3115 results about "Bone meal" patented technology

Ceramic materials operable to repair a defect in bone of a human or animal subject comprising a porous ceramic scaffold having a bioresorbable coating, and a carrier comprising denatured demineralized bone. The ceramic may contain a material selected from the group consisting of hydroxyapatite, tricalcium phosphate, calcium phosphates, calcium carbonates, calcium sulfates, and combinations thereof. The compositions may also contain a bone material selected from the group consisting of: bone powder, bone chips, bone shavings, and combinations thereof. The bioresorbable coating may be, for example, demineralized bone matrix, gelatin, collagen, hyaluronic acid, chitosan, polyglycolic acid, polylactic acid, polypropylenefumarate, polyethylene glycol, or mixtures thereof.

The invention provides a specialized organic / inorganic composite biological medicine fertilizer for watermelon, and a preparation method thereof. The weight parts of composition raw materials are as follows: 50-70 parts of sludge produced by sewage treatment, 20-30 parts of tree ash, 30-40 parts of watermelon vines, 20-30 parts of cow manure, 15-20 parts of bagasse, 5-7 parts of fishbone dust, 8-10 parts of oil cakes, 10-15 parts of the tree ash, 10-15 parts of phosphorus slag, 8-10 parts of poultry feather, 8-10 parts of monoammonium phosphate, 10-12 parts of triple superphosphate, 12-15 parts of potassium chloride, 2-4 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 10-12 parts of decomposed coal, 2-4 parts of seven leaf clover, 9-11 parts of angled bittersweet, 8-10 parts of capillary artemisia, 5-7 parts of fructus cnidii, 6-8 parts of fructus quisqualis, 3-5 parts of wormwood, 3-5 parts of litsea cubeba, 8-10 parts of daturae flower powder, 3-5 parts of paraffin, 1-1.25 parts of zinc sulfate, 2-3 parts of ferrous sulfate, 0.8-1.2 parts of borax, 10-12 parts of potassium fulvic acid, 3-4 parts of chili oil and 0.2-0.5 part of EM strains. A green organic fertilizer is obtained by mixing a plurality of organic wastes and fermenting the mixture, thereby reducing environment pollutions. The specialized organic / inorganic composite biological medicine fertilizer for the watermelon has the advantages of comprehensive nutrition and enhanced sterilizing effects by mixing the fermented organic materials and inorganic fertilizer and adding medicine juice of the Chinese herbal medicine having insectidical functions. With the application of the fertilizer, watermelon quality can be effectively increased; and the watermelon has green leaves, bright flower, prolonged flowering period and increased output.

The invention relates to a core premix for organic beef cattle, which comprises the following components in percentage by weight: 10-40% of compound galenical preparation, 10-40% of compound enzyme preparation, 10-30% of compound micro-ecological preparation, 20-40% of natural mineral substances, 15-30% of natural vitamins and 5-30% of other preparations. The product can be mixed with organic crop straws, corn, cakes, wheat bran, grass powder, iodized salt, bone powder, calcium powder and the like in certain proportions to be used as a diet for the beef cattle; and by feeding the beef cattle with the diet all year round, not only the immunity of the organic beef cattle can be improved in the feeding process, but also the quality and taste of the beef are improved. Because the product uses the galenical preparation of a plurality of natural traditional Chinese medicines such as cordate houttuynia, honeysuckle flower, radix astragali, forsythia, tuckahoe, fleece-flower root, atractylodes rhizome, white atractylodes rhizome, hawthorn, liquorice and the like as additives to replace the western medicines and antibiotics, uses the compound enzyme preparation to improve the feed utilization ratio and uses the compound micro-ecological preparation to improve the intestinal tract environment of the beef cattle, thus ensuring the food safety of the organic beef.

The invention discloses a daily ration for laying hen in the middle and later periods of egg laying and a traditional Chinese medicine feed additive thereof. The feed comprises bran, yeast power, corn grit, fish meal, bone meal, rice bran, bean dregs, rape seed cake and traditional Chinese medicine feed additive. The traditional Chinese medicine feed additive comprises the following raw material medicines: radix rehmanniae preparata, tangerine peel, Chinese angelica, folium artemisiae argyi, folium isatidis, fructus schisandrae chinensis, fructus ligustri lucidi, rhizoma atractylodis macrocephalae, radix salviae miltiorrhizae, semen cuscutae, herba taraxaci, herba leonuri, radix polygoni multiflori preparata, radix pulsatillae, rhizoma curcumae longae, radix astragali, radix stemonae, radix scutellariae, fructus kochiae and herba andrographis. According to the physiological characteristics of weak qi and blood and gradual recession of the ovary function of the laying hen in the middle and later periods of egg laying as well as the characteristics of specific hot and humid environment in summer, low heat dissipation of the laying hen and the like, the formula aims at eliminating dampness, strengthening the spleen and stomach, tonifying middle and replenishing qi and enhancing disease resistance based on the traditional Chinese veterinarian theory. The traditional Chinese medicine feed additive can effectively improve the laying rate and the egg quality and increase the ecological benefits, economic benefits and social benefits after being applied to the laying hen production.

