91results about How to "Meeting nutritional needs" patented technology

The invention relates to the technical field of flavor agents, and provides a freshwater fish flavor pet flavor agent and a production method thereof, and the freshwater fish flavor pet flavor agent comprises the following components: freshwater fish, an enzyme preparation, reducing sugar, vitamins, amino acids, auxiliary materials and a herbaceous plant aqueous extract. Through scientific raw material selection, enzymic preparation proportion control, multi-element reducing sugar matching, comprehensive vitamin combination, balanced amino acid screening, herbaceous plant aqueous extract addition, nanotechnology wrapping operation and careful adjustment of auxiliary materials, the pet flavoring agent has the effects of special fragrance, rich taste, good palatability, immunity enhancement and the like.

The invention discloses a feeding method and device capable of automatically adding pig raising feed, and aims to optimize feed management in the pig raising process through an automatic and intelligent technology. Comprising the following steps: monitoring environmental parameters such as temperature, humidity and air quality in a pig house in real time through an environment monitoring device, and transmitting data to a central control system; the central control system dynamically generates and adjusts a feed formula according to environmental parameters and growth stages and health conditions of pigs, and accurately mixes feed components through an automatic proportioning device. The feed trough sensor monitors the residual amount of feed in the feed trough, and when the feed is insufficient, the system automatically controls the feed conveying device to supplement the feed. In the feeding process, the central control system adjusts the feed adding frequency and the feeding amount according to real-time data, and the cleaning device is combined with the ultrasonic cleaning and nano-coating technology, so that the cleanliness and long-term stable operation of the equipment are ensured.

The invention belongs to the technical field of plant drinks, and particularly relates to kidney-tonifying and bowel-relaxing cistanche tea and a preparation method thereof. The herba cistanche tea is prepared from the following raw materials in parts by weight: 30 to 40 parts of herba cistanche, 10 to 15 parts of fructus lycii extract, 10 to 12 parts of semen cassiae extract, 10 to 15 parts of fructus cannabis extract, 8 to 12 parts of radix polygoni multiflori extract, 8 to 10 parts of rhizoma dioscoreae extract, 3 to 5 parts of honey powder, 5 to 10 parts of maltodextrin, 2 to 3 parts of beta-cyclodextrin, 2 to 3 parts of antioxidant, 0.1 to 0.15 part of mixed enzyme and 2 to 3 parts of zymophyte. According to the preparation method disclosed by the invention, the flowers and the rhizomes of the cistanche are subjected to pretreatment and enzymolysis treatment in different modes, and then fermentation is performed under the same microbial fermentation condition, so that respective advantages of the two parts of raw materials are fully played, beneficial components are released and retained to the maximum extent, and the functionality and the quality of the product are remarkably improved through synergistic fermentation.

The invention provides a calf feeding robot with an autonomous navigation control system and a use method, and relates to the crossing field of robot technology and animal husbandry. A calf feeding robot with an autonomous navigation control system comprises a movable vehicle body chassis, a control screen, a main control bin, a first camera, a second camera, a laser radar base, a laser radar, a milk barrel, an electromagnetic valve, a nipple, a CAN communication interface module and a control panel. An autonomous navigation control system is arranged in the control panel and comprises an environment sensing subsystem, a navigation control subsystem, a milk feeding subsystem and a vehicle body chassis control subsystem, a highly-integrated control framework is achieved, and the integrated control system improves the operation efficiency and the response speed of the robot. Therefore, the robot can quickly adapt to the change of pasture environment and timely and accurately provide feeding service for calves.

