CN112889715B - Device and method for preventing and treating oviparous disease of snout bream starch - Google Patents
Device and method for preventing and treating oviparous disease of snout bream starch Download PDFInfo
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- CN112889715B CN112889715B CN202110061597.0A CN202110061597A CN112889715B CN 112889715 B CN112889715 B CN 112889715B CN 202110061597 A CN202110061597 A CN 202110061597A CN 112889715 B CN112889715 B CN 112889715B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/13—Prevention or treatment of fish diseases
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/045—Filters for aquaria
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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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
Technical Field
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.
Background
Horizontal band moustache(s) (sea bream)Hapalogenys mucronatus) Belonging to Perciforms, paralichthys, pomadasyideae, and Musca genus, commonly known as Pacific pisciosa and sixteen mustaceae, are mainly distributed in the western North Pacific region, where coastal, korean, japanese, and Philippine sea areas are distributed. The horizontal mustache has the advantages of delicious meat, high nutritional value, bright body color, high economic value and the like, is favored by consumers and fishing lovers, and is an increasing breeding variety with higher edible value and ornamental value. At the end of the last century, with the over-fishing of fishery resources and the rapid development of the harboring industry, the amount of wild resources of the oplegnathus fasciatus is greatly reduced, so that the wild resources of the oplegnathus fasciatus still can not be demanded in the market at present, and the price is high. Because of lack of wild resources, difficulty in breeding parent fish, etc., artificial breeding of lateral stripe muskrat is in a stagnant state for a long time. In 2017, living young Lucisus fasciatus fish was collected from the fish catch of a shrimp towing boat, and artificial breeding of the variety was attempted by artificially acclimatizing the wild young fish to a spawning parent fish. Through the domestication of wild seedlings for nearly three years, the domestication of spawning and replacement of more than 500 tails of parents is successfully carried out for the first time. 202An artificial breeding test of the red sea bream was carried out in 0 year, and hundreds of young fish (about 10 cm) of the first generation were cultivated in the same year, but a large amount of data and experience were accumulated for further breaking through the artificial breeding of the red sea bream.
However, in recent years, diseases have occurred during domestication of parent fish of snout bream, of which the most prominent is amyloidomycosis. The pathogeny of the starch ovine dinoflagellate is the eyespot starch oothrospira, one end of a nutrient body of the corn rootworm is provided with an attachment device with a rhizoid bulge, and the rhizoid shrinks back into cells after being mature to become cysts and fall off; it is mainly parasitic on gill, skin and fin of snout bream. The ingestion of diseased fish is reduced in the initial stage, the swimming is abnormal, the breathing is accelerated, the ingestion is stopped in severe cases, the body surface mucus is increased, small white spots can be seen on the body surface and fins, and a large amount of opaque and motionless starch oodinoflagellate trophozoite can be seen by microscopic examination of gill filaments or body surface mucus. The disease is mainly popular in summer and autumn, is easy to outbreak at 23-27 ℃, has high infection speed and high fatality rate, and can cause 100 percent of fish bodies to die if the disease is not prevented and controlled in time.
Disclosure of Invention
The present invention mainly aims at the above problems, and provides a device and a method for preventing and treating the starch ootheca disease of the bream with snout bream, which can effectively reduce the outbreak rate of the starch ootheca disease, increase the survival rate and avoid the cultivation risk.
