414 results about "Crucian carp" patented technology

The invention relates to a general-purpose composite Chinese herbal medicine immune enhancer for freshwater cultured fish, which is made of raw materials with the following weight ratios, based on the amount added per ton of feed: rhubarb 800-2000g; Sanqi 350-1000g; water Silybum 1200-2500g; Cassia 600-800g; Astragalus 600-2000g; Scutellaria baicalensis 500-900g; 500-1500g; Garlic 1000-2000g. After many tests in the laboratory, it has been proved that the general-purpose compound Chinese herbal medicine immune enhancer for freshwater aquaculture fish can improve the survival rate of a variety of freshwater aquaculture fish in the process of attacking viruses; The long-term breeding experiment of farmed fish feed proves that the general-purpose compound Chinese herbal medicine immune enhancer for freshwater farmed fish can effectively reduce the incidence of a variety of high-density farmed freshwater fish and improve the survival of the breed; the additive is safe, efficient, and has no side effects for long-term use. The breeding objects have strong vitality, rapid growth, bright body color, high feed conversion rate, and good breeding benefits.

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 method for breeding allogynogenetic crucian carp fry at a low temperature. The method comprises the following steps of preparing a male and female parent fish dedicated culture pond, selecting and breeding male and female parent fishes, carrying out hasten parturition on the male and female parent fishes, enabling the male and female parent fishes to lay eggs and be fertilized, enabling fertilized eggs to unstick, hatching the fertilized eggs, demolding and breeding the fertilized eggs into small fry, and breeding the small fry into large-size allogynogenetic crucian carp summer flower fry by sending the small fry into the culture pond. According to the method disclosed by the invention, high-quality allogynogenetic crucian carp fry can be bred when the temperature is low in Spring, and the emergence rate and the survival rate of the allogynogenetic crucian carp fry are very high; the production demands of the allogynogenetic crucian carp fry can be ensured, and the economic benefit of an allogynogenetic crucian carp breeding user can be greatly increased; the sustainable development of an allogynogenetic crucian carp breeding industry and the whole ecological benefit, the economic benefit and the social benefit of a fish farming industry can be greatly increased.

A health-care feed of crucian carp for improving immunity is prepared from animal protein source, vegetative protein source, fat, vitamins, minerals and saccharide source including sugar (15-30%) and glycerin (more than 2%).

The invention discloses a nutritional feed for a suckling sow and a preparation method of the feed. The nutritional feed comprises the following raw materials in parts by weight: 140-180 parts of yellow bean powder, 100-150 parts of corns, 80-100 parts of wheat powder, 20-30 parts of maize embryo cakes, 40-50 parts of pumpkin powder, 60-80 parts of tofu residues, 3-5 parts of chicken powder, 2-3 parts of lard oil, 6-10 parts of peanut powder, 0.5-1 part of large red jujubes, 8-12 parts of nitraria tangutorum bobr fruit residues, 6-12 parts of sea buckthorn fruit residues, 2-3 parts of dark plums, 1-3 parts of dark plum beans, 5-7 parts of crucian carp, 0.05-1 part of soy, 0.05-1 part of rice vinegar, 0.1-0.2 part of sesame oil, 2-3 parts of asparagus lettuce, 1-2 parts of codonopsis pilosula, 1-2 parts of astragalus membranaceus, 1-3 parts of loranthus parasiticus, 1-2 parts of coix seeds, 2-3 parts of fish meal, 10-20 parts of wheat straws, 15-30 parts of fine rice bran, 5-10 parts of a phagostimulant and a proper amount of water. The feed is high in protein content and can promote physical restoration, milk secretion and healthy growth of the sow.

The invention discloses bait for fishing crucian carp and / or carp and a using method of the bait and is characterized in that the bait comprises the following components in part by weight: 3-10 parts of earthworm meal, 3-10 parts of blood worm meal, 3-10 parts of silkworm chrysalis meal, 3-10 parts of fish meal, 3-10 parts of krill meal, 10-15 parts of maize meal, 5-8 parts of peanut meal, 5-8 parts of soybean meal, 10-15 parts of wheat germ meal, 3-8 parts of wheat protein meal, 20-30 parts of Alpha-starch, 0.5-2 parts of maize essence, 0.5-1 part of fragrant wheat meal, 0.5-2 parts of sodium cyclamate, 0.3-0.5 part of dimethyl-Beta-Dimethylpropiothetin (DMPT) and 0.2-1 part of trimethyl glycine; all that is needed to prepare the bait is milling the materials into powder and then mixing the materials; the bait is mixed with water in the proportion of 1:1, is kneaded to form dough and stands for 5 minutes, and then a user can pick a little dough by hand and hang the dough on a fishhook to fish. The bait has the advantages of high fish collecting speed, good fish trapping and fishing effects and high pertinence.

