91results about How to "Reduce elimination rate" patented technology

The present invention discloses a feed micro-ecological preparation, an anti-nutritional substance-free feed and a preparation method thereof, and belongs to the technical field of feed. The feed micro-ecological preparation is prepared by fermenting the following raw materials in parts by weight: 1.0-1.2 parts of Saccharomyces cerevisiae, 0.2-0.6 part of Enterococcus faecalis, 1.5-2.0 parts of Bacillus subtilis, 0.2-0.6 part of Bacillus coagulans, 0.1-0.15 part of Bacillus licheniformis, 0.1-0.3 part of Bacillus lentus, 0.2-0.5 part of Clostridium butyricum and 993.05-995.15 parts of liquid medium. After the feed micro-ecological preparation is mixed with feed raw materials, enzymes produced in the process of microbial strain fermentation can decompose anti-nutritional substances in feed and increase the feed utilization rate; at the same time, microbial strains also have effects in improving animal intestinal environment, maintaining intestinal flora balance, inhibiting the growth of pathogenic bacteria, and improving animal immunity.

The invention relates to the fields of animal medicine and veterinary medicines and in particular relates to a traditional Chinese medicine composition for treating pig trotter diseases and a method for preparing traditional Chinese medicine injection thereof. The traditional Chinese medicine composition for treating pig trotter diseases consists of 2-5 parts of honeysuckle, 2-5 parts of isatis root, 1-4 parts of Chinese angelica, 2-5 parts of radix scrophulariae, 2-5 parts of fructus forsythiae, 1-3 parts of safflower, 1-3 parts of ligusticum wallichii and 1-3 parts of liquorice. The preparation method comprises the following steps: mixing and crushing medicinal materials, adding purified water, heating and performing reflux extraction; concentrating the extracting solution, and adding ethanol for performing alcohol precipitation; concentrating the alcohol precipitation supernatant containing active ingredients for concentrating and recovering ethanol, and performing adsorption bleaching treatment on the concentrated solution; regulating the pH value of the adsorption bleaching treatment solution, sequentially adding Tween-80 and benzyl alcohol, uniformly mixing and filtering; and adding water for injection so as to regulate the content of active ingredients of the liquid medicine, carrying out split charging and sterilizing. The traditional Chinese medicine injection can be used for treating pig trotter swelling pain, contusion, bubbles, fester, sand crack, leg feet deformation and the like caused by various etiological factors.

The present application relates to novel PEG-G-CSF conjugates in which a PEG molecule is linked to the cyteine residue in position 17 of native G-CSF primary sequence or to the cysteine residue of the corresponding position of a G-CSF analogue. The present application also describes a process for the manufacture of such conjugates, such process comprising the following steps: (i) subjecting the G-CSF protein to conditions inducing reversible denaturation of the protein, (ii) conjugation of the denatured protein obtained is step i with a thiol-reactivc PEG under denaturing conditions, (iii) subjecting the conjugates obtained in step ii to conditions promoting renaturation of the conjugate yielding biologically active G-CSF-PEG conjugate.

the invention discloses a sow pregnancy early stage compound feed for promoting sow welfare and improving sow reproductive performance, and a processing method thereof. The compound feed is composed of the following components in percentage by mass: 32-40% of corn, 27-35% of wheat, 10-15% of soybean meal, 8-14% of dietary fiber, 0.1-0.2% of microecological preparation, 0.025-0.03% of carnitine, 0.2-0.3% of compound trace elements, 0.03-0.04% of compound vitamins, 0.05-0.06% of choline, 0.02-0.04% of phytase, 0.04-0.06% of anti-mildew agent, 0.15-0.2% of mycotoxin adsorbent, 0.8-1.2% of calcium monohydrogen phosphate, 0.1-0.2% of salt, 1-1.2% of stone powder and 0.9-1.0% of zeolite powder. The processing method includes the following steps: carrying out cleaning sorting, screening and crushing of the bulky raw materials of corn and wheat, adding the various raw materials into a mixer according to the formula amount and carrying out uniform mixing, and performing steam conditioning of texture, pelletizing, screening, cooling and packaging to get the finished product. The sow pregnancy early stage compound feed meets nutritional requirements of a sow in the pregnancy early stage, can promote the fetal development and the mammary gland development of sows, and can improve the maternal and fetal immunity.