The invention relates to the range of microorganism fermentation inoculant, in particular to a microorganism composite fermentation inoculant which is used for digesting the compost of livestock manure, crop straws, mud, mushroom slag, decoction dregs, garden shearing substances, grass peat, castor bean meal, bone meal, and bean pulp meal rich in cellulose and organic matters as well as manufacturing a bio-organic fertilizer. 2 strains screened from a plurality of organic waste materials with high capability for digesting cellulose and high temperature resistance (70 DEG C) are scientifically and reasonably combined with 11 beneficial strains to prepare a microorganism composite fermentation inoculant which can not only digest organic materials, but also enhance the efficiency, quality and biological activity of the compost. The invention can be used in the high efficient and reasonable application of agricultural wastes and in the industry of waste disposal.

The invention relates to a soil amendment prepared from biogas residue and wormcast as main material and a preparation method of the soil amendment, which belongs to the technical field of recycling of organic fertilizer and agricultural waste resource. The soil amendment is composed of the main material, amine treated lignite, bone meal, bran, soybean meal, and the other additives. The method prepares the soil amendment by biogas residue and wormcast, utilizes waste reasonably and effectively, is low in cost, changes waste into treasure, and protects environment. In addition, the method has simple process, low energy consumption, easy operation, flexible production, and convenient usage, and is easy for large-area promotion and application.

The invention provides a biomass charcoal-based organic fertilizer and a preparation method thereof. The biomass charcoal-based organic fertilizer comprises, by weight, 30 to 60 parts of biomass charcoal, 10 to 30 parts of mould-free chicken manure, 5 to 10 parts of bone meal, 6 to 11 parts of bentonite, 2 to 5 parts of refined wood vinegar liquid, 2 to 4 parts of a trace element additive and 0.5 to 1 part of a beneficial bacterial agent. Usage of the biomass charcoal-based organic fertilizer is beneficial for improving water-retention and fertility-retention capability of conventional soil, effectively enhancing soil fertility and purifying the growing environment of crops.

The invention relates to a high-efficiency ferment for fermenting bean pulp, belonging to the biologic enzymolysis fermentation technical field. The high-efficiency ferment is formed by mixing bacillus subtilis, bacillus licheniformis, lactobacillus acidophilus, lactobacillus casei, saccharomyces cerevisiae and candida utilis. The fermentation technology comprises the following steps: crushing the bean pulp and corn; activating the strains; uniformly mixing the bean pulp and the fermentation liquor using a mixer; packing the mixed bean pulp in fermentation bag; fermenting the packaged bean pulp and processing fermented bean pulp: drying-crushing-detecting-packaging-finished product. The technology is simple and the product quality is stable and the content of the anti-nutrient factor in the bean pulp is eliminated and obviously reduced, therefore the bean pulp is a safe plant protein feeder for infant animal with balanced nutrient, good quality and low price and help for health growth of the infant animal, in replace of animal protein feeder of bone powder, fish powder or the like.

The invention relates to a green Chinese traditional medicine feed for feeding livestock and poultry, belonging to the rural area stock raising field. The feed is characterized in that the feed is prepared by the mixing of bean pulp of cooked soybean, rape seed cake, cotton cake, fish meal, bone meal, shellfish powder, umbilicus pulp of corn, urea, multiplex vitamin, magnesium sulplate, sodium bicarbonate, Chinese traditional medicines of angelica, tuber fleeceflower, notoperygium root, dried tangerine peel, ledebouriella root, radix codonopsis pilosulae, medicated leaven, rmalt, atractylodes rhizome, Chinese date, milkvetch root, liquorice, prepared rhizome of rehmannia, Chinese goldthread, mucuna macrocarpa, chuanxiong rhizome, frankincense, radix salviae miltiorrhizae, yellow-corktree bark, kuhseng, pine branch, hawkthorn, ginger powder, Chinese anise and carrot powder, micro elements of copper, iron, zinc, manganese, selenium and potassium and amino acids of methionine and threonine. The invention is a green Chinese traditional medicine feed for livestock and poultry, can make all stock raising animals such as pigs, cattle, sheep and poultries absorb nourishments in high efficiency and improve the capability of resisting viruses and bacteria, and can prevent illness and plague; moreover, the meat of the animals fed by the feed meets the national green meat product standard.

