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62results about How to "Guaranteed growth effect" patented technology
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Meat duck feed containing vinegar residues
ActiveCN102860441AImprove qualityImprove digestibilityFood processingAnimal feeding stuffPectinaseAnimal science
The invention relates to a meat duck feed containing vinegar residues and belongs to the technical field of stock raising feed production. The meat duck feed comprises vinegar residues and complex enzyme preparations, wherein the complex enzyme preparations include cellulose 1200-1800U, xylanase 25000-35000U, mannose 40-60U, protease 8000-12000U, pectinase 180000-250000U, glucanase 3000-5000U, the balance being carriers, and the carriers are dehydrated corncob powder. According to characteristics of vinegar residues, reasonable varieties and ratio of exogenous digestive enzyme are designed, digestibility of vinegar residues is increased, the function of anti-nutrition is reduced while digestible nutrient concentration of vinegar residues is increased, the growth performance is not decreased while costs are reduced when the feed is used, and the scheme of utilizing vinegar residues to reduce cultivation costs in meat duck breeding is feasible. Besides, a proper amount of fibers can promote growth and development of gizzards and intestines of meat ducks, and individually selling duck intestines can further increase economic benefits and economic value added in meat duck breeding.
Owner:TONGWEI
Compound feed for broiler chickens and preparation method thereof
ActiveCN102450521AGuaranteed growth effectReduce manufacturing costFood processingAnimal feeding stuffSodium bicarbonatePhytase
The invention discloses a compound feed for broiler chickens and a preparation method thereof and belongs to the field of feeding of broiler chickens, wherein the compound feed is prepared from the following raw materials: corn, corn protein powder, soybean meal, peanut meal, double-low rapeseed meal, liquid lecithin, stone dust, calcium hydrophosphate, common salt, lysine, methionine, threonine,phytase, miscellaneous meal enzyme, choline chloride, a premix of vitamins, a premix of trace elements, lees protein feed and sodium bicarbonate. The preparation method comprises the following steps:weighing the raw materials in parts by weight, and pouring into a pulverizer for pulverization, wherein the pulverization particle size is 30 meshes; pelletizing at the temperature of 85 DEG C to enable the gelatinization degree to achieve 90%; and pouring into a crusher for crushing, wherein the crushing particle size is 8-15 meshes. The compound feed for the broiler chickens, disclosed by the invention, has the beneficial effects of meeting the nutritional needs of the broiler chickens in first three weeks, well laying a foundation for growth of the broiler chickens during the later stage, ensuring the good growth and development of the broiler chickens, significantly improving the production performance, reducing the production cost and improving the production efficiency of the granular feed.
Owner:孝义新希望六和食品有限公司 +1
Feed suitable for Huainan partridge chicken during brood rearing period
ActiveCN103750075AReduce waste of resourcesMeeting nutritional needsAnimal feeding stuffAnimal scienceFeed additive
The invention discloses a feed suitable for a Huainan partridge chicken during a brood rearing period. The feed is prepared by mixing the following raw materials in percentage by mass: 30%-45.6% of corn, 15%-30% of broken rice, 21.7%-30% of bean pulp, 0%-1.6% of bean oil, 0%-2.2% of rice bran, 2%-5% of apple residues, 3%-5% of alfalfa meal, 0.5%-1% of coarse sand, 1%-1.2% of stone powder, 0.9%-1.2% of calcium hydrogen phosphate, 0.3% of salt, 0.1% of a traditional Chinese medicine additive, 0.1% of probiotics and 0.8%-1% of a premix. The feed has the benefits as follows: three growth stages are reasonably divided and different formulas are defined according to the growth and development characteristics of the Huainan partridge chicken, so that the nutritional requirements of the growth stages are met and the feed resource waste caused by unreasonable feed preparation is reduced; natural high-cost-performance feed resources are selected and used, so that the growth performance of the chicken can be guaranteed and the feed cost can be reduced; any chemically synthesized medical feed additive and meat quality flavor improver are not used, but natural safe Chinese medicine herb additives and the probiotics are added to improve the immunity and the production performance of the chicken.
