257results about How to "Reduce the bait coefficient" patented technology

The invention relates to aquaculture feed, in particular to litopenaeus vannamei compound feed special for winter shed cultivation and a preparation method of the feed. The feed comprises a protein source raw material, a fat source raw material, a sugar source raw material, an antioxidant, a phagostimulant, composite vitamin and composite mineral salt. The invention provides the litopenaeus vannamei compound feed special for winter shed cultivation and the preparation method of the feed, with the advantages of high survival rate, high growth speed, high stability in water, high ingestion speed, convenience for use and low environmental pollution, so as to solve the problems of low growth speed, serious disease, low survival rate and the like of the litopenaeus vannamei during winter shed cultivation at low temperature and promote the healthy development of the litopenaeus vannamei cultivation industry.

The present invention discloses a ferment zymophyte biological water-cleaning nutrient feed for shrimps and crabs. Said nutrient feed is made up by using microbial zymophyte agent, organic material, inorganic material, high-protein material and microelement according to a certain mixing ratio through a certain preparation process. Said invention also provides the concrete steps of said preparation process.

The invention discloses a Procambrus clarkii culture granulated feed and a production method thereof. The Procambrus clarkii culture granulated feed is prepared from the following raw materials: fish meal, meat and bone meal, bean pulp, rapeseed meal, peanut meal, flour, rice bran, squid cream, shrimp bran, ecdysone, adhesive, table salt, monocalcium phosphate, zeolite powder, premix, mixed grease (wherein, the ratio of fish oil to soya-bean oil to lard oil is equal to 2-3:1:1), Rhubarb anthraquinone and the like. The preparation method comprises: stirring and mixing in a stirrer; meanwhile, adding steam; pelletizing, dewatering and cooling; and finally preparing the Procambrus clarkii culture compound granulated feed. The Procambrus clarkii culture compound granulated feed prepared by the production method has the advantages of good taste attractant and palatability, high stability in water, normal exuviation, low autotomy rate, high growth speed, low bait coefficients and the like. The Procambrus clarkii culture compound granulated feed can be utilized to obtain the optimal culture effect according to the specific culture situation when being used for cultivating the Procambrus clarkii.

The invention relates to an anti-stress puffed feed for black carps and a production method thereof and belongs to the technical field of aquatic product compound feed. The production method thereof is characterized by comprising the following steps: crushing fish meal, bean pulp, silkworm pupa, corn protein feed, rapeseed meal, cotton meal, blood powder, bread flour and potassium sorbate mildewcide, and uniformly mixing the crushed mixture and fish oil, 50 percent choline chloride, rhubarb anthraquinone extract, immune polysaccharide, lactobacillus sporogenes, premix compound for fish, zeolite and calcium biphosphate with stirring; crushing the mixture to form a mixed material with a supermicronmill after uniformly mixing with stirring, adding the mixed material into a modulator, introducing water vapor into the modulator to modulate the mixed material, and adding the modulated mixed material into an extruding and puffing granulator to prepare the mixed material into particles; and drying and cooling the puffed feed particles and packing the feed particles into bags. The anti-stress puffed feed of the invention has simple preparation and balanced and rich nutrition, can meet the growing requirements of the black carps, improves the immunity and oxidation resistance of the black carps, improves the anti-stress property and disease resistance, reduces water body pollution caused by throwing the feed in a breeding process, improves the palatability of the feed and promotes growth.

The invention discloses a Ictalurus punctatus compound feed, the contents of mass ratio of characteristic materials are as follows: vitamin A 0.005-0.007, vitamin D3 0.004-0.006, vitamin E 0.070-0.090, vitamin K3 0.002-0.004, vitamin B1 0.003-0.005, vitamin B2 0.005-0.007, vitamin B6 0.08-0.012, vitamin B12 0.001-0.003, nicotinamide 0.030-0.050, calcium pantothenate 0.10-0.30, folic acid 0.01-0.03, biotin 0.001-0.002, VC-phosphate 0.300-0.400, inositol 0.070-0.090, antioxidants 0.200-0.300, wheat-middlings 1.000-1.200, ferrous sulfate 0.400-0.600, copper sulfate 0.010-0.030, zinc sulfate 0.150-0.200, manganese sulfate 0.100-0.150, iodine 0.050-0.150, Se 0.050-0.070, cobalt chloride 0.010-0.030, magnesium sulfate 1.000-1.500, zeolite powder 5.0-6.0, xylo-oligosaccharide 0.008-0.012, bacillus licheniformis 0.01, weatings 90.-110., wheat-middlings 110-130, rice bran 75-85, soy bean powder 55-65, soybean meal 190-210, peanut meal 25-35, fish meal 95-105, cottonseed meal 75-85, rapeseed meal 110-130, gem meal 45-55, soybean oil 15-25, lysine 0.8-1.2, methionine 0.8-1.2, salt 2.0-2.5, betaine 3-5, allicin 0.1-0.3, choline chloride 1.0-2.0, calcium dihydrogen phosphate 15-25. Compared with other feeds, the usage rate of feed nutrient ingredients for Ictalurus punctatus is increased by 10-15%, feed coefficient is reduced by 5-10%, feed waste is reduced, nitrogen and phosphorus excretion of Ictalurus punctatus in the environment is reduced, at the same time the survival rate of Ictalurus punctatus is improved significantly.

