610results about How to "Improve the breeding environment" patented technology

A preparation method of a ferment Chinese Traditional Herbs for feeding belongs to the production field of the feed additives. The technical proposal provided by the present invention is that one or various intestinal probiotics is inoculated on a cultivation matrix containing extracts of Chinese Traditional Herbs, and undergoes ferment cultivation in a proper condition. The probiotics include Lactobacillus acidophilus, Bacillus subtilis, and candida utilis, etc, and the selected Chinese Traditional Herbs include astragalus, atractlylis lancea formalyrata, codonopsis pilosula, pericarpium citri reticulatae, and atractylis atractylis ovata, etc. The ferment Chinese Traditional Herbs for feeding provided by the present invention used to breed the livestock and the poultry is capable of preventing and treating epidemic diseases and improving the growth of the animal. The biological ferment of the water extract of Chinese Traditional Herbs by the probiotics is utilized to produce the elements with higher activities, thereby improving the absorption, transportation, metabolism, activation and medical efficacy of the Chinese Traditional Herbs in human body.

The invention discloses a method for cultivating river crab, comprising the following steps: choosing China crab as parent crab, temporary culturing female and male crab separately, then mating; culturing the crab with ovum at temperature under 5 Deg C for more than 2 months; the crab with ovum producing out ovum and the ovum growing into flea larval, megalops larva, young crab, crab strain and adult crab. The water quality should be in accordance with the regulation of í«water quality regulation for fresh water cultivationí» during process of megalops larva growing into young crab; supplying fresh minced fish and pig blood for I claver crab; the animal bait before July and after September for young crab culturing is over 70%, and from July to September is over 90%. Comparing with the invention is characterized by rapid growth, strong disease-resistant, the increased group weight by 10.2%, and reduced disease generation rate from 8%-10% to under 3%.

The invention discloses a green biological active feed, which relates to the technical field of feeds. The green biological active feed is prepared from the following materials in part by weight: 40 to 80 parts of straw, 5 to 30 parts of corn four, 5 to 25 parts of cake dregs, 5 to 25 parts of wheat bran, 0.1 to 0.2 part of complex bacteria and 0.1 to 0.2 part of complex enzyme. During preparation, the straw is crushed and then is uniformly mixed with the corn flour, the cake dregs and the wheat bran; the complex bacteria and the complex enzyme are mixed into the mixture; water is added into the mixture to ensure that the water content reaches 45 to 50 percent, and the mixture is filled in a big tank, sealed and stored for later use; or the mixture is baked or dried by natural wind for storage and later use. The green biological active feed has the following advantages of: (1) improving the balance of intestinal flora, and improving the feed utilization rate; (2) promoting the growth of meat livestock and poultry, and shortening the breeding cycle; (3) strengthening the body conditions of laying hens, ducks and geese, and having a significant strengthening action on prolonging theegg-laying peak period; (4) strengthening the body condition of female domestic animals, and improving the yielding rate; (5) strengthening the body conditions of the livestock and poultry, enhancingthe disease prevention and disease resisting capacities, and reducing the sickness rate; and (6) purifying the culture environment, and improving the meat quality due to no public nuisances and no residues.

The invention provides bacillus subtilis K018 which is strong in stress resistance, excellent in probiotics function and safe and reliable, a biological feed additive containing the bacillus subtilis K018 and use thereof. The bacillus subtilis K018 provided by the invention can resist artificial gastric acid, cholate, artificial intestinal juice and high temperature, has stronger inhibiting effects to pathogenic staphylococcus aureus, escherichia coli, salmonella enteritidis and the like in the intestinal tract, is stronger in amylase and cellulase generating capacity, and can degrade starch and cellulose.

