324results about How to "Physically strong" patented technology

The invention discloses a laying hen feed additive and belongs to the technical field of feed additives. The laying hen feed additive is composed of following components in parts by weight: 35-65 parts of corns, 5-10 parts of rice bran, 4-9 parts of wheat bran, 5-9 parts of peanut meal, 0.5-3 parts of plant oil, 0.2-0.4 part of table salt, 0.1-0.2 part of a calcium element additive, 0.4-2.6 parts of amino acid, 0.05 part of a complex enzyme preparation, 0.012 part of phytase, 0.05-0.12 part of choline chloride, 50-150 parts of vitamin E, 1-5 parts of cordyceps taishanensis powder, 2-6 parts of asparagus cochinchinensis powder, 0.5-1 part of glycyrrhiza uralensis powder, 5-8 parts of a bacillus subtilis CGMCC7926 (China General Microbiological Culture Collection Center 7926) bacterium agent culture, 3-6 parts of a lactobacillus plantarum CGMCC7928 bacterium agent and 1-2 parts of a saccharomyces cerevisiae bacterium agent. The laying hen feed additive sufficiently guarantees that propagative organs of laying hens are completely and rapidly developed; eggs laid on an egg laying initial phase are heavy and large and the peak is high and the egg laying peak is maintained for long time.

The invention discloses a special compound premix for a fermented feed. The special compound premix is prepared from the following main components by weight percentage: 2-2.5 percent of fermented culture, 8-10 percent of enzyme preparation, 30-37.5 percent of fermentation promoter and 50-60 percent of feature pack aiming at different animals (piglets, middle and big pigs, sows, laying hens, dairy cows and fattening sheep). When the fermented feed is used in a large scale for a long time in daily ration of animals, the fermented feed is matched with the special compound premix to use, so that the normal supply of amino acids, vitamins and microelements for animal bodes can be ensured. Moreover, the premix does not contain hormones, antibacterial agents, antioxidants and flavoring agents, and the copper and zinc contents are lower than the national standard. The special compound premix has important meanings for providing safe meat, egg and milk foods, avoiding environmental pollution, realizing green no-antibiotic and hormone breeding, and ensuring the healthy and sustainable development of animal husbandry and aquaculture.

The invention discloses an efficient pond breeding method for loach large-size offspring fry. According to the method, firstly, an optimum growing environment and nutritional ingredients of the loach fry are selected, all the links that the loach fry is hatched into large-size fry with the size larger than 5cm are designed elaborately, namely, a loach pond is divided into regions and an aerator is additionally arranged by changing the structure and the layout of the loach pond, the survival rate of the loach fry is greatly improved, the breeding time of the loach fry is shortened by changing the formula of feed of the loach fry, the loach survival rate is improved, the loach fry can grow into the loach fry with the size larger that 5cm after being bred for 50-52 days, the yield per mu is larger than 400kg, the loach survival rate reaches up to 30-40% and is far higher than the same industry level in China, and the method ranks in international advanced level. Meanwhile, the loach large-size offspring fry bred with the method has the advantages of being strong in constitution, resistant to long-distance transportation, short in fry revival period, high in survival rate and the like, and therefore popularization of the method will bring great economic benefits.

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 ferment biological complete feed which relates to the technical field of complete feeds. A formula of the ferment biological complete feed comprises the following components in percentage by weight: 5-10 percent of broken rice, 5-25 percent of barley, 5-10 percent of wheat, 5-25 percent of corn, 2-3 percent of molasses, 6-16 percent of fish meal, 2-3 percent of bean pulp, 1-2 percent of peanut meal, 10-20 percent of wheat bran, 3.3-15 percent of barley bran, 1.8-5 percent of rice bran, 5-12 percent of green grass powder, 0.4-0.5 percent of bone meal, 0.4-0.5 percent of calcium carbonate, 0.4-0.7 percent of salt and 1-3 percent of ferment bacterium. The total crude protein amount of the feed is 15.7-20 percent. The complete feed can remarkably improve the conversion ratio and the utilization ratio of the feed or additives, ensure that nutrition components in the feed or the additives can be really and completely absorbed and utilized, simultaneously improve the living organism balance, enhance the disease resistance capacity of livestock, eliminate the drug residue and guarantee the body health of people and organic food sources.

