21 results about "Catfish" patented technology

The utility model provides a sewage suction device for a land-based barrel culture pond of mastacembelus armatus, which comprises a culture pond, a first sewage suction pipe, a second sewage suction pipe, a collecting box, a third sewage suction pipe and a filter, the bottom of the culture pond is in an inverted cone shape, one end of the first sewage suction pipe is connected with the filter, and the other end of the first sewage suction pipe extends to the lowest point of the bottom of the culture pond; one end of the second sewage suction pipe is connected with the filter, the other end of the second sewage suction pipe is connected with an inner cavity of the collecting box, and the bottom of the collecting box is 20-30 cm lower than the water level of the culture pond; one end of the third sewage suction pipe is connected with the bottom of the collection box. As the sealing cover for sealing is arranged on the collecting box, negative pressure can be formed after water in the collecting box is pumped by the water pump, water flows into the collecting box in an accelerated mode through the third sewage suction pipe, the suction force of the third sewage suction pipe is improved, the higher sewage suction capacity is obtained, sewage at the bottom of a culture pond and diseased and dead fishes can be better sucked into the collecting box, and therefore the quality of the culture pond is improved. The water quality influence caused by rotting of diseased and dead fishes is avoided.

This invention discloses a device and method for de-adheding fertilized eggs of the spiny loach. The device includes an incubator with a first guide rail and a second guide rail above it. One end of the second guide rail is connected to the first guide rail via a fixing rod. A first frame is movably disposed between the first guide rails, and a temporary storage box is rotatably mounted on the first frame. A first vertical block is connected to the outer wall of the temporary storage box. A second frame is movably disposed between the second guide rails, and a second vertical block is mounted on the second frame. A first linkage mechanism is provided between the second vertical block and the first vertical block to lock or unlock the connection between the second and first vertical blocks. A second linkage mechanism is also provided between the second frame and the fixing rod to lock or unlock the connection between the second frame and the fixing rod. This device for de-adheding fertilized eggs can regulate the de-adhesion and pouring of fertilized eggs, and evenly distribute the fertilized eggs into the incubator.

The present application relates to long-nosed grass carp breeding technical field, especially green pollution-free long-nossed grass carp breeding method, aiming at the single purification effect of the breeding water in the green breeding process of long-nosed grass carp in the prior art, the present application provides the following scheme, which comprises the following steps: S1, establishing a breeding farm, building suitable breeding ponds according to the breeding scale, and laying bricks and stones or cement hardening treatment on the bottom and side of the breeding pond; S2, establishing a water purification device, installing a certain number of water purification devices in the breeding pond, and regularly starting to purify the breeding water in the breeding pond; S3, prevention and treatment of diseases and insect pests, before putting fish fry, the bottom is comprehensively sprayed with quicklime, the present application not only can conveniently purify the breeding water in the breeding pond, but also can effectively improve the oxygen content in the breeding water in the filtering process, and can also avoid the winding of the water tank on the suction pipe.

This utility model discloses a circulating water purification device for the cultivation of *Cetacea purpurea*, relating to the field of *Cetacea purpurea* cultivation technology. It includes a cultivation box with a flow guide frame at the top and a water storage tank at the bottom. The water storage tank contains a filter assembly, and its inner wall is connected to a vertically arranged water pipe. The beneficial effects of this utility model are: the cultivation box, composed of a frame and a glass plate, allows observation of the *Cetacea purpurea* inside the box from the outside; the flow guide frame, with its spiral structure, utilizes gravity to guide the water flow naturally, reducing power consumption and extending the water flow path, thus improving purification and oxygenation efficiency; the filter assembly purifies the water in the cultivation box; and the ramp and partitions simulate the flow of a natural river through a circulating water system.

