47 results about "Clarias fuscus" patented technology

The invention discloses a clarias fuscus feed and a preparation method thereof. The clarias fuscus feed is prepared from the following raw materials in parts by weight: 45-50 of cooked pig blood, 12-15 of minced fish, 9-12 of fish meal, 24-28 of wheat bran, 12-15 of bean dregs, 5-6 of distiller's grains, 12-15 of rapeseed cake, 8-10 of apple leaves, 3-4 of gynostemma pentaphyllum, 1-2 of Borreria stricta, 2-3 of dandelion, 2-3 of Limonium bicolor, 4-5 of wolfberry leaves, 1-2 of dried ginger, 10-12 of radix puerariae, 3-4 of a feeding attractant, and 1-2 of a feed fermentation agent. The feeding attractant contained in the feed formula can improve the fish appetite, increase food intake and realize rapid weight gain. At the same time, the dandelion, gynostemma pentaphyllum and other components involved in the formula are beneficial to human health, and can clear away heat and toxic materials. After being eaten, the clarias fuscus enters the human body through food chain transfer, and is also beneficial to human health.

The invention relates to the technical field of aquaculture feedstuff, in particular to feedstuff additive premix material. The feedstuff additive comprises the following components according to the following weight portion: 150 to 450 portions of astaxanthin, 300 to 700 portions of dunaliella sallina, 150 to 400 portions of vitamin E, 300 to 600 portions of Chinese thorowax, 100 to 250 portions of canthaxanthin, 300 to 600 portions of antioxidant, and 150 to 1,000 portions of corn protein powder. The feedstuff additive has no innocuous and side residue, no drug resistance, environmental protection, and no adverse effect on the feedstuff palatability. The feedstuff additive can obviously improve the body color of fishes in the yellow and red color systems such as golden pompano, pseudobagrus fulvidraco, clarias fuscus, sea bream, large yellow croaker, and the like, can make the body color display natural yellow or red color, and can effectively improve the immunity, reproductive capacity and meat quality of cultivated fish. In addition, the feedstuff additive has stable raw material sources and a simple manufacturing process.

The invention relates to a Clarias fuscus feed which belongs to the field of feeds. The Clarias fuscus feed comprises the following components: bean pulp, wheat, natural pigments, low-fat low-heat cake-shaped rape seed dregs, spray-dried blood cell powder, fish meal, cottonseed meal, choline chloride, Clarias fuscus premix, soybean oil, calcium biphosphate, methionine hydroxy analogue and table salt, wherein the natural pigments are corn protein powder and marigold pollen. The corn protein powder and the marigold pollen, instead of artificial pigments, are added to the Clarias fuscus feed to increase the content of yellow pigment in the clarias fuscus; and the two components contain abundant yellow pigment, and can provide animal nutriments and the sufficient yellow pigment, so that the appearance of the artificially cultured Clarias fuscus is identical to that of the wild Clarias fuscus, thereby keeping the commercial value thereof on the premise of not threatening human health.

The invention discloses ecological type clarias fuscus feed which is characterized by comprising the following raw material components: fish meal, soybean cake powder, dried powder of chicken entrails, wheat meal, peanut meal, earthworm powder, rapeseed meal, corn flour, bone tandage, yeast powder, composite vitamins for fish, composite mineral salt for fish and EM bacteria. The ecological type clarias fuscus feed has comprehensive nutritional ingredients and rich animal protein, the dried powder of chicken entrails and the earthworm powder with the food calling effects on the clarias fuscus are added, the feed is enriched in various vitamins, mineral substances and microbial preparation EM bacteria, the ecological breeding requirements of the clarias fuscus are met, the feed can be used after being prepared, is convenient to store, and convenient to use and has the effect of improving the immunity of the clarias fuscus; the feed prepared according to the formula is comprehensive in nutrition, high in palatability, easy to digest, fast in absorption, and the clarias fuscus is high in growth speed, high in disease resistance and high in breeding survival rate; and the feed is wide in raw material source, easy, convenient and feasible to operate, reasonable in rate and low in cost.

