211results about How to "Reduce material to weight ratio" 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 present invention relates to a production method of feed additive containing selenium-enriched probiotics and its product. Said production method includes the following steps: using torula yeast and acidophilous lactobacillus as strain, mixing them according to the ratio of 1:4 and inoculating them into culture containing sodium selenite, adding organic selenium transformation accelerator and making culture for 36 hr so as to obtain the invented product. In said product the CFU numbers of torula yeast and acidophilous lactobacillus respectively are 10 to the power 9 / g and 10 to the power 11 / g, selenium content is 50 mg / kg, in which organic selenium content is above 90%, and selenomethionine content is above 75%. It can obviously raise animal immunological function and resistance to disease.

The solid fermentation process for producing natto bacillus feed additive with bean dregs includes the following steps: 1. shake flask culture of natto bacillus in KMB culture medium to obtain the first stage spawn; 2. dissolving bean dreg powder, corn starch, corn slurry and NaCl in water, regulating pH value, sterilizing and inoculating the first stage spawn, and shake flask culture to obtain the second stage spawn; 3. mixing water soaked bean dregs, NaCl, glucose as the carbon source, gelatin as the nitrogen source and (NH4)2SO4 or urea, and sterilizing to obtain solid culture medium, inoculating the second stage spawn, fermenting while maintaining the temperature and humidity to obtain fermented bean dregs; and 4. adding sterilized corn powder into the fermented bean dregs, drying and crushing to obtain the natto bacillus feed additive. The feed additive can promote the growth of pig, promote the growth of lactobacillus and inhibit colibacillus.

The invention relates to the field of a feed additive, and particularly relates to a compound feed additive replacing feed antibiotics in a piglet daily diet, and applications of the compound feed additive. The compound feed additive comprises a compound enzyme preparation applicable to piglets, a microecological preparation and a functional oligosaccharide. The compound additive comprises an NSP enzyme capable of degrading antinutritional factors in the feed, so that the growth performance of piglets and the utilization rate of the feed can be effectively improved, the feed-weight ratio can be reduced by 12.88%, the average daily grain can be improved by 25.6%, and the effect is far higher than that of the feed antibiotics; the probiotic flora including bacillus subtilis, bacillus licheniformis, clostridium butyricum and the like are increased, small amount of functional oligosaccharide is added, so that the microecological environment of animal intestinal tracts can be improved, the growth and propagation of pathogenic microorganisms can be inhibited, the stress reaction of weaned piglets can be solved, the diarrhea rate and morbidity of the sucking piglets can be greatly reduced, the action effect is superior to those of the feed antibiotics, and the feed additive can effectively replace feed antibiotics in a piglet daily diet.

The invention discloses a feed-use high-activity lactobacillus solid preparation and a preparation method thereof. The feed-use high-activity lactobacillus solid preparation comprises growing beneficial lactobacillus bacterium mud, a protection formula and a basic formula. The invention also provides the preparation method of the feed-use high-activity lactobacillus solid preparation, lactobacillus can be protected through synergistic effects of components in the protection formula and the basic formula, and the living bacterium survival rate in the whole process can be improved. The lactobacillus in the prepared feed-use high-activity lactobacillus solid preparation has improved high temperature and high humidity resistances, has a high survival rate in a simulated intestinal fluid, and a substantial improved animal application effect.

The invention discloses coarse cereal type growing and fattening pig compound feed for promoting the growth and improving the meat quality. The coarse cereal type growing and fattening pig compound feed is prepared from the compositions of corn, barley, broomcorn, bean pulp, phosphatide oil powder, orange peel dreg, calcium hydrogen phosphate, rock flour, salt, vitamin E, lysine, threonine, plant extract, probiotics, choline chloride, multiple vitamins, multiple microelement pre-mixed feed and the like through mixing. The coarse cereal type growing and fattening pig compound feed disclosed by the invention has the advantages that the source of the feed is rich, no pollution, residue and side effects are generated, the cost is low, the processing is convenient, and the storage is easy; while rapid growth speed is ensured, an eye muscle area is increased, and the backfat thickness is reduced; the meat quality is improved while the lean meat percentage is increased; the pH (Potential of Hydrogen) value of meat is normal, the meat color grade is improved, marble veins are formed, the tenderness is increased, the rate of water loss is reduced, the cooked meat percentage is increased, and the storage loss is reduced.

