1159 results about "Weight gaining" patented technology

The invention includes a protein rich, dry dietary supplement comprising a blend of legume protein, whey protein, egg white, calcium caseinate and powdered skim milk that is specifically formulated for weight control without the use of artificial appetite suppressants, but instead provides beneficial nutrients and supplements that naturally curb the appetite for specified periods of time. A preferred set of ingredients includes a protein blend combined with additional nutrients, vitamins, minerals and flavorings to enhance taste and further control the need for caloric intake. Various other preferred forms of the invention provide for implementation to allow for weight gain or weight maintenance of individuals desirous of the use of the beverage as a dietary supplement for those purposes.

The present invention relates to the production of a highly digestible, high protein product (high protein distillers dried grains or high protein DDG) from corn endosperm, and more particularly to a method for the recovery of high protein DDG by using: (i) dehulling and degermination to isolate a low fat, low fiber corn endosperm fraction, (ii) enzymatic hydrolysis to solubilize and alcoholic fermentation to assimilate the starch and non-starch carbohydrates present in the corn endosperm, and (iii) filtration and / or centrifugation to recover the dealcoholized insoluble solids that remain after fermentation of the corn endosperm. The present invention provides an alternative to the traditional dry mill method of processing corn to produce ethanol, and results in the production and recovery of a distillers' by-product (high protein DDG) with increased value and range of use as an ingredient in feeds for farm-raised ruminants and non-ruminants and pet foods. The product of the present invention contains less than about 2.0 weight percent starch, from about 55.0 to about 65.0 weight percent protein, from about 4.5 to about 7.5 weight percent fat, from about 3.0 to about 5.0 weight percent crude fiber, and from about 78.0 to about 90.0 percent total digestible nutrients, and improves the palatability and digestibility of animal feeds and / or pet foods into which it is incorporated, and aids in the management of the health and weight gain of the animal.

The invention relates to a feed for early weaned piglets, which belongs to the field of the feed. Main ingredients of the feed comprise expanded corn, full-fat soybean, fat powder, steam fish meal, acidified whey powder, fermented soybean meal, a complex enzyme preparation, a micro-ecological preparation, amino acids, complex vitamins, complex trace elements and the like. The digestive physiological characteristics of the weaned piglets are fully considered on the selection and the processing of raw materials, thereby greatly improving the palatability and the digestion rate of the feed; simultaneously, through the synergistic compatibility of an egg yolk antibody, lactein, sodium humate and the complex micro-ecological preparation, the diarrhea rate of the weaned piglets is reduced, the effects are superior to those of adding antibiotics into the feed, and the feed is the green, environmentally-friendly and nuisanceless feed. An animal feeding experiment proves that the feeding effects are ideal, the palatability is good, the piglets after weaning are high in average feed intake, fast in daily weight gain and low in diarrhea rate, and the feed has a good promoting effect for growth and health conditions of the weaned piglets and can meet the demands of most of raisers at present.

A pharmaceutical composition includes a therapeutically effective amount of exo-S-mecamylamine or a pharmaceutically acceptable salt thereof, substantially free of exo-R-mecamylamine in combination with a pharmaceutically acceptable carrier. Preferably the amount is about 0.5 mg to about 20 mg. Medical conditions are treated by administering a therapeutically effective amount of exo-S-mecamylamine or a pharmaceutically acceptable salt thereof, substantially free of its exo-R-mecamylamine, said amount being sufficient to ameliorate the medical condition. The medical conditions include but are not limited to substance addiction (involving nicotine, cocaine, alcohol, amphetamine, opiate, other psychostimulant and a combination thereof), aiding smoking cessation, treating weight gain associated with smoking cessation, hypertension, hypertensive crisis, Tourette's Syndrome and other tremors, cancer (such as small cell lung cancer), atherogenic profile, neuropsychiatric disorders (such as bipolar disorder, depression, an anxiety disorder, schizophrenia, a seizure disorder, Parkinson's disease and attention deficit hyperactivity disorder), chronic fatigue syndrome, Crohn's disease, autonomic dysreflexia, and spasmogenic intestinal disorders.