The invention belongs to the field of feeds and in particular relates to a feed for breeding crucian carp. The feed comprises the following raw materials by weight percent: 15%-25% of bean cakes, 15%-25% of cottonseed hulls, 10%-20% of sorghum, 10%-15% of distiller's grains, 5%-12% of wheat bran, 5%-10% of rice hulls, 25%-40% of sugarcane bagasse, 1%-3% of bone meal, 0.1%-0.5% of folium isatidis, 0.5%-1.5% of hawthorn fruits, 0.2%-1% of astragalus membranaceus, 0.2%-0.8% of semen cuscutae, 0.1%-0.3% of compound vitamins and 0.05%-0.2% of a crucian carp phagostimulant. The crucian carp feed is prepared from the sugarcane bagasse, the rice hulls and the like as main raw materials; the sugarcane bagasse is low in price, the cost of the feed is reduced and the utilization rate of the feed is increased.

The invention discloses a method for extracting collagen from crucian carp skin. The method comprises steps of preprocessing, washing, enzymatic extraction, salting out, dialysis and freeze drying. The method has the following beneficial effects: the method adopts simple preparation steps andrequires a small quantity of devices, accurate data is provided for each step of operation, the reproducibility is good, and the method is suitable for large-scale production; the collagen is prepared from the crucian carp skin, namely, the crucian carp processing leftover as a raw material, the cost is low, the rate of utilization of the crucian carp is increased, and added value of the crucian carp is increased; the prepared collagen is high in biological activity and can be applied to the fields of drugs, food, health care products, cosmetics and the like; the speed for extracting the collagen with an enzymatic hydrolysis method is high, non-helical telopeptide can be selectively removed by pepsin, so that collagen molecules can be dissolved out, the triple helix structure of the collagen is retained, and the biological activity of the collagen is maintained.

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 a puffed demersal crucian carp mixed feed. The puffed demersal crucian carp mixed feed comprises, by weight, raw materials including fish meal 3-10 parts, pig meat powder 4-8 parts, corn protein powder 5-8 parts, insect protein powder 2-5 parts, fermented soybean meal 3-6 parts, soybean meal 15-20 parts, rapeseed meal 15-25 parts, cottonseed meal 5-15 parts, DDGS 6-15 parts, flour 15-20 parts, soybean oil 1.5-3 parts, monocalcium phosphate 2-3 parts, bentonite 1-3 parts, lysine hydrochloride 0.2-0.4 part, DL-methionine 0.05-0.2 part, choline chloride 0.05-0.1 part, decavitamin premix 0.3-0.6 part, vitamin C phosphate-35% 0.02-0.04 part, composite mineral substance premix 1.0-2.0 parts, taurine 0.01-0.03 part and inositol 0.01-0.03 part. The cost and coefficient of the feed are remarkably reduced, and pollution is reduced.

The invention discloses a grass carp and crucian carp polyculture expanded feed and a preparation method thereof. The feed comprises the following components in percentage by weight: 5 to 15 percent of fermented soybean meal, 20 to 30 percent of rapeseed meal, 3 to 10 percent of coconut meal, 5 to 10 percent of palm kemel cake, 4 to 9 percent of distillers dried grains with soluble (DDGS), 3 to 9 percent of kelp residues, 15 to 40 percent of wheat middling, 0.5 to 1 percent of calcium hydrophosphate, 1 to 2 percent of premix for omnivorous fish, 1 to 3 percent of fish oil, 0.2 to 0.5 percent of crystal methionine, and 0.5 to 1.0 percent of crystal lysine. The polyculture expanded feed can float on the water surface, so that enough ingestion time is provided for cultured fish, the waste of the feed is reduced, meanwhile, the feed expanded at high temperature has high stability in water and difficultly pollutes culture water.