The invention discloses a water quality improvement agent for aquaculture and a preparation method thereof. The water quality improvement agent is prepared from the following raw materials in percentage by weight: 5 percent to 10 percent of lactobacillus, 5 percent to 10 percent of photosynthetic bacteria, 5 percent to 10 percent of bacillus, 5 percent to 10 percent of brown sugar, 10 percent to 20 percent of activated carbon, 25 percent to 35 percent of zeolite powder, 3 percent to 5 percent of citric acid, 2 percent to 5 percent of sodium bicarbonate and 10 percent to 15 percent of calcium peroxide. According to the water quality improvement agent disclosed by the invention, organic matters in a water body of water for the aquaculture can be reduced, and the content of ammonia-nitrogen and nitrite is greatly reduced; the chemical oxygen consumption of pond bottom sludge is improved and oxygen debt of the pond bottom is alleviated; growth and proliferation of beneficial microorganismsand decomposition of organic pollutants are accelerated and the circulation of pond substances is accelerated; the proliferation of beneficial algae in a pond is accelerated so that the pond dissolved oxygen is increased; a culture water region environment is improved, healthy growth of aquatic animals is promoted, the feed coefficient is reduced and the economic benefits are increased.

The invention discloses a method for breeding penaeus vanmamei. The method comprises the steps of pond disinfection, oxygenation, water introducing, shrimp fry selection, and feeding in the stages of growth and development of the shrimp fries to P5, the night before putting of the shrimp fries, about 25 days after putting of the shrimp fries, and the middle and latter periods of breeding. Feeds of corresponding stages are provided according to different nutrition demands of the penaeus vanmamei at different growing stages, so that the penaeus vanmamei can be kept in a stable and healthy physiological status, the bait coefficient of the penaeus vanmamei can be lowered, the growing speed is increased, and the disease resistance of the penaeus vanmamei is favorably improved. The penaeus vanmamei bred by adopting the breeding method disclosed by the invention is high in survival rate and yield.

The invention discloses a special sea fish feed for high-density recirculating aquaculture and a preparation method of the special sea fish feed. The special sea fish feed comprises the following components: white fish meal, fish meal made in china, euphausia superba meal, whey powder, casein, methionine, L-lysine, refined fish oil, cod liver oil, vital gluten, corn starch, peanut meal, special microecologics, special algae powder, functional components, decavitamin and compound trace elements. The special sea fish feed is capable of enhancing the immunity of sea fish, improving the growth speed, the survival rate and the feed conversion efficiency, and reducing the occurrence probability of malformation and albinism, is low in bait coefficient, low in feed cost in the breeding process, and suitable for high-density recirculating aquaculture of the sea fish.

The invention discloses a low carbon type litopenaeus vannamei ecological fodder and a preparation method thereof. The fodder comprises the following components: bean pulp, fish meal, flour weevil powder, chicken powder, inkfish powder, earthworm powder, fly maggot powder, silkworm chrysalis meal, shrimp head shell powder, rapeseed dregs, rice bran, wheat flour, corn flour, enteromorpha algae powder, saccharomyces cerevisiae, fish oil, soybean oil, phospholipid oil, folium mori flour, monocalcium phosphate, choline chloride, compound ore, compound vitamins, vitamin C phosphate and phytase. The fodder has scientific compatibility of medicines; the fish protein is replaced by the insect protein mainly from flour weevil, so that the dependence on the imported fish meal can be reduced, the cost is lowered and the low carbon purpose is achieved; the bioactive substances including folium mori flour, alga, and the like, are added, so that the factor interference of anti-nutrients can be reduced; the prawn can fully utilize the fodder; the growth performance of the prawn can be promoted; the emission amount of nitrogen and phosphorus can be reduced, so that the breeding environment of the prawn can be improved.