The invention discloses a fowl manure fermentation fertilizer. The fertilizer is produced by materials of fresh fowl manure, rice bran powder, maize meal, wheat flour, brown sugar, lime powder, dinoflagellate, microzyme, lactobacillus, thermophilic actinomycetes, etc. The invention improves culture environment of henhouses, and heavy metal in the fowl manure is degraded and changed into treasure, becoming an ecological organic fertilizer which is comprehensively and abundantly nutrient. Nitrate and secondary salt formed in the soil by fertilizer residual can be degraded by the fowl manure fermentation fertilizer, and therefore functions of disease resistant, lodging resistant, crop yields improvement can be realized; ventilation property of the soil is improved, soil hardening and virus can be reduced and banished, meanwhile, dosage of the chemical fertilizer and pesticide is reduced; production cost is reduced, pollution is reduced and soil environment is optimized, and microeubiosis of the soil is achieved; therefore the crops can be ripen in advance, grade of the crops is improved, hazardous and noxious substance contents remained in the crops are lowered and banished, and the green environmental requirements of heavy metal residual of the crops can be achieved.

The invention relates to a monitoring technology for the aquaculture environment of fresh-water fish and discloses a monitoring system for the aquaculture environment of the fresh-water fish on the basis of a wireless sensor network. The monitoring system comprises cluster head nodes connected with i nodes, wherein k cluster head nodes are connected with collecting nodes; m collecting nodes are connected with a monitoring center; and all i, k and m are natural numbers. The monitoring system is characterized in that the nodes, the cluster head nodes and the collecting nodes are configured with a water temperature sensor, a dissolved oxygen sensor, an aerator, a node processing module and a wireless transmission module. The collecting nodes also comprise an atmospheric pressure sensor, a PH value sensor and a communication module; the atmospheric pressure sensor, the PH value sensor and the node processing module are connected; and the communication module is connected with the wireless transmission module and is used for transmitting data to the monitoring center and receiving an instruction. The monitoring system disclosed by the invention can realize large-range wireless monitoring network layout, and is very suitable for automatic control of large-scale fresh-water aquaculture.

The invention relates to the technical field of feed processing and specifically provides a microbial fermented feed and a production process thereof. The microbial fermented feed is composed of 60% by mass of waste stevia rebaudiana residue, 15% by mass of corn flour, 15% by mass of soybean meal and 10% by mass of liquid strains, wherein the liquid strains comprise lactobacillus fermenti, saccharomyces cerevisiae, bacillus subtilis and clostridium butyricum. According to the invention, a plurality of microbes are utilized and scientifically collocated for fermentation of processing waste of stevia rebaudiana, and the microbial fermented feed with the advantages of low cost, a high nutritional value, fragrant flavor and agreeable taste is produced.

The invention provides a novel production process of fermented soybean meal by synchronous solid fermentation and enzymolysis. The process increases feeding value of the soybean meal by synchronization of probiotic fermentation and protease enzymolysis and mainly includes: high molecular weight protein is degraded into small molecular weight protein, polypeptide, small peptide and the like easy to absorb by animals by enzymolysis of an external added protease and microbial secretion composite enzyme system; and antinutritional factors in the soybean meal are removed by microbial fermentation, content of organic acids and microbes in the fermented soybean meal is increased, and accordingly feeding value of the soybean meal is increased. The fermented soybean meal produced by the production process is rich in various digestive enzymes, most of the antinutritional factors in the soybean meal are degraded, content of soluble protein in the soybean meal is increased, a certain amount of organic acids and special flavor is added, the soybean meal has high feeding value and is applicable to livestock and poultry feed and aquatic feed, and the soybean meal serving as the aquatic feed is capable of partially replacing fish meal in application.

The invention discloses a composite traditional Chinese medicinal sterilizing agent for a dairy farm which has no medicine residue and is environmentally friendly. The composite traditional Chinese medicinal sterilizing agent product is prepared by compounding traditional Chinese herbs such as gallnut, houttuynia cordata, coptis chinensis, scutellaria baicalensis, folium isatidis, herba andrographitis, radix isatidis, wild chrysanthemum flower, gingko, rhizoma acori graminei, magnolia officinalis, thyme, lysimachia christinae hance and the like in an ultrasonic auxiliary two-step extraction process. The composite traditional Chinese medicinal sterilizing agent has advantages the that the production process of ultrasonic auxiliary ethanol extraction of traditional Chinese herb and decoction is adopted in the preparation process of the composite traditional Chinese medicinal sterilizing agent, so that the aqueous soluble and alcohol soluble antibacterial active substances in the traditional Chinese herbs can be more adequately utilized; secondly, tween 80 and propanediol are added in the composite traditional Chinese medicinal sterilizing agent, so that the stability, adsorption property and viscosity of the sterilizing agent can be improved, and the effect of the composite traditional Chinese medicinal sterilizing agent can be further improved; thirdly, the product is environmentally friendly and safe, has no adverse effect on cow and has no problems such as medicine residue and drug resistance.

