61results about How to "Save breeding space" patented technology

The invention relates to an indoor cement pond culture technique of Yangtze River Coilia ectenes, belonging to the field of Coilia ectenes culture. The indoor cement pond culture technique of the Yangtze River Coilia ectenes comprises the steps of fingerling acquisition and transportation, temporary culture and domestication, indoor culture and overwintering culture. The indoor cement pond culture technique of the Yangtze River Coilia ectenes is characterized in that juvenile fish with body length being 8-12cm is acquired in September to October and is put in an indoor cement pond for temporary culture; after the juvenile fish is domesticated for 2-4 weeks, the juvenile fish is transferred into an indoor small cement pond for culture; when the juvenile fish is cultured to November to December of each year and the water temperature is below 15DEG C, the Coilia ectenes is transferred for the overwintering culture, the overwintering culture of the Coilia ectenes is conducted at room temperature and the water temperature is kept above 8DEG C to keep the juvenile fish to intake food; during overwintering, live seawater copepods are used as fish feed, and if the live fish feed is not enough, the live fish feed can be replaced by frozen opossum shrimps or slow-sinking compound feed; and after the spring of the next year begins, the juvenile fish is cultured according to the indoor culture method.

The invention provides a method for cultivating scatophagus argus in an indoor cement pool, and relates to scatophagus argus cultivation. The method comprises the steps of yearling cultivation, overwintering cultivation and adult fish cultivation, and is characterized in that juvenile fish is firstly placed in a cement pool net cage in a vinyl house for temporary rearing after transported to the destination, the adapted juvenile fish is placed in a cement pool for domestication cultivation, cultivation water adopts natural seawater in river mouth district, the salinity is 8-15, the cultivation water is filtered by 200-mesh bolting silk after secondary precipitation, the cultivation is performed until November to December, the water temperature is lower than 12 DEG C, scatophagus argus is transferred to the indoor cement pool for overwintering cultivation, seawater buoyancy No. 2 grains are fed by two times every day according to 1%-3% of fish weight during the overwintering cultivation, and the water temperature during the overwintering cultivation is kept higher than 12 DEG C; and the water temperature in the spring of next year is increased to be higher than 15 DEG C, yearlings are transferred to the cement pool in the vinyl house from the indoor cement pool for adult fish cultivation, the body length of adult fish is up to 8-10 cm, pool separation is performed, and fresh enteromorpha or filamentous algae are fed during daily management period.

The invention discloses an intelligent litter-cleaning rail-type silkworm breeding device convenient to feed and relates to the technical field of silkworm breeding devices. The device comprises a shed body, a shed cover, a silkworm rack, an auxiliary rack and a pull rod; a first sliding rail and a second sliding rail which are matched with each other and correspond to each other in the position are arranged on a baseplate which is of a U-shaped structure and is arranged on the shed body; the shed cover, a heat preservation pad and a sunshade net are fixed to the opening end of the U-shaped structure of the shed body; a carbon dioxide sensor, a temperature and humidity sensor, an automatic controller, a temperature and humidity adjustment pipe and a ventilation pipe are arranged in the shed body; the silkworm rack is arranged on the first sliding rail, and a silkworm bed and a litter disk are arranged on the silkworm rack; the auxiliary rack is arranged on a second sliding rail. According to the intelligent litter-cleaning rail-type silkworm breeding device, a combined structure of the portable silkworm rack and the auxiliary rack, the temperature and humidity sensor and the automatic controller are arranged in the shed body, the problems, of larger occupation space, difficult breeding and litter cleaning and complex temperature and humidity control of a silkworm chamber, of an existing silkworm rack are solved, the situation is avoided that the growth and development of silkworms are limited by the temperature, the growth speed of the silkworms is improved, and high-yield breeding is achieved.

