly relates to the technical field of food processing and discloses a preparation method of flavor fish paste. The method includes the steps of preparation of raw materials, drying, first fermentation, second fermentation and seasoning; the method is simple, the fish paste is convenient to prepare, industrialized production can be conducted, and the obtained flavor fish paste is fresh, fragrant, strong in flavor, tender and chewy, spicy, tasty and refreshing, appropriate in sweet and salt degree and free of any additive; the paste type in the market is increased, and the demands of consumers for nutrients and taste are met; snakehead is selected as the raw material and is tender in meat, abundant in nutrient and capable of improving the flavor of the fish paste; after fishis cooked, fish bones are removed to prevent customers from choking when the customers enjoy the fish paste, and therefore the applicable customer range of the fish paste is more extensive; after thefish bones are removed, freeze drying is conducted to reduce the moisture of the fish to render the fish much tenderer and chewier and improve the chewiness of the fish.

The invention provides snakehead matching feed. The snakehead matching feed comprises, by weight, 43.50-45.50 parts of domestic fish meal, 0.35-0.37 part of aspartic acid, 1.28-1.45 parts of fish oil. 1.48-1.79 parts of peanut oil, 6.4-6.60 parts of corn, 7.90-8.10 parts of bean pulp, 6.60-8.60 parts of cottonseed meal, 5.80-10.80 parts of rapeseed meal, 3.50-6.50 parts of peanut meal, 0.94-0.96 part of vitamin premix, 10.50-14.50 parts of wheat bran, 24.50-28.50 parts of wheat middling, 2.54-2.56 parts of bentonite, 0.4-0.6 part of sodium alginate, 1.70-1.90 parts of mineral salt premix and 1.10-1.30 parts of gamma-aminobutyric acid. It is shown by experiments that growth and metabolism of snakeheads can be promoted, the feed utilization rate is increased, and the acute ammonia nitrogen stress ability is improved.

The invention discloses a hybrid snakehead rhabdovirus fluorescent quantitative PCR (polymerase chain reaction) detection kit and a detection method thereof. The kit contains specific primers HSHRV-2F and HSHRV-2R and a probe HSHRV-2probe. When the kit is used for detecting hybrid snakehead rhabdovirus, the kit has the characteristics of high sensitivity, high repetitiveness and good specificity, can quickly and accurately realize qualitative and quantitative detection of hybrid snakehead rhabdovirus, and is of far reaching importance in early diagnosis of hybrid snakehead virus diseases, molecular epidemiology research, prevention and control technology research and the like.

The invention relates to a feed specially used for snakeheads; the feed is characterized by comprising the components in parts by weight: 24-34 parts of fish meal, 10-20 parts of soybeans, 0-10 parts of bean pulp, 5-10 parts of rapeseed meal, 2-6 parts of corn protein powder, 10-23 parts of wheat, 10-22 parts of flour, 1.5-2 parts of monocalcium phosphate, 1-4 parts of soya-bean oil and 1-2 parts of zeolite powder. The feed oil is used, so that the feed protein is saved, the input quantity of nitrogen carried by the feed material and the fish excrement for the aquatic water can be reduced, and the eutrophication of the aquatic water quality is effectively controlled.

The invention belongs to the technical field of fish reproduction and discloses a method for reproducing snakehead fishes by using artificial insemination and a hatching barrel. The method comprises the following steps: temporarily rearing selected parent fishes in a cement pond at the water temperature of 25-26 DEG C and performing spawning induction; in the cement pond at the water temperature of 28-29 DEG C, after the effect time, carrying out inspection and ore squeezing once every 2 h, three times in total; temporarily rearing parent fishes after ore squeezing, preventing inflammation with a penicillin agent to keep the survival rate of female parent fishes at 75% or above; taking testes from male fishes, and grinding the testes in a sperm preservation solution in a separated manner with a metal net; and before fertilization, activating sperm in the sperm preservation solution, then pouring ores for fertilization, hatching the ores in the hatching barrel after leaving the ores tostand for more than 2 h, and inflating the hatching barrel; taking out fertilized ores after hatching the ores in the barrel for 2 days, and performing fry culture after yolk sacs are absorbed 1-2 days later. The method significantly the utilization rate of female parent fishes and the survival rate of the female parent fishes after spawning, reduces field occupation and increases the fry hatchingsuccess rate.

