78 results about "Intestinal villus" patented technology

The invention discloses an anti-stress anti-diarrhea growth-promotion Chinese herbal medicine feed additive for a weaned pig, which is obtained by carrying out the superfine grinding and mixing on the following components at the mass ratio: 1-5 parts of Astragalus mongholicus, 1 part of Scutellaria baicalensis, 1 part of malt, 1 part of liquorice, 1-5 parts of dangshen, 1-5 parts of poria cocos and 1-5 parts of largehead atractylodes rhizome. According to the Chinese herbal medicine feed additive disclosed by the invention, the weaned pig growth performance can be improved, and the Chinese herbal medicine feed additive has the anti-diarrhea effect; the gastrointestinal tract development of the weaned pig can be promoted; the activity of the digestive enzyme of the gastrointestinal digestive tract of the wigged pig can be improved to promote the development of the pig digestive enzyme system; the micro-ecological environment of the digestive tract of the pig can be regulated and stabilized to accelerate the pig to grow; the antioxidation function of the wigged pig organism can be improved so as to improve the compensatory capability of the wigged pig organism on external irradiation; the intestinal mucosa form of the wigged pig can be improved so as to alleviate the intestinal villus withering of the wigged pig and promote the tract of the wigged pig to restore; and the immunologic function of the intestinal mucosa of the wigged pig can be regulated.

The invention discloses biological enzyme protein feed additives which comprises microbe live bacteria cells, active biological enzymes, amino acid, starch, fibers and water. The microbe live bacteria are Candida utilis bacteria, lactobacillus acidophilus and Bacillus licheniformis. The active biological enzymes are protease, amylase, beta-glucanase, xylanase, pectase, glucoamylase and fat acid enzyme, and amount of the active biological enzymes is 20000-24000 mu / g. The additives are full of microbe live bacterial and active biological enzymes for growth, metabolism, digestion, absorption, immunoregulation of livestock and poultry, intestinal tract flora balance capability, intestine mucous membrane epithelial cells restoration capability, intestinal villus growth capability, vitamin and trace element supply capability of the livestock and poultry are maintained. Absorption and utilization rate of the feed additives is high. According to the feed additives, drain amount of nitrogen, phosphor and calcium in night soil of the livestock and poultry is reduced, qualities of livestock, poultry and aquatic products are raised, and environmental pollution is reduced. Offensive odor of the livestock and poultry night soil is weakened and culture environment is purified.

The invention relates to piglet preweaning feed and a preparation method thereof for solving the problems of bad palatability and low digestibility of the piglet preweaning feed. The technical scheme is that the piglet preweaning feed is a fully expanding particle product and consists of expanding corn, expanding soybean, wheatmeal, dairy products, fish meal, vegetables, an acidulant, water, edible fats, lysine, methionine, vitamin premix and minerals premix. In the method of the invention, the raw materials are mixed and ground, the mixture is stirred, and the obtained product is instantly expanded into the piglet fully expanding particle feed at high temperature under high pressure by a food expander. The product of the invention is totally cured, is soft and crisp and is instantly melt in the mouth or in the water. Compared with the existing practical feed, the feed greatly improves the palatability and the digestibility, has balanced nutrition arrangement, is beneficial for the pig to grow rapidly, solves the problems of low feed intake, slow growth, weight reduction after the piglets are weaned and the like, can prevent intestinal villus atrophy after the piglets are weaned, reduces weaning stress, improves the non-specific immunity capability and guarantees the health of the piglets.

The invention discloses a lactobacillus reuteri 22 and application thereof. The lactobacillus reuteri 22 disclosed by the invention is separated from healthy chicken flocks, is classified and named aslactobacillus reuteri, and has a preservation number of CGMCC No.17932. By detecting the performance of probiotics, the invention finds that the lactobacillus reuteri 22 has good acid resistance, cholate resistance and adhesion performance, and can inhibit growth of pathogenic bacteria. Through Animal assays, in a healthy physiological state, the lactobacillus reuteri 22 does not influence the level of inflammatory factors, but can increase the number of goblet cells and promote the increase of expression levels of related genes such as compact protein, defensin and lysozyme, can increase thelength of intestinal villi and the depth of crypt, and has the potential of maintaining intestinal mucosa barriers. Therefore, the strain is expected to be developed into probiotics for maintaining achicken intestinal mucosa barrier and guaranteeing green and healthy chicken breeding.

