CN112889715B - A kind of device and method for preventing and treating amylobacteriasis of cross-banded beard bream - Google Patents

Abstract

The invention relates to a cultivation technology, in particular to a device and a method for preventing and treating a snout bream starch oothecium disease. A device for preventing and treat horizontal area porgy starch ootheca disease, including breeding the case, breeding the case and drawing together breed pond and new pond, it lifts by crane and shifts to the transfer device of new pond to all be provided with in pond and the new pond to be used for horizontal area porgy, transfer device is including dragging for the fish frame, elevating gear, be used for the drive to drag for fish frame side pivoted pivot and driving motor, drag for the fish frame and include the bottom plate, the top frame, with bottom plate side articulated baffle and fender net, the baffle is located the side that the new pond was kept away from to the bottom plate, the side that the baffle was kept away from to the top frame links to each other with the pivot, the both ends that the baffle was kept away from to the bottom plate one side all link to each other with elevating gear. The invention has the beneficial effects of effectively reducing the outbreak rate of the starch oothecium disease, improving the survival rate, avoiding the culture risk and the like.

Description

A device and method for preventing and treating amylobacteriasis

technical field

The invention relates to a breeding technique, in particular to a device and a method for preventing and treating the amylobacteriasis of the barbed bearded seabream.

Background technique

Hapalogenys mucronatus belongs to Perciformes, Pomadasyidae, and Hapalo genys. It is commonly known as copper basin fish and sixteen. It is mainly distributed in the west of the North Pacific Ocean, along the coast of China, It is distributed in the waters of Korea, Japan and the Philippines. Cross-banded bearded seabream has the advantages of delicious meat, high nutritional value, bright body color and high economic value. It is favored by consumers and fishing enthusiasts. It is a breeding species with high edible value and ornamental value. At the end of the last century, with the overfishing of fishery resources and the rapid development of the port-side industry, the wild resources of the barbed bearded seabream have dropped sharply. The current market is still in short supply and the price remains high. Due to the lack of wild resources and the difficulty in breeding broodstock, the artificial breeding of the barbed bearded seabream has been stagnant for a long time. In 2017, we began to collect live juveniles from the catches of shrimp tugboats, and tried to artificially breed the species by artificially domesticating wild juveniles into spawning broodstock. After nearly three years of domestication of wild seedlings, more than 500 spawning and backup broodstock were successfully domesticated for the first time. In 2020, the artificial breeding experiment of the cross-banded bearded bream was carried out, and hundreds of juvenile fish (about 10 cm) were bred that year. Although the number is small, a large amount of data and experience have been accumulated for further breakthroughs in artificial breeding .

However, in recent years, during the domestication of the broodstock of the cross-banded bearded seabream, disease problems have occurred from time to time, the most important of which is the amyloid dinoflagellate disease. The causative agent of amyloid dinoflagellate disease is the eye-spotted trichoflagellate. One end of the vegetative body has a rhizoid-like appendage. After maturity, the rhizoid retracts into the cell and becomes a cyst and falls off; it mainly parasitizes the horizontal mustache Sea bream gills, skin and fins and other parts. In the initial stage, the diseased fish have reduced food intake, abnormal swimming, and rapid breathing. In severe cases, they stop feeding, and the mucus on the body surface increases. The vegetative body of the amylopectin dinoflagellate. The disease is mainly prevalent in summer and autumn, and it is very easy to erupt at 23-27°C. The disease is transmitted quickly and has a high fatality rate. If the prevention and control is not timely, it can cause 100% death of fish.

Contents of the invention

The present invention mainly aims at the above-mentioned problems, and provides a device and method for preventing and treating amylodinophyllosis of the bearded bearded seabream, which can effectively reduce the outbreak rate of amylodromycin, increase the survival rate, and avoid breeding risks.