The invention discloses a pet food added with vitamins, containing fish-derived raw materials and having effects of beautifying hair and protecting skin and a preparation method thereof. The vitamin-added pet food containing fish-derived raw materials comprises the following raw materials in parts by weight: 8-16 parts of salmon, 1-5 parts of salmon fish oil, 50-60 parts of chicken, 10-15 parts of chicken liver, 10-15 parts of chicken heart, 2-5 parts of sweet potato powder, 1-5 parts of beer yeast powder, 2-5 parts of chicken oil, 1-2 parts of semen plantaginis powder, 1-2 parts of chicory root powder, 1-2 parts of cellulose and 0.5-2 parts of egg yolk lecithin. The nutrient solution is prepared from the following components in parts by weight: 0.2-0.8 part of polyglycerol fatty acid ester, 5-20 parts of water, 0.2-0.5 part of vitamin E and 0.05-0.1 part of agar. The pet food containing the fish-derived raw materials and added with the vitamins is comprehensive in nutrition, and can enhance the physique of pets, help the growth of pet hair and make the hair color of the pets bright and glossy.

The invention discloses a method for culturing seawater rotifers by using prawn shell leavening, which comprises the following steps: S1, cleaning prawn shells to obtain a fermentation substrate; s2, dynamically optimizing fermentation conditions by adopting a multi-agent collaborative reinforcement learning algorithm; s3, predicting the optimal completion time of fermentation by adopting a mixed graph convolutional neural network and an adaptive genetic algorithm, and providing dilution suggestions through a spectral analysis technology; s4, dynamically calculating the dilution ratio, and mixing the fermentation liquor with seawater; s5, pouring the diluent into a rotifer culture pond, predicting the health state of the rotifer by adopting a Vision Transform model, and automatically adjusting a nutrition formula or environmental conditions; s6, monitoring the density of the rotifers in real time through a YOLOv5 target detection model and a camera, and keeping the rotifers within a preset density range; and S7, performing intelligent management on waste treatment based on a multi-objective evolutionary algorithm of non-dominated sorting. According to the method, a multi-agent collaborative algorithm and a deep learning technology are adopted, and intelligent culture of seawater rotifers and optimized treatment of wastes are realized.

The invention relates to the technical field of microorganisms, and provides a microbial preparation for promoting corn growth and a preparation method, and the microbial preparation comprises the following components in parts by weight: 5-7.5 parts of a complex microbial inoculant, 12-24 parts of bean pulp powder, 6-9 parts of cottonseed meal, 7-10 parts of corn flour, 1-1.5 parts of glucose, 1-3 parts of amino acid, 3-7 parts of magnesium sulfate, 4.5-6 parts of fish protein and 30-45 parts of water. A carrier is prepared from sodium alginate and a calcium chloride cross-linking agent to wrap compound bacteria of bacillus amyloliquefaciens and paecilomyces lilacinus, so that the compound bacteria are stable in structure and resistant to high temperature, harm of an existing chemical fertilizer to soil is greatly reduced, and meanwhile, the compound bacteria have a good growth promoting effect on corn.

The invention belongs to the technical field of microorganisms, and particularly relates to predatory tubulomyces sp. And application of the predatory tubulomyces sp. In biological prevention and control of plant diseases. The predatory tubulomyces sp. Strain NSE202 is preserved in China General Microbiological Culture Collection Center (CGMCC) on January 3, 2023, and the preservation number is CGMCC NO.26375. The invention further discloses a preparation method of the predatory tubulomyces sp. Strain NSE202. According to the present invention, the growth of a variety of plant pathogens such as Erwinia amyloliquefaciens, pectobacterium carotovorum subsp. Carotovora, pear rust pathogen and the like is inhibited through the predation manner, and the broad-spectrum pathogen resistance of the tubulomyces sp. NSE202 is represented; meanwhile, the tubulomyces sp. Strain NSE202 can effectively inhibit the infection of pear fire blight bacteria and cotton verticillium wilt bacteria on pyrus betulaefolia and cotton, reduces the morbidity of pear fire blight and cotton verticillium wilt, and can be used for biological control of plant diseases caused by phytopathogens.