The invention relates to a preparation method of a soil conditioner, belonging to the technical field of fertilizer preparation. The soil conditioner is mainly prepared from the following raw materials in parts by weight: 50-70 parts of plant straw carbon, 20-35 parts of fowl / livestock dung, 10-15 parts of bone meal, 1-8 parts of potassium sulfate, 2-8 parts of wood vinegar liquid, 3-9 parts of plant growth regulator and 0.5-1 part of active agent. The preparation method comprises the following steps: preparing carbon powder, pretreating the fowl / livestock dung, preparing a mixture, assaying and detecting, granulating and packaging. The soil conditioner is prepared by mixing the crop straw / bamboo / wood / grass carbon, which is used as the main component, with certain amounts of trace elements, plant growth regulator and bamboo / wood / grass vinegar liquid; since the soil conditioner not only is rich in the three main nutrient elements (nitrogen, phosphorus and potassium) which are essential for crops, but also contains secondary and trace elements, such as calcium, magnesium, sulfur, iron, boron, molybdenum, copper, cobalt and the like, the nutrient proportion of the soil conditioner is reasonable; and when being used as a conditioner, the soil conditioner can increase the organic content of soil and provide more comprehensive nutrients for crops, so that the crops have the advantages of good growth vigor, plump grains and much higher yield.

The invention belongs to the technical field of soil, and specifically relates to flower nutrient soil and a preparation method thereof. The flower nutrient soil comprises the following components in parts by mass: 30-35 parts of leaf mold, 25-30 parts of garden soil, 25-30 parts of river sand, 10-15 parts of activated sludge, 5-10 parts of bone meal, 10-15 parts of decayed farmyard manure, 10-15 parts of sawdust and 2-5 parts of active microorganisms. By using the technical scheme, the flower nutrient soil disclosed by the invention is rich in nutrient substances and short in fermentation time; leaf mold, garden soil, river sand and activated sludge are mixed, so that the flower nutrient soil is good in water retention and nutrient preserving capability, good in soil permeability, and low in cost; and by using the flower nutrient soil, flowers are robust and good cultivation effect is achieved.

The invention provides a preparation method of a carbon-based compound slow-release fertilizer. Raw materials comprise, by weight, 5 to 10 parts of straw biological black carbon, 2 to 5 parts of pyroligneous liquor, 21 to 34 parts of enzyme-free bacteria chicken manure, 10 to 15 parts of bone meal, 18 parts of potassium sulfate, 22 to 24 parts of ammonium biphosphate, 11 to 12 parts of large-granule urea and 2 to 5 parts of water. The preparation method comprises putting the crushed enzyme-free bacteria chicken manure, straw biological black carbon, bone meal, large-granule urea, ammonium biphosphate and potassium sulfate into a ZLC-300 type mixer for mixing and stirring, putting them into a KP-300 type organic fertilizer granulator for granulating after uniformly mixing, adding 2 to 5 parts of the pyroligneous liquor and 2 to 5 parts of water while granulating, naturally cooling the resulting to be lower than 28 DEG C after the granulation, and packaging it, wherein the enzyme-free bacteria chicken manure is disinfected for 2 to 3 hours under 2 Pa in a disinfection pot, dried in a tumble dryer, crushed, and sieved by a 60-mesh sieve, with a water content being less than 11 %.

The invention discloses a health feed for meat pigeons, which comprises the following ingredients in percentage by weight: 25-35% of medium granular sand, 4-7% of yellow mud, 20-30% of shell powder, 5-8% of aged gypsum, 5-7% of aged lime, 3-5% of wood charcoal powder, 7-10% of bone meal, 4-5% of table salt, 0.8-1.2% of red iron oxide, 0.8-1.2% of traditional Chinese medicine, 4-8% of microelements, 0.8-1% of methionine and 1.2-2% of yeast powder. The feed, per 100 g, contains 50 g of sodium selenite and 50 g of complex vitamins. The feed has the benefits of providing sufficient nutrients to meat pigeons, enhancing the disease defense ability of meat pigeons and promoting the fast growth of meat pigeons.

