1072 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 relates to the technical field of biology, in particular to application of a biological product expressed by an EsPTI15 gene to regulation and control of tiller number. The nucleotide sequence of the EsPTI15 gene is shown as SEQ ID NO: 1, it is found for the first time that the tiller number of EsPTI15 gene overexpressed siberian wildrye is remarkably increased compared with wild siberian wildrye, and the result proves that overexpression of the EsPTI15 gene can positively regulate and control the plant tiller development process. The discovery not only enriches the molecular mechanism theory of plant tillering regulation, but also verifies that the EsPTI15 gene has the application potential of increasing the tillering number of the plant, and provides key theoretical support and gene resources for subsequent technical research and development of introducing the EsPTI15 gene through gene operation, increasing the tillering number of forage grass and further realizing biomass improvement.

The application provides a kind of aquaculture timed feed device, relating to feeding device technical field, including: basic component;The basic component includes mounting plate and buoyancy piece, lifting piece is slidably installed on support frame, the compression ratio of spring between lifting piece and support plate is changed by adjusting lifting piece, and then the trigger value of the weight of support plate can be adjusted, so that the interval of feeding time can be adjusted in time according to the growth of aquatic organisms, by setting plug-in cylinder and rotating disc on storage tank, rotating the rotating disc, the more feed can flow out from the storage tank, and the use of lifting piece can adjust the feeding amount of each feed according to the growth of aquatic organisms, solve the problem that the practicality of the timed feed device for aquaculture is poor, it is inconvenient to adjust the interval and feeding amount of each feeding according to the growth of aquatic organisms, and the problem of not feeding in time or feeding less easily occurs.

The invention discloses an environment-friendly closed-loop ecological culture method for colored pearls, which belongs to the technical field of aquaculture and comprises the following steps: S1, selecting and culturing high-quality pearl mussels to form high-quality pearl mussels; s2, cooperatively culturing high-quality pearl mussels, fishes, algae and microbial communities; s3, according to the color requirement of the high-quality pearl mussels, algae, plankton, vegetable protein and a microorganism culture solution are used for preparing feed, the high-quality pearl mussels are fed, and the color and glossiness of pearls are regulated and controlled; s4, collecting breeding data in real time, and adjusting collaborative breeding parameters; according to the color requirement of high-quality pearl mussels, the feed is prepared from algae, plankton, vegetable protein and a microorganism culture solution, the high-quality pearl mussels are fed, nacre layer components secreted by pearl sacs in mussel bodies are affected through natural pigment components in the feed, and therefore the color and glossiness of pearls are regulated and controlled. The active regulation and control of the pearl color and glossiness can be realized.

The invention belongs to the technical field of plant genetic engineering, and discloses application of an LcCBP60b-LcALY2 molecular module in regulation and control of growth and development and maturing rate of leymus chinensis. The invention discovers that the calmodulin binding protein coding gene LcCBP60b negatively regulates the growth and development and the maturing rate of the leymus chinensis for the first time, and a yeast double-impurity experiment discovers that the LcCBP60b interacts with the LcALY2 protein to regulate the related characters of the maturing rate of the leymus chinensis. The LcCBP60b negatively regulates the activity of the LcALY2 protein and inhibits the regulation effect of the LcALY2 coded THO protein complex 4B in the flowering and ear forming process of leymus chinensis. The LcCBP60b-LcALY2 molecular module verified by the invention provides a new perspective for deeply understanding a Leymus chinensis fruiting regulation mechanism, and provides a direct molecular target for directionally creating new varieties of high-fruiting-rate pasture and cereal crops.

The invention relates to marine fish breeding, and particularly discloses an indoor full-artificial breeding method for black epinephelus, which specifically comprises the key technical links of nutrient enrichment of parent fish, hormone induced spawning, artificial insemination and fertilized egg incubation, indoor breeding of fry, compound feed domestication and the like. By controlling water temperature, illumination, salinity and nutritional conditions, synchronous maturation and efficient ovulation of parent gonads of the epinephelus nigatosus are achieved, the fertilization rate reaches 95% or above, and the hatching rate exceeds 85%. According to the method, the whole-process artificial controllable breeding of the epinephelus nigatosus from the parent fish to the fry is realized, a new variety is provided for the epinephelus culture industry, and a feasible technical approach is also provided for the artificial breeding and improved variety breeding of the wild epinephelus nigatosus in the island reef of the South China Sea.

