362 results about "Fish meal" patented technology

The invention discloses piggy creep feed containing composite flavone. The piggy creep feed is prepared from the following raw materials in parts by weight: 13 to 20 parts of expanded corn, 10 to 25 parts of corn, 6 to 13 parts of broken rice, 8 to 12 parts of flour, 8 to 15 parts of whey mist, 3 to 8 parts of soy protein concentrate, 5 to 10 parts of extruded soybean, 0.7 to 3 parts of soya-bean oil, 7 to 12 parts of 46.5-percent bean pulp, 2 to 5 parts of fish meal, 2 to 5 parts of plasma protein powder, 0.3 to 0.7 part of mountain flour, 0.5 to 1.0 part of calcium hydrophosphate, 0.05 to 0.5 part of lysine, 0.05 to 0.3 part of threonine, 0.1 to 0.3 part of sodium chloride, 0.1 to 0.8 part of compound flavone premix compounds, 0.15 to 0.3 part of zinc oxide, 0.03 to 0.06 part of calcium propionate, 0.02 to 0.04 part of ethoxyquin and 1.0 part of suckling pig premix compounds. The invention also discloses a preparation method. The intestinal tract health and the production performance of weaned pigs can be improved.

The present invention relates to the technical field of feeds and particularly relates to a piglet weaning transition feed containing lactic acid bacteria and saccharomycetes compound fermented soybean meal and a preparation method thereof, and the piglet weaning transition feed comprises the following components in parts by weight: 15-20 parts of compound fermented soybean meal, 45-50 parts of corn, 10-15 parts of wheat, 5-7 parts of fish meal, 3-5 parts of whey powder, 3-4 parts of vegetable oil, 1-2 parts of an amino acid supplement and 2-3 parts of a mineral premix, 1-2 parts of a vitamin premix and 1.5-2 parts of a calcium-phosphorus supplement; wherein the compound fermented soybean meal is prepared by performing compound fermentation on soybean meal through lactic acid bacteria and saccharomycetes, and a complementary and symbiotic microbial ecological system is formed by carefully selecting and optimizing the combination proportion of three lactic acid bacteria and two saccharomycetes, so that the fermentation efficiency and stability are improved, and the functionality of a fermentation product is enhanced. Different strains complement each other in the aspects of carbohydrate metabolism, pH tolerance and functional characteristics, and nutrition competition is reduced.

The invention discloses a compound micro-ecological preparation for aquatic products as well as a preparation method and application thereof, and belongs to the technical field of micro-ecological preparations. The microecological preparation disclosed by the invention comprises clostridium butyricum, bacillus licheniformis, enterococcus faecalis and lactobacillus plantarum. The microecological preparation is combined with concentrated cottonseed protein for use, can replace fish meal, is added into feed, can remarkably improve the immunocompetence, oxidation resistance and digestive enzyme activity of animals, and can improve the relative abundance of beneficial bacteria in intestinal tracts, inhibit the growth of pathogenic bacteria and regulate the microecological balance of the intestinal tracts after entering the intestinal tracts of the animals. According to the invention, aerobic bacteria and anaerobic bacteria are cooperatively used, oxygen in the surrounding environment is greatly consumed by bacillus licheniformis and enterococcus faecalis, the proliferation of beneficial bacteria such as clostridium butyricum and lactobacillus plantarum is promoted, and the probiotic effect is fully played.

The invention discloses a microscopic visual detection method for mixing animal-derived adulterated raw materials into fish meal, and particularly relates to the technical field of feed raw material evaluation, and the method comprises the steps of S1, data set construction, S2, sample pretreatment and image acquisition, S3, model construction and training, and S4, model application and result display. The microscopic visual detection method can effectively capture the appearance form, tissue structure, fiber texture, color and luster characteristics and other tiny characters of fish meal and abnormal adulterants under a microscope, and improves the adaptability of the model to environments with different complexity degrees. A visual, accurate and efficient microscopic vision automatic identification method is provided for an adulteration detection link in fish meal quality detection.

