CN115777609B - Indoor small water body culture system and culture method for juvenile conch - Google Patents
Indoor small water body culture system and culture method for juvenile conch Download PDFInfo
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- CN115777609B CN115777609B CN202211707525.XA CN202211707525A CN115777609B CN 115777609 B CN115777609 B CN 115777609B CN 202211707525 A CN202211707525 A CN 202211707525A CN 115777609 B CN115777609 B CN 115777609B
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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
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Abstract
本发明公开了一种香螺幼体室内小水体养殖系统及养殖方法，属于香螺养殖技术领域，一种香螺幼体室内小水体养殖系统包括养殖主箱体以及设置于所述养殖主箱体内的养殖模块和水处理模块；养殖模块内部设置若干养殖基质层；养殖模块与水处理模块之间通过具有镂空孔的隔板分隔；水处理模块配置成通过镂空孔组将养殖模块中的有机质吸走并排出所述养殖主箱体外。一种香螺幼体室内小水体养殖方法包括干制饵料小球；将饵料小球置入投饲盘中进行投饲；对养殖基质进行维护。本发明能够实现香螺在小水体中的工厂化养殖，对胶状排泄物及粘液等悬浮有机质和浮饵进行有效处理，且投资成本低、香螺养殖效果好。
The present invention discloses an indoor small water body breeding system and breeding method for juvenile conchs, belonging to the field of conch breeding technology. An indoor small water body breeding system for juvenile conchs comprises a breeding main box, a breeding module and a water treatment module arranged in the breeding main box; a plurality of breeding matrix layers are arranged inside the breeding module; the breeding module and the water treatment module are separated by a partition with hollow holes; the water treatment module is configured to absorb organic matter in the breeding module through a hollow hole group and discharge it out of the breeding main box. An indoor small water body breeding method for juvenile conchs comprises drying bait pellets; placing the bait pellets in a feeding tray for feeding; and maintaining the breeding matrix. The present invention can realize the factory breeding of conchs in small water bodies, effectively treat suspended organic matter and floating bait such as colloidal excrement and mucus, and has low investment cost and good conch breeding effect.
Description
Technical Field
The invention relates to the field of conch cultivation, in particular to an indoor small water body cultivation system and method for conch larvae.
Background
The conch mainly lives in the sea areas of China north, japan, korea and the like in the warm temperate zones and is a large-scale carnivorous conch. The feed is rich in nutrition, delicious in meat quality, popular with consumers and important in northern coastal China. In recent years, with the progress of unsuitable production activities such as habitat destruction and excessive fishing, the amount of wild resources is gradually reduced, and artificial breeding and ecological adaptability research of conch are widely carried out.
In daily practice, the inventor finds that the prior technical scheme has the following problems:
Under the current culture test conditions, the compound feed is mostly placed in a natural sea area or in an outdoor pond for cage culture, but the sea area or the outdoor pond for culture has the problems of large water temperature and water environment change, poor environmental controllability, easiness in interference and biological influence on the growth of conch and the like. The breeding place is selected in a breeding workshop under the full manual regulation and control, the controllable breeding environment can be realized, the condition of the influence of the interference organism is avoided, but the feeding activity of the conch is slower, the feeding is easy to float upwards and disperse to spoil the water quality, and meanwhile, the conch gastropod secretes a large amount of mucus to help crawl, and suspended organic matters such as colloidal excrement and mucus are difficult to clean. The above situation results in a slow indoor cultivation process of the conch.
In view of the foregoing, it is necessary to provide a new solution to the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the application provides the system and the method for cultivating the young conch in the small water body, which can realize industrialized cultivation of the conch in the small water body, effectively treat suspended organic matters such as colloidal excreta, mucus and the like and floating baits, and have low investment cost and good conch cultivation effect.