Owner:安徽兴牧畜禽有限公司
Preparation method of expanded compound feed for micropterus salmoides and snakehead fishes
ActiveCN103931881AReduce manufacturing costGuaranteed growth effectClimate change adaptationAnimal feeding stuffNutrientChemistry
The invention relates to a preparation method of an expanded compound feed for micropterus salmoides and snakehead fishes. The method comprises the following steps: weighing raw materials and conventional auxiliary materials according to a formula, mixing, grinding, and screening by an 8-10-mesh sieve to obtain roughage; performing secondary grinding on the roughage, screening by a 60-80-mesh sieve, and uniformly mixing with a formula amount of other auxiliary materials to obtain a mixture; performing superfine grinding on the mixture, and screening by an 80-100-mesh sieve to obtain superfine powder; moving the superfine powder into a blender, adding steam, with temperature of 90-100 DEG C, accounting for 14%-15% by mass of the superfine powder for blending, and processing in an extrusion and expansion granulator to form feed granules; and drying the feed granules at 95-103 DEG C to obtain the expanded compound feed. According to the method, primary nutrient indexes are optimized, the prepared compound feed is good in palatability, high in water body stability, reasonable in cost and high in feed conversion rate through popularization and application, the fed fishes are normal in growth speed, body shape and quality, and the water body pollution is effectively alleviated.
Owner:ZHEJIANG DONGYU BIOTECH CO LTD
Low-protein feed for small broiler chicken and preparation method thereof
The invention discloses a low-protein feed for small broiler chicken and a preparation method thereof. The protein content of the feed is 17.0 to 18.0 percent and is 20 percent lower than that of a common feed for the small broiler chicken, and the feed is suitable for the small broiler chicken at the age of 15 to 35 days. Common bean pulp and mixed meal are prepared into enzymolysis bean pulp and enzymolysis mixed meal by enzymolysis, so that anti-nutritional factors are reduced, small molecular polypeptide content and soluble protein content are increased, and digestion and absorption of nitrogen-derived nutritional substances are facilitated. By reducing the protein content, the cost of the feed is reduced, and excrement discharge and pollution of livestock are reduced; and by enzymolysis, digestion and absorption of proteins for the small broiler chicken are improved, the growth performance, the feed-meat ratio and the chicken quality of the small broiler chicken are ensured, and economic benefits are improved.
Owner:HENAN UNIV OF SCI & TECH
Mixed feed additive for preventing diarrhea of piglets and application
The invention provides a mixed feed additive for preventing diarrhea of piglets and application. The additive is prepared from, by weight, 5-10 parts of bacillus licheniformis, 2-5 parts of bifidobacterium bifidum, 2-3 parts of isomalto-oligosaccharide, 2-4 parts of vitamin C, 2-4 parts of taurine, 2-3 parts of glucose oxidase, 2-4 parts of lysozyme, 4-6 parts of calcium formate, 30-40 parts of montmorillonite and 30-40 parts of corn starch. The additive is mainly used for preventing the diarrhea of the piglets after weaning, through a definite formula ratio and an action mechanism of all components, the safety, effectiveness and stability of compounding the feed additive are ensured, the diarrhea rate in the nursing period of the piglets is significantly reduced, and the effect is stableand reliable; meanwhile, the additive has high pertinence in the weaning stress period of the piglets, the suckling piglets stably and effectively live through the feed rearing stage from the sucklingperiod, the growth performance of the nursed pigs is significantly improved, and the economic benefits of farmers are increased.
Owner:华北制药集团动物保健品有限责任公司
Selenium-rich sturgeon feed as well as preparation method and application thereof
InactiveCN107173640AHas the effect of protecting liver and gallbladderThe effect of protecting liver and gallbladder is enhancedFood processingClimate change adaptationAnimal scienceBetaine
The invention relates to the field of aquatic feed, in particular to selenium-rich sturgeon feed as well as a preparation method and an application thereof. The selenium-rich sturgeon feed is prepared from Peru fish meal, krill meal, chicken meal, soybean meal, soybean isolate protein, vital gluten, pregelatinized starch, squid oil, soybean lecithin, betaine, choline chloride, mineral premix, vitamin premix and selenium yeast. The total content of selenium in the feed is 2.42-6.74 mg / kg, after 70 days of feeding, the total content (wet weight) of selenium in muscles of sturgeon can reach 1.63-1.87 mg / kg, and the total content (wet weight) of selenium in the whole fish can reach 0.48-0.77 mg / kg. The sturgeon fed on the feed have better growth performance, feed utilization rate and muscle quality; besides, the selenium-rich sturgeon feed further has the efficacy of protecting the liver and the gallbladder and enhancing the oxidation resistance of the sturgeon.