The present invention relates to giant salamander aquiculture method and apparatus in simulated habitat. Giant salamander is hatched and cultured in a simulated habitat with proper natural geographic condition, overshadowed and water flowing environment established according to the characteristics of giant salamander in different growth stages, including oviposition, hatching, infant giant salamander, adult giant salamander, etc. During oviposition and hatching, spawning inducing medicine and hatching liquid in proper amount are adopted separately. The present invention is favorable to raising the propagation rate of giant salamander and promoting the growth of giant salamander.

The invention relates to the field of aquatic feed, in particular to special formula feed for improving tilapia mossambica meat quality and a preparation method thereof. Ingredients in a feed formula comprise, by weight, 40-70 parts of broad bean, 2-5 parts of fish meal, 7-12 parts of bran, 9-19 parts of rapeseed dregs, 8-19 parts of peanut meal, 1-2 parts of fish oil, 0.3-0.5 part of glycine betaine, 0.4-0.6 part of choline chloride, 0.6-0.8 part of monocalcium phosphate, 0.10-0.13 part of methionine, 0.06-0.1 part of enzyme preparation, 0.02-0.03 part of allicin, 0.4-0.6 part of multivitamins and 1.0-1.2 parts of complex mineral. The preparation method of the feed is further provided. The feed can improve the tilapia mossambica meat quality to be firm, hard, crisp and tasty, improves growth performance of tilapia mossambica, reduces pollution on water quality and production cost and remarkably improves economical and social benefit.

The invention discloses a leaf-picking-free silkworm table and a silkworm rearing method. The leaf-picking-free silkworm table is characterized by comprising a silkworm table box, a silkworm table cover, a ceiling and a mulberry branch flexible sealing element, wherein peripheries of the silkworm table box and the silkworm table cover are sealed by a fine nylon net; mulberry branches hooked in the silkworm table are sealed by a flexible material; a mulberry branch hooking frame with hooks and a silkworm rearing bed surface are arranged at the upper part of the silkworm table box and connected by using a lifting device; the mulberry branch hooking frame is placed at the inner side of the upper-part box of the side wall of the silkworm table box; and the silkworm rearing bed surface is capable of downwards moving and driving the mulberry branch hooking frame to vibrate up and down when being dropped in place. The rearing method comprises the steps of putting the leaf picking-free silkworm table in a line of a mulberry field, putting silkworms on silkworm rearing bed surface, bending and hooking the mulberry branches on the surface of the silkworm table box, closing the silkworm table cover and the ceiling, grouping the silkworms step by step according to the quantity and assigning to other silkworm tables to rear after half mulberry leaves are eaten by the silkworms. The leaf picking-free silkworm table and the silkworm rearing method have the advantages that the occurrence of silkworm diseases is effectively controlled; the damage of pebrine disease to silkworm egg production is decreased; the silkworm cocoon quality is significantly improved; the work efficiency of silkworm rearing can be greatly increased at the same time; and requirements of large-scale silkworm rearing are satisfied.

The invention belongs to the technical field of traditional Chinese medicine preparation method, and provides a preparation method of a traditional Chinese medicine used for treating gastritis caused by insufficiency of spleen-yang. According to prior arts, gastritis caused by insufficiency of spleen-yang is commonly treated by using omeprazole, which causes adverse reactions. The technical scheme of the invention is that: traditional Chinese medicines of ginseng, human milk, common jujube, common yam rhizome, wheat, different leaves pseudostellaria root tuber, balck-bone silky fowl, wild cabbage, dried longan pulp, largehead atractylodes rhizome, radix paeoniae alba, American ginseng, ligusticum, lotus seed, pilose asiabell root, sharpleaf galangal fruit, mongolian milkvetch root, Siberian solomonseal rhizome, nonglutinous rice, edible bird nest, dried ginger, bayberry, garden radish seed, carica papaya, roof iris rhizome, carrot, buckwheat, medicated leaven, cydonia oblonga mill, cerealose, honey, and licorice are soaked in water, and are decocted by using a mild fire; the obtained solution is filtered, a slag is removed, and the obtained medicine liquid is the traditional Chinese medicine used for treating gastritis caused by insufficiency of spleen-yang. The method is advantaged in that: the preparation method is simple; toxic and side-effects of the traditional Chinese medicine liquid are low; a treatment course is short; and a recovery rate is high. According to the invention, a good effect can be obtained with the cooperation of monarch and minister medicines. A traditional Chinese medicine preparation is adopted, such that adverse reactions, allergic reactions and toxic reactions caused by western medicines are avoided.