The invention provides a formula technology preparation method of a ruminant fattening soybean-meal-free daily ration feed which comprises the following components in percentage by mass: 30-40% of corn, 8-12% of wheat bran, 10-15% of corn distillers' grains, 8-12% of cottonseed meal, 5-10% of rapeseed meal, 3-5% of fish meal, 3-6% of corn protein powder, 5-8% of fermented bean dregs, 6-10% of microbial fermented straw, 2-4% of yeast culture and 1.5-2.5% of mineral element premix. 1-2% of a vitamin premix, 0.3-0.7% of a compound enzyme preparation and 0.5-1% of a microecological preparation. In the traditional feed granulation process, moisture, temperature and pressure are unstable, so that particles are uneven in hardness, large in dust amount and prone to mildewing. According to the method, the optimal granulation parameters are calculated by adopting MOPSO, and the particle uniformity and the storage stability are improved. The intelligent granulation optimization improves the water resistance of particles, reduces crushed materials, improves the palatability of the feed, reduces dust, prolongs the shelf life of the feed, and reduces the storage loss.

The invention discloses a microbial compound feed for improving disease resistance of blue crabs and a preparation method of the microbial compound feed, and belongs to the technical field of feed preparation. The microbial compound feed comprises the following raw materials in parts by weight: 30-40 parts of fermented soybean meal, 20-25 parts of bran, 15-20 parts of fish meal, 5-8 parts of a compound microbial agent, 3-5 parts of algal polysaccharides, 2-3 parts of a radix astragali extract, 1-2 parts of chitosan, 2-3 parts of a mineral premix and 1-1.5 parts of compound vitamins, wherein the compound microbial agent comprises bacillus licheniformis, lactobacillus acidophilus and saccharomyces cerevisiae. The microbial compound feed disclosed by the invention comprehensively improves the disease resistance of the blue crabs and improves the survival rate through various ways, such as nutrition balance, immune regulation and intestinal health improvement, so that the breeding cost is reduced, and the income of farmers is increased.

The invention relates to the field of aquatic feed, and provides a low-temperature adhesive type aquatic feed particle composition and a preparation method thereof. The composition is composed of puffed soybean meal, flour, fish meal, low-temperature directed enzyme, microcrystalline cellulose, modified zein nanoparticles, a protein adhesive and a modified zein ethanol water solution. The preparation method comprises the following specific steps: reacting soybean protein isolate with cross-linking enzyme to generate a protein adhesive, reacting proanthocyanidins with gallic acid to generate gallic acylated proanthocyanidins, and carrying out multi-step treatment on zein. Experimental results show that the composition has excellent water resistance and oxidation resistance, and the growth efficiency and the survival rate of aquatic animals are remarkably improved. The preparation method is simple, the cost is low, heat-sensitive substances in the feed are not damaged, and an economical, efficient and nutrient-rich feed solution is provided for aquaculture.

The invention discloses a compound feed for improving the survival rate of juvenile macrobrachium rosenbergii, and belongs to the technical field of aquatic animal breeding. The fish meal, the soybean meal, the fermented soybean meal, the algae, the starch, the fat, the compound amino acid, the compound vitamin, the mineral substances and the immune polysaccharide are used as raw materials, the fish meal, the soybean meal and the fermented soybean meal are used for providing protein needed by growth of the juvenile shrimps, and the soybean meal and the fermented soybean meal can replace part of the fish meal, so that healthy growth of the juvenile shrimps is guaranteed, and meanwhile, the feed cost is reduced; the addition of algae, immune polysaccharide and compound amino acid can enhance the immunity and anti-stress ability of the juvenile shrimps, and also can improve the utilization rate of protein and other nutritional ingredients, thereby improving the feed efficiency; meanwhile, starch, fat, multivitamins and mineral substances are added to provide nutritional ingredients for healthy growth of the juvenile shrimps, and rapid growth and healthy development of the juvenile shrimps are promoted; and the survival rate of juvenile macrobrachium rosenbergii is increased through the combined action of the components.

