69results about How to "Improve the breeding environment" patented technology

The present invention discloses an underwater cleaning robot and a method for using the robot. The robot comprises: a travel mechanism disposed at the bottom for carrying and transporting, the travel mechanism is connected to a control system disposed inside the robot, the control system is connected to a wireless receiving device, the robot is provided with a filter chamber, the filter chamber upstream is connected to a sewage suction port disposed at the front bottom of the robot, a filter sheet is disposed in the filter chamber, a transparent window for manually cleaning dirt residues is provided at a position corresponding to the top of the filter sheet and covering the top of the filter chamber, a self-priming water pump is connected to the downstream of the filter sheet, the outlet of the self-priming water pump is connected to a negative pressure outlet disposed at the rear upper part of the robot, and a video monitoring lens connected to the control system is provided at the rear tail of the robot. The robot of the present invention can achieve real-time cleaning of the substrate of an aquaculture pond in a mechanically automated manner, ensure the quality of aquaculture water, improve the aquaculture environment and growth efficiency of aquatic products, and also improve the production efficiency of aquaculture and its economic benefits.

The invention relates to a shrimp feeding behavior prediction and automatic feeding method based on machine vision, which comprises the following steps: S1, identifying and analyzing the behaviors of shrimps: identifying the dynamic and overall behaviors of the steps of the shrimps through feature labeling and model training of the steps of the shrimps, and judging the resting, swimming and foraging behavior states of the shrimps; s2, identifying and analyzing the behavior state of the shrimps through the body labeling features, and combining with identification of residual feed in water to adjust a feeding strategy, reduce waste and reduce water treatment load; s3, the computing power center obtains real-time image frames of the underwater high-definition camera, after computing power analysis is applied, signals are sent to the feeder control center, feedback information is received, and signal linkage is achieved; and S4, video real-time monitoring and breeding data real-time display. According to the method, the training model for accurately identifying the prawn foraging behavior can be realized, the method can adapt to the complex and changeable underwater environment of the circulating water culture pond, the technical robustness is high, accurate identification can be realized, and the intelligent degree is high.

The invention discloses a device and a method for automatically measuring individual egg laying performance of family small-group caged geese, and the device comprises an egg laying detection device, a code spraying area device, a weighing area device, a combined goose cage, an egg detection module matched with the combined goose cage, a code spraying module, an information storage module, an information analysis module and a corresponding detection algorithm. Egg laying detection, egg laying performance detection, egg laying collection and other related work are carried out through a region division algorithm, a target persistence counting algorithm, an egg goose matching algorithm and an event triggering algorithm, the problems that resource space is wasted, independent cage culture facilities are high in cost and management cost are effectively solved, and the automation degree is greatly improved.

The invention relates to the field of image detection, in particular to a multi-dimensional data shrimp group health automatic evaluation method, which comprises the following steps of: arranging a main monitor and an auxiliary monitoring cluster above a shrimp group to be monitored, shooting the shrimp group to be monitored, forming a corresponding health evaluation image, numbering according to a shooting time sequence, and pre-learning to obtain a health evaluation result. The health learning model learns the main assessment pre-data, generates a bubble number change diagram, compares the bubble number change diagram with a number threshold value, generates a corresponding health assessment result according to a comparison result, and learns the auxiliary assessment pre-data to generate an auxiliary judgment diagram when the health assessment result is unqualified; and performing weighted average calculation on the bubble number change diagram and the auxiliary judgment diagram according to a preset proportion, comparing an evaluation average value with a number threshold value, generating a final health evaluation result, and automatically evaluating the health condition of the shrimp group by utilizing machine learning, thereby improving the evaluation efficiency and accuracy.

The invention discloses a deepwater net cage fish feeding control method and system, and the method comprises the steps: generating a cultured fish detail list in a target deepwater region according to the fish information, and carrying out the multi-round spiced salt denoising processing of the obtained image data of the target deepwater culture region, inputting the underwater light data into the water body thermal stratification model to obtain each deepwater hierarchy and short wave radiation data corresponding to each deepwater hierarchy; and analyzing and identifying the image data through an AI graph identification algorithm to obtain fish growth data, constructing a feeding amount control model according to a cultured fish detail list, the fish growth data and the short-wave radiation data, and generating a culture visualization report to realize feeding control of fishes in the target deepwater culture area. Fish growth and health are analyzed through image data, a feeding control model is constructed and optimized according to data such as the ammonia nitrogen content, the dissolved oxygen content and short wave radiation, feeding amount control is optimized, the fish growth speed is increased, the fish growth quality is improved, and long-term sustainable breeding is achieved.