The invention discloses a formula of an artificial mixed feed for adult reeves shad. The artificial mixed feed comprises the following components by percentage: 18 percent of white fish meal, 30 percent of red fish meal, 20 percent of first patent flour, 17 percent of bean pulp, 3 percent of beer yeast, 1 percent of gluten flour, 1 percent of squid powder, 0.1 percent of methionine, 0.3 percent of lysine, 0.3 percent of betaine, 2 percent of composite multi-dimensional, 1.5 percent of composite multi-minerals, 0.3 percent of Vc wax, 0.2 percent of gallbladder smoother, 0.6 percent of monocalcium phosphate, 0.5 percent of soya bean lecithin, 4 percent of mixed oil and 0.2 percent of Immune polysaccharide; meanwhile, the processing requirements are provided, unqualified raw materials and raw materials harmful to a human body are prohibited, and the compatibility of the components is kept in mixing and processing. By the artificial mixed feed, the growth speed of the adult reeves shad isimproved, the feed coefficient is reduced, and the taste of the reeves shad is improved. Through experiments and years of culture condition statistics, the average rate of body weight gain in half a year is 1,758.6 percent, and the feed coefficient reaches 1.8. The formula of the feed and the processing technology meet nutritional requirement and intake requirement of the adult reeves shad in various culture stages.

The invention discloses expanded feed for resisting the fatty liver of tilapia and a preparation method of the expanded feed. The feed is prepared from, by mass, 3% to 8% of domestic fish meal, 15% to 25% of bean pulp, 15% to 30% of double-low rapeseed meal, 10% to 15% of cottonseed meal, 15% to 23% of strong flour, 8% to 15% of corn, 6% to 12% of DDGS, 1% to 2% of freshwater fish oil, 1% to 3% of soybean oil, 1% to 2% of monocalcium phosphate, 1% to 3% of bentonite, 1% to 2% of premix of vitamin and mineral salt, 0.1% to 0.5% of crystalline lysine, 0.1% to 0.5% of free methionine and 1% to 2% of compound fatty liver resisting preparation. Through reasonable component matching, all the nutritional requirements of tilapia are met, the stability of the feed in water is good, the tilapia grows fast, the feed conversion rate is high, and the survival rate is high. Meanwhile, according to the feed, the secretion and metabolic capability of the liver cells of the tilapia can be obviously improved, the liver function and disease resistance of the tilapia can be improved, the organ-body ratio and the fat-body ratio can be decreased, the meat taking rate can be increased, and culture benefits are good.

The invention relates to a protein-saving compound feed for young megalobrama amblycephalas and a preparation method of the protein-saving compound feed. The feed is mainly prepared from the following raw materials: 3-5% of fish meal, 17-22% of soybean meal, 10-15% of rapeseed meal, 10-15% of cottonseed meal, 8-10% of peanut meal, 3-5% of whole-milk extruded soybean, 5-8% of whole-milk vegetable seed, 5-8% fermented cottonseed meal, 3-5% of corn lee protein, 8-10% of wheat bran, 8-10% of wheat shorts, 1-2% of alpha-starch, 0.05-0.1% of bile acid and salt emulsifying agent, 0.015-0.03% of glycyrrhetinic acid, 1% of monocalcium phosphate and 1% of compound-premix for intensively-cultured fishes. The preparation method comprises the following steps of: stirring the raw materials in a stirring machine and introducing steam to prepare grains with the grain size of 1-2mm, and then, dewatering and cooling to the room temperature. By using the protein-saving compound feed for the young megalobrama amblycephalas, provided by the invention, the problem of unbalanced nutrition of the compound feed in the current culture of the young megalobrama amblycephalas is solved, the physical condition of the of the young megalobrama amblycephalas is improved, the growth speed of the young megalobrama amblycephalas and the feed utilization ratio are increased, and the feed production cost and the pollution to a water body in the culture process can be reduced.