The invention relates to the technical field of aquaculture, in particular to a bionic young salamander breeding method, which remarkably improves the stress resistance of young salamanders on the premise of guaranteeing the survival rate through the synergistic effect of a dynamic environment simulation system, sectional bionic feed and staged environment challenge training. The dynamic environment simulation system regulates and controls multi-parameter dynamic change based on a fuzzy PID algorithm; the bionic feed adopts a segmented nutrition design and is combined with an intestinal targeted embedding technology; according to the environment challenge training, gradient gradual temperature fluctuation (+ / -0.5 DEG C to + / -1.5 DEG C), water flow disturbance (0.05 m / s to 0.15 m / s) and water quality fluctuation (turbidity is 5-15 NTU, pH is 6.8-7.2 oscillation) are matched with a nutrient enrichment and intelligent early warning system, and the stress resistance is directionally improved. A solution with ecological property and stress resistance is provided for large-scale breeding of the young salamanders.

The invention relates to the technical field of deep learning, in particular to a forage grass yield prediction model construction method based on deep learning, which comprises the steps of constructing a multi-source data fusion module, establishing a cold start mechanism, designing a multi-modal deep learning prediction network, integrating a physical constraint mechanism and constructing a management decision support system. A seasonal attribution analysis function is realized; in the prior art, a simple data superposition or static weighted fusion scheme is generally adopted, and inherent defects of deficiency, different scales and heterogeneity of multi-source data are difficult to process, so that the fusion feature quality is poor; according to the method, firstly, a data blank is accurately filled through an intelligent algorithm based on space-time continuity, then heterogeneous data is unified to a standard grid by using a multi-scale pyramid engine, and finally, deep fusion is performed through an attention mechanism for dynamically calculating importance of each data source; the integrity, the consistency and the information density of the input data are remarkably improved, and a solid and reliable data foundation is laid for subsequent accurate prediction.

This invention relates to the field of plant genetic engineering technology, and more particularly to... SsNHX1 and SsSOS2 Dual-gene plant expression vector and its application in improving salt tolerance in alfalfa. The plant expression vector uses pCAMBIA1300 as its backbone and inserts genes derived from Suaeda salsa. SsNHX1 Genes and SsSOS2 It is constructed from genes. SsNHX1 Genes and SsSOS2 The CDS coding sequence of the gene is shown in SEQ ID NO:1 and SEQ ID NO:2 of the sequence listing. Using Agrobacterium tumefaciens EHA105-mediated transformation, the vector was introduced into the leaves of sterile alfalfa seedlings. Positive transgenic plants were obtained through co-culture, callus induction differentiation, and PCR identification. The advantage lies in the synergistic effect of the two genes, which effectively enhances the salt tolerance of alfalfa, enabling it to grow normally under 200–300 mM NaCl stress, providing a new solution for forage cultivation in saline soils.

This invention relates to the field of plant genetic engineering technology, and more particularly to... SsNHX1 and SsSOS1 A dual-gene plant expression vector and its application in improving salt tolerance in alfalfa. The plant expression vector uses pCAMBIA3301 as its backbone and inserts genes derived from Suaeda salsa. SsNHX1 Genes and SsSOS1 It is constructed from genes. SsNHX1 Genes and SsSOS1 The nucleotide sequences of the gene are shown in SEQ ID NO:1 and SEQ ID NO:2. Using Agrobacterium tumefaciens EHA105-mediated transformation, the vector was introduced into the leaves of sterile alfalfa seedlings. Positive transgenic plants were obtained through co-culture, callus induction differentiation, and PCR identification. The advantages are: the synergistic effect of the two genes effectively enhances the salt tolerance of alfalfa, enabling it to grow normally under 200–300 mM NaCl stress, providing a new solution for forage cultivation in saline soils.

The invention discloses a grass and livestock balance monitoring method and device, electronic equipment and a storage medium, and relates to the technical field of grass and livestock balance monitoring or other related fields, and the method comprises the steps: carrying out the data collection of a target grassland region, obtaining multi-source monitoring data, carrying out the preprocessing of the multi-source monitoring data, and obtaining the grassland ecological information; inputting the grassland ecological information into the theoretical livestock capacity estimation model to obtain the theoretical livestock capacity of the target grassland area; the grassland ecological information is input into an actual livestock carrying capacity analysis model, and the actual livestock carrying capacity of the target grassland area is obtained; and inputting the theoretical livestock carrying capacity and the actual livestock carrying capacity into the grass and livestock balance evaluation model to obtain an evaluation result which at least comprises a grass and livestock balance monitoring index. The technical problem that the monitoring result is unreliable due to the fact that dynamic environment changes cannot be adapted to grass and livestock balance monitoring in the prior art and data limitation exists is solved.

