260 results about "Acidifier" patented technology

The invention discloses a slowly-released compound acidifier for poultry and livestock feed, a preparation method thereof and feed containing the same. The compound acidifier comprises the following compositions in part by weight: 30 to 80 parts of complex organic acid, 15 to 50 parts of supplementary materials and 5 to 20 parts of coating agents. The complex organic acid is citric acid, fumaric acid, malic acid, lactic acid, linoleic acid, crataegolic acid, ursolic acid, chlorogenic acid, glycyrrhizic acid and oleanolic acid, and the supplementary materials are silicon dioxide, hydroxypropyl methylcellulose and ethyl cellulose. The acidifier is scientifically proportioned, has strong efficiency and is long-acting and slow-releasing, nutrients in the feed are free from being damaged, the acidifier has good fluidity and is easy to be uniformly mixed with the feed, the digestive absorption of nutrients can be promoted, the conversion rate of the feed can be improved, the productivity of poultry and livestock can be improved, the time for domestic animals for sale can be effectively shortened, the health of gastrointestinal mucosa of the animals can be protected, the immunologic function of the animals can be strengthened, and diseases can be prevented.

The invention provides a pig feed capable of preventing piglets from diarrhea. The pig feed comprises a feed carrier, nano-montmorillonite, acidifier, a probiotic additive, propolis, fish meal, zinc sulfate, chromium nicotinate, methionine, lysine, choline chloride, salt, vitamin A, vitamin E, riboflavin and a traditional Chinese medicine feed additive. The use of the pig feed can decrease diarrhea rate, reduce the occurrence of diseases, promote the fast growth of piglets and increase economic benefits of farmers.

The invention discloses a method for producing a complex micro-ecological preparation with microbial agents and enzyme. According to the action principles and characteristics of every microbial strain, the method adopts scientific combination and adds enzyme preparations and acidifier to enable microorganisms in the product to grow rapidly and take dominance in fermented feed and animal bodies so as to reduce the growth opportunity of miscellaneous bacteria. The preparation comprises the following components: bacillus subtilis, lactobacillus plantarum, candida utilis yeast, lactobacillus acidophilus, protease, amylase, cellulase, xylanase, mannanase, galactosidase, pectinase and citric acid. As all strains of the product adopt liquid deep fermentation culture, the non-polluting property of the product is guaranteed. Liquid microbial agents ensure that the number of bacterial colonies of the product is more than 100 million and the product is free from the pollution of other miscellaneous bacteria, while solid microbial agents ensure that the number of bacterial colonies of the product is more than 1 billion and the proportion of miscellaneous bacteria to effective bacteria is not more than 0.0001. The preparation contains bacillus, lactic acid bacteria and yeast, can apply to the processes of making green-yellow storage feed, fermenting feed, soaking feed, and the like, can be directly added to feed for feeding, and can improve the growth performance of ruminant animals, poultry, pigs, aquatic products and special animals.

The invention relates to enveloping acidifier and the preparation method thereof. The enveloping acidifier comprises acidifier solid microparticles and an enveloping layer on the surface of the acidifier solid microparticles, wherein the enveloping layer comprises an ethyecellulose (EC) and hydroxypropyl methyl cellulose (HPMC) composite layer and an enteric-coated polyacrylic resin layer. In theinvention, sustained-release coating material with good film forming property and the coating process are adopted, so that excessive enveloping material consumption is avoided, the weight of the acidifier solid microparticles is increased slightly, the large total effective acid of the acidifier is kept, and the acidifier has good sustained-release effect.

