63results about How to "Address nutritional deficiencies" patented technology

The invention provides a toxin adsorption antidote capable of eliminating harm done by mycotoxins to livestock. The toxin adsorption antidote is prepared from 45-55% of modified attapulgite, 20-28% of modified montmorillonite, 5-10% of lignocelluloses, 5-15% of yeast cell walls, 1-2% of multi-vitamin micro-mineralization nutritious supplementary and 3-5% of functional extract superpacket. The toxin adsorption antidote can adsorb common mycotoxins, including aflatoxin, zearalenone, vomitoxin, ochratoxin and fumonisins, in feed so as to reduce the harm done by mycotoxins to animals; meanwhile, adsorption detoxication function is realized through nutrition enhancement and immunity improvement of livestock, and livestock breeding effect is improved.

The invention discloses a production method of nutritious target-functional eggs. The production method is characterized by quantitatively feeding the feed prepared from maize, bean pulp, alfalfa meal and maize protein meal to chicken. In the invention, a production method of nutritious eggs with fortified trace elements is also adopted. In the production method, the functional nutrients including probiotic, oligosaccharide, Chinese herbal medicines and natural mineral substances are adopted, the harmful bacteria are antagonized through advantageous culture of nutritious probiotics in animal intestinal tracts, the survival conditions and the like of the harmful bacteria are restricted and the functional nutrients replace the antibiotic additives which had to be added to the feed before, thus realizing antibiotics-free production of feed.

The diet nutrient is prepared with diet fiber, lecithin, casein phosphopeptide, L-lysine, taurine, calcium citrate, trace elemenets, composite vitamins, folic acid, pantothenic acid, bilineurine, inositol, yeast powder and chicken powder and through mixing, drying, high temperature disinfection, inspection, packing and other steps. It has balanced diet and flavoring effect, and is one kind of safe and efficient nutritive health food.

The invention relates to a preparation method and device of a molecular sieving membrane and belongs to the technical field of preparation of molecular sieving membranes. The preparation method comprises the steps that S1, a seed crystal supporting body is prepared, molecular sieve seed crystals are evenly dispersed in deionized water to obtain molecular sieve seed crystal suspension liquid, the outer surface of the porous supporting body is coated with the molecular sieve seed crystals, and the supporting body is dried to obtain the seed crystal supporting body for standby application; S2, a molecular sieve membrane is prepared: the seed crystal supporting body obtained in the step is put in a molecular sieve membrane preparing solution environment for hydro-thermal synthesis, then a fresh membrane preparing solution is added to the membrane preparing solution periodically, parts of completely reacted membrane preparing solution are discharged, and the seed crystal supporting body is taken out after reaction is completed; water washing and drying are performed with deionized water to obtain the molecular sieving membrane. The problems of concentration gradient and nutrition exhausting of the membrane preparing solution caused by too long reaction time during molecular sieving membrane preparation are solved, and the molecular sieving membrane synthesized by the preparation method is high in repeatability and excellent in performance.

The invention relates to a long-effective sustained-released mixed fertilizer and a preparation method thereof. The mixed fertilizer comprises the following raw materials in part by weight: 4 to 8 parts of cyanoguanidine, 1 to 3 parts of hydroquinone, 15 to 20 parts of urea formaldehyde fertilizer, 10 to 25 parts of ammonium polyphosphate, 20 to 25 parts of potassium polyphosphate, 20 to 25 parts of perlite powder and 15 to 20 parts of fulvic acid. The fertilizer is particularly suitable for crops with long growth cycles and can meet the requirement of the whole growing period of the crops by one-time application, which relieves the burden of farmers. Even if the fertilizer is excessively applied, the crops are difficult to wither, grow excessively and lodge; hardened soil can be improved and adjusted so as to accelerate the formation of a soil crumb structure, improve the physical property of soil and accelerate the growth of the crops; particularly, the fertilizer can properly control the pore opening degrees of leaf surfaces of the crops and reduce the transpiration of water, which is important for drought resistance; moreover, the long-effective sustained-released mixed fertilizer can improve the stress resistance of the crops, increase production volume and improve the quality of the crops.

