84results about How to "High nutrient concentration" patented technology

The invention discloses a meat chick granulated feed containing an active bacterium fermentation ingredient and a traditional Chinese medicine ingredient. The meat chick granulated feed comprises 5-15 percent of the active bacterium fermentation ingredient, 0.3-1 percent of the traditional Chinese medicine ingredient and the balance of a full value chicken feed. The active bacterium fermentation ingredient is prepared by adopting the following method of: adding an aspergillus niger culture solution, a probiotics culture solution and a yeast culture solution to a fermentation medium respectively according to an inoculation quantity of 5-15 percent for fermentation comprising primary anaerobic fermentation and secondary aerobic fermentation; and after the fermentation, carrying out low-temperature drying at 55 DEG C and smashing on the culture solution to obtain the active bacterium fermentation ingredient. Proved through tests, the feed provided by the invention can be used for obviously improving the food consumption and the daily gain of meat chicken and reducing the feed conversion ratio and the diarrhea rate, does not contain antibiotics, has no toxic and side effects and environmental pollution and can be used for providing high-quality green livestock and poultry products.

The invention discloses a special healthcare feed for perinatal milk cows and a preparing method thereof. The healthcare feed is prepared from the following raw materials in parts by mass: 5-8 parts of traditional Chinese medicine composition, 0.1-1 part of vegetable oil, 20-40 parts of corn, 8-15 parts of wheat bran, 5-15 parts of dehulling soybean meal, 5-10 parts of corn distiller grains, 5-15parts of dephenolized cotton dregs, 4-10 parts of cotton dregs, 3-6 parts of brown sugar, 2-5 parts of wheat shorts, 1-3 of glucose, 3-4 of calcium hydrophosphate, 1.5-2 parts of stone dust, 2-3 parts of rumen bypass fat powder, 1.0-1.5 parts of sodium bicarbonate, 0.5-1.0 part of magnesium oxide, 0.3-0.8 part of sodium chloride, 1-2 parts of molasses, 1-1.5 parts of perinatal milk cow premix compound and 0.5-1 part of sodium sulfate. Proved by milk cow feeding test results, the milk cows have lower disease incidence when the special healthcare feed for the perinatal milk cows prepared by thepreparing method disclosed by the invention is used for feeding in comparison with using a perinatal refined supplementary food with a good market response effect for feeding, and the difference is highly significant. The special healthcare feed for the perinatal milk cows has better palatability for the milk cows and can effectively control the incidence of postnatal syndrome for the milk cows so as to maintain the postnatal health of the milk cows.

The invention provides a high-phosphorus high-potassium liquid compound fertilizer. The liquid compound fertilizer comprises the following components: 20-120 parts of a phosphorus fertilizer, 15-60 parts of a potassium fertilizer, 0.1-12 parts of a microelement fertilizer, 0.5-5 parts of a co-solvent and 10-50 parts of water, wherein the microelement fertilizer is one or more of a boron fertilizer, a manganese fertilizer, a zinc fertilizer and an iron fertilizer and is a water-soluble fertilizer. The invention also provides a preparation method and an application method of the high-phosphorus high-potassium liquid compound fertilizer. The contents of phosphorus and potassium in the high-phosphorus high-potassium liquid compound fertilizer are higher, the phosphate radicals and potassium ions stably coexist in a liquid phase so that the generation of insoluble precipitates such as potassium phosphate is avoided, the high-phosphorus high-potassium liquid compound fertilizer has the advantages of high content of the total nutrient, stable physical and chemical shapes, no phenomena such as crystallization, precipitation and layering under high temperature, low temperature and room temperature conditions, good fluidity, high-concentration nutrients, time conservation, labor conservation, fertilizer conservation, high fertilizer efficiency and the like, the high-phosphorus high-potassium liquid compound fertilizer is suitable for larger-area automatic fertilizer-applying operation and the fertilizer-applying efficiency can be significantly increased.

The invention relates to a method for preparing high-moisture fermented granular feed for poultry. The feed is composed of 60-70wt% of corn and 30-40wt% of fermented protein feed, firstly the fermented protein feed is prepared by utilizing composite bacterium liquid to ferment soybean meal, cottonseed meal and vinasse, and then the fermented protein feed is mixed with the corn to finally obtain the high-moisture fermented granular feed. The granular feed prepared by the method provided by the invention is convenient to store, package and transport; since the density of the granular feed is high, the volume is reduced, and the nutrient concentration is high, the feed intake of animals is correspondingly increased; and the composite flora is used for fermenting soybean meal and cottonseed meal to increase the content of crude protein and promote generation of the beneficial flora, thereby improving the beneficial flora in an intestinal canal, reducing the incidence of disease, improving the physicochemical properties of certain nutrient components in the feed, and enhancing the digestion absorption rate and the utilization rate of nutrient substances to a certain degree.