The invention relates to the technical field of animal feed, in particular to a compound pre-mixed material for dairy cows in the post-perinatal period and application thereof. The compound pre-mixed material consists of iron sulfate, manganese sulfate, zinc sulfate, copper sulfate, 1-percent potassium iodide, 1-percent cobalt sulfate, 1-percent sodium selenite, vitamin A, vitamin D, vitamin E, glucose, coated choline, rumen bypass fat, nicotinic acid, vitamin C, yeast cultures, organic chromium, dihydropyridine, sodium bicarbonate, and a carrier. The compound pre-mixed material can be safely and conveniently used, obviously improve an effective conception rate and oestrus rate of the dairy cows, reduce non-pregnant days of the dairy cows, shorten a claving interval of the dairy cows, enforce the body recovery of the dairy cows after delivery, lowers a culling ratio of the dairy cows, prolong a use period of the dairy cows, improve a feeding level of the dairy cows, and increase economic benefits of dairy cow farmers; and the compound pre-mixed material also has the advantages of easy source of raw materials, lower cost, obvious effect, easy popularization and wide application prospect, and is specially used for feeding the dairy cows in the post-perinatal period.

The invention discloses a traditional herbal medicine feed addictive for preventing and controlling swine high fever syndrome, belonging to the technical field of feed addictives. The addictive is prepared from Chinese angelica, white paeony root, scutellaria, argy wormwood leaf, rhizoma atractylodis, hawthorn, magnolia officinalis, dried orange peel and liquorice as raw materials according to a certain weight part. By using the functions of enhancing the immunity of pigs, improving the success rate of vaccination and the like, the traditional herbal medicine feed addictive achieves the aims of improving the growth speed of commercial pigs and the conversion rate of the feed, reducing the death rate and the mortality of the pigs and improving economic benefits. The traditional herbal medicine feed addictive can be popularized and applied in pig farmers or farms.

The invention belongs to the technical field of insect feed additives, and particularly discloses an insect additive for poultry and livestock feeds and application of the insect additive. The additive comprises the following components in part by weight: 20 to 50 parts of insect albumen powder, and 1 part of chitin and antimicrobial peptide. The chitin and the antimicrobial peptide which are extracted from insects are used for compounding the additive for the feeds, and the quality of the feed is improved, so that the quality of raised animals is effectively improved, and safe and healthy meat and fish or egg products are produced.

The invention prepares a sow complex premixing feed based upon the sow physiology characteristic and production disciplines, which takes the natural Chinese herbal medicine extract Xianling spleen extract, yellowcypress extract and viable bacteria preparation and their metabolite as the main raw materials, and is formed by preparing according to the regulating effect philosophy of the nerves-endocrine-immune network theory to the domestic environment. The complex premixing feed does not has any hormones, so that it has the functions of enhanced immunity, regulating endocrine function and the restoration of reproductive function of dams. The invention has significant effectiveness, can effectively delay the physiological function decline of sows to reduce the farm-out rate of sows.

A fast disintegrating controlled release oral composition comprising a core material containing cefuroxime axetil present as controlled release form, the cefuroxime axetil being provided with an outer coating of a copolymer selected from aqueous dispersions of enteric methacrylic acid and methacrylic acid esters anionic copolymers having carboxyl group as the functional group or mixtures thereof and an inner coating of a sustained-release copolymer selected from aqueous dispersions of acrylate and methacrylate pH independent copolymers having quaternary ammonium group as a functional group or mixtures thereof, and optionally probenecid. Additionally, the coating composition may contain plasticizers. The composition is suitable for once daily administration.

The invention relates to the technical field of feed and particularly discloses a juvenile crab feed. The feed consists of the following raw materials in parts by mass: 25-35 parts of fish meal, 22-28 parts of dehulled soybean meal, 3-5 parts of squid liver paste, 20-25 parts of casein, 4-6 parts of fish oil, 15-25 parts of peanut meal, 6-10 parts of shrimp head powder, 5-7 parts of phospholipid oil, 3-7 parts of complex vitamins for crabs, 0.5-1.5 parts of trace elements for crabs, 2-3 parts of glycine, 2-3 parts of vegetable oil, 0.2-0.6 part of phytase additive, 0.1-0.5 part of shelling element, 0.06-0.08 part of phagostimulant, 12-24 parts of zeolite and 2-5 parts of juvenile crab precocity inhibiting feed additive. Due to the adoption of the technical scheme of the invention, the juvenile crab feed has the beneficial effects that the juvenile crab feed is comprehensive in nutritional ingredients, reasonable in composition proportion and safe and reliable in use. Moreover, a ratio of precocious young crabs is obviously reduced, a survival rate of breeding the juvenile crabs into young crabs is improved, a use amount of the feed is reduced, and the acre yield of the young crabs is greatly improved.