The invention discloses a novel environment-friendly and nutritional efficient clarias fuscus feed and aims to provide the novel environment-friendly and nutritional efficient type clarias fuscus feed which can effectively improve the feed utilization rate of clarias fuscus, reduce the disease damages to the clarias fuscus, improve the water quality and increase the benefits. The technical scheme is that the feed is formed by the following components in mass percentage: 20-25% of flour, 6-16% of rapeseed meal, 2-6% of meat meal, 10-25% of fish meal, 4-8% of peanut meal, 5% of corn protein powder, 22-30% of bean pulp, 1-2% of cuttlefish cream, 5% of DDGS (Distillers Dried Grains with Soluble) feed, 1-2% of fish oil, 2-4% of soybean lecithin oil, 1-2.0% of monocalcium phosphate, 0.2-0.5% of compound vitamin, 1-2% of compound mineral, 0.03-0.05% of mould-proof agent, 0.1% of choline chloride and 0.2-0.4% of phytase; and the sum of all the components is 100%. The novel environment-friendly and nutritional efficient clarias fuscus feed belongs to the technical field of fish feed.

The invention provides a detoxification, fishy smell elimination and freshness increase farming method for Egypt clarias fuscus. According to the method, Egypt clarias fuscus is farmed in a farming ecological pool at room temperature, the fish farming time is 8-12 days, and fodders and medicines are not fed in the farming process. The method is characterized in that micromolecule water and micromolecule air generated because of a device filled with gull rocks are fed into the farming ecological pool together, and the water feeding and air adding time is set to be half an hour; in addition, common water is led into the farming ecological pool slowly for 1.5 hours, water in the farming ecological pool can keep flowing slowly, and in this way, the process operates automatically for 24 hours / day and lasts for 8-12 days; the micromolecule water with oxygen enters the bodies and cells of the Egypt clarias fuscus to clean the bodies and accelerate oxidation reaction in the bodies, and trimethylamine in the bodies can be converted into trimethylamine oxide through the oxidation reaction. According to the method, toxins in the fish bodies are removed completely by cleaning the inside of the live fish bodies through chemical reaction; drug residue detection for exporting to America is passed; the fishy smell in the fish bodies is removed completely, and therefore the fish can be great in taste.

The invention provides a selenium-enriched feed for clarias fuscus and a preparation method of the selenium-enriched feed. The selenium-enriched feed for clarias fuscus consists of the following raw materials: bean pulp, rice bran meal, clarias fuscus powder, meat and bone meal, flour, Folium Isatidis powder, Herba Abri, leaf of Herb Gynostemmae Pentaphylli, auricularia, Pericarpium Citri Reticulatae, garlic, leek seeds, Cortex Eucommiae, salt, compound vitamin and selenium yeast. The bean pulp is formed by grinding selenium-enriched peas, the rice bran meal is rice bran meal of selenium-enriched rice, and the Folium Isatidis powder is formed by grinding selenium-enriched corn. The invention further discloses the preparation method of the feed for clarias fuscus. The preparation method comprises the following three steps: pulverizing, mixing and fermenting, or comprises the following four steps: pulverizing, mixing, preparing liquid medicine and soaking with the liquid medicine. Chinese herbal medicinal ingredients and the selenium yeast are added in the prepared feed for clarias fuscus, so that the prepared feed for clarias fuscus is abundant in nutrition, digestive absorption is facilitated, a certain health-care effect is achieved, survival rate is increased, morbidity is reduced, growth speed of the clarias fuscus is increased, and meanwhile, the flesh of the clarias fuscus is delicious, is abundant in nutrition and is healthful to eat.