Owner:HUAZHONG AGRI UNIV
Seed coating agent and coated seed
InactiveCN108377692AImprove drought resistanceGuaranteed normal germinationSeed coating/dressingHyaluronic acid coatingsSeed treatmentDrought resistance
The invention provides a seed coating agent and a coated seed, and relates to the technical field of seed treatment. The seed coating agent is mainly prepared from raw materials including, by weight,2-10 parts of attapulgite, 89-97 parts of sandy soil, 0.5-2.5 parts of water absorbent resin and 40-60 parts of chitosan solution. The chitosan solution comprises, by weight, 2-5% of chitosan, and thesandy soil comprises, by weight, 5-10% of fertilizers. The seed coating agent and the coated seed have the advantages that the attapulgite, the sandy soil and the water absorbent resin have appropriate weight proportions, and accordingly the seed coating agent can wrap small seeds and even can wrap seeds with the low thousand-seed weights of 0.2 g; the chitosan solution and the attapulgite are mixed with each other, and accordingly the seed coating agent can be solidified on the surfaces of the seeds; the proportions of the various raw materials are appropriately selected, accordingly, the drought resistance of the seeds can be greatly improved by the seed coating agent in growth procedures, the germination and growth ability of the seeds can be guaranteed, and the establishment success rate of crops can be greatly increased.
Owner:LANZHOU UNIVERSITY
Low-copper and antibiotic-free composite premix for pigs
ActiveCN104171545AEasy constructionImprove antibacterial propertiesAnimal feeding stuffPig farmsBiotechnology
The invention relates to a low-copper and antibiotic-free composite premix for pigs. Each kilogram of the composite premixed feed comprises 3.38-3.63 grams of composite vitamins, 19-42 grams of composite trace elements, 2.5-10.5 grams of composite enzyme for the pigs, 4.5-15.75 grams of choline chloride, 50-125 grams of lysine, 25-94.5 grams of a mildew adsorbent, 19-26.25 grams of rice husk powder, 3.95-4.05 grams of ethoxy quinoline, 1.2-1.8 grams of phytase, 30-45 grams of edible salt, 50-70 grams of limestone powder, 55-75 grams of calcium hydrogen phosphate, 3.8-4.2 grams of aspartame, 0.95-1.05 grams of fragrance substances, 1.5-2.5 grams of chitosan oligosaccharide, 1.5-2.5 grams of green tea powder and 1.5 grams of yeast selenium. The feed disclosed by the invention is not added with antibiotics, and the using amount of copper is greatly reduced, so that organic matters such as dung in a pig farm are easier to degrade or ferment; on the premise that the environment is protected, safety antibiotic-free pork is produced, and the quality and the flavor of the pork are improved.
Owner:北京挑战牧业科技有限公司
Water seepage pipe, revegetation area water-saving irrigation system and construction method thereof
ActiveCN105409725AFacilitated DiffusionPromote absorptionWatering devicesCultivating equipmentsRevegetationWater resources
The invention discloses a water seepage pipe, a revegetation area water-saving irrigation system and a construction method thereof and solves the problem that existing water seepage pipes waste water resources and are poor in irrigation effect. The water seepage pipe comprises a pipe body provided with multiple water seepage holes in the pipe wall and a water seepage filler arranged inside the pipe body. Through the water seepage filler arranged inside the pipe body, irrigation water entering the water seepage pipe slowly seeps out, water resources are saved, and absorption by vegetation is facilitated; the irrigation water entering the water seepage pipe is given convenience to diffuse around and enabled to seep out from the water seepage holes in the pipe body, so that irrigation effect is good.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Feed for improving milk yield of dairy cows and preparation method thereof
PendingCN111387340AImprove qualityMeet nutritional needsFood processingAnimal feeding stuffAgricultural scienceMilk cow's
The present invention relates to the technical field of animal husbandry feed, and particularly discloses feed for improving the milk yield of dairy cows. The feed comprises coarse feed and fine feed,wherein the coarse feed comprises the following raw materials in parts by weight: 11-15 parts of tomato pomace, 5-8 parts of carrot leaves, 4-8 parts of corn stalks, 2-4 parts of cucumber stems, 1-3parts of peanut vines, 1-3 parts of cotton seeds, 1.5-4 parts of alfalfa hay, 1-2 parts of wheat straws, 4-7 parts of brewers grains and 0.5-2 parts of molasses; and the weight ratio of the coarse feed to the fine feed is (2.5-3) : 1. The invention also provides a preparation method of the feed for improving the milk yield of the dairy cows. The feed for improving the milk yield of the dairy cowshas good palatability, meets the nutritional needs of the dairy cows, and improves the milk yield and the milk quality of the dairy cows. Vegetable byproducts are subjected to feed-based utilization and resource utilization, thereby solving the problem of environmental pollution by the vegetable byproducts and improving the economic benefits.