The invention discloses a special fertilizer for oil tea. The fertilizer is prepared from the following components according to a certain weight ratio: an oil tea cake, peanut bran, sawdust of paulownia, bone meal, Chinese herbal medicine residue, humic acid, a nitrogen-phosphorus-potassium fertilizer, a biological bacterial preparation, a biological insecticide, zinc sulfate, magnesium sulfate, sodium molybdate and borax. According to the invention, long-term demands of oil tea for nutrients can be completely satisfied when the special fertilizers for the oil tea with different proportions of N, P and K are applied in different growth stages of the oil tea, and the special fertilizer provided by the invention has the advantages of a reasonable formula, balanced nutrition, safety, no pollution and capacity of promoting better growth of the oil tea, enhancing soil environment and improving quality and oil output of the oil tea.

The present invention discloses a microbial feed additive. It is made up by using carrier, protein feed, rice bran or wheat bran, cane sugar, bone powder or shell powder, white peony root, acanthopanax root, aspidium and fermenting agent through a certain preparation process. The above-mentioned described carrier can utilize waste material obtained by cultivating edible mushroom. Said additive can raise utilization rate of feed by 20%-30%, and can promote animal growth and development.

The invention provides a composite passivator applicable to rice field soil cadmium pollution. The composite passivator is mainly prepared from chitosan, sodium bentonite, bone meal, lime, charcoal, ZnO and nanometer FeO. The invention further provides a preparation method and application of the composite passivator. By means of the composite passivator, the available cadmium content in rice and the cadmium content in rice can be remarkably reduced, the soil pH value can be improved, vast rice soil polluted by heavy metal cadmium can be treated, the organic matter content is greatly improved, and the soil biology-chemical characteristic is improved.

The invention provides a mixed feed formula for a black goat. The formula comprises the following components: a green fodder including alfalfa, ryegrass, oat grass, mulberry leaves, locust tree leaves and sugarcane top; a coarse fodder including straw, cornstalk and bagasse; a concentrated feed including corn bran, wheat bran, peanut meal, bean cake and rice bran; an animal feed including fish meal, shrimp meal and mealworms powder; a mineral feed including bone meal, shell powder, urea, salt and aginomoto. The feed formula is low in cost, preferred by the black goat, quick for grow, healthy in physique and high in meat factor.

The invention discloses a foliar comprehensive nutrition biomedical liquid fertilizer, which is prepared by mixing and emulsifying an organic substance fermented and extracted by chicken manure, pigeon manure, straw powder, bone meal, fish meal, cane sugar, soybean meal and other cakes with urea, ammonium sulfate, potassium dihydrogen phosphate, potassium sulfate, medium trace element, humic acid, amino acid and fulvic acid. The foliar comprehensive nutrition biomedical liquid is a black brown sauced oily product, the total nutrient content of nitrogen, phosphor and potassium is between 30% and 60%, and the foliar comprehensive nutrition biomedical liquid contains a plurality of trace elements and biological activity components, and can be used in agriculture production by a plurality of fertilize modes of spraying on leaves, performing drip irrigation, pouring root and flushing. The foliar fertilizer comprehensive nutrition biomedical liquid fertilizer can satisfy the nutrition demand of the growth of various crops, and has the effects for increasing the adversity resistance capability of the crops, increasing the crop output, improving the agricultural product quality and reducing the fertilizer application.

The invention relates to the field of plant nutrient soil, and particularly relates to nutrient soil for a potted plant. The potting nutrient soil comprises the following active ingredients in parts by weight: 50-70 parts of needle-point leaf soil, 10-20 parts of chitosan, 5-10 parts of plant ash, 5-10 parts of pine bark, 1-3 parts of slaked lime, 10-20 parts of wormcast, 5-10 parts of river sand, 5-15 parts of bone meal, 2-5 parts of active microorganism, and 0.5-1.2 parts of liquorice. By adopting the technical scheme, the potting nutrient soil has the beneficial effects that the potting nutrient soil is rich in nutrient substances, good in water retention and nutrient preservation properties, good in soil permeability, and low in cost, potted plant can be directly placed in the potting nutrient soil for growth, the potting nutrient soil is high in nutrition value, rich in various mineral substances of calcium, phosphorus and the like, and can continuously provide nutrition. The potting nutrient soil is convenient to use, incapable of causing any environment pollution, good in solubility, popular with potted class, and has a broad market development space.