The system comprises a main culture box body, a culture module and a water treatment module, wherein the culture module and the water treatment module are arranged in the main culture box body and are separated by a hollow partition board, the culture module is of a bed structure and comprises a hollow bottom board which is arranged at a certain distance from the inner bottom surface of the main culture box body, a plurality of culture substrate layers are arranged on the upper surface of the bottom board, a plurality of hollow hole groups with hollow holes are arranged on the partition board, the culture substrate layers are the same in number with the hollow hole groups, the culture substrate layers on the same level correspond to the hollow hole groups, the water treatment module comprises a bottom suction pump, and the water treatment module is configured to suck organic matters in the culture module out of the main culture box body through the hollow hole groups.
Preferably, the diameters of the hollow holes in the same hollow hole group are the same, the spacing distance between every two adjacent hollow holes is 1.5 times of the diameter of each hollow hole, and the maximum diameter of each hollow hole in the hollow hole group on the same horizontal height is smaller than the minimum particle diameter of the culture substrate in the culture substrate layer.
Preferably, the culture substrate particle size in the lower culture substrate layer is larger than the culture substrate particle size in the upper culture substrate layer.
Preferably, the culture substrate layer comprises a first culture substrate layer, a second culture substrate layer, a third culture substrate layer and a fourth culture substrate layer from bottom to top, wherein the first culture substrate layer is terrazzo, the grain size range of the terrazzo is 3-6 cm, the second culture substrate layer is heavy water-soluble large ceramsite, the grain size range of the heavy water-soluble large ceramsite is 2-3 cm, the third culture substrate layer is heavy water-soluble small ceramsite, the grain size range of the heavy water-soluble small ceramsite is 0.3-0.5 mm, the fourth culture substrate layer is oyster shell powder subjected to high-temperature firing and crushing treatment, and the grain size of the oyster shell powder is 150-300 mu m.
Preferably, the partition plate comprises a partition plate body, wherein the partition plate body sequentially comprises a first hollowed-out hole group, a second hollowed-out hole group, a third hollowed-out hole group and a fourth hollowed-out hole group from bottom to top.
Preferably, the water treatment module further comprises a filter, a trickle type water supplementing device, a protein separator with a needle brush pump and a water goblet with filter cotton, wherein fresh water is contained in the trickle type water supplementing device, the inlet end of the filter is communicated with the outlet of the bottom suction pump in a non-substrate maintenance state, the bottom suction pump, the needle brush pump and the filter cotton are sequentially arranged from low to high, the bottom suction pump is fixed on the partition plate in a substrate maintenance state, and the pump inlet of the bottom suction pump corresponds to the position of the hollowed-out hole group.
According to another aspect of the present application, there is also provided a method for cultivating small water bodies in a young mollusk, the method comprising:
Making dry bait pellets by using dead marine organisms;
In the evening of each day, bait pellets accounting for 20% of the total mass of the cultivated conch are put into a feeding tray for feeding;
And (5) maintaining the culture substrate in the culture substrate layer regularly.
Preferably, the preparing the dried bait pellets by using the dead marine organisms comprises:
preparing dead marine organisms into chyme;
Suspending the prepared chyme on bolting silk, standing for 30-50 min, and draining part of water;
Mixing the drained chyme with oyster shell powder and 5% sodium alginate solution according to the mass ratio of 2:6:1, and stirring to a completely and uniformly mixed state to prepare a mixture;
pumping the mixture by a peristaltic pump, slowly suspending and dripping the mixture into a 1.5% calcium chloride solution, and standing for 2 hours to prepare wet bait particles;
and fishing out the prepared wet bait particles, draining, and putting the wet bait particles into a baking oven to be baked into dry bait pellets.
Preferably, the dead marine organism is any one or more of frozen or chilled fish, mollusk and small arthropod.