The invention discloses a plant growth regulator used in a rice panicle differentiation stage under high temperature stress and a use method thereof, the plant growth regulator comprises jasmonic acid methyl ester, fertilizer is applied 7 days after rice transplanting (tillering stage) and the panicle differentiation stage respectively, and a shallow water layer is kept after transplanting; spraying the plant growth regulator used in the rice panicle differentiation stage under high temperature stress at the initial stage of rice panicle differentiation; other management is carried out according to conventional field high-yield cultivation management. According to the plant growth regulator, by exogenous spraying of MeJA, the rice yield can be increased by 60% or above, multiple physiological indexes can be improved at the same time, the stress resistance of rice is enhanced, the nutritional requirements of rice spike growth and development are met, damage of high temperature stress to rice is relieved, the rice spikelet differentiation number is increased, and therefore the grain number per spike is increased, and the yield is increased. The method is beneficial for regulating endogenous growth hormones such as cytokinin of rice, optimizing the growth and development process and relieving the influence of high-temperature stress on the morphogenesis of young ears.

The invention relates to the technical field of automatic control, in particular to an intelligent pasture concentrate control management method and system based on the Internet of Things. The method comprises the following steps: acquiring livestock growth state data; performing environmental parameter acquisition on the pasture management module by using a sensor to obtain pasture environmental parameter information; performing feed demand data real-time collection on the pasture management module based on the livestock growth state data and the pasture environment parameter information to obtain pasture feed demand data; and performing feed component extraction on the pasture feed demand data to generate pasture feed component data. Through the Internet of Things technology, the data processing technology, the automatic control technology and the intelligent management technology, centralized batching and unified production of feed are achieved through an automatic control system according to livestock growth state data and pasture environment parameter information; real-time monitoring of the remaining condition of the stock feed is achieved, stock early warning is automatically sent out, and the accuracy of pasture feed control is improved.

The invention discloses paenibacillus arborescens and application thereof, and belongs to the technical field of microorganisms. The classification name of the paenibacillus arborescens is paenibacillus arborescens yhs-1, the paenibacillus arborescens yhs-1 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation date is October 25, 2023, and the preservation number is CCTCC NO: M 20232033. The bacterial strain is screened from tobacco leaf and fruit and vegetable samples, has better degradation capacity on xanthophyll, can degrade xanthophyll in tobacco leaves and generate 18 aromatic substances when being applied to tobacco leaf fermentation, so that the tobacco leaves are sufficient in aroma aftertaste and free of other offensive odor and pungent smell; when the fermented tobacco leaf product is applied to cigarettes, the smoking quality of the cigarettes can be remarkably improved.

The invention relates to the technical field of mathematical optimization, in particular to a graded biochemical index-based yak fattening method, which comprises the following steps of: acquiring yak sample data, calculating a plurality of groups of index mean value sets and a plurality of groups of index standard deviation sets, calculating an index comprehensive score set, and performing health state grading on the index comprehensive score set through graded biochemical indexes. Identifying a corresponding to-be-fattened yak group, obtaining a unit index demand set of each to-be-fattened yak group, constructing a fattening constraint condition set according to the unit index demand set, obtaining a unit feed cost threshold value, constructing a target fattening function based on the unit feed cost threshold value, and fattening the to-be-fattened yak group according to the target fattening function. And solving the fattening constraint condition set and the target fattening function by using a linear programming solver to obtain an optimal fattening feed ratio, and fattening the plurality of yak groups to be fattened according to the optimal fattening feed ratio. The intelligent degree of an existing yak fattening method can be improved.

The invention discloses a formula food operation and management device based on a man-machine interaction technology. The device comprises a man-machine interaction module, a nutrition analysis module, a formula food screening module and a formula food mixing module which are in communication connection. According to detailed health information collected by the man-machine interaction module, the nutrition analysis module can provide highly-personalized nutrition proportion information, it is ensured that a postoperative patient obtains nutrition supply most suitable for the recovery requirement of the patient, and for the special nutrition requirement which cannot be directly met through standard full-nutrition formula food, the nutrition requirement of the patient can be met through the standard full-nutrition formula food. The formula food screening module is combined with the nutrient component proportion prediction model, customized nutrient component mixing proportion parameters can be dynamically generated, and the problem that configuration is difficult under a traditional method is solved.

