3109 results about "Forage" patented technology

Frog farming method and frog cage are provided. The method comprises: I, putting young frogs in the frog cage in spring; II, putting lure attracting mosquitoes into the frog cage into the frog cage in summer and autumn, thereafter the frogs feed on the mosquitoes; III, avoiding snakes entering the frog cage in the place where the snakes inhabit; IV, covering the frog cage with plastic film in winter, mounting an electric lamp in the frog cage, increasing the temperature of air in the frog cage to keep the frogs not hibernating and promote the frogs to grow; V, adding artificial lure if necessary. The frog cage includes a fixed frog cage and a vehicle-mounted frog cage, both including inner tiers, wherein a water basin, a terrace and a stairway communicating the upper and lower tiers are arranged on each tier, and the frog cage is covered with a mesh enclosure. The frog framing method and frog cage have the advantages that the frogs are farmed in multi-tier cages, lures are used outdoors to attract insects, pests are eliminated for crops, natural ecology is balanced, and food sources are also provided for human; cage framing of frogs is very low in cost; frogs farmed have high reproductive rate, high disease resistance and high feed conversion capacity.

The invention discloses an intelligent operation system for aquaculture management, which relates to the field of aquaculture and comprises a water quality detection module for detecting water quality data in an aquaculture unit, a meteorological detection module for detecting meteorological data of the position of the aquaculture unit, and an ultrasonic detection module for detecting quantity data of fishes in the aquaculture unit, the image detection module detects weight data and growth stages of fish in the breeding unit, and the analysis control module analyzes standard water quality and standard feed feeding amount in the breeding unit through an AI analysis model according to meteorological data, quantity data, weight data and growth stages; the analysis control module compares the difference between the water quality data at the current moment and the standard water quality, controls the oxygenation equipment to oxygenate and controls the water treatment equipment to change water; according to the standard feed feeding amount, a control signal is sent to control feeding system equipment to feed. According to the invention, powerful support is provided for modernized development of aquaculture, and more efficient, real-time and intelligent aquaculture management is realized.

The invention discloses an aquaculture intelligent feeding management system based on the Internet of Things, and relates to the technical field of aquaculture, a camera and a dissolved oxygen detector are utilized to construct an Internet of Things monitoring module, fish school behaviors and water quality environment data are collected in real time, and the movement track, group density and feeding state of a fish school are extracted; secondly, light-weight algorithms such as TinyYOLO and the like are adopted, rapid analysis of feeding intensity and feeding requirements is achieved in a local embedded computing module, a feeding model is generated, and dependence on high-performance hardware and cloud computing is reduced; meanwhile, the feeding control logic device dynamically calculates the optimal feeding amount and the optimal feeding opportunity based on the feeding state and the environmental characteristics; by monitoring the change of the ingestion intensity, the system catches the optimal ingestion window of the fish school, and maximization of the feed utilization rate is achieved; meanwhile, in combination with feedback analysis and a closed-loop optimization mechanism, model parameters are dynamically adjusted according to the feeding effect of the last round, and the environmental adaptability of the feeding plan is improved.

The invention provides a river crab feed feeding mixed monitoring method, system and device and a medium, and belongs to the field of aquaculture intelligent monitoring. Data is collected and normalized, and a chain type data collection system is constructed; the edge computing and block chain technology is adopted to realize data distributed storage and transmission; a fuzzy neural network hybrid model is constructed, fuzzification processing, feature mining and defuzzification output are integrated, and a feeding amount prediction value is generated; associating the feed proportioning library with the knowledge graph, and iteratively training the model and generating a multi-target feeding decision parameter; feeding equipment is controlled to execute actions according to the decision parameters, and the real-time monitoring model outputs and triggers an early warning signal; and updating the knowledge graph and the feed matching library based on the feedback data to form closed-loop self-adaptive regulation and control. According to the method, various factors can be comprehensively considered, scientific and intelligent feed feeding decision is realized, feed waste and insufficient feeding are effectively avoided, and the growth quality of the river crabs is improved.