The invention discloses a special gestation compound feed for sows at later stage of pregnancy. The special gestation compound feed is prepared from the following raw materials: corn, bran, rice bran meal, DDGS (dried distiller grains with soluble), swelling soya dregs, swelling soybean flour, fermented soybean meal, compound sugar, mountain flour, calcium hydrogen phosphate, choline chloride, common salt, compound premix, L-lysine hydrochloride, L-threonine, acidifier, clostridium butyricum and yeast cell wall polysaccharides. The invention, starts from nutrition of the sows at the later stage of the pregnancy, gives consideration to the growth of fetuses and the physiological characteristics of the sows per se, designs daily ration with high protein, high amino acid and low energy, adds the compound sugar constituted by different monosaccharides and disaccharides, and can provide energy which can be utilized quickly and improve the birth weight and the uniformity of piglets; and by adding the clostridium butyricum and the yeast cell wall polysaccharides, the special gestation compound feed can improve the intestinal health of the sows, improve immunity, regulate intestinal peristalsis, reduce the constipation incidence of the sows, shorten the labor stage of the sows, reduce the incidence rate of mastitis and endometritis of the sows, and assist the sows in rapid postpartum recovery.

The invention discloses a method for producing bentonite cat litter by calcium-based bentonite. The method comprises the following steps of: grinding, acidification, sodium-modification, forming, drying and the like. In method, the calcium-based bentonite crude ores are used as a starting point, the bentonite slices are acidified and corroded by an acidifier so as to greatly increase a specific surface area of the bentonite, a sodium-modification agent is used for sodium-modification of the acidified calcium-based bentonite so as to improve a water absorption rate and bonding property of the bentonite, other additives such as wood flour and diatomite are added so as to adjust indexes, such as density and whiteness, of the cat litter, and finally the bentonite undergoes granulation, drying, screening and the like to form the bentonite cat litter having the advantages of quick water absorption, large amount of water absorption, high whiteness and high strength. The method has the advantages of good quality of the bentonite cat litter prepared by the method, simple process and low cost.

The present invention relates to a feeding acidifier prepared by emulsifying technology and a preparing method thereof. The invention belongs to the technical field of animal feed additive preparing. The feeding acidifier comprises the following components according to content: 8-20 parts of lemon acid; 5-20 parts of fumaric acid; 10-15 parts of phosphoric acid; 5-20 parts of malic acid; 15-25 parts of lactic acid; 6-15 parts of formic acid; 2-10 parts of acetic acid; 2-5 parts of mouthfeel modifying agent; and 3-5 parts of silicon dioxide. The invention provides a novel preparation form of acidifier and combines the physical and chemical properties of shaping material for developing the novel producing technique of acidifier according to the sustained-release control principle. The feeding acidifier prepared according to the emulsifying technique of the invention effectively settles the problem of stomach digesting of acidifier and the effect directly gets to the intestinal canal. The feeding acidifier prepared by emulsifying technology according to the invention has the advantages of reliable safety, excellent free-running property, strong moisture absorption resistance, convenient processing, growth promotion, diarrhea prevention, etc.

Described herein are compositions comprising an acidifier intermixed with an emulsifier and a co-surfactant that form stable microemulsions in water. Also described are methods of dispersing a compound in an aqueous solution using the compositions of the present invention.

The invention provides a non-antibiotics compound feed for a suckling pig. The non-antibiotics compound feed comprises the following components in parts by weight: 430 to 450 parts of extruded corn, 80 to 90 parts of fermented soybean meal, 150 to 160 parts of expanded soybean meal, 150 to 180 parts of milk powder with high protein, 20 to 30 parts of plasma protein, 1 to 3 parts of yeast nucleotide, 40 to 50 parts of super steamed fish meal, 12 to 15 parts of monocalcium phosphate, 1.5 to 1.75 part of 50% choline, 25 to 30 parts of saccharose, 3 to 5 parts of composite acidifier, 5 to 8 parts of stone powder, 3 to 5 parts of 98.5% L-lysine, 2 to 3 parts of table salt, 1 to 1.5 part of threonine, 0.2 to 0.3 part of 98.5% DL-methionine, 0.5 part of multifunctional complex enzyme preparation, 0.4 part of decavitamin for pig, 0.25 part of antioxidant, 0.2 to 0.3 part of combined microecologics, 1 to 1.5 part of nanometer montmorillonite, 1 part of plant extract, and 2 parts of compound trace element.