A high-density aquatic product transporting and breeding device comprises a fish tank, a water pump, a water purification system, a constant temperature system and an oxygenating system, wherein a water inlet pipe and a water outlet pipe are arranged in the bottom of the fish tank; the water inlet pipe and the water outlet pipe are connected through a pipeline to form a water circulating loop; and the water pump, the water purification system, the constant temperature system and the oxygenating system are arranged on the pipeline of the water circulating loop, wherein the water purification system comprises a hydraulic cyclone and a filter system or one of the two; the constant temperature system is a dividing wall type heat exchanger, and a heat exchange medium is a low-temperature fluid body or a high-temperature fluid body from a refrigerating unit; a liquid oxygen bottle is arranged on the oxygenating system, and liquid oxygen in the liquid oxygen bottle generates gaseous oxygen through a pressure reducing valve and inputs the gaseous oxygen to the oxygenating system; overflow holes and an overflow trough are formed on the fish tank, so that the content of body fluid proteins and fine impurities in live fish transporting and breeding process can be effectively reduced. The device provided by the invention can be used for transporting and breeding high-density live fishes and increases the quantity of fishes in the fish tank as more as possible on a basis of guarantee of survival fishes, so that the transporting and breeding cost is lowered.

The invention discloses a three-dimensional ecological circulating breeding method. In the method, an intensive breeding rack, protective screens and breeding basins are composed; the intensive breeding rack comprises a plurality of layers; the upper layer is served as a flaying organism breeding layer; the middle layer is served as a reptiles organism breeding layer; the lower layer is served as an aquatic organism breeding layer; corresponding protective screens and breeding basins are arranged in all the layers; the breeding basins can be upwards overlaid and forwards arranged; flying organism at least comprises flies, moths and locusts; reptiles organism at least comprises earthworms, yellow mealworms, barley pests and dried bodies of ground beetle; and aquatic organism at least comprises fishes, shrimps, quasipaa spinosa, loaches and aquatic plants, so as to form a complete ecologic food chain. By adopting the structure, the method has the advantages that the environment is similar with the natural ecological environment, nutrient and balanced in ecology, growth and reproduction speeds are high, the disease resistance is high, the yield is high, the survival rate is high, and breeding space is saved.

The invention discloses a finless eel rice field integral planting and breeding method capable of stabilizing the grain income and increasing the fishery income. The method includes the steps: selecting a rice field, where a land having the pH of 4-7 is used as the rice filed; constructing the rice field, increasing the height and the width of ridges of the rice field, reinforcing the ridges, and additionally arranging escape-proof facilities in a drainage opening; flatting the rice field, and digging drainage ditches; turning over the rice field, drying the rice field in sunlight, smashing soil, and then applying a base fertilizer; applying fermentative chicken manure to the drainage ditches and injecting water from the last ten days of March to the first ten days of April; planting the rice; selecting finless eel fries; stocking the finless eel, disinfecting the selected finless eel fries, and then putting the selected finless eel fries into the rice field; feeding the finless eel with fodder, feeding the finless eel with the fodder once every day during 1-2 weeks after finless eel stocking, wherein the feeding amount of the fodder is 4-8 wt% of the body weight of the finless eel; and then feeding the finless eel with the fodder for 3 times every day, wherein the feeding amount of the fodder is 2-5 wt% of the body weight of the finless eel; managing the water quality, changing water once every 2-3 days in midsummer, and changing water once every 7-10 days in the rest time, wherein the water changing amount is 1 / 3 of water in the rice field; and controlling diseases.

The invention provides an isolated fish culture pond device for aquaculture. The device comprises a combined tank body, a left tank body and a right tank body; a water outlet pipe is further fixedly embedded in one side of the right tank body; and the inner part of the side of the right tank body is also fixedly provided with a water outlet cover. The invention provides the isolated fish culture pond device for aquaculture, and a movable space can be adjusted according to the breeding amount of each kind of fish through the arrangement of partition plates. When the adjusting is carried out, two upper supporting rod locating pins on the top of one partition plate are respectively pulled upwards by two persons, then the partition plate can be pushed to move left and right. After the positionis adjusted, the upper supporting rod locating pins are released, and the upper supporting rod locating pins can be driven to move downwards due to the action of stretching springs, so that the bottoms of the upper supporting rod locating pins are tightly attached to the top of a pond body. Anti-skid rubber pads matched with the bottoms of the upper supporting rod positioning pins exert an anti-skid effect and can fix the partition plate, so that fishes are more convenient to pick and catch.