The present invention discloses a creep feed using ideal fat raw materials to improve a production performance of suckling piglets and a preparation method thereof. The creep feed comprises 0-30% of corns; 10-30% of extruded corns; 5-10% of soybean meal; 4-8% of fermented soybean meal; 2-5% of super fish meal; 2-5% of dried porcine solubles; 2-5% of glucose; 0-2% of soybean oil; 2-5% of high-effect raw materials; 0.3-0.4% of an acidifier; and a pre-mixed feed at 4%. The high-effect raw materials are ideal feed fat raw materials prepared by the following steps: pre-hydrolyzed balanced vegetable oil is fully homogenized and emulsified, and the high quality extruded corns are combined, fatty acids are totally emulsified and the emulsified fatty acids can be completely absorbed, and the creep feed can increase the energy demands of intestines of the suckling piglets and overcomes the intestinal villus membrane atrophy and damage during the weaning of the suckling piglets. The creep feed is suitable for the suckling piglets at 5-35 days old, can meet the nutritional requirements of the suckling piglets, further improves the fat digestibility and utilization, and accelerates the intestinal health development and production performance of the suckling piglets.

The invention discloses a diet starch source combination capable of improving health of intestinal tracts of piglets. The ratio of amylose to amylopectin is 0.48, so that the concentration of total short chain fatty acids, particularly the concentration and the molar ratio of butyrate, of contents in cecum and colon of a piglet can be increased, and accordingly maintaining of completeness and functions of enterocyte of hindgut of the piglet is facilitated. After the piglet is fed by feed containing the amylose and the amylopectin with the ratio of 0.48 for a long time, the gastro-intestinal morphology and the intestinal enzyme activity of the piglet can be improved, the height of intestinal villus is increased, the depth of a crypt is increased, accordingly, growth and development of the small intestine of the piglet can be promoted, and the gastro-intestinal morphology structure is improved. As a starch source with the ratio of the amylose to amylopectin to be 0.48 is used as a daily feed energy source, health of the intestinal tracts of the piglet is possibly facilitated, and development of later-period production performance of the piglet is also facilitated.

The invention discloses a feed additive for improving intestinal development of piglets and a using method thereof. The feed additive is prepared from the following raw materials: short-chain fatty acid, sodium humate, glutamine, Chinese herbal medicine additives and wheat germ powder, wherein the Chinese herbal medicine additives comprise the following components: hawthorn, astragalus membranaceus, honeysuckle and liquorice. The raw materials are compounded, the raw materials impact with one another, the intestinal benign development of the piglets is promoted, the intestinal recess depth and intestinal villus height are increased, and the feed utilization rate is increased. Meanwhile, the immunity of the piglets is enhanced, and the influence on the intestinal metabolism caused by weaning stress of the piglets is relieved, so that the growth performance and health level of the piglets are improved.

The invention provides a pig feed and a preparation method thereof. The pig feed comprises 1 percent by weight of premix, a synthetic amino acid and a compound enzyme, wherein the synthetic amino acid is a mixture of L-lysine, DL-methionine, L-threonine and L-tryptophan; the compound enzyme is a mixture of protease, amylase, phytase, xylanase and beta-mannase. Compared with a common pig feed, the daily pig feed prepared from the synthetic amino acid and the compound enzyme has the advantages that the daily grain and the conversion efficiency of the feed are obviously increased, and fecal nitrogen and urine nitrogen are obviously reduced; the growth speed of pigs is increased, and the environmental improvement is facilitated; the growth of animals is not affected by the added synthetic amino acid; the reduction of the crude proteins of the daily pig feed facilitates the development of intestinal tracts, the villus height of duodenum in the intestinal tracts is increased, and the digestion and the absorption of proteins are facilitated.