1. The name of the designed product: lighter case (sail tail fish). 2. The use of the designed product: used for containing lighters. 3. The design points of the designed product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

This utility model discloses a high-efficiency and energy-saving ecological breeding pond for *Cetacea purpurea*, relating to the field of breeding pond technology. It includes a frame, with a filter box installed at the top of the frame. The inner wall of the frame is respectively provided with a first inclined plate and a sieve frame. Two sets of water conveying components are provided on the front of the filter box, and a funnel is installed at the bottom of the filter box. A fixing frame is fixed to the inner wall of the frame. The beneficial effects of this utility model are: the filter box can store filter material; when the water conveying components deliver breeding water to the filter box, the water can be filtered through the filter material inside; the first inclined plate can simulate the flow of a natural river through a circulating water system; and the sieve frame can filter the breeding water through the openings in its inner wall, while simultaneously collecting residual feed, feces, and harmful substances in the water.

The utility model discloses a water flow stirring device for ictalurus punctatus fry culture, a plurality of rotating shafts are rotatably mounted in a culture pond, one end of each rotating shaft extends to the outer side of the culture pond, a belt pulley is fixed on each rotating shaft, one end of one rotating shaft is connected with a driving motor, and a belt is arranged between any two adjacent belt pulleys. The driving motor can be started to be matched with the belt to drive the rotating shafts to rotate, the stirring assembly comprises mounting rings fixed to the peripheries of the rotating shafts, a plurality of stirring plates are fixed to the mounting rings, and when the rotating shafts rotate, the stirring plates can be driven to rotate, so that water flow in the culture pond is stirred, and the flowability of water is improved; the stirring assemblies on the multiple rotating shafts and any two adjacent rotating shafts are arranged at intervals, so that water at different positions in the culture pond can be stirred, and the water flow stirring effect is improved. A plurality of through holes are formed in each rotating shaft, water in the culture pond can flow through the through holes in the water flow stirring process, and the water flow stirring effect is further improved.

The invention belongs to the technical field of fermentation processing of aquatic products, and particularly relates to a low-salt freshness-enhancing siniperca chuatsi processing method based on synergistic fermentation of functional complementary lactic acid bacteria. According to the method, endogenous lactic acid bacteria are separated from siniperca chuatsi, the salt tolerance and metabolic characteristics of the endogenous lactic acid bacteria are evaluated in the implementation process, and a lactic acid bacteria combination with complementary functions is preferably constructed. Through the synergistic fermentation effect, degradation of protein and lipid in fish meat is promoted, flavor substances beneficial to formation of delicate flavor are generated, and the delicate flavor and the overall quality of the smelly mandarin fish are improved under the condition that the use amount of salt is remarkably reduced. Compared with high-salt natural fermentation and low-salt natural fermentation, the smelly mandarin fish prepared by the method disclosed by the invention has higher umami response, better texture characteristics and lower pH value and water activity. The method disclosed by the invention is beneficial to improving the stability and safety of the product, and is suitable for standardized and large-scale production of the low-salt-odor mandarin fish.

This utility model discloses a channel catfish hatching device, relating to the technical field of hatching equipment. The utility model includes a hatching chamber with an operating table. Multiple cavities are arranged on the operating table surface, and hatching components are selectively placed in these cavities. Each hatching component consists of a flowing water hatching tank and multiple hatching troughs. An overflow port is provided on the side wall of the flowing water hatching tank, and a fry discharge pipe is provided on the end wall of the flowing water hatching tank. This utility model sets up independent flowing water hatching tanks on the operating table, draining water through the drain pipe and releasing fish through the fry discharge troughs. Each flowing water hatching tank forms an independent hatching environment. The farmer only needs to periodically inspect the hatching chamber, shake the hatching troughs when necessary, and remove the plugs when releasing fish, simplifying the hatching process and operation. It also solves the problem that existing devices cannot be used to hatch different batches of channel catfish fertilized eggs.