The invention discloses a method and a device for estimating residual feed in a feed trough of a stacked caged laying hen house. The method comprises the following steps: building a residual feed data acquisition system, and acquiring videos of chicken coop troughs at different heights in a stacked caged chicken coop through the residual feed data acquisition system; constructing a trough remnant feed prediction model, training the trough remnant feed prediction model by using each frame of coop trough picture, and obtaining a trained trough remnant feed prediction model after training is finished; inputting the hencoop trough video into the trained trough residual feed prediction model, and obtaining the position of each cage column and the position of a residual feed area; and according to the cage column position and the residual feed area position output by the feed trough residual feed prediction model, obtaining the residual feed proportion of each feed trough in the chicken coop feed trough picture. Through the automatic residual feed data acquisition system and the deep learning model, accurate estimation of the residual feed amount of the feed trough of the laying hen house is realized, the precision and efficiency of feed management are greatly improved, and personal errors and labor intensity are reduced.

The present invention discloses an automatic determination device and method for the egg-laying performance of individual geese in a small group of family cages. The device comprises an egg-laying detection device, a coding area device, a weighing area device, and a combined goose cage. Through the matched egg detection module, coding module, information storage module, information analysis module and corresponding mark detection algorithm, area division algorithm, target continuous counting algorithm, egg goose matching algorithm, event triggering algorithm, egg-laying detection, egg-laying performance detection, egg-laying collection and other related tasks are performed, which effectively solves the problems of waste of resource space, high cost of separate cage breeding facilities and management, and improves the degree of automation.

The invention relates to a microbial water body substrate modifier and application thereof. The microbial water body substrate modifier comprises the following components: compound microbial powder, zeolite powder, shell powder and polyferric sulfate, the compound microbial powder comprises bacillus powder and lactic acid bacteria powder. The microbial water substrate modifier can effectively realize rapid bottom modification of aquaculture water, improve water quality, optimize aquaculture environment, reduce diseases and promote healthy growth of aquaculture animals. Wherein the bacillus can flocculate and settle residual organic matters such as feed, animal waste and the like in the culture water body by utilizing the flocculation effect of the bacillus, and the physical adsorption components, namely the zeolite powder and the shell powder, and the chemical adsorption component, namely the polyferric sulfate are synergistically matched, so that suspended organic matter large particles in the water body are effectively adsorbed and settled; and the organic matters are jointly degraded through the common graded degradation effect of the bacillus and the lactic acid bacteria, so that the effects of improving the substrate of the aquaculture water body and promoting the healthy growth of the aquaculture animals are achieved.

The invention relates to the technical field of livestock breeding, and particularly discloses an adjustable excrement utilization type cattle breeding integrated colony house structure which comprises an excrement leakage plate. An adjusting mechanism is mounted at the bottom end of the manure leaking plate, mounting mechanisms are mounted at the four corners of the top end of the manure leaking plate, long fences are jointly mounted between the opposite faces of the two mounting mechanisms on the left side and the two mounting mechanisms on the right side, and manure cleaning mechanisms are mounted on the upper portions of the opposite faces of the two long fences; the adjusting mechanism comprises a bearing steel frame, an adjusting column, a supporting base, an avoiding groove and a reinforcing rod. The driver drives the adjusting screw rod to rotate, the lifting rod pushes the bearing steel frame to move upwards, the height of the breeding house can be adjusted according to the stacking height of cow dung, it is guaranteed that enough space is reserved below the breeding house for stacking dung, and the design solves the problem that secondary land use is difficult due to the fact that dung treatment occupies space; and the cost caused by excrement treatment of a farm can be reduced, so that the expansion and development of the breeding industry are facilitated.

The present invention discloses a microorganism dust-free culture device, which comprises: an outer box body, the periphery of the bottom end of the outer box body is connected with the ground through columns; the mixing adjusting mechanism comprises a motor arranged in the center of the top of the outer box body, an output shaft of the motor penetrates through the outer box body and extends to a rotating shaft in the inner box body, a stirring rod matched with the rotating shaft is installed on the outer wall of the rotating shaft, and the output shaft of the motor is in transmission connection with a rotating wheel through a first conveying belt; and one end of the rotating wheel is in transmission connection with a first movable shaft fixed on the first rotating teeth through a second conveying belt. The technical problems that a workbench and equipment need to be cleaned regularly in the microorganism culture process, however, the regular cleaning operation is inconvenient, the working efficiency is reduced, and meanwhile normal culture work is affected if nutrient substances are not in uniform and effective contact with microorganisms in the culture process are solved.