The invention discloses a feed additive capable of promoting health of livestock and poultry intestines and a preparation method. Montmorillonite modified with cetylpyridinium chloride is used for loading carvacrol. The montmorillonite is modified with the cetylpyridinium chloride, so that the layer spacing / specific surface area and the hydrophobic character of the montmorillonite are improved, and the adsorption rate of the montmorillonite for the carvacrol is greatly increased. The montmorillonite has favorable biocompatibility and gastrointestinal tract mucosa substantivity, has the release control effect on the loaded carvacrol, can effectively exert the effects of resisting bacteria, resisting inflammation, resisting oxidation and the like, and has the synergistic effect and the synergism effect on antibacterial activity. The feed additive has the characteristics that the antibiotic action is high, and bacteria are not liable to cause drug resistance. The proliferation of harmfulbacteria in intestines of livestock and poultry can be effectively restrained, the height of intestinal villus and the intestinal barrier function are increased, secretion of digestive enzymes is facilitated, digestion of feed nutrients is facilitated, health of the intestines of the livestock and poultry is promoted, and the production performance of the livestock and poultry can be improved.

The invention discloses a polypeptide and application thereof. The polypeptide contains continuous amino acid residue fragments with sequences of Pro-Gly-Ala-Asp or Asp-Ala-Gly-Pro. The polypeptide can be synthesized according to sequence structures by the aid of a polypeptide synthesizer and also can be extracted from natural plants including radix notoginseng, flos sophorae, aloe vera and\or rhizoma bletillae. The polypeptide and the application have the advantages that effects of promoting migration of stem cells and vascular progenitor cells of mice and directionally differentiating the stem cells and the vascular progenitor cells towards vascular endothelial cells can be realized by the polypeptide, and accordingly damage repair of the vascular endothelia cells and formation of new blood vessels can be promoted; skin spray can be prepared from the polypeptide, wound healing can be promoted by the skin spray, and inflammation can be prevented and treated by the skin spray; oral liquid for piglets can be prepared from the polypeptide, regeneration and repair of intestinal villi of the piglets can be promoted by the oral liquid, and accordingly diarrhea diseases of the piglets can be fundamentally prevented and radically treated by the oral liquid; feed additives for animals can be prepared from the polypeptide, and effects of resisting diarrhea and promoting growth can be realized by the feed additives; perfusion agents for the uteruses of sow can be prepared from the polypeptide, quick healing of postpartum wound of the sow can be promoted by the perfusion agents, and inflammation of the sow can be effectively prevented and treated by the perfusion agents.

The invention discloses a high-power chip heat dissipation system with a built-in intestinal villus-like micro-needle ring and a method. An air-cooling or water-cooling environment is only manufactured outside a heat absorption box, so that the heat dissipation requirement of a high-power chip is difficult to realize. An air outlet in the top of a fan is attached to a double-vortex-shaped linear condenser pipe; three layers of coiled liquid channels are fixed in the heat absorption box, and a plurality of intestinal villus imitating microneedle rings are embedded in the channels; an inlet of the three-layer coiled liquid channel is connected with an outlet of an inlet peristaltic pump through a hose, and an inlet of the inlet peristaltic pump is connected with an outlet of an outlet peristaltic pump through a hose and a double-vortex linear condenser pipe; an inlet of the outlet peristaltic pump is connected with an outlet of the three-layer disc curved liquid channel through a hose; thermocouples are fixed to the side faces of the heat absorption boxes, and hexagonal honeycomb-shaped microneedle array sets are fixed to the top faces of the heat absorption boxes. The external air cooling system and the internal liquid cooling system are combined, the heat exchange efficiency is improved through multiple structures for increasing the heat dissipation area and prolonging the heatexchange time of cooling liquid, and the heat dissipation requirement of a high-power chip is met.