The present invention relates to a novel feed composition for animals, for example poultry, comprising as active ingredient benzoic acid, derivatives or metabolites thereof, in combination with a mixture of at least two active compounds selected from the group consisting of thymol, eugenol and piperine. The inventors found that in addition to the well known function of benzoic acid, this compound can be used as a potential growth promoter when it is combined with a mixture of at least two active compounds selected from the group consisting of thymol, eugenol and piperine. In particular the inventors have been able to demonstrate that a mixture of these chemical compounds present in different parts of plants, used in synergy and in combination with an appropriate amount of benzoic acid, exhibits, in totally unexpected manner, the effects sought by the present invention of improving the digestibility of poultry feed, i.e. for improving feed conversion ratio and / or daily weight gain in animal.

A feed additive composition comprising a direct fed microbial in combination with a protease, and a phytase, and a method for improving the performance of a subject or for improving digestibility of a raw material in a feed (e.g. nutrient digestibility, such as amino acid digestibility), or for improving nitrogen retention, or for improving the subject's resistance to necrotic enteritis or for improving feed conversion ratio (FCR) or for improving weight gain in a subject or for improving feed efficiency in a subject or for modulating (e.g. improving) the immune response of the subject or for promoting the growth of beneficial bacteria in the gastrointestinal tract of a subject, which method comprising administering to a subject a direct fed microbial in combination with a protease and a phytase.

A preparation method of a microecological culture feed additive belongs to the technical field of livestock and poultry feed additive. A solid fermentation medium comprises 40% of wheat bran, 10% of corn, 9% of soybean meal, 0.5% of urea, 0.1% of potassium dihydrogen phosphate, 0.1% of sodium dihydrogen phosphate, 0.1% of manganese sulfate, 0.2% of calcium chloride and 40% of water. fermentation strains include plant lactobacillus, bacillus subtilis and saccharomyces cerevisiae in a ratio of 1:2:2. The method comprises the following steps: crushing, sieving, mixing, disinfecting, preparing fermentation bacteria liquid, inoculating fermentation strains and obtaining a finished product. The microecological culture feed additive provided by the invention combines functions of nutrition and health care, has no toxic or side-effect or pollution, and can improve antioxidation capability and immunization function of a weaning pigling, increase daily weight gain of the pigling and forage conversion rate, reduce diarrhoea rate, reduce or prevent pigling weaning stress syndrome and substitute antibiotic additive in forage.

The invention discloses a turtle feed and a preparation method of the turtle feed. The turtle feed comprises the following components by weight ratio: 30-40% of imported fish meal, 25-35% of bean pulp, 10-20% of shrimp meal, 6-10% of beer yeast powder, 2-4% of fish oil, 0.4-0.6% of choline chloride, 0.4-0.6% of lysine, 0.4-0.6% of multivitamin, 0.4-0.6% of multimineral, 12-16% of high protein flour and 6-10% of Chinese herbal medicine. The compound feed is prepared by mixing, super micro-grinding, screening, mixing for a second time, granulating by expansion, drying, cooling and packaging. The turtle feed does not contain antibiotics, is complete in nutritional ingredients and high in palatability, and has the functions of preventing diseases of turtles in the feeding process, reducing the probability of disease occurrence, increasing the survival rate of baby turtles and being beneficial to growth of the baby turtles and weight gain of adult turtles.