The present invention provides an animal and poultry compound premix, which is suitable for being used for producing perfect compound feed for chickens and pigs in different physiology phases. The components of the animal and poultry compound premix of the present invention comprises VitA, VitD3, VitE, VitK3, VitB1, VitB2, VitB6, VitB12, pantothenic acid, nicotinic acid, folic acid, biotin, choline chloride, iron salt, zinc salt, cupric salt, manganese salt, iodine salt, selenote and carriers, and also comprises cobalt salt and lysine. The present invention provided the animal and poultry compound premix comprising various vitamin and microelement with the advantages of high nutritive material content, high feed transforming rate, healthy and high survival rate of the animal and the poultry after eating the premix, the dejection viscosity reducing, which is beneficial for cleaning and reducing the environment pollution; the egg laying rate of the breeding hens is high and the fertility rate and the hatching rate of the breeding hens is improved after being eaten by the breeding hens and the weights of hens are even.

The present invention discloses a technique for making sturgeon fry open mouth and making food-conversion breeding. Said technique is characterized by that according to the different stages of fry growth it can respectively use earthworm segment, whole earthworm and food to raise the sturgeon fry. Said invention also provides the concrete steps of said technique.

The invention discloses a bamboo rat breeding method. The method includes the following steps of young rat feeding and hybridization, wherein in the step of young rat feeding, young rats after ablactation are put into a cultivation pond to be fed in a gregarious mode, female rats and male rats are kept together, and after being pregnant, the female rats are separately kept; in the step of hybridization, after the female rats produce young rats and the young rats are ablactated, the female rats are kept separately, each female rat can mate with multiple male rats, and the male rats are replaced once every other two to seven days until the corresponding female rat is pregnant. The young rats are kept in a grouped mode, 15-20 young rats constitute a group, all groups are combined every other fifteen to twenty days, and the young rats are regrouped. According to the bamboo rat breeding method, the bamboo rats can be cultivated to be docile, one female rat can mate with multiple male rats, and accordingly the breeding rate of the bamboo rats is improved; the bamboo rats are kept through fishscale bamboo, so that the physique of the bamboo rats is improved and the breeding rate is improved.

The invention relates to the field of aquatic feed and particularly provides special compound feed for tilapia meat quality improvement and a preparation method thereof. The feed comprises the following components in parts by weight: 40-70 parts of broad bean, 2-5 parts of fish meal, 7-12 parts of bran, 9-19 parts of rapeseed mea1, 8-19 parts of peanut meal, 1-2 parts of fish oil, 0.3-0.5 part of glycine betaine, 0.4-0.6 part of choline chloride, 0.6-0.8 part of monocalcium phosphate, 0.10-0.13 part of methionine, 0.06-0.1 part of enzyme preparation, 0.02-0.03 percent of garlicin, 0.4-0.6 percent of compound vitamin and 1.0-1.2 parts of composite mineral salt. The invention also provides a preparation method of the feed. The feed has the benefits that the tilapia meat quality can be improved, so that tilapia meat is hard and crisp; and the growth performance of tilapia is improved, so that the pollution to the water quality is reduced, and the production cost is reduced, therefore, the economic and social benefits are remarkable.

The invention relates to the field of animal feeds, in particular to a feed for laying hens in a brooding period. The feed comprises, by weight, grains 20-55 part, flour 208 parts, extruded soybeans 5-20 parts, peeled soya bean meal 10-15 parts, fermented soya bean meal 5-10 parts, steam finish meal 1-5 parts, vegetable oil 0.5-3 parts, calcium and phosphorus raw materials 1-3 parts, plant extract 0.1-1 part, salt 0.1-0.4 part, amino acid 0.3-1.5 parts and compound premix 1 part. The feed does not contain antibiotic, can enable chick intestinal canal to be healthy, strengthen physique of chicken, improve immunity of the chicken and culture benefits and reduce death rate.