The invention relates to a mullet and crucian carp mixed culture puffed feed and a preparation method thereof, and belongs to the technical field of aquatic feeds. The mullet and crucian carp mixed culture puffed feed is prepared by the steps of crushing fish meal, soya bean meal, rapeseed meal, peanut meal, DDGS (Distillers Dried Grains with Soluble), peas, bean curd residues, cottonseed meal, wheat, cassava, corns and rice bran, and then agitating and uniformly mixing with soya-bean oil, monocalcium phosphate, an anthraquinone extract, glycine betaine, allicin, table salt and a fish premix to obtain a mixture; agitating, uniformly mixing and crushing the mixture by an ultrafine grinder to obtain a mixed material; transferring the mixed material into a regulating device and introducing vapor for regulating; after the regulation, conveying the mixed material into an extruding and puffing granulation machine to prepare pellet feeds; drying the puffed pellet feeds, cooling and packaging. The puffed feed has balanced and abundant nutrition and the nutritional requirements of mullets and crucian carps can be met at the same time; the puffed feed is used for the mixed culture of the mullets and the crucian carps and has the good stability in water; the puffed feed floats on the water surface and the ingestion efficiency is improved; the food coefficient is reduced and the cultivation cost is reduced; the pollution to a water environment is reduced.

A method for culturing two hybrid varieties of fish includes such steps as providing wuchangfish (or red-scale carp) as female parent and topmouth culter (or red crucian carp) as male parent, injecting oxytocic, taking the mature ova, artificial insemination, incubation, culturing black fry by feeding soybean milk for 10-14 days, and culturing for 4-6 months. Its advantages are unique shape, high growth speed, and high resistance to stress.

The invention discloses bait special for fishing crucian carps. The formula comprises 2 to 6 g of sodium benzoate, 2 to 6 g of sorbic acid, 10 to 25 g of fennel, 50 to 150 g of vinasse, 50 to 100 g of hemp, 50 to 150 g of heartleaf houttuynia herb, 10 to 30 g of peanut powder, 5 to 10 g of fritillary, 100 to 300 g of bran powder, 50 to 100 g of poisonous eightangle, 100 to 200 g of oats, 50 to 150 g of earthworms, 100 to 200 g of millets, 20 to 50 g of almonds, 30 to 50 g of largehead atractylodes rhizome and 30 to 50 g of cloves and the fishing bait is produced by matching the above materials according to the above weight range. The bait special for fishing the crucian carps has the advantages of being aromatic and sweet in taste and strong in fishy smell after being entered into the water, enabling a large amount of fishes to be lured to be gathered in a short time, trapping various crucian carps in a large amount and effectively solving a practical problem that fishes cultivated in a complex terrain cannot be gathered.

The invention relates to a formula of allogynogenetic crucian carp fry feed and a processing method thereof. The feed formula consists of fish meal, bean pulp, rapeseed meal, cottonseed meal, peanut meal, bran, soy-bean oil, premix, zeolite powder, monocalcium phosphate, sub-powder and kelp powder. The feed preparation method comprises the following steps of: smashing the raw materials and passing the smashed materials through a 40 mesh screen, wherein materials resided on a 60 mesh screen is less than 20 percent; weighing the raw materials according to the formula and uniformly blending and mixing; feeding the mixed material into a granulator for granulation to obtain pellet feed; and dewatering by cold air, drying in air and packaging to obtain the finished product. The feed of the invention has the advantages that: the nutrition is overall and balance; the preparation processing method is simple; taste attract is high; stability in water is high; and a feed use ratio and a nutrient conversion ratio can be effectively improved, the pollution of cultivation water body can be reduced, the growth and development of aquatic animals can be promoted, and the quality of the cultured product can be improved.

The invention belongs to a freshwater fish cross breeding technology in the culture field, and in particular relates to a breeding and culturing method of hybridized crucian carp, which comprises the following steps: (1) selecting parent fish: selecting Pengze crucian carp as a female parent and Ictiobus cyprinellus as a male parent; (2) culturing the parent fish: culturing the female parent and the male parent in separate pools; (3) injecting hormone for induced spawning; (4) carrying out artificial insemination; (5) carrying out abhesion treatment on the oosperm; (6) hatching the oosperm; and (7) culturing fish fry. The improved crucian carp bred and obtained by the method provided by the invention has fast growth, strong stress resistance and good meat quality, the improved crucian carp with good quality can be stably obtained, and the germplasm can not degenerate easily.