The invention discloses an animal feed additive and a preparation method thereof. The animal feed additive is prepared from the following raw materials in parts by weight: 5-10 parts of corn fiber, 15-20 parts of soybean curb residue, 12-15 parts of zeolite powder, 40-60 parts of corn sugar residue, 1 part of compound biological active enzyme, 1 part of saccharomycetes, 1 part of lactobacillus, 1 part of bacillus and 1 part of bifidobacterium, wherein the compound biological active enzyme comprises the following components: 20,000 IU / g of xylanase, 10,000 IU / g of pectinase, 400 IU / g of cellulose and 200 IU / g of protease. The preparation method comprises the steps of raw material weighing, pre-processing, mixing, dual fermentation and packaging. The animal feed additive disclosed by the invention can be used for improving the digestibility to promote the growth and development of animals, regulating the gastrointestinal micro-ecological balance to enhance animal immunity and improve disease resistance, improving animal feed intake, improving the cultivation environment to reduce respiratory diseases, and improving the quality and quantity of cultivated products.

The invention discloses a feed additive and feed containing the same. The additive is prepared by mixing a microbial ecological agent prepared from three probiotics, namely saccharomycetes, bacillus subtilis and aspergillus oryzae, with powder of various Chinese herbal medicines, and growth promoting factors such as chromium picolinate, zinc sulfate and sodium selenite vitamin E. The probiotics, powder of Chinese herbal medicines and growth promoting factors are organically and closely combined to produce an excellent synergetic effect, so that feed additive can prevent and control diseases in animals, promote the growth of the animals, improve the quality of livestock products and the like. The preparation process of the feed additive is simple, requires small investment and energy and avoids waste liquid pollution. The feed additive is proved by clinic animal feeding tests to have very obvious effect, is very popular among raisers and has a bright market prospect.

The invention relates to a method for preparing nonreactive environment-friendly feed through synergistic fermentation of bacterium enzymes and belongs to the technical field of solid-state fermentation feed.Bean pulp, rapeseed meal, cottonseed meal, bran and folium artemisiae argyi powder are mixed to serve as a fermentation substrate, the fermentation substrate is inoculated with fermentation liquor prepared from yeast, bacillus subtilis, bacillus laterosporus, lactobacillus plantarum, acid proteinase and cellulase, the fermentation substrate obtained after inoculation is put in packaging bags with respiration films, the packaging bags are sealed and put in a constant-temperature fermentation chamber and then stacked, and the nonreactive environment-friendly feed is prepared through constant-temperature fermentation.Low-value agricultural and sideline products and Chinese herbal medicine which are cheap and easy to obtain are treated through the bioengineering technology, the production cost is low, antinutritional factors in the fermentation substrate can be efficiently degraded, beneficial viable bacteria in fermentation materials are rich, nutrients are rich, the effect of improving the immunity of fed animals is achieved, the concentration of ammonia in a livestock and poultry breeding house is remarkably reduced, and the safe and environment-friendly feed is provided for nonreactive breeding.

The invention discloses a '+3-1' livestock and poultry breeding mode. Livestock and poultry are bred in a large scale in the breeding mode that lactic acid bacteria fermentation liquor and microbial fermented feed are fed, biological disinfectant is sprayed, and antibiotics are not added. A breeding method includes the following steps that a farm is disinfected by the biological disinfectant; 5-250ml of the lactic acid bacteria fermentation liquor is fed per day; the microbial fermented feed or mixed feed is fed per day, wherein the mixed feed is prepared from the microbial fermented feed and complete feed, and the weight of the microbial fermented feed accounts for 0-30% of the total weight of the mixed feed. The livestock and poultry are pigs or chicken, the pigs comprise sows, piglets, nursery pigs and lard pigs, and the chicken comprise broiler chicken and laying hens. The livestock and poultry are bred in the '+3-1' breeding mode, economic benefits, ecological benefits and social benefits are remarkable, and the '+3-1' livestock and poultry breeding mode can be popularized and applied.