The purpose of the present invention is mainly achieved by the following scheme: a device for preventing and treating amylophyllous dinoflagellates, comprising a culture box, and said culture box includes a culture pond and a new water pond, a culture pond and a new water pond. The new pools are all equipped with a transfer device for hoisting and transferring the cross-banded mustache to the new pool. The transfer device includes a fishing frame, a lifting device, a rotating shaft for driving the fishing frame to rotate sideways, and a rotating shaft for driving the rotating shaft. The fish fishing frame includes a base plate, a top frame, a baffle plate hinged to one side of the base plate and a baffle net surrounding the edge of the bottom plate and the edge of the top frame, the baffle plate is located on the side of the base plate away from the new pool, and The side of the frame away from the baffle is connected with the rotating shaft, and the two ends of the side of the bottom plate away from the baffle are connected with the lifting device. The breeding box includes a breeding pond and a new water pond, the breeding pond is used for culturing the barbed bearded bream, and the new water pond is mainly used when changing water or isolating the barbed bearded bream alone. The cross-striped bearded bream is cultured in the fishing frame of the transfer device. The fishing frame includes a bottom plate, a top frame, a baffle and a baffle net. When it is necessary to change the water in the culture pond, the lifting device drives the side of the bottom plate away from the baffle to move upwards. Since the bottom plate and the baffle are hinged, one side of the bottom plate gradually moves closer to the top frame and forms a triangular structure with the top frame and the baffle. The cross-banded mustaches are concentrated at the angle between the bottom plate and the baffle. Start the drive motor, the drive motor drives the rotating shaft to rotate, and then drives the top frame to rotate. The end of the bottom plate close to the baffle is turned up until the bottom plate is separated from the breeding pond. One side of the baffle plate is higher than the side of the base plate away from the baffle plate, and the barbed bearded bream slides into the new pond along the base plate. At this time, the vacant breeding pond can be sucked and changed for water. There is a transfer device with the same structure in the new pond, and after the water change in the culture pond is completed, the barbed bearded bream in the new pond can be transferred to the culture pond. The whole device is convenient for the transfer of the bearded bream, improves the transfer efficiency of the bearded bearded bream, and then improves the efficiency of water exchange and disinfection, reduces the outbreak rate of amyloidophytic dinoflagellates, improves the survival rate, and avoids breeding risks.