The invention discloses a safe compound feed for allogynogenetic crucian carp, comprising soybean meal, dephenolized cottonseed protein, rapeseed meal, fish meal, fermentation protein peptide for an aquatic product, soybean lecithin powder, soybean oil, calcium dihydrogen phosphate, rice bran, wheat middling, trace element additive used for fish, compound vitamin used for fish, 50% choline chloride, garlicin, nutrition immune type aquatic product attractant, bacillus licheniformis and xylo-oligosaccharide. The safe compound feed disclosed by the invention has safe, efficient and environmental performances, can effectively inhibit multiple pathogenic entero bacteria, improve digestibility of nutrition components, promote the growth of allogynogenetic crucian carp and enhance body immunity of allogynogenetic crucian carp, and remarkably improve the survival rate (higher than 85%) of allogynogenetic crucian carp; meanwhile, the feed is antibiotics-free, and medicinal residue of the feed is zero.

The invention relates to a method for optimal seedling selection and breeding of novel carassius auratus gibelio series, which comprises the following steps: (1) extracting an egg of a Fangzheng crucian carp; (2) extracting a sperm of a Xingguo red carp; (3) stimulating the female nucleus of the egg of the crucian carps for development to generate an offspring through the sperm of the Xingguo red carp; (3) extracting a sperm of a grass carp and a sperm of a megalobrama amblycephala, and extracting an egg of the offspring generated in the previous step; (5) stimulating the female nucleus of the egg of the offspring generated Step (3) for development with the sperm of the grass carp and the sperm of the megalobrama amblycephala; and (6) breeding the improved seedling. The invention has the following technical effects that: 1) the novel carassius auratus gibelio series with genetic stability can be obtained; 2) the sporozoon resistance of the bred novel carassius auratus gibelio series can be significantly improved; 3) the growth speed of the bred novel carassius auratus gibelio series is high, and the intestinal length / full length is increased, thereby facilitating the improvement of the digestibility; and 4) the thickness of the dorsal muscles and the tightness of the scales of the bred novel carassius auratus gibelio series are improved, the survival rate in the long-distance transport is more than 95 percent, the visceral mass is reduced, the body length is increased, and the intramuscular bones are decreased.

The invention relates to compound feed for silver crucian carp, comprising the following ingredients: soya bean meal CP43%, fish meal, beer yeast CP45%, rapeseed meal, cottonseed meal, calcium dihydrogen phosphate, wheat, rice bran, refined vitamins and minerals for fish culture, choline premix, soybean oil and phosphatide oil. Compared with the current feed, the compound feed of the invention hasthe following advantages: (1) reasonable formula and all-round nutrition: the compound feed employs the high-quality soya bean meal, rapeseed meal, cottonseed meal, wheat, rice bran, fish meal and the like as the main raw materials, and is scientifically matched with the addition ingredients such as the refined vitamins and minerals for fish culture, etc.; from the nutritive ingredient table, thefeed contains abundant proteins, amino acids and various nutritional ingredients, thus can satisfy the nutrient and growth requirements of the silver crucian carp; the feed can also promote the silver crucian carp to grow quickly and generate strong disease resistance; (2) low cost of the product: the feed takes the soya bean meal, rapeseed meal, cottonseed meal, wheat, rice bran and the like asthe main raw materials, thus greatly reducing the cost of the product.

The invention provides a new primary culture method for liver cells of crucian carp, which mainly comprises the following steps: a, separating liver tissues from crucian carp; b, digesting cut liver tissues by using a stepwise digestion process and obtaining inner cell mass; and c, purifying and culturing obtained inner cell mass. In the method disclosed by the invention, the raw material is obtained from common crucian carp aquatic experimental animals, in-vitro tissue blocks are soaked in chlorhexidine gluconate (chlorhexidine) to be disinfected for reducing pollution. The tissues are digested by a stepwise digestion process, blood cell lysing solution is used to reduce the blood cell content in cells, and the liver cells are purified by percoll gradient centrifugation. The liver cells are purified by combined material preparation, the stepwise digestion process, blood cell lysing solution and percoll. The method can culture adequate liver cells, the survival rate of the liver cellsis over 90 percent, and the method meets requirements of primary culture.

