58results about How to "Convenient for predation" patented technology

The invention relates to the field of freshwater farming of penaeus vannamei boone and discloses an ecological freshwater farming method for the penaeus vannamei boone. The method mainly comprises the steps of performing a pond, cleaning the pond, planting submerged plants, injecting water, cultivating water fleas, desalinating fry, performing fry stocking, performing reasonable feeding and alternately catching the penaeus vannamei boone out of the pond. Compared with the prior art, chemicals are basically not used in the whole farming process, water is not changed in quantity to guarantee that the farmed penaeus vannamei boone is high in survival rate, high in disease resistance and growth speed and more delicious in taste, and therefore high economic benefits can be achieved.

An artificial ecological coral reef is a hollow naked reef. The hollow naked reef is provided with a table-like housing; a plurality of supporting columns are fixedly connected to the bottom of the table-like housing; a plurality of communication holes with various sides are formed in the wall surface of the hollow naked reef; a plurality of embedded plate passing through the wall surface of the hollow naked reef are fixed on the wall surface of the hollow naked reef; the embedded plates extend certain length out of the interior of the hollow naked reef; and surface attached layers are fixed on the internal and external wall surfaces of the hollow naked reef. By the use of the artificial ecological coral reef, coral young bodies can easily attach and grow and coral transplantation can be facilitated; coral reef organism inhabiting, sheltering and growth and breeding can be facilitated, so an independent and comprehensive coral reef ecological chain with stability can be formed; and the artificial ecological coral reef can work as an independent reef and group reefs.

The invention discloses a preying-facilitated artificial reef which aims for settling defects of single functions, inconvenient preying of fish swarms at a reef position and easy blockage after an existing artificial reef comes into service. The preying-facilitated artificial reef comprises an alga culturing substrate and a reef substrate. A pull rope and a mesh bag are connected between the alga culturing substrate and the reef substrate. The alga culturing substrate is connected with impact balls which are used for impacting with the reef substrate. The reef substrate is provided with high-pressure gas which is used for flushing a fish sheltering chamber. The impact balls trigger a rebound mechanism. The rebound mechanism cuts a gas cover to open. The high-pressure is discharged and flushes the fish sheltering chamber, thereby preventing blockage of the fish sheltering chamber. The artificial reef can provide a place for inhibition, breeding, baiting and sheltering for fish swarms and furthermore can be used for culturing the alga, thereby realizing convenient preying of the fish swarms. After the artificial reed comes into service, blockage of the fish sheltering chamber in the reef substrate does not easily occur, thereby facilitating aggregation of the fish swarms.

The invention relates to a raising and training method for young bullfrogs and in particular to a raising and training method convenient for raising and training the young bullfrogs and promoting thegrowth and development of the young bullfrogs. The method comprises the following steps: 1) installing a raising and training container in a raising pond, wherein the raising and training container comprises a throwing box; a rotation shaft, wherein one end is rotatably fixed in the raising pond, and the other end is extended into the throwing box; and a throwing component, wherein the throwing component comprises four throwing parts, each throwing part comprises a driving part and a driving board connected with the driving part, and the driving board is installed relative to a throwing outlet; and 2) selecting the young bullfrogs after 1-2 days of the metamorphosis development of tadpoles, raising and training in the raising pond, wherein after a fodder is thrown, the rotation shaft drives the throwing box to be rotated continuously, the throwing component is outwards moved from a longitudinal axis of the throwing box, and the fodder is pushed to the throwing outlet for eating by theyoung bullfrogs. The provided raising and training method for the young bullfrogs is capable of improving the success rate of raising and training the young bullfrogs.

The invention relates to a constructed wetland system for removing pathogenic microorganism in water. According to the invention, 2 separator plates are used to divide the constructed wetland bed body into 3 units; the 3 units are paved and filled with composite fillers; the composite fillers filled in the first unit from a water inlet, from top to bottom, comprise zeolite, anthracite, steel slag and biological ceramsite; the composite fillers filled in the second unit from the water inlet, from top to bottom, comprise biological ceramsite, forsterite and anthracite; and composite fillers filled in the third unit from the water inlet end, from top to bottom, comprise zeolite and biological ceramsite. The inlet water fully contact with the composite fillers along the separator plates in a downward-upward-downward mode; and the system not only can effectively reduce the load of nitrogen and phosphorus into the river of secondary biochemical outlet water from sewage treatment plant, but also can effectively remove pathogenic microorganisms in the secondary biochemical outlet water of sewage treatment plant and reduce the risk of pathogenic organism pollution of receiving water.