This invention relates to the field of black-spotted catfish farming technology, and in particular to a method and apparatus for black-spotted catfish farming. The apparatus includes a farming pond, a sludge treatment component, a temperature control module, a drive component, and a heat-insulating shed component. The sludge treatment component is fixedly connected to the farming pond, and the temperature control module is fixedly connected to the inner wall of the farming pond. The catfish are placed in the farming pond for farming, and the temperature is controlled at 8℃-9℃ by the temperature control module. When a large amount of fish excrement and debris is generated at the bottom of the pond, the drive component activates the sludge treatment component to collect and clean the sludge and clean the hourglass farming plate, preventing blockage of the hourglass farming plate and avoiding water quality issues and fish diseases. When the weather is cold or too hot, or when the temperature exceeds the minimum and maximum thresholds, the temperature control module activates the heat-insulating shed component to maintain a stable water temperature in the farming pond and ensure an optimal farming environment.

The application discloses a method for thawing frozen channel catfish fillets by using magnetoelectric coupling, and comprises the following steps: placing the frozen channel catfish fillets into a sealed bag and placing the sealed bag into a magnetoelectric coupling freezing and refrigerating box; inserting a thermocouple temperature probe into the center of the meat sample to monitor the temperature in real time; and stopping the magnetoelectric coupling when the temperature reaches a predetermined temperature, thereby completing the thawing. The method can reduce the damage of the channel catfish during thawing, improve the quality stability of the thawed channel catfish, and has high thawing efficiency.

1. Name of the designed product: hair dryer (catfish). 2. Use of the designed product: for drying and styling hair. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application discloses a kind of catfish feed production drying device, belongs to fish feed drying technical field.A kind of catfish feed production drying device, including the air supply component for drying material and suspended material and the flow channel for material passing, further including the vibration component for assisting air supply component suspended material, the air supply component includes adjustable air supply component for pushing material to travel, hot air component for drying material and cold air component for cooling, the flow channel includes main flow channel and sorting flow channel;The application, by the air supply component of being set, can be used to suspend the drying of material, and the adjustable air supply component in air supply component pushes the movement of material, this setting can make the material with large water content move slowly, the material with small water content moves faster, in turn realizes different drying time, avoids excessive drying or not drying, to solve the problem that fish feed production drying process in prior art can easily cause uneven feed drying.

The invention relates to a water-carrying high-flux measurement method for phenotypic data of ictalurus punctatus based on image key point positioning. The method comprises the following steps: putting a transparent water box into a test box body; closing a door of the test box body, and adjusting the illumination intensity of a top light in the test box body; aligning a camera outside the test box body to the test box body, collecting image data of the test box body, and obtaining a proportion parameter according to the image data; putting the transparent water box in which the channel catfish is put into a test box body; closing the door of the test box body, aligning the camera with the ictalurus punctatus and collecting image samples of a side view and a top view of the ictalurus punctatus; and marking key points for the side view and the top view to obtain key point coordinate data, thereby obtaining the phenotype data of the ictalurus punctatus. The device has the beneficial effects that when an image sample of the ictalurus punctatus is collected, only two holes for camera shooting are formed in the test box body, so that external light rays can enter the test box body, the living environment of the ictalurus punctatus is simulated, the ictalurus punctatus is prevented from being frightened, the movement of the ictalurus punctatus is reduced, and the collected image sample is clearer.

This invention relates to the field of aquaculture technology, specifically to a highly efficient and large-scale artificial breeding method for *Catfish bream*. The method includes a seedling cultivation step; the water in the seedling tank is obtained by treating fresh aquaculture water with fertilization, and the water in the seedling tank contains initial feed for *Catfish bream* fry; the initial feed includes rotifers and cladocerans. The fertilization method involves: after filling the seedling tank with fresh aquaculture water, sprinkling soybean milk, a dispersion of bacterial and algal nutrient paste, and a dispersion of algal polypeptides onto the water surface, and then adding rotifers to the water in the seedling tank. This technical solution can solve the technical problems of existing artificial breeding techniques for *Catfish bream*, which have many weaknesses and cannot meet the demands of modern aquaculture for efficient, stable, and high-quality seedling production. This technical solution has the advantages of improving breeding efficiency, ensuring seedling quality, adapting to large-scale production, reducing costs, and being environmentally friendly, making it suitable for efficient and large-scale artificial breeding of *Catfish bream*.