The present invention relates to the use of MtNAC33 gene and a protein encoded thereby in the cultivation of high-biomass and drought-tolerant alfalfa, belonging to the technical field of plant genetic engineering. The plant protein encoded by MtNAC33 gene has the amino acid sequence set forth in SEQ ID NO: 2, and MtNAC33 gene has the nucleotide sequence set forth in SEQ ID NO: 1. In the present invention, the drought tolerance of Arabidopsis thaliana and alfalfa can be significantly improved by regulating the expression level of MtNAC33 in alfalfa. The phenotypes of delayed flowering, increased leaf-to-stem ratio and more biomass in alfalfa were also developed, which has an important effect for genetic improvement of stress resistance and biomass of forage grass and other crops.

The invention provides an ecology-imitating artificial propagation method for Dongquasichthys nobilis. The ecology-imitating artificial propagation method comprises the following steps: S1, selecting male and female parent fishes and putting the male and female parent fishes into an artificial ecology-imitating breeding pond for breeding; s2, in a non-breeding season, feeding female parent fish feed A for 2-3 times every day, and feeding male parent fish feed B for 2-3 times every day; s3, 2-3 months before breeding, female parent fish fortified feed I is fed 2-3 times every day, and male parent fish fortified feed II is fed 2-3 times every day; s4, after the gonad of the parent fish is mature, artificial spawning induction is conducted, and fertilized eggs are collected and hatched. According to the method, the ecology-imitating breeding environment is manufactured, so that the east astrostroma parent fish adapts to the artificial environment, the irritability is reduced, the east astrostroma parent fish is fed with different feeds in the non-breeding season and the breeding season, the ecological factor and nutritional requirements for gonad development of the east astrostroma can be met, the immunity of the east astrostroma parent fish is improved, gonad maturation is promoted, and the survival rate of the east astrostroma parent fish is increased. The quality of sperms and ova is improved, the fertilization probability is improved, the malformation probability of hatched larvae is reduced, and the breeding efficiency is improved.

The invention discloses a natural grassland grazing duration prediction method and prediction device based on a remote sensing technology. The prediction method comprises the following steps: obtaining daily forage grass feed intake according to the existing above-ground biomass of the grassland and the potential above-ground biomass of the grassland; according to the daily forage grass feed intake and the total amount of edible forage grass in the future preset time period, the grazing duration is obtained. According to the method for predicting the grazing duration of the natural grassland based on the remote sensing technology, the grazing duration of the grassland can be effectively predicted by accurately calculating the daily forage grass feed intake of the natural grassland and the total amount of the edible forage grass in the future preset time period; through scientific evaluation of the existing above-ground biomass and the potential above-ground biomass of the grassland, reasonable utilization of pasture resources can be ensured, grassland degradation caused by excessive grazing is avoided, and the production potential of the grassland is maximized.

The invention discloses a self-propelled round pasture baler, and relates to the technical field of pasture balers, the self-propelled round pasture baler comprises a baling device and a tractor head used for pulling the baling device to move, the baling device comprises a shell, a picking and feeding assembly, a forage twisting assembly, a round baling assembly and a power assembly, the forage twisting assembly is provided with a fixed conveying belt and a movable conveying belt which are in reverse transmission, when the movable conveying belt and the fixed conveying belt are attached, forage is twisted into pieces and conveyed to the round bundling assembly, and when the movable conveying belt and the fixed conveying belt are separated, the forage is conveyed to the round bundling assembly in a clustered mode; the round bundling assembly comprises a core forming guide roller set, a movable adjusting roller, a plurality of supporting rollers, a round bundling belt wound around the adjusting roller and the supporting rollers, and a control structure used for controlling the round bundling belt to be tensioned. By controlling the position of the adjusting roller, a new grass core is regenerated in a core forming area in the grass bale net winding process, parallelization of operation is achieved, and automatic continuous operation is achieved.