The invention relates to high-efficient microbial organic fertilizer, which comprises the following components in percentage by weight: 55 to 60 percent of livestock manures, 20 to 25 percent of straws, 5 to 10 percent of oil residue, 10 to 15 percent of humic acid, 0.1 to 0.3 percent of fast degrading agent and 0.5 to 1 percent of trace elements. The biological bactericide aerobic fermentation degradation process, the low-temperature drying process and the pelleting process are adopted, so the produced biological organic fertilizer contains a great amount of beneficial microorganisms, the biological active substances can be decomposed, the soil structure can be improved, the production capacity of the soil can be restored, the ecological environment and the cultivation environment can beimproved, and the economic benefit of the culture industry can be improved. Moreover, the fertilizer efficiency longevity is long and stable, and has the non-polluted functions such as promotion of root, strengthening of the seedling, promotion of growth, disease prevention, precocity, burnish and the like.

The present invention discloses a synbiotic feed additive, and a preparation method and applications thereof. The synbiotic feed additive comprises: 1 ~ 5 parts by weight of, preferably 2-4 parts by weight of, more preferably 3-4 parts by weight of, and most preferably 3.5 parts by weight of at least one selected from chitosan oligosaccharide, chitosan and algal oligosaccharide; 2-10 parts by weight of, preferably 3 to 9 parts by weight of, more preferably 4-8 parts by weight of, and most preferably 5.5 parts by weight of at least one selected from astragalus polysacharide, and lycium barbarum polysaccharides hawthorn flavone; and 100 parts by weight of probiotics composition which is composed of bacillus subtilis, bacillus coagulans and clostridium butyricum at a weight ratio of 1-3:1-3:1-3, preferably 3:3:3, relatively preferably 3:2:2, more preferably 3: 2:1, and most preferably 3:1:1. Compared with existing synbiotic feed additives, the synbiotic feed additive of the present invention is easier to digest and absorb, and can significantly improve animal immunity and animal health, increase feed utilization, lower feed conversion rates, promote reproduction, improve production performance, improve meat quality and improve breeding environment.

The invention discloses a pig feed additive and a preparation method thereof, belongs to the technical field of feeds, and solves the problems that the existing feed additive is single in raw material and relatively low in effect. The pig feed additive is formed by combining fermentation products with liquid water contents of smaller than or equal to 16wt% obtained by respectively fermenting bacteria liquids of 18 parts of aspergilli group, 18 parts of microzyme group, 30 parts of bacillus group and 40 parts of complex bacteria group in parts by weight. The preparation method comprises the following steps of: preparing a culture medium; cooling; diluting indigenous bacteria; inoculating; fermenting; drying; mixing; and packaging. The feed additive disclosed by the invention contains 20 types of probiotics, and has the effects of adjusting pig intestinal flora balance, controlling intestinal diseases, improving immunity, enhancing digestion function and improving feed conversion rate.

The invention relates to a feed for minks, and in particular relates to an all-expanded pellet feed for minks, and a preparation method thereof. The all-expanded pellet feed for the minks takes grain feeds, imported fish meal, imported meat and bone meal, grease, small peptide protein and additives as main raw materials, and is prepared by mixing the raw materials according to certain parts by weight. The all-expanded pellet feed for the minks is easy to prepare, can be produced in an industrial way, is comprehensive and balanced in nutrition, high in rate of absorption and utilization, low in ratio of the meat to the feeds, and low in pollution, and effectively solves the breeding problem of advanced farmers and the convenience for feeding can be realized.