The invention relates to a high-yield manual aquaculture technique of clarias fuscus, which comprises the following steps of cleaning a pond, performing quicklime disinfection, removing weeds and pests, culturing water quality, planting a plurality of aquatic plants, putting wintering fish seeds which are healthy and strong in body and uniform in specification in mid-April, selecting corresponding feed, scattering the feed twice per day, mixing little filtering-feeding and omnivorous fish in the fish pond to stabilize the water quality, and catching and coming into a market after 6 months. The technique can effectively improve the yield and the efficiency of the clarias fuscus, thereby promoting the development of clarias fuscus aquaculture.

The present invention discloses a clarias fuscus postpartum parent fish feed and a preparation method thereof. The clarias fuscus postpartum parent fish feed consists of the following raw materials: fish flesh, red fish meal, snail powder, millet, bamboo shoot shells, bagasse powder, tenebrio molitor powder, pine needles, pumpkin powder, oligopeptide fish soluble meal, radix moridae officinalls extract, pomegranate peel extract, radix sanguisorbae, edible salt, canna indica roots and probiotics. Compared with the prior art, the clarias fuscus postpartum parent fish feed has the following advantages: the feed is balanced in nutrition. By conducting fermentation of parts of the raw materials under the functions of filtrates of the radix sanguisorbae and canna indica roots, the feed can improve the esophagus and gastrointestinal functions, enhance the absorption of nutrients, and improve the disease resistance and anti-stress capability, is rich nutrition, high in utilization rate, and beneficial to the nutrition balance of the parent fish, shortens the recovery time, promotes the gonad development, and ensures the development of the gonad and breeding activity in later period.

The present invention relates to the technical field of aquaculture feeds, particularly to a clarias fuscus feed and a preparation method thereof, wherein the clarias fuscus feed is mainly prepared by fermenting 15-20 parts of cardamine hupingshanensis, 14-16 parts of shuanggouhuangqi, 15-17 parts of shamowangyu, 13-15 parts of moringa leaf, 13-15 parts of brassica alboglabra, 13-15 parts of wheat germ, 8-10 parts of beet, 8-10 parts of fragrant bulbophyllum, 6-9 parts of mushroom, 5-7 parts of peanut meal, 5-7 parts of soybean meal, 4-6 parts of eggshell, 2-3 parts of honey, 7-10 parts of silkworm chrysalis, 7-10 parts of meat, 5-7 parts of fly maggot, 5-7 parts of tenebrio molitor, 5-7 parts of blood powder, 3-4 parts of selenomethionine, 3-4 parts of selenocysteine, 1-2 parts of yeast selenium, and other raw materials. The preparation method comprises: raw material treatment, mixing, fermenting, and other steps. The clarias fuscus feed of the present invention has advantages of rich nutrition, clarias fuscus nutrition value increasing, high selenium content, clarias fuscus weight increasing, and breeding benefit increasing.

The invention relates to an installation healthy high-yield culture technique of clarias leather, which is a method for adopting a series of effective specifications and rules for the problems of culture ponds, culture water, fingerling throwing, bait feeding, feed selection, water quality management and the like. By using the technique, high yield can be achieved, and the culture volume of the technique can reach the clarias leather yield above 400 kilograms in per cubic water body and can reach the culture yield above 250 kilograms in per cubic water body in a shallower cement pond; the technique can realize annual culture by using a heat supply facility and a greenhouse, and the highest survival rate is 95% through statistics.

The invention provides a co-culture method for clarias fuscus and water chestnuts and belongs to the technical field of agricultural planting. The method includes the control links of field excavation, water chestnut planting, fingerling putting, water and fertilizer management and disease and pest prevention and control. Nutrients needed for growth of the water chestnuts are guaranteed in a scientific water and fertilizer management mode, pest attacks on the water chestnuts are controlled according to the predation characteristics of the clarias fuscus, and the disease attacks on the water chestnuts are controlled through Chinese herbal medicine liquid. Live feed and pellet feed suitable for growth of the clarias fuscus are developed, and the disease attacks are prevented through the Chinese herbal medicine liquid. By means of the characteristics that the clarias fuscus and the water chestnuts interact, relative to a mode that the water chestnuts are independently planted, the yield of the clarias fuscus is increased while the yield of the water chestnuts is guaranteed, and economic benefits of a planting field are greatly increased.

