624 results about "Silver carp" patented technology

At first, breeding filter feed silver carp, carp and crucian carp in area of water bloom breakout to control algae growing; pelagian eats small algae to reduce quantity of the algae; spiral shell and clam can moves carrying roes toincrease fish spreading area; cyanophage, dissolved algae bacteria and other microbe eating algae are separated and purified from natural water, which is cultured to large quantities in laboratory then to be put in blue algae water bloom breakout orea to control algae; resumption of water plant in water bloom breakout area can control algae growing. Last is getting rid of algae by machine including fixed blue adgae water bloom removing machine and mobile blue adgae water bloom removing machine.

The invention discloses fish feed for mixed culture and a preparation method of the fish feed. The feed comprises one or more of the following ingredients: soya bean meal, rapeseed cakes, rice bran meal, salt, liquid vitamin C, betaine and traditional Chinese medicine additives, and the preparation method comprises the steps of smashing, blending and pelletizing. The fish feed and the preparationmethod have the benefits that on the premise that the yield of grass carps is slightly increased, the yields of breams, crucian carps, variegated carps and silver carps are significantly increased; the utilization efficiency of the feed is effectively improved; the cost of the feed is saved; and the economic benefits of feeding freshwater fish are improved.

The invention discloses a planting and breeding integrated ecological breeding method for a large fishpond. Famous and special breeding varieties such as common carps, golden carps, grass carps, chubs, penaeus vannawei, loaches, soft-shelled turtles, river crabs and the like are put in a suitable place to breed in a breeding pond; and the stocking ratio of herbivorous fishes to forage fishes to demersal residual feed animals by weight percentage is (35-40%) to (50-55%) to (10-15%). Proper biological varieties are selected according to biological requirements of ecological niches and cooperate to build an eco-friendly environment, forage grasses are planted for feeding the herbivorous fishes, the feces of the herbivorous fishes and a water body can produce primary biological baits, the primary biological baits are supplied to shrimps and secondary nutritional fishes, and organic detritus produced by the water body sinks to the bottom of water and is ingested by the demersal loaches, crabs and the like. At the same time, lotus roots and cane shoots are planted in the breeding water body and nutritive salt in the water body is removed for purifying the water, so that a novel high-efficiency energy-saving planting and breeding integrated ecological breeding mode is formed.

The invention belongs to the technical field of water environmental biological treatment and relates to a separating screen of a bacterial strain CY003 for efficiently degrading trite nitrogen, nitrate nitrogen and ammonia nitrogen, method for testing safety and preparing bacterial solution, and application for treating domestic sewage and cultivating sewage. The bacterial strain CY003 of the invention is preserved in Chinese Type Culture Collection Center and the preserved number is CCTCC No.: M209196. According to morphological observation, physiologic biochemical analysis and 16S rDNA homology analysis, the bacterial strain CY003 is Pseudomonas stutzeri which can rapidly degrade the trite nitrogen, nitrate nitrogen and ammonia nitrogen in water and is not toxic to the animals such as silver carp, crucian, freshwater shrimp, small white mouse, and the like. At normal temperature, the Pseudomonas stutzeri can excellently degrade the nitrite and the ammonia nitrogen in actual sewage. After culturing 75 h, the Pseudomonas stutzeri can degrade 94.7% and 92.7% of trite nitrogen and ammonia nitrogen in cultivating sewage and can degrade 96.2% and 94.6% of trite nitrogen and ammonia nitrogen in domestic sewage. The invention has wide application prospect.

The invention discloses a high-calcium fish ball and a manufacture method thereof. The fish ball is made of minced fillet, fishbone paste, egg white, refined salt, monosodium glutamate, white ground pepper, garlic powder and the like according to fixed proportion. The manufacture method comprises the steps of 1 pretreating fish heads or fish bones, rinsing fresh chub heads or fish bones with ozone water, and washing the fresh chub heads or the fish bones with tap water; 2 manufacturing bone paste with the fish heads or the fish bones, and sequentially grinding the washed fish heads or the washed fish bones with a bone paste machine to obtain fish bone paste of certain particle diameter; 3 chopping and stirring, and placing weighted raw materials in a chopping and stirring machine to be chopped and stirred, continuously adding icy water to control temperature; 4 forming, and placing the chopped and stirred materials in a ball machine to be stirred to be formed; 5 heating to form, placed formed fish balls in water, and fishing the fish balls in tap water to be cooled when the fish balls float up; and 6 refrigerating, freezing the cooled fish balls with a double spiral quick freezer, and placing the fish balls in a refrigerator to be refrigerated. The high-calcium fish ball and the manufacture method are reasonable in formula, the raw materials are easy to obtain, production cost is low, and the manufacture method is easy to use, convenient to operate and suitable for industrialized production.