The invention discloses a feed additive capable of improving reproductive performance and reproductive life of a boar. The feed additive is prepared from the following components by weight percent of 8-15% of total fat, 0.3-1% of timnodonic acid and docosahexaenoic acid, 2-8% of lysine, methionine, tryptophan, and threonine, 2-5% of enveloped glutamic acid, 2.5-10% of arginine, 0.4-1% of isoleucine, 0.5-4.5% of leucine, 5-12% of fructose, 0.1-1% of L-carnitine, 0.1-1% of vitamin E, 1-5% of vitamin C, 0.001-0.1% of organic selenium, and 0.1-0.8% of organic zinc and inorganic zinc, wherein the ratio of kestose to nystose to pentasaccharide is 1 to (2-2.5) to (1.8-2.2), and the ratio of the organic zinc to the inorganic zinc is 1 to (1.2-1.8). The additive disclosed by the invention can promote the health and the function of the reproductive organ of the boar, and maintains the reproductive performance and the reproductive life of the boar.

The invention relates to a method for producing a component (9) from fiber-reinforced composite material. In a first step, a mold (1) is provided and, in a second step, a surface layer (3) is introduced into a cavity (2) of the mold (1). In a further step, a fiber layer (4) is applied to the surface layer (3) and is cured together with the surface layer (3) to form a first part (5). Afterwards, the first part (5) is subjected to a check. If the check proceeds positively, a carrier structure (8) is connected operatively to the first part (5).

The invention discloses a cysteamine hydrochlorate compound premix material for increasing the weight of meat poultry, and a method for preparing the same, wherein 10 to 30 portions of vitamin A, 3 to 10 portions of vitamin D3, 3 to 10 portions of vitamin E and one fifth to four fifths of 50 to 800 portions of xylo-oligosaccharide are evenly mixed, 0.5 to 1.5 portions of vitamin B2, 0.003 to 0.009 portion of vitamin B12, 0.50 to 1.0 portion of folic acid and one tenth to one fifth of 50 to 800 portions of xylo-oligosaccharide are evenly mixed, and the mixtures is evenly mixed with 100 to 900 portions of cysteamine hydrochlorate clathrate, 8 to 20 portions of methionine, 5 to 30 portions of lysine, 5 to 20 portions of solid emulsifier, 2 to 10 portions of glutamine and the remained carrier xylo-oligosaccharide to prepare the premix material. The compound premix material can supplement vitamins and amino acids needed for fast growth of meat poultry, strengthen the digestion, absorption and utilization of energy and nutrient substances such as nitrogen, calcium, phosphorus, and the like, improve the carcass merit, increase the meat factor, enhance the immunity function of organism, improve the illness resistant capability and the stress resistant capability, enforce the digestion and absorption of proteins and fats, improve the number of helpful bacteria in intestinal canals, enforce the digestion and absorption of nutrient substances and improve the feed conversion rate. The cysteamine hydrochlorate compound premix material can not only increase the producibility of meat poultry but also improve the meat quality.

The invention provides a nutrient supplement for first-delivery sows, and belongs to the technical field of breeding of first-delivery sows. The nutrient supplement comprises 100-200 parts of poly-isomaltose, 100-200 parts of baking soda, 50-100 parts of probiotics, 60-150 parts of chitosan oligosaccharides, 100-150 parts of L-Lysine monohydrochloride, 50-100 parts of methionine, 50-120 parts of calcium lactate, 0.1-0.3 part of zinc glycinate, 0.08 -0.12 part of manganese glycinate, 0.01-0.03 part of cupric glycinate, 50-100 parts of an acidulant, 150-200 parts of vitamin E, 10-15 parts of vitamin A, 2-3 parts of vitamin D3 and 10-500 parts of silicon dioxide. A preparation method of the nutrient supplement comprises the following steps of weighing the components in parts by weight, sequentially adding the components in parts by weight to a mixing machine in the sequence from the big components to the small components, performing uniform mixing, and performing subpacking with a non-toxic bag. According to the nutrient supplement, the physical development of the first-delivery sows can be promoted, the firstborn stress of the first-delivery sows can be reduced, the body storage of the first-delivery sows can be strengthened, the food consumption of the sows at the early period of a lactation period can be increased, the disease resistance of the first-delivery sows at a perinatal period can be strengthened, the syndromes of the sows for second pregnancy can be alleviated, the service life of the sows can be prolonged, and the rejection rate of the sows can be reduced.