The invention relates to a soft grain feed for a porket. In the invention, according to the technology explanation book editable fat is adopted as additive raw material and added with mineral matters, premix compound of vitamins, dairy products and expansion grains and solid raw materials are crushed into fine powders; then liquid raw materials such as hot water, lard, bean oil, lactic acid and emulsifier are mixed and blended evenly in sequence; the mixed liquid raw materials are added into the solid raw materials by high pressure injection and mixed evenly with the solid raw material; finally the mixed materials are made into grains in the steamless low temperature. The lard and the emulsifier are added as additives and promote softness and crisp and have good taste of the feeds and adapt the feeds to digestion physiological characteristics of the porket; the adding of dairy products not only guarantees high nutritional concentration but also greatly improves appetite and digestion ability of the porket. The feeds of the invention can improve taste of feeds, appetite of the porket, help quick growth of the porket, prevent atrophy of intestinal villi of the porket when ablactation, reduce stress caused by ablactation, improve non-specificity immunity and guarantee health of the porket.

The related liquid composite fertilizer for vegetable drip irrigation comprises constituents with weight share as: 10-30 inorganic nitrogen fertilizer, 7-20 inorganic phosphatic fertilizer, 8-40 inorganic potassium fertilizer, and 25-50 water. The opposite preparation method comprises: 1) adding half of said water into the production tank and the phosphatic fertilizer; 2) adding aforementioned fertilizers by turns; 3) adding another half water to stir till full dissolution, and cooling to room temperature to obtain the product. This invention has strong special purpose, high nutrient concentration, and well water solubility.

The invention provides a water-soluble composite fertilizer with high phosphorus and calcium. The composite material comprises, by weight, 10-60 parts of a potash fertilizer, 10-60 parts of a phosphate fertilizer, 10-30 parts of a calcium fertilizer, 2-20 parts of urea and 0.1-5 parts of an anti-caking agent. The invention also provides a preparation method of the water-soluble composite fertilizer with high phosphorus and calcium. The composite fertilizer has the characteristics of high content of total nutrients, stable physical and chemical properties, good powder fluidity, no caking, precipitation or gas bloating at high temperature, low temperature or normal temperature, and good solubility. Phosphoric acid or phosphate is added to a solution obtained by dissolving the composite fertilizer in water to provide an acidic condition in order to make phosphate radicals and calcium ions simultaneously stably coexist in a liquid phase and avoid the generation of calcium phosphate and other insoluble precipitates. The water-soluble composite fertilizer effectively improves the fertilizer utilization rate, has highly concentrated nutrients, is suitable for large-area automatic fertilization, can obviously improve the fertilizing efficiency, and also has the advantages of time saving, labor saving, fertilizer saving and fast fertilizer efficiency.

The invention discloses a high-efficiency biogas slurry organic suspension liquid fertilizer and a preparation method thereof. The high-efficiency biogas slurry organic suspension liquid fertilizer comprises, by weight, 21.0-42.0 parts of a biogas slurry, 6.0-9.0 parts of organic matters, 4.0-25.0 parts of a nitrogen fertilizer, 9.0-20.0 parts of a potassium fertilizer, 0.5-1.0 part of a boron fertilizer, 0.5-0.8 part of EDTA-Zn, 0.4-0.6 part of EDTA-Mn, 0.1-2.0 parts of a wetting dispersant, 0.1-2.0 parts of a thickener, 0.1-2.0 parts of an antifreeze agent and 0.1-1.0 part of a root promoter. The high-efficiency biogas slurry organic suspension liquid fertilizer is an organic-inorganic suspension liquid fertilizer, and the high-efficiency biogas slurry fertilizer is prepared by fermenting a substrate biogas slurry, so the problem of the pollution of discharge of the biogas slurry to the environment is effectively solved, the biogas slurry is transformed into valuables from wastes andis fully used, and the production cost of the liquid fertilizer is reduced. The fermented biogas slurry is used to prepare the liquid fertilizer, so the liquid fertilizer can be more rapidly dissolved in water than general products, and has the advantages of high total nutrient content, stable physical and chemical properties, and no crystallization, precipitation and stratification phenomena under high temperature, low temperature and normal temperature conditions.