As a preference, the two ends of the bottom plate away from the baffle are provided with a positioning shaft, and a bearing sleeve is rotatably connected to the positioning shaft. The lifting chain meshed with the sprocket, one end of the lifting chain is fixed to the breeding box, and the other end is fixed to the bearing sleeve. There is a vertical slide rail for the bearing sleeve to slide up and down in the breeding box, and the jacking cylinder is fixed on the sliding rail. The top of the slide rail section is "concave" shape, the bearing sleeve is located in the groove of the slide rail, and the bottom of the groove of the slide rail is provided with a guide groove for the positioning shaft to penetrate and slide; the bottom plate includes a The filter screen and the base plate at the end away from the baffle plate are bent to form a chute. The filter screen is located in the chute and is slidably connected with the base plate; Hinge hole, the baffle is provided with a hinge shaft that fits with the hinge hole, the cross-sections of the hinge shaft and the hinge hole are both in the shape of "D"; the edge of the top frame is provided with a shaft sleeve, and the axis of the shaft sleeve is provided with a shaft hole, the shaft Located in the rotating shaft hole, the rotating shaft hole includes a driving section that matches the outer wall of the rotating shaft and a buffer groove section with a diameter larger than the driving section, a step limiter is formed between the buffer groove section and the driving section, and several The telescopic slot is slidably connected with a driving pin. A positioning shaft is arranged on the side of the bottom plate far away from the baffle, and a bearing sleeve is sleeved on the positioning shaft, and the bearing sleeve can rotate relative to the positioning shaft. The jacking cylinder is fixed on the slide rail. When the piston rod of the jacking cylinder moves upward, it can drive the sprocket to move upward. One end of the lifting chain matched with the sprocket is fixed on the breeding box, and the other end is fixed on the bearing sleeve. When the sprocket moves upward, it can drive the lifting chain to lift the bearing sleeve upward. At this time, the bearing sleeve slides upward along the slide rail, and then drives one side of the base plate to move upward. The bottom plate includes a base plate and a filter screen. The filter screen can slide in the chute formed by bending on both sides of the base plate. When one side of the base plate moves upward, the base plate and the filter screen are relatively translated and elongated to avoid interference. The side of the bottom plate close to the baffle is hinged with the hinge shaft on the baffle through the hinge sleeve. The hinge hole and the hinge shaft section in the hinge sleeve are both in the shape of "D". When the bottom plate and the baffle rotate relatively, the hinge shaft and the hinge The frictional force of relative rotation of the sleeve realizes setting. Start the drive motor to drive the top frame to rotate, and then drive the bottom plate to turn over. Since the cross-banded mustard is mainly concentrated between the filter screen and the baffle, when the base plate and the filter leave the water surface of the aquaculture pond, the filter can put the cross-banded mustard on the water surface. Filter the water into the breeding pond to avoid too much water with germs entering the new pond following the cross-banded mustache. The base plate can enhance the structural strength of the entire bottom plate and avoid deformation of the bottom plate. A plurality of telescopic slots are set in the radial direction of the rotating shaft. When the driving motor drives the rotating shaft to rotate, the driving pin that rotates to the bottom of the rotating shaft falls to the position of the buffer groove section at the rotating shaft hole due to its own gravity. When the driving pin touches the step limit When it is at the bottom, the driving pin can drive the rotating shaft sleeve to rotate. When the driving pin drives the rotating shaft sleeve to rotate above the rotating shaft, the driving pin will fall into the telescopic groove under the action of gravity. At this time, the rotating shaft sleeve loses the power to rotate and reverses. During the reversing process, the rotating shaft is still rotating, and the driving pin rotated to the bottom of the rotating shaft falls from the telescopic groove to the position of the buffer groove section and abuts against the step limiter, and then continues to drive the rotating shaft sleeve to rotate. Therefore, in the process of driving the rotating shaft to rotate by the driving motor, the intermittent driving and intermittent reversal of the rotating shaft sleeve can be realized along with the expansion and contraction of the driving pin on the rotating shaft, and the small-scale intermittent shaking of the bottom plate can be realized in the process of driving and reversing. Shake off any water adhering to the soleplate.

As a preference, a divider is arranged inside the culture box, and the culture pond and the new water pool are separated by the divider. The aquaculture box is divided into a culture pond and a new water pond through a partition to realize the separation of new water and aquaculture water.

Preferably, both the culture pond and the new pond are provided with water inlets and water outlets.

As preferably, the side walls of the culture pond and the new pond are all conical surfaces with a large upper part and a smaller lower part, and the top edges of the culture pond and the new pond are surrounded by cleaning pipes for injecting sodium hypochlorite disinfection solution, and the cleaning pipes are provided with liquid outlets at intervals . Sodium hypochlorite disinfection solution is injected into the cleaning pipe, and the sodium hypochlorite disinfection solution can be discharged along the liquid outlet hole on the cleaning pipe to clean and disinfect the inner side walls of the breeding pond and the new pond.

The preparation and disinfection stage of the breeding pond: Disinfect the sodium hypochlorite solution along the wall of the pond and flow down the entire breeding pond, then add 10-15cm of seawater, control the concentration of the sodium hypochlorite solution above 300-400 ppm, and soak the breeding tools in high-concentration sodium hypochlorite solution, soaking time is 6-12 h;

Disinfection stage of farming tools: In addition to soaking farming tools in 300-400 ppm sodium hypochlorite solution for disinfection, put the farming tools in 150 L of fresh water plus 300-400 ppm sodium hypochlorite solution for disinfection once every 3-5 days, and then use fresh water Rinse clean, dry for later use, and rinse with fresh water after each use, and dry for later use;