The invention discloses a uniform-crowning high-egg-yield laying hen nutritional set feed application method and feed thereof, and belongs to the field of feed compositions and feeding. By repeated demonstrations and laying hen laboratory screening, the feed mainly comprising corn, wheat, corn gluten meal, soybean meal, sunflower seed meal, corn by-products, soybean oil, enzyme preparations, microbial preparations, vitamin E, organic selenium, organic chromium, organic zinc and the like is developed. The set feed is divided into two stages, one ranges from crowning period 16 weeks to 2% laying rate, the other ranges from early laying peak with 2% laying rate to 28 weeks, nutritional levels designed for the two stages are different, the two stages have certain differences in raw materials, requirements for reproductive organ development, weight growth and high egg yield are met sufficiently, and the average egg weight in 28 weeks is 61.3 grams and is 3.03% higher than the average; laying rate reaches above 95%; egg yield is increased from 48.2grams / per egg / per day to 50.1grams / per egg / per day; death and culling rate of the stage from 16 weeks to 28 weeks is decreased to 0.75%; every hen lays three more eggs; and more economic benefit of 18,000 RMB is created by 10,000 hens.

The invention discloses a cherax quadricarinatus breeding method. The method comprises the following steps of pond selection, pond disinfection, breeding water treatment, compound bacteria culture, shrimp fry stocking, feed feeding and pond management. According to the breeding method, by reasonably arranging a shelter, breeding compound bacteria, adding EM bacteria and traditional Chinese medicine powder into feed and the like, breeding is conducted under the condition of not using hormones or antibiotics, the method has the advantages of being ecological, environmentally friendly, less in investment, low in cost and convenient to manage, and the cherax quadricarinatus obtained through breeding is high in survival rate, high in growth speed, healthy and strong in physique, high in diseaseresistance and high in stress resistance.

The invention discloses a kind of denatured layer-shape silicate, the nano polyethene compounded of the layer-shape silicate and the polythene, and the method of preparation. The mentioned denatured layer-shape silicate is the layer-shaped silicate of 60-90 wt%, and after processed by the processing agent of 1-40 wt%, the layer-shape silicate and the processing agent make the ion-exchange reaction or the surface chemical reaction, and when the polymer is inserted in the layer of the layer-shape silicate, the polyethene-layer-shape silicate nano complex materials come into being; the mentioned polythene-layer-shape silicate nano complex materials includes: the polyethene of 50-98 wt%, the denatured layer-shape silicate of 1-40 wt% and the assistant agent of 1-30 wt%; the nano polythene compounded of the denatured layer-shape silicate.

The invention discloses a production method of high calcium, selenium-enriched health rice, referring to the agricultural technological field, comprising the steps of applying 360-500 kg of high calcium fertilizer to field per hectare, preparing soil and transplanting rice; spraying 700-850 g of 10% of sodium selenite solution to foliage per hectare; performing other operations normally; after above steps, harvesting mature rice, namely, obtaining finished products. The production method of high calcium, selenium-enriched health rice solves the problem that the traditional rice is lack of selenium and calcium, and solves the problem that the prior production process is complex; the content of the calcium and selenium in rice is easy to control, so that the high calcium, selenium-enriched rice is suitable for being eaten at long time; the body immunity can be strengthened and the body is strong; the selenium and the calcium are life kindling and scavengers of body waste. The high calcium, selenium foods have strong functions of resisting cancer, protecting health and delaying senility when eaten at long time. The heavy metal pollution of the chemical fertilizer and pesticide for rice is degraded, particularly, the residual quantity of the chemical pesticides and herbicides in rice is degraded when the selenium and calcium element is complemented by crop foliages; thus the method has special function.

The invention provides a large yellow croaker artificial breeding method. The characteristics that when net cage breeding is carried out, direct live foods exist in a sea area water body where fries are located, and the foods multiple in kind and comprehensive in nutrition are used, the fries are moved to net cages for later period breeding, the fries rapidly grow and are healthy in physique, and meanwhile sea area flow is smooth so that parasite diseases of large yellow croakers can be effectively reduced. Compared with the prior art, the large yellow croaker artificial breeding method has the advantages that the main advantages of indoor breeding and net cage breeding are combined, the fries with the body lengths of 1.0cm-1.5cm are moved into the sea area net cages to be continuously bred, movement space required after fry individuals grow up is met, and the fry individuals can live in the outdoor environment under protection of the net cages; the incubation density can be high due to the fact that the fry individuals are small in initial stage breeding, and therefore large-scale breeding is achieved; the production cost is reduced, the fry survival rate is improved, the fry quality is strengthened, the fry releasing requirement with the large standard and the good quality can be met, and meanwhile the later-period survival rate and the finished product quality can be further improved.