The invention relates to a high-efficiency supplementary feed for a dairy cattle. The high-efficiency supplementary feed comprises the following components of fatty acid calcium, extruded soybean, corn gluten meal, nicotinic acid, vitamin B12, vitamin B1, coated choline, biotin, bacillus subtilis microbial inoculums, vitamin E and baking soda. According to the high-efficiency supplementary feed, the contents of lactoprotein, milk fat and milk dry materials in fresh and raw milk of the dairy cattle can be remarkably increased, the feed palatability is improved, the immunity of the organism of the dairy cattle is enhanced, the stress is reduced, the recovery of postpartum body condition of the dairy cattle is facilitated, the elimination rate of the dairy cattle is reduced, the service life of the dairy life is prolonged, the feeding level of the dairy cattle is improved, the economic income of a dairy cattle farmer is increased, and the application prospect is wide.

The invention provides an additive for suppressing juvenile crab early maturity, including: VC phosphate, taurine, humic acid sodium, cholesterol, premix for crab, wheat-middlings, the components are as follows: 2-3 parts by weight of VC phosphate; 2-3 parts by weight of taurine; 3-4 parts by weight of humic acid sodium; 2-3 parts by weight of cholesterol; 18-22 parts by weight of premix for crab; 5-15 parts by weight of wheat-middlings. The invention optimizes feeding of suppressing juvenile crab from the point of improving the juvenile crab physiology, and is a feed additive containing juvenile crab early maturity suppressing factor, and has the functions of improving growth and suppressing juvenile crab early maturity, the good effects are as follows: 1) juvenile crab early maturity rate is reduced significantly, from the 18-25% before treatment to 5-8% after treatment; 2) the survival rate of the juvenile crab is improved from 12% to 15-20%; 3) the feed usage amount is reduced, the feed coefficient is reduced from 3.2 before adding to 2.4-2.6 after adding, the cultivation cost is reduced; 4) because the juvenile crab early maturity rate is reduced, the elimination rate is reduced, the average output of juvenile crab per mu is increased from 90-100kg to 125-140kg.

The invention discloses a composition for promoting meiotic resumption of oocytes of sows and application of the composition. The composition comprises vectors and extracts of ajuga forrestii, oregano, horseradish, cinnamon, rosemary, dunaliella and rhoeo discolor. The composition and the application have the advantages that meiotic resumption of the oocytes of the sows can be promoted, the quality of the oocytes can be improved, the reproductive performance of the sows can be improved, the reproductive lives of the sows can be prolonged, the composition is favorable for activating c-mos and AMPK (adenosine monophosphate activated protein kinase), accordingly, starting of the meiotic resumption of the oocytes of the sows can be promoted, the quality of the oocytes of the sows can be improved, the conception rates and the pregnancy proportions of the sows can be increased, the reproductive health of the sows can be promoted, the immunity and health conditions of the sows can be improved, and the service lives of the sows can be prolonged; the composition can be added into feed for the sows, so that the quantities of eliminated sows among reservation sows and adult sows due to poor oocyte quality of the sows can be greatly reduced, the sow elimination rate can be lowered, and the service lives of high-parity sows can be prolonged; the costs of pig farms can be reduced, and the productivity of the pig farms can be improved.

The invention discloses a compound premix additive for improving bone development of replacement gilts. The compound premix additive is prepared from, by weight, 30-40 parts of vitamin complex, 40-60 parts of trace element composite, 30-40 parts of choline chloride, 40-60 parts of L-lysine hydrochloride, 10-15 parts of DL-methionine, 5-10 parts of L-threonine, 120-150 parts of calcium hydrophosphate, 120-150 parts of monocalcium phosphate, 250-280 parts of limestone powder, 90-110 parts of salt and 85-265 parts of bran. By adoption of the compound premix additive, bone toughness and strength of the replacement gilts can be improved, reserve quantity of nutrients such as vitamins, trace elements and the like in the replacement gilts is increased, and accordingly occurrence rate of the foot-and-leg disease of the gilts is decreased, health of feet and legs of the gilts is protected, and lives of the gilts are prolonged.