The invention relates to the technical field of forage grass drying evaluation, and particularly discloses a forage grass drying evaluation method and system based on multi-modal fusion. According to the method, a quality file containing indexes such as the moisture content, the dry matter content and the dryness grade is established for each batch of forage grass, the feed intake, the feed intake behavior and the production performance data of cattle herds are synchronously collected in the feeding period, and a multi-modal association data set is established with batch identifiers and timestamps as association keys; and obtaining response results of the ingestion performance and the production performance corresponding to different drying characteristics by adopting correlation analysis, regression analysis and statistical significance test, and dynamically correcting the forage grass drying evaluation standard according to the response results of the ingestion performance and the production performance. According to the method, the forage grass drying characteristic data is associated with the cattle herd feed intake, the feed intake behavior and the production performance data according to batches and time, the multi-mode associated data set is constructed, and the direct corresponding relation between the forage grass drying state and the actual feed intake performance and the growth effect of the cattle herd is achieved.

The invention discloses a forage grass drought loss assessment method, and relates to the technical field of forage grass drought loss assessment, and the method comprises the following steps: S1, collecting forage grass basic data in a drought influence period, the data comprising meteorological data, growth data, quality detection data and field management data; s2, preprocessing the basic data to obtain standardized data; s3, constructing a two-dimensional loss evaluation model, wherein the model comprises a yield loss calculation sub-model and a quality loss calculation sub-model; s4, respectively inputting the standardized data into the two sub-models to obtain a forage grass yield loss rate and a quality loss coefficient; and S5, in combination with the yield loss rate and the quality loss coefficient, weight coupling is set according to the forage grass type to calculate the total loss rate, and evaluation is completed. According to the forage grass drought loss evaluation method, the quality loss is taken into evaluation, and the problem that the feeding cost is high due to neglect of the quality is avoided.

The invention discloses application of an SNP (Single Nucleotide Polymorphism) molecular marker related to the character of siniperca chuatsi in feeding artificial compound feed, and belongs to the field of biotechnology and aquatic animal genetic breeding. The SNP molecular marker is located at the 29390304 site from the 5'end on the 10 # chromosome of the siniperca chuatsi genome, is A or T, and is easy to domesticate when the genotype is AA; or the SNP molecular marker is located at the 1218488 site from the 5'end on the 20 # chromosome of the siniperca chuatsi genome, and is easy to domesticate when being the genotype of T or A or TT. The SNP molecular marker is closely related to the artificial compound feed intake capacity of the siniperca chuatsi, so that the feeding domestication potential of the siniperca chuatsi can be predicted in an early stage through the SNP molecular marker, or molecular marker-assisted breeding is performed through the SNP molecular marker, the proportion of individuals easy to domesticate in a group is increased, the breeding cost is remarkably reduced, and the breeding efficiency is improved. The economic benefit is improved.

The invention relates to the field of biological agriculture, in particular to application of a gene MtUMAMIT8 to regulation and control of growth, development and quality of forage grass. The biological function of the gene MtUMAMIT8 is identified for the first time, the MtUMAMIT8 gene is screened and locked through multi-omics analysis, the phenotype of a homozygous mutant NF8465 / NF12630 is analyzed, it is proved that the growth of medicago truncatula is hindered but the lignin content is reduced due to down-regulation of the gene MtUMAMIT8, it is clear that the gene MtUMAMIT8 positively regulates the growth and development of medicago truncatula plant height, the branch number, the leaf size and the like and negatively regulates lignin synthesis, and the gene MtUMAMIT8 can be used for identifying the lignin content of the medicago truncatula. And a new gene resource is provided for regulating and controlling the growth, development and quality of forage grass and breeding forage grass varieties with low lignin content.