The utility model discloses a ventilation cooling structure of a forage grass cultivation container, and relates to the technical field of forage grass. The device comprises a container assembly, a ventilation assembly and a humidification assembly, the container assembly comprises a box body, three placement plates are fixedly installed in an inner cavity of the box body, cultivation trays are movably installed on the two sides of the top of each placement plate, and a collection box is movably installed at the bottom of the inner cavity of the box body. By arranging the humidifying assembly, when the temperature in the box body is too high or the humidity is too low, a water pump is started, when the water pump is used, water flow in a water tank is conveyed into a water outlet pipe through a water inlet pipe, water flow in the water outlet pipe is conveyed into a flow dividing pipe, and water flow in the flow dividing pipe is conveyed into a plurality of connecting pipes; and water in the connecting pipe is atomized and sprayed out of the interior of the box body through the atomizing nozzles, so that the cooling and humidifying effects can be achieved, it is guaranteed that the temperature and humidity in the box body are appropriate, and an appropriate growth environment is provided for pasture.

An indoor system for making self-sufficient green walls may include: a load-bearing structure including one or more growing receptacles, wherein each of the one or more growing receptacles includes a growing medium configured to contain, support, and / or feed roots of at least one plant; a feeding system configured to provide water, fertilizers, and / or other nutrients to the at least one plant; a photostimulation system including one or more light sources configured to stimulate photosynthesis processes in the at least one plant; and a control system configured to automatically control the feeding system and / or the photostimulation system based on detection of one or more operating variables of one or more of the feeding system, the photostimulation system, and one or more physical / chemical quantities of the at least one plant and / or an environment surrounding the at least one plant.

The invention provides a fish school density distribution similarity measurement-based bait casting decision-making method, which comprises the following steps of: acquiring static pictures, dynamic videos and real-time video streams of a water area containing fishes, and preprocessing to obtain an input data set; an Ifeed model is constructed, and the Ifeed model comprises a multivariate input preprocessing and image foreground target extraction module, a fish school feeding behavior analysis and density distribution estimation module, a target key point extraction and full connection distance calculation module and a fish school gathering trend visualization and bait casting decision support module; inputting the input data set into the Ifeed model, and training the Ifeed model through the input data set; static pictures, dynamic videos or real-time video streams of a water area to be fed are collected and input into the trained Ifeed model, and gathering degree visual data and feeding strategies of fish schools in the water area to be fed are obtained. Feed waste can be reduced, water quality pollution is reduced, cost is reduced, efficiency is improved, and the purpose of accurate feeding is achieved.

The invention discloses a hybrid sturgeon feed and a preparation method thereof, and relates to the technical field of sturgeon feeds, and the key point of the technical scheme is that methionine and lysine are supplemented in a feed in which soybean protein concentrate replaces fish meal, so that the influence of methionine and lysine on the growth performance, liver and intestinal health and muscle quality of hybrid sturgeons is improved. The soybean protein concentrate is used for replacing the fish meal, so that the dosage and production cost of the fish meal are greatly reduced, and meanwhile, the methionine and the amino acid are added, so that the negative influence caused by replacing the fish meal with the soybean protein concentrate is avoided.

The invention discloses a green feed loading information acquisition and identification system and method based on an IaPFusion model, and belongs to the technical field of automatic filling and throwing of silage harvesters, and the system comprises a data acquisition module, a communication module, a data processing module and a fusion evaluation module. According to the invention, a deep learning technology is researched and utilized, accompanying vehicle hopper identification research is carried out, on the basis of obtaining two-dimensional and three-dimensional data of a feed box, a double-branch network based on an IaPFusion model is provided, image segmentation and point cloud segmentation technologies are combined, a data fusion method is adopted, automatic identification is carried out on the feed box and the green feed in the green feed loading process, and the identification efficiency of the feed box and the green feed is improved. The scientificity of silage harvesting is further improved, and forage loss is effectively reduced.