The invention relates to the technical field of aquaculture, specifically to a special stereo multi-layer type swimming crab culture device. According to the invention, the device is externally connected with a water-level control unit--a culture barrel, wherein a plurality of culture disks are distributed in the culture barrel along axial direction at an interval, each culture disk comprises a plurality of culture areas and a hollow area, and each culture area is provided with a water inlet channel; the interior of the culture barrel is provided with a water delivering pipe, and the wall of the water delivering pipe is provided with water outlets which can be communicated with the water inlet channel of the culture area; the top of the culture barrel is also provided with a blanking unit which is connected with a plurality of feeding channels that respectively extend to a corresponding culture disk; the culture disks are also provided with feed-dividing disks at outlets of corresponding feeding channels; and the feed-dividing disks sleeve the water delivering pipe, and the bottom parts of the feed-dividing disks are provided with feeding pipes which are respectively communicated with a corresponding culture area. The special stereo multi-layer type swimming crab culture device provided by the invention makes full use of the spatial volume of the culture barrel, so culture space is greatly saved under the condition of invariable yield; and feeding of each culture area is realized through the blanking unit and the feed-dividing disks, so the feeding is more uniform, and the unity of culture specifications is ensured.

The invention relates to a prediction method for a bat moth hatching rate. The method is that to-be-measured eggs are cleaned and dried and then sampled; a plurality of culture dishes having the same size are selected; a piece of filter paper is laid on the bottom of the culture dish and then cold boiled water is injected; a sampled egg is placed into one culture dish for hatching; the rest eggs are hatched at the same density; the hatching temperature is 2 to 10 DEG C lower than hatching temperature of the sampled egg; the egg is swept once via a clean brush pen; the egg is swept for times to keep the filter paper humid; microscopic examination is conducted three days after the sampled egg hatches larva; and the hatching rate can be calculated. With hatching temperature differences, hatching rate of each batch of to-be-placed bat moth eggs can be predicted before the bat moth eggs are placed into a culture field. Egg stocking amount in specific culturing space can be determined according to the predicted hatching rate, so the same culturing space can have same or similar population density; the culturing space can be intensively utilized, so culturing space, material and human resource cost can be reduced.

The invention discloses a Procambarus clarkii and semilate rice rotation planting method capable of stabilizing the grain income and increasing the fishery income. The method includes the steps: selecting a rice field, and digging circular Procambarus clarkii breeding ditches and field furrows, wherein the total area of the circular Procambarus clarkii breeding ditches and the field furrows is 5-10% of the area of the rice field; increasing the height and the width of ridges, reinforcing the ridges, flatting a filed surface; additionally arranging escape-proof facilities in a drainage opening; transplanting rice seedlings in the rice field in the first ten days of June, wherein the density of the rice seedling is 1.3-1.5 ten thousand / mu; stocking the Procambarus clarkii parents; and performing daily management. The Procambarus clarkii and semilate rice rotation planting method can cultivate the rice and the turtles together, is low in technical difficulty, is small in investment, is low in breeding risk, and is high in return rate.

The invention discloses a micro-flowing-water ecological breeding method for rare fishes in a rice field. The breeding method comprises the following steps of (1) selection of the rice field; (2) rice field transformation, wherein an enclosing ridge is built around the rice field, a water inlet and a water outlet are formed in the enclosing ridge of the two opposite corners of the rice field, then, fish ditches of cross-shaped structures are dug in the rice field, and finally, a feeding breeding ditch communicated with the fish ditches is dug in one side of the rice field; (3) rice planting, wherein manual transplanting of rice seedlings is conducted in rice planting areas in the rice field; (4) fry release, wherein 15 days after transplanting of the rice seedlings, fry are stocked in the feeding breeding ditch, and most of fry of sinocyclocheilus graham, schizothorax taliensis, neolissochilus benasi and spinibarbus sinensis bleeker are stocked; (5) feeding management, wherein after the planted rice seedlings turn green, artificial feed needs to be added into the feeding breeding ditch every day; (6) daily management. The allocation of mixedly-bred fry types is reasonable, planning for the rice field is proper, a scientific feeding mode is adopted, the growth speed of the fry is increased, and the yield of rice is also increased, so that the benefit of mixed fish breeding in the rice field is significantly increased.