The invention relates to a method for preparing microbial feed additive used for promoting growth of goose liver. All of the microbial strain is screened out from the animal intestinal tract. The method comprises culturing all the strains on the same culture medium through combined culture, constituting powerful compound microbial community by using mixed sync solid fermentation process, and forming effective enzyme producing ability to make the product has amount of physiologic metabolite such as organized enzyme for analysing cellulose and fructose, peptide, antioxidants, free amino acid, and vitamin. The invention can promote feed digestion and absorption of animal, promote synthesize and utilization of protein, enhance immunologic competence of livestock, fowl and aquatic livestock, and improve feed conversion ratio and production capacity of breed animal. The inventive product has good practicability and pertinency.

Provided is a pig forage improving meat quality. The pig forage is characterized in that the pig forage is composed of the following ingredients, by weight, 30 parts of corn flour, 20 parts of puffed corn, 15 parts of sorghum, 15 parts of soybean meal, 15 parts of wheat flour, 10 parts of wheat bran, 0.1 part of choline chloride, 0.1 part of methionine, 0.1 part of threonine, 0.5 part of lysine, 0.2 part of salt, 1 part of Chinese herbal medicine materials, 0.15 part of microecologics, 0.15 part of vitamin premix, 0.3 part of trace element premix and 0.02 part of compound enzyme preparation. Based on the safe and relieved principles, trace elements, vitamins and functional substances are blended with energy raw materials, protein raw materials, amino acids and the like according to certain ratios, and a pig mixed forage promoting growth, lowering material consumption, raising the lean meat percentage and improving meat quality is developed.

The invention relates to oil, especially to an emulsified oil which is suitable for being added into livestock feed and a preparation method thereof. The emulsified oil comprises the following components of: by weight, 40-100 parts of vegetable oil, 0.5-5 parts of span, 1-10 parts of monoglyceride stearate, 1-5 parts of sodium caseinate, 1-10 parts of disodium hydrogen phosphate and 30-90 parts of glucose syrup. The emulsified oil is prepared by technological processes of burdening, homogenization, spray drying and cooling. The emulsified oil provided by the invention has balanced nutrient proportion, is rich in medium / short chain aliphatic acid, high nutritional milk protein, digestible monosaccharide and the like which are all easy for animals to absorb, has high net energy value and high digestion and absorption rate, can greatly increase the content of fat in feed and raise energy density of animal diets, is a powered solid, and is convenient to preserve and transport.

The invention discloses a chicken feed, which comprises the following components, by weight percentage: 55%-75% of corn, 10%-20% of soybean meal, 1%-5% of rapeseed meal, 2%-7% of wheat bran, 2%-7% bran, 1%-4% of tea, 0.01%-0.05% of Pulsatilla, 0.001%-0.01% of Perilla frutescens, 0.1%-1% of edible oil, 0.5%-2% of mountain flour, 0.001%-0.02% multiple vitamin, 0.005%-0.02% of trace elements, 0.01%-0.05% of edible salt, 1%-4% of a pepper powder, 1%-7% of a pine needle powder, and 0.001%-0.01% of a garlic powder. The formula can be applied to feed to balance nutrition, and has obvious effect on chicken growth and disease resistance, and great breakthrough in the meat feed ratio of chicken.

Fodder for growing and fattening pigs is characterized by being prepared from the following components in parts by weight: 25 parts of corn flour, 15 parts of extruded corn, 15 parts of vinasse, 15 parts of bean pulp, 15 parts of wheatmeal, 15 parts of wheat bran, 10 parts of rape seed cake, 0.10 parts of choline chloride, 0.10 parts of calcium hydrophosphate, 0.01 parts of natural steroid yucca saponin, 0.2 parts of methionine, 0.15 parts of threonine, 0.4 parts of lysine, 0.3 parts of table salt, 1 part of Chinese herbal medicine material, 0.01 parts of probiotics, 0.01 parts of pig multi-vitamin, 0.3 parts of trace mineral premix and 0.03 parts of complex enzyme. The fodder is reasonable in matching, can improve growth performance of the pigs, enhances the immunity of the pigs, reduces fodder waste, increases fodder nutrition absorption, and lowers nutrient excretion.