The invention relates to a multi-species pond polyculture method of penaeus vannamei, adopting polyculture of penaeus vannamei and macrobrachium rosenbergii, pelteobagrus fulvidraco / clarias fuscus and hypophthalmichthys molitrix, and provides a specific polyculture ratio and culture method. The multi-species pond polyculture method of the penaeus vannamei well solves problems that the penaeus vannamei is easy to be ill, mortality rate is high, and benefits are unstable, the multi-species polyculture can effectively utilize breeding space, the macrobrachium rosenbergii, the pelteobagrus fulvidraco and the clarias fuscus can eat weak and sick prawns, prawn diseases can effectively be controlled, the hypophthalmichthys molitrix can eat cyanobacteria to regulate water quality, input cost of bait is reduced, a self-purification ability of a water body is enhanced, and ecological benefits are remarkable. According to the multi-species pond polyculture method of the penaeus vannamei, the survival rate of the penaeus vannamei is high, the scale is large, the macrobrachium rosenbergii, the pelteobagrus fulvidraco / the clarias fuscus with higher economic value are harvested, and economic benefits are considerable.

The invention provides a special feed for clarias fuscus. The feed is composed of the following raw materials in parts by weight: 40 to 60 parts of bean cakes, 6 to 10 parts of choline chloride, 5 to9 parts of salt, 8 to 12 parts of zeolite powder, 20 to 40 parts of liver powder, 6 to 16 parts of betaine, 8 to 12 parts of ginkgo leaves, 30 to 50 parts of corn flour, 20 to 40 parts of peanut cakes, 20 to 30 parts of fish meat, 20 to 30 parts of duck blood and 16 to 20 parts of bone powder. The feed has the advantages of comprehensive nutrient components, high protein content and strong intakestimulating capacity, and can promote the rapid growth of fishes, improve the immunity of the fishes, and enhance the disease resistance of the fishes.

The invention relates to special bait for fishing clarias fuscus fishes, which comprises the following components in percentage by weight: 6-13 gut powder, 3-9 chicken intestine powder, 8-15 freshwater shrimp powder, 2-6 silkworm powder, 1-3 amino acid powder, 3-9 milk powder, 2-6 organized enzyme powder, 2-4 excited agent powder for fish, 2-4 hunger promoting agent powder for fish, 3-9 drawing powder, 2-6 expansion powder, 1-3 puffing powder, 2-4 water incense powder, 3-9 powerful adhesive powder and 25-35 wheat protein powder. The special bait for fishing clarias fuscus fishes is prepared by the following steps: combining the powder together in proportion, putting the combined powder into a stirrer, stirring the combined powder for 90 minutes, taking out the combined powder, putting the combined powder into a dryer, controlling the temperature of the dryer within the range of 55 DEG C to 65 DEG C, baking the combined powder for 1-3 hours, controlling the dryness of the baked substances within the range of 55 percent to 65 percent, taking out the substances for cooling, putting the substances into the stirrer again, stirring the substances for 70 minutes, taking out the substances, putting the substances into an extruder for extrusion, controlling the temperature of the extruder within the range of 75 DEG C to 85 DEG C, controlling the extrusion time for 1 hour, controlling the dryness of the extruded substances within the range of 85 percent to 95 percent, taking out the extruded substances for cooling and packaging the extruded substances.