Owner:GUANGXI STATE FARMS JINGUANG DAIRY IND CO LTD +1
Full-ecological slope spraying and sowing structure and construction method
InactiveCN111328642AThe whole process of construction is green and environmentally friendlyGuaranteed growth effectFlowers cultivationHops/wine cultivationMicroorganismNutrition
The invention relates to a full-ecological slope spraying and sowing structure and a construction method. The construction method includes: first cleaning a slope surface, and covering the slope surface with soil; laying coconut wire mesh on the slope surface and fixing the coconut wire mesh to the slope surface with a wooden nail or a bamboo nail; mixing a substrate and spraying guest soil on theslope surface covered with coconut wire mesh; covering the sprayed substrate with a straw mat; and laying an irrigation system. According to the construction method, the coconut wire mesh or a hemp rope mesh is used for replacing a slope galvanized iron wire mesh; the wood nail or the bamboo nail is used for replacing a reinforced anchor rod for fixing the mesh, the whole construction process isgreen and environment-friendly, no chemical and metal material residues exist on the slope surface, and the slope surface is ecological. A microbial bacterial fertilizer is used for replacing a traditional chemical fertilizer, and the microbial bacterial fertilizer in combination with an organic fertilizer can provide more nutrition for microorganisms to enhance activity of microorganisms. The straw mat is used for replacing a non-woven fabric, the straw mat has functions of heat preservation and moisture preservation at the initial stage, is decomposed into organic matters at the later stage,and is ecological and environment-friendly.
Owner:RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI +2
Automatic-purification type water circulation fish tank
ActiveCN109699559ARealize online purification functionBreak hysteresisPisciculture and aquariaCultivating equipmentsAquatic animalWater quality
The invention belongs to the field of breeding articles, and particularly relates to an automatic-purification type water circulation fish tank. The automatic-purification type water circulation fishtank comprises a tank body, a tank body tank cavity forms a feeding space used for feeding of aquatic plants and aquatic animals, and the fish tank further comprises a water circulation assembly, wherein the water circulation assembly comprises a liquid flowing pipe and a water pump used for pumping water in the tank body tank cavity, and the water in the tank body tank cavity is sucked through the water inlet end of the liquid flowing pipe and filtered by a physical filtering assembly and then returns to the interior of the tank body tank cavity; the water outlet end of the liquid flowing pipe is flush with the liquid surface in the tank body tank cavity, and the water outlet direction of the liquid flowing pipe is horizontal; the physical filtering assembly comprises biochemical cotton and a ceramic ring which are sequentially arranged in the advancing direction of the water. While a landscape is formed automatically, an ecological system capable of realizing automatic circulation and purification is further formed, the film forming of the liquid surface of the fish tank is also reduced, and the water quality of the fish tank can be effectively guaranteed.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Composite feed improver for improving barbus capito meat quality and flavor and application of composite feed improver
InactiveCN110279044AImprove meat qualityImprove qualityClimate change adaptationAnimal feeding stuffBiotechnologyVitamin C
The invention discloses a composite feed improver for improving barbus capito meat quality and flavor and application of the composite feed improver. The improver comprises 1-5 parts by weight of eucommia ulmoides leaves (dry weight) and 1.5 parts by weight of a composite nutrient, wherein every 1500 parts by weight of the composite nutrient comprises the following components in parts by weight: 2.5 parts of vitamin A, 20 parts of vitamin E, 3.4 parts of folic acid, 60 parts of vitamin C, 40 parts of VB1, 40 parts of VB2, 200 parts of nicotinic acid, 38 parts of VB6, 0.032 part of VB12, 0.068 part of biotin, 640 parts of methionine, 56 parts of calcium pantothenate, 120 parts of potassium and 280 parts of chlorine.