The application provides a spotted seal catfish SNP molecular marker combination, a probe, a 50K liquid phase chip, a kit and application, and belongs to the technical field of gene chips.The GWAS site probe, the window method site probe, the gender site probe and the GWAS site sequence which cannot be designed are integrated to construct a complete initial probe library, and optimization is carried out, so that a spotted seal catfish SNP molecular marker combination including 53407 core target points is obtained.The 50K liquid phase chip prepared based on the core target points has high reliability (the core site detection rate reaches 98.21%) in actual application.The 50K liquid phase chip not only includes 53,407 core sites which are high in polymorphism and rich in function annotation, but also can capture a large number of flanking sites, and the total assessable sites are more than 126,000, so that the information flux and cost performance of detection are significantly improved, and a powerful tool is provided for molecular design breeding.

1. The name of the design product: turtle hook. 2. The use of the design product: used for fishing turtle, improve the efficiency and success rate of capture. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

This invention proposes a reef for overwintering giant spiny loach, comprising: a first reef tube, a second reef tube, a connecting plate, and a heating tube. The first and second reef tubes are parallel to each other and connected at both ends and in the middle by the connecting plate. The heating tube is installed along the length of the first and second reef tubes on their inner walls, and the inlet and outlet of the two heating tubes are connected by a connecting tube. This invention, by installing heating tubes in the first and second reef tubes, can heat the water inside and around the reef to meet the requirement of a water temperature above 15℃ for giant spiny loach overwintering. The heating tubes are heated by hot water provided by an air source heat pump water heater, avoiding direct contact between electrical wires and the water, reducing the risk of electric shock. The air source heat pump water heater has high thermal efficiency, reducing energy consumption and eliminating concerns about electric shock, thus meeting the needs of giant spiny loach for safe overwintering.

This invention discloses an adaptive positioning mechanism for the gill bleeding point of the channel catfish, comprising: a horizontal slider seat, which is connected to a driving component and moves back and forth under the drive of the driving component; a blade holder, which is slidably connected to the horizontal slider seat and can be adaptively adjusted relative to the horizontal slider seat, the sliding direction of the blade holder being perpendicular to the sliding direction of the horizontal slider seat; spring seats are fixedly connected to both sides of the horizontal slider seat; spring groups are connected to both sides of the blade holder; the left / right side of the blade holder is elastically connected to the left / right spring seats through the spring groups; and an adaptively adjustable blade module for piercing the fish body, the blade module being rotatably and movably connected to the blade holder. Using the solution of this invention, the problem of gill bleeding point identification and positioning in the prior art can be solved.

The present application relates to wastewater purification technical field, specifically to a kind of waste water of stink mandarin fish fermentation production circulation purification system and method thereof, including treatment pond, the treatment pond has the cavity with opening upwards, fixed mounting is installed in the cavity of the treatment pond, the cavity is divided into upper and lower two parts by partition, the surface of the partition is coaxially fixed and installed with microfiltration membrane, the surface of the treatment pond is rotatably connected with rotating shaft, the rotating shaft is coaxially movably penetrated microfiltration membrane, the surface of the rotating shaft is coaxially fixed and connected with shear blade, the gap between the shear blade and microfiltration membrane, the surface of the rotating shaft is coaxially fixed and connected with centrifugal flapper, the centrifugal flapper and shear blade are located in the upper part of the treatment pond cavity, the purpose of the present application is to solve the problem that traditional filter equipment handles colloid and is easy to gather on the surface of filter membrane and form filter cake layer, cause membrane flux to rapidly decline.