The invention discloses a concentrated feed capable of promoting the development of intestinal tracts of piggies at a weaning period. The concentrated feed consists of the following components in parts by weight: 150-200 parts of rice protein powder, 100-180 parts of puffing soybean flour, 150-200 parts of fish meal, 120-280 parts of whey powder, 90-180 parts of plasma protein powder, 90-180 parts of dried porcine solubles, 100-200 parts of glucose, 100-200 parts of white sugar, 20-45 parts of soybean oil, 30-50 parts of dicalcium phosphate, 60-90 parts of calcium formate, 8-10 parts of lysine, 3-5 parts of methionine, 10-20 parts of threonine, 10-20 parts of composite trace elements, 2-5 parts of composite vitamins, 1-2 parts of probiotics, 1-2 parts of glucose oxidase, 1-2 parts of tributyrin, 5-8 parts of organic composite acid, 0.5-1 part of an enzyme preparation, 1-2 parts of a phagostimulant and 5 parts of a Chinese herbal medicine additive. The feed disclosed by the invention can effectively promote the development of intestinal villus, reduce the diarrhoea of the piggies at the weaning period, improve the weight increment of the piggies, improve the physiological functions, improve the later stage growth rate of the piggies, and promote the digestion and the utilization of the feed.

The invention discloses a breeding method for piglets. The method comprises the specific steps of (1) breeding during 1-5 days old, (2) breeding during 6-25 days old, (3) breeding during 26-60 days old, (4) controlling the temperature and humidity of a pig house, (5) conducting disinfection on the pig house, and (6) controlling diseases. According to the breeding method for the piglets, after tooth break treatment is conducted on the piglets, gingivae of the piglets are wiped with wiping liquid, and damages to the gingivae and teeth roots during tooth break are effectively remedied, so that the influence of edema pain and swelling pain of the gingivae on breast feeding of the piglets can be avoided. The breeding method for the piglets reasonably improves the ingredient composition of teach slot material and piglet material and a feeding way, the teach slot material and the piglet material are not only balanced in nutrition, good in palatability and capable of improving piglet intake, but also promoting quick development of digestive tracts, and reducing abrasion of intestinal villus and the diarrhea rate of the piglets by 22-25%; regular injection of vaccine can effectively reduce the disease rate, therefore, the survival rate of weaned piglets is improved, the slaughter time is shortened, and the ratio of the breed profit to the cost is improved.

The invention discloses application of magnolol and / or honokiol in poultry farming, and belongs to the technical field of livestock and poultry farming. Application of magnolol and / or honokiol in daily ration of poultry can promote development of intestinal villi of poultry and increase intestinal villi height and villi / crypt ratio; and adverse effects of common intestinal pathogen infection, stress and the like of poultry on chicken intestines and production performance can be remarkably improved. The invention also discloses a feed additive which takes the magnolol and / or the honokiol as a main component and replaces antibiotics.

The invention discloses a bionic duodenum and a preparation method thereof, and belongs to the technical fields of bionics and biology. The bionic duodenum is prepared by mixing a substrate (one or more of silica gel, latex or hydrogel) and auxiliary materials (silicone oil and / or a curing agent) according to a certain mass ratio and then smearing the mixed material into a precise human intestinaltract anatomical model duodenum of the medical digestive department. The bionic duodenum is excellent in simulated performance and is in the shape and physiological structure of the actual human duodenum, and can simulate the digestive environment in the human duodenum actually, for example, the inside of the bionic duodenum is provided with annular wrinkles, the superficial area in the intestinecan be increased, and microbial floras in the duodenum are allowed to better digest and absorb food. Meanwhile, the bionic duodenum is internally provided with intestinal villi, and the intestinal villi are of a hollow structure, intestinal juice can be secreted, and the function of digestion and absorption in the duodenum is greatly achieved again.