The invention relates to a wind wave-resistant marine pasture breeding device and belongs to the technical field of marine pastures. The wind wave-resistant marine pasture breeding device includes a center embedded part and a pull rope. The center embedded part is fixedly arranged at a seabed, bottom connecting rods are evenly arranged on the center embedded part towards the sides and further provided with inner positioning rods which are vertically upwards respectively, inner breeding nets are arranged between every two inner positioning rods, the bottoms of the inner positioning rods towardsthe sides are further provided with lower elastic rods respectively, the middle portions of the inner positioning rods towards the sides are provided with upper elastic rods respectively, the bottomsof the front ends of the lower elastic rods are provided with connecting sliding rods, the connecting sliding rods are further provided with side embedded parts corresponding to the seabed, the sideembedded parts are provided with upward slideways, the connecting sliding rods are matched with the slideways of the side embedded parts, the front ends of the upper elastic rods are provided with outer positioning plates, and an outer cultivation net is further arranged between the outer positioning plates. The problem that an existing shallow water area marine pasture cannot effectively resist wind waves is solved, the wind wave-resistant marine pasture breeding device is simple in structure and low in cost, impact to the device caused by the sea waves can be effectively reduced, and a cultivation space is greatly saved.

The invention relates to the propagation of Sargassum thunbergii, in particular to a method for massively propagating the seedlings of the Sargassum thunbergii by a tissue culture vane method, comprising the steps of: 1) picking the complete principal branches in the sample of the Sargassum thunbergii and using disinfected seawater to disinfect; 2) then using AgCl to disinfect and process; using a bistoury to take down the wide and large vanes in the middle lower part of the principal branches and using a nipper to arrange the wide and large vanes into prepared culture liquid; the culturing temperature is between 13 and 20 DEG C; the illumination intensity is 15 to 50 Mumol / m2 per s; and the illumination: darkness in the illumination period is equal to 8 to 10: 16 to 14h; 3) needing not to ventilate 7 to 10 days before culturing; after the 7 to 10 days, beginning to ventilate and culture after the wound healing of the vanes is finished; changing the culture liquid every 35 to 45 days; after culturing for 3 months, a plurality of buds are generated in the middle lower parts of the vanes; and after culturing for 5 months, regenerated strains can be collected to carry out fixed planting and culturing. The method needs less plant materials and less culturing space, can carry out idioplasm preservation for a long period, and has large fecundity and pure seedling quality, and the like.

The invention belongs to the technical field of agricultural planting, and particularly relates to an intercropping method of loaches and ricefield eels with selenium-rich rice. The intercropping method of the loaches and the ricefield eels with the selenium-rich rice is simple and scientific, by means of the loaches and the ricefield eels, weeds in a field can be removed, soil hardening can be prevented, root development and tillering of the rice can be promoted, clear water quality can be maintained, growth of the rice can be promoted, breeding space can be saved, and a good ecological environment can be built; plankton and injurious insects in the rice field can be used as fodder by the loaches and the ricefield eels, so that additional fodder for external use is saved, the breeding cost is greatly lowered, the occurrence rates of diseases and pests of the rice are lowered, and the quality of the rice is improved; the yields are high, the cost is low, and the taste of the loaches and the ricefield eels is good; rice seeds are soaked in a sodium selenite solution, so that pregermination, germination and selenium absorption of the seeds are promoted, and selenium-rich organic fertilizer is applied in the rice planting process, so that the selenium content and the yield of the rice are improved.

The invention discloses flowing-water breeding equipment for loach. The equipment comprises a rectangular frame, floating blocks, slide rods, a net pocket, a still water platform, a telescopic rod assembly, a support frame, breeding boxes and a feeding apparatus, wherein a transverse rod and a vertical rod are arranged inside the rectangular frame, the floating blocks are installed on the side frames of the rectangular frame, the slide rods are sleeved with sleeves sliding along the slide rods, the net pocket is arranged in the rectangular frame, a breeding space is formed in the interior of the net pocket, the still water platform is arranged in the breeding space, the first end of the telescopic rod assembly is fixed to the intersection point, the second end of the telescopic rod assembly is connected with the still water platform, the support frame comprises support foots and a support horizontal plate, the interiors of the breeding boxes are provided with breeding rooms, the feeding apparatus comprises a feed hopper and a feed pipe, and the feed pipe extends downward to the interior of the net pocket. The apparatus aims at the problem that a traditional breeding box lacks stillwater areas, and provides relatively static and slow-flowing water areas for loach by setting a still water platform, and the apparatus is consistent with growth habits of loach and is beneficial tothe loach growth. By setting a support frame, the breeding boxes can be constructed above the flowing-water breeding equipment for loach through the support frame for animal and plant breeding, and the efficient utilization of the space is achieved.