The purpose of the invention is mainly realized by the following scheme: the utility model provides a device for preventing and treat horizontal area porgy starch ootheca disease, including breeding the case, breeding the case and including breeding pond and new pond, all be provided with in breeding pond and the new pond and be used for lifting by crane horizontal area porgy and to the transfer device of new pond transfer, transfer device is including dragging for the fish frame, elevating gear, be used for driving to drag for fish frame side pivoted pivot and be used for driving the rotatory driving motor of pivot, it includes the bottom plate to drag for the fish frame, the top frame, with bottom plate side articulated baffle and around at bottom plate edge and top frame edge between keep off the net, the baffle is located the side that the new pond was kept away from to the bottom plate, the one side that the baffle was kept away from to the top frame links to each other with the pivot, the both ends that the one side of baffle was kept away from to the bottom plate all link to each other with elevating gear. The cultivation box includes a cultivation pond for cultivating the snout bream and a new water pond mainly used for changing water or isolating the snout bream separately. The horizontal snout porgy is cultured in a fish catching frame in the transfer device, the fish catching frame comprises a bottom plate, a top frame, a baffle plate and a blocking net, and the baffle plate and the blocking net are enclosed into a frame-shaped structure and are surrounded between the bottom plate and the top frame. When the water needs to be changed for the culture pond, the lifting device drives one side of the bottom plate, which is far away from the baffle, to move upwards, and as the bottom plate is hinged with the baffle, one side of the bottom plate gradually draws close towards the top frame and forms a triangular structure with the top frame and the baffle, and the horizontal porgy is concentrated at an included angle between the bottom plate and the baffle. The drive motor is started, the drive motor drives the rotating shaft to rotate, then the top frame is driven to rotate, one end, close to the baffle, of the bottom plate is upwards overturned to the bottom plate to be separated from the culture pond, the horizontal mustache is lifted and kept away from the culture pond, along with the continuous overturning of the bottom plate, one side, close to the baffle, of the bottom plate is higher than one side, far away from the baffle, the horizontal mustache slides into a new water pond along the bottom plate, and at the moment, sewage suction and water replacement can be carried out on the vacant culture pond. The new water pool is provided with a transfer device with the same structure, and after the water in the culture pool is changed, the snout breams in the new water pool can be transferred to the culture pool. The whole device is convenient for transferring the snout bream, improves the transferring efficiency of the snout bream, further improves the water changing and sterilizing efficiency, reduces the outbreak rate of the amylooococcosis, improves the survival rate and avoids the cultivation risk.
Preferably, both ends of one side of the bottom plate, which is far away from the baffle plate, are provided with positioning shafts, bearing sleeves are rotatably connected to the positioning shafts, the lifting device comprises a jacking cylinder, a chain wheel arranged at the free end of the jacking cylinder and a lifting chain meshed with the chain wheel, one end of the lifting chain is fixed with the breeding box, the other end of the lifting chain is fixed with the bearing sleeves, a sliding rail for the bearing sleeves to slide up and down is vertically arranged in the breeding box, the jacking cylinder is fixed at the top end of the sliding rail, the cross section of the sliding rail is in a concave shape, the bearing sleeves are positioned in grooves of the sliding rail, and guide grooves for the positioning shafts to penetrate through and slide are arranged at the bottoms of the grooves of the sliding rail; the bottom plate comprises a filter screen close to one end of the baffle and a base plate far away from one end of the baffle, the two side edges of the base plate are bent to form a chute, and the filter screen is positioned in the chute and is connected with the base plate in a sliding manner; a hinge sleeve is arranged on one side of the bottom plate close to the baffle, a hinge hole is arranged on the axis of the hinge sleeve, a hinge shaft in clearance fit with the hinge hole is arranged on the baffle, and the cross sections of the hinge shaft and the hinge hole are D-shaped; the top frame edge is provided with the pivot cover, and the axis department of pivot cover is