The present invention discloses a nursery feed using ideal fat raw materials to improve a production performance of nursery pigs and a preparation method thereof. The nursery feed comprises 30-55% of corns; 10-18% of soybean meal; 4-8% of fermented soybean meal; 2-5% of super steamed fish meal; 0-10% of whey powder, 2-5% of dried porcine solubles; 2-5% of glucose; 0-2% of soybean oil; 2-5% of high-effect raw materials; 0.3-0.4% of an acidifier; and 4% of a pre-mixed feed at 4%. The high-effect raw materials are ideal feed fat raw materials prepared by the following steps: pre-hydrolyzed balanced vegetable oil is fully homogenized and emulsified, and the high quality extruded corns are combined, fatty acids are totally emulsified and the emulsified fatty acids can be completely absorbed, and the nursery feed can increase the energy demands of intestines of the suckling piglets and overcomes the intestinal villus membrane atrophy and damage during the weaning of the suckling piglets. The nursery feed is suitable for the nursery pigs at 35-70 days old, can meet the nutritional requirements of the nursery pigs, improves the fat digestibility and utilization, and accelerates the intestinal health development and production performance of the nursery pigs.

The invention relates to a feed additive for regulating and repairing broiler intestines and a preparation method of the feed additive and belongs to the technical field of poultry feeding. The feed additive comprises components such as sodium butyrate, butyrate and clostridium butyricum, and the broiler intestines can be regulated and repaired, so that the intestinal villus height is improved by about 120 percent, the crypt depth of the broiler intestines is reduced by 50 percent, V / C is improved, the number of harmful bacteria in the broiler intestines is reduced, intestinal development of the broilers is promoted, absorption of nutrient substances is improved, and the immunity of the broilers is improved, so that excessively feeding or ascites syndrome can be solved or improved, the survival rate, feed digestibility and culture benefits of the broilers are improved, and huge economic benefits are brought. Compared with a control group, the feed additive has the advantages that the broiler growth speed is improved by 13 percent, a death elimination rate is reduced by 70 percent, a feed conversion ratio is improved by 4 percent, and the income of a broiler is increased by 0.6yuan after the feed additive is added.

The invention discloses a plant extract additive for improving intestinal health of livestock and poultry, and belongs to the field of feed additives. Intestinal tracts are digestion and absorption places of livestock and poultry nutrient substances, intestinal tract damage certainly causes diarrhea, diarrhea and the like, the phenomena of low feed conversion rate, reduced growth performance and the like are caused. The plant extract additive comprises the following main components: 10-30 parts of a plant essential oil compound, 10-30 parts of plant polysaccharide, 10-20 parts of medium and short chain fatty acid and 50-70 parts of a carrier, wherein the plant essential oil compound is prepared by mixing one or more of cinnamyl aldehyde, thymol, carvacrol, eugenol and allicin according to a specific proportion; the plant polysaccharide is prepared by mixing one or more of astragalus polysaccharide, ganoderma lucidum polysaccharide and gingko polysaccharide according to a specific proportion; and the medium and short chain fatty acid is prepared by mixing one or more of caprylic acid, capric acid and lauric acid according to a specific proportion. Breeding test results show that the plant extract compound feed additive has the functions of obviously improving intestinal flora structures of the livestock and poultry, promoting intestinal villus development and the like besides remarkable anti-inflammation and sterilization effects. The feed additive has the characteristics of wide antibacterial spectrum, difficulty in generating drug resistance, no pollution to the environment and the like, can effectively kill harmful bacteria in intestinal tracts of livestock and poultry, also has the effects of promoting intestinal villus development, intestinal barrier repair and the like, improves the digestion and absorption of organisms on nutrient substances, enhances the disease resistance of flora and improves the breeding benefits of the livestock and poultry.

The present invention provides herbal compositions comprise Radix Dioscoreae, Radix Codonopsis, and Radix Astragalus Membranaceus. The herbal compositions are used to suppress intestinal glucose uptake of intestinal villus and decrease blood glucose levels. The present invention also provides methods of regulating blood glucose levels by administrating the herbal compositions.

The invention discloses a moringa oleifera extract for promoting intestinal growth and a preparation method and application thereof. The preparation method includes the following steps of extracting moringa oleifera through ethyl alcohol, and extracting and layering an extraction solution through ethyl acetate to obtain an ethyl acetate extraction solution; concentrating the ethyl acetate extraction solution, putting a sample on a silica gel chromatographic column, conducting elution through a petroleum ether-acetone system, conducting elution through methyl alcohol, and collecting a methyl alcohol elution solution; putting a sample on large-pore adsorption resin after concentrating the methyl alcohol elution solution, conducting elution through ethyl alcohol, collecting an ethyl alcohol elution solution, and conducting concentration and drying to obtain the moringa oleifera extract. The moringa oleifera extract has the advantage that intestinal growth and intestinal villus growth can be effectively promoted.