The invention belongs to the technical field of turtle egg intensive cultivation and particularly relates to a method for the turtle egg intensive cultivation in a lighting greenhouse. The lighting greenhouse adopted in the method comprises a pool, a ceiling, a water inlet system, a drainage system, an aerating oxygenation system, a warming and heat-insulation system, a radiating system and meshes. The cultivation method includes the following steps: step 1, stocking; step 2, feeding; step 3, water quality management; and step 4, daily management. By utilizing natural renewable energy, cost is saved, manual work is reduced, economic benefit is increased, pollution on the atmosphere is reduced, and therefore the method for the turtle egg intensive cultivation in the lighting greenhouse has the advantages of being clean, low-carbon, energy-saving and efficient.

The invention relates to the technical field of bulk fresh water fish culture, and provides a salinization weight-reducing bighead carp culture method. Selected bighead carps are subjected to pond recuperation and salinization culture, and the bighead carps discharge vivotoxin while swimming by the aid of flowing water so as to remove redundant fat; the bighead carps with weight reduced are subjected to salinization culture with appropriate salinity, harvested bighead carps are good in meat quality, delicious and high in economic value, and cultured bighead carps are bright in body color, strong, free of muddy taste, less in fat and chemical residue, good in taste and high in quality.

The invention discloses an organic grass carp segmented culture method, which is characterized in that the pool culture is adopted for organic grass carps in the fish fry culture stage; the net cage culture is adopted in the fingerling culture stage; and the lake net surrounding is utilized for implementing the ecological culture in the organic adult culture stage. The organic grass carps cultured by the organic grass carp segmented culture method have the advantages that the body of the adult fish is healthy and strong, the body shape is good, the fish meat is compact, the nutrition is rich, the ecological and healthy requirements of people on the organic grass carps can be met, in addition, few contaminants are discharged in the culture period, the influence on the environment is small, and the method conforms to the ecological fishing industry development requirements.

The invention discloses a cultivation method of jute chickens. The cultivation method is characterized by comprising the following steps of: (1) adopting a shiqiza chicken as a first paternal line KL I, adopting a recessive white rock chicken as a first maternal line KLB I to carry out hybridization to obtain a terminal maternal line F1; (2) adopting the shiqiza chicken and a shaxi chicken to carry out hybridization, then intercrossing and fixing to obtain a terminal paternal line KL II; (3) adopting the terminal maternal line F1 and the terminal paternal line KL II to carry out hybridization to obtain the jute commercial broiler chicken. The cultivation method disclosed by the invention aims at overcoming the defects in the prior art, and the cultivated jute chicken is fast in growth speed, high in feed conversion ratio, good in uniformity and strong in disease resistance.

The invention provides a cultivation method for new black pig varieties. The cultivation method is characterized in that by the adoption of a two-way cross mode of Duroc boars and Taoyuan black pig sows, Duroc-Taoyuan F1 is synthesized and cultivated to serve as breeding materials, based on crossing fixation, locked breeding and continuous progeny selection are implemented, a generation is finished a year, and moderate generation overlapping is allowed. In the breeding process, locked breeding is implemented, groups are regenerated, first-time pigs are reserved for seed stocks, a generation is finished a year, the boar blood relationship is kept, the excellent characteristics of the boars serving as families and the excellent characteristics of the sows are inherited and fully expanded in later generations, and the excellent new black pig varieties are cultivated.

The invention discloses a Suhuai pig breeding method, comprising the following steps of: carrying out hybridizing cultivation with new Huai pig as a female parent and pork type yorkshire pig as a male parent, carrying out five times of selection and remaining of each generation, and using the selected and remained pigs as parent pigs for next generation; and repeating first to fifth times of selection and remaining, carrying out level identification on the reproductive performance of sows when the second generation is bred, and applying the sows to production when the primiparous young pigs are more than 9 and the multiparous young pigs are more than 13. The bred Suhuai pig is strong in constitution, is strong in disease and stress resistance, and has good applicability to environments of cultivation places.