provided with the pivot hole, and the pivot is located the pivot downthehole, and the pivot hole includes the buffer slot section that is greater than the drive section with pivot outer wall matched with drive section and diameter, forms the spacing portion of step between buffer slot section and the drive section, and the radial position of drive shaft is provided with the flexible groove of a plurality of, and flexible inslot sliding connection has the drive round pin. One side of the bottom plate far away from the baffle is provided with a positioning shaft, and a bearing sleeve is sleeved on the positioning shaft and can rotate relative to the positioning shaft. The jacking cylinder is fixed on the slide rail, and when the piston rod upward movement of jacking cylinder, can drive the sprocket rebound, the complex on the sprocket is carried and is carried chain one end and fix on breeding the case, and the other end is fixed on the bearing housing, when the sprocket rebound, can drive and carry the chain and upwards promote the bearing housing, and at this moment, the bearing housing upwards slides along the slide rail, and then drives one side rebound of bottom plate. The bottom plate includes base plate and filter screen, and the filter screen can slide in the spout that the base plate both sides formed of bending, and when one side upward movement of bottom plate, base plate and filter screen translation relatively elongated avoid causing the interference. One side of the bottom plate close to the baffle is hinged with the hinged shaft on the baffle through the hinged sleeve, the hinged hole in the hinged sleeve and the section of the hinged shaft are both in a D shape, and when the bottom plate and the baffle rotate relatively, the shaping is realized by the friction force of the relative rotation of the hinged shaft and the hinged sleeve. The start-up driving motor drives the top frame to rotate and further drives the bottom plate to turn, because the horizontal snout bream is mainly concentrated between the filter screen and the baffle, when the base plate and the filter screen leave the water surface of the culture pond, the filter screen can filter the water on the horizontal snout bream into the culture pond, and the excessive water with germs is prevented from entering a new water pond along with the horizontal snout bream. The base plate can strengthen the structural strength of the whole bottom plate, and the deformation of the bottom plate is avoided. Set up a plurality of flexible grooves on the radial direction of pivot, when driving motor drives the pivot rotatory, it falls to the buffer slot section position of pivot hole department because of self gravity to rotate the drive pin to the pivot below, when the drive pin supports and leans on in the spacing department of step, the drive pin can drive the pivot cover and rotate, when the drive pin drives the pivot cover and rotates to the pivot top, the drive pin receives the action of gravity and falls to flexible inslot, at this moment, the pivot cover loses pivoted power and takes place the reversal, at the in-process of reversal, the pivot is still rotating, the drive pin that rotates to the pivot below falls to buffer slot section position and supports and leans on in the spacing department of step from flexible inslot, resume to drive the pivot cover and rotate. Therefore, in the process that the driving motor drives the rotating shaft to rotate, the intermittent driving and the intermittent reversing of the rotating shaft sleeve are realized along with the extension and retraction of the driving pin on the rotating shaft, the small-amplitude intermittent shaking of the bottom plate is realized in the driving and reversing process, and the water adhered to the bottom plate can be shaken off.
Preferably, a partition plate is arranged in the culture box, and the culture pond and the new water pond are separated by the partition plate. The breeding tank is divided into a breeding pond and a new water pond by the partition plate, and the separation of new water and breeding water is realized.
Preferably, the culture pond and the new water pond are both provided with a water inlet and a water outlet.
Preferably, the side walls of the culture pond and the new water tank are conical surfaces with large upper parts and small lower parts, the top edges of the culture pond and the new water tank are provided with cleaning pipes for injecting sodium hypochlorite disinfection solution in a surrounding mode, and liquid outlet holes are formed in the cleaning pipes at intervals. The intraductal injection sodium hypochlorite disinfection solution that washs, sodium hypochlorite disinfection solution can be discharged and to the inside wall cleaning and disinfection of breeding pond and new pond along the play liquid hole on the purge tube.
