89results about How to "Increase daily feed intake" patented technology

The present invention discloses a strain of acid resistance and high temperature resistance saccharomyces cerevisiae and applications thereof. The saccharomyces cerevisiae is Saccharomyces cerevisiae Sa-10, and is preserved in the China General Microbiological Culture Collection Center, and a preservation number is CGMCC No.6120. According to the present invention, after the Saccharomyces cerevisiae Sa-10 is added to a basal diet of weaned piglets, daily feed intake and daily weight increase of weaned piglets can be significantly improved, and a diarrhea index can be reduced; and the Saccharomyces cerevisiae Sa-10 provides important significance and broad application prospects in the field of animal feed additive preparation or animal production performance improvement.

The invention discloses a feed for weaned pigs. The feed comprises the following components: weaned pig feed core material, smashed microwave corn powder, smashed microwave bean powder, fermented bean meal, wheat middling, steam fish meal, high-fat whey powder, calcium hydrogen phosphate, an anthony pig compound premix, a compound acidifying agent, a compound emulsifying agent, choline chloride, an antioxidant, a mold removal agent, edible salt, 98 percent of lysine hydrochloride, DL-methionine and mountain flour. The preparation method for the feed comprises the following steps of: performing microwave treatment on corns and beans, then smashing and screening the corns and the beans, and proportionally mixing the components. According to the feed, the problem of weaning of anthony pigs is solved by weakening the weaning stress of the anthony pigs, improving the anti-virus capability of the anthony pigs and improving the immunity of the anthony pigs; the daily weight gain of the anthony pigs can be effectively increased; the material-to-meat ratio can be reduced; the diarrhea rate is reduced by over 3 percent; the daily feed intake is increased by over 6 percent, so that the anthony pigs have high stress resistance and immunity.

The invention discloses special feed for piglets. The feed is characterized by being prepared from the following raw materials in parts by weight: corns, extruded corns, sunflower discs, corn distillers dried grains, wheat, fermented soybean meal, full-fat soybean, rapeseed dregs, bran, fish meal, silkworm chrysalis meal, animal meal, soybean meal, premix for the piglets, amino acids, natural glycine betaine, calcium hydrogen phosphate, chocolate powder, red date extracts, broccoli steam and leaf powder, hawthorn powder, codonopsis pilosula steam and leaf powder, pine needle meal, plasma proteins, whey powder, xylanase, oligosaccharide, sweet potato stem powder and detoxified tea seed cakes. According to the special feed for the piglets disclosed by the invention, the cost of the feed is lowered and meanwhile, the appetite of the piglets is enhanced, so that the economic benefit of pig industry is improved.

The invention discloses a compound anti-pecking powder with a traditional Chinese medicine prescription, which comprises the following components: 15% of traditional Chinese medicine decoction poria with hostwood, 15% of senega, 10% of shiandra, 10% of seed of wild jujube, 10% of shelled cedar seed, 10% of tuber fleeceflower stem, 10% of rhizoma anemarrhenae, 10% of chuanxiong rhizome, 5% of gypsum and 5% of licorice. The preparation method of the compound anti-pecking powder comprises the following steps: baking the components at 60 DEG C, crushing, and sieving with a sieve of 80 meshes. The traditional Chinese veterinary medicine theory is used for preparing a prescription, and the compound anti-pecking powder with a traditional Chinese medicine prescription, which has the functions of clearing away the heart fire and tranquilizing and allaying excitement, is used for feeding broiler cocks, thereby achieving the purposes of promoting the later growth of the broiler cocks, lowering the feed-to-meat ratio, increasing the generation of antibodies, reducing the mortality, and well preventing the vicious combat of the broiler cocks.

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 discloses a special fodder for piglets. The fodder is characterized by containing the following raw materials: extruded corns, soybean meal, fermented soybean meal, soybean flour, peanut meal, rapeseed dregs, bran, corn alcohol lees, plasma protein powder, silkworm chrysalis meal, cane sugar, oligosaccharide, salt, natural glycine betaine, calcium hydrophosphate, whey mist, phosphatidylcholine, hawthorn powder, codonopsis pilosula powder, pine needle meal, gamino acid, decavitamin, compound microelement, forage-used probiotics, cellulase, alpha-amylase, xylanase, acid proteinase, phytase and premix for piglets. The premix for the piglets is prepared through the following steps: adding water into attapulgite powder and rectorite powder, then adding citric acid, tartaric acid, maslinic acid, fumaric acid and food phosphate, conducting reaction after high pressure homogenization, performing filter pressing after the temperature drops to indoor temperature and calcining, thus obtaining the premix for the piglets. By changing the fodder structure, the special fodder for the piglets reinforces the digestive ability of the piglets and improves the appetite and the immunity of the piglets.