The invention discloses an electronic balance and a correction method and a device of a weight sensor of the electronic balance. The method comprises the following steps of: acquiring current output values of the weight sensor; matching corresponding functional relationships with the output values according to the output values, wherein the functional relationships are used for identifying gradients of curves of electronic balance linearity, and under the curves used for identifying the electronic balance linearity, different output values correspond to different linearities; acquiring corresponding correction values according to the matched functional relationships; and performing correction on the current output values of the weight sensor according to acquired correction values. By means of the electronic balance and correction method and the device of the weight sensor of the electronic balance, line segments used for identifying electronic balance linearity in the prior art is changed into the curves, and by means of the curves, different output values correspond to different linearities. By means of the electronic balance and correction method and the device of the weight sensor of the electronic balance, output values can be more close to actual weights, elimination rate of weight sensors with low linearity is reduced, and output accuracy of weight sensors is further improved.

The invention provides a feed additive for improving bone strength of sows and improving reproductive performance of the sows and a preparing method of the feed additive, and belongs to the technicalfield of feed additives of sows. The feed additive is prepared from compound Chinese herbal medicines, compound organic microelements, multivitamins, microecologics, other nutrients and a carrier, wherein the compound Chinese herbal medicines involve herba epimedii, radix scutellariae, radix puerariae, fructus psoraleae, soy isoflavone, rhizoma drynariae, catechinic acid, radix morindae officinalis, cowherb seeds and camellia saponin; the compound organic microelements comprise methionine chelate zinc, ferrous fumarate, selenium saccharomyces cerevisiae, copper mothionine and manganese bisglycinate; the multivitamins comprise 25-hydroxyvitamin D3, beta-carotene, vitamin A, vitamin E, vitamin B2, vitamin B12, vitamin K2, folic acid, nicotinic acid and biotin; the microecologics involve bacillus natto and candida utilis; the other nutrients involve lactobionic acid, linoleic acid and beta-glucosan fibers. By means of the feed additive, the bone strength of the sows can be improved, the production performance is improved, the mortality of the sows due to trophism limb and hoof diseases is reduced, and the benefits of the pig industry are increased.

The invention discloses a feed additive for the health protection of breeding sow trotters and an application method of the feed additive. The feed additive contains zinc glycinate, manganese glycinate, copper glycinate, vitamin E, vitamin A, vitamin D3, selenium yeast, a sweetening agent and wheat middling. According to nutrition factors influencing the health of the breeding sow trotters and unique physiological characteristics of breeding sows, various organic microelements, vitamins and functional substances are applied to the breeding sows; the balance among the organic microelements is also considered; experiments show that the probability of cyllopodia can be lowered effectively, the mortality of the breeding sows is reduced and the born number of the breeding sows and the weaning weight of piglets are increased. The additive is convenient to prepare and use and is low in cost; the organic microelement is a single amino acid chelating ligand such as glycine and the feed additive has the common applicability.

The invention relates to a feed adjusting and controlling agent capable of improving propagation properties of breeding boars. Every kilogram of the feed adjusting and controlling agent contains 30-90g of beta-carotene, 30-100g of arginine activator additives, 50-120g of vitamin A, 10-60g of vitamin D3, 10-60g of vitamin E, 20-80g of vitamin C, 5-30g of biotin, 5-30g of folic acid, 10-60g of L-carnitine, 5-30g of carotene, 10-60g of organic selenium, 50-130g of organic chromium, 5-30g of organic zinc, 80-160g of feather meal and 250-350g of fatty powder. The feed adjusting and controlling agent capable of improving propagation properties of breeding boars can promote the propagation properties of the breeding boars, improve the birth quality of the breeding boars and improve the body condition of the breeding boars.

The invention discloses a preparation method of a laying hen feed. The method comprises the following steps: 1, corn, rice bran, wheat bran, soybean meal, and peanut meal with the above weight part are pulverized into the powder by a pulverizer, and then the powder is mixed and stirred uniformly to obtain a mixture; 2, lysine and methionine and the mixture obtained in the step 1 are mixed according to the above weight part and stirred uniformly; 3, then steam tempering is carried out on the mixture obtained in the step 2 by using a conditioner to achieve the purpose of ripening, the steam tempering pressure is 0.3-0.4 MPa, the tempering temperature is 70-80 DEG C, and the tempering time is 20-30 seconds; and 4, the ripened raw material obtained in the step 3 is prepared to a pellet productby using a granulator. The raw materials selected for the feed of the laying hens of the invention are rich in nutrients, and are suitable for the nutritional requirement of the laying hens, the feedcan improve the growth speed of the laying hens, enhance the immunity and anti-stress ability of the laying hens, increase the egg production rate, and has long egg laying peak maintenance time, goodeggshell quality, and low elimination rate of laying hens, and significantly improves egg production performance.