The invention discloses paenibacillus kribbensis exopolysaccharide and application thereof in prevention and control of iridovirus diseases of micropterus salmoides. The invention provides a paenibacillus kribbensis exopolysaccharide. The paenibacillus kribbensis exopolysaccharide is prepared from a fermentation product of a paenibacillus kribbensis space mutation delta PS04-17 strain. As a fish feed additive, the paenibacillus kribbensis exopolysaccharide has better in-vivo safety, has a promoting effect on the growth of the largemouth bass, and can promote the growth and weight gain of the largemouth bass and reduce the feed coefficient of the largemouth bass. Meanwhile, as a drug for resisting LMBV virus infection, the compound can inhibit expression of viruses in target tissues, alleviate virus-induced fish body target tissue structure damage and reduce the death rate caused by virus infection. Besides, the paenibacillus kribbensis exopolysaccharide serving as a disease-resistant immunopotentiator can maintain intestinal health of the micropterus salmoides, is simple to prepare, low in cost and easy to obtain in quantity, and provides more products and methods for prevention and control of the iridovirus disease of the micropterus salmoides.

Disclosed herein is use of miR528 in production and breeding of gramineous forage grasses. By down-regulating the expression and / or function of miR528, the present invention can significantly enhance the tillering and / or regeneration capacity of the gramineous forage grasses, which is conducive to the biomass accumulation of the gramineous forage grasses, and the breeding of new gramineous forage grass subspecies with enhanced tillering and / or regeneration capacity.

The invention relates to a microbial strain and application thereof, in particular to bacillus brevis, a microbial agent prepared from the bacillus brevis and application of the microbial agent. The invention provides the cold-resistant bacillus subtilis which has multiple functions of generating capsular polysaccharide, being high in salt resistance and cold resistance, promoting growth and disease resistance of plants in saline-alkali soil and the like. The bacterial strain can generate capsular polysaccharide, experiments prove that the bacterial strain has high capabilities of dissolving phosphorus, fixing nitrogen and producing siderophore, IAA, ACCD and cytokinin, and has strong antagonistic action on fusarium, curvularia and microplasmodium, and the generated capsular polysaccharide can promote salt tolerance of plants, so that the yield of the plants is increased, and the yield of the plants is increased. The bio-fertilizer is suitable for production of multifunctional bio-fertilizers with disease prevention, growth promotion, salt and alkali resistance, cold resistance and the like, is applied to production of saline-alkali soil grain crops, pasture and greenhouse commercial crops, has remarkable effects of promoting cold damage resistance, root development, prevention and control of root diseases, improvement of crop yield and the like, can reduce the use of chemical fertilizers and pesticides, and has a wide application prospect.

The invention relates to the technical field of black carp culture, and particularly discloses an AI identification system for black carp culture operation, which is used for solving the problem that an existing fishery culture feed distribution device is difficult to carry out accurate suspension and diffusion feeding of feed aiming at middle-layer and bottom-layer gathering behaviors preferred by black carps. The problems of feeding blind areas, low feed utilization rate and frequent manual intervention caused by lack of real-time intelligent identification and closed-loop regulation and control based on fish school distribution, feeding dynamics and environmental disturbance are solved; comprising a fishery breeding feed distribution device, a multi-source data acquisition module, a fish school detection module, a feedback correction module, an AI identification module, a bait field generation module and an execution control module. According to the method, fish school distribution and multi-source time sequence data are deeply fused through cross-modal diagram convolution, an adversarial sound-light-bubble bait field is generated, nonlinear resonance feeding and closed-loop feedback correction are applied, middle-layer suspension uniform distribution of black carps is achieved, and the feed hit rate and utilization rate are efficiently increased.

The invention discloses a rice field crayfish body surface cleanliness improving method based on accurate aquatic plant management and protection and ecological induction, and relates to the technical field of crossing of aquaculture and ecological agriculture. The lifting method comprises the steps that submerged plants are planted in the rice field in February every year, and the submerged plants are trimmed regularly in the cultivation process so that the top ends of the submerged plants can be kept under the water surface; shrimp seeds are put into the rice field, and feed is fed regularly; in the subsequent breeding process, during regular feeding of feed, feeding of crushed pomacea canaliculata is carried out; and after the young crayfishes grow up and shell, catching the crayfishes to obtain the crayfishes with high body surface cleanliness. According to the method, the growth state of the aquatic plants is precisely controlled to construct a natural clean field domain, the functional bait is fed to increase nutrition, meanwhile, friction cleaning is carried out through the feeding behavior, precise fishing is carried out based on the molting period, and therefore the body surface cleanliness of the crayfishes bred in the rice field is improved.