The invention relates to the technical field of traditional Chinese medicine liquor, in particular to snake baijiu and a preparing method thereof. According to the snake baijiu, after live snakes arekilled, snake galls are taken, rest viscera are removed, snake heads, snake blood and snake bodies are separated, and the snake galls, snake heads, the snake blood and the snake bodies are treated with different means respectively, and then are soaked with baijiu with different concentrations and mixed. The snake baijiu is soaked with the method, soaking time is short, the dissolution rate of beneficial components is high, parasites and worm eggs in the snake baijiu can be successfully killed, and the snake baijiu capable of expelling wind and dredging collat, warming and smoothing blood vessels and free of viable parasites and worm eggs is obtained.

The invention discloses a culturing method of snakeheads. The method comprises the following steps: selection of fries, cultivation of juvenile fishes, cultivation in growing period, construction of a livestock farm, feeding with daily food, control of daily temperature. According to the culturing method of snakeheads, a greenhouse is adopted for cultivation, so that a small ecological environment which is isolated from the natural environment is formed, and besides, the temperature in the greenhouse is higher than the temperature in the natural environment by 3 to 4 degrees, the feeding time of the snakeheads can be effectively prolonged, the food intake of the snakeheads can be improved, the purpose of shortening the culturing cycle is achieved, the invasion from natural bacteria can be effectively isolated in breeding and occurrence of dead of disease can be reduced due to the fact that the greenhouse is adopted for cultivation.

The invention provides a hybrid snakehead spermatozoa preserving fluid. Water is taken as solvent, and every one liter of preserving fluid comprises 7.5-8.5g of sodium chloride, 0.4-0.5g of potassium chloride, 0.1-0.15g of calcium chloride, 0.2-0.6g of sodium bicarbonate, 8-15g of glucose and the balance being water. The hybrid snakehead spermatozoa preserving fluid is simple in source, easy to operate and feasible, preservation is carried out at conventional low temperature, spermatozoa preserved with the preserving fluid are long in preservation life, high in activation rate and good in sperm motility, guarantee is provided for spermatozoa preservation and reproduction of hybrid snakehead, and the hybrid snakehead spermatozoa preserving fluid has good application prospect.

The invention provides a making method and slicing apparatus of a snakehead dumpling wrapper, and belongs to the technical field of dumpling wrapper making. The making method of the snakehead dumplingwrapper comprises the steps of ingredient preparation, snakehead pretreatment, snakehead slicing and the like. According to the making method, a dumpling filling and an ingredient for blending and stirring the snakehead dumpling wrapper are made; snakehead is pretreated, namely scaling is performed firstly, then gills are removed, then laparotomizing is performed, the fish head of the snakehead is cut off, fish bones are removed, and meanwhile, the snakehead is divided into two parts along dorsal fins; the snakehead is sliced, namely slicing equipment is disinfected before slicing, and half of the snakehead is cut into slices by the slicing equipment; kneading is performed, namely the cut slices is put into a vessel, and egg white is added for kneading; and stirring is performed, namely the ingredient for blending and stirring the snakehead dumpling wrapper in the step S1 is added into the vessel, and stirring is performed. According to the making method, a way of making the dumplingwrapper with snakehead as a raw material is used, so that the diversity of dumpling wrapper materials is improved, and the problem that dumpling wrappers are single in variety is solved.