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 utility model discloses a novel biological fermentation bed for a farm, which belongs to the technical field of animal breeding and comprises a bed body, support legs are fixedly mounted at four corners of the bottom of the bed body, a plurality of air holes are formed in the bottom of the bed body, a screen plate is mounted in the bed body, and support mechanisms are arranged at four corners of the screen plate. The supporting mechanisms are divided into longitudinal supporting mechanisms and transverse supporting mechanisms according to the installation form, the two longitudinal supporting mechanisms are located at the end, extending out of the discharging port, of the screen plate, and the two transverse supporting mechanisms are located at the end, away from the discharging port, of the screen plate and support the screen plate, so that a gap exists between the screen plate and the inner wall of the bottom of the bed body. The supporting mechanism is arranged at the bottom of the net plate, a certain gap can be reserved between the net plate and the bed body, ventilation is facilitated, the supporting mechanism can be adjusted to be in two different forms, the net plate can be conveniently mounted and dismounted, and the use and maintenance convenience of the net plate is improved.

The utility model belongs to the field of livestock and poultry breeding technology, especially a kind of foul gas purification equipment for livestock and poultry manure treatment. Solve the problem that the single process treatment effect is not good due to the fast odor flow rate in the existing treatment process, realize efficient treatment of foul gas, achieve standard discharge, equipment structure is simple, and the operating cost is low. Two independent closed upper box, lower box are equipped in purification box, operation window is sequentially arranged in upper box, and back is respectively provided with operation window, left purification body section is communicated with air inlet, right purification body section is communicated with air outlet;It can deal with the complex component foul gas generated by livestock and poultry manure fermentation, overcome the problem that single process cannot be fully treated, ensure that foul gas treatment is more thorough. Give consideration to efficient treatment and economic practicality, applicable to the popularization and application of various farms, to improve breeding environment, promote the green development of animal husbandry has important significance.

The application discloses a kind of fermented feed fermented by three strains of probiotics of Bacillus YA ( Bacillus sp ), yeast Y ( Saccharomyces cerevisiae ) and capsular red bacteria R3 ( Rhodobacter capsulatus ), and preparation method and application in aquaculture thereof, and viable count is not less than 1×10 7 CFU / g.The fermented feed is replaced ordinary feed according to certain proportion, and feeding result shows that aquaculture water quality is significantly improved after adding fermented feed, and fish growth performance, digestive enzyme activity, immunity, and muscle quality are also obviously improved.Using the feed in suitable range can shorten growth cycle, reduce cost, improve aquaculture environment, reduce antibiotic use, and improve muscle quality of farmed animals, with good economic and ecological benefits, simple fermentation process, low cost, and suitable for industrial large-scale production.

The invention relates to the technical field of functional microorganism screening and application, and particularly provides a microecological preparation containing bacillus pumilus and application of the microecological preparation in aquaculture. The microecological preparation can significantly promote the growth of aquatic animals, improve the feed utilization rate, enhance the oxidation resistance and organism immunity of the aquatic animals, reduce the occurrence of diseases, reduce tissue loss, significantly improve the apparent digestibility of the aquatic animals, reduce environmental pollution caused by nitrogen and phosphorus emissions, and improve the economic benefits of the aquatic animals. The method can be widely applied to the fields of aquatic feed production.

The invention provides a channel catfish activeness testing system and method, and belongs to the technical field of aquaculture. Comprising a monitoring unit, a data processing unit, a control and display unit and a data storage and transmission unit, the data processing unit comprehensively processes data monitored by the monitoring unit, and the control and display unit controls and displays the monitoring unit and the data processing unit. And the data storage and transmission unit is used for storing data or analysis results of the monitoring unit and the data processing unit and transmitting the data or analysis results to a management platform or a mobile terminal. According to the method, data are collected through various sensors, the subjectivity and limitation of traditional manual observation are overcome, the activeness of channel catfish can be evaluated more accurately, and a reliable basis is provided for evaluating the health condition and the growth environment of fish.