The utility model relates to the field of agricultural mechanical equipment, in particular to a handheld seeder for small-particle leguminous forage grass. The utility model provides the handheld seeder for the small-particle leguminous forage grass, which can be used for conveniently adjusting and controlling the seeding spacing of forage grass seeds, improving the seeding efficiency and ensuring the seeding uniformity and consistency. A handheld seeder for small-particle leguminous forage grass comprises a support, a soil covering pressing wheel, a seeding rod and the like, the left side of the lower portion of the support is rotationally connected with the soil covering pressing wheel, and the lower portion of the support is rotationally and detachably connected with the seeding rod. When the support moves, the sowing plough turns over a planting field, meanwhile, the soil covering pressing wheel rolls, the sowing rod rotates, seeds are sown into the ploughed planting field, and the sowing distance can be controlled by changing the size of the belt roller. The effects of conveniently adjusting and controlling the sowing spacing of the forage grass seeds, improving the sowing efficiency and ensuring the sowing uniformity and consistency are achieved.

The invention belongs to the technical field of biology, and provides enterococcus faecalis, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.29087. The enterococcus faecalis is characterized in that the enterococcus faecalis can secrete bacteriocin for inhibiting vibrio parahaemolyticus, staphylococcus aureus and escherichia coli. The invention also provides the enterococcus faecalis and application thereof in an aquatic product fermented feed and a laying hen premix, and the enterococcus faecalis can effectively improve the utilization rate of the feed and the growth and production performance of animals.

The invention discloses a low-carbon freshwater fish feed added with fermented bamboo powder and application of the low-carbon freshwater fish feed, and belongs to the technical field of aquatic animal feeds. The low-carbon freshwater fish feed capable of reducing the fat rate of fish bodies and / or reducing nitrogen and phosphorus emission is prepared from the fermented bamboo powder, and the content of vitamins, enzymes and growth factors in the feed can be increased by adding the fermented bamboo powder, so that the freshwater fish bodies have good anti-pathogenic activity; the absorption and utilization of the freshwater fish on nutritional ingredients and fiber-rich ingredients in the feed are improved, so that the aim of reducing the emission of nitrogen and phosphorus is fulfilled; meanwhile, the fermented bamboo powder is used for partially replacing soybean meal in the freshwater fish feed, so that the dosage of feed raw materials such as the soybean meal is reduced, the intestinal health of the freshwater fish is improved, the muscle quality of the freshwater fish is improved, the earthy smell in muscles is reduced, the body type of the freshwater fish is also improved, and the fat content in abdominal muscles is reduced.

The invention discloses a natural grassland forage grass demand remote sensing prediction method and a remote sensing prediction device. The prediction method comprises the following steps: obtaining daily forage grass feed intake according to the existing above-ground biomass of the grassland and the potential above-ground biomass of the grassland; according to the daily forage grass feed intake, the grassland potential above-ground biomass in the future preset time period and the natural grassland reasonable utilization rate, a forage grass demand prediction result in the future preset time period is obtained. According to the remote sensing prediction method for the forage grass demand quantity of the natural grassland provided by the invention, the forage grass demand quantity of the natural grassland can be effectively predicted by accurately calculating the daily forage grass feed intake of the natural grassland and the total amount of edible forage grass in the future preset time period; by dynamically and scientifically evaluating the grassland forage grass demand quantity, reasonable utilization of forage grass resources can be ensured, grassland degradation caused by excessive grazing is avoided, and the grassland production potential is maximized at the same time.