The invention mainly relates to the technical field of feed processing, and discloses a fry feed for improving the survival rate of snakeheads. The feed is prepared from the following raw materials: corn flour, wheat middling, black bean meal, blood powder, fish meal, shrimp meal, chicken powder, beef powder, fruit-vegetable powder, an additive, bacillus natto and lactobacillus. The raw materialsare rich and balanced in nutrients, so that the digestive absorption of snakehead fry is promoted, and the survival rate of the fry reaches 91.6%, and a feed conversion ratio is 1.21, and the breedingefficiency of snakeheads is obviously improved. The feed is inoculated with the bacillus natto, and a wet feed is subjected to natto fermentation so as to generate rich enzyme substances, promote thedigestive absorption of the fry, improve the metabolism of the fry, and accelerate growth and development. After the natto fermentation, the blood powder, the fish meal, the shrimp powder, the chicken powder, the beef powder and the fruit-vegetable powder are added to the feed, and the obtained feed is inoculated with the lactobacillus and subjected to low-temperature fermentation so as to reducethe pH value of the raw materials, facilitate the gastrointestinal functions of the fry, generate a large amount of micromolecular nutrients and fragrance components, promote digestive absorption, enhance the organ functions of the fry, and improve the survival rate of the fry.

The invention provides fine dried noodles with seafood and a preparation method thereof. The fine dried noodles with seafood is prepared from the following components in parts by weight: 3-5 parts of kelp, 3-4 parts of codfish meat, 2-3 parts of snakehead fish meat, 2-3 parts of oyster meat, 1-2 parts of scallop meat, 35-40 parts of wheat flour and 15-20 parts of noodle water. The fine dried noodles contain kelp, codfish meat, snakehead fish meat, oyster meat and scallop meat; nutrient materials are various in varieties and rich in content, and are pulverized into micro-fine powder by a pulverizer, so that the nutrient materials in the fine dried noodles can be more easily absorbed by human body; and the fine dried noodles with seafood can be conveniently processed and produced.

The invention discloses a high-temperature-stage feed for hybrid snakeheads, which comprises the following components: fish meal, chicken meal, meat and bone meal, shrimp meal, spray-dried blood cellmeal, soybean protein concentrate, corn protein meal, peeled soybean meal, beer yeast powder, flour, vital gluten, fish oil, phospholipid oil, L-lysine hydrochloride, DL-methionine, L-threonine, a yeast extract, monocalcium phosphate, a vitamin mixture, a mineral mixture, choline chloride, taurine, squid visceral ointmen, emodin, vitamin C, vitamin E, edible salt, an antioxidant and a mildew preventive. The invention further discloses an application of the feed in the high-temperature breeding period of the hybrid snakeheads. The feed provided by the invention has high protein content and goodpalatability, can improve the high-temperature stress resistance of the hybrid snakehead, can reduce the damage to the liver of the snakehead body, can enhance the physique of the snakehead body, andcan improve the survival rate of breeding.

The invention relates to a bionic snake head device based on IPMC driving. The invention aims to provide a bionic snake head device. The device is simple in structure and small in size, and deeper exploration is made for taking an IPMC material as a driving material of a robot. According to the technical scheme, the bionic snake head device based on IPMC driving is characterized by comprising an upper shell, a lower shell and eyes, wherein the lower shell is hinged to the upper shell through a rotating shaft to form a snake mouth shape; the eyes are mounted on the upper shell and used for detecting the condition in front of a snake head; the upper shell and the lower shell are respectively provided with a cavity, and the two cavities are connected into a whole; an IPMC driver, a battery and a button switch are arranged in each cavity; the upper shell and the lower shell are both made of an IPMC driving material; and the IPMC drivers are connected with the inner wall of the upper shelland the inner wall of the lower shell through external electrode plates so as to achieve opening and closing movement of a bionic snake mouth.

