阅读说明：本技术 一种水母全生活阶段循环水养殖系统及其养殖方法 (Jellyfish whole-life-stage recirculating aquaculture system and aquaculture method thereof ) 是由 王淑红 邓丽秋 何超 杨文浩 于 2020-06-23 设计创作，主要内容包括：本发明涉及一种水母全生活阶段循环水养殖系统及其养殖方法,所述水母全生活阶段循环水养殖系统包括可拆卸养殖缸、底缸、过滤系统、水泵、上水管和下水管等。上水管用于给养殖缸供水,下水管用于将养殖缸中的水导出进入底缸中的过滤系统,以实现养殖水在养殖缸和过滤系统之间的循环。所述养殖缸通过气孔和/或多孔喷水管提供水母运动捕食动力及达到增氧效果,利用多孔斜板阻隔水母使之保留在养殖缸中,避免打捞水母造成的机械损伤。本发明提供的水母全生活阶段循环水养殖系统及其养殖方法,不仅解决了水母生活史各阶段的养殖问题,而且可以大大节省水母养殖过程中的人力及时间,提高养殖效率,具有较好的应用前景。(The invention relates to a jellyfish whole life stage recirculating aquaculture system and a aquaculture method thereof. The upper water pipe is used for supplying water to the culture tank, and the lower water pipe is used for guiding the water in the culture tank out to enter the filtering system in the bottom tank so as to realize the circulation of the culture water between the culture tank and the filtering system. The culture tank provides jellyfish motion predation power through the air holes and/or the porous water spraying pipes and achieves an oxygen increasing effect, and the porous inclined plates are used for blocking the jellyfish to be kept in the culture tank, so that mechanical damage caused by fishing the jellyfish is avoided. The jellyfish whole-life-stage recirculating aquaculture system and the aquaculture method thereof provided by the invention not only solve the aquaculture problem of each stage of the jellyfish life history, but also greatly save the manpower and time in the jellyfish aquaculture process, improve the aquaculture efficiency and have better application prospects.)

1. The utility model provides a jellyfish whole life stage recirculating aquaculture system which characterized in that: the jellyfish whole life stage recirculating aquaculture system comprises a detachable aquaculture cylinder, a bottom cylinder, a filtering system, a water pump, an upper water pipe and a lower water pipe;

the detachable culture tank comprises a first flat plate, a second flat plate and an arc-shaped plate, wherein the first flat plate and the second flat plate are parallel to each other, the arc-shaped plate is arranged between the first flat plate and the second flat plate, and two arc side edges of the arc-shaped plate are respectively connected with the first flat plate and the second flat plate to form a culture space with an arc-shaped bottom; the opposite inner walls of the first flat plate and the second flat plate are respectively provided with a clamping groove, a porous inclined plate is inserted into the clamping grooves, so that two sides of the porous inclined plate are fixed, and the bottom of the porous inclined plate is abutted against the inner wall of the arc-shaped plate; the arc-shaped plate is provided with an air hole, a hollow cylinder penetrates through the air hole, and one end of the hollow cylinder, which faces the outer side of the detachable culture tank, protrudes;

the bottom cylinder comprises a water inlet area, a middle area and a water outlet area which are sequentially communicated, the water outlet area is provided with the water pump, the water inlet end of the water feeding pipe is connected with the water pump, the water outlet end of the water feeding pipe is connected with a water inlet hose, the water inlet hose is connected with a porous water spray pipe, and the porous water spray pipe is fixed between a first flat plate and a second flat plate of the detachable culture cylinder; the water inlet end of the downcomer is connected with the arc-shaped plate through a movable joint, the water outlet end of the downcomer is connected with the water inlet area of the bottom cylinder, and the culture water is input into the bottom cylinder for filtering and impurity removal;

the filter system comprises a filter material and a protein separator, wherein the filter material is arranged in the water inlet area of the bottom cylinder, and the protein separator is arranged in the middle area of the bottom cylinder; the culture water output by the sewer pipe enters a protein separator after being filtered by the filter material, and the water after the protein is separated is input into the water outlet area of the bottom tank.

2. The jellyfish whole life stage recirculating aquaculture system of claim 1, characterized in that: a water outlet end of the water feeding pipe is provided with a water flow regulating valve, and the water quantity entering the detachable culture tank is regulated through the water flow regulating valve; or closing water inlet to separate the detachable culture tank from the jellyfish circulating water culture system in the whole life stage and independently using the detachable culture tank as a quarantine temporary culture tank or an isolation tank.