The invention discloses a heat preventing and insulating stealth compound material with broad-band wave absorption and a preparation method thereof. The compound material comprises a cold-faced panel,a first aerogel compound material heat-insulating layer, a first resistance high-temperature super-material layer, a second aerogel compound material heat-insulating layer, a second resistance high-temperature super-material layer, a third aerogel compound material heat-insulating layer and a hot-faced panel from inside to outside sequentially. In the aspect of heat preventing and insulating performance, compared with existing heat insulating tiles and cover plate type heat prevention systems, the integrated heat preventing and insulating stealth compound material has the advantages of good heat insulating performance, excellent mechanical performance, large component preparation availability, high reliability, easiness in maintenance and the like; and in the aspect of stealth performance, the technical scheme adopting the high temperature super-material has the advantages of strong designability and easiness in broad-band wave absorption implementation, weight gain is hardly generated in comparison with the technical scheme of a cold-faced by adopting a wave absorbing material, absorbent is not required to be added into a heat preventing and insulating material, the heat preventing and insulating performance is not influenced, and the material has good uniformity and strong controllability.

The present invention provides one kind of feed level microbe additive and its preparation and application. The microbe additive includes mainly probiotics part and nutritious liquid part. The probiotics part contains acidophilic lactobacillus, fecal enterococcin and butynic clostridium; and the nutritious liquid part contains acetic acid, propanoic acid and butyric acid. The feed level microbe additive is taken by chickling in 24 hr after hatching, and this can reduce the use amount of antiseptic medicine obviously, raise daily weight gain, lower the feed / meat ratio and raise economic utility obviously. In addition, it has simple preparation and low cost.

A nutritional supplement composition having therapeutically effective amounts of milk minerals including calcium, a protein source including κ-casein fragment 106-169, and enzyme-inhibiting peptides is provided for the treatment of body weight conditions. The nutritional supplement composition is administered in amounts effective for limiting weight gain and / or enhancing weight loss, as well as promoting overall good health, in the treatment of body weight conditions, including overweight and obesity.

The invention discloses a compound feed for early-weaned piglets, the compound feed for the piglets has nutrient balance, high digestion rate of nutrients and good palatability and can significantly improve the feed intake, reduce the diarrhea rate, improve the survival rate, lead pigs to have red skin and bright hair, significantly improve the uniformity, and improve the daily weight gain and the feed conversion rate by being used for feeding the early-weaned piglets, thereby laying a solid foundation for rapid growth during the growing-finishing stage; and the various production performance indexes can be further significantly improved by combining with isolated feeding and the all-in and all-out system.

An animal feed such as a milk replacer includes a soluble fiber and a sugar alcohol. The milk replacer enhances weight gain, starter intake and reduces weaning time. The method of feeding the animal includes feeding a mixture of a soluble fiber and sugar alcohol. The animal feed may be used as a method of weaning young ruminants such as calves.

The invention relates to a fattening feed for livestock, a preparation method and a fattening method thereof, in particular to the fattening feed for Luxi yellow cattle, the preparation method and the fattening method thereof. The fattening feed for the Luxi yellow cattle is characterized by comprising coarse fodder, fine fodder and Chinese herbal medicine feed, wherein the weight ratio of the coarse fodder and the fine fodder is 4%-6% and 0.5%-1.5% of body weight in per head of cattle, and the weight ratio of the Chinese herbal medicine feed is 2%-4% of the weight of the fine fodder. By adopting the fattening feed for the Luxi yellow cattle, the preparation method and the fattening method thereof, the feed intake of the beef cattle can be increased by increasing the fragrance in the feed, the weight gain speed of the beef cattle can be accelerated, and the economic benefits can be improved; by using the Chinese herbal medicine feed, the use of antibiotics, hormones and other chemicaldrugs can be avoided, and the present problem of causing harm to health of human bodies due to over-standard chemical elements and residues of chemical pesticides can be solved; and the meat quality of the Luxi yellow cattle can be improved, beef is fresh and tender, the color is cherry red, the beef has marble-like lines, the palatability of the beef is good, and the nutritional value of the beef is improved.