The invention discloses a night culture method of loach using lamplight. The night culture method of the loach using lamplight includes the steps of sterilization, water change, fertilizer application, addition of photosynthetic bacteria, seed addition, seed raising and the like. During the culturing, night lamplight is used to attract palatable bait (plankton) of fry to gather to pond surface, the palatable bait serves as night prey for the fry, and accordingly no fertilizer is added. The night culture method of loach using lamplight also includes advanced fry culture process. Food intake of the fry increases. A small amount of fertilizer is added during night lighting to promote growth of the advanced fry. The survival rate of the fry of the loach cultured by the night culture method reaches more than 50%, and the survival rate of summerlings reaches more than 90%.

The invention relates to the technical field of toad breeding, and discloses a novel efficient auxiliary breeding device for toad breeding. The novel efficient auxiliary breeding device for toad breeding comprises two groups of supporting seats, wherein each group comprises two supporting seats; the bottom of each supporting seat is fixedly connected with a hydraulic cylinder, and the bottom of each hydraulic cylinder is fixedly connected with a bottom plate; a first threaded rod is rotationally connected between the close side faces of every two supporting seats in each set; two motors are symmetrically and fixedly connected to the left side faces of the two supporting seats located on the left side through supporting plates, and the left ends of the two first threaded rods penetrate through the right side faces of the two supporting seats on the left side correspondingly and are fixedly connected with the output ends of the two motors correspondingly. The problems that in the existing toad feeding process, the work of preparing to feed food to toads is mostly carried out manually, the feeding efficiency is reduced, and the labor intensity of workers is greatly increased are solved.

An artificial ecological coral reef is a hollow naked reef. The hollow naked reef is provided with a table-like housing; a plurality of supporting columns are fixedly connected to the bottom of the table-like housing; a plurality of communication holes with various sides are formed in the wall surface of the hollow naked reef; a plurality of embedded plate passing through the wall surface of the hollow naked reef are fixed on the wall surface of the hollow naked reef; the embedded plates extend certain length out of the interior of the hollow naked reef; and surface attached layers are fixed on the internal and external wall surfaces of the hollow naked reef. By the use of the artificial ecological coral reef, coral young bodies can easily attach and grow and coral transplantation can be facilitated; coral reef organism inhabiting, sheltering and growth and breeding can be facilitated, so an independent and comprehensive coral reef ecological chain with stability can be formed; and the artificial ecological coral reef can work as an independent reef and group reefs.

The invention belongs to the technical field of toad breeding, and particularly relates to a novel feeding equipment for toad breeding. The equipment comprises a feeding base, a supporting rod, a rainbaffle, an electric telescopic rod, a feeding net and an electric shock net, an annular blocking shoulder is fixedly connected to the middle of an inner cavity of the feeding base, and the feeding net is placed at the upper side of the inner cavity of the feeding base; a feeding net fixing plate is fixedly connected to the outer wall of the feeding net, four first sliding rods are fixedly connected to the lower side of the feeding net fixing plate, the four first sliding rods are evenly distributed, four inserting grooves are formed at the upper side of the annular blocking shoulder, throughthe arrangement of an electromagnet and an iron block, when the electromagnet is powered on, magnetic force is generated to attract the iron block to move downwards; and the iron block drives the feeding net to move downwards, a supporting spring is compressed, the electromagnet is powered off in the downward moving process of the iron block, magnetic force disappears, the feeding net is made to move upwards through the reset effect of the supporting spring, the electromagnet is intermittently powered on to drive the feeding net to vibrate up and down, noise is low, and toads can eat conveniently.