3. The jellyfish whole life stage recirculating aquaculture system of claim 1, characterized in that: the porous swash plate downside passes through the filter screen is inserted to the draw-in groove, the aperture of filter screen is less than the aperture of porous swash plate, through the filter screen cooperation porous swash plate realizes the separation to different life stage jellyfishes when changing water, is convenient for update can dismantle the water in the breed jar.

4. The jellyfish whole life stage recirculating aquaculture system of claim 1, characterized in that: porous spray pipe includes the cavity body, set up vertical one row of hole for water spraying on the cavity body, cavity body one end is sealed by the rubber buffer, the joint is led to cavity body other end fixed connection "L" shape, the rubber buffer with it hugs closely respectively to lead the joint first flat board with the dull and stereotyped inner wall of second, thereby will the rubber buffer with it fixes to lead between the joint in can dismantling the breed jar, change the hole for water spraying direction through rotatory porous spray pipe, remove the rubber buffer with it realizes right to lead the joint the adjustment of porous spray pipe blowout rivers direction and position.

5. The jellyfish whole life stage recirculating aquaculture system of claim 1, characterized in that: one end of the hollow cylinder in the air hole is closed, or the protruding end of the hollow cylinder, facing the outer side of the detachable culture cylinder, is connected with a rubber pipe, and is connected with an air breather through the rubber pipe, preferably, the air hole is positioned on the center line of the arc-shaped plate, and the height difference between the air hole and the circle center of the bottom arc of the culture space is less than or equal to +/-3 cm.

6. The jellyfish whole life stage recirculating aquaculture system according to any one of claims 1 to 4, characterized in that: a notch is formed in the top, opposite to the first flat plate and the second flat plate, of the first flat plate and is used for hanging a carrier facilitating attachment and growth of a hydranth;

optionally, the filter material comprises a filter bag, filter cotton and a ceramic ring which are sequentially stacked;

optionally, the detachable culture tank comprises a plurality of small tanks, preferably small tanks with different sizes, and the small tanks are connected in parallel;

optionally, the jellyfish whole life stage recirculating aquaculture system further comprises a refrigerating system, wherein the refrigerating system comprises a refrigerator, and the refrigerator refrigerates aquaculture water.

7. A method for culturing jellyfish in circulating water in the whole life stage is characterized in that: the method for culturing the jellyfish in the whole life stage by using the system for culturing the circulating water of the whole life stage of the jellyfish, which comprises a hydroid stage, a plate stage and a jellyfish stage, wherein the culturing process uses the circulating water to provide stable hydrodynamic force through the porous water spray pipe and/or the air hole by using the ventilating device; the jellyfishes do not need to be taken out when the water body is updated, the original culture water in the detachable culture tank is discharged to the bottom tank through the overflow of the porous inclined plate, then fresh culture water is supplemented into the bottom tank and/or the detachable culture tank, and the jellyfishes are always kept in the detachable culture tank.

8. The method for culturing jellyfish in circulating water in whole life stage according to claim 7, characterized in that: when the hydroids are cultured, the protruding end, facing the outer side of the detachable culture cylinder, of the hollow cylinder in the air hole is connected with a rubber pipe, the rubber pipe is connected with an air breather, and air is blown into the air breather; the hydroids are attached to the inner wall of the detachable culture cylinder or grow on the porous inclined plate, preferably, the opposite tops of the first flat plate and the second flat plate are provided with gaps, and the gaps are used for hanging carriers facilitating the attachment and growth of the hydroids, so that the attachment area is further increased.

9. The method for culturing jellyfish in circulating water in whole life stage according to claim 7, characterized in that: when the dish-shaped body is cultured, the protruding end of the hollow cylinder in the air hole, which faces the outer side of the detachable culture cylinder, is connected with the rubber pipe, the rubber pipe is connected with the ventilating device, and the ventilating device blows air so as to provide hydrodynamic force for the dish-shaped body; optionally, the water spraying holes of the porous water spraying pipe are moved towards the opposite side of the porous inclined plate, and the water outlet flow of the porous water spraying pipe is controlled by adjusting the water flow in the water feeding pipe, so that low-frequency water changing is realized.

10. The method for culturing jellyfish in circulating water in whole life stage according to claim 7, characterized in that: when the aquatic organism is cultured, one end of the hollow cylinder in the air hole is closed so as to close the ventilation; the porous water spraying pipe is close to the porous inclined plate, the direction of the water spraying holes is adjusted, so that water flow is sprayed out in parallel to the porous inclined plate, and the sprayed water flow meets the arc-shaped plate to form water flow with radian, thereby providing kinetic predation power for the jellyfish.

Technical Field

The invention relates to a jellyfish culture technology, in particular to a jellyfish whole life stage circulating water culture system and a culture method thereof.