The invention provides a novel pig feed formula which relates to an animal feed formula, in particular to a pig feed formula. The feed comprises the following ingredients in proportions: 40-75% of corn, 5-28% of soybean meal, 0-6% of peanut meal, 0.05-0.45% of table salt, 0-0.4% of sodium sulfate, 0-0.7% of lysine hydrochloride, 0-1.1% of lysine sulfate, 0-1.2% of powdered 50% choline chloride, 0.05-5% of mineral trace element premix, vitamin premix 50-1000grams / ton, phytase feed additive 0-1000grams / ton, bacillus licheniformis powdered preparation 50-2000grams / ton, and niacin / chromium picolinate feed level / food level / medicine level additive 50-500grams / ton. By adopting the novel pig feed formula, the back fat of the fattened pigs for sale is lower than 1cm, the daily weight gain of the fattened pigs above 60-100kg for sale reaches or exceeds 1000 grams in the late fattening stage, and the consumption-weight gain ratio is lower than 2.7.

The invention discloses pig homologous raw material-free attracting starter compound feed for porkets. According to a technical scheme adopted by the invention, the feed is composed of the following raw materials by weight percent: 35-45% of a puffed raw material, 5-8% of a soybean protein concentrate, 10-15% of fermented soybean meal, 4-5% of hydrolyzed wheat protein, 6-10% of lactose, 4-8% of whole milk powder, 3-5% of a casein, 2-5% of a nucleotide, 2-5% of fish meal, 1-3% of amino acid, 0.5-2% of glutamine, 0.5-1% of an acidifying agent, 2-5% of plant oil, 0.02-0.1% of a composite vitamin, and 0.1-0.5% of a composite trace element. Application of the feed in the invention presents strong feed attraction to porkets which can start feed taking in1-2d with rapidly increasing intake. With balanced and comprehensive nutrition similar to breast milk, the feed provided in the invention is characterized by high digestibility in porkets, no diarrhoea, effective overcoming of weaning stress, and rapid weight gain, and can effectively increase the porket weaning weight and the weight after two weeks of weaning, as well as improve porket survival rate and production performance. Free of plasma protein powder, dried porcine soluble and other pig homologous raw materials, the feed of the invention has no risk of homologous pig pathogen infection, and boasts significant biosecurity.

The invention discloses a total mixed fermented feed for mutton sheep fattening; the early-stage total mixed fermented feed comprises the following components by weight: 26-35 parts of mixed forage, 17-24 parts of straw, 7-13 parts of alfalfa, 15-24 parts of corn, 3-7 parts of cottonseed meal, 5-10 parts of sunflower cakes, 3-9 parts of flax cakes, 0.3-0.7 parts of calcium hydrophosphate, 0.5-1.0parts of sodium bicarbonate, 0.5-1.1 parts of table salt, and 0.7-1.2 parts of composite premix of vitamins and trace elements; the later-stage total mixed fermented feed comprises the following components by weight: 25-35 parts of sunflower disc powder, 7-12 parts of straw, 7-13 parts of alfalfa, 25-35 parts of corn, 5-10 parts of dry vinasse, 2-5 parts of cottonseed meal, 5-9 parts of sunflowercakes, 0.3-0.7 parts of calcium hydrophosphate, 0.5-1.0 parts of sodium bicarbonate, 0.5-1.1 parts of salt, and 0.7-1.2 parts of composite premix of vitamins and trace elements. By lactic acid fermentation, the preparation method of the invention can increase the digestibility for dry matter of the feed, and facilitates long-term storage; the protein content and quality of the fermented feed are increased and improved; the utilization rate and conversion efficiency of the feed are increased; the feed intake and weight gain efficiency of mutton sheep are significantly increased; the mutton quality is improved.