The invention discloses a biochar-based rice specialty fertilizer added with gama-polyglutamic acid, which comprises the following raw materials in parts by weight: 380 to 420 parts of urea, 260 to 300 parts of monoammonium phosphate, 240 to 280 parts of potassium chloride, 0.01 to 0.5 part of gama-polyglutamic acid, 4 to 10 parts of biochar, 4 to 10 parts of humic acid, 0.05 to 0.5 part of potassium silicate, 0.05 to 0.5 part of zinc sulfate, 0.1 to 0.8 part of fly ash and 25 to 50 parts of filler. The biochar-based rice specialty fertilizer added with gama-polyglutamic acid provided by the invention has the advantages of scientific formula and balanced nutrients, and can meet the requirements of different stages in the whole growth period of rice for the nutrients.

The invention discloses a high-phosphorus high-zinc liquid compound fertilizer and a preparation method thereof. The compound fertilizer comprises the following raw materials in parts by weight: 0.8-1.2 parts of disodium octoborate tetrahydrate, 0.7-1.1 parts of EDTA-Mn, 8-12 parts of zinc fertilizer, 0.6-1 part of magnesium fertilizer, 40-46 parts of phosphate, 5-7 parts of urea, 0.8-1.2 parts of ammonium nitrate, 1.5-2.5 parts of urea phosphate, 1.5-2.5 parts of ammonium polyphosphate, 4-6 parts of potassium hydroxide, 1.5-2.5 parts of potassium chloride, 1.5-2.5 parts of a cosolvent and 20-30 parts of water. The compound fertilizer is a three-element liquid fertilizer containing trace elements, is high in overall nutrient content, stable in physical and chemical shape, and free from the phenomena of crystallization, precipitation and layering under the high-temperature, low-temperature and ordinary temperature conditions, can obviously improve the fertilization efficiency, and meanwhile avoids the zinc deficiency symptoms of plants.

The invention provides a synergistic additive for a fertilizer and application of the synergistic additive, and relates to the synergistic technology for fertilizers, in particular to a synergistic additive for a fertilizer and application of the synergistic additive. The synergistic additive for the fertilizer comprises, by weight, from 1 to 20% of polyglutamic acid, from 1 to 10% of sodium citrate, from 10 to 30% of diatomaceous earth and from 40 to 60% of zeolite powder. The synergistic additive is a polymerized and purified substance of amino acid, can be biologically degraded into amino acid monomers to be absorbed by plants, and is free of residues and pollution, and the fertilizer produced by the synergistic additive is applicable to various crops and soils in various regions.

The invention relates to a wrapped low-moisture rapid-orientation fermented straw nutrition forage grass which is a livestock forage grass that takes straws of crops as raw materials and is prepared from the following process step of: machining corn straws as main materials with the moisture content of 15-50 percent into 3-8 cm filaments by a straw rubbing machine. The wrapped low-moisture rapid-orientation fermented straw nutrition forage grass is characterized in that a straw biological-storage preparation agent is prepared from the following steps of: respectively obtaining three dried thalluses of small-sized filamentous fungi, bacillus subtilis and lactobacillus acidophilus by adopting a solid fermentation culture method and a liquid fermentation culture method, and evenly mixing the three dried thalluses according to the weight ratio of 2:1:1, wherein the amount of straws and the thalluses of the straw biological storage preparation agent is 1000:1 to 1.5. The invention has the beneficial effects that: 1. the nutrition concentration of the forage grass is high; 2. the moisture content is low, and the economic value of the forage grass is improved; 3. the thallus design is more reasonable, the treated and prepared straw is converted into the straw fermentation forage grass which has good palatability, high intake rate and easy digestion; and 4. the invention is suitable for professional and industrial production.

The invention provides a high phosphorus high calcium liquid compound fertilizer, including the following raw materials by weight: 0.2-1.2 parts of disodium octoborate tetrahydrate, 0.05-2 parts of EDTA (ethylene diamine tetraacetic acid)-Mn, 0.05-1.8 parts of EDTA-Zn, 10-50 parts of calcium fertilizer, 0.5-6 parts of magnesium fertilizer, 20-75 parts of phosphoric acid, 1-9 parts of urea phosphate, 2-13 parts of ammonium polyphosphate, 3-15 parts of potassium fertilizer, 0.5-4 parts of a cosolvent, 0.5-4.5 parts of a stabilizer and 8-40 parts of water. The invention also provides a preparation method and a use the method of the high phosphorus high calcium liquid compound fertilizer. The high phosphorus high calcium liquid compound fertilizer enables phosphate radicals and calcium ions to stably coexist in the liquid phase to avoid production of calcium phosphate and other insoluble precipitates, effectively improves the utilization rate of phosphorus and calcium liquid fertilizers, is good in fluidity, high-enriched in nutrients, and suitable for automatic fertilizing operation of large area, can significantly improve the fertilizing efficiency, and has the advantages of being time saving, labor saving, fertilizer saving, fast in fertilizer efficiency and the like.