Background

Most of the jellyfishes have the phenomenon of generation alternation, namely, the generation of hydranth and the generation of jellyfish. The hydrozoan generation is asexually propagated by budding and podocyte formation. The hydranth can be changed into a transverse schizont under a certain condition, the transverse schizont continues to develop to finally release a dish-shaped body, and the dish-shaped body gradually grows into a jellyfish through ingestion of plankton and the like; after the disk is released, the transverse cleft can be restored to the hydranth again.

The life habits and biological characteristics of jellyfishes in different generations are quite different: the hydranth individual has a tiny (2-10 mm) benthonic life, and needs environmental condition stimulation when entering a plate-shaped body stage; the individual plate-shaped bodies are usually less than 1 cm, the initial plate-shaped bodies of some jellyfish species are less than 2 mm, and the diameter of the plate-shaped bodies is only about 1 mm when the plate-shaped bodies are coiled under external stimulation; different disc-shaped bodies have very different moving capacities, some primary disc-shaped bodies have weak moving capacities, can be accumulated at the bottom of water to cause oxygen deficiency or difficulty in predation, some primary disc-shaped bodies have certain phototaxis and are gathered at one side of a cylinder body to influence the shape of the disc-shaped bodies, and the disc-shaped bodies all need certain water flow to drive the disc-shaped bodies to move and ingest; the process of development of different kinds of dishes into a water matrix is very different, and usually 10 to 30 days are needed; both the dish and the jellyfish live floating.

When the hydroids are cultured, the hydroids need to be attached to attachment bases such as a cylinder wall or a suspended plastic plate, the hydroids are generally cultured in still water by the traditional technology, small zooplankton are fed, and water is changed according to the state of the hydroids. Moderate oxygenation and low frequency water change can provide a long-term stable growth environment for the hydroids. The feeding frequency of the dish is higher than that of the hydroids, the water changing with higher frequency is needed to maintain the water quality, and the stable water flow is needed to provide power for the movement and the predation of the dish. The traditional culture method is that after the hydrozoan is transversely split, the disc is timely fished out of the cylinder body, and the disc is placed into a disc culture cylinder after water is changed and cleaned. Because the dish-shaped bodies are small in size and large in quantity, water changing consumes time and labor, and the water changing process is exposed in the air to cause individual loss in different degrees. The movement capability of the plate-shaped body is changed at the stage of developing into the jellyfish, and the jellyfish needs to be provided with swimming power by more stable water flow, so that the jellyfish can swim slowly in the cylinder and is not damaged by over-strong water flow, and a good ornamental state is kept. In the stage, the jellyfishes grow fast, the requirement on nutrition is high, the bait feeding amount is larger, and the requirement on water treatment is higher. In the culture process, the water quality can also influence the food intake of the jellyfishes, the water quality deterioration can cause the food intake of the jellyfishes to be reduced or even not to be taken, and the decomposition of the residual baits in the water body can further deteriorate the water quality. In conclusion, the jellyfish breeding process has high requirements on water quality, the bait utilization rate is greatly influenced by the water quality, and therefore, higher water changing frequency is required. The traditional culture technology has the advantages that the water changing process is long in time consumption, the jellyfish umbrella body tentacles are salvaged and lost, and the ornamental value such as the swimming posture is influenced.

Disclosure of Invention

The invention aims to overcome the blank of the existing jellyfish whole-stage culture technology, and provides a jellyfish whole-life stage recirculating aquaculture system which can realize artificial culture of the jellyfish hydroids, the plate-shaped jellyfish and the jellyfish whole-life stage.

The invention also provides a method for recirculating aquaculture of jellyfishes in the whole life stage, aiming at the biological characteristics of different jellyfish life history stages of a hydranth stage, a plate stage and a jellyfish stage, the system can meet the growth requirements of the jellyfishes in each stage; meanwhile, a filtering system is adopted, circulating water is used for cultivation, and the frequency of updating cultivation water is reduced; when the culture water is updated, the hydroids, the dishes and the jellyfishes do not need to be taken out, and the water is changed through the porous inclined plate overflow, so that the damage to the cultured organisms is reduced to the maximum extent.