The invention discloses a pig intestine nursing healthcare type compound feed and a preparation method thereof. The feed is prepared by the following components of corn, expanded bean pulp, expanded soybean flour, fermented bean pulp, white fish meal, flour, soybean oil, soybean lecithin oil, expanded corn, zeolite powder, calcium hydrophosphate, calcium formate, choline chloride, salt, sucking pig compound premix, acidifier, lysine, methionine, threonine, tryptophan, zinc oxide, medicated premix, monosodium glutamate, Taiweimei, montmorillonite and phytase. The feed is capable of satisfying all the nutritional requirements of the nursed pigs and has high feed conversion rate. According to the feed, the weaning stress of the nursed pigs is considered, the slow-release creep feed is linked and the intestine healthcare problem of the nursed pigs is emphasized; and an intestine adjusting feed additive is selected, so that the diarrhea rate of the sucking pigs is reduced by 50-80%, the pig body structures can be improved at the same time, the pig skeletons are stretched and a foundation is laid for the rapid fattening of the pigs.

The invention discloses combined feedstuff for a weanling anthony pig in the early stage. The combined feedstuff comprises the following four stages of feedstuff: the feedstuff used in the first 3 days after weaning, the feedstuff used in the 4th to 11th days, the feedstuff used in the 12th to 24th days, and the feedstuff used in the 25th to 50th days. According to the number of weaning days and the physiologic tendency of the weanling anthony pig in the early stage, the feedstuff with different components is prepared so as to ensure the reasonable nutrition of the anthony pig. The combined feedstuff has high nutrient concentration, good palatability, easy digestion and absorption, low cost and a high conversion rate. In addition, the combined feedstuff has the low content of antigen component and the high content of immunity component, and uses a proper amount of acidifier so as to reduce the weaning stress and improve the survival rate of the anthony pig.

The invention relates to a plant-derived piglet feeding attractant. The technical scheme adopted is as follows: the attractant comprises the following raw materials in percentage by weight: 30 to 50 percent of puffed cereal, 10 to 20 percent of flour, 10 to 20 percent of fermented soybean meal, 3 to 5 percent of wheat protein isolate, 3 to 6 percent of milk powder, 5 to 10 percent of lactose, 0.5 to 1 percent of acidifier, 3 to 6 percent of vegetable oil, 1 to 2 percent of calcium additive, 0.1 to 0.3 percent of salt, 1.0 to 2.0 percent of amino acid, 0.1 to 0.3 percent of composite trace element, and 0.03 to 0.08 percent of composite vitamin. The plant-derived piglet feed attractant is applied to piglet feeding attraction, can effectively improve the feed intake before and after a piglet weans, improve the weight before weaning and the weight 14 days after weaning, reduce the diarrhoea rate of the piglet after weaning so that the weaned piglet effectively overcomes weaning stress, and has important significance in improving the piglet production performance and survival rate.

The invention relates to a chewing soft capsule shell, a chewing soft capsule drug and a prepration method thereof. The soft capsule shell consists of the following raw materials: 25-35 wt% of gelatin, 15-25 wt% of glycerol, 35-50 wt% of purified water, 0.1-1 wt% of sodium alginate, 0.1-1 wt% of carrageenan, 0.1-1 wt% of pectin, 1.5-2.5 wt% of sorbitol and 2-5 wt% of polyvinyl alcohol 400. The chewing soft capsule shell further comprises the following components: 0.1-0.3 wt% of sweetener, 0.2-0.4 wt% of acidifier, 0.001-0.01 wt% of spice, 0.001-0.01 wt% of preservative and 0.001-0.01 wt% of pigment. The soft capsule shell prepared by the raw materials has the advantages of small mechanical strength and toughness, and the invention further provides the method for preparing the chewing soft capsule drug.

The invention relates to a protective feed acidifier, comprising 40-50% (weight) of phosphate or pyrophosphate, 12% to 20% (weight) of lactic acid or lactic acid anhydride, 12% to 18% (weight) of stearic acid or monoglyceride or double-monoglyceride and 25% to 30% (weight) of 20 to 60 meshes silica, wherein the phosphate or the pyrophosphate is mixed with the lactic acid or the lactic acid anhydride, and then absorbed with the silica; the stearic acid or the monoglyceride or the double-monoglyceride is coated outside as a coating; preferably, comprising 40% weight of the phosphate, 12% weight of the lactic acid, 18% weight of the stearic acid and 30% weight of silica; or 41% weight of the phosphate, 20% weight of the lactic acid, 13% weight of the stearic acid and 26% weight of the silica. The invention further provides a relative processing method. The protective feed acidifier is clever and unique in design, thereby improving stability, palatability and utilization of the feed, protecting digestive tract of animals, and reducing diarrhoea rate of piglets. The feed acidifier is suitable for large-scale promotion application.