Preparing and disinfecting the culture pond: allowing a sodium hypochlorite disinfection solution to flow along the upper edge of the wall of the whole culture pond, adding 10-15 cm of seawater, controlling the concentration of the sodium hypochlorite solution to be more than 300-400 ppm, and soaking the culture tool in the high-concentration sodium hypochlorite solution for 6-12 h;
a culture tool disinfection stage: soaking the culture tool in 300-400 ppm sodium hypochlorite solution for disinfection, placing the culture tool in 150L fresh water and 300-400 ppm sodium hypochlorite solution for disinfection for 1 time every 3-5 days, washing with fresh water, and air-drying for later use, wherein the culture tool is washed with fresh water and air-dried for later use after each use;
a prevention stage: (I) in the cultivation density, when the mass of the lateral bed moustache sea bream is about 300-500 g, the density is controlled at 10-15 parts/m 3 (ii) a When the body mass is about 150g-300 g, the density is controlled to be 15-25 tails/m 3 (ii) a When the body mass is about 50-150g, the density is controlled to be 25-30 tails/m 3 (ii) a In the aspect of sewage suction and water change, the culture water is natural seawater subjected to dark sedimentation and sand filtration, bottom sewage is sucked and changed for 1 time in the morning and afternoon, the water change amount is about 80 percent each time, aeration micro-flow culture is carried out during the culture period, the flowing speed is generally 15-20L/min, and the total daily water change amount is maintained to be more than 300 percent; in the feeding aspect, bait is soaked in fresh water for 5-10 min, then 2-4% of vitamin C, 1-2% of vitamin E and 6-8% of immune polysaccharide are added, the bait is fed once in the morning and at night every day, the daily feeding amount accounts for 1-3% of the weight of the fish, wherein the morning feeding amount accounts for 40-50% of the daily feeding amount, and the evening feeding amount accounts for 50-60%; (IV) regular physical examination.
Preferably, in the aspect of sewage suction and water change in the second prevention stage, the jacking cylinder is started, drives the chain wheel to move upwards, drives the bearing sleeve to slide upwards in the sliding rail by using the lifting chain, further drives one side of the bottom plate, which is far away from the baffle, to move upwards in an inclined shape, the top frame, the baffle and the bottom plate are triangular, and the porgy with horizontal bands is concentrated at the included angle position between the bottom plate and the baffle; starting a driving motor, wherein the driving motor drives the top frame to rotate, one side of the bottom plate close to the baffle is turned upwards, the lateral mustache is lifted and is away from the culture pond, and when one side of the bottom plate close to the baffle is higher than one side of the bottom plate away from the baffle, the lateral mustache slides along the bottom plate towards the new water pond and enters the new water pond; and (3) changing water for the vacant culture pond, and after the water changing is finished, transferring the snout breams in the new pond into the culture pond by using a transfer device with the same structure in the new pond to finish the water changing.
Therefore, the device and the method for preventing and treating the Oomycinia rhabdosarba starch ootheca disease have the following advantages: the whole device is convenient for transferring the snout bream, improves the transferring efficiency of the snout bream, further improves the water changing and sterilizing efficiency, reduces the outbreak rate of the amylooococcosis, improves the survival rate and avoids the cultivation risk.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention after one side of the base plate is moved up;
FIG. 3 is a schematic structural view of the base plate of the present invention after being turned over;
FIG. 4 is a schematic structural view of the slide rail of the present invention;
FIG. 5 is a schematic view of the structure at the base plate of the present invention;
fig. 6 is a sectional view of the fitting portion of the rotary shaft and the rotary shaft sleeve.