The invention discloses a method for increasing yield of hermetia illucens by using kitchen waste and chicken manure. The method comprises the following steps: (1) collecting fresh kitchen waste, andpicking up inorganic impurities in the kitchen waste, then, filtering out extra water by a filter net, and preparing kitchen waste pulp with moisture content of 70%-85% by a pulping machine; (2) collecting fresh kitchen manure, uniformly mixing the kitchen waste pulp and the collected fresh chicken manure in a certain proportion to obtain a mixture, so that the dry weight content of carbohydrate in the mixture is 28%-40%, the dry weight content of protein is 15%-25% and the moisture content is 65%-80%; (3) laying the mixture in a hermetia illucens culture tank, then, putting hermetia illucenslarvae at 2-3 day age into the hermetia illucens culture tank, controlling the temperature at 29-37 DEG C, and carrying out treatment for 7-13 days; and (4) before the hermetia illucens larvae enter aprepupa stage, separating the hermetia illucens from hermetia illucens dung. The method can greatly reduce the feed ratio of the mixture obtained by mixing the kitchen waste pulp and the fresh chicken manure, and greatly increase the larva producing rate of the hermetia illucens.

The invention discloses an organic acid acidifying agent, which comprises the following components in part by weight: 40 to 70 parts of formic acid, 5 to 20 parts of acetic acid, 10 to 60 parts of formate, and 1 to 5 parts of carbonate. The liquid acidifying agent is safe to use, and has no any toxic and side effect on the growth of animals; secondly, the liquid acidifying agent has higher buffer capacity, avoids overlarge fluctuation of gastrointestinal acidity of the animals, and can keep a stable digestion environment in the stomach and intestine for long time through mutual transformation of organic acid and organic acid salt; moreover, the combination of the liquid acidifying agent and the organic acid can effectively reduce the pH values of drinking water and the intestines, and inhibit the growth of harmful colonies; and meanwhile, the liquid acidifying agent can also effectively improve the stress capability of the animals, reduce the death rate, promote the growth, improve the digestive absorption effect of fodder, reduce the fodder-meat ratio, and improve the daily gain.

The invention belongs to the field of application of feed additive, and relates to a porcine heat stress resistance selenium-rich composite bacteria feed additive and application thereof. Saccharomyces cerevisiae, lactobacillus acidophilus and streptococcus thermophilus are selected as strains, inoculated in a proper fermentation broth containing sodium selenite, transformation of selenium and probiotics growth accelerating agent in a volume ratio of 1:2:2, and fermented for 30 to 40 hours at a temperature of between 20 and 40 DEG C, throughput of 0.05m<3> / h, revolution of 70r / min and tank pressure of 0.04Mpa; and the selenium enriched composite bacteria preparation can be prepared through proper subsequent treatment. The daily gain and feed-weight ratio of a pig can be remarkably improved in a high-temperature environment by feeding the preparation, the oxidation resistance and immunity functions can be enhanced, the mRNA (messenger ribonucleic acid) level of heat shock proteins Hsp70 and Hsp27 can be reduced, and the effect of porcine heat stress resistance can be effectively played.

The invention discloses a feeding device of meat ducks. According to the method, in different periods of time for growth of ducks, daily rations with Chinese herbal medicine additives at different weights are used for feeding. The Chinese herbal medicine additives is prepared from the following raw materials in parts by weight: 80 to 100 parts of codonopsis pilosula, 30 to 35 parts of fruit of Chinese magnoliavine, 20 to 30 parts of alisma rhizome, 60 to 80 parts of purslane, 60 to 80 parts of forsythia fruit, 100 to 150 parts of cordate houttuynia, 100 to 150 parts of dandehon herb, 60 to 80 parts of isatis leaf, 120 to 150 parts of honeysuckle flower, 80 to 100 parts of herb of yerbadetajo, 120 to 150 parts of garlic, 60 to 80 parts of baikal skullcap root, 140 to 150 parts of flos chrysanthemi indici, 50 to 60 parts of leonurus heterophyllus, 120 to 150 parts of licorice, 50 to 60 parts of root kudzuvine, 120 to 150 parts of dyers woad root, 100 to 120 parts of fruit of hawthorn, and 40 to 50 parts of dried old orange peel. The device can improve the immunity of ducks and enhance disease resistance, is antibacterial and antiviral, can prevent virus diseases of ducks, can further promote digestion and growth, and ensures that no residue and toxic or side effect exist on animals and products thereof after use of the device, and drug resistance is not easy to occur.

The invention provides a pig feed additive promoting growth and improving immunity and belongs to the field of feed additives. The additive is composed of a complex enzyme preparation, origanum oil, polygonatum odoratum polysaccharide, licorice powder, atractylodes macrocephala koidz powder, semen cuscutae powder, ramulus mori powder, perilla leaf powder, probiotics, decavitamin and a carrier. The carrier is rice hull powder, wheat bran and sepiolite. The feed additive can improve the immunity and the disease resistance of pigs, reduce the morbidity of the pigs, improve the growth performance of the pigs, improve the use value of feed and increase breeding benefits and is good in market application prospect.