The invention relates to chitosan gel for women. The chitosan gel for women is obtained by mixing chitosan with specific molecular weight and degree of deacetylation, glycerol, acidifier and purified water in a gelatinization manner and then sterilizing. The chitosan gel for women, provided by the invention, has good adhesive power, uniform colour and lustre and stability, and has the advantages of good curative effect, safety, natural property, good biocompatibility and the like when used for treating monilial vaginitis, bacterial vaginitis, mixed vaginitis, cervicitis, cervical erosion and the like of women. The invention also relates to a preparation method and medical application of the chitosan gel for women.

The invention discloses a creep compound feed for piglets. The compound feed is prepared from the following raw materials in percentage by weight: 13-18% of corn, 23-27% of flour, 10-13% of broken rice, 15-20% of soybean meal, 1.5-2.5% of soybean oil, 6-10% of whey powder, 5-10% of glucose, 3-5% of plasma protein powder, 2-5% of fish meal, 2-5% of dried porcine solubles, 0.4-0.8% of calcium dihydrogen phosphate, 0.08-0.15% of common salt, 0.06-0.15% of sodium butyrate, 0.2-0.5% of acidifier, 0.05-0.15% of emulsifier, 0.02-0.05% of microecological matters, 0.03-0.07% of choline chloride and 0.8-1.5% of premix, wherein the sum of the percentages by weight of all the raw materials is 100%. The preparation method comprises the following steps: weighing all the raw materials in percentage by weight, and pouring into a pulverizer for pulverization, wherein the pulverization particle size is 30 meshes; and pouring into a mixing machine and uniformly mixing. The creep compound feed for the piglets, disclosed by the invention, has the beneficial effects of meeting the nutritional needs of the piglets during the creep period, being good in palatability and high in digestibility, and effectively preventing loss of flesh due to ablactation, diarrhea and underweight of the piglets.

The invention relates to child care pig compound feed without a tensile body, and the child care pig compound feed is prepared from the following components: corn, peeled soybean meal, puffed soybean meal, fermented soybean meal, steam white fish meal, flour, soybean oil, mountain flour, calcium hydrogen phosphate, edible salt, child car pig compound premix, coated slow-release acidifier, L-lysine hydrochloride, DL methionine, L-thronine, tryptophan, octanoic / decanoic acid glyceride, yeast nucleic acid, xylo-oligosaccharides, sodium glutamate, sodium butyrate, the root of Chinese pulsatilla, coptis chinensis, golden cypress, ash bark, choline chloride and phytase. The child care pig compound feed without the tensile body provided by the invention starts from the physiological characteristics of a child care pig, adopts multiple combinations of raw materials, is complementary in nutrition, designs amino-acid-balanced, calcium-phosphate-balanced and electrolyte-balanced daily ration, adds no antibiotic, adopts medium-chain fatty acid and natural Chinese herbal medicine additive for health protection, and can be used for improving food consumption of the child care pig, reducing the feed conversion ratio, improving intestinal health of the child care pig, improving immunity and drawing a skeleton of the child care pig, so that a good foundation is laid for later-stage growth.

Aqueous concentrates of non-toxic corrosion inhibitors, preferably storage-stable, useful in acidic cleaning solutions for cleaning the surfaces of metal that contacts food or potable water, the concentrates comprising at least one polymer, which may be protein-derived or synthetic; at least one iodine ion providing compound; an acidifier; and optionally, at least one anionic, nonionic or amphoteric surfactant; at least one coupling agent; and a pH adjuster; the concentrates being substantially free of nonylphenol derivatives and compounds containing elemental iodine and providing an improved acid inhibition and less foaming than similar compositions comprising nonylphenol derivatives and elemental iodine when mixed with aqueous acidic cleaners; acidic solutions prepared therefrom; and methods of their use.