Illustration of the drawings: 1-culture pond, 2-new pond, 3-top frame, 4-baffle, 5-bottom plate, 6-positioning shaft, 7-bearing sleeve, 8-jacking cylinder, 9-chain wheel, 10-lifting chain, 11-driving motor, 12-sliding rail, 13-guiding groove, 14-base plate, 15-filtering net, 16-hinging sleeve, 17-rotating shaft, 18-rotating shaft sleeve, 19-driving section, 20-buffering groove section, 21-telescopic groove, 22-driving pin and 23-step limiting part.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1: as shown in fig. 1, 2, 3, 4, 5, 6, a device for preventing and treating the egg-dinoflagellate disease of the sea bream starch comprises a culture box, the culture box comprises a culture pond 1 and a new water pond 2, a transfer device for lifting the sea bream and transferring the sea bream to the new water pond is arranged in the culture pond and the new water pond, the transfer device comprises a fish scooping frame, a lifting device, a rotating shaft 17 for driving one side of the fish scooping frame to rotate and a driving motor 11 for driving the rotating shaft to rotate, the fish scooping frame comprises a bottom plate 5, a top frame 3, a baffle plate 4 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 positioned on one side of the bottom plate far away from the new water pond, one side of the top frame far away from the baffle plate is connected with the rotating shaft, and two ends of one side of the bottom plate far away from the baffle plate are connected with the lifting device. The two ends of one side of the bottom plate, which is far away from the baffle, are respectively provided with a positioning shaft 6, the positioning shafts are rotatably connected with bearing sleeves 7, the lifting device comprises a jacking cylinder 8, a chain wheel 9 arranged at the free end of the jacking cylinder and a lifting chain 10 meshed with the chain wheel, one end of the lifting chain is fixed with the breeding box, the other end of the lifting chain is fixed with the bearing sleeves, a slide rail 12 for the bearing sleeves to slide up and down is vertically arranged in the breeding box, the jacking cylinder is fixed at the top end of the slide rail, the cross section of the slide rail is in a concave shape, the bearing sleeves are positioned in grooves of the slide rail, and guide grooves 13 for the positioning shafts to penetrate and slide are arranged at the bottoms of the grooves of the slide rail; the bottom plate comprises a filter screen 15 close to one end of the baffle and a base plate 14 far away from one end of the baffle, the two side edges of the base plate are bent to form a sliding groove, and the filter screen is positioned in the sliding groove and is in sliding connection with the base plate; a hinge sleeve 16 is arranged on one side of the bottom plate close to the baffle plate, a hinge hole is arranged on the axis of the hinge sleeve, a hinge shaft in clearance fit with the hinge hole is arranged on the baffle plate, and the cross sections of the hinge shaft and the hinge hole are D-shaped; the top frame edge is provided with pivot cover 18, and the axis department of pivot cover is provided with the pivot hole, and the pivot is located the pivot downthehole, and the pivot hole includes 19 and the buffer slot section 20 that the diameter is greater than the drive section with pivot outer wall matched with drive section, forms the spacing portion of step 23 between buffer slot section and the drive section, and the radial position of drive shaft is provided with the flexible groove 21 of a plurality of, and flexible inslot sliding connection has drive round pin 22. The cultivation box is internally provided with a clapboard, and the cultivation pond and the new water pond are separated by the clapboard. The culture pond and the new water pond are both provided with a water inlet and a water outlet. The lateral wall of breeding pond and new pond all is big-end-up's conical surface, and the top edge of breeding pond and new pond is around being provided with the scavenge pipe that is used for pouring into sodium hypochlorite disinfectant around, and the interval is provided with out the liquid hole on the scavenge pipe.
The cultivation box includes a cultivation pond for cultivating the snout bream and a new water pond mainly used for changing water or isolating the snout bream separately. The horizontal snout porgy is cultured in a fish catching frame in the transfer device, the fish catching frame comprises a bottom plate, a top frame, a baffle plate and a blocking net, and the baffle plate and the blocking net are enclosed into a frame-shaped structure and are surrounded between the bottom plate and the top frame. When the water needs to be changed for the culture pond, the lifting device drives one side of the bottom plate, which is far away from the baffle, to move upwards, and as the bottom plate is hinged with the baffle, one side of the bottom plate gradually draws close towards the top frame and forms a triangular structure with the top frame and the baffle, and the horizontal porgy is concentrated at an included angle between the bottom plate and the baffle. The drive motor is started, the