The invention discloses an ecological high-yield circulating breeding system and method. The system is characterized by comprising a plurality of fish breeding pools (1) of the area ranging from 200 square meters to 700 square meters, a sealed greenhouse (2) is arranged on the fish breeding pools, an air inlet is formed in one end of the greenhouse, an air supply device (3) is additionally arranged on the air inlet, an air outlet is formed in the other end of the greenhouse, natural water drainage openings (6) are formed in the bottoms of the fish breeding pools, and water supplementing pumps (4) are installed on the periphery of the fish breeding pools and are communicated with a circulating water source (5). By means of the system and method, the green ecological circulation is achieved, no chemical medicine is used in the whole system or the whole breeding process, full-food-chain recycling is achieved for waste water and excrement produced during fish breeding, the commercial high-yield breeding that 50,000 kilograms of snakehead and 25,000 kilograms of bass are produced per year can be achieved, grass carp, chub, yellow catch eel and other high value-added aquatic products can be produced, and meanwhile, completely-green organic rice, fish, shrimp, crab and other by-products high in economic value can be produced in paddy fields.

The invention relates to a process for preparing minced fish food and products by using meat of fresh water fish such as silver carp, grass carp as raw material, and table salt, modified starch, konjac glucomannan, white sugar, smell removing agent as auxiliary material. The preparing process comprises smell removing, freezing point adjustment, germ-free cooling down, air regulation packaging, and ice temperature storage.

The invention discloses a compound microbial fish fertilizer special for silver carp and a preparation method thereof. The compound microbial fish fertilizer special for silver carp comprises the following components in parts by weight: 0.5-0.8 part of silicate bacteria, 1-3 parts of streptococcus faecalis, 0.6-0.8 part of trichoderma sp, 2-5 parts of rhodopseudomonas palustris, 0.3-0.5 part of saccharomycetes, 50-60 parts of fishbone dust, 65-70 parts of vinegar residue powder, 50-55 parts of effluent precipitate, 40-60 parts of rice bran, 12-14 parts of brown sugar, 10-14 parts of table salt, 80-85 parts of pig manure, 45-55 parts of waste of a pig meat slaughter house, 60-65 parts of aquatic plants, 12-16 parts of calcium bicarbonate, 14-17 parts of urea, 1-3 parts of ferric citrate, 0.6-0.8 part of vitamin B1, 0.2-0.6 part of Vitamin B12, 1-3 parts of rheum officinale, 2-6 parts of Astragalus membranaceus and 4-7 parts of medicated leaven. The fertilizer disclosed by the invention can promote silver carp to grow quickly, the EPA content of fish is increased, the fish diseases are reduced, and the number of dead fish is reduced, and meanwhile, beneficial microorganisms in water are increased. Finally, both the quality and the weight of silver carp are improved.

The invention discloses a silver carp feed, and a feeding method thereof, and specifically relates to composition, weight ratio, preparation steps and a feeding method of a silver carp feed. The silver carp feed comprise following ingredients, by weight, 10 to 15% of silkworm chrysalis powder, 8 to 10% of animal bone meal, 13 to 15% of rapeseed meal, 7 to 9% of bucket wheat powder, 9 to 11% of wheat starch, 10 to 12% of wheat bran, 10 to 11% of rice bran, 12 to 14% of spiral seaweed powder, 3 to 5% of yeast, 6 to 8% of fish oil, 4 to 6% of lecithin powder, 2 to 4% of composite vitamin, and 1 to 3% of mineral substance. The silver carp feed is balanced in nutrition, and is simple for preparation; combination with the scientific feed method is capable of increasing digestion and absorption rate of silver carp, reducing feed waste , shortening growth period of silver carp, reducing culturing cost, and increasing economic benefits.