The invention relates to a concentrated feed for nursery pig, belonging to the animal feed field, comprising an energy source, a protein source, amino acid additive, organic trace element and inorganic trace element, vitamin additive, acidifier, immunopotentiator, wherein the protein source comprises peeled expanded bean pulp, super vapor fish powder, fermented bean pulp, and the amino acid additive comprises threonine, and the organic trace element comprises ferro amino acid complex, zinc amino acid complex and the inorganic trace element comprises ferrous sulfate, zinc sulfate, copper sulfate, manganese sulfate, sodium selenite, cobaltous chloride, calcium iodate, and the acidifier comprises organic acid and salt of organic acid and the immunopotentiator uses astragalus root and honeysuckle as the main raw material. The feed is capable of keeping the nursery pig with strong immunity, suppressing the elements result in low immunity, thus the survival rate and the move weight of nursery pig fed by the concentrated feed are obviously superior to the prior other feeds of the same type. The concentrated feed for nursery pig has obvious economic benefit to the pig farm.

The present invention discloses a rapeseed meal enzyme-linked micro-ecological preparation and a solid fermentation method of rapeseed meal. The preparation comprises ingredients: xylanase, beta-glucanase, galactosidase, beta-mannanase, cellulase, phytase, acid protease, neutral protease, papain, alkaline protease, amylase, lactic acid bacteria, bacillus, yeasts, starch and polysaccharides. The preparation is prepared by mixing the various enzyme preparations with the fermentation micro-organisms, reduces the use of an acidifier, reduces production costs, and at the same time enhances decomposition and detoxification effects of the preparation. A produced fermented rapeseed meal feed product is rich in 3-15% of lactic acid; glucosinolate is reduced by 80% or more and toxic effects on livestock and poultry are significantly reduced; crude proteins are increased by 1-2% and a consumption of non-protein materials is ensured; a small peptide content is increased to 15-25% and utilization of animals for feed proteins is effectively improved; and bitter substances in the rapeseed meal are effectively removed and a tannin degradation rate is 60% or more.

The invention features a system for treating liquid including a liquid treatment device comprising adsorbent media for removing a substance from liquid and a pH adjuster device located upstream of the liquid treatment device relative to a direction of flow of the liquid. The pH adjuster device contains particulate or solid state pH adjuster material capable of releasing H or OH groups into the liquid or consuming H or OH groups from the liquid effective to raise or lower the pH of the liquid while it passes through the media. The pH adjuster may include acidifier or basifier material. Also featured is a method of using the device to remove a substance from liquid by adsorption and / or ion exchange.

The invention relates to a method for separating cow milk beta-casein and whey protein at the low temperature through microfiltration to simulate composition of human lactoprotein. Skim milk, whole milk, dried skim milk, concentrated milk protein powder and the like are taken as raw materials, decalcification pretreatment is performed with the adoption of citrate, glucono-delta-lactone and other chelating agents or an acidifier, microfiltration and filter wash are performed with the adoption of a ceramic membrane or a polyethersulfone membrane and the like under the low-temperature (0-15 DEG C) condition, beta-casein and whey protein are selectively enriched into a permeating liquid, the permeating liquid is subjected to spray drying and dewatering after lactose and mineral substances are removed through ultrafiltration and concentration, and high-protein powder containing rich beta-casein and whey protein is prepared. An adopted technical process has the characteristics of being environment-friendly, efficient, high in operability, good in safety and the like and is suitable for large-scale industrial production. The obtained compound protein powder can serve a novel functional lactoprotein ingredient to replace whey protein and is used for research and development of infant food such as formula milk powder and the like, so that the protein molecule composition of the compound protein powder is closer to that of human lactoprotein.

The present invention disclosed a liquid acidifier and making method. The present invention comprises organic acids and relevant soluble salts. After the organic acids and the relevant soluble salts are treated by the following procedures of heating, melting, mixing, removing bacteria, filtrating and so on, the liquid acidifier is made. The content of organic acids is over 70percent, which can reduce the pH value of drinking water and intestine, can prevent the harmful flora, can restrain the growth of the salmonella, at the same time can improve the stress ability of the animals, can reduce the death rate and promote the growth rate, and can enhance the absorption rate and conversion of feed. The present invention provides a new idea for developing a compound acidifier.