The present invention relates to a chocolate adding lactating sow compound feed and a preparation method thereof, belonging to the technical field of culturing feed. The technical problem to be solved is to provide a lactating sow compound feed which is high in nutrient concentrations, enables the sow at a lactating period to have high lactating ability and more milk, and the weaning piglet to have heavy weight and litter weight, and provide a preparation method thereof. The technical solutions are as follows: the chocolate-added lactating sow compound feed includes the following raw materials in parts by weight, 400-500 parts of corn, 100-130 parts of soybean meal, 30-60 parts of peanut meal, 200-220 parts of wheat middling, 30-70 parts of extruded soybeans, 5-15 parts of fish meal, 5-15 parts of soybean oil, 5-15 parts of calcium hydrogen phosphate, 10-20 parts of mountain flour, 20-35 parts of white sugar, 20-30 parts of glucose, 15-25 parts of feed yeast, 30-50 parts of chocolate powder, and 10-30 parts of premix.

The invention provides a humic acid activation method and device. The method comprises steps as follows: a humic acid raw material is mixed with an activating agent, and after water is added and stirring is performed, a mixture is subjected to steam curing in high-temperature and high-pressure saturated steam; correspondingly, the humic acid activation device comprises two reaction kettles which are communicated through a steam distribution header, the steam distribution header is communicated with a steam supply device, steam curing cars are arranged in the reaction kettles, after the humic acid raw material is mixed with the activating agent, water is added and stirring is performed, the mixture is placed on the steam curing cars, and the steam curing cars are put in the corresponding reaction kettles for steam curing reaction. The humic acid is activated under stream pressure, so that the reaction time is shortened, the technology is simple, the energy consumption is low, and the activation effect is good; the two reaction kettles are arranged and can be used for performing the steam curing reaction alternately, continuous production of active humic acid is realized, the production cycle is shortened, and the efficiency is improved.

The invention discloses a method for producing high-methionine and high-lysine feed by using composite bacteria fermented corn protein powder, which comprises the following steps: preparing mixed bacterial solution of Corynebacterium, saccharomycetes and bacillus subtilis; and performing amplified fertilization, adding into a solid fermentation tank for further fermentation, drying, and crushing to obtain finished products. In the method, the processing cost is low, the operation is convenient, and the use of the corn protein powder fermented by mixed various bacteria and various trace elements as the raw materials improve the coarse protein and methionine and lysine content in the feed, improves the absorption effect of various organisms, and improves breeding benefits. Experiments prove the feed made by the method contains more than or equal to 40 percent of coarse protein, more than or equal to 8 percent of lysine, more than or equal to 9 percent of methionine, and that the feed satisfies the demands of animals for lysine, methionine and protein.

The invention discloses large / medium-granularity compound pig feeds which is prepared from 700 to 790 kilograms of corn, 40 to 60 kilograms of brewer grain, 140 to 180 kilograms of soybean meal, 3.5 to 5.5 kilograms of soybean oil, 0.2 to 0.3 kilogram of agrabond, 1.7 to 1.9 kilograms of calcium carbonate powder, 8.2 to 10 kilograms of dicalcium phosphate, 3 kilograms of salt, 2 to 2.3 kilograms of L-lysine hydrochloride, 0.1 to 0.2 kilogram of DL-methionine, 0.4 to 0.6 kilogram of L-tryptophan, 0.5 kilogram of choline chloride, 0.3 to 0.5 kilogram of 513D pig vitamin premix, 1.5 kilograms of baking soda, 0.5 kilogram of a sweetening agent, 0.5 kilogram of multiplied enzyme T10, 0.3 kilogram of ethoxyquin and 9 to 11 kilograms of 5012S premix by a certain method. The large / medium-granularity compound pig feeds are precisely prepared by utilizing high proteins and high amino acid of the brewer grains produced by beer brewing and dietary fibers, and are high in quality and pig palatability and comprehensive and balanced in nutrition, and pigs have strong appetite, and have ruddy and bright furs and enhanced disease resistance after being fed with the large / medium-granularity compound pig feeds.