The invention belongs to the field of feeds for quails and particularly relates to Chinese-herbal-medicine feed for quails. The Chinese-herbal-medicine feed is characterized by comprising the following components in parts by weight: 40-60 parts of corn, 20-30 parts of soybean meal, 5-10 parts of super fish powder, 2-4 parts of soybean oil, 2-6 parts of grass seed powder, 5-10 parts of soybean oil cake residue, 5-10 parts of rice bran, 1-3 parts of salt, 10-15 parts of premix and 10-15 parts of traditional-Chinese-medicine additives. The Chinese-herbal-medicine feed has the beneficial effects that materials such as the corn, the bean meal and the grass seed powder with suitability for intaking of the quails, high digestibility and good palatability are selected according to the nutrition needed by growth and development of the laying quails, the nutrition is rich, the protein content is high, the energy is high, the nutrition needed by the laying quails is provided, the materials are easily digested and absorbed by the quails, the daily feed intake is increased and the egg laying capability is enhanced; a proper material matching ratio is determined by multiple testing, the most reasonable feed-egg ratio is ensured, and the raising income is largest; and the feed contains the components such as the premix and the traditional-Chinese-medicine additives, the types of nutritional elements are complete, and various nutritional components needed are provided, so that the healthy growth of the quails is ensured.

The invention belongs to the technical field of feed additives, and in particular relates to a live pig feed additive and a preparation method thereof. The live pig feed additive consists of the following components in parts by weight: 30 to 50 parts of moutan bark extracts, 30 to 50 parts of mangnolia officinalis extracts and 90 to 100 parts of carriers. The live pig feed additive prepared by the method can increase the daily intake of live pigs, increase the daily weight increasing quantity, improve feed conversion rate, reduce diarrhea rate, increase survival rate and improve production benefit.

The invention belongs to the technical field of chicken feeds and particularly relates to a Jinling broiler feed prepared from purple vanilla, alfalfa and kudzu vines as primary materials and a preparation method thereof. The Jinling broiler feed is prepared from purple vanilla, alfalfa, kudzu vines, a vitamin premix, a mineral premix, table salt and microbial compound bacteria. The Jinling broiler feed prepared from purple vanilla, alfalfa and kudzu vines as primary materials provided by the invention achieves energy-protein balance, is good in palatability, improves the daily food consumption and the daily gain of the Jinling broiler. The laying rate, the protein content of eggs and the eggshell hardness are also improved, and the contents of fat and cholesterol in the eggs are reduced.

The invention discloses concentrated feed for piglets, belonging to the field of feed for piglets. A premix comprises lactose, glucose, calcium powder, choline chloride, 98.5% lysine, methionine, threonine, a flavouring agent, ethoxyquin, an acidifier, vitamins for suckling pigs, microelements for the suckling pigs, sesame oil cake, folium ginkgo powder, chestnut kernel powder, peanut kernel powder, sweet potato powder, sweet potato vine, sweet potato leaf powder, dried potato powder, polygonum aviculare, Asia plantain, millet, broomcorn and liquorice. The invention further provides a processing method of the concentrated feed. The processing method comprises the following steps: (1) preparing the premix; and (2) preparing the feed. The concentrated feed comprises multiple components and is rich in nutrients, meets the requirement of the growth of the piglets, is good in palatability to excite the growth potential, and facilitates the growth of the piglets; the immunity of the piglets can be improved, and the diarrhea rate and the morbidity death rate are reduced; the digestive absorption of the piglets to the feed is promoted, the daily gain of the piglets is increased, the feed conversion ratio of the feed is remarkably increased, the production cost is lowered, the cultivating benefit is increased, and the growth speed is ensured.