The invention provides a breeding method for improving the production performance of pregnant sows, and the breeding method comprises the following steps: (1) from the 25th-35th day of pregnancy to the 55th-65th day of pregnancy of the sows, adding a first nutritional supplement into a sow feed; (2) from the 55th-65th day of pregnancy of the sows to the 85th-95th day of pregnancy of the sows, adding a second nutritional supplement into the feed of the sows; and (3) adding a third nutritional supplement into the sow feed from the 85th-95th day of pregnancy to delivery of the sows. The breeding method provided by the invention can fully meet the nutritional requirements of the pig fetuses, promote the growth and development of the pig fetuses, avoid intrauterine development retardation, relieve oxidative stress of the sows, shorten the birth process, reduce postpartum inflammation of the sows, promote rapid recovery of the sows, reduce the number of weak piglets, improve the birth weight of the piglets, and further improve the survival rate and health state of the piglets.

The invention relates to the field of aquaculture feeds, in particular to a metamorphosis-stage giant spiny frog tadpole feed and a use method thereof. The metamorphosis-stage giant spiny frog tadpole feed consists of the following components in percentage by weight: 25-35% of fish meal, 25-35% of yellow mealworm powder, 15-25% of soybean meal, 5-15% of wheat flour, 6-10% of yeast powder, 1-3% of lecithin and 0.4-0.6% of compound vitamins. When the giant spiny frog tadpole feed prepared by the method is used for feeding giant spiny frog tadpoles in the metamorphosis period, the nutritional requirements of the giant spiny frog tadpoles in the metamorphosis period can be met due to the high protein content, meanwhile, the survival rate of the tadpoles can be guaranteed on the premise that high protein intake is kept, and meanwhile the metamorphosis rate of the tadpoles is increased.

The invention discloses a composite biological carbon source and a preparation method thereof. The composite biological carbon source is prepared from the following raw materials: carbon source liquid, alcohol organic matters, trace elements, small molecular organic acid, saccharides, glycerol, vitamins, a surfactant and a buffering agent, the nutrient solution comprises the following components in parts by weight: 10-30 parts of carbon source liquid, 5-10 parts of alcohol organic matters, 0.5-1 part of trace elements, 1-5 parts of small molecular organic acids, 10-20 parts of saccharides, 5-10 parts of glycerol, 0.5-1 part of vitamins, 0.5-1 part of a surfactant and 0.5-1 part of a buffering agent. The composite biological carbon source is prepared from the carbon source liquid, the alcohol organic matter, the trace elements, the small molecular organic acid, the saccharides, the glycerol, the vitamins, the surfactant and the buffer agent, the components in the composite biological carbon source can be better utilized by microorganisms, the utilization efficiency of the carbon source is improved, and the composite biological carbon source contains various nutritional ingredients, so that the composite biological carbon source has a good application prospect. Various nutritional requirements required by growth of microorganisms can be met, rapid propagation and metabolic activity of the microorganisms are promoted, and the requirements of sewage treatment can be more effectively met.

The invention discloses an automatic silkworm breeding system device, and relates to the technical field of silkworm breeding. The automatic silkworm breeding system device comprises a mounting main support, an unstacker, a stacker crane, desanding equipment, disinfection equipment and feeding equipment, the unstacker crane and the stacker crane are arranged on the mounting main support, grabbing assemblies are arranged on the unstacker crane and the stacker crane, the grabbing assemblies are located on the mounting main support, and the desanding equipment comprises a magnetic attraction assembly. Bidirectional threaded rods are rotatably mounted on the inner walls of the front and rear sides of the U-shaped plate, an auxiliary rod is fixedly connected between the inner walls of the front and rear sides of the U-shaped plate, the disinfection equipment comprises quick lime spraying equipment, and the feeding equipment comprises a quantitative assembly which is located on one side of a magnetic attraction assembly. According to the silkworm excrement screening device, silkworm excrement on the silkworm winnows can be shaken and screened, so that the breeding environment is improved, the disease occurrence rate is reduced, the requirement for manually cleaning the silkworm excrement is reduced through automatic screening, the labor intensity of breeding personnel is relieved, and the working efficiency is improved.