The invention discloses a compound acidifier for feed, and a preparation method and application of the acidifier. The preparation method of the compound acidifier comprises the following steps of: mixing and stirring phosphoric acid with weight percentage of 40%-50% with citric acid or fumaric acid with weight percentage of 30%-40% at 40 DEG C to 60 DEG C, thus obtaining a uniform compound acid solution; and adding sodium diacetate with weight percentage of 10%-30% to the compound acid solution, thus obtaining the compound acidifier for the feed after sufficiently dissolving and uniformly mixing the sodium diacetate. The compound acidifier for the feed provided by the invention has the simple preparation method and stable quality, is convenient to popularize and apply, can be applied to livestock and in particular early-weaning piglets, and can make up the shortage of gastric acid secretion and improve the digestive absorption capacity of animals to promote the growth of the animals and improve the production performance of the animals.

The invention discloses a feed for a sow in late pregnancy. The feed comprises the following ingredients in parts by weight: 50-60 parts of corn, 10-15 parts of bran, 30-40 parts of fermented rice bran, 12-18 parts of dry fermented chicken manure, 3-4 parts of shell powder, 1-2 parts of yeast powder, 0.3-0.5 part of calcium bicarbonate, 3.2-3.8 parts of sugarcane leaf extract, 0.8-1.2 parts of litsea coreana powder, 0.1-0.3 part of charcoal, 3-8 parts of modified attapulgite, 0.3-0.5 part of salt, 2-3 parts of black soya bean, 3-4 parts of euphorbia thymifolia, 3-4 parts of Paederia scandens, 3-4 parts of Centella asiatica, 3-4 parts of Radix Boehmeriae, 1-3 parts of longan leaf, 4-5 parts of garlic, 0.2-0.4 part of bamboo leaf extract, 1-2 parts of banana peel freeze drying powder, 0.05-0.15 part of multi-vitamins, 0.4-0.6 part of premix compound, 3-5 parts of composite acidifier, 0.002-0.004 part of organic selenium, 0.10-0.20 part of lysine, and 0.10-0.20 part of aminoglutaric acid. The feed for the sow in late pregnancy disclosed by the invention is overall in nutrition; and the composite acidifier and the modified attapulgite are added, so as to improve the resistance of the sow and reduce the incidence rate. The produced piglet is high in survival rate, even in weight and bright in fur and feather.

The invention discloses a piglet compound feed for increasing the feed intake and a preparation method thereof. Based on the physiological characteristics of piglets, multiple raw materials are combined for nutrition complementation, and the daily ration with amino acid balance, calcium-phosphorus balance and electrolyte balance is designed; the internal environment of the stomach of the piglet is adjusted by the double effects of an enveloped sustained-release acidifier and a compound Chinese herbal medicine additive, and the secretion of digestive enzyme is stimulated; in cooperation with a proper amount of sodium sulfate for purgation, the feed intake of the piglet is increased, the utilization rate of the feed is improved, the feed intake of the piglet can be increased by 10-15%, and the feed conversion ratio is reduced by 0.05-0.10%; moreover, the intestinal health of the piglet can be improved, the immunity is enhanced, and the piglet has good body type and sensory smooth and bright hair.

The invention relates to an emission reduction dry-type culture method for producing nonreactive pork. The method uses pig feeds, which contain feedstuff additive premix, and active water agent to feed the pigs. An organic adhesive layer is laid inside a pig shed. The active water agent contains natural plant extract and bacillus subtilis, and is drunk by the pigs through a leak protection and filtering water device arranged inside the pig shed. The feedstuff additive premix contains NSP enzyme, micro-ecological agent, plant extract and acidifier. The method can prevent the pigs from having intestinal bacteria and viral diseases and respiratory diseases, and reduce the discharge of fecaluria and living water, harmful gas produced by pig fecaluria and stench, and through which prevents the breeding of flies. At the same time of producing nonreactive port, the method can reduce the pollution caused by excreta.