Prevention stage: (1) In terms of breeding density, when the body weight of the barbed sea bream is about 300-500 g, the density is controlled at 10-15 tails/m ³ ; when the body weight is about 150 g-300 g, the density is controlled at 15- 25 tails/m ³ ; when the body weight is about 50-150g, control the density at 25-30 tails/m ³ ; (2) In terms of sewage suction and water exchange, the breeding water is natural seawater after dark sedimentation and sand filtration. Absorb the bottom dirt and change the water once in the afternoon and afternoon, and the water change volume is about 80% each time. During the breeding period, the aeration micro-flow water culture, the water flow speed is generally 15-20 L/min, and the total daily water change volume is maintained at more than 300%; (3) In terms of feeding, when feeding, first soak the bait in fresh water for 5min-10min, and then mix in 2-4% vitamin C, 1-2% vitamin E and 6-8% immune polysaccharides. Feed once, and the daily feeding amount accounts for about 1-3% of the fish's body weight. Among them, the morning feeding amount accounts for 40%-50% of the daily feeding amount, and the evening feeding amount accounts for 50%-60%; (4) Regular physical examination.

As a preference, in the preventive stage (2) in terms of sewage suction and water exchange, start the jacking cylinder, which drives the sprocket to move upward, and uses the lifting chain to drive the bearing sleeve to slide upward in the slide rail, and then drives the bottom plate away from the baffle One side moves upwards in an inclined shape, the top frame, baffle and bottom plate are in a triangular shape, and the cross-banded mustaches are concentrated at the angle between the bottom plate and the baffle; start the drive motor, the drive motor drives the top frame to rotate, and the bottom plate is close to the baffle Flip up the side of the barbed beard and lift it away from the breeding pond. When the side of the bottom plate close to the baffle is higher than the side of the bottom plate away from the baffle, the barbed beard slides along the bottom plate towards the direction of the new pond and enters New pond: Change the water in the vacant breeding pond. After the water change is over, use the transfer device with the same structure in the new pond to transfer the bearded bream in the new pond to the breeding pond to complete the water change.

Therefore, the present invention is used for the device and the method of prevention and treatment of amylophytic dinoflagellates of cross-banded mustaches and has the following advantages: the whole device is convenient for the transfer of the cross-banded mustaches, improves the transfer efficiency of the cross-banded mustaches, and then improves the water exchange rate. , Disinfection efficiency, reducing the outbreak rate of amyloid dinoflagellates, improving the survival rate, and avoiding the risk of breeding.

Description of drawings

Accompanying drawing 1 is a kind of structural representation of the present invention;

Accompanying drawing 2 is the structural representation after one side of bottom plate of the present invention moves up;

Accompanying drawing 3 is the structure schematic diagram after the bottom plate of the present invention is turned over;

Accompanying drawing 4 is the structural representation of slide rail place among the present invention;

Accompanying drawing 5 is the structural representation of bottom plate place in the present invention;

Accompanying drawing 6 is the sectional view of the joint of the rotating shaft and the rotating shaft sleeve.