The invention discloses a farming method of the selenium-enriched Yellow River carp and relates to the field of rearing technology. The Yellow River carp is used as parent fish. Except the period of normal feeding, the Yellow River carp is drugged continuously in 10-100 days before slaughter. The drug applied is selenium-containing preparation and is applied for once or many times each day, 0.4mg / kg.b.w-30mg / kg.b.w each day by selenium. Drug application is performed by mixing the selenium-containing preparation into feed to allow the fish to eat naturally. The farming method has the advantages that a large dose of the selenium preparation is applied to the Yellow River carp before slaughter, and accordingly the fishes of the Yellow River carp high in selenium content can be obtained; products of the Yellow River carp can meet the daily requirements of people for selenium; and the farming method of the Yellow River carp is further applicable to crucian carp, silver carp, catfish, grass carp and other freshwater fishes.

The invention discloses health-care fish balls containing almonds. The fish balls are prepared from raw materials in parts by weight as follows: 200-220 parts of fresh silver carp flesh, 6-7 parts of egg white, 4-5 parts of potato starch, 30-33 parts of Chinese yams, 7-8 parts of pork fat, 3-4 parts of honey, 7-8 parts of fresh bayberries, 3-4 parts of sweet almonds, 1-1.2 parts of Lindernia ruellioides, 0.7-0.8 parts of immature orange fruits, 1.1-1.3 parts of Zinnia elegans, 0.8-1.0 part of saccharose, 0.5-0.6 parts of carrageenan, 0.4-0.5 parts of ginger, 4-5 parts of spices and proper amounts of table salt and water. According to the fish balls, adopted auxiliary materials such as the sweet almonds and the like have functions of moistening lung dryness and relaxing bowels, and adopted Chinese herbal medicines such as the Zinnia elegans and the like has functions of clearing heat and realizing diuresis.

The present invention discloses one kind of low temperature silver carp mash denaturing preservative agent and belongs to the field of food preserving technology. The low temperature silver carp mash denaturing preservative agent is compounded with cane sugar 1-3 wt%, sorbitol 1-3 wt%, sodium lactate 2-4 wt%, sodium tripolyphosphate 0.2-0.5 wt% and sodium glutamite 0.1-0.3. The low temperature silver carp mash denaturing preservative agent is added into silver carp mash to be preserved, and the silver carp mash with the preservative agent after being stored at -20 deg.c for 6-12 months has salt soluble protein amount, gel forming ability and water-retention property reaching 90 % of fresh silver carp mash. The present invention has obvious lowered cane sugar and sorbitol consumption, low cost and convenient use.

The invention relates to a method for breeding rice field eels at high density in flowing water under controlled-temperature condition, which belongs to the technical field of fishery science application, and is characterized in that: a flowing water culture pool is built in a fully-closed greenhouse, and strong rice field eel fry are selected; fry are added according to a density of 5 to 6kg / m<2>; the fed feed is the mixture of commercial rice field eel compound feed and fresh silver carp flesh; the daily additive amount of feed is 4 to 6 percent based on the weight of the rice field eels; and micro flowing water is kept in the flowing water culture pool, the flow rate is kept between 0.05 and 0.10m<3> / h, and the water temperature of the flowing water culture pool is kept between 25 and 28 DEG C. In the invention, the large-scale soilless flowing water culture pool is built, an in-greenhouse controlled-temperature culture mode has the advantages of fresh culture water with rich dissolved oxygen, high culture density, and high feeding drive and growth speed and few diseases of the rice field eels and is an industrial culture mode; and compared with the prior pool net cage culture mode, the culture mode has higher per unit area yield and greater economic benefit.

The invention discloses a method for freshwater fish polyculture through Chinese herbal medicine. The method includes the steps of cleaning a pool, breeding fries outside freely, throwing bait for feeding fishes periodically, conducting water quality management and the like. Through the method, the method for fish polyculture is green and environmentally friendly. Due to the fact that Chinese herbal medicine composition contained in feed is mutually synergetic and complementary, the method has the effects of being resistant to microorganism, virus, parasite, and fungus, and improving immunity, and can effectively accelerate growth and development of fishes. Meanwhile, the toxic and side effects of the Chinese herbal medicine are little, pollution to the environment is little, taste of fish flesh is not affected, and the method is suitable for feeding of chub, grass carp and crucian carp.