The invention relates to the technical field of animal breeding and particularly provides a breeding method of a high-quality synthetic white pig line. The method utilizes existing domestic and overseas pig breed resources, a specialized line is bred according to a trait differentiation and selection principle, thus commercial pigs quicker to grow, higher in lean meat percentage, good in meat quality, strong in resistance and high in slaughtering weight uniformity are obtained through hybrid breeding of the specialized line, the problem existing in 'inner binary' and 'inner ternary' breeding systems can be solved, meanwhile local pig breed resources can be also effectively protected and utilized, high-quality pig breeds are provided for industrial large-scale breeding, and the heavy demands for high-quality pork of masses of consumers are met.

The invention discloses a heat stress resistant plant extractive feed additive which is prepared from the following components in percentage by weight: 25-30% of spinadate seed extractive, 25-30% of Coptis chinensis extractive, 13-18% of Scutellaria baicalensis extractive, 13-18% of pericarpium citri reticulatae and 10-15% of 98% betaine. The feed additive can be used for effectively improving the heat stress resistant capability of livestock, has the advantages of no toxic or side effect and no pesticide residue, and is favorable for the health of animals and people. The product is microchemical. Because of adopting the processing technology of dipping, condensing and spraying to dry, the defects of large dose and unstable effective ingredient content because direct smashing and adding are adopted in the prior art can be solved. According to the heat stress resistant plant extractive feed additive, high temperature stress can be effectively resisted, the antioxidant enzyme activity in the livestock can be improved, animals are accelerated to grow, the disease incidence is lowered, and the feed conversion efficiency is improved.

The invention discloses supplementary feed for a mink at growth period. The supplementary feed is prepared from the following components in parts by weight: 70-80 parts of vegetable feed, 10-30 parts of animal feed, 1-5 parts of amino acid feed, 1-5 parts of mineral feed, 0.1-0.5 part of choline chloride, 0.1-0.5 part of a compound enzyme preparation, 0.05-0.2 part of a microbial preparation, 0.1-0.5 part of ethoxy quinoline and 0.5-1 part of additive premix. According to the feed disclosed by the invention, the growth speed, the survival rate and the fur-feather quality of the mink at the growth period are improved, the digestive rate of proteins and fat in the feed is improved, and the diarrhea rate and the feed-grain ratio of young minks are reduced.

The invention discloses a concentrated feed for piglets. The concentrated feed is prepared from soya bean meal, vegetable oil, fish meal, corn protein powder, whole milk powder, calcium carbonate, calcium hydrogen phosphate, baking soda, salt, lysine, threonine, choline, phytase, an antioxidant, a sweetening agent, a vitamin premix, copper sulfate, ferrous sulfate, zinc sulfate, potassium iodide, powder which is prepared by extracting Chinese herbal medicines, such as astragalus membranaceus, pericarpium citri reticulatae, agastache rugosus, anise, fennel, liquorice, cortex phellodendri, radix aucklandiae, semen arecae and lemon, and oil spray. The concentrated feed has the beneficial effects that by whole milk powder, a plurality of microelements and vitamins, diet nutrient substance balance can be realized; with adoption of the Chinese herbal medicine powder, the immunity can be improved, diarrhea is reduced, and hormone is avoided. The concentrated feed has the comprehensive effects that the survival rate of the piglets can be effectively improved; the daily feed intake is increased; the daily weight increase is improved; the feed-weight ratio and the diarrhea rate are reduced; the body constitution of the piglets is improved; health growth of the piglets is ensured; and the economic benefits are improved.

The invention discloses a raising method capable of improving the growth performance of ducklings. The method comprises the following steps of feeding the ducklings with duckling drinking water containing taurine, vitamin C and astragalus polysaccharides 14 to 24 hours after the ducklings are hatched; starting feeding the ducklings with duckling complete formula feeds which are prepared into wet mash feeds 30 to 60 minutes after the ducklings start drinking; after the ducklings start drinking and are fed, manually feeding the ducklings for 4 to 5 times every day, enabling the ducklings to freely forage and drink water, and ensuring the supply of sufficient drinking water; combining natural illumination and manual illumination. The method has the advantages that the absorption of yolk sacs is promoted; the daily feed intake and the daily gain of the ducklings are increased, the feed-to-weight ratio is lowered, and the growth performance is improved; the gastrointestinal motility is promoted, nutrition is supplied, meconium is removed, intestines and stomachs are cleaned, the appetite is whetted, the metabolism is promoted, and the physique is strengthened.