drive motor drives the rotating shaft to rotate, then the top frame is driven to rotate, one end, close to the baffle, of the bottom plate is upwards overturned to the bottom plate to be separated from the culture pond, the horizontal mustache is lifted and kept away from the culture pond, along with the continuous overturning of the bottom plate, one side, close to the baffle, of the bottom plate is higher than one side, far away from the baffle, the horizontal mustache slides into a new water pond along the bottom plate, and at the moment, sewage suction and water replacement can be carried out on the vacant culture pond. The new water pool is provided with a transfer device with the same structure, and after the water in the culture pool is changed, the snout breams in the new water pool can be transferred to the culture pool. The whole device is convenient for transferring the snout bream, improves the transferring efficiency of the snout bream, further improves the water changing and sterilizing efficiency, reduces the outbreak rate of the amylooococcosis, improves the survival rate and avoids the cultivation risk. One side of the bottom plate far away from the baffle is provided with a positioning shaft, and a bearing sleeve is sleeved on the positioning shaft and can rotate relative to the positioning shaft. The jacking cylinder is fixed on the slide rail, and when the piston rod upward movement of jacking cylinder, can drive the sprocket rebound, the complex on the sprocket is carried and is carried chain one end and fix on breeding the case, and the other end is fixed on the bearing housing, when the sprocket rebound, can drive and carry the chain and upwards promote the bearing housing, and at this moment, the bearing housing upwards slides along the slide rail, and then drives one side rebound of bottom plate. The bottom plate includes base plate and filter screen, and the filter screen can slide in the spout that the base plate both sides formed of bending, and when one side upward movement of bottom plate, base plate and filter screen translation relatively elongated avoid causing the interference. One side of the bottom plate close to the baffle is hinged with the hinged shaft on the baffle through the hinged sleeve, the hinged hole in the hinged sleeve and the section of the hinged shaft are both in a D shape, and when the bottom plate and the baffle rotate relatively, the shaping is realized by the friction force of the relative rotation of the hinged shaft and the hinged sleeve. The start-up driving motor drives the top frame to rotate and further drives the bottom plate to turn, because the horizontal snout bream is mainly concentrated between the filter screen and the baffle, when the base plate and the filter screen leave the water surface of the culture pond, the filter screen can filter the water on the horizontal snout bream into the culture pond, and the excessive water with germs is prevented from entering a new water pond along with the horizontal snout bream. The base plate can strengthen the structural strength of the whole bottom plate, and the deformation of the bottom plate is avoided. Set up a plurality of flexible grooves on the radial direction of pivot, when driving motor drives the pivot rotatory, it falls to the buffer slot section position of pivot hole department because of self gravity to rotate the drive pin to the pivot below, when the drive pin supports and leans on in the spacing department of step, the drive pin can drive the pivot cover and rotate, when the drive pin drives the pivot cover and rotates to the pivot top, the drive pin receives the action of gravity and falls to flexible inslot, at this moment, the pivot cover loses pivoted power and takes place the reversal, at the in-process of reversal, the pivot is still rotating, the drive pin that rotates to the pivot below falls to buffer slot section position and supports and leans on in the spacing department of step from flexible inslot, resume to drive the pivot cover and rotate. Consequently, at the rotatory in-process of driving motor drive pivot, along with the flexible of the epaxial drive round pin of commentaries on classics, realize the intermittent type drive and the intermittent type reversal of pivot cover, realize the small amplitude intermittent type shake of bottom plate at the in-process of drive and reversal, can shake off the water of adhesion on the bottom plate. The intraductal sodium hypochlorite disinfection solution that pours into of cleaning tube, sodium hypochlorite disinfection solution can be along the play liquid hole discharge on the cleaning tube and to the inside wall cleaning and disinfection of breed pond and new pond.