The invention discloses an aquatic feed capable of improving the crab yield. The aquatic feed comprises the following raw materials in parts by weight: 90-110 parts of fermented soybean meal, 10-20 parts of degreased milk powder, 10-20 parts of corn protein powder, 30-40 parts of fish bone meal, 50-60 parts of silver carp mince, 30-40 parts of pork, 20-30 parts of chicken, 10-20 parts of earthworm, 5-10 parts of silkworm chrysalis, 10-15 parts of cicada pupa, 9-12 parts of corn oil, 1-3 parts of decavitamin, 6-9 parts of composite mineral substances, 0.5-0.8 part of allicin and 1.2-1.5 parts of berberine. The aquatic feed capable of improving the crab yield can promote the growth of crabs, improve the yield and quality of the crab yield, also can improve the immunity of crabs, and is long in storage time.

The invention discloses a pond fish culturing technology. A method includes the following steps that a pond is cleaned, water is discharged, after the pond is cleaned, the pond is exposed to the sun till the bottom of the pond cracks, quicklime is used for disinfecting the bottom of the pond, the water discharging depth is 1.3 m, high-quality fry are selected for well completing the inspection and quarantine work in the fry throwing process, according to the throwing density and proportion of the fry, 400 grass carps are thrown per mu, each grass carp weighs 50-150 g, 10 silver carps are thrown per mu, each silver carp weighs 50-250 g, 300 golden carps are thrown per mu, each golden carp weighs 50-100 g, 100 common carps are thrown per mu, and each common carp weighs 50-100 g, water quality and water level control is conducted in daily management, fodder is used for feeding, taking the grass carps and the silver carps as an example, ryegrass is taken as the main fodder for the grass carps and the silver carps, disease prevention is conducted, powder chlorine dioxide is used for disinfecting and sterilizing, three times of insect killing is appropriate all the year round, trichlorfon and copper sulfate are generally used for insect killing, and catching and stocking are conducted in rotation. According to the method, the yield and the quality of polyculture fishes can be effectively improved, the diseases are reduced, and the culture benefits are improved.

The invention provides a method for processing tilapia fillet by combination of hot wind and microwave, which belongs to the technical field of aquatic product processing, and relates to a novel technique for processing the tilapia fillet by dehydration. The method is to uses fresh tilapia or frozen tilapia as a raw material to produce a product through selecting, pretreating, flaking, slicing, hot wind drying, microwave drying, cooling, packaging and storing. The novel method for processing the tilapia fillet by the combination of hot wind and microwave solves the problems of long time consumption, low efficiency, reduced product quality and the like for the prior hot wind dehydration, overcomes the cracking defect which often occurs in processing a high water content material by microwave, organically integrates two processing technologies of hot wind and microwave, realizes that safe moisture content can be achieved in a short period, improves the dehydrating efficiency and product quality, prominently improves the storage quality of the tilapia, and is beneficial to change the situations of single processed product of the tilapia and unprogressive processing level. The method is also suitable for processing dehydrated fillets, such as bighead, chub, grass carp and other fresh-water fish.

The invention relates to a large water-surface blue-green algae removing device researched by the principle of simulating chub to filter-feed plankton. The large water-surface blue-green algae removing device adopts a 21m*6m power platform as a carrier and a 50KW diesel generator unit as power; a separating shovel with the width of 10m is arranged at the front end so as to separate surface water rich in blue-green algae when in process, ten branch pump-pipe systems are used for absorbing algae water from the separating shovel, the algae water is conveyed to the algae water to a 600m<2> gill type filter for primary filtration, and then concentrated by a shaking sieve, and a 3m<3> buffer pool stores the algae slurry temporarily; a rear 11KW electric slurry hanging machine provides non-operation drive, a rear 5.5KW frequency-modulation electric slurry hanging machine provides operation drive, and a front 2.2KW spraying propeller provides auxiliary steering power. The width of the operation is 10m, the maximum operation speed is 5km / h, and the capability for absorbing and filtering algae is 1000m<3> / h. The technology can be used for removing the blue-green algae on the lake in a scale manner and has the advantages of high efficiency and low energy consumption.