The invention discloses a traditional Chinese medicine compound feed for meat quails and belongs to the technical field of feeds of quails. The compound feed comprises corn flour 60-70, wheat bran 35-40, expanded soybean meal 10-15, fermented soybean meal 5-10, broken millet 10-15, sesame oil cake 0.5-1.5, bone powder 1.5-3, grass seed powder 2-5, soybean protein powder 6-10, salt 2-5, premix 6-8, and traditional Chinese medicine additive 0.5-1.5. The preparation method comprises the following steps: (1) preparation of the premix; (2) extraction of traditional Chinese medicine solution; (3) refining of the traditional Chinese medicine solution; (4) preparation of the traditional Chinese medicine additive; (5) preparation of the traditional Chinese medicine compound feed. The premix and the Chinese herbs are added into the feed, so as to effectively increase the weight of meat quails and reduce the mortality rate; the feed dose not contain antibiotics chemical synthetic medicines, prevents the additive from generating medicine residue in the bodies of the quails and effectively keeps the meat of quails delicious. Human consumption of the traditional Chinese medicine compound feed is health and safe.

The invention discloses a concentrated feed for lactating sows, and belongs to the field of pig feeds. A premix comprises lactose, glucose, calcium powder, methionine, choline chloride, threonine, an acidifying agent, a flavoring agent, vitamins for porkets, microelements for the porkets, sodium bicarbonate, eggs, chestnut kernel meal, peanut kernel meal, 98.5% lysine, sweet potato stems, sweet potato leaf meal, dried potato meal, pig sprouts, plantain herb, millet, sorghum, ethoxy quinoline, green vegetables, corn flour, pumpkin, soybean curb residue and soya-bean milk. The invention also provides a preparation method of the concentrated feed for the lactating sows. The method comprises the following steps: (1) preparing the premix; and (2) preparing the feed. The concentrated feed is used for feeding the sows during late pregnancy, and is capable of promoting rapid porcine fetal growth, increasing the birth weight of piglets, ensuring the relatively large-capacity ingestion, relatively large-capacity milk production and relatively little fat loss, promoting the weaning, empathema and hybridization as quickly as possible, and effectively improving the farming income.

The invention provides an antibacterial and growth-prompting traditional Chinese medicine composition. The antibacterial and growth-prompting traditional Chinese medicine composition is characterizedby being prepared from the following raw materials in parts by weight: 2 to 10 parts of bacillus subtilis, 5 to 35 parts of Chinese pulsatilla root extract, 5 to 40 parts of radix scutellariae extract, 5 to 35 parts of rhizoma coptidis extract, 30 to 70 parts of folium eucommiae extract, 20 to 50 parts of fructus crataegi extract, 5 to 35 parts of pericarpium citri reticulatae extract, 5 to 35 parts of cortex fraxini extract and 5 to 30 parts of liquorice root extract. The traditional Chinese medicine composition provided by the invention is made into pharmaceutically acceptable preparations:tablets, pills, powder, capsules, granules and liquid. The invention further provides a preparation method and a detection method of the antibacterial and growth-prompting traditional Chinese medicinecomposition. By adopting the antibacterial and growth-prompting traditional Chinese medicine composition, the antibiotics or chemically-synthesized drugs in feed can be reduced or partially substituted, and drug residues of animal products are reduced or avoided; the problem of diarrhea of piglets, weaning piglets, fattening pigs and poultry can be effectively solved, so that the diarrhea rate and death rate of the pigs and poultry are remarkably reduced; the antibacterial and growth-prompting traditional Chinese medicine composition is mainly used for the pigs and the poultry, is used as a mixed feed additive and can be directly added into the feed or a mixing medium for a livestock farm.

The invention aims to disclose freshness-retaining feed for lactating sows and a preparation method thereof. The freshness-retaining feed for lactating the sows is formed by mutually mixing fermented acidulated feed with powdery pre-mixture feed, wherein the weight ratio of the fermented acidulated feed to the powdery pre-mixture feed is 4: 3; compared with the prior art, when the obtained freshness-retaining feed is used for feeding the sows, the feed is sour and sweet in taste and good in food calling effect, and the sow has healthy intestinal canal and small possibility of constipation; besides, the sow is high in daily feed intake during lactation period, good in body condition, good in milk quality and high in quantity; roasters are healthy, high in rate of survival and high in weaning weight. Furthermore, the sow is low in weight loss and short in heat interval after weaning; and therefore, the purposes of the freshness-retaining feed are achieved.

The present invention belongs to the field of microbial application technology, relates to an application of embedded lactic acid bacteria in animal feed. It is characterized by that in animal feed a kind of embedded lactic acid bacteria can be added, the added quantity of embedded lactic acid bacteria is 0.01-0.5% of animal feed weight. Said invention can be used as additive of animal feed, so that it has extensive application.