Preferably, the periodically maintaining the culture substrate in the culture substrate layer includes:
taking out parts except the bottom suction pump in the water treatment module, and reserving the bottom suction pump and corresponding pipelines of the bottom suction pump;
Fixing a bottom suction pump on a partition plate between the culture module and the water treatment module, wherein a pump inlet is aligned to a hollowed hole of the partition plate, and sucking out organic matters adsorbed on the surface layer of the culture substrate in the culture substrate layer;
according to the color change of oyster shell powder in the surface layer culture substrate layer, a part of oyster shell powder is removed by a suction pipe and replaced.
Compared with the prior art, the application has at least the following beneficial effects:
the invention realizes the industrial cultivation of the conch in the small water body, furthest reduces the natural living environment of the conch and reduces the stress of artificial cultivation management operation on cultivated organisms. Meanwhile, the seawater replacement of the conch in the indoor culture environment is effectively avoided, the problem that the bait is easy to float upwards and disperse to spoil water quality due to slow feeding of the conch is solved, suspended organic matters such as conch gelatinous excrement and mucus are difficult to clean, and the industrial culture effect of the conch is improved.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the system for cultivating small water bodies in the young mollusks of the invention;
FIG. 2 is a schematic diagram of the structure of a partition plate in the system for cultivating small water bodies in the young mollusks of the invention.
Wherein the above figures include the following reference numerals:
100. The main cultivation box body comprises 10 parts of a main cultivation box body, 10 parts of a water treatment module, 20 parts of a cultivation module, 30 parts of a partition board, 40 parts of a support piece, 21 parts of a bottom board, 22 parts of a first cultivation substrate layer, 23 parts of a second cultivation substrate layer, 24 parts of a third cultivation substrate layer, 25 parts of a fourth cultivation substrate layer, 31 parts of a hollowed-out hole, 32 parts of a partition board body, 33 parts of a first hollowed-out hole group, 34 parts of a second hollowed-out hole group, 35 parts of a third hollowed-out hole group, 36 parts of a fourth hollowed-out hole group, 37 parts of a support column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1 and 2, an indoor small water body cultivation system for conch larvae comprises a cultivation main box 100, and a water treatment module 10 and a cultivation module 20 which are arranged in the cultivation main box 100. The cultivation module 20 and the water treatment module 10 are separated by a hollowed-out partition board 30. The main aquaculture tank 100 is preferably a plastic or glass tank with a total volume of 60-100L and a ratio of aquaculture module 20 to water treatment module 10 of about 4:1. The width of the partition plate 30 is consistent with the width of the inner cavity of the main culture box body 100, the upper edge of the partition plate is flush with the upper edge of the main culture box body 100, and the partition plate is fixedly connected with the inner cavity of the main culture box body 100 in the width direction. The spacer 30 is preferably a hard plate of transparent material, such as a glass plate or a plastic plate, and the thickness of the spacer 30 is preferably 6mm.
In some embodiments of the present invention, four vertical corners of the inner wall of the main cultivation box 100 are rounded corners.
The water treatment module 10 includes a bottom suction pump, a filter, a trickle type water compensator, a protein separator with a needle brush pump, and a water goblet with filter cotton. Fresh water is contained in the trickle type water replenishing device and is used for replenishing the water quantity lost by evaporation in the main culture box body 100. In a non-substrate maintenance state, the inlet end of the filter is communicated with the outlet of the bottom suction pump, and the bottom suction pump, the needle brush pump and the filter cotton are sequentially arranged from low to high. In the substrate maintenance state, the bottom suction pump is fixed on the partition board 30, and the pump inlet of the bottom suction pump corresponds to the position of the hollowed-out hole set, so that the water treatment module 10 is configured to suck and discharge the organic matters in the cultivation module 20 out of the cultivation main box 100 through the hollowed-out hole set. The water treatment module 10 does not need a temperature control device, and can realize temperature regulation in the main cultivation box 100 by utilizing regulation of an indoor air conditioner.
Preferably, the filter is a small top filter with a top filter cartridge, the top filter cartridge and the filtered water outlet being located in the area of the cultivation module 20.