The invention discloses a large-scale chicken-raising production and environment regulation technology. According to the invention, factors such as temperature, humidity, light, diet, density and diseases in chicken-raising production are regulated, such that an extremely comfortable living environment is created for chicken. Chicken disease occurrence rate is effectively reduced, chicken productivity is improved, and farming yield is increased. A feeding method is scientific, and management is appropriate, such that chicken can obtain adequate nutrients. Therefore, chicken growth speed is accelerated, chicken weight gain rate is improved, chicken limbs are robust, and chicken meat is delicate. With small environment regulation in a chicken coop and scientific artificial immunization, chicken disease resistance and bacterium resistance are enhanced, and disease rate is greatly reduced. With the technology, significant economic, social and ecological benefits are obtained.

The invention discloses a milk replacer for stimulating calf rumen development and a feeding method thereof. The milk replacer consists of calfmeal and a calf starter. The calfmeal in the invention contains soluble dietary fiber able to maintain calf intestinal health, body immunity improving and palatability adjusting substances. Especially starch and particles in the starter have certain hardness which can promote the rumen nipple development of calves, and enough digestible fiber in the starter can support the normal proceeding of rumen fermentation, so that calves can be guaranteed to get nutrients necessary for growth and development from solid forage early, and the calf constitution can be improved, the disease resistance is enhanced, and the daily weight gain as well as the feed intake for solid forage are raised. With obvious feeding effect, the milk replacer of the invention has convenient raw material resource, rational price, and can reduce the feeding cost of calves and obtain great economic benefit. 350kg of fresh milk is needed for breeding a calf, while with the milk replacer, 300kg of fresh milk can be saved by each calf. Calves fed with the milk replacer provided in the invention can be weaned in 40 days, therefore, the feeding cost can be directly saved by 174.95 yuan by each calf.

The invention relates to a Chinese herbal weight gaining immunizing agent used in a feed additive. The invention adopts the medicament made by components with the following weight ratio: hawthorn is 25 to 35 percent, magnolia bark is 8 to 12 percent, immature bitter orange is 8 to 10 percent, atractylodes rhizome is 8 to 12 percent, milkvetch root is 15 to 20 percent, maifan stone is 1.5 to 2.0 percent, gynostemma pentaphyllum is 4 to 6 percent, tangerine peel is 0.8 to 1.5 percent, medicated leaven is 0.8 to 1.5 percent, licorice is 0.4 to 0.8 percent, malt is 5 to 15 percent, and chuanxiong rhizome is 0.4 to 0.8 percent. The invention determines the research and development of the Chinese herbal weight gaining immunizing agent for livestock breeding according to the traditional Chinese herb theory and animal nutrition development trend at home and abroad, and provides scientific basis for the application of the Chinese herbal in the livestock breeding production, meanwhile, the application scope of the Chinese herbal in the livestock production is expanded, and thereby the economic benefits of the livestock breeding are improved.

An animal feed such as a milk replacer includes a soluble fiber and a sugar alcohol. The milk replacer enhances weight gain, starter intake and reduces weaning time. The method of feeding the animal includes feeding a mixture of a soluble fiber and sugar alcohol. The animal feed may be used as a method of weaning young ruminants such as calves.

Animal feedstuff having beneficial properties is obtained by adding to a substrate one or more fungal species of the kind that excretes substances into said substrate during its growth which are beneficial to the health, growth or weight gain of an animal, or animals to which the feedstuff is intended and allowing the fungus to grow and / or ferment on the substrate. Suitable substrates are cereal grains, residue of cereal grains, agricultural primary products, agricultural waste products, and other cellulosic materials or a combination of one or more of the same. Suitable fungus species include Cordyceps species, Ganoderma species, Grifola species, Trametes Species, Lentinula species, Antrodia species, Agaricus species, Tremella species, Pleurotus species, Lentinus species, Polypore species, Agaricales species, Ascomycetes species and Basidiomycetes species. Some substrates such as certain agricultural waste products and cellulosic material are not suitable for animal consumption per se but become suitable as a result the fungal growth and fermantation by the fungus or fungi on and in them.