The invention discloses an industrial production method of rice protein hydrolysate for feed, and belongs to the technical field of feed additive production. The industrial production method of the rice protein hydrolysate for the feed comprises the steps that (1) the method of synergism of various enzymes and multi-step joint processing is adopted, the solid / liquid weight ratio between rice protein powder and water is 1:2-10, and alkaline proteinase is added to carry out dissolution; (2) a complex enzyme preparation which is formed by the alkaline proteinase, neutral proteinase, papain and flavourzyme in a compound mode is added to carry out hydrolysis, and the working procedures such as enzyme deactivation, filtration, decolorization and spray drying are carried out to obtain a rice protein hydrolysate product for the feed. Compared with the traditional method, the hydrolysis conditions are moderate, hygiene and safety are achieved, the situation that original amino-acid composition nutrients are not damaged is ensured, the hydrolysate is low in salinity and mellow in taste, and the yield is high and can reach 98%. According to application tests of adding the rice protein hydrolysate to feed such as feed of suckling pigs, feed of chicks, feed of calves and feed of aquaculture, the rice protein hydrolysate for the feed has the advantages of increasing the daily food-intake amount, reducing the diarrhea rate, improving immunity, reducing weaning stress, and improving growth performance.

The invention provides an application method for taking magnolia vine fruit as a feedstuff additive. The method comprises the following steps: baking the magnolia vine fruit into a baking oven at the temperature of 60 to 70 DEG C till reaching constant weight; processing and crushing the magnolia vine fruit into fine powder; screening the fine powder through a 40-mesh sieve to prepare magnolia vine fruit initial powder; obtaining yellow sticky liquid extract through extraction; and adding the extract serving as the feedstuff additive into the feedstuff for beasts and birds in a proportion of 0.1 to 0.4 percent. The product which has natural oxidation resisting activity can be applied to the ration of pigs and chicken as the feedstuff additive. The feedstuff additive is capable of effectively removing excessive lipid peroxides in an organism, improving the activity of the antioxidase in the organism, improving the lipid stability of the organism, promoting the immunity of the organism, and improving the internal environment of the intestinal tract. In addition, the feedstuff additive can also remarkably improve the productivity of heat stress laying chicken and the lipid stability of the immunity.

The invention belongs to the technique of preparation of quail feeds, and discloses a formula and a preparation method of a quail feed capable of improving the egg yield. The quail feed comprises a basal feed and a feed additive. The basal feed comprises the following components in parts by weight: 35-50 parts of corn, 35-40 parts of soybean pulp, 4-10 parts of wheat bran, 10-15 parts of fish meal, 5-8 parts of grain, 5-10 parts of wheat, 1-5 parts of hay, 1-5 parts of salvinia natans and 0.5-1 part of table salt. The feed additive comprises the following components in parts by weight: 2-8 parts of soluble polysaccharide, 6-12 parts of the root of red-rooted salvia and 8-18 parts of the root of kudzu vine. The preparation method comprises the following steps: extracting each component, crushing each component by a crusher by 60-70 meshes, and extracting by alcohol and water at 60-80 DEG C. The invention aims to provide the quail feed which is capable of improving the egg yield, is high in nutrition ingredient, is rapid in growth speed, is high in disease resistance, and can meet various nutritional requirements for quails, and the preparation method of the quail feed.

The invention discloses an aflatoxin detoxification composition as well as a preparation method and application thereof. Active ingredients of the aflatoxin detoxification composition are glycyrrhizic acid and lactobacillus casei. The richness, diversity and flora structure information of the microbial flora are obtained through a 16S rRNA gene sequencing technology, and the result shows that mycotoxin breaks the balance of the intestinal flora, resulting in disorder of the intestinal flora; the ratio of the Rubrivivax and the Brevundimonas-intermedia is reduced by increasing the Novosphingobium-capsulatum through the combination of the glycyrrhizic acid and the lactobacillus casei so as to repair the disordered intestinal flora environment, such that the growth condition of the broiler chicken is improved, and the production performance is improved;.