Owner:TIANJIN AGRICULTURE COLLEGE
Antibiotic-substituted feed additive
PendingCN111328928AImprove Gut HealthImprove growth performanceAccessory food factorsBiotechnologyPhytase
The invention discloses an antibiotic-substituted feed additive. The additive comprises the following components in percentage by weight: 2-8% of bacterial xylanase, 3-5% of acid protease, 1-2% of phytase, 0.2-0.5% of thymol, 0.2-0.5% of cinnamyl aldehyde, 40-50% of citric acid and 35-45% of corn flour. Under the condition that antibiotics are not added at all, the additive can remarkably improvethe intestinal morphological development of pigs, effectively improve the growth performance and reduce the feed conversion ratio through reasonable compounding of an enzyme preparation and plant essential oil, can completely replace the antibiotics and has an important application prospect in the pig breeding industry.
Owner:JIANGMEN HUIHAI AGRI & ANIMAL HUSBANDRYSCI & TECH GRP CO LTD
Special feed for cattle in fattening period
InactiveCN106359869AMeeting nutritional needsFull of nutritionFood processingAnimal feeding stuffPectinaseBetaine
The present invention discloses a special feed for cattle in a fattening period. The special feed consists of the following raw materials in parts by weight: 20-40 parts of hay, 10-20 parts of corns, 5-15 parts of shell powder, 2-12 parts of silage straw, 10-18 parts of silkworm chrysalis powder, 2-10 parts of cottonseed cakes, 5-15 parts of fermented bio-proteins, 5-15 parts of broussonetia papyrifera leaf powder, 1-1.8 parts of stone powder, 0.4-0.9 part of calcium hydrophosphate, and 5-15 parts of compound premixes. The compound premixes comprise the following raw materials: 1-5 parts of membrane coated betaine, 5-15 parts of starch, 0.01-0.05 part of phytase, 0.04-0.09 part of yeast powder, 0.04-0.08 part of pectinase, 0.01-0.06 part of methionine, 0.01-0.06 part of threonine, 0.04-0.09 part of lysine, 0.1-0.8 part of citric acid, 0.2-0.8 part of apple polyphenol, 0.4-1.2 parts of tryptophan, 0.5-1.2 parts of an attractant and 2-4 parts of minerals.
Owner:天长市金农农业发展有限公司
Intelligent agriculture multi-parameter environment monitoring device based on 5G technology
InactiveCN113447078AChange heightCleansingMeasurement devicesTransmission systemsFarming environmentAgricultural science
The invention discloses an intelligent agricultural multi-parameter environment monitoring device based on the 5G technology, and belongs to the technical field of agricultural environment monitoring. The intelligent agricultural multi-parameter environment monitoring device comprises a mounting shaft, a positioning sampling assembly, a monitoring box and a main mounting rack, wherein the monitoring box is arranged outside the main mounting rack. A high-definition camera is installed on the device, growth vigor shooting can be conducted on agricultural crops, during monitoring, a driving motor can be remotely controlled to be started, the height of a monitoring box can be adjusted, environmental conditions of different heights can be monitored, meanwhile, a cleaning and heat dissipation assembly can rotate through the linkage effect, the interior of the device is effectively and rapidly cooled, so that the device has the effects of cleaning and cooling the structure in the device while having the monitoring and adjusting effects, meanwhile, the device has the effects of rainwater collection in rainy days and air water taking in no rainy days, a water source can be effectively provided for self-cleaning of the device, and the accuracy of environmental parameter monitoring of the device is guaranteed; and the use effect of the device is improved.
Owner:陈文婷
Low-protein feed for small broiler chicken and preparation method thereof
The invention discloses a low-protein feed for small broiler chicken and a preparation method thereof. The protein content of the feed is 17.0 to 18.0 percent and is 20 percent lower than that of a common feed for the small broiler chicken, and the feed is suitable for the small broiler chicken at the age of 15 to 35 days. Common bean pulp and mixed meal are prepared into enzymolysis bean pulp and enzymolysis mixed meal by enzymolysis, so that anti-nutritional factors are reduced, small molecular polypeptide content and soluble protein content are increased, and digestion and absorption of nitrogen-derived nutritional substances are facilitated. By reducing the protein content, the cost of the feed is reduced, and excrement discharge and pollution of livestock are reduced; and by enzymolysis, digestion and absorption of proteins for the small broiler chicken are improved, the growth performance, the feed-meat ratio and the chicken quality of the small broiler chicken are ensured, and economic benefits are improved.