The invention belongs to the technical field of aquaculture feed processing, and particularly relates to a processing technology of a sea cucumber intermediate culture feed. The sea cucumber intermediate breeding feed comprises fish meal, soybean protein isolate, seaweed meal, fermented soybean meal, multivitamins, a multivitamin premix and mineral salt. The processing technology comprises the following steps: firstly carrying out crushing pretreatment on the raw materials, then mixing the crushed raw materials, carrying out hardening and tempering, then carrying out twin-screw extrusion puffing to form carrier particles, carrying out low-temperature drying, then carrying out high-pressure atomization spraying technology to load the fish oil phospholipid complex, carrying out three-stage variable-temperature drying treatment, and finally carrying out cooling screening. The sea cucumber intermediate breeding feed processed by the method can be used for breeding in a transition stage from young sea cucumbers to young sea cucumbers, the survival rate of the young sea cucumbers in the breeding process is increased, and the sea cucumber intermediate breeding feed has the advantages of high nutrient retention rate and slow dissolution loss characteristic; in addition, the invention has the advantage of improving the order of micropores in the particles and the compactness of the surface layer so as to improve the physical stability of the sea cucumber intermediate culture feed.

The invention discloses a holothurian culture feed additive and a preparation method thereof, and belongs to the technical field of aquaculture. According to the technical scheme, the holothurian culture feed additive comprises the following components in percentage by mass: 45%-55% of fish meal, 2%-3% of butyric acid bacteria, 25%-30% of compound probiotics, 2%-4% of a Chinese herbal medicine extract, 8%-12% of a fermentation substrate, 10%-15% of seaweed meal, 0.5%-1% of vitamin E, 0.5%-1% of selenium yeast and the balance of a carrier, the compound probiotics are composed of lactic acid bacteria, bacillus and photosynthetic bacteria according to the mass ratio of 2: 1: 1; the Chinese herbal medicine extract is a mixture of astragalus polysaccharide and an asarum extract in a mass ratio of 3: 1; through the synergistic effect of the fish meal, the compound probiotics, the Chinese herbal medicine extract and other components, nutrition balance and intestinal flora regulation and control are achieved, the problems of slow growth, intestinal diseases and water quality pollution caused by traditional feed are effectively solved, and the sea cucumber feed has the advantages that the survival rate of sea cucumbers is increased, and the culture benefits are increased.

The invention provides a feed for relieving weaning stress of lambs and a preparation method of the feed, and belongs to the field of animal feeds. The feed disclosed by the invention is prepared from the following components in parts by weight: 35-40 parts of puffed corn, 15-20 parts of enzymolysis soybean meal, 5-8 parts of fish meal, 5-8 parts of alfalfa meal, 0.3-3 parts of an organic trace element compound, 0.1-2 parts of a vitamin compound, 3-5 parts of whey powder, 0.5-1 part of butyrin, 0.3-0.5 part of glutamine and 0.2-0.3 part of a radix astragali-spina date seed compound extract. 0.2 to 0.3 part of xylooligosaccharide-xylanase compound, 0.05 to 0.1 part of pancreatin active peptide and 0.1 to 2 parts of complex microbial inoculant. The weaning stress of the lambs is reduced through a targeted intestinal tract-immunity-nerve regulation ternary synergistic formula, the digestive system development of the weaned lambs can be obviously improved, the activity of digestive enzymes can be improved, and therefore the weight gain of the lambs is obviously improved, and the lambs stably pass through the weaning period.

The invention provides crab feed capable of improving the quality of crab cream. The feed is prepared from the following raw materials in parts by weight: 15-25 parts of white fish meal, 10-15 parts of fermented soybean meal, 50-60 parts of squid visceral meal, 45-50 parts of krill meal, 25-30 parts of beer yeast, 200-220 parts of high gluten flour, 45-50 parts of wheat bran, 10-20 parts of soybean lecithin oil, 5-10 parts of a vitamin premix special for crabs and 5-10 parts of a mineral premix special for crabs. According to the crab feed capable of improving the quality of the crab cream, on the basis of ensuring the ingestion and intestinal health of crabs, conditions are created for efficient nutrient absorption and utilization, then gonad development and flavor substance accumulation are driven through key substances, meanwhile, a three-dimensional anti-oxidation and immune protection system runs through all the time, the body health is guaranteed, and the crab feed has the effects of improving the crab cream quality and improving the crab cream quality. The method has the advantages of simple operation, stable color and flavor of the crab cream, sufficient energy supply in the whole process, and synergistic operation of all the systems, so that the disease resistance and survival rate of crabs are improved, and the accumulated nutrient substances are efficiently converted into the plump degree, delicious flavor and attractive color of the crab cream.