The present invention discloses a nutritional sheep feed suitable for ruminants which is manufactured by the following raw materials in parts by weight: soybean hulls 80-90 parts, rose flower petals 7-10 parts, coix chinensis 8-12 parts, yellow rice wine 10-14 parts, arrhenatherum elatius 20-30 parts, cheese 5-7 parts, apple dietary fibers 5-10 parts, egg white 6-9 parts, coconut oil 4-5 parts, morus alba twig additives 4-6 parts, and an appropriate amount of alpha-amylase, tea saponin, arabic gum, cobalt chloride and water. The nutritional sheep feed suitable for ruminants uses soybean hulls as main raw materials, the enzymolysis treatment of the soybean hulls after being baked not only can volatilize the characteristic fragrance of the soybean hulls, but also can increase the water-soluble components of the soybean hulls which improve the dietary fibers, and thereby the physiological activity of cellulose is enhanced.

The invention discloses yeast culture and preparing method and application thereof. The method for preparing the yeast culture includes the following steps: after activating the brewer's yeast with slant strains, the barms acquired continues to inoculate for seed solution preparing, and implement liquid aerobic fermentation and solid anaerobic fermentation for the seed solution succesively, then make the acquired solid fermentation products into yeast culture through cell disruption, drying and smashing. The yeast culture supplied has a high content of crude protein and stable, and can reach about 15%; and the contents of mannan, Beta- glucan are respectively higher than 1.0% and 3.5%. It is a feed ingredient with high nutritive value, and can improve feed palatability, animal food consumption, and animal intestinal health and growth performance; the invention adopts the invention adopt liquid- solid combined fermentation process, to develop cheap yeast culture with favorable effect and lower price, and the process is simple, easy to operate, and the whole production process conditions are easy to control, no need of high temperature treatment, which may favorably store the nutrient substance in the yeast culture.

The invention discloses a premix for piglets. The premix for the piglets comprises the following raw materials in parts by weight: 15-20 parts of soybean peptide protein, 10-15 parts of a cortex eucommiae extract, 20-25 parts of an acidifying agent, 60-65 parts of compound trace elements, 8-10 parts of compound vitamins, 20-25 parts of choline chloride, 70-80 parts of lysine, 20-30 parts of phytase, 60-80 parts of calcium hydrogen phosphate, 5-10 parts of an antioxidant, 100-120 parts of zeolite powder, and 62-95 parts of HPMCP, namely hydroxypropylmethyl cellulose phthalate. The premix for the piglets is a safe and efficient strengthened feed which is rational in formula. The premix is capable of increasing food intake of the piglets, improving anti-stress ability and immunity of the piglets, and effectively raising growth rates of the piglets. The premix is a real safe and efficient feed.

The invention provides bacillus subtilis for feeding and application thereof, and belongs to the technical field of microorganisms and feed additive preparation. The provided bacillus subtilis is named as Ma. k, and the preservation number is CGMCC NO.17613. The bacillus subtilis can resist the high temperature of 90 DEG C, can grow in the acid environment with the pH value of 2.0 or above, has astrong bile salt tolerance capacity and has a function of degrading moulds and mycin, and after the bacillus subtilis Ma. k is prepared into a bacterial agent, the effect of the bacterial agent for feeding animals is safe and reliable, and the bacterial agent plays positive roles in promoting the digestion and absorption of nutrients, reducing the diarrhea rate, improving the feed conversion efficiency and promoting growth.

The invention belongs to the technical field of animal feeds, and particularly relates to a waste bacteria stick feed for cattle and sheep and a preparation method thereof. The waste bacteria stick feed is prepared from waste bacteria sticks, corn steep liquor, a ferment, calcium carbonate, selenium oxide, zinc sulfate and sodium molybdate. The waste bacteria sticks are pleurotus eryngii waste bacteria sticks; the corn steep liquor accounts for 30-40 wt% of the waste bacteria sticks; the ferment accounts for 0.1-0.2 wt% of the waste bacteria sticks; the calcium carbonate accounts for 0.5-0.7 wt% of the waste bacteria sticks; 0.25-0.3mg of the selenium oxide is added to every kilogram of the waste bacteria sticks; 30-50mg of the zinc sulfate is added to every kilogram of the waste bacteria sticks; and 50-70mg of the sodium molybdate is added to every kilogram of the waste bacteria sticks. The feed is low in price, does not need any additive, and can enhance the protein content in the cattle and sheep.