A biological phosphorus-controlling and phosphorus-removing method used in the eutrophic lake internal pollution comprises the following steps: (1) filter-feeding fishes are put in a lake or reservoir to be treated to breed, the aim of controlling the internal phosphorus of a water body can be realized by utilizing different utilization efficiencies of the filter-feeding fishes to nitrogen and phosphorus in the water body; (2) when the filter-feeding fishes are bred, the number of ferocious fishes is controlled to ensure the survival rate of the bred filter-feeding fishes and increase the breeding efficiency and effect, wherein the filter-feeding fishes are silver carp and bighead carp, the ferocious fishes are Elopichthys bambusa, Culter alburnus and Culter mongolicus and the survival rate of the bred filter-feeding fishes is no less than 70%; and (3) fishes which eats organic detritus is bred at the bottom when the bottom has no fish to eat organic detritus to ensure that the biomass is no less than 1-10g / m<3>, wherein the bred or propagated fishes eating organic detritus are Xenocypris microlepis or crucian carp.

The invention relates to a method for culturing oolong carp and molong carp, which belongs to the technology field of fish culture. The invention includes: (1) producing eggs: establishing inbred line to breed parents, propagate and product according to crucian carp as female parent, molong carp as male parent, or the black individual with variation of body color in the group of omamental carps; (2) inducing spawning: injecting induced spawning drug to estrualize, making mature ovum and sperm inseminate; (3) breeding: dousing fertilized eggs onto the fish nest and putting them into the tank to breed; or dousing them onto the bottom of the tank, hatching looply after fertilized eggs are collected; (4) culturing young fishes: putting 2,000,000-3,000,000 fish fries into the tank, dousing soybean milk to breed young fishes; (5) cultivating: putting 12,000-38,000 young oolong carps or 15,000-25,000 young molong carps into the tank per mu, which grow up this year. Fishes of the invention have the advantage of coal black body, elegant shape, quick growth, delicious meat, strong stress resistance, wide feeding habits, high nutritional valve and extensive application prospects.

The invention belongs to the field of pond culture, and relates to a pond efficient ecological polyculture method suitable for grass carps, chubs, bighead carps, paddlefish and crucian carps. The method comprises the steps of: 1) filling fresh water after 1 week after preparation and disinfection of a pond and carrying out probationary culture of chub till the chub survives; 2) stocking 150g of grass carp, 100g of chub, 100g of bighead carp, 150g of paddlefish and 60g of crucian carp at one time, wherein the polyculture proportion is that grass carps account for 75%, chubs account for 8%, bighead carps account for 6%, paddlefish account for 6% and crucian carps account for 5%, and the average culture density is 3 / sq.cm; 3) feeding twice a day, wherein the total feeding weight per day accounts for 5% of total weight of grass carps in the pond, the feed is polyculture fish seed particle matched feed, and the time of manual feeding begins from the time when the fish seeds are cast to 210 days; 4) adding 20cm of fresh water into the pond every week; maintaining the water quality at pH 7.5-8.5, temperature at 20.0-31.0 DEG C, nonionic ammonia smaller than or equal to 0.02mg / L, total alkalinity 1.00-2.00mmol / L, dissolved oxygen greater than or equal to 5.0mg / L, transparency 28-32cm, chemical oxygen consumption smaller than or equal to 15mg / L, biochemical oxygen demand smaller than or equal to 5mg / L and total escherichia coli smaller than 5000 / L for 210 days. The average fish yield in the middle and lower reaches of the Yangtze River can reach 1000kg / 667 sq.cm.

The invention provides pellet feed for carp, and the raw material and weight shares are as follows: bean of 15 to 20 shares, rapeseed cake of 15 to 25 shares, cottonseed cake of 10 to 15 shares, wheat bran of 10 to 20 shares, secondary flour of 15 to 20 shares, rice bran of 7 to 14 shares, fishmeal of 3 to 6 shares, salt of 0.3 to 0.5 shares, dry cactus of 0.4 to 0.6 shares, dry aloes powder of 0.3 to 0.6 shares, dry garlic powder of 0.1 to 0.4 shares and probiotics preparation of 0.3 to 0.6 shares. The preparation method for pellet feed is as follows: the raw material is firstly taken out and weighted and then crushed into powder, and then is stirred and mixed, finally, mixture is made into pellet feed which t is the finished product. Pellet feed is rich in nutrient, the carp grows fast after eating the pellet feed, the cost of raising the carp is greatly reduced and the immune function of the carp is greatly improved. The disease prevention, medical treatment and anti-virus capability of the carp are also enhanced. After eating pellet feed, the produced carp is green environmental protection food.