Preparing and disinfecting the culture pond: allowing a sodium hypochlorite disinfection solution to flow along the upper edge of the pond wall to the whole culture pond, adding 10-15 cm of seawater, controlling the concentration of the sodium hypochlorite solution to be more than 300-400 ppm, and soaking the culture tool in the high-concentration sodium hypochlorite solution for 6-12 hours;
and (3) sterilizing culture tools: soaking the culture tool in 300-400 ppm sodium hypochlorite solution for disinfection, placing the culture tool in 150L fresh water and 300-400 ppm sodium hypochlorite solution for disinfection for 1 time every 3-5 days, washing with fresh water, and air-drying for later use, wherein the culture tool is washed with fresh water and air-dried for later use after each use;
a prevention stage: (I) in the cultivation density, when the mass of the lateral bed moustache sea bream is about 300-500 g, the density is controlled at 10-15 parts/m 3 (ii) a When the body mass is about 150g-300 g, the density is controlled to be 15-25 tails/m 3 (ii) a When the body mass is about 50-150g, the density is controlled to be 25-30 tails/m 3 (ii) a In the aspect of sewage suction and water change, the water for cultivation is after dark sedimentation and sand filtrationThe natural seawater is used for absorbing bottom dirt and changing water for 1 time respectively in the morning and afternoon, the water changing amount is about 80 percent each time, the aeration micro-flowing water is used for cultivation during the cultivation period, the flowing speed is generally 15 to 20L/min, and the total daily water changing amount is maintained to be more than 300 percent; in the feeding aspect, bait is soaked in fresh water for 5-10 min, then 2-4% of vitamin C, 1-2% of vitamin E and 6-8% of immune polysaccharide are added, the bait is fed once in the morning and at night every day, the daily feeding amount accounts for 1-3% of the weight of the fish, wherein the morning feeding amount accounts for 40-50% of the daily feeding amount, and the evening feeding amount accounts for 50-60%; (IV) regular physical examination.
In the aspect of sewage suction and water change in the second prevention stage, a jacking cylinder is started, drives a chain wheel to move upwards, drives a bearing sleeve to slide upwards in a sliding rail by using a lifting chain, further drives one side of a bottom plate, which is far away from a baffle, to move upwards in an inclined shape, a top frame, the baffle and the bottom plate are triangular, and a transverse porgy is concentrated at an included angle between the bottom plate and the baffle; starting a driving motor, wherein the driving motor drives the top frame to rotate, one side of the bottom plate, which is close to the baffle, is turned upwards, the horizontal snout porch is lifted and is far away from the culture pond, and when one side of the bottom plate, which is close to the baffle, is higher than one side of the bottom plate, which is far away from the baffle, the horizontal snout porch slides along the bottom plate towards the new water pond and enters the new water pond; and (3) changing water for the vacant culture pond, and after the water changing is finished, transferring the snout breams in the new pond into the culture pond by using a transfer device with the same structure in the new pond to finish the water changing.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A device for preventing and treating the starch oodinoflagellate disease of the rhabdosargassy, comprises a culture box and is characterized in that the culture box comprises a culture pond and a new water pond, transfer devices for lifting the rhabdosargassy and transferring the rhabdosargassy to the new water pond are arranged in the culture pond and the new water pond respectively, each transfer device comprises a fishing frame, a lifting device, a rotating shaft for driving one side edge of the fishing frame to rotate and a driving motor for driving the rotating shaft to rotate, each fishing frame comprises a bottom plate, a top frame, a baffle plate hinged with one side edge 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 positioned at one side edge of the bottom plate, which is far away from the new water pond, and one side of the top frame, which is far away from the baffle plate, is connected with the rotating shaft, the lifting device comprises a jacking cylinder, a chain wheel arranged at the free end of the jacking cylinder and a lifting chain meshed with the chain wheel, one end of the lifting chain is fixed with the cultivation box, the other end of the lifting chain is fixed with the bearing sleeve, a slide rail for the bearing sleeve to slide up and down is vertically arranged in the cultivation box, the jacking cylinder is fixed at the top end of the slide rail, the section of the slide rail is in a concave shape, the bearing sleeve is positioned in a groove of the slide rail, and a guide groove for the positioning shaft to penetrate and slide is arranged at the bottom of the groove of the slide rail; the bottom plate comprises a filter screen close to one end of the baffle and a substrate far away from one end of the baffle, two side edges of the substrate are bent to form a chute, and the filter screen is positioned in the chute and is connected with the substrate in a sliding manner; a hinge sleeve is arranged on one side of the bottom plate close to the baffle, a hinge hole is arranged on the axis of the hinge sleeve, a hinge shaft in clearance fit with the hinge hole is arranged on the baffle, and the cross sections of the hinge shaft and the hinge hole are D-shaped; the top frame edge is provided with the pivot cover, and the axis department of pivot cover is provided with the pivot hole, and the pivot is located the pivot downthehole, and the pivot hole includes the buffer slot section that is greater than the drive section with pivot outer wall matched with drive section and diameter, forms the spacing portion of step between buffer slot section and the drive section, and the radial position of drive shaft is provided with the flexible groove of a plurality of, and flexible inslot sliding connection has the drive round pin.