The invention discloses an aerating and stirring device which can be applied to the field of cultivation and environmental protection and can improve the water quality and a water body activating method. An aerating device activates water body by adopting stirring and aerating modes, wherein a stirring device and the aerating device can operate respectively or simultaneously, an optimal working mode is selected according to actual requirements, and submersible-type vanes in the stirring device can guide pool water into water surface from the water bottom so as to form circulating water flow; and the aerating device improves the oxygen content in water and takes harmful gases away from the water by conveying tiny air bubbles into the water body, promotes the ecological self-purification of water and has the advantages of energy saving and low noise.

The invention provides a culture method for tiger frogs, and particularly relates to the field of aquaculture. The culture method includes the steps of frog pond construction, specifies selection and spawning, tadpole culture, froglet and adult frog feeding and disinfection management. By improving the quality of culture water and adjusting a feed formula, technical problems caused by large density, poor water quality and improper feeding in artificial culture of tiger frogs are solved, the immunity of tiger frogs is effectively improved, the morbidity of tiger frogs is reduced, and the survival rate of tiger frogs in artificial culture is increased.

The invention provides a process for producing a biosynthesis feed. The process comprises the following steps of: performing aerobic fermentation on compound strains, sugar, bran, complex enzymes and trace elements serving as carriers for 4 to 5 days to obtain secondary strains by cultivation; and performing solid aerobic fermentation on the secondary strains in a culture medium, wherein the fermentation temperature is controlled to be between 45 and 60 DEG C; and after 4 to 5 days of fermentation, drying the secondary strains at a low temperature to obtain the finish product. The biosynthesis feed of the invention has the advantages of enhancing disease-resistance of livestock and poultries, improving quality of meat products, improving growing efficiency of livestock and poultries and improving the utilization rate of the feed.

The invention discloses crab fodder with added enteromorpha prolifera and a Chinese herbal medicine immunopotentiator. The fodder product comprises raw materials of 15-20 parts of bran, 20-30 parts of smashed straw, 10-15 parts of wheat shorts, 8-12 parts of enteromorpha prolifera powder, 8-10 parts of bean pulp, 8-10 parts of cottonseed meal, 12-18 parts of high protein flour, 4-6 parts of dried blood, 3-5 parts of sea fish oil, 4-6 parts of animal fat, 1-3 parts of inkfish paste, 0.5-1 part of Chinese herbal medicine mixture, 0.5-1.5 parts of choline chloride, 0.3 part of salt, 0.2 part of glycine betaine, 0.2 part of inositol, 0.5 part of multi-vitamin, 1 part of composite microelement and 0.5 part of allicin. The product has the advantages that crabs are promoted to grow quickly obviously, the cultivation breeding rate is improved, cultivation cost is lowered, the breeding digestibility is improved, nitrogen and phosphorus excretion is lowered, and breeding environment is improved, and high cost performance and promotion application value are achieved.

The invention pertains to the field of microbial feed additives and relates to a preparation method of a microecological preparation of lactobacillus. The preparation method has the advantages of simple requirements on technological preparation equipment, easy and convenient operation, low production cost, stable product quality and the like and is applicable to large-scale mass production. The Prepared lactobacillus powder has higher endurance capacity than other common bacterium powder and can smoothly pass though stomach and enter the intestinal tract of animals to rapidly work. In the preparation method of the microecological preparation of lactobacillus, products produced by the production technology are pretty much the same as those produced by the currently common freeze-drying technology in respect of quality, but the production cost greatly reduces. Therefore, the preparation method is beneficial to the large-scale promotion and application of the microecological preparation of lactobacillus in the feed industry.

The invention discloses a high-efficiency water-changing fry breeding pool comprising a breeding pool body, partitions, a moving plate, filter plates, an isolation screen plate, a frame, a lifting device and a moving part. The high-efficiency water-changing fry breeding pool is characterized in that two sets of the partitions are disposed in the middle of the breeding pool body; the breeding poolbody is divided into two parts of a first breeding barn and a second breeding barn; a through hole allowing fries to pass through is opened in the middle of the partition; the moving plate is connected with the lifting device which is disposed on the frame; the frame is arranged above the breeding pool body; two sets of the partitions are respectively arranged on the lower portions of the first breeding barn and the second breeding barn; the end portion of the isolation screen plate is located below the through hole; a first filter plate is located inside the first breeding barn while a secondfilter plate is positioned inside the second breeding barn; a moving part is slidably arranged on the frame. The high-efficiency water-changing fry breeding pool has the advantages of facilitating water changing in the first breeding and second breeding barns, achieving the best breeding environment inside the first breeding and the second breeding barns, and being conducive to healthy growth ofthe fries.