The present disclosure provides an aquarium feed with slow-release function, and preparation method and uses thereof. Raw materials of the aquarium feed comprise granulated feeds with different particle sizes and slow-release binding agent; the granulated feeds with different particle sizes are bonded by the slow-release binding agent; the slow-release binding agent contains attractant and slow-release adhesive; and the slow-release adhesive is gel-like in water. The aquarium feed in the present disclosure can be slowly released into tiny particles with uneven size in water, allowing aquarium creatures with different body sizes or living in different water layers (comprising surface, middle and bottom layers) to find suitable food for themselves, thus improving the feed utilization rate and aquarium creatures' weight growth rate, and reducing difference of the body length.

The invention discloses a bacillus safensis strain and application thereof in aquaculture, and relates to the technical field of aquaculture disease prevention and control, the obtained bacillus safensis strain ZY-1 forms spores under a certain fermentation condition, can be prepared into powder for preservation, has a long shelf life, has the bacteriostatic activity retention rate of more than or equal to 85% after being stored in a dark place for 12 months at 4-25 DEG C, and has the antibacterial activity of more than or equal to 7.2%. The production, transportation and storage cost is saved, main bacteriostatic effect factors of the bacillus safensis ZY-1 strain exist in extracellular metabolites, the bacillus safensis ZY-1 strain is stable in performance and resistant to high temperature, acid and alkali, ultraviolet rays, protease and the like, and fermentation supernatant of the bacillus safensis ZY-1 strain can be directly applied or prepared into spray-dried powder and is suitable for various aquaculture application scenes such as pond splashing and feed mixing and feeding. The metabolite spray-dried powder has a remarkable killing effect on high-pathogenicity vibrios VpAHPND and VpTPD, the minimum inhibitory concentrations of metabolite spray-dried powder respectively reach 23.44-46.88 mu g / ml and 46.88-93.75 mu g / ml, and the metabolite spray-dried powder can be used for preventing and controlling prawn infectious hepatopancreas necrosis and prawn transparent larva diseases induced by the metabolite spray-dried powder and also has a certain killing function on pathogens of other aquatic animals.

The invention discloses a square bundle bundling machine capable of reducing forage grass picking loss rate, which comprises a picking device, a conveying device, a screening device, a vibration device, a pre-compression device, a feeding device, a compression device, a detection device, a driving device and a control device, the picking device comprises a picking device, a picking device wheel, a suction box, a picking device wheel arm and a hydraulic cylinder, the suction box is matched with the picking device for synchronous operation, scattered and short pasture and leaves which are not grabbed by the picking device are sucked in and conveyed to the screening device through the conveying device and then conveyed to the pre-compression device, the vibration device drives the screening device to vibrate, and the pre-compression device drives the picking device to vibrate. Impurities such as soil and broken stones in forage grass can be separated, the industrial camera detects the distance between the bottom of a traction beam of the square bundle bundling machine and the ground, the hydraulic cylinder is automatically driven to adjust the height of the pickup device, the ground is prevented from being scratched, it is guaranteed that the scattered and short forage grass and leaves are effectively grabbed, and the pickup loss rate is reduced.

The application discloses a mandarin fish domestication pool, which comprises a pool body, wherein an oxygenation device, a water inlet and a water outlet are arranged in the pool body, a bait fish breeding frame is arranged below the water inlet, and a feeding device is arranged on the side of the bait fish breeding frame; the feeding device comprises a feeding pipe, a bait temporary storage tank arranged on the upper end of the feeding pipe, a feeding hopper arranged on the upper end of the bait temporary storage tank, cathode ring pieces and anode ring pieces arranged in the feeding pipe, and a pulse generator and a pulse power amplifier connected through wires. The domestication pool is improved, so that live fish feeding, live fish and dead fish or feed proportionate feeding are facilitated, and switching and adjustment are facilitated, thereby improving the convenience and success rate of domestication.

This invention discloses a strain of *Neocallimastix* LGM-ZA9 and its application in the preparation of a coumarin-degrading feed additive. *Neocallimastix* LGM-ZA9 is classified as *Neocallimastix* sp., with accession number CGMCC No. 17592, and its optimal growth temperature is 39℃. The fermentation broth of *Neocallimastix* LGM-ZA9 can be used to degrade the anti-nutritional factor coumarin. The method is simple: the coumarin-containing material to be degraded is mixed with the fermentation broth, sterilized, and then the fermentation broth is added for anaerobic fermentation to degrade the coumarin. This preparation method is simple, highly operable, and can significantly reduce the coumarin content, providing a new method for feeding ruminants with sweet clover as a high-quality forage.