The invention relates to phage lyase composite powder. The composite powder composition comprises the following components in percentage by mass: 0.15%-0.2% of phage lyase TSPpgh, 0.15%-0.2% of phagelyase MMPpgh, 0.3%-0.5% of trehalose, 0.1%-0.2% of citric acid, 0.2%-0.3% of mannitol, 0.2%-0.3% of vitamin C and 98.3%-98.9% of diatomite. The phage lyase composite powder is subjected to in-vitro antibacterial activity detection by adopting a two layer plating method. After the composite powder is stored for 12 months at normal temperature, the enzyme activity is kept at 95% or above (the enzymeactivity loss is within 5%). The composite lyase preparation can be used for replacing antibiotics to inhibit proliferation of harmful pathogenic bacteria such as escherichia coli, salmonella and staphylococcus aureus in animal intestines, and can maintain intestinal microecological balance.

The invention belongs to the field of a feed additive, and more particularly provides a feed additive for chickens, which is formed by mixing the components by mass percent: 50-80% of turmeric residue, 10-30% of ginseng residue and 10-30% of tea residue. When in use, 1-4% of feed additive is added into basic ration by mass percent. The feed additive has the performance of promoting parturition ofthe chickens, has the function of improving the immunity, is capable of overcoming the defects of residue and side effects of antibiotics and chemical synthesis additives, and solves the problem of environmental pollution caused by processing residues of plant extraction industry.

The invention discloses a traditional Chinese herbal microecological preparation for preventing and treating piglet bacterial dysentery and a preparation method thereof, and belongs to the technical field of veterinary traditional Chinese medicine. The traditional Chinese herbal microecological preparation is mainly composed of the following traditional Chinese herbals in parts by weight: 1 to 10 parts of Chinese pulsatilla root, 3 to 20 parts of coptis, 5 to 15 parts of phellodendron, and 6 to 25 parts of ash bark; and also comprises the following bacterium liquids in parts by volume: 1 to 3 parts of lactobacillus acidophilus liquid, 1 to 6 parts of enterococcus faecalis liquid, and 1 to 6 parts of bacillus subtilis liquid; wherein the ratio of the total weight of the bacterium liquid to the total weight of the traditional Chinese herbals is (1-5):(40-50). The microecological preparation is prepared by compounding traditional Chinese herbals and beneficial bacteria and has the characteristics of no drug resistance, little side or toxic effect, and difficulty in generating harmful residues in the prevention and treatment of piglet bacterial dysentery. The beneficial bacteria can generate antibacterial substances and compete with harmful bacteria to occupy the ecological niche, thus the propagation of pathogenic bacteria is inhibited, the flora balance in the intestinal tract is modulated and balanced, the piglet diarrhea rate is reduced, and the piglet growth is promoted.

The invention provides a plant essential oil compound, a preparation method and an application thereof. The plant essential oil compound comprises the following raw materials in parts by weight: 1-8 parts of slowly released anise oil, 1-15 parts of cinnamyl aldehyde and mixture of carvacrol and thymol treated with rumen, wherein the mixture of carvacrol and thymol treated with rumen comprises 1-8 parts of carvacrol, 1-8 parts of thymol and 10-40 parts of rumen carrier. In a preparation process, the rumen carrier is used as the rumen envelope for the carvacrol and the thymol, and then the acquired product is uniformly mixed with anise oil and cinnamyl aldehyde, so that the plant essential oil compound can be acquired. The plant essential oil compound provided by the invention is mainly used for replacing rumensin in rumen, and meanwhile, the plant essential oil compound can restrain and kill harmful bacteria in ruminant animal intestinal tracts, can boost the beneficial bacterium multiplication and can promote the digestion and absorption for nutrient substances in small intestines of beef and sheep so as to increase the survival rate, prevent the beef and sheep from diarrhea and constipation, increase the daily gain and feed conversion rate and prevent yellow fat meat.

The invention relates to a microecological preparation applicable to pampus argenteus juvenile fish and application of the microecological preparation, and belongs to the technology of seawater fish type feed additive application. The invention aims at selecting probiotics applicable to the pampus argenteus juvenile fish for thus improving the growth performance of the pampus argenteus juvenile fish. By comparing and analyzing the safety and the beneficial function of bacillus subtilis, lactobacillus plantarum and clostridium butyricum, the condition that the bacillus subtilis does not have any harm to the pampus argenteus juvenile fish and has the best beneficial effect is found. The growth performance and the immunologic function of the pampus argenteus juvenile fish are obviously improved by the bacillus subtilis, so that the microecological preparation is recommended to be used in artificial culture of pampus argenteus.