Owner:HENAN UNIV OF SCI & TECH
Camphor tree cultivation method suitable for alkaline soil
ActiveCN107371993AEffective absorptionDuration is smallRoot feedersBioloigcal waste fertilisersAcetic acidHusk
The invention discloses a camphor tree cultivation method suitable for alkaline soil. The method includes following steps: (1), well mixing straw, rice husk and soil according to a weight ratio of 1.1-1.3:0.3-0.5:1 to obtain organic fertilizer; (2), taking a container with an opening at the top, and filling the whole container with the organic fertilizer prepared in the step (1); (3), excavating a planting pit, and putting the container filled with the organic fertilizer at the bottom of the planting pit with the opening upward; (4), planting a camphor tree in the planting pit; (5), performing later maintenance on the camphor tree, and adding 0.15-0.25wt% of acetic acid into water for watering the camphor tree in the process of later maintenance. By the method, the camphor tree can be assisted in well adapt to alkaline soil environment and draught regions, growing performance can be ensured, and chlorosis can be avoided effectively. The method is of active significance in popularizing the camphor tree and has excellent application prospect.
Owner:JIESHOU ZHENHAI AGRI DEV CO LTD
Additive for soybean meal fermentation and application of additive in feed
PendingCN111280307AImproves nutrient digestibilityImprove palatabilityFood processingAnimal feeding stuffBiotechnologyNeutral protease
The invention discloses an additive for soybean meal fermentation. The additive includes composite microorganisms and compound protease. The composite microorganisms are composed of 3.0 * 10 <9> to 4.0 * 10 <9> CFU / g of saccharomyces cerevisiae, 1.0 * 10 <9> to 2.0 * 10 <9> CFU / g of streptococcus faecalis and 1.0 * 10 <9> to 2.0 * 10 <9> CFU / g of lactobacillus; the compound protease is composed ofacid protease with a concentration of 140000 to 160000 U / g, alkaline protease with a concentration of 180000 to 220000 U / g and neutral protease with a concentration of 80000 to 120000 U / g. Accordingto the soybean meal fermentation additive provided by the invention, the contents of acid-soluble protein, crude protein, lactic acid and the like in soybean meal can be increased, anti-nutritional factors such as trypsin, beta-conglycinin and glycinin in the soybean meal are reduced, the intestinal health of animals is improved, and the healthy growth of the animals is promoted.
Owner:GUANGDONG VTR BIO TECH
Convenient-to-take out double-layer root fixator
InactiveCN109169236AEasy to fixGuaranteed growth effectAgriculture gas emission reductionCultivating equipmentsMedicineUltimate tensile strength
The invention discloses a convenient-to-take out double-layer root fixator, which comprises an outer root fixator and an inner root fixator, wherein the surface of the outer root fixator is provided with a plurality of outer passing holes; the surface of the inner root fixator is provided with a plurality of inner passing holes; the inner root fixator can rotate relative to the outer root fixator;the inner root fixator is connected with the outer root fixator through a positioning mechanism; and the outer passing hole is internally provided with a cutting edge. According to the convenient-to-take out double-layer root fixator provided in the invention, after soilless culture is carried out on vegetables, the vegetables in the root fixator can be quickly taken out, and the labor intensityof an operator is reduced.
Owner:FOSHAN BAOYUEMEI SCI & TECH CO LTD
Device and method for intensifying deep phosphorus and nitrogen removal by intervening weak electric energy into artificial wetland based on pyrite filler
PendingCN113830881AAvoid environmental problemsPromotes aerobic oxidationTreatment by combined electrochemical biological processesBiological treatment regulationConstructed wetlandNitrogen removal
The invention discloses a device and a method for intensifying deep phosphorus and nitrogen removal by intervening weak electric energy into an artificial wetland based on pyrite filler. The nitrogen and phosphorus removal efficiency of the constructed wetland can be enhanced by moderate direct current, but local over-acidity or over-alkalinity is easily caused in cathode and anode areas. The direct current and the pyrite are respectively arranged in the aerobic area and the anaerobic area which are naturally formed due to different depths of the artificial wetland, the phosphorus removal effect of the constructed wetland is enhanced through the oxidation process of the pyrite, and the oxidation utilization rate of the pyrite is enhanced through the change of the oxygen concentration and pH influenced by the anode and the cathode, and thus the dephosphorization efficiency is further enhanced. Meanwhile, the pyrite can moderately maintain the pH stability of the cathode and anode areas, so that the microbial activity is ensured. According to the invention, the pyrite is properly arranged in the weak electric energy intervention constructed wetland, so that the phosphorus removal can be further improved, the denitrification effect can be enhanced, and local acidification and alkalization caused by direct current can be eliminated to a certain extent.