The invention discloses a Chinese herbal medicine feed additive. The feed additive comprises the following components by weight: 63-70 of solid psidium guajava raw material, 2-4 of radix gentianae, 7-13 of radix isatidis, 3-7 of honeysuckle and 13-17 of vine of multiflower knotweed, wherein the solid psidium guajava raw material, radix gentianae, radix isatidis, honeysuckle and vine of multiflower knotweed are powder with grain size being 50-100 meshes. The feed additive has the following beneficial effects that the product belongs to the Chinese herbal medicine premix, is all natural and residue-free, promotes production and increases the capacity and the economic benefits; the product can improve the daily gain of poultry, reduce the feed conversion ratio, replace the antibiotic in the feed and play a role in preventing diseases; and the utilization ratios of the active ingredients of psidium guajava are increased from the original 30% to 80%.

The invention provides a method for breeding thick-shell field snails, in particular to the technical field of aquaculture. The method comprises the following steps: a, snails pond construction: building a snails pond where water source is sufficient and water quality is fresh and clean, and stacking straw at the edge of the pond; b, larval snails throwing: throwing thick-shell larval snails intothe snails pond, feeding the snails with larval snails bait, selecting the preferred larval snails after screening; c. feeding management: feeding the preferred larval snails until they develop into adult snails with a body weight of 22-34g; d, retention breeding and harvesting: carrying out the retention breeding by selecting adult snails individuals with a body weight of 24-34g and a shell thickness of 0.7 cm or more according to the ratio of male to female of 4-5:1-2. The thick-shell field snails bred by the method have the advantages of large size body, thick outer shell, convenient transportation, crisp and fresh taste, high survival rate and stable quality. The breeding process is simple and easy, the elimination rate is low, the management is convenient, and the method is easy to promote.

A recombinant protein is provided containing a serum albumin multimer wherein at least two genes encoding serum albumin are combined with each other by gene recombinant technology and incorporated into a host cell for the effective production of the protein. The gene encoding a human serum albumin multimer and the recombinant vector are also provided. The protein is used as a safe drug administration carrier that is capable of extending the half life of a drug in the blood without the risk of contamination of viruses and so on, as compared with a conventional drug administration carrier.

The invention discloses a baby rex rabbit confined farming method, and belongs to the technical field of livestock disease prevention and treatment. In an adopted rex rabbit digestive tract disease comprehensive prevention and treatment method, breeding house disinfection, baby rabbit immunization and baby rabbit nutrient enrichment are performed, so that the problems of tendency to attack and high morbidity of a digestive tract disease in a feeding process of rex rabbits are solved. Through the prevention and treatment method, the morbidity of the rex rabbit digestive tract disease is lowered remarkably, the survival rate of baby rex rabbits is increased, the growth rate of the baby rex rabbits is high, the body weight is increased remarkably, the resistance is enhanced, the rabbit meat is free from residues of chemical drugs after slaughtering, fur is smooth and pure and glossy in color, sustainable and healthy development of the livestock industry is ensured, the large-scale farming risk and animal disease prevention and treatment cost of the rex rabbits are lowered, and the large-scale farming economic benefit of the rex rabbits is increased.

The invention relates to a concentrated feed formula for replacement gilts and a preparation method. The concentrated feed comprises 69-80.5 parts of bean pulp, 2-4 parts of fish meal, 2-4 parts of distiller's grain protein, 4-5 parts of mountain flour, 3-4 parts of calcium hydrophosphate, 1-2 parts of plant oil, 1.5-2.5 parts of edible salt, 1.5-2.5 parts of trace element, 1.5-2.5 parts of multivitamin, 1-1.7 parts of lysine and 2-2.8 parts of supplementary feed. The preparation method of the concentrated feed for the replacement gilts includes the steps of firstly, mixing materials; secondly, performing puffing and granulation; thirdly, drying; fourthly, cooling. The concentrated feed formula for the replacement gilts has the advantages that the concentrated feed for the replacement gilts is professional and can well provide nutrition for the replacement gilts, the elimination rate of the replacement gilts is lowered, and the constitution of the replacement gilts is increased. The preparation method is simple in process, reasonable in steps and high in nutrition preservation degree.