The invention discloses a river crab-snail breeding method based on space-time isolation and micro-flowing water circulation, and relates to the technical field of aquaculture, the key points of the technical scheme are that an isolation barrier is arranged in a river crab breeding pond, the river crab breeding pond is divided into a snail breeding area and a river crab main breeding area, and a water passing structure is arranged on the isolation barrier; a three-dimensional inhabiting base frame is arranged in the snail breeding area; generating directional water flow by utilizing oxygenation equipment to drive water in the main river crab breeding area to flow back after being filtered and purified by the snail breeding area; seed snails are put into the snail breeding area, and the snails grow and breed by feeding nutrient substances in the water body of the main river crab breeding area; collecting finished snails from the snail breeding area regularly and transferring the finished snails to the main river crab breeding area for feeding of the river crabs; in the river crab fattening period, the snail breeding area is opened, and the river crabs are allowed to freely eat the remaining snails. By means of the method, it can be guaranteed that snail populations rapidly breed to form a high-density biological filter bed, high-quality active protein bait can be provided for river crabs, and the win-win situation of water purification and feed cost reduction is achieved.

The utility model discloses a smashing device for fishery feed processing. The smashing device comprises a U-shaped support, a shell is fixedly connected to the U-shaped support, a feeding port is formed in the shell, a smashing assembly is arranged in the shell, and a discharging port used for outputting materials is formed in the shell. According to the feed crushing device, the shell and the crushing assembly are arranged and matched with each other, so that feed raw materials can be crushed, and crushed feed can be output outwards through the screens during crushing through the screen drum and the screens with different pore diameters arranged on the screen drum, so that the particle size of the crushed feed can be accurately controlled, and the crushing efficiency is improved. Through the cooperative arrangement of the circular track and the limiting assembly, the use state of the screen drum can be flexibly adjusted according to requirements, and different production requirements can be fully met by replacing and using the screens of different specifications, so that feed of different particle sizes is produced, the ingestion efficiency is improved, digestion and absorption are promoted, and the nutritional requirements of different fishes are met.

The application discloses a small animal multifunctional motion ecological system monitoring platform. An ecological detection device comprises a box body, a detection device arranged in the box body and adapted to detect activity parameters of a living being in different activity areas, the detection device being selectively movable relative to the box body to follow the living being and record corresponding areas of the living being activity, and a feeding device arranged in one of the activity areas, the feeding device being formed with a carrier for carrying feeding objects, and the feeding device being adapted to selectively feed the carrier with feed and / or water and acquire a change amount of the objects carried by the carrier. The application can realize interaction of multiple activity area data, follow the living being movement by the detection device to realize real-time monitoring of the living being activity parameters, feed the living being with the feeding objects by the feeding device, and obtain energy consumption required by the living being activity by acquiring the change amount of the feeding objects.

The application discloses a kind of based on biological floc regulation Pengze crucian high-efficiency breeding system and method, it is related to aquaculture system technical field;Including: water quality monitoring and regulation module, based on sensor array, real-time monitoring water temperature, basic physicochemical indexes such as pH, dissolved oxygen, conductivity, oxidation-reduction potential;Biological floc culture and regulation module, construct biological floc culture reactor.The present application is based on biological floc growth model and microbial community dynamic monitoring, can realize the fine cultivation and management of biological floc;According to the nutritional requirements and breeding environment conditions of Pengze crucian in different growth stages, accurately adjust biological floc culture parameters, directional cultivation is out of high-quality biological floc with moderate particle size, rich nutrition, rich in beneficial microorganisms;Biological floc in aquaculture water not only can be used as natural bait for Pengze crucian to feed, improve feed utilization rate, also can adsorb and degrade harmful substances in water, play the role of purifying water quality.

The invention relates to the field of pasturing livestock nutrition and feed resource development, and particularly discloses an application method of a digestion and emission reduction functional composite preparation for pasturing cattle in saline-alkali soil, and the application method comprises the following steps: S1, selecting Allium mongolicum and Stellera chamaejasme as raw materials, and screening an optimal mixing ratio through in vitro rumen fermentation; s2, preparing a granular composite preparation according to the optimal proportion; s3, supplementary feeding is conducted on the saline-alkali land grazing cattle according to the fixed dosage. The method solves the problems of low digestibility and high methane emission of saline-alkali soil grazing cattle due to ingestion of low-quality forage grass, and solves the technical gaps that Allium mongolicum and Stellera chamaejasme are wasted as traditional toxic weed resources, and single grass seeds are difficult to synergistically realize digestion promotion and methane emission reduction, improves the digestibility of saline-alkali soil grazing cattle and nitrogen utilization efficiency, and improves the economic benefit of the saline-alkali soil grazing cattle. Methane emission is synchronously reduced, toxic weeds are converted into functional indigenous grass, the feed source is expanded, the breeding cost is reduced, the technology adapts to the grazing scene, operation is easy and convenient, and large-scale application and popularization are easy.