The invention discloses a method for planting grass to breed grass carp, which comprises the following steps: culturing grass: adopting a clover, ryegrass and sorghum sudanense matched planting mode; performing pond cleaning and disinfection: adopting a soil pond cleaning or drug pond cleaning mode; breeding fingerling: i.e. adopting a 80:20 mixed breeding mode, mainly breeding snakeheads and carrying out mixed breeding on chubs and crucian. By the mode, the method can enlarge a feed source of the grass carp and reduce breeding cost and meanwhile, can improve quality of the grass carp and improve meat quality of the grass carp.

The invention relates to the field of aquaculture, and specifically relates to a grass carp culturing technology. According to the invention, water temperature and stocking time are controlled, such that fish fry survival rate can be improved. Different fishes are stocked at a same time, such that the pond and the water surface can be kept clean. Spotted silver carp helps in removing suspended matters, yellow-head catfish helps in reducing parasitic disease occurrence, and crucian helps in cleaning the river bottom. Therefore, grass carp quality safety is high, and farmer economic benefit is ensured.

The fumigated raised fish product making process includes the steps of: eliminating scales, splitting, washing, draining, pickling, seasoning rinsing, stoving, fumigating, cooling, cutting into blocks, packing, sterilizing, and cold storing and freezing. The fumigated raised fish product is fumigated with wood dust or rice bran, and may be cooked or raw fumigated product. The making process of the present invention is suitable for various kinds of raised fresh water fishes and various raised sea water fishes, and has low production cost and simple operation.

The invention discloses a submerged macrophytes restoring process guided by water conservation fishery. By stocking silver carp and bighead carp and reducing COD (chemical oxygen demand), TP (total phosphor), chlorophyll and other chemical indexes of the water body, the process effectively reduces the algae biomass in the water body, improves the water body transparency, and achieves the aim of preventing algal bloom and improving the water quality, so an excellent growing condition is provided for aquatic macrophytes (in particular, the submerged macrophytes); and by adding fish and other key organisms eating attaching organisms, which is a key link in a food chain, the attaching organisms growing vigorously on the surface of the submerged macrophytes can be removed in time, and the aim of restoring the submerged macrophytes can be achieved.

The invention discloses a production method of deodorized silver carp protein powder, which comprises the steps of taking a low-value freshwater fish, namely a silver carp, as a raw material, preparing surimi pulp, degreasing and deodorizing with saccharomycete fermentation liquid, extracting by an acid method, condensing, and drying to obtain the silver carp protein powder. According to the method, surimi and the rosin saccharomycete fermentation liquid are incubated together, saccharomycete fermentation and active ingredients in the fermentation liquid are used for deodorization, and hydrolysis of an endogenous histenzyme of fish is used to promote protein dissolution. With the adoption of the ultrasonic aided acid method for extraction, the protein extraction rate of the silver carp is increased significantly, and acetic acid can be utilized to deodorize a protein extract effectively. Endogenous enzyme hydrolysis and yeast fermentation liquid deodorization as well as acid method extraction and acetic acid deodorization are performed simultaneously during the whole production process, a bio-enzyme is not required to be added, the technological operation is simple, the cost is low, and the protein powder product is green, safe and good in water solubility.

The invention discloses a silver carp stuffing and a preparation method thereof. The method comprises the following steps: removing the head and viscera of fresh silver carp; cleaning; cutting fresh pork belly into small pieces; and cutting the silver carp meat into small pieces Put the pork belly in a chopping machine and mix it into minced fish; wash the vegetables and cut them into minced vegetables; add an appropriate amount of salt to the minced fish, stir, add appropriate amount of water, monosodium glutamate, chicken essence, pepper powder, ginger powder, Stir cooking wine and soy sauce evenly, add antifreeze, then add minced vegetables and stir evenly. The silver carp filling prepared by the method of the invention is low in cost, has no earthy smell and is delicious and delicious, and is suitable for making dumplings, steamed stuffed buns or pie fillings. The silver carp filling of the present invention solves the problem that freshwater fish are not resistant to freezing due to the addition of an antifreezing agent, and the frozen dumplings processed and produced have no earthy smell and have a fresh and tender taste. The method of the present invention is simple.