The invention belongs to the technical field of aquaculture and particularly provides a feeding method for improving the nutritive value of clarias fuscus. A bait adopted by the method is daily fed in a timed mode, healthy growth and development of clarias fuscus liver organs can be effectively promoted, the intestinal absorption and digestion ability is improved, the disease resisting ability of the clarias fuscus is improved, rapid, healthy and strong growth of the clarias fuscus is promoted, the protein content and fat content in fish flesh can be effectively increased, and the nutritive value of clarias fuscus is improved. Nutritive materials adopted by the method are fed at regular intervals, the metabolism ability of the clarias fuscus is further improved, nutrient balance is adjusted, fish diseases are decreased, the water retaining ability of the fish flesh can be effectively improved, and losses of soluble nutritional ingredients and flavor substances can be effectively inhibited, so that the fish flesh is fatter, tenderer, finer, smoother and more delicious, and the flesh content of the clarias fuscus is increased.

The invention relates to a high-yield ecological aquaculture technology of clarias fuscus. The high-yield ecological aquaculture technology comprises the following steps: cleaning a pond, disinfecting the pond through quick lime, and removing weeds and harmful creatures; cultivating water, and planting a large quantity of aquatic plants; selecting robust wintering fish fries of the consistent specification, throwing the fish fries into the pond in the middle of April, selecting corresponding feeds, throwing the feeds twice a day, and performing polyculture on a small amount of filter feeding and omnivorous fish in the pond to stabilize the water quality; after 6 months, catching the clarias fuscus and taking the clarias fuscus to the market. According to the high-yield ecological aquaculture technology of the clarias fuscus, the yield and the benefit of the clarias fuscus can be effectively improved, and the development of the clarias fuscus aquaculture industry can be promoted.

The present invention relates to a clarias fuscus breeding feed and a preparation method thereof, wherein the clarias fuscus breeding feed is prepared from the following raw materials by weight: 24-41 parts of earthworm powder, 17-20 parts of Chinese wolfberry powder, 20-24 parts of puffed soybean, 7-9 parts of beer yeast, 8-11 parts of cod liver oil, 1-2 parts of termite powder, 0.8-1.2 parts of mussel powder, 1.0-1.8 parts of amino acids, 1-2 parts of calcium dihydrogen phosphate, 1.2-2.0 parts of minerals, and 2-3 parts of traditional Chinese medicine powder, and the traditional Chinese medicine powder is prepared from the following raw materials by weight: 0.5-0.7 part of atractylodes macrocephala, 0.2-0.4 part of medicated leaven, 0.3-0.5 part of malt, 0.4-0.6 part of bletilla striata, 0.3-0.4 part of cynanchum otophyllum, and 0.3-0.4 part of excrementum bombycis. Compared to the clarias fuscus breeding feed in the prior art, the clarias fuscus breeding feed of the present invention is prepared according to the nutrition requirements of clarias fuscus, and has advantages of rich nutrition, no hormone, no chemical residue, and clarias fuscus intake and digestion promoting.

The invention discloses a feed for improving the meat quality of Clarias fuscus, wherein the feed comprises, by weight, 20-40 parts of sesame meal, 30-50 parts of peanut meal, 10-15 parts of common yam rhizome, 5-7 parts of dried tangerine peel, 5-7 parts of tree peony bark, 16-18 parts of raw rehmannia glutinosa, 1-2 parts of evodia lepta, 8-10 parts of radix trichosanthis, 8-10 parts of radix isatidis, 26-30 parts of hippophae rhamnoides l fruit, 3-4 parts of cannabis oil, 3-5 parts of edible salt, 2-3 parts of pine leaf, 10-100 parts of water, 2-3 parts of a growth promoting agent, and 1-2 parts of an anti-mould agent. The invention further discloses a preparation method of the feed. The feed of the invention has advantages of complete nutrition, nutrition balancing, high protein content, strong disease-resistance, easy absorption, low cost and the like, wherein the yield of Clarias fuscus is increased by 12% with the feed of the present invention.