The invention discloses a method for preparing fermented soybean meal through synergistic fermentation of saccharomyces cerevisiae FNFHSc18 and bacillus subtilis FNFHBS08 and application of the fermented soybean meal, combined fermentation of the saccharomyces cerevisiae FNFHSc18 and the bacillus subtilis FNFHBS08 is utilized, the method has the advantages of being short in fermentation period, high in efficiency and low in cost, the prepared fermented soybean meal is rich in beta-carotene and astaxanthin, and the content of the beta-carotene and the astaxanthin is increased. The contents of crude protein and soluble protein are obviously improved, anti-nutritional factors such as antigen protein, oligosaccharide and urease are greatly reduced, and the nutritional value of the soybean meal is comprehensively improved; the invention also provides an application of the fermented soybean meal feed in breeding, and the fermented soybean meal is used for replacing 30% of fish meal protein, so that the final weight, the weight gain rate and the specific growth rate of the largemouth bass can be obviously improved, and the growth performance of bred animals is enhanced.

The invention discloses a low-fish-meal compound feed for improving the muscle fiber density and muscle texture performance of pelteobagrus fulvidraco and application of the low-fish-meal compound feed, and belongs to the field of feeds. After the mixed plant protein source (corn protein powder, rapeseed meal and soybean meal) is used for replacing 50% of fish meal, the growth performance, muscle fiber density and texture performance (hardness, elasticity and rupture strength) of the pelteobagrus fulvidraco have significant negative changes; by adding 0.6% of lysine, the adverse effects of the low-fish-meal feed on the muscle fiber density and the muscle texture performance of the pelteobagrus fulvidraco can be remarkably improved, namely, high muscle tenderness, elasticity and rupture strength can be kept, and the low dorsal muscle fiber density caused by low fish meal can be recovered; however, when the addition amount of the lysine exceeds 0.6%, the lysine has a significant negative effect on the growth of the pelteobagrus fulvidraco, and the influence of the lysine on the muscle growth and texture performance of the pelteobagrus fulvidraco is related to the regulation of ERK1 / 2 signal activity.

The present invention discloses a feed additive for reducing heavy metal deposition in pig bodies and a preparation method thereof, and relates to the technical field of feeds, the feed additive is prepared from the following components: 10-20 parts of corn gluten meal, 10-20 parts of highland barley powder, 5-15 parts of compound microorganisms, 4-12 parts of whey powder, 4-8 parts of microalgae powder, 2-6 parts of fish meal, 4-12 parts of active additives, and 0.5-5 parts of vitamin C; the active additive is prepared by mixing a Chinese herbal medicine extract and modified activated carbon; through the synergistic effect of multiple functions, the feed additive disclosed by the invention can significantly reduce heavy metal enrichment of target organs in pig bodies, avoid loss of feed nutrient elements, synchronously improve the stress resistance and growth efficiency of pigs, reduce the safety risk of meat products from the source, and provide key technical support for green and healthy transformation of animal husbandry.

The invention discloses an aquatic product breeding feed capable of improving flavor and a preparation method thereof, and particularly relates to the technical field of breeding feeds, the feed comprises fish meal, soybean meal, soybean protein concentrate, shrimp meal, chicken meal, wheat flour, cuttlefish paste, phospholipid, grease, mineral substances, vitamins, lettuce polyphenol, an antioxidant, a mildew preventive and the like. Wherein the lettuce polyphenol is a key functional component. The preparation method comprises the following steps: pretreating the raw materials, mixing step by step, adding grease by spraying, tempering, granulating, drying, screening, spraying the antioxidant and the like. The lettuce polyphenol regulates and controls an mTOR signal channel to promote flavor amino acid deposition and inhibit protein degradation, meanwhile, the intestinal microecology is improved, the antioxidant capacity and digestive enzyme activity are enhanced, and the content of flavor substances such as glutamic acid and glycine in aquatic products is remarkably increased. The method is suitable for culturing various aquatic products, and can effectively improve the flavor and quality of the cultured aquatic products.