2. The apparatus as claimed in claim 1, wherein the cultivating chamber is provided with a partition, and the cultivating pool and the fresh water pool are separated by the partition.
3. The apparatus as claimed in claim 1, wherein the cultivation pond and the new water pond are provided with a water inlet and a water outlet.
4. The device as claimed in claim 1, wherein the walls of the cultivation pool and the new pool are tapered with a large top and a small bottom, the top edges of the cultivation pool and the new pool are surrounded by a cleaning tube for injecting sodium hypochlorite disinfectant, and the cleaning tube is provided with liquid outlet holes at intervals.
5. A method for controlling Oomyodytes transverse banding bream starch according to any one of claims 1 to 4, characterized by the steps of:
preparing and disinfecting the culture pond: allowing a sodium hypochlorite disinfection solution to flow along the upper edge of the pond wall to the whole culture pond, adding 10-15 cm of seawater, controlling the concentration of the sodium hypochlorite solution to be more than 300-400 ppm, and soaking the culture tool in the high-concentration sodium hypochlorite solution for 6-12 hours;
a culture tool disinfection stage: soaking the culture tool in 300-400 ppm sodium hypochlorite solution for disinfection, placing the culture tool in 150L fresh water and 300-400 ppm sodium hypochlorite solution for disinfection for 1 time every 3-5 days, washing with fresh water, and air-drying for later use, wherein the culture tool is washed with fresh water and air-dried for later use after each use;
a prevention stage: in the aspect of cultivation density, when the mass of the Lutjanus fasciatus body is 300-500 g, the density is controlled at 10-15/m 3 (ii) a When the mass is 150g-300 g, the density is controlled to be 15-25 tails/m 3 (ii) a When the mass is 50-150g, the density is controlled to be 25-30 tails/m 3 (ii) a In the aspect of sewage suction and water change, the culture water is natural seawater subjected to dark sedimentation and sand filtration, bottom sewage is sucked and removed and water is changed for 1 time in the morning and afternoon, the water change amount is 80 percent each time, aeration micro-flowing water culture is performed during the culture period, the flowing speed is generally 15 to 20L/min, and the total daily water change amount is maintained to be more than 300 percent; (III) in feeding, the bait is soaked in fresh water for 5-10 min, and then 2-4% of vitamin C, 1-2% of vitamin E and 6-8% of immune polypeptide are addedSugar, which is fed once in the morning and evening every day, wherein the daily feeding amount accounts for 1-3% of the weight of the fish, wherein the morning feeding amount accounts for 40-50% of the daily feeding amount, and the evening feeding amount accounts for 50-60%; (IV) regular physical examination.
6. The method as claimed in claim 5, wherein in the second sewage suction and water change aspect of the preventive stage, the jacking cylinder is started, the jacking cylinder drives the chain wheel to move upwards, the lifting chain drives the bearing sleeve to slide upwards in the sliding rail, and further drives the side of the bottom plate away from the baffle plate to move upwards in an inclined shape, the top frame, the baffle plate and the bottom plate are triangular, and the porgy is concentrated at the included angle between the bottom plate and the baffle plate; starting a driving motor, wherein the driving motor drives the top frame to rotate, one side of the bottom plate close to the baffle is turned upwards, the lateral mustache is lifted and is away from the culture pond, and when one side of the bottom plate close to the baffle is higher than one side of the bottom plate away from the baffle, the lateral mustache slides along the bottom plate towards the new water pond and enters the new water pond; and (3) changing water for the vacant culture pond, and after the water changing is finished, transferring the snout breams in the new pond into the culture pond by using a transfer device with the same structure in the new pond to finish the water changing.
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