A nested aquaculture pond suitable for large sturgeon aquaculture comprises an outer annular pond and is characterized in that an inner annular pond is arranged in the center of the outer annular pond in a nested manner, the outer annular pond and the inner annular pond are separated by an inner pond wall to form two independent spaces and provided with independent water inlet systems and drainage systems, an overbridge is connected to the tops of an outer pond wall of the outer annular pond and the inner pond wall, annular ground gates and water collection pipes are arranged at the bottom, close to the inner pond wall, of the outer annular pond, a water collection port is arranged at the center of the inner annular pond, and the inner annular pond is connected with the drainage system via the water collection pipes and the water collection port. When the nested aquaculture pond suitable for large sturgeon aquaculture is used, small Chinese sturgeons are put in the inner annular pond for feeding, and large offspring seeds are put in the outer annular pond for aquaculture, so that aquaculture space is saved; due to respective water inlet systems and drainage systems, feeding is safer, and the nested aquaculture pond is particularly suitable for aquaculture of large sturgeons like the Chinese sturgeons and Japanese sturgeons.

The invention discloses an industrial aquaculture pond which comprises a base; an isolation barrel is fixedly connected with the center of the base; a guiding device is fixedly connected with the top of the isolation barrel; and a feeding device is fixedly connected with the inner side of the guiding device. According to the industrial aquaculture pond, by means of the guiding device, the predatory nature, phototaxis and social property of cultured fishes are utilized, the cultured fishes are lured to swim along with simulated fish bait and a fish luring lamp, and other individuals in the cultured fishes can swim along with the fishes according to the biological habits of the individuals. Through the arrangement of the feeding device, feed is uniformly spread to the industrial aquaculture pond, the situation that the feed intake of the cultured fish in the industrial aquaculture pond is close is ensured, and meanwhile, the feed is rotationally spread to enhance induction of the cultured fish to swim around the garden, so that the problems that in an existing industrial aquaculture pond, fish activity is weak, the aquatic product quality is poor, water quality deterioration is caused by excessive feed putting, and the space utilization rate is low are solved.

The invention discloses a Procambarus clarkii, soft-shelled turtle and rice integral planting and breeding method capable of stabilizing the grain income and increasing the fishery income. The method includes the following steps: A, selecting a paddy field with sandy soil as a rice field, repairing the rice field, digging furrows and channels, and additionally arranging escape-proof facilities around the rice field; turning over the rice field in winter, disinfecting the rice field through dry-freezing and sunshine in water, using tea cakes or quicklime to disinfect the rice field and kill pests during the first ten days of February; applying a base fertilizer during the middle ten days of February; stacking fermented chicken and duck manure at different sites to fertilize water in the middle ten days of March; stocking Procambarus clarkia parents in the first ten days of March; selecting rice seeds, performing germination accelerating in the first ten days of May, and planting rice seedlings after the age of the rice seedlings is 25-35 days old; stocking young soft-shelled turtles: drain water on a surface of the rice field to the furrows in the rice field when the rice seedlings turn green in the last ten days of June, drying the rice field in sunshine according to the environment temperature, adding water, increasing the depth of water till the height of rice plants is 10-15 cm after the rice has tillers, disinfecting the young soft-shelled turtles, and putting the young soft-shelled turtles into the rice field.

The invention belongs to the technical field of agricultural planting and particularly relates to a selenium-rich rice and loach intercropping method for saving baits. The selenium-rich rice and loach intercropping method for saving baits is simple and scientific, loaches can remove weeds in fields, prevent soil hardening, promote rice root system development and tillering, keep water clean and promote rice growth, a breeding space can be saved, and a good ecological environment can be established. The loaches can utilize planktons, injurious pests and the like in rice fields as baits, externally added baits are saved, the breeding cost is greatly reduced, the occurrence rate of rice diseases and pests is reduced, and rice quality is improved. The yield is high, the cost is low, and the loaches are good in taste. Rice seeds are soaked by a sodium selenite solution, seed germination acceleration and selenium element absorption are promoted, a selenium-rich organic fertilizer is applied in the rice planting process, and the selenium content and yield of rice are increased.