The present invention discloses a method for culturing Collybia albuminosan which is symbiotic with white ants; the white ant is artificially propagated and the propagated white ants are moved into a formicary; the depth of the formicary is 60 cm with a diameter of 40 cm; the feed for white ant is placed at the bottom of the formicary; after the white ants are moved into the formicary, an 25 to 30 deep earth layer is covered on the formicary; the Collybia albuminosan seeds are sown in the earth. Moreover, corn, peanut or fruit tree can be planted on the earth. The feed of white ant is formed by fermentation of nine powder materials of Cyclobalanopsis glauca, dry walnut tree, corn cob core, bean smash powder, iron-like silky oak, soaking silky oak, corn straw, sorghum straw and sorghum rice and water. In this way, an excellent growing and propagating environment is established for white ants and conditions for Collybia albuminosan and other crops are created; a plurality of matched food chains are developed in a solid way which increase s the use value of the land.

The invention discloses loach feed with enteromorpha prolifera and a Chinese herbal medicine immunopotentiator. The loach feed comprises 15-20 parts of crushed straw, 20-30 parts of corn flour, 10-15 parts of vinasse, 8-12 parts of enteromorpha prolifera powder, 8-10 parts of soybean meal, 8-10 parts of sesame meal, 12-18 parts of high protein flour, 4-6 parts of fish meal, 3-5 parts of sea fish oil, 4-6 parts of animal grease, 1-3 parts of squid paste, 0.5-1 part of a Chinese herbal medicine mixture, 0.5-1.5 parts of choline chloride, 0.3 parts of table salt, 0.2 parts of betaine, 0.2 parts of inositol, 0.5 parts of composite vitamins, 1 part of composite trace elements and 0.5 parts of allicin. The loach feed can observably promote loach rapid growth, improve a culture survival rate, reduce a culture cost, improve culture digestion and absorption rates, reduce nitrogen and phosphor excretion and improve a culture environment and has high cost performance and a high popularization application value.

The invention discloses mint-scented compound essential oil and a feed additive containing mint-scented compound essential oil and production and application thereof, and relates to the technical field of feed nutrition and feed additive production. The mint-scented compound essential oil is prepared by using Asian mint oil, cineole, cinnamaldehyde, eugenol, carvacrol, menthol and thymol as raw materials, putting the above raw materials into an enamel reaction kettle or a stainless steel reaction kettle sequentially, and evenly stirring and mixing the above raw materials. Preparation method 1:stirring and mixing the compound essential oil and anhydrous alcohol or propylene glycol in the stainless steel reaction kettle according to a weight ratio, with the addition of polyoxyethylene castor oil emulsifiers, thereby obtaining a feed additive containing liquid mint-scented compound essential oil. Preparation method 2: stirring and mixing the compound essential oil and dry starch in a high-speed mixer according to a weight ratio, thereby obtaining a feed additive containing solid mint-scented compound essential oil. Preparation method 3: stirring and mixing the compound essential oiland beta-cyclodextrin or soluble starch in the high-speed mixer according to a weight ratio, with the addition of Tween-80 emulsifiers, thereby obtaining a feed additive containing water-soluble mint-scented compound essential oil.