Illustration: 1-breeding pond, 2-new pool, 3-top frame, 4-baffle plate, 5-bottom plate, 6-positioning shaft, 7-bearing sleeve, 8-jacking cylinder, 9-sprocket, 10 -lifting chain, 11-drive motor, 12-slide rail, 13-guide groove, 14-base plate, 15-filter, 16-hinge sleeve, 17-rotating shaft, 18-rotating shaft sleeve, 19-driving section, 20- Buffer slot section, 21-telescopic slot, 22-drive pin, 23-step limiter.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment 1: as shown in Figure 1, 2, 3, 4, 5, 6, a kind of device that is used for the prevention and treatment of amylobacter dinoflagellates of cross-banded bearded bream comprises a culture box, and the culture box includes a culture pond 1 and a new pond 2. Both the breeding pond and the new pond are equipped with a transfer device for hoisting and transferring the cross-banded mustache to the new pond. The transfer device includes a fishing frame, a lifting device, and a rotating shaft 17 for driving the side of the fishing frame to rotate. And the driving motor 11 that is used to drive the rotation of the rotating shaft, the fishing frame includes a bottom plate 5, a top frame 3, a baffle plate 4 hinged to one side of the bottom plate and a baffle net that surrounds between the edge of the bottom plate and the edge of the top frame, and the baffle plate is located at The base plate is far away from the side of the new pool, the side of the top frame away from the baffle is connected with the rotating shaft, and the two ends of the side of the base far away from the baffle are connected with the lifting device. Both ends of the bottom plate away from the side of the baffle are provided with a positioning shaft 6 on which a bearing sleeve 7 is rotatably connected. The lifting device includes a jacking cylinder 8, a sprocket 9 arranged at the free end of the jacking cylinder and a The meshed lifting chain 10, one end of the lifting chain is fixed to the breeding box, and the other end is fixed to the bearing sleeve. A slide rail 12 for the bearing sleeve to slide up and down is vertically arranged in the breeding box, and the jacking cylinder is fixed on the slide rail. The top of the slide rail section is "concave" shape, the bearing sleeve is located in the groove of the slide rail, and the bottom of the groove of the slide rail is provided with a guide groove 13 for the positioning shaft to penetrate and slide; the bottom plate includes an end close to the baffle plate The filter screen 15 and the base plate 14 at one end away from the baffle plate are bent to form a chute, the filter screen is located in the chute and is slidably connected with the base plate; A hinge hole is provided at the axis, and a hinge shaft that fits with the hinge hole is provided on the baffle, and the sections of the hinge shaft and the hinge hole are both in the shape of a "D"; There is a rotating shaft hole, and the rotating shaft is located in the rotating shaft hole. The rotating shaft hole includes a driving section 19 matched with the outer wall of the rotating shaft and a buffer groove section 20 whose diameter is larger than that of the driving section. A step limiter 23 is formed between the buffer groove section and the driving section. The driving shaft A plurality of telescopic grooves 21 are arranged at the radial position, and a drive pin 22 is slidably connected in the telescopic grooves. A dividing plate is arranged in the breeding box, and the breeding pond and the new water pool are separated by the dividing plate. Water inlets and water outlets are all arranged on the breeding pond and the new water pond. The side walls of the culture pond and the new pond are all conical surfaces with a large upper part and a smaller one. The top edges of the culture pond and the new pond are surrounded by cleaning pipes for injecting sodium hypochlorite disinfection solution, and liquid outlet holes are arranged at intervals on the cleaning pipes.