The utility model relates to the technical field of aquaculture equipment, in particular to a multi-angle adjusting aquaculture oxygen generator which comprises a fixing frame and a fastening plate, a rotating motor is fixedly installed at the lower end of the fixing plate, a driving wheel is fixedly installed at the output end of the rotating motor, and a connecting plate is fixedly connected to the right portion of the upper end of a mounting plate. A driven wheel is movably installed on the left portion of the lower end of the connecting plate through a bearing, the outer surface of the driving wheel and the outer surface of the driven wheel are jointly in transmission connection with a transmission belt, a movable rod is fixedly connected to the lower end of the driven wheel, and an oxygen generator body is fixedly installed at the lower end of a flange plate. According to the multi-angle adjustable aquaculture oxygen generator, by arranging a transmission structure composed of the rotating motor, the driving wheel, the driven wheel and the transmission belt, multi-angle flexible adjustment of the oxygen generator body can be achieved, oxygen can be accurately conveyed to a specific area according to different aquaculture scenes and requirements, the oxygen utilization efficiency is improved, and the oxygen generator is suitable for being used for aquaculture. The breeding environment is improved.

The invention relates to a construction method of a comprehensive rice and soft-shelled turtle planting and breeding system and the comprehensive rice and soft-shelled turtle planting and breeding system. Land which is fertile in soil, good in water retention effect, sufficient in water source, flat in terrain, quiet in environment, wide in area and capable of building a breeding plant area is selected; a selected culture area is planned, each culture pond is 10 mu of land, 50-60 cm of the land is dug downwards to form culture pits after the land is divided, and a culture pond frame is built through stainless steel. When the rice and soft-shelled turtle comprehensive planting and breeding system is constructed, the rice planting area and the soft-shelled turtle breeding area are separated, the rice planting area is closed in the harvesting period, water in the rice planting area is discharged, water in the soft-shelled turtle breeding area is gradually discharged, soft-shelled turtles can enter surrounding ditches and pits along with water flow, and the root systems of rice cannot be affected when the soft-shelled turtles move in the breeding area; rice and soft-shelled turtles can be harvested conveniently, and normal growth of the rice cannot be affected.

The invention relates to an air purification device for a pet box. The air purification device comprises an air inlet assembly, a purification mechanism and a mounting mechanism, in the actual pet feeding process, when air in a common pet box needs to be purified, the air guide pipe and the air inlet assembly can be installed in the pet box through the installation mechanism, then the draught fan is operated, and the draught fan sucks the air in the pet box into the upper portion of the air guide pipe through the air inlet assembly; then the air is subjected to multi-stage filtration through the multi-stage air treatment assembly, the air is subjected to secondary purification through the electronic filter screen, meanwhile, the air outside the pet box flows into the pet box, and meanwhile, the purified air in the pet box is discharged out of the pet box, so that the air in the box body and the air around the box body can be purified; the feeding environment of the pet in the pet box is improved, the situation that the pet stays in the pet box for a long time and consequently the state of the pet is poor is avoided, the probability that the pet and family members get sick is reduced, and an air purification device is conveniently additionally arranged on a traditional pet box.

The invention relates to the technical field of hermetia illucens breeding, and provides a hermetia illucens breeding system which comprises a frame body. The multiple breeding frames are arranged on the frame body in a circulating conveying mode and are kept horizontal in the conveying process, each breeding frame is provided with a breeding space, an opening is formed in the upper portion of each breeding space, and an air blowing space is further formed in the bottom of each breeding frame; the air blowing columns are arranged in the breeding space, each air blowing column is provided with a plurality of air blowing openings, and the air blowing space is communicated with the air blowing space and leads to the interior of the breeding space. According to the technical scheme, the technical problem that in the prior art, in the hermetia illucens breeding process, a culture medium is thick, and screening is difficult is solved.

The self-cleaning constant-temperature pet box comprises a box body, a purification and disinfection mechanism and a temperature adjusting assembly, a mounting opening is formed in the top of the box body, the purification and disinfection mechanism is connected with the mounting opening, and the temperature adjusting assembly is arranged in the box body; in the actual pet feeding process, the door can be opened, a pet is put into the box body through the inlet and outlet to be fed, when air in the box body needs to be purified and disinfected, the draught fan can be operated, the draught fan sucks the air in the box body into the air guide pipe through the air inlet arm, and therefore the air in the box body can be purified and disinfected. The multi-stage air treatment assembly is used for carrying out multi-stage treatment on the air, then the electronic filter screen and the disinfection part are used for carrying out secondary purification and disinfection on the air, and meanwhile the temperature in the box body is adjusted through the temperature adjusting assembly, so that the air in the box body can be disinfected and purified, and the feeding environment of pets in the pet box is improved; the condition that the pet stays in the pet box for a long time and is in a poor state is avoided, and the probability that the pet and family members get sick is reduced.