The invention discloses a method for cultivating larvae of loligo duvaucelii, and belongs to the field of aquaculture. The method comprises the steps that fertilized eggs of the loligo duvaucelii are hatched in a screen basin, the larvae enter a larva breeding pond after being hatched, and the breeding density is 800-1000 larvae / m<3>; 1-6 days after the fertilized eggs are hatched, 10 cm of new water is added every day, the water level is increased to 1 m from 40 cm, water is started to be changed when the larvae are 7 days old, the water exchange amount is gradually increased to 200% from 40%, and micro inflation is carried out; after the larvae are 30 days old, running water cultivation is carried out, the water changing amount is increased to 300% or above, and the inflation amount is increased; the water temperature is 20-26 DEG C, the daily temperature difference is smaller than 1 DEG C, the pH is 7.8-8.2, the salinity is 28-32, the dissolved oxygen content is 6 mg / L or above, and when the larvae are 60-70 days old and have the mantle length of 2-2.5 cm, the larvae can be sold; the bait used after the young loligo duvaucelii is hatched is banded grouper roe-artemia nauplii or cladocerans-opossum shrimps or young penaeus vannamei which are wrapped by 4 / 5 of embryo bodies. According to the method, the larva breeding survival rate reaches 60%.

The invention discloses an Odontobutis obscura factory culture method using a bottom framework and a laying net to realize the bottom isolation technology, thus isolating the Odontobutis obscura living quarter from night soils, effectively ensuring culture water quality, and reducing diseases; the Odontobutis obscura is small in activity scope, enjoys cave inhabitation, and preys in an assault mode; the method uses a baffle to replace the water plant function, thus ensuring the Odontobutis obscura quantity per unit area, so the Odontobutis obscura can more conveniently rest, move and prey; in addition, the bait source is strictly controlled in a culture process, and fresh baits are regularly fed in the whole process, thus ensuring the bait fish quantity per unit area, and preventing Odontobutis obscura from killing each other under food shortage. The Odontobutis obscura factory culture method is a whole new production mode under the best artificially created conditions; compared with a conventional method, the Odontobutis obscura factory culture method is small in land occupation, high in unit yield, short in culture period, thus reducing culture cost, and improving production efficiency.

The invention relates to miniature animal attaching packing. By the aid of the miniature animal attaching packing, technical problems that miniature animals in existing miniature animal attaching packing cannot stably grow, the existing miniature animal attaching packing is low in biological density and poor mud predation effects are realized can be solved. The miniature animal attaching packing comprises carriers, a plurality of metal grids and a support frame. The carriers are netted objects, fiber materials are arrayed and woven in a staggered manner to form the netted objects, the metal grids are horizontally arranged in the support frame, the carriers are fixed to the upper surfaces of the metal grids, and gaps are reserved between the carriers and the metal grids. The miniature animal attaching packing has the advantages that the miniature animal attaching packing is high in system stability and mud reduction efficiency and easy to operate and is applied to the field of sewage treatment, and miniature animals can be attached to the miniature animal attaching packing easily.

The invention relates to a system and method for cultivating black-spotted frogs in paddy fields, including a rice planting mechanism, a black-spotted frog breeding mechanism and an escape prevention mechanism. The rice planting mechanism includes a rice planting area and rice; the black-spotted frog breeding mechanism includes settings In the ditch in the middle of the rice planting area, the water ditch vertically runs through the rice planting area; the black-spotted frog breeding mechanism also includes a feeding platform arranged around the rice planting area, and the feeding platform is used for feeding black frogs. Foodstuffs required by spotted frogs; the rice is planted in two rows, and the rice is planted in close proximity to the ditch area, and the planting density at the end far away from the ditch decreases in turn; the escape prevention mechanism includes escape prevention baffles arranged around the feeding platform. In the present invention, water ditches are set in the middle of the rice breeding area, and the black-spotted frog is cultivated while rice is planted, and the black-spotted frog is an insect-catching expert in the rice field, and the pests of rice are not only the bait of the black-spotted frog, but also the black-spotted frog. The excrement is also an organic fertilizer for rice.