The breeding box includes a breeding pond and a new water pond, the breeding pond is used for culturing the barbed bearded bream, and the new water pond is mainly used when changing water or isolating the barbed bearded bream alone. The cross-striped bearded bream is cultured in the fishing frame of the transfer device. The fishing frame includes a bottom plate, a top frame, a baffle and a baffle net. When it is necessary to change the water in the culture pond, the lifting device drives the side of the bottom plate away from the baffle to move upwards. Since the bottom plate and the baffle are hinged, one side of the bottom plate gradually moves closer to the top frame and forms a triangular structure with the top frame and the baffle. The cross-banded mustaches are concentrated at the angle between the bottom plate and the baffle. Start the drive motor, the drive motor drives the rotating shaft to rotate, and then drives the top frame to rotate. The end of the bottom plate close to the baffle is turned up until the bottom plate is separated from the breeding pond. One side of the baffle plate is higher than the side of the base plate away from the baffle plate, and the barbed bearded bream slides into the new pond along the base plate. At this time, the vacant breeding pond can be sucked and changed for water. There is a transfer device with the same structure in the new pond, and after the water change in the culture pond is completed, the barbed bearded bream in the new pond can be transferred to the culture pond. The whole device is convenient for the transfer of the bearded bream, improves the transfer efficiency of the bearded bearded bream, and then improves the efficiency of water exchange and disinfection, reduces the outbreak rate of amyloidophytic dinoflagellates, improves the survival rate, and avoids breeding risks. A positioning shaft is arranged on the side of the bottom plate far away from the baffle, and a bearing sleeve is sleeved on the positioning shaft, and the bearing sleeve can rotate relative to the positioning shaft. The jacking cylinder is fixed on the slide rail. When the piston rod of the jacking cylinder moves upward, it can drive the sprocket to move upward. One end of the lifting chain matched with the sprocket is fixed on the breeding box, and the other end is fixed on the bearing sleeve. When the sprocket moves upward, it can drive the lifting chain to lift the bearing sleeve upward. At this time, the bearing sleeve slides upward along the slide rail, and then drives one side of the base plate to move upward. The bottom plate includes a base plate and a filter screen. The filter screen can slide in the chute formed by bending on both sides of the base plate. When one side of the base plate moves upward, the base plate and the filter screen are relatively translated and elongated to avoid interference. The side of the bottom plate close to the baffle is hinged with the hinge shaft on the baffle through the hinge sleeve. The hinge hole and the hinge shaft section in the hinge sleeve are both in the shape of "D". When the bottom plate and the baffle rotate relatively, the hinge shaft and the hinge The frictional force of relative rotation of the sleeve realizes setting. Start the drive motor to drive the top frame to rotate, and then drive the bottom plate to turn over. Since the cross-banded mustard is mainly concentrated between the filter screen and the baffle, when the base plate and the filter leave the water surface of the aquaculture pond, the filter can put the cross-banded mustard on the water surface. Filter the water into the breeding pond to avoid too much water with germs entering the new pond following the cross-banded mustache. The base plate can enhance the structural strength of the entire bottom plate and avoid deformation of the bottom plate. A plurality of telescopic slots are set in the radial direction of the rotating shaft. When the driving motor drives the rotating shaft to rotate, the driving pin that rotates to the bottom of the rotating shaft falls to the position of the buffer groove section at the rotating shaft hole due to its own gravity. When the driving pin touches the step limit When it is at the bottom, the driving pin can drive the rotating shaft sleeve to rotate. When the driving pin drives the rotating shaft sleeve to rotate above the rotating shaft, the driving pin will fall into the telescopic groove under the action of gravity. At this time, the rotating shaft sleeve loses the power to rotate and reverses. During the reversing process, the rotating shaft is still rotating, and the driving pin rotated to the bottom of the rotating shaft falls from the telescopic groove to the position of the buffer groove section and abuts against the step limiter, and then continues to drive the rotating shaft sleeve to rotate. Therefore, in the process of driving the rotating shaft to rotate by the driving motor, the intermittent driving and intermittent reversal of the rotating shaft sleeve can be realized along with the expansion and contraction of the driving pin on the rotating shaft, and the small-scale intermittent shaking of the bottom plate can be realized in the process of driving and reversing. Shake off any water adhering to the soleplate. The sodium hypochlorite disinfection solution is injected into the cleaning pipe, and the sodium hypochlorite disinfection solution can be discharged along the liquid outlet hole on the cleaning pipe to clean and disinfect the inner side walls of the breeding pond and the new pond.

The preparation and disinfection stage of the breeding pond: Disinfect the sodium hypochlorite solution along the wall of the pond and flow down the entire breeding pond, then add 10-15cm of seawater, control the concentration of the sodium hypochlorite solution above 300-400 ppm, and soak the breeding tools in high-concentration sodium hypochlorite solution, soaking time is 6-12 h;

Disinfection stage of farming tools: In addition to soaking farming tools in 300-400 ppm sodium hypochlorite solution for disinfection, put the farming tools in 150 L of fresh water plus 300-400 ppm sodium hypochlorite solution for disinfection once every 3-5 days, and then use fresh water Rinse clean, dry for later use, and rinse with fresh water after each use, and dry for later use;