The specific scheme is as follows:

a jellyfish whole life stage recirculating aquaculture system comprises a detachable aquaculture cylinder, a bottom cylinder, a filtering system, a water pump, an upper water pipe and a lower water pipe;

the detachable culture tank comprises a first flat plate, a second flat plate and an arc-shaped plate, wherein the first flat plate and the second flat plate are parallel to each other, the arc-shaped plate is arranged between the first flat plate and the second flat plate, and two arc side edges of the arc-shaped plate are respectively connected with the first flat plate and the second flat plate to form a culture space with an arc-shaped bottom; the opposite inner walls of the first flat plate and the second flat plate are respectively provided with a clamping groove, a porous inclined plate is inserted into the clamping grooves, so that two sides of the porous inclined plate are fixed, and the bottom of the porous inclined plate is abutted against the inner wall of the arc-shaped plate; the arc-shaped plate is provided with an air hole, a hollow cylinder penetrates through the air hole, and one end of the hollow cylinder, which faces the outer side of the detachable culture tank, protrudes;

the bottom cylinder comprises a water inlet area, a middle area and a water outlet area which are sequentially communicated, the water outlet area is provided with the water pump, the water inlet end of the water feeding pipe is connected with the water pump, the water outlet end of the water feeding pipe is connected with a water inlet hose, the water inlet hose is connected with a porous water spray pipe, and the porous water spray pipe is fixed between a first flat plate and a second flat plate of the detachable culture cylinder; the water inlet end of the downcomer is connected with the arc-shaped plate through a movable joint, the water outlet end of the downcomer is connected with the water inlet area of the bottom cylinder, and the culture water is input into the bottom cylinder for filtering and impurity removal;

the filter system comprises a filter material and a protein separator, wherein the filter material is arranged in the water inlet area of the bottom cylinder, and the protein separator is arranged in the middle area of the bottom cylinder; the culture water output by the sewer pipe enters a protein separator after being filtered by the filter material, and the water after the protein is separated is input into the water outlet area of the bottom tank.

Furthermore, a water outlet end of the water feeding pipe is provided with a water flow regulating valve, and the water flow into the detachable culture tank is regulated through the water flow regulating valve; or closing water inlet to separate the detachable culture tank from the jellyfish circulating water culture system in the whole life stage and independently using the detachable culture tank as a quarantine temporary culture tank or an isolation tank.

Further, the porous swash plate downside passes through the filter screen is inserted to the draw-in groove, the aperture of filter screen is less than the aperture of porous swash plate, through the filter screen cooperation porous swash plate realizes the separation to different life stage jellyfishes when changing water, is convenient for update can dismantle the water in the breed jar.

Further, porous spray pipe includes the cavity body, set up vertical one row of hole for water spraying on the cavity body, cavity body one end is sealed by the rubber buffer, the joint is led to cavity body other end fixed connection "L" shape, the rubber buffer with it hugs closely respectively to lead the joint first flat board with the dull and stereotyped inner wall of second, thereby will the rubber buffer with it fixes to lead between the joint in can dismantling the breed jar, change the hole for water spraying direction through rotatory porous spray pipe, remove the rubber buffer with it realizes right to lead the joint the adjustment of porous spray pipe blowout rivers direction and position.

Further, the hollow cylinder in the air hole is closed at one end, or the protruding end of the hollow cylinder facing the outer side of the detachable culture tank is connected with a rubber pipe, and is connected with an air breather through the rubber pipe, preferably, the air hole is positioned on the center line of the arc-shaped plate, and the height difference between the air hole and the circle center of the bottom arc of the culture space is less than or equal to +/-3 cm.

Further, a gap is arranged at the top of the first flat plate opposite to the second flat plate, and the gap is used for hanging a carrier facilitating attachment and growth of hydranth;

optionally, the filter material comprises a filter bag, filter cotton and a ceramic ring which are sequentially stacked;

optionally, the detachable culture tank comprises a plurality of small tanks, preferably small tanks with different sizes, and the small tanks are connected in parallel;

optionally, the jellyfish whole life stage recirculating aquaculture system further comprises a refrigerating system, wherein the refrigerating system comprises a refrigerator, and the refrigerator refrigerates aquaculture water.

The invention also provides a method for culturing the whole-life stage circulating water of the jellyfishes, which comprises a hydroid stage, a dish stage and a jellyfish stage, wherein the method adopts the circulating water in the culturing process, and the stable hydrodynamic force is provided through the porous water spray pipe and/or the air hole by utilizing the ventilating device; the jellyfishes do not need to be taken out when the water body is updated, the original culture water in the detachable culture tank is discharged to the bottom tank through the overflow of the porous inclined plate, then fresh culture water is supplemented into the bottom tank and/or the detachable culture tank, and the jellyfishes are always kept in the detachable culture tank.