This invention is directed generally to compositions (including foods, supplements, treats, toys, etc.) for animal consumption, particularly compositions that tend to aid in weight loss or reduction in weight gain, and particularly compositions that comprise one or more medium chain fatty acid triglycerides (“MCT”). This invention also is directed generally to methods for using such compositions. This invention is further directed generally to processes for making such compositions.

The invention discloses an active micromolecular ecological nutrition agent and a use method thereof. The nutrition agent is obtained by taking organic waste as the raw material, carrying out subcritical water treatment under 180-280DEG C and 1.2-7.5Mpa for 40-90min, and then performing solid-liquid separation. In a solid fertilizer, the content of organic matters is 70-90%, the content of total nutrients is 4-6%, the content of amino acid is greater than or equal to 20%, the content of humus is greater than or equal to 45%, the content of trace elements is greater than or equal to 0.5%, and the pH is 4-6. In a liquid fertilizer, the content of organic matters is 50-120g / L, the content of total nutrients is 500-950mg / L, the content of amino acid is greater than or equal to 10g / L, the content of humus is greater than or equal to 20g / L, the content of trace elements is greater than or equal to 200mg / kg, and the pH is 4-6. According to the use method, in addition to be used for topdressing, the solid fertilizer can be applied individually or mixed with other fertilizers, can be used for furrow fertilization, row fertilization, hole fertilization or spray fertilization and rotary tillage, and the dosage for every 666.67 square meters is 200-850kg. The liquid fertilizer can be used for flushing fertilization, jet fertilization, spray fertilization or drop irrigation with water, and the dosage for every 666.67 square meters is 20-200kg. The organic fertilizer involved in the invention has higher fertilizer efficiency and activity, can make fruit tree single fruit reach a weight gain of 7-15%, melons and fruits reach a yield increase of 10-20%, grains reach a yield increase of 5-16%, and vegetables reach a yield increase of 8-20%. Also, the quality, growth and soil indexes are improved, fertilizer consumption is greatly reduced, resources are saved and environmental protection is achieved.

Compositions for golf balls that are formed from the reaction product of an isocyanate-containing component and an amine-terminated component having an unsaturated backbone, which is cured with a curing agent. In particular, the compositions of the invention may be formed from a prepolymer having urea linkages and at least one carbon-carbon double bond in the backbone that is cured with an amine-terminated component resulting in golf balls having weight gain comparable to ionomers and less loss of COR as compared to ionomers and conventional polyurethanes after submersion in water.

The invention belongs to the bait research and exploitation technical field in fishery science. The invention relates to an optimum processing technology for a compound Chinese herbal medicine additive aquatic feed. By using different processing technology and component proportion on the compound Chinese herbal medicine, the compound Chinese herbal medicine can be taken as one of feed raw materials with low investment and high yield, the aquatic feed can effectively increase the feeding of the fish, absorption efficiency and assistant growth and the like, and can be taken as a novel feed resource for exploitation and application. The compound Chinese herbal medicine feed additive can be prepared by the following steps according to different processing technologies: inspecting medicines, weighting, using a water extraction or a crushing method, adding a formula feed, uniformly mixing, placing under the temperature of 30-38 DEG C for continuously fermenting for 1-2 hours to prepare the granular feed, and drying and moulding at the temperature of 60 DEG C. By culture tests, compared the test feed with the basic feed, the weight gain, specific growth rate, bait coefficient, feeding promotion activity equalization index of the tested fish can be tested, and the optimum processing technology and the component proportion can be determined. The research has important application meaning.

Disclosed are a multipurpose, high-functional, alkaline solution composition, preparation therefor and use thereof as a nonspecific immunostimulator. The composition comprises 1-25 parts by weight of borax (Na2B4O7.10H2O), 10−5-10−4 parts by weight of sodium thiosulfate (Na2S2O3.5H2O), 30-150 parts by weight of potassium carbonate, 30-200 parts by weight of refined sugar (C12H22O11), and 100-200 parts by weight of water, based on 100 parts by weight of sodium metasilicate (Na2SiO3.5H2O). In addition to bringing about an improvement in disease resistance, weight gain rate, crop yield, crop quality, harvest time, the composition shows nonspecific immunostimulating activities, including antibody production and immune enhancement, by activating immune cells, thereby maximizing vaccination effects on malignant viral diseases.