The invention discloses a functional nutrition additive for increasing birth weight of suckling pigs and preventing sows from constipation. The functional nutrition additive is prepared from, by weight, 20-30 parts of multi-vitamins, 30-40 parts of a foetal development promoter, 30-40 parts of an intestinal health regulator and 5-10 parts of finely-selected dietary fibers. By the arrangement, fetal development can be promoted, birth weight of the suckling pigs is increased, intestinal health is regulated, and constipation of the pregnant sows is prevented.

A concentrated feed for pig is prepared from soybean dregs, fish powder, puffed soybean, plasma protein powder, etc. Its advantages are high effect and low cost.

The invention discloses a method for preparing a fermented high-lysine high-protein feed. The method comprises the following steps of: preparing a lysine fermented material and a yeast fermented material; and crushing the lysine fermented material, the yeast fermented material, bean pulp and corn protein powder, and mixing to obtain a finished product. The processing cost is low, and the method is convenient to operate; the content of lysine and protein in the feed is increased, the experiment proves that the feed prepared by the method has the crude protein content of more than or equal to 40 percent and the lysine content of more than or equal to 8 percent, and the demand of animals on the lysine and the protein is met; moreover, the absorption effect of the animals is high, and the breeding benefit is improved.

The invention discloses a complete feed for a lactating sow. The complete feed is prepared from the following components in parts by weight: 600-650 parts of corn, 8-10 parts of soya-bean oil, 80-120 parts of wheat bran, 150-180 parts of soybean meal, 30-40 parts of fish meal, 12-14 parts of mountain flour, 8-12 parts of calcium hydrophosphate, 5-6 parts of salt, 0.8-1 part of choline, 2-3 parts of diaminocaproic acid, 0.5-0.6 part of vitamin remix, 18-22 parts of saccharose, 1.8-2.2 parts of dynamate, 1.8-2.2 parts of Chinese pulsatilla powder, 0.4-0.6 part of plant enzymes and 1.8-2.2 parts of organic trace premix. The complete feed has the advantages of high nutrient concentration and good palatability, and the immunity and the disease resistance energy of the sow body are improved. Thus, the immunity and the weaning weight of the piglet in a delivery room are improved, and the diarrhea rate of the piglet is reduced.

The invention discloses a fertility retention fertilizer for repairing and conditioning soil and rooting and a preparation method thereof, and belongs to the technical field of crop fertilizers. The liquid compound fertilizer (per liter) is prepared from the following raw materials: nitrogen fertilizer (calculated as N) 0-200 g, phosphate fertilizer (calculated as P2O5) 10-200 g, potassium fertilizer (calculated as K2O) 10-400 g, medium and trace elements containing vitamin B 1-100 g, xanthan gum 1.5-3.5 g, sodium pyrophosphate 6.2-8.1 g, ore sourced humic acid 5-100 g, biochemical fulvic acid 5-200 g, glycerol 5-50 g, and water in balance. The liquid fertilizer of the invention has distinct effects of repairing and conditioning soil and increasing crop yield.

The invention discloses a special organic-inorganic fertilizer for beets. The special organic-inorganic fertilizer comprises the following effective components in percentage by weight: 10-18 percent of pure N, 15-20 percent of PxO5, 6-10 percent of KO2, 8-12 percent of organic matters and 5-7 percent of amino acid. The special fertilizer has the advantages that the component proportioning is reasonable, and the production method is simple; the concentration of effective nutrients is high, so that the balanced nutrition can be provided for the beets in a whole growth period, the microbiota of the root systems of the beets is improved, and the yield and the sugar content of the beet roots are obviously improved; and after the special fertilizer is used for a long time, the organic matters of soil can increase, and the physical and chemical properties of the soil are improved.

The invention discloses a fertilizer for the flowering and fruiting period of wolfberry, relates to the technical field of fertilizers for soil testing and formulated fertilization and particularly relates to a special water-soluble fertilizer for the flowering and fruiting period of wolfberry. The water-soluble fertilizer contains more than or equal to 50wt% of effective elements including N, P2O5 and K2O, more than or equal to 0.4wt% of microelements and 0.05-0.10wt% of a plant growth regulator, wherein the effective elements include 18.0-23.0wt% of N, 10.0-15.0wt% of P2O5 and 20.0-25.0wt% of K2O; and the microelements include 0.1-0.5wt% of B, 0.1-0.5wt% of Fe, 0.1-0.5wt% of Zn and 0.1-0.5wt% of Mo. The fertilizer disclosed by the invention is prepared by mixing nutrients including macroelements, medium elements, microelements and the like and the plant growth regulator at a proper ratio according to the soil nutrient supply characteristic of Qaidam Basin and the nutrient demand characteristic of the flowering and fruiting period of wolfberry so as to have the characteristics of high concentration, good water solubility, nutrient completeness and high utilization ratio; due to the application of the fertilizer, the requirements for a great deal of N and K in the flowering and fruiting period of wolfberry are met, and therefore, the aims of increasing the yield of wolfberry and improving the quality are achieved. The fertilizer can be applied to wolfberry fertilization along with water under a drip irrigation condition.