The invention discloses a biological organic compound fertilizer which comprises the following components in parts by weight: 50-75 parts of organic compound containing amino acids, 15-35 parts of humic acid compound fertilizer, 5-15 parts of bone meal, 0.05-1 part of EM animalcule bacteria and 0.05-1 part of accessory, wherein the organic material containing the amino acid is selected from dry traditional Chinese medicine residue or dry methane residue, the humic acid compound fertilizer comprises humic acidic ammonium, humic acid potassium and humic calcium phosphate, and the accessory comprises humic acid and one or a plurality of components selected from urea, ammonium bicarbonate, calcium superphosphate, ammonium phosphate and triple superphosphate. The effective viable count in the biological organic compound fertilizer is larger than or equal to 200 million / g, the organic matter weight percentage is larger than or equal to 25%, and the weight percentage of NPK total nutrient islarger than or equal to 10%. The invention also discloses a preparation method of the biological organic compound fertilizer. The biological organic compound fertilizer is a green environmentally friendly manure which can increase crop yield and quality.

The invention discloses giant salamander compound bait and a production method thereof. The giant salamander compound bait includes bait for young salamanders and adult salamanders and bait for parent salamanders. The salamander compound bait takes fresh crucian carps, carps, grass carps, loaches and bull frogs as main materials and takes aggregates, mineral powder, micro amino acid and the like as auxiliary materials. After the main materials are mixed and minced, the auxiliary materials are added, and starch is then mixed. After being stirred and rubbed, the materials are filled by plastic casings in a sausage stuffer and dotted. Finally, sausages are sterilized at a temperature of 95-100 DEG C. The giant salamander compound bait can replace fresh fish and shrimp bait to feed giant salamanders. When the giant salamander compound bait is used for feeding, the plastic casings are stripped off, and the giant salamander compound bait is cut into strip materials suitable for the giant salamanders to swallow and thrown into a salamander pond. The giant salamander compound bait has good palatability. Practices prove that when the bait is used for feeding the giant salamanders, the breeding cost of the giant salamanders can be reduced by 30-50%, the growth rate of commercial salamanders can be increased by 10-30%, the salamander reproduction rate can be increased by 50-100%, and thedisease incidence rate of the giant salamanders is obviously reduced.

A preserved meat (beef or pork) is prepared from edible meat, soy, ginger juice, yellow wine, flavouring wine or liquor, gourmet powder, edible salt, sugar, VC, spices powder, sodium nitrite, potassium sorbate, milk powder, bone powder and cane sugar through slicing meat, mixing it with others, spreading on screen, baking, roasting and packing.

The invention relates to a meat sheep feed capable of promoting digestion and strengthening immunity. The feed is composed of main materials and a traditional Chinese medicine addictive, wherein the main materials comprises following components in parts by weight: 40 to 45 parts of corn, 5 to 10 parts of sorghum, 10 to 15 parts of wheat bran, 4 to 5 parts of bean powder, 15 to 20 parts of bean cake, 2 to 4 parts of fish meal, 3 to 5 parts of bone meal, 0.2 to 0.3 part of salt, and 1.2 to 1.8 parts of stone flour, and the feed also comprises 4 to 6 parts of traditional Chinese medicine addictive. In order to achieve the goals of healthy and good growth of livestock and prevention of diseases in the growing period of meat sheep, the raw material component ratio of the meat sheep feed is rationalized, a plurality of traditional Chinese medicine components are taken as the addictive, and thus the occurrence and transmission of diseases, which are most infectious for meat sheep, are effectively inhibited. At the same time, the meat sheep feed has the functions of helping digestion, removing food retention, reinforcing qi, nourishing blood, expelling parasites, and inhibiting bacteria and preventing diseases for enhancing organism immunity, avoids the absorption of artificial hormone and antibiotic, and has the advantages of small toxicity and little side effects.

The invention relates to an enzyme method for preparing gelatin, which comprises the following steps of: pulverizing bone grains into bone meal, acidifying the bone meal by using phosphoric acid, and adding acid protease to hydrolyze; then, decoloring the solution by using hydrogen peroxide, and adjusting the pH value by using calcium hydroxide; and finally adding a flocculating agent. In the method provided by the invention, phosphoric acid is adopted for acidification, because a great amount of soluble calcium salts is formed, the enzymolysis reaction is mild. The defect that the enzymolysis end point of the finely ground collagen (ossein) enzymolysis method is difficult to control is overcome by controlling the end point of the enzymolysis reaction, so that the enzymolysis method for preparing gelatin is more practical.