Further, when the hydroids are cultured, the protruding end, facing the outer side of the detachable culture cylinder, of the hollow cylinder in the air hole is connected with a rubber pipe, the rubber pipe is connected with an air breather, and air is blown into the air breather; the hydroids are attached to the inner wall of the detachable culture cylinder or grow on the porous inclined plate, preferably, the opposite tops of the first flat plate and the second flat plate are provided with gaps, and the gaps are used for hanging carriers facilitating the attachment and growth of the hydroids, so that the attachment area is further increased.

Furthermore, when the dish-shaped body is cultured, the protruding end of the hollow cylinder in the air hole, which faces the outer side of the detachable culture cylinder, is connected with a rubber pipe, the rubber pipe is connected with an air breather, and the air breather blows air so as to provide hydrodynamic force for the dish-shaped body; optionally, the water spraying holes of the porous water spraying pipe are moved towards the opposite side of the porous inclined plate, and the water outlet flow of the porous water spraying pipe is controlled by adjusting the water flow in the water feeding pipe, so that low-frequency water changing is realized.

Furthermore, when the aquatic organism is cultured, one end of the hollow cylinder in the air hole is closed so as to close the ventilation; the porous water spraying pipe is close to the porous inclined plate, the direction of the water spraying holes is adjusted, so that water flow is sprayed out in parallel to the porous inclined plate, and the sprayed water flow meets the arc-shaped plate to form water flow with radian, thereby providing kinetic predation power for the jellyfish.

Has the advantages that:

according to the jellyfish whole-life-stage recirculating aquaculture system, the filtering system is adopted for purifying the water body, the filtering system is matched with the water circulating system to realize recirculating aquaculture of the jellyfish, the water quality required by aquaculture is greatly kept, the water changing frequency of the whole aquaculture system is greatly reduced, and the system is environment-friendly and water-saving.

Moreover, the multifunctional detachable jellyfish whole-life-stage recirculating aquaculture system is convenient to feed, a culture device does not need to be opened or detached, and stable hydrodynamic force can be provided for the jellyfish and oxygen can be increased by adopting the air hole to be connected with the ventilating device and/or the porous water spraying pipe carrying the water pump; preferably, a water flow regulating valve is arranged on the water feeding pipe, so that the water inlet flow can be flexibly regulated, and the device is suitable for culturing the hydroids, the dishes and the parents.

Furthermore, in the jellyfish whole life stage recirculating aquaculture system, the porous inclined plate is arranged in the aquaculture cylinder, and the porous inclined plate can be conveniently inserted, fixed and extracted by utilizing the clamping groove; preferably, the porous sloping plate is optionally matched with a filter screen, the filtering size is flexibly adjusted, and the jellyfish at different stages is blocked, so that the jellyfish is retained in the cylinder body when water is conveniently changed, and mechanical damage caused by water change movement in the growth process of the jellyfish is reduced. Notches can be arranged on the upper edges of the first flat plate and the second flat plate, so that carriers for adhering and growing hydrans can be hung conveniently.

Finally, in the jellyfish whole life stage recirculating aquaculture system, the detachable aquaculture tank can be used independently or in combination, and is convenient to detach. When used alone, the culture tank is separated from the whole system, optionally connected with a ventilation device through an air hole, and used as a quarantine temporary culture tank or an isolation tank. When the combined type jellyfish cultivation device is used in a combined mode, the cylinder bodies with different specifications can be combined and used at will, and preferably, the cylinder bodies with different sizes are connected in parallel, so that jellyfishes with different sizes can be cultivated conveniently; by adopting a parallel connection mode, each cylinder body can independently adopt pneumatic power or provide hydrodynamic force for jellyfish movement by virtue of a porous water spray pipe.

In a word, the jellyfish whole-life-stage recirculating aquaculture system and the aquaculture method thereof provided by the invention not only solve the aquaculture problem of each stage of the jellyfish life history, increase the survival rate of each aquaculture stage, but also greatly save the manpower and time in the jellyfish aquaculture process, increase the space utilization rate, maintain the maximum ornamental value while the cylinder body design has good functions, are suitable for laboratory aquaculture observation and commercial production, and have good application prospect.

Drawings

In order to illustrate the technical solution of the present invention more clearly, the drawings will be briefly described below, and it is apparent that the drawings in the following description relate only to some embodiments of the present invention and are not intended to limit the present invention.

Fig. 1 is a schematic structural diagram of a jellyfish whole life stage recirculating aquaculture system provided in an embodiment 1 of the present invention;

FIG. 2 is a schematic perspective view of a cultivation tank according to an embodiment 1 of the present invention;

FIG. 3 is a schematic view of a connection structure of a culture tank and a water supply pipe according to an embodiment 1 of the present invention;

fig. 4 is a schematic view of a connecting structure of a culture tank and a sewer pipe according to an embodiment 1 of the present invention.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.