The invention relates to a premixed feed capable of relieving heat stress of growing and fattening pigs. The premixed feed comprises the following components in percentage by weight: 4-6 percent of 98% L-lysine hydrochloride, 5-8 percent of sodium bicarbonate, 2-4 percent of 50% choline chloride, 5-20 percent of ultrafine astragalus powder, 2-4 percent of an acidifying agent, 1-1.2 percent of composite vitamins, 2-3 percent of a trace element additive and 64-78 percent of a carrier. Compared with the prior art, the premixed feed disclosed by the invention has the advantages that the palatability of the feed can be obviously improved, the daily intake of the pigs is increased, the physiological status of bodies under a condition of heat stress is effectively changed, harmful bacteria are reduced, the possibility of constipation, fever and poisoning of the pigs is effectively reduced, and a healthy digestive tract is formed; furthermore, the acid-base balance of liquid environments inside and outside cells can be adjusted, and thus healthy and quick growth of the growing and fattening pigs is facilitated.

The invention discloses a health-care sheep feed suitable for ruminants. The health-care sheep feed is prepared from the following raw materials in parts by weight: 80-90 parts of soybean hull, 10-15 parts of kelp, 5-10 parts of pumpkin seeds, 30-35 parts of alfalfa powder, 2-3 parts of jasmine flowers, 3-4 parts of white sugar, 5-10 parts of apple dietary fiber, 6-9 parts of egg white, 4-5 parts of coconut oil, 4-6 parts of ramulus mori additive, an appropriate amount of alpha-amylase, an appropriate amount of tea saponin, an appropriate amount of arabic gum, an appropriate amount of cobalt chloride and an appropriate amount of water. In the health-care sheep feed suitable for ruminants disclosed in the invention, the soybean hull is adopted as the main material, and is baked and subjected to enzymolysis treatment, so that the fragrance unique to the soybean hull can be volatilized, the water soluble ingredients of the dietary fiber in the soybean can be improved, and the physiological activity of cellulose is improved.

The invention discloses a feed additive for removing mold and toxics from poultry. The feed additive comprises components in parts by mass as follows: 35-46 parts of hydrated sodium calcium aluminosilicate, 23-37 parts of mannan, 12-25 parts of nano montmorillonite, 2-11 parts of a microbial composite preparation and 5-18 parts of an absorption promoting nutrient. The microbial compound preparation comprises components in parts by mass as follows: 12-16 parts of lactobacillus acidophilus, 22-35 parts of lactobacillus plantarum, 5-11 parts of lactobacillus bulgaricus, 7-18 parts of bifidobacterium, 13-25 parts of bacillus and 3-8 parts of peptococcus. The absorption promoting nutrient comprises components in parts by mass as follows: 55-85 parts of platycodon roots, 70-130 parts of dandelion, 60-95 parts of purslane herb, 30-60 parts of nutmeg, 28-55 parts of radix puerariae and 10-25 parts of haws.

The invention provides application of a Chinese herbal medicine feed additive. The Chinese herbal medicine feed additive is obtained by mixing all traditional Chinese medicine raw materials or mixing all the traditional Chinese medicine raw materials and grinding the obtained mixture. The traditional Chinese medicine raw materials comprise, by mass, 16-17 parts of glossy privet fruit, 11-12 parts of licorice roots, 16-17 parts of white pepper, 16-17 parts of radix salviae miltiorrhizae, 16-17 parts of kudzuvine roots, 11-12 parts of Chinese magnoliavine fruit and 11-12 parts of fructus foeniculi. The Chinese herbal medicine feed additive is used for being fed to livestock to improve the effects of livestock growth, disease resistance and emasculation. The Chinese herbal medicine feed additive has the advantages that the formula is easy, the materials are easy to obtain, the cost is low, the preparation method is simple, and the cock emasculation effect is significant.

The invention relates to an astaxanthin-containing piglet feed additive as well as a preparation method and application thereof and belongs to the field of feed. The preparation method of the astaxanthin-containing piglet feed additive comprises the following steps: carrying out enzymolysis on algae powder with a compound enzyme, so that enzymatic hydrolysate is obtained, and then drying, whereinthe compound enzyme comprises cellulase and protease. The preparation method of the astaxanthin-containing piglet feed additive is simple in operation, can effectively release astaxanthin contained inthe algae powder and is beneficial to improvement of utilization rate of the astaxanthin. The piglet feed additive prepared by adopting the preparation method contains rich astaxanthin and proteins and can effectively improve appetite of piglets and skin color and hair quality of the piglets. The piglet feed additive provided by the invention can obviously improve daily feed intake and daily gainof the piglets and also can effectively improve the skin color and hair quality of the piglets when being used for preparing piglet feed.