The invention provides a preparation method of composite protein powder with a high amino acid grade. The preparation method specifically comprises the following steps: performing micronization treatment on raw material protein by a colloid mill and / or a high-pressure homogenizer, heating the raw material protein to denature the protein, performing countercurrent ultrasonic assisted enzymatic hydrolysis through single protease or multi-enzyme combination, performing individual or joint fermentation of yeast, lactic acid bacteria and bacillus subtilis to remove stinking and peculiar smell, performing ultrafiltration and ion exchange resin desalting, evaluating and supplementing essential amino acids, performing enzymatic polymerization and reconstitution reaction, and performing drying or performing drying and mixing to obtain a high-quality protein product with a reasonable proportion of the essential amino acids and an amino acid grade being 95 or above. The obtained composite proteinpowder has the high essential amino acid grade, belongs to high-quality protein, is easy to digest and absorb, has low sodium content, is suitable for people who need the high-quality protein, elderly people with a low protein digestion function, and persons under rehabilitation; the protein powder with low contents of sodium, potassium and phosphorus is suitable for people suffering from chronickidney disease (CKD) and the like; the product also has the effects of resisting oxidation, lowering blood cholesterol, strengthening the body and enhancing immunity.

The invention belongs to the technical field of aquaculture, and provides a breeding method of original ecological health penaeus vannamei larvae. The method comprises the following steps: disinfecting a closed cultivation workshop and a cultivation pool; introducing disinfected seawater into the cultivation pool; adding ethylenediaminetetraacetic acid (EDTA) and biological live bacteria to the cultivation pool; and stocking larvae produced by parent health penaeus vannamei without specific virus in the cultivation pool, strictly controlling stocking density, cultivating the larvae at low temperature below 31 DEG C, adding different feeds which are free from pathogen through virus detection to the larvae at different stages, and carrying out strict disinfection and virus detection during the whole cultivation process, wherein, antibiotics is prohibited or drugs can not be overused. The penaeus vannamei larvae bred by the method has no specific virus and no or little antibiotics and drug residues, and has strong disease resistance and longer production period, thus the method is an original ecological health penaeus vannamei larvae breeding method.

The invention provides an incubation method of earth yuan eggs, comprising the following steps: 1) setting up an egg incubation house, 2) preparing incubation soil, 3) cultivating the egg mass to grow, 4) turning over the egg mass, 5) leading seedlings to emerge, 6) sieving and taking larvae, and 7) removing the vacant shell. By adopting the invention, the temperature in the incubation house and the incubation basin is balanced, thus seedlings can emerge in four seasons of a year, the incubated larvae has strong constitution, and the survival rate can reach over 90%, thus laying a solid foundation for feeding in the future. The incubation method in the invention can keep away from the peak season of incubation and seedling emergence; the products can be sold at a high price; the management is easy and convenient and labor force can be saved.

The invention relates to a nutrition reinforcing agent for fox fur, wherein each 100g of the product comprises soybean powder 25-40g, fish meal 15-25g, seaweed powder 5-10g, soybean lecithin 3-8g, linoleic acid 1-5g, poly-unsaturated fatty acid OMEGA3 or OMEGA6 2-6g, pantothenic acid 20-80mg, nicotinic acid 10-50mg, bursine 200-800mg, inositol 20-60mg, riboflavin 10-50mg, folic acid 5-15mg, ferrous methionate 120-200mg, zinc methionate 150-250mg, copper methionate 20-50mg, selenium methionate 5-20mg and and balancing maize flour.

The invention discloses a method for preparing a pig feed additive, and relates to a formula of the pig feed additive and a processing method thereof. The raw materials used in the present invention are complex enzymes for fattening pigs, Bacillus subtilis for pigs, enzyme-producing prebiotics and astragalus polysaccharides, and the weight ratio is: 100:40~60:40~60:20~30; Mixed into pig feed additives. The beneficial effects of the invention are: the feed additive is a high-tech product containing functional additives of enzymes, and the product contains compound enzymes, biological preparations and Chinese herbal medicine extracts. It can enhance the antibacterial properties of pigs, make them healthy, reduce fecal odor, improve the environmental sanitation of pig farms, increase feed intake and daily gain of fattening pigs, and save 10-15 kg of feed per pig. It can be put on the market 7 to 10 days in advance. At the same time, this product is a green and safe product, which not only saves costs, but also improves the economic benefits of farmers, and has great market development space.