The invention discloses an agent for controlling excessive vegetative growth and strengthening seedlings of peanuts and a preparation method and an application of the agent. By taking silicate, mepiquat chloride and uniconazole as effective components, 1-10% of silicate, 10-50% of mepiquat chloride, 0.1-5% of uniconazole and 1-50% of an assistant and soluble filler are evenly mixed and ground to obtain the agent for controlling excessive vegetative growth and strengthening seedlings of peanuts; and by utilizing the stress resistance of the silicate and the characteristic of coordinated nutrient utilization, the absorption and the utilization of elements such as N, P and K in soil caused by peanut root systems are promoted, the capability of photosynthesis of the peanut is enhanced, the problems of excessive vegetative growth and lodging of aboveground parts are effectively controlled by matching with the mepiquat chloride and the uniconazole for adjusting the development process of the peanut, the seed setting rate and the grain plumpness rate of the peanut are increased, and the problems of soil nutrient deficiencies and excessive vegetative growth and lodging of the peanut in the south region of China are effectively solved. The prepared agent for controlling excessive vegetative growth and strengthening seedlings of peanuts can effectively improve the stress resistance of the peanut, has a good yield-increasing effect, and is simple in production process, simple and convenient in using method, and easy to popularize and apply.

The invention provides a desert improver, which can realize water and fertilizer retention, provide multiple mineral nutrients like phosphorus, potassium, calcium, magnesium and silicon required by plant growth, and solve the soil fertility problem during planting development or at the early stage of planting restoration. The desert improver is suitable for vegetation damage or degradation causedby over grazing, excessive deforestation, grassland reclamation and continuous farming or other human factors under certain rainfall or irrigation conditions, or restoration and desertification process reversal of desert or immobile sand that is located on the edge of the desert or around oasis and serves as the foundation of a planting field parcel, and can realize a planting effect fitting waterand fertilizer resource conditions. The desert improver is prepared from the following raw materials by mass: 18-30 parts of phosphate ore; 3-10 parts of potassium mica; 2-4 parts of bentonite or expanded vermiculite; 2-5 parts of illite; 35-60 parts of coal gangue; 2-5 parts of an organic fertilizer; and 1-2 parts of wood flour.

The invention belongs to the field of plant planting, and relates to a biological bacterial fertilizer, in particular to a special biological bacterial fertilizer for macadimia nuts and a preparationmethod thereof. The bacterial fertilizer is prepared from the following raw materials in parts by weight: 2 to 5 parts of microbial agents, 30 to 45 parts of organic fertilizers containing macadimia nut green peel, 15 to 22 parts of nitrogen fertilizers, 5 to 8 parts of phosphatic fertilizers, 10 to 20 parts of potash fertilizers, 3 to 7 parts of medium and trace element fertilizers, 4 to 8 partsof humic acid, 1 to 3 parts of plant growth promoting biomass and 3 to 7 parts of bentonite. The raw materials are mixed, sieved and dried under the conditions of the temperature being 25 to 30 DEG Cand the pH being 6.0 to 6.8 to prepare a product. The biological bacterial fertilizer can better promote the growth of macadimia nut trees; the inhibition effects are achieved on weeds between the trees. The biological bacterial fertilizer can be applied to the production practice of the macadimia nut culture.

The invention discloses a crossing method for female pelteobagrus fulvidraco and male pelteobagrus vachelli and relates to the technical field of cross breeding of freshwater fishes. According to the crossing method, the disease rate of fish fries can be lowered, and the quality of the fish fries can be improved while the cost is reduced. The crossing method for the female pelteobagrus fulvidraco and the male pelteobagrus vachelli comprises the steps: (1) carrying out parent culture: carrying out temporary-culture acclimatization on the female pelteobagrus fulvidraco and the male pelteobagrus vachelli until the female pelteobagrus fulvidraco and the male pelteobagrus vachelli reach parent fish standards, and separately feeding parent feed to the female pelteobagrus fulvidraco and the male pelteobagrus vachelli during acclimatization, wherein the parent feed comprises basal feed and a compounded feed additive, and the compounded feed additive contains chitin, taraxacum mongolicum and curcumin; (2) carrying out artificial inducement for spawning: adopting two-injection injecting, wherein the time interval for two injections is 10h; (3) carrying out natural fertilization; and (4) carrying out artificial hatching: taking out fertilized eggs, and hatching the fertilized eggs in a cement pit, wherein water in the cement pit is underground water. The crossing method is used for achieving the crossing of the female pelteobagrus fulvidraco and the male pelteobagrus vachelli.