The invention provides a safe and healthy quick-frozen meatball and a preparation method thereof, and relates to the technical field of food processing. The safe and healthy quick-frozen meatball andits prepartion method comprise the following raw materials in parts by weight: 80-100 parts of pork, 40-50 parts of mutton, 15-20 parts of snakehead, 20-25 parts of silkie, 2-6 parts of tea, 3-9 partsof amomum tsao-ko, 10-16 parts of onion, 8-12 parts of celery, 4-7 parts of hawthorn, 10-14 parts of carrot, 5-8 parts of raisins, 3-5 parts of Angelica sinensis, 10-15 parts of red jujube, 1-2 partsof ginseng, 3-6 parts of Chinese wolfberry, 1-3 parts of donkey hide gelatin and 1-3 parts of turtle gelatin. The silkie and the snakehead are added to supplement high nutritional ingredients for patients, the Angelica sinensis, the red jujube, the ginseng, the Chinese wolfberry, the donkey-hide gelatin and the turtle gelatin are added to supplement vitality, tonify spleen and lung, enrich bloodand harmonize blood, and nourish yin and kidney, and the tea, the amomum tsao-ko, the onion, the celery, the hawthorn, the carrot and the raisins are added to relieve greasiness and remove fishy, which is worth promoting vigorously.

The invention belongs to the field of aquatic animal breeding feed additives, and particularly relates to an immunity enhancing agent for resisting parasitic diseases of a snakehead as well as a preparation method and application thereof. The immunity enhancing agent for resisting the parasitic diseases is prepared by fermenting an immunity enhancing composition and fermentation bacteria powder; and the immunity enhancing composition comprises the following components: sulfur, areca-nut, cortex meliae, fructus gleditsiae, radix aucklandiae, licorice roots, cyrtomium rhizome, fried dry ginger,radix aconiti lateralis preparata, herba cistanche, radix astragali, radix codcnopsitis pilosulas, red peppers and hawthorn, the fermentation bacteria powder comprises lactobacillus acidophilus powder, bifidobacterium powder and saccharomycetes powder. The immunity enhancing agent for resisting the parasitic diseases can effectively expel and kill variousparasitesof costia necatrix, trichodina, chilodonella cyprini, coccidium, myxosporea and various the likeparasites inside and outside the snakehead bodies, can improve the immunity and the parasitic disease of the snakehead, and can increase the culture economic benefit.

The invention discloses a preparation method of a gel type fish soup instant food, and belongs to the field of instant food processing, snakehead is washed, diced, fried and boiled under high pressure, fish soup in a pot is crushed and sieved, a modern food forming technology and a nutrition compounding idea are adopted to develop novel snakehead gel soup, kelp molecular balls are matched, and the instant food is prepared. Meanwhile, a gel compounding technology is used for stabilizing a fish soup system, so that the novel gel type fish soup convenient food which is comprehensive in nutritional composition, can be eaten instantly or brewed, is instant, smooth and not greasy, and the fish soup tastes mellow and delicious after being heated is obtained.

The invention discloses snakehead fish ball food, and relates to snakehead fish ball food for preventing and treating tumors. The snakehead fish ball food for preventing and treating tumors consists of the following raw materials in parts by weight: 100 parts of snakehead meat, 10-30 parts of a pimpinella diversifolia fluid extract, 20-30 parts of starch, 1-5 parts of table salt and 8-20 parts of clear water; and the pimpinella diversifolia fluid extract is prepared from 100 parts by weight of pimpinella diversifolia. The snakehead fish has the functions of removing stasis and promoting production of new tissue, nourishing and conditioning, and the like; and the snakehead fish ball food for preventing and treating tumor diseases, which is prepared from the pimpinella diversifolia, has functions of resisting bacteria and viruses, and inhibiting cancers, and is not only suitable for ordinary consumers to prevent tumor diseases in daily taking, but also applicable to the adjuvant health protection of tumor patients.

The invention relates to a probiotic fermentation mixture for preventing and treating a rotten body disease of hybrid snakeheads bred in a pond and an ecological prevention and control method of the mixture. The probiotic fermentation mixture is prepared from 5-30 parts of a live bacterial mixed solution, 100-200 parts of bran residues, 200-300 parts of sterile water and 1-10 parts of glucose, wherein the live bacterial mixed solution is prepared from 1-10 parts of bacillus subtilis, 1-10 parts of bacillus cereus, 1-10 parts of bacillus licheniformis, 1-6 parts of yeast, 0.5-5 parts of lacticacid bacteria and 100-1,000 parts of sterile water. The probiotic fermentation mixture is periodically applied to the hybrid snakehead breeding pond, according to the method, the water quality is adjusted, mixing and feeding of the lactic acid bacteria are conducted, the water of the pond can be kept fresh, the dissolved oxygen amount in the water is increased, diseased fishes gradually restore toforage, the rotten part does not expand anymore and gradually heals, and finally the skin and scales grow again.