Preferably, the top filter box comprises three layers of filter materials, and the filter materials are biochemical cotton, activated carbon and biochemical rings in sequence from top to bottom.
The cultivation module 20 is of a bed type structure and comprises a hollowed-out bottom plate 21 which is arranged at a certain distance from the inner bottom surface of the cultivation main box body 100, and a plurality of cultivation substrate layers are arranged on the upper surface of the bottom plate 21. And each culture substrate layer is provided with different culture substrates, and the particle size of the culture substrate in the lower culture substrate layer is larger than that of the culture substrate in the upper culture substrate layer.
Specifically, the culture substrate layer sequentially comprises a first culture substrate layer 22, a second culture substrate layer 23, a third culture substrate layer 24 and a fourth culture substrate layer 25 from bottom to top. The first culture substrate layer 22 is preferably terrazzo, and the grain size of terrazzo ranges from 3cm to 6cm. The second culture substrate layer 23 is preferably a heavy-duty large haydite with a particle size in the range of 2-3cm. The third culture substrate layer 24 is a submerged small haydite with the particle size range of 0.3-0.5 mm. The fourth culture substrate layer 25 is preferably oyster shell powder after high-temperature burning and crushing treatment, and the particle size of the oyster shell powder is about 150 nm.
Preferably, the ratio of the laying thickness of the first culture substrate layer 22, the second culture substrate layer 23 and the third culture substrate layer 24 is 1:2:2, and the laying thickness of the fourth culture substrate layer 25 is equal to 1.5 times of the maximum shell height of the cultivated conch.
Preferably, the distance between the upper surface of the fourth culture medium layer 25 and the top end of the culture main tank 100 is 2/7 of the height of the culture main tank 100.
Preferably, the distance between the water outlet of the top filter box in the water treatment module 10 and the upper surface of the fourth culture medium layer 25 is 1/7 of the height of the culture main box 100.
Preferably, the distance between the culture module 20 and the inner bottom surface of the culture main box 100 is 1/7 of the height of the culture main box 100.
In other embodiments of the present invention, the inner bottom surface of the main cultivation box 100 and the bottom plate 21 are supported by the supporting members 40, and the supporting members 40 are preferably bar-shaped bricks, so as to prevent the bottom plate 21 from being damaged due to overload.
The partition plate 30 comprises a partition plate body 32, and a plurality of hollowed-out hole groups with hollowed-out holes 31 are formed in the partition plate body 32. The quantity of the culture substrate layers is the same as that of the hollowed-out hole groups, and the culture substrate layers on the same horizontal height correspond to the hollowed-out hole groups. The hollow holes 31 in the same hollow hole group have the same diameter, and the spacing distance between the adjacent hollow holes 31 is 1.5 times the diameter of the hollow holes 31.
The diameter of the hollow holes 31 in the hollow hole group is determined according to the particle size of the culture substrate in each culture substrate layer, and the diameter of the hollow holes 31 in the hollow hole group is smaller than the minimum particle size of the culture substrate in the corresponding culture substrate layer. The maximum diameter of the hollow holes 31 in the hollow hole group at the same level is smaller than the minimum particle diameter of the culture substrate in the culture substrate layer.
Specifically, the partition body 32 includes, from bottom to top, a first hollow hole group 33, a second hollow hole group 34, a third hollow hole group 35, and a fourth hollow hole group 36. The positions of the first hollowed-out hole group 33, the second hollowed-out hole group 34, the third hollowed-out hole group 35 and the fourth hollowed-out hole group 36 respectively correspond to the positions of the first culture substrate layer 22, the second culture substrate layer 23, the third culture substrate layer 24 and the fourth culture substrate layer 25. The maximum diameter of the hollow holes 31 in the first hollow hole group 33 is smaller than the minimum particle size of the culture medium in the first culture medium layer 22, the maximum diameter of the hollow holes 31 in the second hollow hole group 34 is smaller than the minimum particle size of the culture medium in the second culture medium layer 23, the maximum diameter of the hollow holes 31 in the third hollow hole group 35 is smaller than the minimum particle size of the culture medium in the third culture medium layer 24, and the maximum diameter of the hollow holes 31 in the fourth hollow hole group 36 is smaller than the minimum particle size of the culture medium in the fourth culture medium layer 25.