The utility model discloses a turnover machine for a pasture planting disc, and belongs to the technical field of pasture production equipment. The grass disc turnover device comprises a mounting platform and a grass disc turnover device arranged on the mounting platform, wherein the grass disc turnover device comprises a clamping mechanism and a turnover mechanism; wherein the clamping mechanism comprises a frame and clamping pieces located on the frame, and the clamping pieces are arranged on the opposite sides of the frame in pairs and used for clamping and loosening the two sides of the planting plate; the turnover mechanism comprises a rotating shaft and a driving source for driving the rotating shaft; the clamping mechanism is connected with the rotating shaft and is driven by the rotating shaft to turn over. According to the turnover machine disclosed by the utility model, the clamping mechanism and the turnover mechanism are matched with each other, and a clamping and turnover action mode is adopted, so that the collision damage of the planting plate can be effectively reduced while the turnover blanking of the planting plate is realized; in addition, complete discharging of the forage grass is facilitated.

The invention discloses a small square bale double-bale-outlet picking and baling machine which comprises a machine frame, a conveying and feeding device, a driving device, a gear box, a compressing and cutting device, a baling chamber and a baling needle device, and the conveying and feeding device, the driving device, the gear box, the compressing and cutting device, the baling chamber and the baling needle device are arranged on the machine frame. A vertical moving cutter is further arranged in the middle of the rear end face of the compressing and cutting-off device, a vertical fixed cutter device and a bale separating plate located behind the vertical fixed cutter device are further arranged on the inner side of the bale pressing chamber, and when the compressing and cutting-off device is controlled to do reciprocating motion, the vertical moving cutter on the compressing and cutting-off device and the vertical fixed cutter device in the bale pressing chamber form a shearing effect. The device is used for horizontally and vertically cutting pasture or crop straw synchronously, and bundling and compressing the cut pasture or crop straw into square bundles. When forage grass or crop straw is harvested, the combined operation such as picking, conveying, feeding, compressing, bundle separating and bundling can be completed, two straw bundles can be output at a time, one large straw bundle can also be output, and the straw bundle density and the operation efficiency are improved.

The invention discloses a full-automatic pelletization coating system and method for small forage grass seeds, and particularly relates to the technical field of agricultural equipment.The full-automatic pelletization coating system comprises a rack, a controller, a pelletization coating device, a seed supply device, a powder supply device and a liquid supply device, and the pelletization coating device, the seed supply device, the powder supply device and the liquid supply device are in signal connection with the controller; both the seed supply device and the powder supply device are provided with vibration exciters capable of providing two vibration amplitudes, so that two blanking speeds, namely a fast blanking speed and a slow blanking speed, are realized, errors caused by materials in the air when a weighing hopper detects preset supply mass are reduced, and accurate supply of seeds and powder is achieved; the liquid supply device comprises a liquid medicine box, a clear water box, a proportional control three-way valve and a peristaltic pump, the liquid medicine box and the clear water box are connected with the peristaltic pump through the proportional control three-way valve, and the liquid medicine proportion can be accurately controlled by adjusting the opening degree of the proportional control three-way valve. According to the invention, the coating uniformity of small pasture seeds can be improved, the pelleting quality is enhanced, and the production efficiency is improved.

The invention discloses an application of Lactobacillus plantarum in at least one of the following items: a1, an application in improving the silage quality of silage, a2, an application in improving the silage quality, a3, an application in improving the silage quality, a4, an application in improving the silage quality, and a5, an application in improving the silage quality. A2, application in preparation of silage; a3, application in preparation of a silage additive; the strain name of the lactobacillus plantarum is LA2, the lactobacillus plantarum is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the lactobacillus plantarum is CGMCC No. 33484. According to the invention, the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof is added into the silage for the first time, and tetracycline resistance genes in the silage can be remarkably reduced; after the lactobacillus plantarum or the microbial inoculum thereof or the silage additive thereof disclosed by the invention is added, the generation and residue of tetracycline resistance genes in feed can be reduced, the propagation of the tetracycline resistance genes in a food chain is reduced, the safety of forage grass is ensured, and the damage to animals, environment and human bodies is reduced; and the drug resistance of human pathogenic bacteria is reduced while the health level of animals is improved.