The invention relates to an artificial snakehead feed. The artificial snakehead feed comprises the following constituents in parts by weigh: 30 to 60 chicken intestine, 20 to 30 parts of flour, 10 to 20 parts of cow dung, 2 to 12 parts of shaddock peel, 2 to 8 parts of yeast powder, and 1 to 5 parts of penicillin. The feed takes chicken intestine, cow dung and flour as main constituents, which replace live baits, such as fish and shrimps, fished from natural water, effectively reduces the harm to snakehead by bacteria in fish and shrimps, reduces the incidence rate, provides vitamins for snakehead by adding the shaddock peel and penicillin, improves the immunocompetence and the resistance of snakehead, improves the palatability by adding the yeast powder, can effectively prevent common diseases caused by bacteria, effectively enhances the body immunity of snakehead, improves the resistance to diseases and increases the survival rate, has no toxic or side effects and untoward effects, and is good in palatability and low in cost, and suitable for the popularly feeding of the snakehead.

The invention discloses a production method of snakehead fillets. The production method comprises the following steps of Step 101) live snakehead acceptance inspection; Step 102) bloodletting; Step 103) slaughtering; Step 104) snakehead strip cutting and trimming; Step 105) snakehead fillet slicing and soaking; Step 106) pickling; and Step 107) quick freezing, wherein the Step 101) live snakeheadacceptance inspection comprises the following specific steps of selecting fresh live snakeheads which have healthy snakehead bodies, can lively swim and have due body colors, no malformation and no skin erosion phenomenon, and putting the selected snakeheads into a temporary raising pond for temporary raising. A water circulation device and an oxygenation pump are arranged in the temporary raisingpond; the water circulation device comprises a water pump and a plurality of water outlet pipes; the water pump is positioned in the temporary raising pond; the water outlet pipes are arranged at theside edge of the temporary raising pond and connected with the water pump; after the water in the temporary raising pond is sprayed out from the water outlet pipes under the effect of the water pump,the water in the temporary raising pond is in a flowing state; and the water in the temporary raising pond is electrochemistry water for fishing. The snakehead fillets produced by the production method have the advantages of good color and luster, no fishy smell and good taste.

The invention belongs to the field of food processing, and particularly relates to a making method of a snakehead-basal tail shrimp paste product. The preparation method comprises the following steps: washing snakehead with clear water, selecting back fish meat, cleaning and peeling to obtain snakehead meat for later use; then washing basal tail shrimps with clear water, and removing shrimp heads and shrimp skins to obtain shrimp meat for later use; mixing the snakehead meat and the shrimp meat, and chopping, wherein the mass ratio of the snakehead meat to the shrimp meat is (1-3): (7-10); and after chopping, adding pig fat, table salt, egg white and starch, chopping again, filling the obtained mixture with a sausage, heating in a water bath kettle, and then cooling to obtain the snakehead-basal tail shrimp paste product. According to the snakehead-base tail mashed shrimp product prepared by the preparation method disclosed by the invention, the cross-linking condition of protein is obviously improved, and the snakehead-base tail mashed shrimp product has good gel strength, is a mashed shrimp product with high protein, high nutrition and better mouth feel, and can simultaneously meet the requirements of consumers on different levels of mouth feel, nutrition and the like.