Owner:QUZHOU RES INST OF ZHEJIANG UNIV +1
Forestry safety weeding and pruning integrated device
InactiveCN111557165AConvenient weedingKeep healthyTransportation and packagingRotary stirring mixersForest industryAgricultural science
The invention discloses a forestry safety weeding and pruning integrated device, and belongs to the field of forestry and comprises a moving vehicle, a cross beam is arranged at the front end of the moving vehicle, first telescopic rods and a second telescopic rod are arranged on the upper surface of the cross beam, a rotating motor is mounted at the bottom ends of the first telescopic rods, a cutting wheel is detachably mounted on a cutting rotating shaft, and cutters are arranged at the bottom end of the second telescopic rod; and a cleaning rake is mounted on a third telescopic rod. A watertank is arranged in the moving vehicle, a water passing pipe is arranged on the water tank, a spraying disc is arranged at the outlet end of the water passing pipe, a stirring motor is arranged on the water tank, a plurality of sets of stirring blades are arranged on a stirring shaft, a lifting column is arranged on the moving vehicle, and a rotating joint is arranged at the top end of the lifting column; the upper surface of the rotating joint is connected with one end of a horizontal telescopic rod and electric scissors are mounted at the other end of the horizontal telescopic rod. Weedingis facilitated, meanwhile, recurrence of weed roots is avoided, the weeding effect and efficiency are guaranteed, the use safety of the device is improved, the forest fertility is supplemented in time, and the growth health of forestry trees is guaranteed.
Owner:武瑞京
Topsoil substitute mixture for strip mine waste dump and application thereof
ActiveCN110521321ASuitable for growthGood effectAlkali orthophosphate fertiliserAmmonium orthophosphate fertilisersWaste dumpUrea
The invention belongs to the technical field of soil improvement, and particularly relates to a topsoil substitute mixture for a strip mine waste dump and application thereof. The substitute mixture is prepared from, by weight, 20-25% of loess, 17-22% of clay, 30-35% of corn stalks, 3-5% of sodium hydroxide, 2-10% of urea and 10-30% of a trace element adjuvant. The invention further discloses a method for improving the strip mine waste dump by utilizing the topsoil substitute mixture for the strip mine waste dump. According to the topsoil substitute mixture, the physicochemical properties of resources such as non-topsoil are utilized, and the topsoil substitute mixture is comprehensively utilized to achieve the purpose that the topsoil substitute mixture is suitable for the growth of plants and achieve the improvement of the strip mine waste dump, so that the plants can grow to achieve the effect that the greening coverage degree reaches 80% or above.
Owner:INST OF WATER RESOURCES FOR PASTERAL AREA MINIST OF WATER RESOURCES P R C
High-cottonseed-meal carp compound feed and preparation method thereof
ActiveCN102640883BMeeting nutritional needsGuaranteed feed intakeAnimal feeding stuffThreonineRapeseed
The invention discloses a high-cottonseed-meal carp compound feed and a preparation method thereof, wherein each raw material in the compound feed and the percentage by weight thereof are as follows: 6.0% of fish meal, 15.2% of wheat middling, 11.00% of DDGS (distillers dried grains with soluble), 10.0% of bean pulp, 33.0% of cottonseed meal, 14.0% of rapeseed meal, 6.0% of rice bran meal, 2.0% of corn oil, 0.16% of table salt, 1.6% of monocalcium phosphate, 0.15% of choline, 0.39% of lysine, 0.05% of threonine, 0.2% of vitamins for fish, 0.2% of minerals for fish and 0.05% of aquatic productcomposite enzyme. The preparation method comprises the following steps of smashing, mixing, superfine smashing, granulating and spraying. The high-cottonseed-meal carp compound feed and the preparation method thereof provided by the invention have the advantages that the nutrition requirement of the carp is met, the feed intake of the carp is ensured, the weight increment rate of the carp is improved, meanwhile, the feed cost is lowered obviously, and the cultivation benefit is improved.