Prevention stage: (1) In terms of breeding density, when the body weight of the barbed sea bream is about 300-500 g, the density is controlled at 10-15 tails/m ³ ; when the body weight is about 150 g-300 g, the density is controlled at 15- 25 tails/m ³ ; when the body weight is about 50-150g, control the density at 25-30 tails/m ³ ; (2) In terms of sewage suction and water exchange, the breeding water is natural seawater after dark sedimentation and sand filtration. Absorb the bottom dirt and change the water once in the afternoon and afternoon, and the water change volume is about 80% each time. During the breeding period, the aeration micro-flow water culture, the water flow speed is generally 15-20 L/min, and the total daily water change volume is maintained at more than 300%; (3) In terms of feeding, when feeding, first soak the bait in fresh water for 5min-10min, and then mix in 2-4% vitamin C, 1-2% vitamin E and 6-8% immune polysaccharides. Feed once, and the daily feeding amount accounts for about 1-3% of the fish's body weight. Among them, the morning feeding amount accounts for 40%-50% of the daily feeding amount, and the evening feeding amount accounts for 50%-60%; (4) Regular physical examination.

In the preventive stage (2) in terms of sewage suction and water change, start the jacking cylinder, and the jacking cylinder drives the sprocket to move upward, and uses the lifting chain to drive the bearing sleeve to slide upward in the slide rail, and then drives the side of the bottom plate away from the baffle upward The movement is inclined, the top frame, the baffle and the bottom plate are in a triangular shape, and the cross-banded mustaches are concentrated at the angle between the bottom plate and the baffle; start the drive motor, and the drive motor drives the top frame to rotate, and the bottom plate is close to the side of the baffle Flip upwards, lift the barbed bream and keep it away from the breeding pond. When the side of the bottom plate close to the baffle is higher than the side of the bottom plate away from the baffle, the barbed bream slides along the bottom plate towards the direction of the new pool and enters the new pool; Carry out water change to the vacant culture pond, after the water change is finished, utilize the transfer device of the same structure in the new pond to transfer the bearded bream in the new pond to the culture pond, and complete the water change.

It should be understood that this embodiment is only used to illustrate the present invention and is not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims (6)