The invention discloses a factory-based fishery classification breeding box, which relates to the field of fishery breeding equipment and solves the problems of single structure, low mixed breeding efficiency and serious space waste in existing factory-based fishery classification breeding boxes. The invention comprises a base, a partitioning mechanism, a rotating mechanism and a cleaning mechanism. A fixed cylinder is fixedly connected to the base, and rotating disks are rotatably connected to both ends of the fixed cylinder. The partitioning mechanism comprises a partitioning net and a fitting rod, and the cleaning mechanism comprises a cleaning plate. The factory-based fishery classification breeding box is convenient for partitioning and adjusting the area in the fixed cylinder by adjusting the position of the partitioning net and the fitting rod, and the inclination angle of the partitioning net is changed by driving the rotating disk and the partitioning net to rotate, thereby improving the fishery breeding efficiency and enriching the breeding areas of different aquatic products. When the partitioning mechanism drives the fitting rod to move, the stains on the inner wall of the fixed cylinder are scraped onto the fitting rod, and the cleaning plate is synchronously driven to scrape impurities on the surface of the fitting rod.

The utility model discloses a pig farm feeding trough which comprises a trough device, an anti-spill device and a recovery device, the trough device comprises a feeding trough and a water storage trough, the feeding trough is arranged at the bottom of the feeding trough, and the feeding trough and the water storage trough are both communicated with the feeding trough; the anti-spilling device comprises a baffle connected to one side of the feeding trough in a sliding mode, and an adjusting mechanism used for adjusting the height of the baffle is arranged on the feeding trough. The feeding trough has the advantages that under the action of the adjusting mechanism, the height of the baffle is adjusted, on the premise that feeding of pigs is not affected, the possibility that the feed in the feeding trough is splashed out is reduced, and the feeding trough is convenient to use. And when the feed in the feeding trough is splashed out, the recycling device recycles the splashed feed, so that the breeding environment is purified, and the breeding quality is improved.

The invention relates to the technical field of sow obstetric tables, and discloses a pregnant sow obstetric table fixing device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a storage mechanism, the storage mechanism is connected with a state adjusting assembly, one end of the storage mechanism is provided with a feeding trough, and the other end of the storage mechanism is provided with a protective guard of a U-shaped structure. Heat preservation assemblies fixedly connected with the bottom plate are arranged on the two sides of the storage mechanism correspondingly, partition plates connected with the storage mechanism are installed at the two ends of the sides, close to the storage mechanism, of the heat preservation assemblies correspondingly, and a closing door is arranged on the side, close to the protective fence, of the storage mechanism. The system facilitates regular feeding management operation of sows, achieves accurate control of sow feeding, improves biological habits in the sow breeding process, and improves the quality of the sows; the breeding environment is improved, and the piglet morbidity is reduced; the piglets are subjected to heat preservation protection from the bottom and the top, rest and growth of the piglets are facilitated, and the breeding benefits of the piglets are improved; and the insulation box can be conveniently isolated, cleaned and trimmed.

The invention discloses an environment-friendly hermetia illucens breeding feed and a preparation method thereof, and mainly relates to the technical field of invertebrate breeding. Compared with the prior art, the environment-friendly hermetia illucens breeding feed can improve the high protein content of hermetia illucens bodies and reduce breeding stink at the same time, conversion and absorption of nutrient substances in the feed are jointly promoted by using rotten vegetable and fruit raw materials, saccharomyces cerevisiae, corn flour, wheat bran, peanut bran and composite strains, generation of beneficial metabolites is increased, and the breeding efficiency of hermetia illucens is improved. The deodorant composed of citrus flavone, moringa oleifera leaf protein and sodium alginate can effectively adsorb and inhibit the emission of malodorous gases such as ammonia gas, and improve the breeding environment.