This application relates to the field of feed additive technology, specifically disclosing a seaweed feed additive, its preparation method, and its application. The preparation method of the seaweed feed additive provided by this application includes the following steps: seaweed pretreatment, high-temperature fermentation, and functional fermentation; specifically, freshly harvested seaweed is washed sequentially with seawater and fresh water, then dehydrated to a moisture content of 75-85%; the seaweed is then cut into sections, crushed, and pulped, and auxiliary materials are added to obtain a mixed seaweed slurry; then, the mixed seaweed slurry is subjected to high-temperature fermentation at 65-80℃ using high-temperature compound bacteria; subsequently, the mixed slurry is subjected to functional fermentation at 25-35℃ using functional compound bacteria. The preparation method of the seaweed feed additive provided by this application has advantages such as low processing cost and simple operation, and the effective components of the obtained seaweed feed additive have a high utilization rate, which has a good promoting effect on animal growth.

The pasture raking and tedding equipment comprises a portal frame, a hydraulic oil tank is installed at the center of the top end of the portal frame, a pair of execution structures is installed at the left end and the right end of the portal frame, the execution structures are each provided with four pasture raking buffer protection structures, and the front side of the portal frame is connected with a suspension traction structure; the invention relates to the technical field of agricultural machinery, and has the beneficial effects that through a raking buffer protection structure, impact force generated instantly when raking elastic teeth make contact with the ground can be effectively absorbed, the deformation and damage risks of the elastic teeth are remarkably reduced, the service life of equipment is prolonged, and the working efficiency is improved. According to the grass raking device, the grass discharging assembly composed of the upper baffle and the side blocking grass discharging plate is arranged on the grass raking supporting frame, flying dust generated during operation can be effectively shielded and prevented from being diffused, meanwhile, the side blocking grass discharging plate can guide forage grass to be collected in a centralized mode, the forage grass is prevented from flying around or being wound and knotted in the device, and the quality and smoothness of grass raking operation are improved.

The utility model belongs to the technical field of fish breeding equipment, and particularly discloses a feeding boat for fish breeding, which comprises a boat body, a feed bin fixedly connected to the top of the boat body, a stirring motor fixedly connected to the side face of the feed bin, and a rotating shaft of the stirring motor penetrating through the side wall of the feed bin and fixedly connected with a stirrer. An inward groove is formed in the middle rear side of the bottom of the hull, a moving motor is fixedly connected to the interior of the front side of the bottom of the hull, a rotating shaft of the moving motor penetrates through the hull and is fixedly connected with a propeller, the bottom of the feed bin communicates with an auger conveyor through a connecting strip hole, and the tail end of the auger conveyor is connected with a distributing nozzle; the front end of the ship body is further fixedly connected with a positioning receiver and a wireless signal transceiver. The propeller is arranged on the front portion of the ship body, the material distributing nozzle is arranged on the tail portion of the ship body, when feed is thrown, the propeller passes through the throwing position, the risk that fish is scratched is obviously reduced, the feed bin is transversely arranged, and the gravity center of the ship is lowered.

The invention relates to the technical field of ecological management and livestock grazing, in particular to a method for improving grassland productivity stability based on multi-animal-species sequential differentiation grazing in different growth stages of plants and application of the method. The multi-animal-species time sequence differentiation grazing method based on different growth stages of plants comprises the following steps: (1) selecting low-ingestion-selectivity livestock for grazing from a pasture elongation stage to seed maturation; and (2) from the mature period to the withered and yellow period of the forage grass seeds, selecting high-ingestion-selectivity livestock for grazing. According to the grazing method, the spatial environment difference and the species response difference of the grassland can be enhanced, so that the functional asynchronism and the ecological diffusion capability of plant communities are improved, and a basis is provided for sustainable development of ecological animal husbandry.