The invention relates to whole Taraxacum goloskokovii green tea. The whole Taraxacum goloskokovii green tea is prepared from whole Taraxacum goloskokovii with the length ranging from 5 cm to 7 cm through blanching, cooling, dewatering, deblocking, rolling, high-temperature dewatering, shaping and drying; roots of the Taraxacum goloskokovii have diameters smaller than or equal to 0.5 cm and the length smaller than or equal to 0.5 cm and are cut into cross shapes; leaves of the Taraxacum goloskokovii are complete, and 9-11 leaves exist. The whole Taraxacum goloskokovii is used as a raw material, the problem that the roots rich in phytosterol and flavone are wasted due to the fact that the roots of the Taraxacum goloskokovii cannot be used as a part of tea making raw materials at present is solved, and the whole Taraxacum goloskokovii green tea has the flavone content up to 53 mg / g and the polyphenol content up to 42 mg / g.

The present disclosure provides a nutritional composition, such as a preterm infant formula that includes a protein source comprising whey protein and hydrolyzed casein protein. The whey protein to hydrolyzed casein ratio may be from about 90:10 to about 50:50 by weight. The hydrolyzed casein may have a degree of hydrolysis of from about 20% to about 80%. Additionally, provided are methods for improved gastric emptying and improved digestibility in a target subject, such as a preterm infant. When administered, the nutritional compositions may promote intestinal transit and absorptive capacity. Consequently, better growth and development, especially neurological development of the target subject may be achieved.

The invention relates to the food technology field, in particular to a method for producing momen tofu. The production method comprises the following steps of soaking soy beans, washing the soy beans, grinding the soy beans into thick liquid, cooking the thick liquid, separating soy bean milk from soy bean residues, cooling the soy bean milk, putting some brine in soy bean milk to form uncongealed tofu, squeezing the uncongealed tofu to form momen tofu and then cutting and packing the momen tofu, sterilizing and cooling the momen tofu, and so on, wherein the brine is emulsified salt brine emulsion with concentration of 11DEG-12DEG, and the first cooling step is to quickly cool the separated soy bean milk to 3 DEG- 7DEG. The momen tofu produced through the invention solves the problems in prior momen tofu, such as the lack of nutrition and the bitterness caused by salt brine. The product is rich in nourishment, and tastes soft, thereby being suitable for the old and the young and being a top grade product on a dinner table. Furthermore, the momen tofu has a longer service life than that of common bean products, and can be preserved for seven days in the condition of 0-5DEG.

The invention discloses a collagen peptide composition for relieving dry and fatigue of eyes and a preparation method of the collagen peptide composition, and relates to the technical field of collagen peptide compositions. The collagen peptide composition is prepared from the following raw material components in parts by weight: 4000 to 5000 parts of collagen peptide, 2 to 10 parts of lutein ester, 1 to 2 parts of zeaxanthin, 2 to 6 parts of zinc agent, 4 to 8 parts of iron agent and 500 to 1000 parts of compound vitamin. The zinc agent is one or more of zinc gluconate and zinc lactate; wherein the iron agent is one or more of ferrous gluconate, ammonium ferric citrate, ferric citrate and ferric lactate; wherein the compound vitamin is selected from multiple of vitamin A, vitamin D, vitamin C, vitamin B and vitamin E. The collagen peptide composition provided by the invention can solve the problems of dry eyes and eye fatigue, can be used for a long time, and has an effective rate of 93% or above.

The invention provides a recombinant adenovirus as well as a preparation method and application thereof. The recombinant adenovirus simultaneously comprises an immunomodulatory factor IL-10 and an allergen gene, and the immunomodulatory factor IL-10 and the allergen gene are subjected to fusion expression. The recombinant adenovirus disclosed by the invention can be utilized as an oral vaccine for preventing and treating anaphylactic diseases caused by protein allergen.

The invention discloses an agent for controlling excessive vegetative growth and strengthening seedlings of peanuts and a preparation method and an application of the agent. By taking silicate, mepiquat chloride and uniconazole as effective components, 1-10% of silicate, 10-50% of mepiquat chloride, 0.1-5% of uniconazole and 1-50% of an assistant and soluble filler are evenly mixed and ground to obtain the agent for controlling excessive vegetative growth and strengthening seedlings of peanuts; and by utilizing the stress resistance of the silicate and the characteristic of coordinated nutrient utilization, the absorption and the utilization of elements such as N, P and K in soil caused by peanut root systems are promoted, the capability of photosynthesis of the peanut is enhanced, the problems of excessive vegetative growth and lodging of aboveground parts are effectively controlled by matching with the mepiquat chloride and the uniconazole for adjusting the development process of the peanut, the seed setting rate and the grain plumpness rate of the peanut are increased, and the problems of soil nutrient deficiencies and excessive vegetative growth and lodging of the peanut in the south region of China are effectively solved. The prepared agent for controlling excessive vegetative growth and strengthening seedlings of peanuts can effectively improve the stress resistance of the peanut, has a good yield-increasing effect, and is simple in production process, simple and convenient in using method, and easy to popularize and apply.