The invention discloses an ecological breeding method of breeding penaeus vannamei boone, crucian and chub in a mixed mode. The method includes the steps of preparing a pond, cleaning the pond, inputting water, disinfecting the pond water and richening the water sequentially before throwing in fingerlings and shrimp larvae, throwing in white gold crucian and chub, and then throwing in penaeus vannamei boone larvae. Compared with the prior art, the method has the advantages that the thrown-in white gold crucian does not rob food from the penaeus vannamei boone, the organic content at the bottom of the pond can be greatly decreased, and a substrate is effectively improved; the chub bred in the mixed mode has a good effect on adjusting the balance of algae in a water body, and the water quality can be effectively improved; the substrate and the water quality of the pond can be comprehensively improved by throwing in the fingerlings first, the harm caused by organic matter in bottom mud to the penaeus vannamei boone larvae are further reduced, and the stocking success rate of the penaeus vannamei boone larvae is ensured; the perfect combination of the penaeus vannamei boone, the crucian and the chub has great significance on penaeus vannamei boone breeding environment adjustment, disease prevention and income increase.

The invention relates to a small-waterplane high-density semi-flowing cultivating technology of paddlefish, 5 to 6 paddlefish fries are put in per cubic meter and matched with 60 chub fries and 100 crucian fries, sweet wormwood herb is put into a fishpond at the front stage so as to cultivate plankton in the fishpond as main fry feed, expanded feed is then put into the fishpond as main feed of the paddlefish at the later period, and fishpond water is replaced on time during the cultivation period. The invention is free from the overcritical requirement on a large-waterplane fishpond for cultivating the paddlefish, the paddlefish can be cultivated by a large scale at the area that is short of large-waterplane fishpond, and the paddlefish has high survival ratio, high growth speed and docile temperament and is easy to catch.

The invention relates to a technology of extracting and refining fish oil from internal organs of silver carps, and belongs to the technical field of recycling freshwater fish scraps. According to the technology of extracting and refining the fish oil from the internal organs of the silver carps, firstly, the internal organs of the fresh silver carps are ground into thick liquid after fish gall bladders are removed from the internal organs of the fresh silver carps manually, alkaline protease is utilized to process the thick liquid to extract crude oil, then the crude oil is degummed with phosphoric acid, deacidified with sodium hydroxide, decolored with activated carbon and deodorized in vacuum mode, and then high-quality edible fish oil is extracted. Therefore, not only is waste of resources reduced, but also economic benefits of a freshwater fish processing enterprise are increased. According to the technology of extracting and refining the fish oil from the internal organs of the silver carps, due to the fact that water is not utilized to wash the internal organs of the fresh silver carps, the yield of fish oil can be increased by 5%, and the quality of the fish oil is higher. After the fish oil is refined from the internal organs of the silver carps, remaining material can be processed into high-calcium and high-protein fish meal, and the effect that the freshwater fish scraps are turned from waste into treasure is truly achieved. The problems that existing freshwater fish scraps are mostly used to feed fish in fish ponds in fresh mode or in dried mode, or are even discharged as the waste, and therefore the environment is polluted, and the resources are wasted are solved. The technology of extracting and refining the fish oil from the internal organs of the silver carps has very good social benefits and economic benefits.

The invention provides a method for restoring water bodies in black and stinking rivers and relates to a method for eradicating the black and stinking problems of rivers and restoring the water bodies. According to the method, the water bodies of the black and stinking rivers are restored by utilizing an in-situ treatment manner based on a bionic water plant- microbe preparation-chub-clam-earthworm composite system and a biological oxygen-enriching technique. The method has obvious effect of removing nitrogen and phosphor nutrient salt and has a positive enhancement effect on the aquatic ecosystem of the river. The method is an effective method for restoring the water bodies in black and stinking rivers, and has the advantages of simpleness in component form, low cost, low operating expense, no secondary pollution and safety.