The present invention relates to a precise lactation feed for lactating sows, and 100 kg of the feed product comprises the following raw materials by weight: 20 to 28 kg of soybean meal, 2 to 5 kg of fish meal, 2 to 5 kg of MCT microcapsules, 0.2 to 0.4 kg of rumen protected methionine, 0.1 to 0.2 kg of rumen protected tryptophan, 1.5 to 2.5 kg of inulin, 1 to 2 kg of sodium lignin sulfonate, 0.01 to 0.03 kg of a fenugreek seed extract, 1.2 to 1.8 kg of sn-2 palmitate, 0.4 to 0.6 kg of alpha-ketoglutaric acid, 0.08 to 0.12 kg of glycine iron, and the balance of water. The feed is prepared from the following raw materials by weight: 0.15-0.25 kg of zinc methionine, 4-8 kg of wheat bran, 1.2-1.8 kg of a calcium propionate solution, 2-3 kg of lactic acid bacteria fermentation liquor, 0.2-0.4 kg of a rosemary extract and the balance of corn, wherein the total weight of the raw materials is 100 kg. The feed is a precise nutrition regulation feed formula for the sows in the lactation period, and milk yield increase, piglet weaning performance optimization and sow body condition protection are achieved through multi-dimensional nutrition intervention.

The invention discloses a compound feed for weaned piglets and a preparation method thereof, relates to the technical field of feeds, and solves the problems of high stress, low food consumption, slow weight gain, intestinal damage, high diarrhea rate and low survival rate of weaned piglets. Each ton of compound feed for weaned piglets comprises the following raw materials: corn, broken rice, soybean meal, super steam fish meal, extruded soybeans, fermented soybean meal, peanut meal, flour, whey powder, glucose, white sugar, soybean oil, linseed oil, coconut oil, calcium formate, calcium hydrophosphate, amino acid, a vitamin additive, a trace element premix, composite dietary fibers, auxiliary materials and the like. The feed additive can improve the feed intake of piglets, protect the intestinal health of the piglets, enhance the immunity, relieve the weaning stress of the piglets, reduce the incidence rate of diarrhea and disease of the piglets and improve the weight gain rate of the piglets.

The invention relates to the technical field of aquaculture feed, in particular to babylonia feed and a preparation method thereof. The babylonia lutosa feed is prepared from the following raw materials: fish meal, shrimp meal, soybean meal, wheat starch, corn starch, fish oil, vegetable oil, sodium alginate, carrageenan, betaine, an amino acid mixture, a vitamin premix, a mineral premix and an antioxidant. The feed can be dried and stored at normal temperature, and is convenient to store and transport; before being used, the feed is soaked in clear water for 30 minutes and can be swelled and jellied, so that babylonia can eat conveniently; meanwhile, the zero-dissolution-loss characteristic is achieved, and pollution to water quality and water bottom is reduced; a good food calling effect is achieved, and the feeding rate of babylonia can be increased; moreover, eating safety is guaranteed, healthy growth of Babylonia lutosa is promoted, and breeding benefits are improved.

The invention belongs to the technical field of solenopsis invicta prevention and control, and particularly relates to solenopsis invicta food bait as well as a preparation method and application thereof. The invention provides red imported fire ant food bait. The red imported fire ant food bait is prepared from energy main materials and auxiliary materials, the energy main material consists of the following components in percentage by weight: 50-70% of insect protein powder, 5-20% of corn flour, 9-11% of peanut oil, 9-11% of fish meal and 9-11% of cane sugar. The invention also provides an attractant matched with the red imported fire ant food bait. According to the invention, the efficiency of finding bait by the red imported fire ants can be improved, meanwhile, the recruitment behaviors of the worker ants are further increased, more worker ants are lured, and the comprehensive trapping effect is good.

The invention relates to a special microbial agent fertilizer for konjak, and aims to break through the industrial bottlenecks of high incidence of soft rot, damage caused by waterlogging stress and glucomannan synthesis obstacles in konjak cultivation. According to the core technical scheme, the activity of soft rot fungus pectinase is inhibited in a targeted mode through clostridium butyricum, and efficient polymerization of gulcomannan molecular chains is driven in cooperation with a hydroxyproline precursor provided by fish meal; a sulfonic acid group of biochemical potassium fulvate is used for blocking waterlogging free radical poison, and a brown sugar-trehalose carbon source ratio is optimized to stabilize cell osmotic pressure in an expansion period; and a supplementary application mechanism based on a precipitation threshold (greater than or equal to 10mm) and a copper preparation application isolation regulation are established in a matched manner. According to the technology, the three-effect synergy that the soft rot prevention and control rate is larger than 90%, the glucomannan viscosity improvement rate is larger than 70% and the waterlogging survival rate is larger than 85% is achieved, and the core restriction of high-yield and high-quality production of the konjak is systematically solved.