The invention provides a comprehensive culture system for Chinese water chestnut, snakehead, lotus root and loach. The comprehensive culture system comprises a lotus root pond, a Chinese water chestnut field, a rice-crab culture area and a water pond, wherein the rice-crab culture area is divided into two columns; the lotus root pond, the water pond and the Chinese water chestnut field are successively arranged between two columns of the rice-crab culture area; the water pond supplies water for the lotus root pond, the Chinese water chestnut field and the rice-crab culture area; a floating bridge is arranged above the water level of the lotus root pond; a raised mud ridge is arranged in the lotus root pond and located below the floating bridge; the bottom part of the floating bridge is movably provided with a circulating water groove which is arranged at the bottom part of the floating bridge through lift-drop screws; two ends of the circulating water groove are respectively and movably inserted with an end plate; the upper parts of the side walls of two sides of the circulating water groove are respectively provided with a flowing water opening; and the outer side walls of the circulating water groove located at the positions of the flowing water openings are respectively and obliquely provided with a flow guiding plate. Thus, the comprehensive culture system provided by the invention has good culture effect and can greatly improve the comprehensive benefits of culture.

The invention provides a fish culture system based on circulation of running water, and belongs to the technical field of aquaculture. The fish culture system comprises water tanks and a culture area.The culture area comprises a hatching subarea, a juvenile fish subarea and an adult fish subarea, and each subarea comprises at least one small fish tank. A water inlet of the culture area is connected with a water supply pipe, and the water supply pipe is connected with water inlets at the tops of the small fish tanks through water distribution devices. Each water distribution device comprises astraight water pipe and an embedded water distribution device. Each embedded water distribution device comprises a water inlet pipe, an air guide pipe and a water distribution disc. The upper ends ofthe water inlet pipes are connected with the water supply pipe, and the lower ends of the water inlet pipes are connected with the water distribution discs. The water distribution discs are arrangedat the bottoms of the small fish tanks, and water distribution holes are formed in the side faces of the water distribution discs. The air guide pipes are connected to positions, above the joints of the water distribution discs and the water inlet pipes, of the water inlet pipes. The fish culture system has the advantages that the water consumption can be effectively lowered, and environmental pollution can be reduced; the double effect of water distribution and oxygen supply can be achieved through the special water distribution devices, and the cost is reduced; the system is provided with the three culture subareas, and the survival rate of fishes can be effectively increased.

The invention relates to a method for raising young frogs through an eating-training container supporting feed recovery, in particular to a breeding method for performing eating training on the youngfrogs while recovering feed. The method comprises the following steps: 1) arranging the eating-training container in a feeding pond, wherein the eating-training container comprises a feeding box, a rotating shaft, a feeding member and a recovery member; one end of the rotating shaft is rotationally fixed in the feeding pond, and the other end of the rotating shaft extends into the feeding box; thefeeding member comprises four feeding parts; each feeding part comprises a driving part and a driving plate body connected with the driving part; the driving plate bodies are arranged corresponding to feeding outlets; the recovery member is arranged on the lower part of the feeding box, and comprises a recovery part and a moving part; the recovery part is arranged around the feeding box; the moving part is paved along a region between the recovery part and the feeding box; 2) selecting young bullfrogs, and putting the selected young bullfrogs into the feeding pond to feed. By adopting the method for raising the young frogs through the eating-training container supporting feed recovery provided by the invention, the eating training success rate of the young frogs can be increased.

The invention relates to an auxiliary device for feeding snakes, and belongs to the related technical field of snake feeding equipment. It mainly includes: a base; a main bracket fixedly connected to the base; a motor seat and a bearing seat are fixedly connected to the main support; a swing motor is installed on the motor seat, and a transmission rod is installed in the bearing seat; the swing motor passes through The coupling is connected with one end of the transmission rod, and the other end of the transmission rod is fixedly connected with the rocking plate; one end inside the rocking plate is equipped with an electric cylinder, and the other end inside the rocking plate has a stopper, and the piston rod of the electric cylinder is installed There is a chuck corresponding to the stopper; a feeding hole is provided on the rocking plate; the feeding hole is located under the dripper. The invention can assist the breeder to feed the chilled loach by designing a brand-new structure, and can continuously drip warm water on the body of the chilled loach to induce the snake to prey.