The invention relates to a method for producing a biological organic fertilizer by using livestock and poultry died from diseases. According to the invention, the dead livestock and poultry are adopted as main raw materials, transported to a chemical preparation factory, and centralized and stacked at a raw material zone; the raw materials are cut and minced by using a mincing machine; a functional biological fermentation microorganism agent is added into the minced material for softening; the softened material is subjected to high-temperature processing in a high-temperature steaming device, such that a crude material is prepared; the crude material is stir-fried in a stir-frying stirring machine; and the stir-fried material is processed by an oil-bone separator, such that oil, oil slag, and meat-bone meal semi-finished product are produced. The biological organic fertilizer production process comprises pretreatment, tempering, inoculation, fermentation, drying and dehydration, and crushing and sieving. According to the invention, bodies of livestock and poultry died from diseases and animal processing waste are subjected to high-temperature steaming and high-temperature aerobic fermentation two-step harmless treatments, such that the waste is turned into safe and high-quality biological organic fertilizer. The processing process is simple, cost is low, no secondary pollution is caused, pollution caused by livestock and poultry died from diseases can be effectively eliminated, and safe and high-quality biological organic fertilizer can be obtained.

The invention discloses a heavy metal contaminated soil improving agent and a preparation method thereof, wherein the heavy metal contaminated soil improving agent includes the following components in parts by weight: 45-55 parts of cloud ear fungus residues, 25-35 parts of plant ash, 15-25 parts of silkworm excrement, 20-30 parts of quick lime, 20-30 parts of medical stone, 5-10 parts of chitosan, 5-8 parts of fumed silica, 200-250 parts of filter mud from a sugar factory, 5-7 parts of potassium fulvate, 3-5 parts of bone meal, and 80-100 parts of water. The prepared soil improving agent has good improvement effect, can reduce the content of heavy metals in the soil in a long time, moreover, makes full use of the waste, saves resources and reduces pollution to the environment.

The present invention relates to a chemical fertilizer and a manufacturing method thereof, specifically to a composite biological slow-release fertilizer product and its manufacturing method. Said composite biological slow-release fertilizer product in accordance with the present invention comprises granular fertilizer cores and coatings packing outside of the fertilizer cores, wherein said fertilizer cores are grains formed by a mixture of ternary compound fertilizer and the slow-release components which are mixture of urea and humic acids. Said coatings comprises at least animal oil and fat, bone meal and bacillus components. By replacing steam for heat spraying granulation with urea and humic acids melting complexing liquor, the manufacturing method in accordance with the present invention resolves the problem of moisture exceeding standard in 'three (organics, inorganics and bilogies) in one' fertilizer production and achieves the goal of nitrogen slow-release. At the same time, by adopting animal oil and fat and bone meal which can provide food such as lipids to animalcules and are easy to degrade as bacillus preparation carrier, said method overcomes the problems that the mixing of bacillus preparation and other fertilizer components leads to bacterial agent pollution and bacterium poisoning phenomenna. The present invention provides a 'three (organics, inorganics and bilogies) in one' composite biological slow-release fertilizer product which exhibits quick results, slow results and long results integrally, and a manufacturing method thereof.

The invention relates to protein feed rich in small peptides and multi-enzyme strains and a preparation method thereof. The protein feed is prepared by fermenting soybean meal, cottonseed meal, rapeseed meal, bone meal, wheat bran, common salt, light calcium carbonate, water and strains in a fermentation bin. The preparation method of the protein feed comprises the following steps: mixing the soybean meal, the cottonseed meal, the rapeseed meal, the bone meal, the wheat bran, the common salt and the light calcium carbonate in percentage by weight; adding 20-30 percent of water; sending the mixture to an air steamer; adding high-pressure steam to the air steamer so as to increase the air pressure to 1-2 MPa and the temperature to 140-200 DEG C; keeping the pressure for 4-6 minutes; momentarily releasing the mixture in the air steamer; sending the mixture to the fermentation bin; inoculating 3-5 percent of strains when the temperature of the mixture falls to 30-37 DEG C; fermenting for 72 hours at the temperature of 32-37 DEG C; discharging from the bin; and bagging to obtain a finished product. The product has strong disease-resistant function and low cost, increases the productionof animal by-products by more than 20 percent, is nontoxic, harmless and pollution-free and can inhibit food-borne diseases represented in cancers and subhealth phenomena from spreading.