The invention relates to carassius auratus gibelio anti-stress feed and a preparation method thereof, belonging to the technical field of compound feed for aquatic products. The preparation method comprises the following steps: stirring and uniformly mixing fish meal, soybean meal, blood meal, rapeseed meal, cottonseed meal, bran, wheat shorts, rice bran, crushed potassium sorbate mildew inhibitor, fish oil, soybean lecithin powder, 50% of choline chloride, curcumin, premix for fish, attapulgite, 50% of vitamin E and calcium dihydrogen phosphate; crushing by an ultramicro-crushing machine to form a mixture after stirring and uniform mixing, and finally preparing the granular feed by utilizing a conventional method of the granular feed. The granular feed disclosed by the invention has comprehensive and rich nutrition, and can improve immunity and oxidation resistance of carassius auratus gibelio, improve stress, enhance disease resistance, improve palatability of the feed and promote growth.

The invention discloses a cultivating method for selenium-rich feed and a selenium-rich abalone. The total selenium content of the selenium-rich abalone is 200 to 1500 Mug/kg, wherein the organic selenium content is greater than or equal to 80 percent. The cultivating method for the selenium-rich abalone comprises the steps that the organic-selenium-rich feed is fed to the abalone every day, wherein the organic-selenium-rich feed comprises following components by weight part: 2 to 6 weight parts of ground high-selenium corn flour, 1 to 5 weight parts of ground high-selenium wheat flour, 1 to 5 weight parts of ground high-selenium soybean flour, and 89 to 98 weight parts of conventional abalone feed; and the selenium content of the organic-selenium-rich feed is in the range of 300 mu g/kg to 1000 mu g/kg. The abalone cultivated by using the cultivating method is rich in selenium elements and integrally has a uniform selenium content; and the cultivating method disclosed by the invention has the advantages that the selenium content and the organic selenium proportion of an edible part of the abalone are increased and standardized large-scale production can be realized.

The invention discloses a method for cyclically cultivating Epinephelus coioides with artificial seawater indoors, which comprises the following steps of preparation of artificial seawater, preparation of cultivation water, selection of fry, regulation and control of water quality, selection of feed, daily sewage suction and water change, and cleaness maintenance of the bottom and walls of a pond. The method is efficient and environment-friendly; Epinephelus coioides obtained according to the method can be high in quality and yield, and healthy, in addition the cultivating survival rate is high, and the feed coefficient is low.

The invention belongs to the field of a feed, and relates to a prawn aquaculture compound feed. The feed comprises the following raw materials: 3-6 parts of euphausiid meal, 20-35 parts of fish meal, 2-4 parts of fly maggot meal, 3-7 parts of chicken meal, 1-5 parts of silkworm chrysalis meal, 2-6 parts of squid liver paste, 2-5 parts of shrimp shell meal, 1-3 parts of algae powder, 3-8 parts of fermented soybean meal, 3-13 parts of soybean meal, 3-8 parts of peanut meal, 2-7 parts of corn gluten meal, 10-20 parts of wheat flour, 4-10 parts of monosaccharide and/or oligosaccharide, 2-6 parts of sleeve fish liver meal, 2-4 parts of fish oil, 1-2 parts of soybean oil, 1-3 parts of soybean phospholipid powder, 0.1-0.4 part of choline chloride and 1-3 parts of monocalcium phosphate. The compound feed is capable of meeting the growth requirement of prawn for nutrition under high salinity (over 3%), good in stability in water, strong in anti-stress capability, high in survival rate and growth speed and low in feed coefficient.

The invention discloses a rapid cultivation feed for takifugu rubripes. The rapid cultivation feed comprises the following components in parts by weight: 20-40 parts of domestic fish meal, 10-20 parts of shrimp powder, 10-20 parts of meat and bone meal, 1-10 parts of chicken oil, 10-20 parts of corn starch, 1-5 parts of soybean lecithin, 0.1-5 parts of an oyster shell extract, 0.1-8 parts of cylindrotheca fusiformis powder, 2-6 parts of sodium alginate, 1-15 parts of functional additive components, 0.1-3 parts of multivitamins and 0.1-5 parts of multiminerals. A preparation method of the rapid cultivation feed disclosed by the invention comprises the following steps: (1) manufacturing raw materials; (2) synthesizing a biological material; (3) converting to a cooked material; (4) puffing and granulating; (5) drying; (6) spraying and coating; and (7) performing vacuum drying. According to the feed disclosed by the invention, by scientific matching, the body color of adult takifugu rubripes can be improved, the growth can be promoted, and the enrichment of tetrodotoxin can be reduced.