1. a kind of device that is used for the prevention and treatment of amylophytic dinoflagellates of cross-banded bearded sea bream, comprises culture box, is characterized in that, described culture box comprises culture pond and new pond, all is provided with in the culture pond and new pond for the A transfer device for hoisting and transferring to a new pond. The transfer device includes a fishing frame, a lifting device, a rotating shaft for driving one side of the fishing frame and a drive motor for driving the rotating shaft. The fishing frame includes Bottom plate, top frame, baffle plate hinged with one side of the bottom plate and a baffle net surrounding between the edge of the bottom plate and the edge of the top frame, the baffle plate is located on the side of the bottom plate away from the new pool, and the side of the top frame away from the baffle plate is connected to the The rotating shafts are connected, and the two ends of the bottom plate away from the baffle are connected with the lifting device. The two ends of the bottom plate away from the baffle are provided with positioning shafts, and the positioning shafts are rotatably connected with bearing sleeves. The lifting device includes: Jacking cylinder, the sprocket wheel that is arranged on the free end of jacking cylinder and the lifting chain that meshes with sprocket, one end of lifting chain is fixed with breeding box, and the other end is fixed with bearing sleeve, and vertically is provided with in the breeding box for The slide rail for the bearing sleeve to slide up and down. The jacking cylinder is fixed on the top of the slide rail. The cross section of the slide rail is in the shape of "concave". The guide groove through which the positioning shaft passes and slides; the bottom plate includes a filter screen near the end of the baffle and a base plate away from the end of the baffle. One side of the baffle is provided with a hinged sleeve, and the axis of the hinged sleeve is provided with a hinged hole, and the baffle is provided with a hinged shaft that fits with the hinged hole. The sections of the hinged shaft and the hinged hole are both in the shape of "D"; A rotating shaft sleeve is provided, and a rotating shaft hole is arranged at the axis of the rotating shaft sleeve, and the rotating shaft is located in the rotating shaft hole. The rotating shaft hole includes a driving section matched with the outer wall of the rotating shaft and a buffer groove section whose diameter is larger than that of the driving section. Between the buffer groove section and the driving section A step limiting part is formed, and a plurality of telescopic slots are arranged at the radial position of the driving shaft, and a driving pin is slidably connected to the telescopic slots. 2. a kind of device that is used for the prevention and treatment of amylophytic dinoflagellates according to claim 1, is characterized in that, divider is provided with in described culture box, culture pool and new pool are separated by divider . 3. a kind of device that is used for the prevention and treatment of amylophytic dinoflagellates of barbed bearded seabream according to claim 1, is characterized in that, water inlet and water outlet are all provided with on culture pond and new pond. 4. a kind of device that is used for the prevention and treatment of the flat bearded bream amyloid dinoflagellate according to claim 1 is characterized in that, the side walls of the culture pond and the new pond are all conical surfaces with a large upper part and a smaller lower part, and the culture pond A cleaning pipe for injecting sodium hypochlorite disinfection solution is arranged around the top edge of the new pool, and liquid outlet holes are arranged at intervals on the cleaning pipe. 5. a method for the prevention and treatment of the device for the prevention and treatment of amylophytic dinoflagellate as described in any one of claims 1 to 4, it is characterized in that, the steps are as follows: The preparation and disinfection stage of the breeding pond: Disinfect the sodium hypochlorite solution along the wall of the pond and flow down the entire breeding pond, then add 10-15cm of seawater, control the concentration of the sodium hypochlorite solution above 300-400 ppm, and soak the breeding tools in high-concentration sodium hypochlorite solution, soaking time is 6-12 h; Disinfection stage of farming tools: In addition to soaking farming tools in 300-400 ppm sodium hypochlorite solution for disinfection, put the farming tools in 150 L of fresh water plus 300-400 ppm sodium hypochlorite solution for disinfection once every 3-5 days, and then use fresh water Rinse clean, dry for later use, and rinse with fresh water after each use, and dry for later use; Prevention stage: (1) In terms of breeding density, when the body weight of the barbed sea bream is 300-500 g, the density is controlled at 10-15 fish/m ³ ; when the body weight is 150 g-300 g, the density is controlled at 15-25 fish /m ³ ; when the body weight is 50-150g, the density is controlled at 25-30 tails/m ³ ; (2) In terms of sewage suction and water exchange, the water for breeding is natural seawater after dark sedimentation and sand filtration, and the morning and afternoon are respectively Absorb the dirt at the bottom and change the water once, with 80% of the water changed each time. During the breeding period, the aerated micro-flow water culture, the water speed is generally 15-20 L/min, and the total daily water change is maintained at more than 300%; (3) Throwing In terms of feeding, when feeding, first soak the bait in fresh water for 5min-10min, then mix in 2-4% vitamin C, 1-2% vitamin E and 6-8% immune polysaccharide, and feed once a day in the morning and evening. The daily feeding amount accounts for 1-3% of the fish's body weight, among which, the morning feeding amount accounts for 40%-50% of the daily feeding amount, and the evening feeding amount accounts for 50%-60%; (4) Regular physical examination. 6. The method according to claim 5, characterized in that, in the preventive stage (2) in terms of sewage suction and water exchange, the jacking cylinder is started, and the jacking cylinder drives the sprocket to move upwards, and the lifting chain is used to drive the bearing sleeve on the slide. Slide upwards in the rail, and then drive the side of the bottom plate far away from the baffle to move upwards in an inclined shape. The top frame, baffle and bottom plate are in a triangle shape, and the horizontal stripes are concentrated at the angle between the bottom plate and the baffle; start the drive motor , the drive motor drives the top frame to rotate, the side of the bottom plate close to the baffle is turned upwards, and the cross-banded mustache is lifted away from the breeding pond. When the side of the bottom plate close to the baffle is higher than the side of the bottom plate away from the baffle, the horizontal The mustard bream slides along the bottom plate towards the new pond and enters the new pond; the vacant breeding pond is changed for water. After the water change is completed, the bearded seabream in the new pond is transferred to the new pond with the transfer device of the same structure. In the pool, complete the water change.

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