The present invention belongs to the technical field of aquaculture and particularly relates to an ecological feed for clarias fuscus and a preparation method thereof. Through reasonable matching andtreating, properties of a mixture of chicken manure, soybean meal, corn distiller's grains, earthworm powder, dried water grass, rapeseed meal, EM (effective microorganisms), soybean oil, edible salt,vitamins and trace elements are blended together; the matching is conducted according to the proportions; the effects of the various raw materials are fully made use of; and finally the ecological feed for the clarias fuscus is obtained. The ecological feed for the clarias fuscus is wide in sources of the raw materials, low in costs, reasonable in matching and rich in nutrients, can be prepared at any time when used, is good in palatability for the clarias fuscus, can meet nutritional needs of the clarias fuscus, can also reduce the prevalence of the clarias fuscus and promotes the growth ofthe clarias fuscus.

The invention relates to a Clarias fuscus feed which belongs to the field of feeds. The Clarias fuscus feed comprises the following components: bean pulp, wheat, natural pigments, low-fat low-heat cake-shaped rape seed dregs, spray-dried blood cell powder, fish meal, cottonseed meal, choline chloride, Clarias fuscus premix, soybean oil, calcium biphosphate, methionine hydroxy analogue and table salt, wherein the natural pigments are corn protein powder and marigold pollen. The corn protein powder and the marigold pollen, instead of artificial pigments, are added to the Clarias fuscus feed to increase the content of yellow pigment in the clarias fuscus; and the two components contain abundant yellow pigment, and can provide animal nutriments and the sufficient yellow pigment, so that the appearance of the artificially cultured Clarias fuscus is identical to that of the wild Clarias fuscus, thereby keeping the commercial value thereof on the premise of not threatening human health.

The invention provides a health-care clarias fuscus food and relates to the field of health-care clarias fuscus ball foods. The invention provides the health-care clarias fuscus ball food for preventing and treating hyperlipaemia diseases. The health-care clarias fuscus ball food comprises the following raw materials in parts by weight: 100 parts of clarias fuscus flesh, 10-30 parts of corydalis amabilis traditional Chinese medicine liquid extract, 20-30 parts of starch, 1-5 parts of cooking wine, 1-5 parts of table salt and 8-20 parts of clean water; the corydalis amabilis traditional Chinese medicine liquid extract is traditional Chinese medicine liquid extract prepared from corydalis amabilis and phyllostachys glauca mcclure roots in the weigh ratio of 10 to (7-10). The health-care clarias fuscus ball food is sweet and mellow in taste and the novel taste of the health-care clarias fuscus food is added; the clarias fuscus flesh has the effects of tonifying kidney, regulating middle energizer and nourishing blood; the corydalis amabilis, the phyllostachys glauca mcclure roots and lotus seeds have the effects of regulating the balance of the heart, the liver, the spleen, the lung and the kidney of a human body; the health-care clarias fuscus ball food has the effects of regulating qi-flowing for strengthening the spleen, compensating thirsty, dispersing blood stasis and removing turbidity, so that the aim of reducing the blood fat is realized; the health-care clarias fuscus ball food is suitable for food-assisted health care of the hyperlipaemia diseases.

The present invention provides a nutritious cat food. The nutritious cat food consists of the following raw materials in parts by weight: 20-30 parts of corn meal, 5-10 parts of fish bone meal, 10-16parts of Clarias fuscus flesh, 3-7 parts of shrimp shell powder, 20-30 parts of soya-bean cake, 8-10 parts of tomatoes, 2-4 parts of glycerin, 1-3 parts of lysine, 0.2-0.4 part of garlicin, 4-6 partsof starch, 1-5 parts of fatty acids, 6-8 parts of pakchoi, 1-3 parts of salt, 0.5-0.7 part of vitamin C and 4-8 parts of edible oil. The nutritious cat food is reasonable in preparation, balanced in nutrition, simple in technology, various in taste, capable of improving the body immunity of pet cats, promoting the metabolism process, preventing hair from drying and shedding and promoting the growth of new hair, reducing the incidence of skin diseases and improving skin allergy and pruritus.