The invention relates to a preparation method of milk egg nutritive steamed bread. The preparation method is characterized in that milk and eggs are added on the basis of conventional steamed bread. The nutritional ingredients of steamed bread are increased, and the milk egg nutritive steamed bread has the characteristics of good mouthfeel, high nutritive value and relatively low preparation cost. Because milk contains protein, fat, amino acids, saccharides, salts, calciu, phosphorus, iron, vitamins and other normal-amount and trace substances, and milk has efficacy of engendering fluid and quenching thirst, moistening intestinal tracts, clearing heat and relaxing bowels, tonifying deficiency and fortifying spleen and the like when milk is eaten frequently. Egg contains protein, fat, vitellolutein, phosphatidylcholine bilayer, vitamins, and iron, calcium, potassium and other mineral matter needed by human body, traditional Chinese medicine considers that egg is sweet in taste and mild in properties and has effects of nourishing heart to tranquilize, nourishing yin and moistening dryness, nourishing blood to extinguish wind. Therefore, by combining milk, egg and conventional steamed bread, the prepared milk egg nutritive steamed bread has extremely strong supplementing effect, is relatively beneficial for human body health and absorption, helps conventional food to have a qualitative leap, and becomes a health nutritive food living up to the name.

The invention relates to a bamboo-stump cultivation method for wild Ganoderma lucidum. Ganoderma lucidum cultivation is carried out through carrying out culture medium preparation, carrying out mycelium culture, carrying out environment setting, carrying out Ganoderma lucidum fruiting body cultivation and carrying out spore powder collection. The method has the beneficial effects that the Ganoderma lucidum cultivation is carried out through selecting bamboo stumps, remaining after bamboos in wild bamboo groves are hewn, as carriers, wild natural-environment cultivation is achieved, and Ganoderma lucidum absorbs wild natural nutritional ingredients and is abundant in nutritional ingredient content, so that the formation state of effective ingredients of Ganoderma lucidum bodies is good, and cultivated Ganoderma lucidum can have the effects of wild Ganoderma lucidum; the medicinal value is high, and the cultivation process is simple, so that the problems of the artificially-cultivated Ganoderma lucidum at present that the medicinal value is low and the cultivation process is complicated are solved, and the yield of Ganoderma lucidum can also be increased; and spore powder can be extensively collected, so that the income of Ganoderma lucidum cultivation is increased, the economic benefit is increased, the heavy demand of markets are met, and the popularization is facilitated.

The invention provides high-yield nutritious fertilizer for fruit crops. The high-yield nutritious fertilizer for the fruit crops is prepared from components by weight as follows: 1-8 parts of urea, 0.2-4 parts of phosphoric acid, 0.5-7 parts of potassium hydroxide, 0.3-0.7 part of calcium phosphate and 0.2-0.5 parts of magnesium sulfate, and further contains ferrous sulfate, zinc sulfate, borax,silicon dioxide and organic matter. Products are prepared from the fertilizer in accordance with various nutrients needed by crops in each growth period, all the products in the period are combined toform a fertilizer set which is supplied once, or the fertilizer in all growth periods is integrated to form matched nutrient fertilizer for the whole growth and development period of the crops. Not only are problems of fertilization blindness and randomness of farmers solved, but also nutrient deficiency and insufficient nutrient supply of the crops in the growth and development periods can be avoided, and the fertilizer is effort-saving, time-saving, labor-saving, convenient, affordable and scientific.