The invention discloses a preparation method of zoeae bait for blue crab artificial fry. The method comprises the following steps: weighing the following raw materials in percentage by weight: 31%-42% of muscula seeking, 29%-33% of hairtail, 15%-20% of metapenaeus vannamei and 5%-25% of nutritional materials; the nutritional material comprises fish meal, cuttlefish paste, soybean meal, high gluten flour, composite vitamins, a modified soybean phospholipid emulsifier, a dark plum extract and turmeric powder; the preparation method comprises the following steps: adding seawater with the same weight as the musculus seeking and the hairtail into the musculus seeking and the hairtail, crushing into a first clastic liquid through a crusher, then adding the miripenaeus vannamei into the first clastic liquid, and uniformly stirring to obtain a second clastic liquid; and adding compound protease and the like which are 0.33-0.45% of the weight of the second clastic liquid into the second clastic liquid.

The invention belongs to the field of rambutan cultivation, and particularly relates to a special compound fertilizer for rambutan and application thereof. According to the special compound fertilizer for the rambutan, disclosed by the invention, the millettia speciosa champ residues, the bagasse, the mimosa pudica and the fish meal are used as substrates, bacillus velezensis HAB-2 is added for fermentation to prepare an extract, and then fulvic acid, brassinolide and naphthylacetic acid are added to finally prepare the compound fertilizer, so that the growth of rambutan seedlings can be remarkably promoted; on the premise that healthy growth of rambutan seedlings is guaranteed, the seedling raising period of the rambutan is shortened, and the method has important promoting significance on cultivation of the rambutan.

The invention discloses a special compound feed for mottled bamboo shark parents and a preparation method of the special compound feed. The special compound feed comprises imported fish meal, domestic chicken meal, squid paste and the like. The preparation method comprises the following steps: crushing and mixing the raw materials, adding water, carrying out steam tempering and curing, granulating, and naturally cooling to obtain the special compound feed for the matta striata shark parents. The prepared special compound feed for the mottled bamboo shark parents is excellent in food calling performance, the problem that artificially domesticated sharks are anorexia and refusal to eat artificial compound feed can be successfully solved, chilled baits are effectively replaced, the breeding cost is reduced, and the pathogen invasion risk caused by unstable quality of the chilled baits is fundamentally avoided. The special compound feed for the parents can also optimize the water environment and realize ecological and healthy breeding of the sharks, the high stability of the special compound feed remarkably reduces the organic matter load of the water caused by bait dissolution loss, the concentration of ammonia nitrogen and nitrite in the water is controlled from the source, the water change frequency and the use of drugs are reduced, and a stable and clean breeding environment is provided for the parents.

The invention relates to the technical field of transportation, and mainly relates to a material ground transportation device for industrial bio-enzyme production. Comprising a base, the base is fixedly connected with a feeding barrel, the feeding barrel is fixedly connected with and communicates with a feeding hopper, the base is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a rotating table, the feeding barrel is rotationally connected with an auger, the auger is connected with a rotating disc through a spline, and the feeding barrel is fixedly connected with and communicates with a discharging barrel; the discharging barrel is slidably and rotationally connected with a material dispersing shell, the material dispersing shell is fixedly connected with a material dispersing plate, and the material dispersing plate is provided with a plurality of sets of discharging holes in an annular array. The discharging area of the discharging barrel is increased through the material dispersing shell, materials in the material dispersing shell are evenly dispersed and enter the reaction kettle, the materials are evenly laid in the reaction kettle after entering the reaction kettle, and the situation that the fish meal is not evenly dispersed due to the fact that the materials directly fall into the reaction kettle along the discharging barrel and then are concentrated in the middle of the reaction kettle is avoided.

The invention provides the food calling type river crab feed, the application effect of the food calling type river crab feed in river crab culture shows that the food calling type river crab feed has remarkable advantages in the aspects of improving the growth performance, enhancing the immune function, optimizing the intestinal microecology, improving the water quality environment and the like, the use of the fish meal is reduced through the fermented vegetable protein, and the specific composite phagostimulant has the advantages that the utilization rate of the fish meal is reduced; the palatability of the river crab feed with the fish meal content reduced is improved, the feed coefficient is reduced, the unit economic benefit is improved, the problem of environmental pollution in the breeding process is effectively relieved, and the river crab feed has good ecological and economic dual values.