The invention discloses a microorganism-enzyme powdery composite biological preparation for promoting crop yield increase. The composite biological preparation is composed of, by weight, 30% of multiple microbial agents, 21% of multiple biological enzyme preparations, 25% of a microbial nutritional agent, 7% of seaweed, 3% of Fucus plant active ingredients, 3% of sodium humate, 2% of mordenite, 2% of dolomite and the balance moisture. The invention provides the microorganism-enzyme composite biological preparation for promoting high quality and high yield production of crops, and the composite biological preparation is formed by compounding of pure natural preferred strains and a variety of biological enzymes. Integrating the advantages of inoculants and enzyme preparations, the composite biological preparation has the functions of improving the soil structure, antagonizing soil pathogenic bacteria, fixing nitrogen, and dissolving phosphorus and potassium, releases iron, magnesium, manganese, zinc, sulfur, boron, calcium, silicon and a variety of medium trace elements in soil, balances absorption of nitrogen, phosphorus and potassium, removes fertilizer damage, secretes a variety of bioactive substances, enhances crop stress resistance, and can reach the effects of enhancing the yield and quality of crops.

The invention relates to a culture method of penaeid shrimps in an over-winter shed, which comprises the following steps: building up a culture pond of the over-winter shed; discharging sea water into the culture pond after treatment, culturing water color of culture water, and then pouring shrimp fries into the culture water for culture; applying a beneficial microorganism preparation during the culture period for degrading pollutants produced during the culture process and conditioning water quality; regulating water temperature of the culture pond by opening small doors at two sides of the shed and opening a plastic thin film; and discharging sewage at the bottom of the culture pond through a central sewage discharge outlet daily and simultaneously supplementing fresh water in the late stage of culture. The culture method of the penaeid shrimps in the over-winter shed can effectively utilize the idle period of the culture pond of the penaeid shrimps in winter, realize the outdoor culture of the penaeid shrimps in winter in the South, ensure the supply of fresh and live penaeid shrimps to the market in low season of the culture and improve the production benefits and the market benefits of the culture; and the culture pond of the over-winter shed for the penaeid shrimps is simple to build up, building materials can be selected according to local material sources, and the plastic thin film and a large-mesh net coat covered on the over-winter shed can ensure that the over-winter shed can realize wind resistance and no leakage of rain.

The invention provides a preparation method of a microbial fermented feed without antibiotic for a sow, and belongs to the field of the microbial fermented feed. The technical scheme adopted by the preparation method comprises the steps of adding revived fermentation liquid into basic ration of the sow to carry out sealed fermentation, wherein the basic ration of the sow contains primary ingredients such as corn powder, rice bran, bran, soya bean, mulberry leaf powder, fish meal, calcium hydrophosphate, edible salt, compound vitamin, microelement and gunk for the sow; drug or chemical additive which is harmful to a human body and animals is not added; fermentation residues and the fermentation liquid are filtered and separated when the material to be fermented emits slightly sour flavor, and the fermentation residues can be directly fed to the animals. The preparation method is simple in preparation process, low in facility request, and easy to promote; the feed does not contain hormone or drug residue, and is safe and environment-friendly, and good in palatability; the nutrition is easily absorbed; the dosage of the feed can be reduced; the cultivation cost is reduced; the irritability of the sow is reduced; the cultivation environment is improved; the incidence rate is reduced; the implantation rate of sow oosperm is facilitated, and the number born and the farrowing quality are also improved.

The invention relates to the field of feed additives and particularly relates to a multi-strain composite microorganism feed additive and a preparation method thereof. The multi-strain composite microorganism feed additive comprises 26%-32% of bacillus, 15%-18% of enterococcus faecalis, 0.2%-0.3% of saccharomyces cerevisiae, 10.8%-17.2% of prebiotics, 4.7%-8.5% of sulfate, 0.2%-0.4% of potassium iodide, 0.2%-0.3% of sodium selenite and 32%-35% of mountain flour. The raw materials are sequentially subjected to liquid deep-layer fermentation and fixed sealed fermentation to form the multi-strain composite microorganism feed additive. The multi-strain composite microorganism feed additive provided by the invention can be used for reducing harmful bacterial colonies in intestinal tracts, and effectively expressing the effects of conditioning and protecting the health, increasing the feed utilization rate, preventing diseases and promoting growth, reducing the utilization of medicines including antibiotics and the like, improving the quality of animal products, reducing the generation of rotted substances, relieving foul smell if excrements and improving the breeding environment.