The invention discloses a processing method of coarse cereal and nut nutritional composite paste food, comprising the following steps of: preparing materials, ball-milling and mixing the materials, and performing spray granulation, wherein water, an antioxidant, a preservative and a non-nutritional sweetening agent are added into the cleaned raw materials in the ball-milling and mixing step, and stirring and crushing are conducted in a ball mill to obtain a coarse cereal and nut powder paste; and in the spray granulation step, the temperature of a drying chamber is 80-100 DEG C, and the temperature of hot air is 130-150 DEG C. The invention further discloses a processing device of the coarse cereal and nut nutritional composite paste food. Buckwheat, oats, corn, polished round-grained rice, black beans, peanuts, sunflower seeds and apricot kernels are selected as raw materials, so that nutrient-rich food are provided for the old people. The antioxidant is added to cooperate with the sunflower seeds and the peanuts, the probability of linoleic acid oxidation in the coarse cereal rice paste can be reduced, it is guaranteed that nutritional ingredients in the main materials are not lost, the probability of edema of the old people can be reduced through the synergistic effect of the peanuts and the apricot kernels, and the body health of the old people is facilitated.

The invention discloses a method for manufacturing regular biological deodorization packing. The method is characterized in that humic acid, composite nutrients and water are doped in raw material ceramsite and straw particles forming the packing, meanwhile, acidity buffer matter is added, the packing in a regular shape is pressed through a mould, and a cellular structure body is formed after natural airing. The invention further discloses the regular biological deodorization packing. The regular biological deodorization packing is characterized in that the regular biological deodorization packing is composed of, by weight, 60 percent to 70 percent of the ceramsite, 12 percent to 15 percent of the straw particles, three percent to five percent of sodium humate, two percent to three percent of the composite nutrients (urea, carbinol, the humic acid, nitrogen-phosphorus-potassium mixed fertilizer, molasses, peptone, light ground pumice and the like), two percent to three percent of the acidity buffer matter, hydroxide, 12 percent to 15 percent of silicate and the balance water. The biological deodorization packing has the performance of controllability and self-domestication culturability, packing cost is lowered, the biological deodorization packing is high in deodorization efficiency, stable in running, long in service life and low in cost, and needed nutrition can be continuously provided for microorganism in the deodorization process.

The invention relates to the feed field, in particular to a method for producing a straw fermented feed by taking concentrations produced by the membrane filtration process in the process of producing apple juice as additives. The method comprises the following steps: 1) mixing the juice concentrations and straws based on the mass ratio of 3:7-5:5 and controlling the moisture content between 65-75% after mixing; 2) stirring the mixture uniformly and fermenting the mixed materials; 3) sub-packing the fermentation product which can be used as a ruminant feed. The apple juice concentrations and straws are mixed and fermented according to certain proportion; the nutrient contents and characteristics of the two raw materials have strong complementarity; the two raw materials are waste materials in the production and can be regarded as roughage feeds for cultivating ruminants after being processed by the method.

The invention relates to a composite nutrient enrichment rice with functions of resisting fatigue and improving memory, and a preparation method of the composite nutrient enrichment rice, belonging to a technology of food processing. The broken rice produced in the processing process of high milled rice is taken as a raw material; the method comprises the steps of feeding natural nutrient enrichment foods such as carrots, wolfberry, rhizoma polygonati, oyster, semen cassiae, pearl powder and edible sodium alginate into the broken rice, carrying out micro-granulating, melting, carrying out multilayer embedding protection, granulating microcapsules, molding, drying and the like to obtain the nutrient enrichment rice with the functions of resisting fatigue and improving the intelligence. The product is suitable for various groups, and is especially suitable for juvenile students. The production process of the product is free from pollution and generation of harmful substances; chemical and synthetic additives are not used, so that the composite nutrient enrichment rice is safe to eat.

The invention discloses a non-grain cattle feed containing bamboo shoot, mushroom leftovers and banana peel. The non-grain cattle feed is prepared from the following raw materials in parts by weight: 40-50 parts of bamboo shoot, 30-40 parts of mushroom leftovers, 30-40 parts of banana peel, 10-15 parts of bagasse, 10-20 parts of corncob, 10-20 parts of vinasse, 5-8 parts of sunflower seed hulls, 5-8 parts of feather meal, 3-5 parts of endothelium corneum gigeriae galli, 2-5 parts of semen boitae, 3-9 parts of radices trichosanthis and 3-5 parts of fructus viticis. According to the non-grain cattle feed containing bamboo shoot, mushroom leftovers and banana peel prepared by the invention, the bamboo shoot, mushroom leftovers and banana peel are fully utilized; in combination with a scientific formula, the bamboo shoot, mushroom leftovers and banana peel mutually exert a synergistic effect, so that complete nutritional ingredients are provided for the feed, the cattle growth speed is greatly improved, the daily gain reaches 1.45kg, furthermore, the cattle immunity is enhanced, and the calf survival rate is improved.