The invention discloses a low-energy-consumption green preparation process of a glycine fermentation broth fertilizer, and relates to the technical field of fertilizer production, the low-energy-consumption green preparation process comprises the following specific steps: step 1, placing a glycine fermentation broth in a fermentation container, and fermenting by adopting a low-temperature long-time fermentation mode, the method has the advantages that the glycine fermentation broth from different sources is preliminarily mixed according to the proportion, then the humic acid and the seaweed extract which are subjected to high-temperature sterilization treatment are gradually added, all the components are fully fused in the mixing process, in addition, the preliminarily mixed glycine fermentation broth from different sources needs to be pretreated before being mixed, and the mixing effect is good. And impurities and suspended matters are removed, and the added natural organic substances humic acid and seaweed extract are subjected to high-temperature sterilization treatment, so that the nutritional ingredients of the fertilizer are more balanced and stable, the nutritional requirements of different plants in different growth stages can be better met, the fertilizer efficiency of the fertilizer is improved, the growth of the plants is promoted, and higher benefits are brought to agricultural production.

The invention relates to the technical field of soil improvement, and discloses a garden soil composite improver and a preparation method thereof. The soil composite improver comprises, by weight, 12-15 parts of fermented organic fertilizer, 9-20 parts of modified water-retaining adsorbent, 24-30 parts of biochar, 5-8 parts of plant ash, and 1.2-2 parts of a microbial mixture. The soil composite improver has good adsorption to heavy metal ions, can effectively remove heavy metal ions in the soil, and has excellent fertilizer and water retention, and can maintain the nutrients in the soil for a long time. It has excellent air permeability and water retention, can keep the soil loose and moist, improve soil compaction, improve soil air permeability and soil activity, provide necessary air and water for the growth of plant roots, and each component complements and promotes each other, synergizes and enhances efficiency, and can effectively improve the quality of garden soil.

The invention relates to the technical field of livestock breeding, in particular to a cow breeding system and method based on artificial intelligence, and the system comprises a data collection module, a determination module, a judgment module, a screening module, an adjustment module, a calculation module, a prediction module and a correction module. According to the system, accurate real-time data collection and intelligent analysis are combined, the physiological state of the dairy cow can be comprehensively monitored, and the system not only improves the diagnosis accuracy of the health condition of the dairy cow, but also can dynamically adjust a feeding scheme to optimize the reproduction rate by integrating multiple parameters such as hair density, glossiness, body temperature and skin moisture, so that the breeding efficiency is improved. In addition, due to the introduction of the artificial intelligence model, the prediction of the reproductive rate is more accurate, and by correcting the threshold value and the reproductive coefficient, the problem that the reproductive condition of a dairy cow group cannot be accurately and comprehensively reflected due to the unstable measurement of a traditional sensor and the limitation of individual monitoring is effectively solved.

The present invention relates to the field of automatic control technology, and in particular to an intelligent ranch concentrate control management method and system based on the Internet of Things. The method comprises the following steps: obtaining livestock growth status data; using sensors to collect environmental parameters of a ranch management module to obtain ranch environmental parameter information; collecting feed demand data of the ranch management module in real time based on the livestock growth status data and the ranch environmental parameter information to obtain ranch feed demand data; extracting feed components from the ranch feed demand data to generate ranch feed component data. The present invention realizes centralized batching and unified production of feed through an automatic control system based on livestock growth status data and ranch environmental parameter information through the Internet of Things technology, data processing technology, automatic control technology, and intelligent management technology; realizes real-time monitoring of the remaining inventory of feed, and automatically issues inventory warnings to improve the accuracy of ranch feed control.