The invention relates to a fiber metal laminate for enhancing composite interface connection and a preparation method thereof. The fiber metal laminate comprises a metal laminate and a fiber prepreg tape layer, the metal matrix surface microstructure is composed of micron-sized bidirectional corrugations similar to a human intestinal villus structure and a seta structure on a gecko foot and nano-sized corrosion holes connected with the corrugations. According to the structure, the defects of a traditional physical surface treatment mode of a metal matrix of the fiber metal laminate can be overcome, the connection performance of a composite interface between the metal laminate and the fiber prepreg tape is enhanced, and the problems of layering and degumming easily occurring in the preparation and forming process of the fiber metal laminate are solved. According to the invention, a human intestinal villus structure and a seta structure on a gecko foot are used for reference, large-area molecular contact can be realized when the metal laminate is in contact with any surface by utilizing the micron-sized bulges, and weak Van der Waals interaction is converted into huge adhesive force, so that the composite interface connection performance between the metal laminate and the fiber resin layer is improved, and the service life of the metal laminate and the fiber resin layer is prolonged. And the glue failure or layering defect is effectively improved.

The invention discloses a feed for hybrid fish. The feed includes fish meal, soybean meal, rapeseed meal, wheat bran, wheat middling, monocalcium phosphate, a premix (including the following components: CuSO4.5H2O, FeSO4.7H2O, ZnSO4.7H2O, MnSO4.4H2O, Na2SeO3, KI, vitamin A, vitamin D, vitamin E, vitamin K3, vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin C, nicotinic acid, pantothenic acid, folic acid and choline), salt, soybean oil, and an adhesive. The invention also discloses a preparation method of the hybrid fish feed and application of the hybrid fish feed in increasing weight gain rate of megalobrama amblycephala and culter alburnus hybrid and backcross descendants, reducing feed coefficient, increasing intestinal villi, enhancing specific growth rate and improving the expression of trypsin gene TRY, chymotrypsin gene CTRL1 and pancreatic elastase gene ELA1.

The invention discloses a mixed fermentation fiber feed for feeding of laying hens, and a preparation method of the mixed fermentation fiber feed. The feed is prepared from the following raw materials in parts by weight: 1 part of a microzyme mixed fermentation product A of citrus residues, oat bran and alfalfa, 1-3 parts of a lactic acid bacteria mixed fermentation product B of citrus residues, oat bran and alfalfa, and 2-3 parts of a bacillus mixed fermentation product C of citrus residues, oat bran and alfalfa. Through the mixed fermentation of the citrus residues, the oat bran and the alfalfa, when the fermentation fiber feed is applied to a chicken feed, the development of intestinal villus and the depth of crypts of chickens can be obviously improved, and digestion functions and the health state of intestinal tracts are improved.

The invention discloses a primary intestinal cell based in-vitro intestinal model and a construction method and application thereof. The method includes: taking an electrospun nanofiber film as a carrier material of intestinal cells, performing inoculation of separated intestinal cells to the surface of the carrier material, and culturing until a complete intestinal cell layer is formed and intestinal villi are differentiated, so that the in-vitro intestinal model with perfect bioactivity and physiological functions is obtained. On the basis of a three-dimension structure, similar to the structure of a natural extracellular matrix, of the electrospun nanofiber film, bionic simulation of the structure of the natural extracellular matrix is realized, and adhering and growing performances ofprimary intestinal cells on the surface of the carrier material are remarkably improved. The constructed model is capable of simulating the real intestinal tract and can be extensively used for analyzing absorption and transferring of nutrient substances and pharmaceutical components to quickly and accurately evaluate nutrient substance and medicine absorptivity and bioavailability, and the modelcan also be used for assessment of colonization or interaction of intestinal microorganisms and can be applied to tissue engineering.