The invention discloses a method for raising chicken with Chinese herbal medicines. According to the method, chicken are fed with daily rations with Chinese herbal medicine additives containing different ingredient ratios at different growth stages, and the Chinese herbal medicine additive at the brooding stage is prepared from raw materials as follows: Chinese thorowax roots, isatis roots, hairy asiabell roots, sealwort, selfheal spikes, Radix morindae officinalis, largehead atractylodes rhizomes, indigowoad leaves and diffuse dayflower herbs; the Chinese herbal medicine additive at the growth stage is prepared from raw materials as follows: heartleaf houttuynia herbs, garlic, baical skullcap roots, motherwort, hawthorn fruits, dried tangerine or orange peels, medicated leaven, chingma abutilon seeds and kuh-seng; the Chinese herbal medicine additive at the mature stage is prepared from raw materials as follows: weeping forsythiae capsules, purple perilla, liquorice roots, abrus herbs, okra flowers, dandelions, almonds, chrysanthemum flowers, rhizome anemarrhenae and officinal magnolia bark. With the adoption of the method, immunity of chicken can be enhanced, disease resistance is enhanced, bacterium and viruses are resisted, virus diseases of chicken can be prevented, digestion and growth can be promoted, residues and toxic and side effects on animals and products are avoided after usage, and drug resistance cannot be caused easily.

The invention relates to the field of feed, and in particular relates to an organic microelement-containing biological feed composition, application thereof and a special compound premix and a special feed of piglets. The biological feed composition comprises organic microelements and yeast metabolites, wherein the organic microelements comprise copper glycine, ferrous fumarate, zinc lactate, manganese methionine, selenium yeast and chromium nicotinate. The yeast metabolites are capable of promoting the synergistic effect of all the microelements and improving the utilization rate of the microelements; the feed prepared from the biological feed composition is good in palatability, high in absorption rate, free from potential risk of heavy metals, safe and environmentally friendly; after the feed prepared from the biological feed composition is used, the average daily gain is remarkably improved, the feed to gain ratio, the diarrhea rate and the content of microelements in excrement are remarkably reduced, the production performance of the piglets is improved, the intestinal health is improved, the feed conversion ratio is increased, and the skin color and the fur condition of the piglets are obviously improved.

The invention aims at providing a method for preparing paulownia flower extractive feed additives, which particularly comprises the steps of preparing extractive extract, spray-drying the extractive extract and adding auxiliary materials to achieve compound to obtain the feed additives, namely smashing paulownia flower into crude powder with 5-20 meshes, adding water 4-6 times as weight as the paulownia flower, soaking for 0.5-1 hour, carrying out the first extraction, extracting for 1-2 hours at the temperature under 100 DEG C, filtering, adding water 4-6 times as weight as the paulownia flower, carrying out the second extraction, extracting for 1-2 hours at the temperature under 100 DEG C, combining liquid medicines, and concentrating the liquid medicines into the extract with relative density of 1.10-1.20; spray-drying the extract with technology conditions of the air inlet temperature of 170-190 DEG C, the air outlet temperature of 80-90 DEG C and the air inlet pressure of 40 Mpa, wherein the moisture content of dry powder of prepared extract is smaller than or equal to 5%; and mixing the extract with at least one of carries, such as silica, pine needle meal and attapulgite powder to obtain the paulownia flower extractive feed additives.

The invention discloses a probiotic fermented Chinese herbal medicine compound preparation for improving milk quality of sows, which is compounded by traditional Chinese herbal medicine compound and probiotics. The Chinese herbal medicine compound is prepared from, by weight, 8-12 parts of eucommia ulmoides, 10-14 parts of astragalus membranaceus, 18-22 parts of chinses Angelica, 14-18 parts of ricepaperplant pith, 12-16 parts of radix rhapontic, 20-24 parts of poria cocos, 12-15 parts of codonopsis pilosula, 15-17 parts of rhizome of chuanxiong, 12-16 parts of cyperus, 15-18 parts of cowherb seed and 16-20 parts of cistanche. The probiotics are Bacillus subtilis, Lactobacillus plantarum and Saccharomyces cerevisiae. The probiotic fermented Chinese herbal medicine compound preparation can promote the lactation of sows and improve its milk quality.