The invention provides an aquaculture intelligent feeding and growth monitoring system based on the Internet of Things, and relates to the technical field of intelligent aquaculture, and the system comprises the following modules: a multi-mode sensing module, a data processing module, a central processing module, an intelligent feeding module, and a monitoring module. The aquatic product feeding monitoring module is used for accurately calculating the appropriate feeding amount by combining data of current water quality, the number of aquatic products and the growth stage, and analyzing aquatic product images collected by the camera device. An image recognition technology and a deep learning algorithm are used for recognizing aquatic product types, individual sizes and health conditions to carry out three-dimensional form modeling; according to the method, the scientificity and accuracy of breeding decision making are remarkably improved, and detailed and visual growth information is provided for the breeding decision making; and through cooperative work of the intelligent feeding module and the central processing module, accurate adjustment of the feeding amount is achieved, and the feed utilization rate is increased.

The invention relates to the technical field of breeding feed feeding, in particular to an intelligent feeding system and an intelligent control method. The intelligent feeding system comprises an aquaculture net cage module, a pneumatic feeding module, a bait conveying module and an intelligent control module. The culture net cage module comprises a culture net cage, and the shape of the culture net cage is a cube or a cuboid; the air-assisted feeding module comprises an air-assisted feeding machine; the air-assisted batch feeder is arranged above the culture net cage; the bait conveying module comprises a bait conveying pipe and a rotary controller; the bait conveying pipe and the rotary controller are arranged above the culture net cage; and the intelligent control module is used for measuring the wind direction and the water flow direction, and intelligently controlling the rotary controller through the measured wind direction and the measured water flow direction. According to the invention, the feeding efficiency and accuracy are improved, and the bait cost is saved.

The invention discloses a multi-nutrition-level ecological breeding system suitable for freshwater fish breeding, the ecological breeding system comprises a breeding variety combination level and an ecological niche complementary variety combination level, the multi-nutrition-level ecological breeding system has the beneficial effects that efficient utilization of resources and self-regulation of an ecological environment are realized by constructing a multi-species coordinated three-dimensional population structure; through the arrangement of the breeding variety combination level and the ecological niche complementary variety combination level, breeding objects of different nutrition levels are mutually supplemented and mutualistic, so that the productivity of the breeding system is improved, and the anti-risk capability of the system is also enhanced; the system integrates a plurality of functional modules, through application of technologies such as digital monitoring and remote control modules, real-time monitoring, abnormity early warning and remote control of the breeding environment are achieved, the water quality dynamic regulation and control module and the feeding planning module can precisely regulate and control water quality parameters and feeding plans according to growth requirements and environment changes of bred organisms, and the breeding efficiency is improved. And feed waste and water quality pollution are effectively reduced.

The invention belongs to the technical field of microorganisms, and particularly relates to rhizobium jangularis LN-ZDJ-1, a complex microbial inoculant containing the rhizobium jangularis LN-ZDJ-2 and application of the rhizobium jangularis LN-ZDJ-1 and the complex microbial inoculant. The rhizobium jangularis LN-ZDJ-1 is preserved in the China Center for Type Culture Collection on July 22, 2024, and the preservation number of the rhizobium jangularis LN-ZDJ-1 is CCTCC (China Center for Type Culture Collection) NO: M20241652; the bacillus amyloliquefaciens LN-ZDJ-2 is preserved in the China Center for Type Culture Collection on July 22, 2024, and the preservation number of the bacillus amyloliquefaciens LN-ZDJ-2 is CCTCC (China Center for Type Culture Collection): M 20241651; the compound microbial agent provided by the invention not only can remarkably improve the growth and yield of the Achyranthes bidentata, but also can improve the nutrient absorption capacity of plants, further promotes the healthy growth and resistance of the plants by secreting active substances such as auxin and siderophores, and is beneficial to improving the quality of pasture.