The invention relates to a method for preparing an acetylcholinesterase fluorescence biosensor. The invention solves the following problems: the existing enzyme biosensor is prone to being affected by environmental influence so that the enzyme losses activity thus resulting false- positive; the existing biosensor is not allowed for repeated use due to irreversible reactions, in which enzymes are expensive, so that the cost of the equipment is excessively high; the selectivity is low, etc. The method comprises the following steps: firstly, carrying out the extraction separation and purification on acetylcholinesterase in crucian carp brain; then, carrying out the immobilization on the acetylcholinesterase in the crucian carp brain by chitosan; preparing immobilized acetylcholinesterase membranes, namely, obtaining the acetylcholinesterase fluorescence biosensor. The acetylcholinesterase fluorescence biosensor prepared by the invention dispenses with neither external power connection nor reference electrodes, and has the advantages of small size, light weight, high response speed, electromagnetic interference resistance, corrosion resistance, high sensitivity, wide measurement bandwidth, convenient operation, low cost and the like, therefore, the invention is applicable to the rapid detection of organophosphorus pesticide in food.

The invention relates to a traditional Chinese medicine for treating postpartum hypogalactia of women, which is prepared by the following raw medicines: 15g Panax ginseng, 15g Angelica sinensis, 10g Vaccaria segetalis, 10g Medulla Tetrapanacis, 9g Pangolin Scales, three Fructus Liquidambaris, 20g Radix astragali and 10g Ophiopogon japonicus. After the traditional Chinese medicine is prepared, 1500ml water is added in the traditional Chinese medicine, heated to be boiling, and then decocted with slow fire until liquid medicine is concentrated to 250ml, and decoction is prepared after removing slag and filtering. The traditional Chinese medicine can take effect after a patient takes the medicine two times a day respectively in the morning and evening for three days, and the effect can be better by matching with diet therapy of crucian carp and pig trotter soup. The traditional Chinese medicine is remarkable in efficacy, abundant in medicinal resources, low in price, non-toxic and non-side effect.

The invention discloses an environment-friendly crucian carp expanded formulated feed and a processing method thereof. The proportion of the formula of every 100kg weight is as follows: 5 to 10Kg of fish meal, 2 to 8Kg of meat bone meal, 2 to 5Kg of protein casing, 15 to 30Kg of soybean meal, 20 to 50Kg of miscellaneous meal, 8 to 20Kg of wheat middling, 6 to 10Kg of fat powder, 1 to 3Kg of feed-grade mineral, 0.5 to 1.0Kg of compound vitamin for fish and 1 to 2Kg of additive premix. The processing method comprises: demagnetization, primary mixing, primary smashing, ultrafine smashing, secondary preparation, expansion, drying, spraying, cooling and packaging. The environment-friendly crucian carp expanded formulated feed has the advantages of high utilization rate of the feed, fewer pathogenic micro-organisms, long stable time in water, storage transportation resistance, less water pollution, high efficiency, environmental protection and being especially applicable to crucian carps and the like, thereby having important social meaning for the sustainable development for promoting the fishing industry.

The invention discloses a preparation method of feed for a snakehead. The feed comprises tadpole powder, earthworm powder, loach powder, river prawn powder, grass carp powder, crucian carp powder, soybean cake powder, salt, trash fish powder and bone powder; and the percentage is a weight percentage. The formula is prepared by adopting various materials; the proportion of all nutrition materials in the feed is moderate; and the requirements of the snakehead on fat, carbohydrate, crude fiber and mineral substances in the feed can all be met, so that purposes of the feed are achieved. The fish feed prepared by the formula is good in palatability, and can be absorbed rapidly and digested easily; the growth speed of the snakehead is high; the effects of the feed on the fingerling and adult snakehead feeding are good; the snakehead fed by the feed is large and heavy in weight; the morbidity of the snakehead is very low; and the feed is suitable for the feeding in various environments.

Disclosed is a preparation method for crucian carp feed. The feed is composed of sheep gut flour, sheep lung flour, chicken intestine flour, duck intestine flour, varied fish flour, freshwater shrimp flour, lobster flour, egg flour, almond flour, hawthorn flour, sweet potato flour, animal protein flour, vegetable protein flour, sesame flour, longhairy antenoron herb flour, courledmallow flour and spirit grass flour with the percentage as the weight percentage. The formula is good in effect of feeding fingerlings and adult fish and easy to digest. Crucian carps fed by the feed are quick in growth speed, large in size, strong and low in illness rate, so that the feed is quite suitable for feeding in various environments.