The invention discloses a raising shed and relates to the field of animal husbandry. The technical problem that in the prior art, temperature inside a raising shed can not be effectively adjusted is solved. An inner shed roof is arranged inside the raising shed and comprises a support and a thermal insulation film, wherein the support is covered with the thermal insulation film. A film rolling device is arranged at one end of the support, one end of the thermal insulation film is connected to the film rolling device, and the other end of the thermal insulation film is connected with a driving device for pulling the thermal insulation film. A rotating device is connected to the film rolling device and used for driving the film roll to rotate to roll the thermal insulation film. The raising shed is applied to the field of the animal husbandry.

The invention discloses a three-dimensional multi-layer automatic breeding system and breeding method for hermetia illucens. The three-dimensional multi-layer automatic breeding system comprises a frame case, breeding trays, a feed tray filling machine, a seed throwing device, a tray overturning and material pouring machine, a tray lifting machine, a tray conveying unit, a screening machine, a temperature adjusting device, a deodorization device and a system controller. According to the three-dimensional multi-layer automatic breeding system and breeding method for the hermetia illucens, through a spatial multi-layer three-dimensional process design, hermetia illucens cultivation is expanded from a plane pond cultivation mode to a three-dimensional cultivation mode, compared with the plane pond cultivation mode, the land is saved by more than 90%, the cultivation space is small, the collection of cultivation odor is facilitated, the deodorization treatment is economically completed, the equipment model is small, the functional process is complete, the whole cultivation process is automatic, and the labor is less, the labor intensity is low, the efficiency is high, the breeding cost is low, the economic benefit is good, the environmental protection property is high, large-scale, factory-like, clean and environment-friendly breeding can be carried out, industrial popularization is facilitated, the application cost is low, which is conducive to the implementation of the project in cities short of land resources.

The invention discloses a spatial multilayer automatic breeding system and breeding method for hermetia illucens. The automatic breeding system comprises breeding trays, feed tray filling machines, a tray conveyor, tray stacking machines, tray stack conveying units, tray stack disassembling machines, a tray overturning and pouring machine, a material conveyor, a screening machine, a system controller, a breeding tray temperature adjusting device, a tray stack reversing conveyor and a seed throwing device. Equipment is small in machine type and complete in function and technology; a planar pond breeding mode of hermetia illucens breeding can be expanded into a three-dimensional breeding mode; compared with the planar pond breeding mode, 90% or above of land is saved; and the whole breeding process is automatic, the labor consumption is low, the labor intensity is low, the efficiency is high, the breeding cost is low, the economic benefits are good, the environmental friendliness is high, large-scale, industrial, clean and environment-friendly breeding can be carried out, industrial popularization is facilitated, and the project can be put into operation in cities short of land resources more conveniently.

The invention relates to a combined honeycomb. The combined honeycomb comprises a head-to-tail-connected closed side wall which stands on the ground, wherein a plurality of groups of single honeycombsare hung on the inner wall of the side wall, and tightly connected at a same height in succession. According to the invention, through continuous arrangement of the plurality of groups of single honeycombs, independent weak bee colonies are horizontally connected from head to tail, so the number of bee colonies are enlarged; the weak bee colonies huddle together for warmth, so the ability of resistance to natural disasters and natural enemies is greatly reinforced; and mutual stealing of honey among the bee colonies does not occur any more, so the breeding space of bees is greatly saved, andthe yield of honey is increased.