The invention discloses a sintered Fe-Al-based alloy porous material with better high temperature resistance and antioxidant activity, and a filtering element employing the material. The porosity of the sintered Fe-Al-based alloy porous material is 30% to 60%, and the average pore diameter is 0.5 to 50 mum m; the sintered Fe-Al-based alloy porous material is characterized in that the material is mainly composed of Fe, Al and Si; the sum of the weights of the three elements and accounts for more than 90% of the weight of the sintered Fe-Al-based alloy porous material, wherein the weight of Fe accounts for 60% to 85% of the total weight of Fe and Al, and the weight of Si accounts for 0.5% to 8% of the total weight of Fe, Al and Si; Si in the sintered Fe-Al-based alloy porous material exists mainly in the form of silicon solid solution of Fe-Al-based compound or in the form of Fe5Si and is uniformly distributed in the material approximately; the tensile strength of the sintered Fe-Al-based alloy porous material is larger than or equal to 45 MPa, the thickness is smaller than or equal to 5 mm, and the air flux is large than or equal to 80 m<3> / m<2> / kpa / h; after the material is soaked in NaOH solution with the mass fraction of 5% under the ambient temperature for 15 days, the weight loss ratio is less than 0.5%, and after the material is kept in the atmosphere with the temperature of 800 DEG C for 90 hours, the weight gain rate of the material is tested to be lower than 25%.

The invention relates to fodder and a use method, in particular to concentrated calf fodder and a use method thereof. The fodder comprises protein fodder and a premix compound, wherein the protein fodder is prepared from raw materials of bean cakes, corn protein powder, cotton dregs, complex enzymes, and the like; and the premix compound is prepared from common salt, fluorspar powder, magnesium sulfate, sodium diacetate, calcium hydrogen phosphate, soda, sodium humate, monensin, vitamins and trace elements of copper, iron, manganese, zinc, cobalt, and the like. The use method comprises the following steps: manually feeding calves at age of 3-5 days with a mixture of the concentrated calf fodder and a certain amount of milk; and stopping feeding the milk when the calves are at age of 60 days; and coming into a fatting period when the calves are at age of 120 days. The calf fodder has complete nutrients, reasonable proportion and low cost and is fed to the calves in a suckling period to substitute a great amount of milk, improve the commodity rate of the milk, facilitate the growth and the development of the calves, shorten the suckling period by 50 percent, increase the weight-gaining speed by about two times, shorten the deliver time by one half, increase the current fertility rate of milk cows by about two times, realize perennial milking, facilitate mechanical milking and scaled stabling management and remarkably improve the economic benefits, the social benefits and ecological benefits of cattle rearing in a plurality of aspects.

The invention relates to the field of livestock farming, in particular to a feed additive for improving swine reproductive performance and a preparation method thereof.The feed additive comprises the following materials for preparation: leaves of Artemisia Argyi, leaves of Moringa oleifera, bark of Eucommia, fruit of Momordica grosvenori, pine needle meal, yeast powder, beta-mannosidase and a milk flavoring agent.The additive of the invention has the effects of preventing miscarriage, fighting bacteria and diminishing inflammation, relaxing the bowels, inducing diuresis, expelling parasite and improving sleep and also improves appetite of a pig, increases feeding quantity of the pig and promotes growth and development by improving the tasting and smelling sensations of the pig for feed.The additive of the invention can significantly increase litter size of a sow, reduce miscarriage and reduce fetal mortality, can increase milk volume of a sow and daily weight gain of a piglet, has significant effect of improving swine reproductive performance, and is simple to prepare, high in safety, free of irritation and worthy of popularization.