The utility model provides a fish meal production raw material de-icing device, which relates to the technical field of fish meal production and processing, and comprises a box body, a de-icing assembly is arranged on the surface of the box body, the de-icing assembly comprises four groups of first springs, and the four groups of first springs are respectively arranged at four corners of the inner surface of the box body. And the tops of the four sets of first springs are connected with a deicing box, a filter screen is arranged in the deicing box, inserting holes are formed in the two sides of the filter screen, and the two sides of the deicing box are connected with fixing blocks. According to the fish meal de-icing device, when fish meal raw materials of different sizes need to be de-iced, corresponding filter screens can be replaced, when the filter screens are replaced, the handles are directly pulled towards the two sides, then the handles needing to be replaced are pushed into the de-icing box to be fixed, and therefore replacement of the filter screens is completed. And the problem that the deicing operation cannot be performed on fish meal raw materials with different sizes due to the fact that an existing filter screen cannot be replaced is solved, and the overall practicability is improved.

The invention relates to a novel amino acid foliar fertilizer and a preparation method thereof, and belongs to the technical field of agricultural fertilizers. The method aims at solving the technical problems that in the prior art, the amino acid conversion rate is low, product stability is poor, and severe conditions such as strong acid and strong alkali are possibly used. The method comprises the following steps: mixing soybean meal, fish meal and saccharomyces cerevisiae thalli to form a compound protein raw material, performing two-stage crushing and degreasing, performing step-by-step enzymolysis by adopting a compound enzyme preparation compounded by alkaline protease and flavourzyme, performing enzyme deactivation, and performing ultrafiltration by adopting a ceramic membrane to obtain purified amino acid hydrolysate, and mixing the hydrolysate with a composite trace element mixed solution formed by EDTA-Fe, EDTA-Zn, boric acid, ammonium molybdate and citric acid, adding humic acid, a seaweed extract and an organic silicon penetrant, and carrying out high-speed shearing, filtering and vacuum degassing to finally obtain the product. The method is mainly used for producing the amino acid foliar fertilizer which is high in free amino acid content, good in stability and easy to absorb by plants.

The invention provides a heat-stress-resistant laying hen feed and a preparation method thereof. The heat-stress-resistant laying hen feed comprises the following raw materials in parts by weight: 50-60 parts of corn, 10-20 parts of soybean meal, 5-15 parts of wheat bran, 1-5 parts of vegetable oil, 5-12 parts of fish meal, 2-5 parts of beta-alanine, 2-5 parts of activated black bean powder, 2-5 parts of quercitrin, 0.2-0.5 part of multivitamins, 4-8 parts of an electrolyte poising agent and 2-3 parts of compound amino acids. The activated black bean powder is obtained by performing enzymolysis activation on black bean powder by using an aromatic amino acid decarboxylase preparation. The laying hen feed disclosed by the invention can be used for feeding laying hens in a high-temperature environment in summer, and through a unique heat stress resistant formula, the heat stress resistant capacity of the laying hens is remarkably improved, adverse effects caused by heat stress are reduced, meanwhile, the antioxidant capacity and the immune function of the laying hens are enhanced, and the growth performance and the egg laying performance of the laying hens are improved.

The invention belongs to the technical field of fishery breeding, and provides a low-oxygen-resistant low-fish-meal compound feed as well as a preparation method and application thereof. The low-fish-meal compound feed is prepared from the following raw materials: fish meal, soybean meal, soybean protein isolate, flour, chicken meal, cassava starch, fish oil, soybean oil, lecithin, monocalcium phosphate, compound vitamins, compound minerals, choline, vitamin C, DL-Met, Lys-HCL, Thr, astaxanthin and chrysophyta laminarin. Firstly, the soybean meal, the soybean protein isolate and other composite plant proteins and the chicken meal are adopted to replace traditional fish meal, amino acid composition is balanced, the nutrition proportion of the compound feed is optimized, and the proportion of the fish meal is reduced to 20%; in addition, compound antioxidants such as astaxanthin and chrysophyta laminarin are added into the compound feed disclosed by the invention, so that the oxidation resistance of fish bodies can be remarkably improved.