The invention provides a co-culture method for clarias fuscus and water chestnuts and belongs to the technical field of agricultural planting. The method includes the control links of field excavation, water chestnut planting, fingerling putting, water and fertilizer management and disease and pest prevention and control. Nutrients needed for growth of the water chestnuts are guaranteed in a scientific water and fertilizer management mode, pest attacks on the water chestnuts are controlled according to the predation characteristics of the clarias fuscus, and the disease attacks on the water chestnuts are controlled through Chinese herbal medicine liquid. Live feed and pellet feed suitable for growth of the clarias fuscus are developed, and the disease attacks are prevented through the Chinese herbal medicine liquid. By means of the characteristics that the clarias fuscus and the water chestnuts interact, relative to a mode that the water chestnuts are independently planted, the yield of the clarias fuscus is increased while the yield of the water chestnuts is guaranteed, and economic benefits of a planting field are greatly increased.

The invention relates to the technical field of breeding feeds, and in particular relates to a special feed capable of remarkably reducing trichodina infection of clarias fuscus and a preparation method thereof. The special feed is prepared from the following raw materials in parts by weight: 8 to 20 parts of fish meal, 2 to 6 parts of enzymolysis chicken blood powder, 2 to 8 parts of degreased hermetia illucens powder, 13 to 35 parts of soybean meal, 3 to 12 parts of peanut bran, 3 to 8 parts of corn protein powder, 5 to 15 parts of wheat flour, 2 to 5 parts of fish oil, 2 to 5 parts of soybean oil, 0.1 to 0.4 part of choline chloride, 2 to 4 parts of a premix, 1 to 3 parts of calcium dihydrogen phosphate, 0.1 to 1 part of a yeast culture, 0.2 to 0.8 part of taurine and 0.1 to 0.8 part ofeucalyptus oil. The special feed not only has the advantages of comprehensive nutrition and strong food calling, but also can significantly improve the stress resistance and disease resistance of clarias fuscus, improves the body color of clarias fuscus, and better meets the market requirements.

The invention discloses a clarias lazera head soup and a preparation method thereof, and the clarias lazera head soup which is rich in nutrition and uniform in particle size is obtained through ultrasonic-assisted common boiling. The preparation method comprises the following steps: heating a pot, adding 5-35g of soybean oil, adding 100-400g of fish head crushed mud, frying for 20s, adding 1000-1800g of water, then carrying out ultrasonic treatment. A single factor test is adopted to study the influence of ultrasonic time, ultrasonic temperature and ultrasonic power on the quality of fish head soup, and response surface experiments are performed to determine the ultrasonic-assisted treatment conditions are as follows: the ultrasonic time is 25-35min, the ultrasonic power is 420-560W, the ultrasonic temperature is 30-40 DEG C. Finally, the soup after ultrasonic treatment was boiled for 50-80min and filtered to obtain the fish head soup. According to the invention, micro-nano colloidal particles are really formed in the fish head soup, the ultrasonic-assisted boiling technology can promote nutrient substances in the fish head to be dissolved into the soup, the particle size of the particles in the soup is increased, a uniform and stable colloidal solution is formed, and the quality of the soup is improved.

The invention belongs to the field of feeds, and discloses a compound feed for clarias fuscus and a preparation method and application of the compound feed. The compound feed for clarias fuscus comprises the following components of Japanese-grade imported fish meal, fermented soybean meal, dephenolized cottonseed protein, double-low rapeseed meal, beer yeast, porcine globulin powder, starch, cellulose, fish oil, soybean oil, an inorganic salt premix, a vitamin premix, choline chloride, chromium sesquioxide and amino acids, wherein the Japanese-grade imported fish meal accounts for 0.26-0.42 ofthe compound feed for clarias fuscus. According to the compound feed for clarias fuscus, provided by the invention, the fermented soybean meal, the dephenolized cottonseed protein, the double-low rapeseed meal, the beer yeast and the porcine globulin powder are used for replacing 25% of the Japanese-grade imported fish meal, the ingestion, the growth and the feed utilization condition of clariasfuscus are not influenced, the cost can be effectively reduced, and the product competitiveness can be improved.