Preferably, the partition plate 32 is not perforated with hollow holes 31 at a position 5mm away from the inner wall of the main culture box 100, and small holes of 3mm are uniformly distributed.
Preferably, the space between the bottom surface of the main box 100 and the bottom plate 21 and the position corresponding to the lowest layer of the partition board 30 are only provided with the support columns 37, which are all hollow structures.
The invention also provides a method for cultivating the young mollusks in the small water body, which comprises the following steps:
S1, preparing dried bait pellets by using dead marine organisms. The method specifically comprises the following steps:
and S11, preparing the dead marine organisms into chyme.
Wherein the dead marine organisms are frozen or chilled fish, mollusks and small arthropods, but the dead marine organisms cannot be used. One or more dead marine organisms may be homogenized separately or in combination to form chyme.
And S12, suspending the prepared chyme on bolting silk, standing for 30-50 min, and draining part of water.
Specifically, the prepared chyme is spread into a thin layer with the thickness not exceeding 3mm, and is placed on 100-mesh bolting silk to drain partial water, wherein the draining time is 30-50 min.
And step S13, mixing the drained chyme, oyster shell powder and 5% sodium alginate solution according to the mass ratio of 2:6:1, and stirring to a completely and uniformly mixed state to prepare a mixture. The oyster shell powder is preferably oyster shell powder with the particle size of 75 microns.
And S14, pumping the mixture by a peristaltic pump, slowly suspending and dripping the mixture into a 1.5% calcium chloride solution, and standing for 2 hours to prepare the wet bait particles.
Preferably, the peristaltic pump flow is set to 2.0rpm, the discharge outlet pipe is 15cm from the calcium chloride solution liquid level, and the peristaltic pump hose diameter is 3mm.
And S15, fishing out the prepared wet bait particles, draining water, and putting the wet bait particles into a baking oven to be baked into dry bait pellets.
Preferably, the wet bait particles are dried for 12 hours at 60 ℃ after being fished out and drained.
In the embodiment of the invention, frozen artemia adults, ice fresh black sea bream and fresh crassostrea gigas are respectively used as bait raw materials, bait particles are prepared according to the method of the invention for feeding, a bait selection behavior test is carried out, and the number of conch in each feeding tray is used as a feeding preference index when feeding for 6 hours. The experimental result shows that after 2 hours of feeding, the conch has obvious feeding behavior on the feeding bait, the preference of the conch on fish feeding is more obvious, the conch is the shellfish, the preference of the conch on crustaceans is the worst, and the difference among the conch, the conch and the shellfish is obvious. Therefore, in the case of producing the conch bait, it is preferable to use fish or a raw material mainly containing fish for production.
S2, taking bait pellets accounting for 20% of the total mass of the cultivated conch at the evening time every day, and placing the bait pellets into a feeding tray for feeding.
Bait pellets are weighed according to the total weight of the cultivated conch, the feeding frequency is 1 time per day, and the feeding time is selected in the evening of each day. During feeding, the bait pellets are put into a feeding tray made of bolting silk, iron wires and strings for feeding, and after feeding for 8 hours, the feeding tray and the residual bait are lifted together, dried and weighed.
Preferably, the daily feeding time is selected from 18:00 to 20:00 pm on the same day.
Preferably, the diameter of the feeding tray is not more than one fifth of the shortest side length of the cultivation module.
Preferably, the bolting silk used for the feeding tray is 100 meshes.