The invention relates to a controlled availability special fertilizer for cotton, in particular to a controlled availability special BB fertilizer for the cotton which aims at the characteristics of Xinjiang cotton culture and preparation thereof. On the basis of nitrogen, phosphorous and potash fertilizers, a nitrogen inhibitor, a phosphorous activating agent, a micronutrient fertilizer and a high molecular polymer are added into the fertilizer; and then the fertilizer is granulated to obtain the controlled availability special BB fertilizer for the cotton. The controlled availability special BB fertilizer can reduce the speed of nitrogen fertilizer release and the form transformation speed of the nitrogen and also can activate the activity of the phosphorus, so that longevity is longer and utilization rate is higher.

The invention discloses soluble fertilizer for corn drip irrigation. The soluble fertilizer comprises, by mass percentage, 30-45% of ammonium bicarbonate, 15-30% of potassium phosphate monobasic, 10-35% of potassium chloride, 1-5% of biological bacterium, 2-10% of sodium humate, 1-2% of trace element and 2-3% of amino acid. The soluble fertilizer has the advantages that the defects that existing drip irrigation fertilizer is single in component and poor in solubility and causes drip irrigation equipment blocking are overcome, and the soluble fertilizer is comprehensive in nutrition and good in solubility, does not block drip irrigation equipment and can reduce production cost.

The invention discloses a feed for wild boar cubs and relates to a feed and a preparation method thereof, belonging to the field of feed processing. The feed for wild boar cubs is prepared from the following raw materials in percentage by weight: 16%-30% of wheat bran, 10%-16% of bean flour, 6%-10% of protein powder, 4%-8% of bone meal, 6%-13% of lactose, 4%-16% of emulsified fat, 5%-8% of brown sugar, 1%-4% of wood vinegar, 1%-2% of dicalcium phosphate and 14%-20% of water. The feed has the beneficial effects of promoting reproduction of lactic acid bacteria, alleviating abnormal fermentation in viscera and especially in intestinal tract, improving functions of intestines and stomach, promoting digestive absorption of animals and appetite of livestock so as to promote growth of animals and livestock, being high in nutrition concentration, crisp in taste and good in palatability of the wild boar cubs, and being capable of effectively avoiding weaning stress of the wild boar cubs.

The invention discloses a pig premix feed and a pig compound feed. The pig premix feed comprises lignocelluloses with the mass percent content of 10 to 50 percent. According to the pig premix feed, the lignocelluloses replace bran to serve as a fiber source of the feed, according to growth and development characteristics of pigs in all stages, a proper amount of lignocelluloses is added in the premix feed, bran is not required to be additionally added during preparation of perfect compound feed, the operation is simple, the nutrient concentration of the feed is higher than that of the traditional recipe, and healthful and efficient breeding can be realized.

The invention discloses a preparation method of balsam pear polypeptide. The preparation method comprises the following steps of: shelling a balsam pear seed, and screening an unrotten seed kernel; then placing the seed kernel into a crusher for crushing, then screening through a screen of 50-30 meshes, collecting screened materials, and then sterilizing the screen materials by adopting pasteurization; squeezing the screened materials for further deoiling; then carrying out second-step deoiling by utilizing a CO2 extraction method to obtain balsam pear seed powder; placing the balsam pear seed powder into a tank, adding tenfold pure water for mixing and stirring, then adding alkali water, and soaking for 24 hours; then deslagging and dialyzing to extract a supernate; then adding a certain amount of acid to the supernate, and standing for 24 hours; compressing, filtering, collecting and depositing to obtain the balsam pear polypeptide; then freeze-drying the balsam pear polypeptide; then packaging the dried balsam pear polypeptide by using a double-layer food bag, and preserving at low temperature. The balsam pear polypeptide extracted by adopting the process disclosed by the invention is high in nutrient component concentration and more obvious in effect and meets the market demand.