The invention relates to the technical field of breeding of tenebrio molitor, and particularly relates to a breeding method capable of accelerating growth of larvae of tenebrio molitor. The method disclosed by the invention comprises the steps of: after eggs of the tenebrio molitor are incubated, sequentially increasing a density and mixing large-sized larvae to carry out common breeding to shorten time for the larvae of tenebrio molitor to forage an adult feed, so that small larvae reach a screening standard as soon as possible; then carrying out screening for twice to screen out the large-sized larvae and small larvae at an age of 1 to 2; placing the small larvae at the age of 1 to 2 into a new breeding box and feeding a larvae matching feed adopted in the method; and continuously breeding to a sale specification. By adopting the method disclosed by the invention, breeding time of the larvae of tenebrio molitor can be shortened to 45 to 50 days from original time of about 90 days, a growth speed of the larvae of tenebrio molitor is greatly improved, breeding time and a breeding space are saved, and economic benefits of a breeding enterprise is improved; and the method disclosed by the invention has great popularization value.

The invention discloses a crayfish burrowing system for three-dimensional cultivation. The crayfish burrowing system comprises a tank, a plurality of bags connected with the tank and a lifting assembly connected with the bags, wherein openings are formed in the bags and connected to water channels, and a feeding port is formed in the upper part of each water channel; water guiding parts are arranged in the bags, and one end of each water guiding part extends into the corresponding water channel; the lifting assembly at least comprises pulleys and dragging parts, one end of each dragging part is connected with the closed end of the corresponding bag, and the free ends of the dragging parts wind around the pulleys, and rollers are arranged at included angles of the bags and the tank. According to the crayfish burrowing system, three-dimensional cultivation is realized, the cultivation quantity is increased, and space is saved; crayfishes can easily burrow and are convenient to fish and prevented from climbing to escape.

The invention relates to a device for attracting insect species to perch in a feces treatment workshop. The device comprises a plurality of cross rods which can rise and descend and are arranged on the upper portion of the feces treatment workshop side by side. A plurality of yarn ropes are hung on the cross rods, and the lower ends of the yarn ropes are immersed in water. The device for attracting the insect species to perch in the feces treatment workshop can attract the insect species to perch in the feces treatment workshop and drink water, facilitates inhabiting, water drinking, growing and breeding of the coprophagous insect species, and is simple in structure and obvious in effect.

A nested aquaculture pond suitable for large sturgeon aquaculture comprises an outer annular pond and is characterized in that an inner annular pond is arranged in the center of the outer annular pond in a nested manner, the outer annular pond and the inner annular pond are separated by an inner pond wall to form two independent spaces and provided with independent water inlet systems and drainage systems, an overbridge is connected to the tops of an outer pond wall of the outer annular pond and the inner pond wall, annular ground gates and water collection pipes are arranged at the bottom, close to the inner pond wall, of the outer annular pond, a water collection port is arranged at the center of the inner annular pond, and the inner annular pond is connected with the drainage system via the water collection pipes and the water collection port. When the nested aquaculture pond suitable for large sturgeon aquaculture is used, small Chinese sturgeons are put in the inner annular pond for feeding, and large offspring seeds are put in the outer annular pond for aquaculture, so that aquaculture space is saved; due to respective water inlet systems and drainage systems, feeding is safer, and the nested aquaculture pond is particularly suitable for aquaculture of large sturgeons like the Chinese sturgeons and Japanese sturgeons.

The invention discloses an automatic three-dimensional breeding system and breeding method for hermetia illucens. The automatic three-dimensional breeding system comprises a frame machine box, breeding trays, a feed tray filling machine, a tray turning-over and material pouring machine, a front tray lifting machine, a rear tray lifting machine, a tray conveying device and a system controller. According to the automatic three-dimensional breeding system, through the spatial multi-layer three-dimensional process design, the breeding of hermetia illucens is expanded from a plane pond breeding mode to a three-dimensional breeding mode, compared with the plane pond breeding mode, the land is saved by 90% or above, the breeding space is small, the collection of breeding odor is facilitated, the deodorization treatment is economically completed, the equipment model is small, the functional process is complete, the whole breeding process is automatic, the labor is less, the labor intensity is low, the efficiency is high, the breeding cost is low, the economic benefit is good, the environmental protection property is high, large-scale, factory-like, clean and environment-friendly breeding can be achieved, stacking, unstacking and tray stacking and conveying equipment do not need, the equipment investment cost is lower when the automatic three-dimensional breeding system and breeding method are applied to medium and small-scale hermetia illucens breeding projects, and the projects can favorably land on the ground in cities short of land resources.