In the embodiment of the invention, the dried bait pellets are prepared by mixing the artemia, the jade muscle fish, the chyme prepared by the crassostrea gigas soft body part and the like according to the method of the invention, the test is started at 14:00 pm, the time between 17:00 and 19:00 and the time between 5:00 and 7:00 are recorded as the morning time, the time between 7:00 and 17:00 is the daytime, the time between 19:00 and the next morning 5:00 is the night, and the number of the conch on the feeding tray is recorded every 4 hours for 24 hours. The test results show that the feeding rhythm of the conch is generally less in daytime and is obviously different from the two time periods of night and morning and evening. The night feeding amount is the largest, but the difference from the morning feeding behavior is not obvious. Therefore, in view of the convenience of feeding and the feeding rule of the conch, the afternoon of the day is selected as the feeding time.
And step S3, maintaining the culture substrate in the culture substrate layer regularly. The maintenance frequency is preferably once per week.
The method specifically comprises the following steps:
and S31, taking out parts except the bottom suction pump in the water treatment module, and reserving the bottom suction pump and corresponding pipelines of the bottom suction pump.
And S32, fixing a bottom suction pump on the partition board 30 between the culture module 20 and the water treatment module, wherein a pump inlet is aligned with the hollowed-out holes 31 of the partition board 30, sucking out organic matters adsorbed on the surface layer of the culture substrate in the culture substrate layer, and adding equal amount of homothermal and homosalt seawater while discharging the wastewater.
Preferably, each time the culture substrate maintains 1/3 of the total water volume discharged from the main culture tank.
Preferably, the number of bottom suction pumps used in maintenance of the culture substrate is determined based on the size of the bottom suction pumps and the width of the partition board, so that the bottom suction pumps can cover the whole bottom layer of the partition board.
Step S33, removing part of oyster shell powder by using a suction pipe according to the color change of the oyster shell powder in the surface layer culture substrate layer and replacing. The oyster shell powder turns yellow and black or the surface is absorbed with mucus and needs to be replaced when the naked eyes see the mucus.
In addition, during the cultivation process. The biochemical cotton is cleaned and replaced 1 time every 7 days, and fresh water in the water supplementing device is replaced every 15 days.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The indoor small water body cultivation system for the conch larvae is characterized by comprising a cultivation main box body, and a cultivation module and a water treatment module which are arranged in the cultivation main box body, wherein the cultivation module and the water treatment module are separated by a hollowed-out partition board, the cultivation module is of a bed structure and comprises a hollowed-out bottom board which is arranged at a certain distance from the inner bottom surface of the cultivation main box body, a plurality of cultivation substrate layers are arranged on the upper surface of the bottom board, a plurality of hollowed-out hole groups with hollowed-out holes are arranged on the partition board, the number of the cultivation substrate layers is the same as that of the hollowed-out hole groups, the cultivation substrate layers on the same level correspond to the hollowed-out hole groups, the water treatment module comprises a bottom suction pump, and the water treatment module is configured to suck organic matters in the cultivation module out of the cultivation main box body through the hollowed-out hole groups;
the diameters of the hollow holes in the same hollow hole group are the same, and the interval distance between the adjacent hollow holes is 1.5 times of the diameters of the hollow holes;
The cultivation substrate layer sequentially comprises a first cultivation substrate layer, a second cultivation substrate layer, a third cultivation substrate layer and a fourth cultivation substrate layer from bottom to top, wherein the first cultivation substrate layer is terrazzo, the grain size range of the terrazzo is 3-6 cm, the second cultivation substrate layer is a heavy water-soluble large haydite, the grain size range of the heavy water-soluble large haydite is 2-3 cm, the third cultivation substrate layer is a heavy water-soluble small haydite, the grain size range of the heavy water-soluble small haydite is 0.3-0.5 mm, the fourth cultivation substrate layer is oyster shell powder subjected to high-temperature burning and crushing treatment, and the grain size of the oyster shell powder is 150-300 mu m;
The partition plate comprises a partition plate body, wherein the partition plate body sequentially comprises a first hollowed-out hole group, a second hollowed-out hole group, a third hollowed-out hole group and a fourth hollowed-out hole group from bottom to top.