The invention relates to a newborn piglet intestinal villus epithelium primary cell strain preparing method and belongs to the biotechnological field. With the small intestine section of a newborn piglet as the raw material, the quick, convenient and high-efficiency newborn piglet intestinal villus epithelium primary cell strain preparing method is provided. Passage of a prepared pig intestinal villus epithelium primary cell strain can be conducted for over 20-30 generations. By the adoption of the method, a large number of healthy, single and purified pig intestinal villus epithelium primary cells can be prepared within a short period of time to be used for experimental study in the fields such as cytobiology, preventive veterinary medicine, virology, immunology and animal nutrition or pig dysentery viral vaccine production and antigen preparation. Meanwhile, the healthy, single and purified pig intestinal villus epithelium primary cell strain is prepared for the first time, the problem that the single and purified pig intestinal villus epithelium primary cell strain is unavailable in the life science research field is solved, and the method has a positive effect.

The invention provides a nutritional prophylactic for turbot enteritis. The nutritional prophylactic contains 20%-30% by mass of mannan oligosaccharide and 70%-80% by mass of sodium butyrate. The invention further provides an application of the nutritional prophylactic to preparation of turbot feed. The nutritional prophylactic for turbot enteritis is used before feeding with feed containing turbot enteritis-inducing anti-nutritional factors and plant protein sources, and can remarkably reduce occurrence of turbot enteritis. Specifically, the nutritional prophylactic can remarkably increase intestinal villus height, reduce intestinal villus adhesion, reduce infiltration of inflammatory cells on lamina propria and submucosa and increase vacuoles absorbed on epithelia cell nuclei. Compared with antibiotics for treatment, the nutritional prophylactic for turbot enteritis is safer and more reliable.

A multi-vitamin nutrient selenium-rich eco-feed for laying hens is made with an energy material, a protein material, a nutrient supplement, a Chinese herbal material and a mineral material; specifically by weight, the energy material includes 45-65 parts of corn, the protein material includes 5-25 pats of soybean meal 1-10 parts of DDGS (distillers dried grains with solubles) feed, 0.1-10 parts ofearthworm hydrolysate and 0.1-5 parts of yeast hydrolysate, the nutrient supplement includes 0.5-7 parts of red beet powder and 0.5-10 parts of carrot powder, the Chinese herbal material includes 0.1-5 parts of radish herb powder, 0.1-5 parts of hawthorn fruit powder and 0.01-0.1 part of origanum oil, the mineral material includes 0.1-0.3 part of edible salt, 5-10 parts of shell powder, 1.5 partsof bone meal, and 0.01-0.05 part of yeast selenium. The different absorption channels and mechanisms of animal intestinal villus cells are made full use, protein nutrient absorbing efficiency is improved, and productivity of animals is increased.

The invention provides magnesium-containing water-soluble omega-3 fatty acid, and relates to the technical field of omega-3 fatty acid. The magnesium-containing water-soluble omega-3 fatty acid is modified alpha-linolenic acid. The omega-3 fatty acid disclosed by the invention has the beneficial effects that the omega-3 fatty acid is rapidly dissolved in water, can be directly brewed with water for drinking, and is beneficial to absorption by intestines and stomach; and the omega-3 fatty acid is beneficial to length increase of small intestine villi and enhancement of the digestion and absorption functions of small intestine, and the magnesium element can also be supplemented while the alpha-linolenic acid is supplemented.

The invention provides an immunization enhanced type piglet early-stage fodder. A method does not use plasma protein powder or intestinal villus protein powder in a fodder formula and adopts wall-broken and enzymolysis bee pollen; and the adding amount of the wall-broken and enzymolysis bee pollen is converted to 0.5-6 kilograms / ton according to a complete feed. The immunization enhanced type piglet early-stage fodder has the technical effects of improving the immunity of pig groups and improving the survival rate of pigs; and a lot of tests and inspections in a pig farm show that the average daily-increasing amount and the survival rate of nursery pigs are obviously improved, the slaughtering weight is increased, the morbidity is greatly reduced and the medicine use cost is reduced.