The invention belongs to the field of food processing, and relates to the technical field of health-caring nutrition products; and the invention specifically relates to konjac nutrition powder and konjac capsules containing the konjac nutrition powder with a nutrient-enriching function. The konjac nutrition powder comprises the following raw-material ingredients: konjac powder and a nutrition fortifier; content of konjac glucomannan in the konjac powder is 50-70%; and the nutrition fortifier comprises vitamin A acetate, vitamin D3, riboflavin, pyridoxine hydrochloride, cobalamin, nicotinamide, calcium carbonate, ferrous fumarate, vitamin E acetate, and ascorbic acid. After entering the intestines and the stomach, the konjac powder is capable of expanding by absorbing water so as to increase satiety. The nutrition fortifier solves the problem of liable nutrient deficiency caused by long-term intake of the konjac powder. The konjac nutrition powder and the konjac capsules containing the konjac nutrition powder with the nutrient-enriching function are especially suitable for people with the demand of losing weight.

The invention discloses a processing method of acorn coffee in the technical field of beverage processing. The method comprises the following steps: material selection: selecting high-quality acorn which is full in fruit and free from the influence of plant diseases and insect pests; airing: airing the selected acorn in a dry and ventilated place for 1-3 days; shelling: removing shells of the aired acorns in the step 2, and reserving acorn fruits; processing: putting the shelled acorn into a steamer to be steamed for 30-40 minutes, and after steaming is completed, airing the steamed acorn until the moisture content in the acorn is 6%-9%; repeating the processing steps for nine times; stir-frying: putting the acorn processed in the fourth step into a stir-frying machine, wherein the stir-frying temperature ranges from 120 DEG C to 150 DEG C, and stir-frying is conducted for 20 minutes; grinding: putting the stir-fried acorn into a grinding machine, and grinding the acorns to obtain acorn powder; and blending: mixing the acorn powder and the coffee powder according to the mass ratio of 1:(0.5-2). The scheme solves the problem that the existing coffee is insufficient in nutritional value.

The invention relates to a food composition for a neoplastic disease and a preparation method. On the basis of food raw materials, the existing risk is avoided, the safety is ensured, and the problemsgenerated during industrial production of the food composition as a normative qualified food product and an on-market circulating product are solved; the problems that a tumor patient is lack of nutrients due to insufficiency of intake of vitamins and minerals can be solved. Various ingredients in the food composition accord with national laws and regulations, and industrial production and on-market circulating can be achieved; by improving the preparation technology, the problem that nutritive materials are unevenly mixed is sufficiently solved, and industrial production can be achieved. Inthe food composition, the using quantity of carbohydrates is strictly controlled, and the problem that high carbohydrates stimulate tumor tissue growth is significantly reduced.

The invention relates to an indoor biological assay method for green peach aphids, and belongs to the technical field of plant protection. The indoor biological assay method comprises the following steps that a cruciferous plant which grows to 3-4 true leaves and is consistent in growth vigor is selected as a plant to be tested for biological assay, true leaves expanded from the lower second layer are uniformly selected for being soaked into a medicine to be tested, airing is carried out, wing-free green peach aphids are inoculated, insect receiving leaves are covered by using a gauze net bag modified by a self-sealing bag opening, the end opening is reinforced and sealed by using absorbent cotton, the insect inoculation time is recorded, the biological influence of the pesticide to be detected on the green peach aphid is judged by observing the death rate of the green peach aphids within a certain time, so that the indoor biological assay of the green peach aphids is achieved. The indoor biological assay method for the green peach aphids is good in air permeability and sufficient in space, survival of the green peach aphids in biological assay is facilitated, the influence of the space environment on the green peach aphids to be tested is reduced, and the accuracy of the biological assay is ensured.

The invention discloses coarse fodder for cattle and a preparation method of the coarse fodder. The coarse fodder is prepared from YaJin sweet sorghum, hay powder, straw powder, pomace, corn, stone powder, vitamin A, sodium hydrogen carbonate, an enzyme preparation, a feed additive and edible salt through mixing, stirring, grinding, sieving, sealed fermentation treatment and the like. The coarse fodder for cattle and the preparation method of the coarse fodder have the advantages as follows: comprehensive nutrition is improved, the problem of undernutrition of traditional coarse fodder is solved, the internal fermentation environment of bovine rumen is improved, the number of beneficial microorganisms in the rumen is increased, and corresponding enzyme activity is enhanced.