Owner:SHANDONG NEW HOPE LIUHE GROUP
Method for restoring vegetation in water-level-fluctuating zone of reservoir
ActiveCN111771632AGuaranteed growth effectMaintain fertilityCoastlines protectionPlant cultivationVegetationSoil science
The invention discloses a method for restoring vegetation in a water-level-fluctuating zone of a reservoir. The restoration method comprises the steps of: in the dry season, at a set position of a reservoir bank, inwardly dredging shore soil at a set depth along a dip angle of 30 degrees to a horizontal plane and obtaining an inclined trough with a dip angle of 60 degrees to the horizontal plane;digging a plurality of mounting grooves in the side surface, deviating from a water source, of the inclined trough along the set position; and prefabricating partition frames and stone cage columns, filling the partition frames with compacted composite soil, mounting the partition frames and the stone cage columns in the mounting grooves respectively, and forming a plurality of planting grooves among the partition frames, the stone cage columns and the side surface of the inclined trough respectively. The restoration method can solve the problem of a poor management effect on the water-level-fluctuating zone of the reservoir in the prior art, is high in efficiency, low in construction volume and high in success rate, and can ensure the survival of the vegetation at the same time.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
A self-purifying water circulation fish tank
ActiveCN109699559BRealize online purification functionBreak hysteresisPisciculture and aquariaCultivating equipmentsAquatic animalFishery
Owner:ANHUI AGRICULTURAL UNIVERSITY
Seedling raising device for municipal garden construction
InactiveCN111788962AReduce the modulus of elasticityEasy resetSelf-acting watering devicesCultivating equipmentsAgricultural engineeringBiology
Owner:顾斌
Rooting cultivation device and method used for bletilla striata tissue culture
InactiveCN112167059AGuaranteed growth effectReduce energy consumptionHorticulture methodsPlant tissue cultureBletilla striataPetri dish
The invention discloses a rooting cultivation device used for bletilla striata tissue culture. The rooting cultivation device comprises a base; the surface of the base is provided with a transparent cover; an operating mechanism penetrates through the center of the transparent cover in a sliding manner; the bottom end of the operating mechanism is connected with growth brackets distributed in an annular array manne; the growth brackets are used for bearing bletilla striata tissues; the operating mechanism is used for driving the growth brackets to vertically move and rotate; A sterile seedingculture dish, an induction culture dish and a rooting culture dish which are distributed in an annular array manner are embedded into the base at intervals; the outer wall of the transparent cover ishinged with a sealing cover plate; and the top face of the interior of the transparent cover is provided with a plurality of illuminating lamps and cameras. According to the rooting cultivation device, by utilizing the operating mechanism, the growth brackets can be cyclically switched among the sterile seeding culture dish, the induction culture dish and the rooting culture dish, so that the whole rooting culture process is conducted in the transparent cover, and the growth processes are all conducted in a constant environment, thus effectively guaranteeing the growth effect; and only one constant environment needs to be set, so that energy consumption is reduced, and the operation is simple.
Owner:普安县欣新生物科技有限责任公司
Piglet mixed feed additive for improving feed intake and application thereof
The invention provides a piglet mixed feed additive for improving feed intake and an application thereof. The additive comprises the following components in parts by weight: 5-8 parts of Bacillus subtilis, 2-4 parts of Lactobacillus acidophilus, 30-40 parts of Acremonium acremonium culture, 5-8 parts of vitamin C, 2-4 parts of lysozyme, 4-6 parts of calcium formate, 2-4 parts of glucose oxidase, and 40-50 parts of milk powder. The piglet mixed feed additive is mainly directed to the post-weaning stress of piglets, and ensures the safety, effectiveness and stability of the feed additive compounding through clear formula ratio and the action mechanism of components, and significantly improves the feed intake of the nursery pigs, and the effect is stable and reliable; the piglet mixed feed additive has a strong target for the weaning stress period of the piglets, is stable and effective for the suckling piglets to pass from a lactation period to a feed feeding stage, significantly improves the growth performance of the nursery pigs, and improves the economic benefits of the farmers.
Owner:华北制药集团动物保健品有限责任公司
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