2. A system for indoor small water body cultivation of conch larvae as claimed in claim 1, wherein the cultivation substrate particle size in the lower layer of said cultivation substrate is larger than the cultivation substrate particle size in the upper layer of said cultivation substrate.
3. The system for indoor small water body cultivation of conch larvae according to claim 1, wherein the water treatment module further comprises a filter, a trickle type water supplementing device, a protein separator with a needle brush pump and a water goblet with filter cotton, wherein fresh water is contained in the trickle type water supplementing device, in a non-substrate maintenance state, the inlet end of the filter is communicated with the pump outlet of the bottom suction pump, the needle brush pump and the filter cotton are sequentially arranged from low to high, in a substrate maintenance state, the bottom suction pump is fixed on the partition plate, and the pump inlet of the bottom suction pump corresponds to the position of the hollowed-out hole group.
4. A method for cultivating small water bodies in a young mollusk, which is characterized by using the small water body cultivation system in a young mollusk according to any one of claims 1-3, comprising:
Making dry bait pellets by using dead marine organisms;
In the evening of each day, bait pellets accounting for 20% of the total mass of the cultivated conch are put into a feeding tray for feeding;
And (5) maintaining the culture substrate in the culture substrate layer regularly.
5. The method for indoor small water body cultivation of conch larvae of claim 4, wherein the preparing dry bait pellets by using dead marine organisms comprises:
preparing dead marine organisms into chyme;
suspending and standing the prepared chyme on bolting silk for 30-min-50 min, and draining part of water;
Mixing the drained chyme with oyster shell powder and 5% sodium alginate solution according to the mass ratio of 2:6:1, and stirring to a completely and uniformly mixed state to prepare a mixture;
pumping the mixture by a peristaltic pump, slowly suspending and dripping the mixture into a 1.5% calcium chloride solution, and standing for 2 hours to prepare wet bait particles;
and fishing out the prepared wet bait particles, draining, and putting the wet bait particles into a baking oven to be baked into dry bait pellets.
6. The method for indoor small water body cultivation of conch larvae according to claim 4 or 5, wherein the dead marine organism is any one or more of frozen or chilled fish, mollusk and small arthropod.
7. The method for indoor small water body cultivation of conch larvae of claim 4, wherein the periodically maintaining the cultivation substrate in the cultivation substrate layer comprises:
taking out parts except the bottom suction pump in the water treatment module, and reserving the bottom suction pump and corresponding pipelines of the bottom suction pump;
Fixing a bottom suction pump on a partition plate between the culture module and the water treatment module, wherein a pump inlet is aligned to a hollowed hole of the partition plate, and sucking out organic matters adsorbed on the surface layer of the culture substrate in the culture substrate layer;
according to the color change of oyster shell powder in the surface layer culture substrate layer, a part of oyster shell powder is removed by a suction pipe and replaced.
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| CN110959561A (en) * | 2018-09-30 | 2020-04-07 | 青岛华大基因研究院 | Method and system for breeding marine animals |
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| JP3022030U (en) * | 1995-08-25 | 1996-03-12 | 守哉 南浦 | Aquaculture facility |
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| CN109275608B (en) * | 2018-11-29 | 2021-06-08 | 浙江海洋大学 | A floating ball pneumatic squid baiting device and feeding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108147546A (en) * | 2018-03-09 | 2018-06-12 | 中国水产科学研究院黄海水产研究所 | Double-circulation seawater prawn comprehensive breeding system |
| CN110959561A (en) * | 2018-09-30 | 2020-04-07 | 青岛华大基因研究院 | Method and system for breeding marine animals |
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