Provided is a preparation method for a snakehead soup with mung beans. The invention relates to the field of food processing. The preparation method comprises the following steps: pretreating raw materials, processing mung beans, stir-frying a snakehead, preparing a snakehead soup, and preparing the snakehead soup with mung beans. The snakehead soup with mung beans is made of the mung beans and the snakehead as the main ingredients, which has the effects of heat clearing, detoxification, and summer cooling, and is good for people who have a bad liver and high serum lipids. The snakehead is rich in protein, vitamin A, B vitamins, calcium, magnesium, zinc, selenium and other nutrients, and has the effects of tonifying heart and nourishing yin, clearing kidney water, excreting dampness, removing heat and detoxifying. The snakehead soup with mung beans is prepared from the mung beans and snakehead as the main ingredients and an appropriate amount of auxiliaries, which makes the final snakehead soup with mung beans have the characteristics of clearing summer heat and generating body fluid, clearing heat and detoxifying, activating blood and eliminating phlegm, nourishing the lung and stomach, and relieving dyspepsia. The raw materials of the snakehead soup with mung beans are the common ingredients selected from the market and the snakehead soup with mung beans has the advantages of being simple and easy in processing method, convenient to eat and low in cost.

The invention discloses a low-salt white snakehead fish ball, which is prepared from the following raw materials in parts by weight: 500 to 800 parts of white snakehead fish meat, 100 to 200 parts of corn starch, 30 to 70 parts of egg white powder, 1 to 10 parts of composite phosphate, 8 to 18 parts of table salt, 7 to 17 parts of arginine, 15 to 35 parts of fresh ginger powder and 70 to 120 parts of ice water. The invention further discloses a preparation method of the low-salt white snakehead fish balls. The white snakehead fish balls prepared by the preparation method disclosed by the invention are good in appearance, snow-white in surface color, free from impurities, good in taste, good in elasticity and easy to chew and swallow; the protein content is high, the fat content is low, the nutritional value is very high, and the eating of the old people is facilitated.

The invention relates to an indoor bostrichthys sinensis fry intermediate rearing method, and relates to fish fry rearing. According to the invention, pipes and air pumps are placed in a plastic tank; the plastic tank is filled with seawater; bleaching powder is added for disinfection, and the plastic tank is washed by using seawater; a sun shade net is washed by using seawater, and is exposed under sunlight; living water salinity of the fries before capturing is determined; if the living water salinity is different by no more than 10 than the seawater salinity in the plastic tank, the fries are directly placed in the plastic tank for intermediate rearing; if the salinity difference is higher than 10, the fries are subjected to 1-2 days of transition, and are transferred into the plastic tank for intermediate rearing; the fries are not fed the day the fries are placed into the plastic tank; after that, the fries are fed with bait-feed once every morning and evening; fry rearing water is replaced every two days; light intensity is kept below 6lux and seawater dissolved oxygen is maintained at (5.84+ / -0.184)mg L<-1>. When fries achieve full lengths of 8.2cm and weights of 8.0g with intermediate rearing, the fries are transferred into a culturing pond and are subjected to adult fish culturing.

The invention belongs to the technical field of fish reproduction, and discloses a method for breeding Channaidae fish by using artificial insemination and hatching tanks. Selected broodstock are temporarily raised in a cement pond with a water temperature of 25-26°C, and induced labor is carried out; In a cement tank with a water temperature of 28-29°C, after the effect time is reached, check the egg squeeze every 2 hours, and perform a total of 3 times; after the egg squeeze, the broodstock is kept temporarily, and penicillin is used to prevent inflammation, and the female broodstock survives more than 75% ; The male fish takes the testis, and grinds it with a metal mesh in the sperm preservation solution; before fertilization, the sperm in the sperm preservation solution is activated with water, and then poured into the eggs for fertilization. The eggs are fertilized and left to stand for more than 2 hours, then hatched in the hatching bucket, and the hatching bucket is inflated; the fertilized eggs are hatched in the bucket for 2 days to produce membranes, and after another 1-2 days, the yolk sac is completely absorbed, and the seedlings are cultivated. The invention significantly improves the utilization rate of male broodstock and the postpartum survival rate of female broodstock, reduces site occupation and improves the success rate of seed hatching.