This utility model discloses a farrowing cage for pig farming, specifically relating to the field of pig farming. It includes a mounting base, on one side of which multiple connecting blocks are symmetrically fixedly mounted. The farrowing cage is fixedly mounted between these connecting blocks. Two fixing blocks are symmetrically fixedly mounted on the upper surface of the mounting base, and a driving device is provided between the two fixing blocks. A mounting plate is fixedly mounted on the output end of the driving device. Water collection tanks are fixedly mounted on both sides of the mounting plate, and multiple nozzles are fixedly connected to the bottom of each water collection tank. This utility model, by setting up a driving device, motor, scraping device, and nozzles, achieves a "scraping and flushing combined" cleaning process by having the scraping device, water collection tanks, and nozzles reciprocate through the driving device. This eliminates the need for frequent manual cleaning, reduces labor intensity, and simultaneously reduces bacterial growth caused by fecal residue, effectively improving the farming environment.

The utility model relates to an excrement and urine separation type sheep house, and belongs to the technical field of livestock breeding. According to the utility model, the mesh excrement leakage plate is arranged in the breeding house, the mesh excrement and urine separation plate is obliquely arranged in the excrement and urine separation chamber under the mesh excrement leakage plate, and the excrement storage pool and the urine storage pool are arranged on the outer side of the breeding house, so that goat excrement and urine are leaked to the mesh excrement and urine separation plate through the mesh excrement leakage plate to be separated; separated manure and urine flow into the corresponding manure storage pool and the corresponding urine storage pool through the manure discharge port and the urine discharge port to be stored, the manure and the urine can be discharged out of the breeding house in time, pollution caused by accumulation of the manure and the urine in the breeding house is avoided, the good environment in the breeding house is guaranteed, the manure residues attached to the mesh manure and urine separation plate are scraped away through the manure scraping assembly, and the environment is protected. The goat breeding environment is further improved, healthy growth of goats is facilitated, the workload of workers is reduced, operation is easy and convenient, and time and labor are saved.

The invention discloses an aquaculture tail water treatment device and belongs to the technical field of tail water treatment, the bottom of a culture pond is conical and provided with an adjusting hole penetrating through the bottom, an in-pond sewage suction pipe is close to the bottom and extends upwards, and the side face of the in-pond sewage suction pipe is connected with a sewage discharge pipe. A conical adjusting block and a lifting device are arranged between the adjusting hole and the sewage suction pipe, the distance between the adjusting hole and the sewage suction pipe can be adjusted, the suction force of the sewage suction pipe is changed according to the Bernoulli principle, layered cleaning is achieved, a water outlet of the sewage discharge pipe is communicated with the primary sedimentation tank through a flow guide pipe inclining downwards, a water disturbing impeller is arranged at the water outlet, water flow rotates in one direction, and sewage accumulation is avoided. A biological filter dam is arranged in the middle of the primary sedimentation tank, and a filter cavity is formed in the dam, so that dirt can be isolated, water is purified, water quality is improved, and the water is more suitable for survival or cyclic utilization of cultured organisms. The device is reasonable in overall structure and capable of effectively treating aquaculture tail water and maintaining a good aquaculture environment.

The application discloses a gradient flow speed runway type breeding system and method, and relates to the technical field of aquaculture. The breeding system comprises a breeding pond, and a breeding area is arranged in the breeding pond. Parent fish are put into the breeding area, and water flow is introduced into the breeding area. The breeding area comprises at least two breeding sections which are perpendicular to the water flow direction and have different width sizes along the water flow direction. The water flow speeds of the breeding sections with different width sizes are different. The gradient flow speed runway type breeding system and method provided by the application are beneficial to providing an excellent breeding environment for the parent fish, promoting synchronous development of gonads, and improving natural spawning behavior.

The invention discloses a broiler feeding bin capable of adjusting the ammonia concentration, and relates to the technical field of livestock breeding. The device comprises a feeding bin, an ammonia gas detector is fixedly installed in the feeding bin and electrically connected with an exhaust fan, the air inlet end of the exhaust fan fixedly communicates with an air inlet pipe, one end of the air inlet pipe communicates with the air inlet pipe, an air outlet pipe is fixed to the air outlet end of the exhaust fan, and one end of the air outlet pipe communicates with a filter box; a connecting pipe communicates with the interior of the filter box, and a dustproof net and an activated carbon filter screen are slidably connected into the filter box. The concentration of ammonia gas in the feeding bin is monitored in real time through the ammonia gas detector, when the concentration of the ammonia gas is too high, the exhaust fan is automatically started to exhaust the ammonia gas, and the ammonia gas is purified through the dustproof net and the activated carbon filter screen, so that the adverse effect on broiler chickens caused by too high ammonia gas is effectively avoided, the feeding environment is optimized, and the feeding efficiency is improved. The survival rate and the health level of the broiler chickens are improved.