The invention belongs to the technical field of feed additives, and particularly relates to a compound feed additive for fattening cattle and a preparation method of the compound feed additive. The compound feed additive for fattening cattle comprises the following raw materials in parts by weight: 5-10 parts of gelatinized starch urea, 1-3 parts of guanidinoacetic acid, 0.5-1 part of modified diatomite, 0.1-0.5 part of rumen bypass vitamin C and 0.3-0.5 part of a hail vegetable extract. The modified diatomite in the composite additive has good slow-release performance and can improve the performance of the traditional Chinese medicine polypeptide, and the hail vegetable extract has certain film-forming property, can improve the stability of the modified diatomite in vitro, is easy to digest and absorb in animal bodies and can improve the utilization rate of nutrients by animals. The additive is creatively added into feed, so that the proportion of soybean meal in daily ration can be reduced, the feeding cost is reduced, and the growth and development capability of cattle is improved.

The invention relates to the technical field of diet preparation, in particular to a medical nutritional diet preparation machine which comprises a bearing box body, a conveying channel is formed in the bottom end of the interior of the bearing box body, an oscillation mixing assembly is arranged in the conveying channel, and the oscillation mixing assembly comprises an oscillation transmission shaft rotationally installed on the inner wall of the conveying channel; an oscillating plate is fixedly mounted in the middle of the oscillating transmission shaft; a mixing assembly is arranged in the bearing box body, the mixing assembly comprises an assembling cavity formed in the middle position in the bearing box body, and an oscillation push rod slidably mounted in the bearing box body is arranged between the assembling cavity and the conveying channel. Through the vibration mixing effect of the mixing assembly, it can be ensured that raw materials are fully dispersed and evenly mixed in the mixing and collecting box; compared with a traditional stirring mode, the mixing assembly can more thoroughly break agglomeration and caking among the raw materials, so that various components are more uniformly distributed in the mixture.

The present invention relates to the field of animal husbandry technology, and in particular to a dairy cow breeding system and method based on artificial intelligence, the system comprising: a data acquisition module, a determination module, a judgment module, a screening module, an adjustment module, a calculation module, a prediction module and a correction module. The present invention can comprehensively monitor the physiological state of dairy cows by combining accurate real-time data acquisition with intelligent analysis. The system not only improves the diagnostic accuracy of the health status of dairy cows by integrating multiple parameters such as hair density, glossiness, body temperature and skin moisture, but also can dynamically adjust the feeding plan to optimize the reproduction rate and reduce health problems caused by improper feeding. In addition, the introduction of artificial intelligence models makes the prediction of the reproduction rate more accurate. By correcting the threshold and the reproduction coefficient, the problem of being unable to accurately and comprehensively reflect the reproduction status of dairy cow groups due to the unstable measurement of traditional sensors and the limitations of individual monitoring is effectively solved.

The invention belongs to the technical field of food processing, and particularly relates to a freeze-dried yoghourt block and a preparation method thereof. According to the invention, rhizoma polygonati extract liquid is used as a main material, traditional Chinese medicine extract liquid with homology of medicine and food is used as an auxiliary material, the rhizoma polygonati extract liquid and milk are mixed and fermented in proportion, and the mixture is frozen by adopting a vacuum freeze-drying technology, so that common light health-preserving food of rhizoma polygonati series freeze-dried yoghurt is developed; the series of products comprise rhizoma polygonati freeze-dried yoghurt blocks, rhizoma polygonati-chaenomeles speciosa freeze-dried yoghurt blocks, rhizoma polygonati-cortex moutan freeze-dried yoghurt blocks, rhizoma polygonati-poria cocos freeze-dried yoghurt blocks, rhizoma polygonati-platycodon grandiflorum freeze-dried yoghurt blocks and rhizoma polygonati-chrysanthemum freeze-dried yoghurt blocks. Results of the embodiment show that the prepared rhizoma polygonati series freeze-dried yoghurt blocks are crisp in taste, rich in milk fragrance, regular in block appearance, natural in color and luster, free of additives and nutritional and healthy to eat.