The present invention relates to an acidifier for a poultry feed, and a preparation method thereof. The acidifier comprises the following components, by weight, 5-10 parts of phosphoric acid, 20-30 parts of fumaric acid or citric acid, 6-12 parts of calcium formate or potassium diformate, 3-8 parts of calcium propionate, 1-5 parts of potassium sorbate, 2-5 parts of white carbon black, and 40-60 parts of fatty acid, wherein the raw materials are subjected to mixing emulsification, then are cooled, and finally are subjected to spray granulation to obtain the product. Compared with the acidifier and the preparation method in the prior art, the acidifier and the preparation method of the present invention have the following characteristics that: design is performed according to digestive physiology of the poultry, such that effects of the acidifier for the poultry feed are provided at a maximum, electrolyte balance of the poultry under a heat stress condition can be maintained, and heat stress of the poultry can be released; and advantages of inorganic acids, organic acids and organic acid salts are completely utilized to carry out optimizing combination, such that utilization values of the product can be improved at a maximum, product fluxion property is good, and uniform mixing of the acidifier in the feed can be easily achieved.

The invention relates to a chitosan plural gel foaming agent suitable for a female sperm shielding and killing dual-contraception effect and a preparation method thereof, and belongs to the technical field of foaming agent production. The chitosan plural gel foaming agent suitable for the female sperm shielding and killing dual-contraception effect has a dual-contraception effect of vagina shielding and vagina sperm killing, and meanwhile has a fungal-infection-resistant effect. The foaming agent forms a medicament liquid by consisting of a matrix, a surface active agent, an auxiliary medicament, a cosolvent, an acidifier, a foaming agent, a foam stabilizing agent and a solvent, and the foaming agent and a propellent form a plural gel foaming agent according to the weight proportion of (100:10) to 20. The preparation method comprises the following steps: dissolving chitosan and carbomer into a citrate buffer solution with a certain amount; blending, heating to 80 DEG C to dissolve completely, adding the surface active agent so as to obtain a solution A; dissolving borneol, menthol crystal and stearic acid into glycerol, dissolving fully, and filtering so as to obtain a solution B; adding the solution B into the solution A, mixing fully, adding citric acid and SLS (sodium lauryl sulfate), supplying the buffer solution to the required weight, carrying out vacuum homogenizing for 2 hours, thereby obtaining the gel foaming preparation, and then adding the propellent.

The invention relates to mixed feed for preventing diarrhea of weaned piglets and a preparation method thereof. The mixed feed is prepared from the following raw materials in parts by weight: 20 to 40parts of corns, 10 to 20 parts of baken and flaked corn, 5 to 15 parts of whey powder, 5 to 15 parts of bean pulp, 5 to 8 parts of expanded soybean, 1 to 5 parts of fermented soybean pulp, 5 to 10 parts of skim milk powder, 1 to 5 parts of saccharose, 0 to 5 parts of plasma protein powder, 1 to 1.5 parts of organic compound acidifier, 0.1 to 0.4 part of a organic mineral premix, 0.1 to 0.8 part of mountain flour, 0.1 to 1.5 parts of calcium hydrogen phosphate, 0.3 to 1.5 parts of compound amino acid, 0.1 to 0.4 part of table salt, 0.05 to 0.3 part of choline chloride, 0.02 to 0.05 part of a vitamin premix, 0.05 to 0.2 part of a complex enzyme preparation, 0.05 to 0.1 part of glutamine, 0.1 to 0.2 part of glycerol monobutyrate, 0.1 to 0.3 part of a Chinese herbal medicine preparation, 0.03to 0.1 part of probiotics and 0.05 to 0.5 part of a mildew preventive. The mixed feed disclosed by the invention is capable of effectively increasing the feed intake, increasing the digestibility ofthe mixed feed, helping repair intestinal functions of piglets and build a normal intestinal microflora, effectively relieving or avoiding the diarrhea of early-weaned piglets, reducing a diarrhea rate and a death rate and realizing rapid growth of the piglets.