The invention discloses an auxiliary irrigation device for the planting industry. The auxiliary irrigation device comprises a fixed seat; a liquid mixing box is arranged on the fixed seat, and a water inlet pipe is arranged at the upper end of the liquid mixing box; a telescopic rod is arranged on one side of the liquid mixing box, a water collecting barrel is arranged at the upper end of the telescopic rod and communicated with the pressurizing pipe, a barrel body is arranged on the water collecting barrel, a plurality of spray heads are arranged on the barrel body, and a flushing pump is arranged at the upper end of the barrel body and communicated with the spray heads through flushing pipes; a controller is arranged at the lower end of the fixed seat and is electrically connected with the flushing pump; the invention aims to solve the problem that the spray head on the irrigation device is not easy to block in the plant growth process.

The invention provides a vegetable protein peptide special dietary nutrition product and a preparation method thereof, and relates to the technical field of food science, and the vegetable protein peptide special dietary nutrition product is prepared from the following raw materials: soybean protein isolate, inulin, polydextrose, resistant dextrin, soybean peptide powder, oat fiber powder, plant enzyme powder, hydroxymethyl cellulose, compound vitamins and compound minerals. The health-care food is rich in various amino acids, vitamins, mineral substances, dietary fibers and various nutritional ingredients necessary for human bodies, and can meet the nutritional requirements of special crowds; the vegetable protein peptide has the characteristics of small molecular weight and simple structure, and is easily digested and absorbed by a human body; through reasonable formula design and process optimization, the health-care food has good mouth feel and flavor.

The invention relates to the field of aquaculture, in particular to mandarin fish fry domestication feed and application. The feed is specially designed for mandarin fish fries, aims to promote the fries to quickly adapt to artificial feed and improve the survival rate and growth speed of the fries, and is mainly composed of fish meal, mixed algae powder, dried porcine soluble, soybean meal, peanut meal, meat and bone meal, blood meal and the like, and matched with vitamin premix and mineral premix. According to the feed, by optimizing the proportion of protein, fat and carbohydrate, the protein content of the feed is larger than 50%, the fat content of the feed is larger than 10%, the nutritional requirement for rapid growth of fish fries is met, the vitamin premix in the feed contains vitamin A, vitamin E and vitamin C, the disease resistance of the fish fries is effectively improved, and the survival rate of the fish fries is increased. The feed provided by the invention can significantly improve the domestication effect of large-scale mandarin fish fries.

The application discloses a kind of edible plant blend oil and its preparation method, the content of the lipid companion in the finished product of the blend oil, including, polyphenol 20-70, squalene 100-300, 2350-5700 of glucosinolate, 1600-4550 of beta-sitosterol, 700-2100 of rapeseed sterol, 300-750 of stigmasterol, 40-95 of lanosterol, 30-165 of brassicasterol, 90-240 of alpha-tocopherol, 275-850 of gamma-tocopherol.The application provides a kind of edible plant blend oil, the content of each kind of fatty acid in the blend oil is reasonably matched, and contain a variety of oil-specific trace nutrients, more comprehensive nutrition, utilize the synergistic effect, so that food plant blend oil can achieve better effect of reducing high blood lipids and high cholesterol, can satisfy the nutritional needs of different population.

The invention relates to the field of blueberry planting, in particular to a matrix potted blueberry nutrient solution and a preparation device thereof. The preparation device comprises a mixing tank, placement grooves, a telescopic stirring mechanism and a batching mechanism, a stirring rod is slidably connected to the middle of the mixing tank, stirring blades are fixedly connected to the end, located in the mixing tank, of the stirring rod at equal intervals, the placement grooves are formed in the top end of the mixing tank at equal intervals, and the number of the placement grooves is 12. Each placing groove is filled with a compound, connecting blocks are slidably connected to the interior of the mixing tank at equal intervals, through holes are formed in one sides of the connecting blocks, and the through holes are different in size. By testing different liquid fertilizer formulas, blueberry fertilizer formulas suitable for specific climate conditions in different regions are screened out; the formulas can better meet the requirements of the blueberries for nutrition in different growth stages, so that the planting adaptability of the blueberries in the southern region is improved.