CN213756283U - Aquatic product selective culture system - Google Patents

Abstract

The utility model relates to an aquaculture technical field specifically discloses an aquaculture selects farming systems, aquaculture selects farming systems including breed case, inlet tube, spawn soak device, shrimp nest, row's of material subassembly and isolator. The utility model discloses an arrange the aquatic products parent in and take off ovum soak device and breed and manage, separate collection embryonated egg after the mating is laid eggs and is produced the embryonated egg, carry the larva to breed and manage to it after the embryonated egg hatches to the larva through the shrimp nest, count and weigh with the part water products of gathering with the screening in the isolator again through water level control, weight when can be to the aquatic products of breed in different stages, quantity, survival rate etc. are collected, calculate genetic parameter through handling, can be fit for the accurate breeding of big sample population, the problem that current freshwater shrimp breeding cultured equipment exists and can't carry out accurate breeding to big sample population has wide market prospect.

Description

Aquatic product selective culture system

Technical Field

The utility model relates to an aquaculture technical field specifically is an aquatic products selects farming systems.

Background

The freshwater shrimps are excellent aquaculture products and high-grade aquatic products, and with the increasing of scientific and technological support of the freshwater shrimps in China and places, the freshwater shrimp aquaculture field also obtains remarkable results, so that the freshwater shrimps are gradually brought to a dining table of common people. At present, particularly in the breeding aspect of freshwater shrimps, a new variety with excellent seeds is cultivated through long-term work of an aquatic breeding technologist, the yield and the product quality are greatly improved, but the breeding of the freshwater shrimps is still a hot spot.

Generally, the data acquisition of countable characters and quantifiable characters is difficult due to ecological habits and characteristics of small and fragile freshwater shrimps, operation intolerance, spawning incubation and the like, and serious obstacles are set for the genetic breeding of the freshwater shrimps. At present, the breeding process and the implementation of the freshwater shrimps are mainly carried out in a cement pond and a net cage, and equipment and facilities are rough and lagged, so that the breeding and the breeding effects and the survival rate are poor, and the freshwater shrimps are easy to die due to carelessness; the breeding and breeding management of a plurality of groups and families occupies huge breeding equipment, and is difficult to operate, observe and the like; due to the fact that facilities fall behind and system condition differences are unavoidable, large system errors can be generated on breeding results, the use of some advanced technological technologies is limited, for example, fluorescent markers and the like cannot be used for groups with large sample numbers, and the further breeding progress of the freshwater shrimps is limited.

Therefore, the existing freshwater shrimp culture technical scheme has the following defects in actual use: the existing freshwater shrimp breeding and breeding equipment has the problem that large sample groups can not be bred accurately.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an aquaculture system is selected to aquatic products to current freshwater shrimp breeding cultured equipment who proposes in solving above-mentioned background art exists the problem that can't carry out accurate breeding to big sample colony.

The embodiment of the utility model provides a realize like this, a farming system is selected to aquatic products, including a plurality of breed casees that are used for aquatic products to breed, and be used for to breed case carries the inlet tube of water, aquatic products select farming system still includes:

the egg-removing soaking device is arranged in the culture box and is used for mating and laying eggs of aquatic product parents to generate fertilized eggs, and the fertilized eggs are separated and collected for counting and weighing;

the shrimp nest is arranged in the culture box, is communicated with the output end of the egg-removing soaking device and is used for conveying the larvae onto the fertilized eggs for culture and management after the fertilized eggs are incubated to the larvae;

a material discharge component arranged on one side of the breeding box far away from the water inlet pipe and used for discharging the materials in the breeding box, and

the separator is arranged on one side, facing the discharge assembly, of the shrimp nests in the breeding box and used for screening and gathering part of water products in the breeding box when the water level in the breeding box drops, and the water level in the breeding box can be lifted in the breeding process so as to lift the separator and count and weigh aquatic products in the separator.

In another embodiment of the present invention, there is provided a method for selectively breeding freshwater shrimps, which comprises the steps of: selecting the freshwater shrimp heterosexual parents (female freshwater shrimps and male freshwater shrimps) with synchronous gonad development periods, placing the parents into an egg-removing soaking device for cultivation and management, separating and collecting fertilized eggs through the egg-removing soaking device after mating and oviposition to generate the fertilized eggs, and counting and weighing the fertilized eggs; then, after the fertilized eggs are hatched to the larvae through the shrimp nests, the larvae are conveyed to the fertilized eggs for cultivation and management, and the separated fertilized eggs and the hatched larvae are counted; and in the culture process, the water level in the culture box is lifted to count and weigh part of the aquatic products in the culture box which are screened and gathered in the isolator so as to realize selective breeding.

In another embodiment of the present invention, there is also provided an application of the selective cultivation method for freshwater shrimps in large-scale breeding of aquatic products. The aquatic product may be crayfish, freshwater shrimp, grass shrimp, prawn, crab, etc.

Compared with the prior art, the beneficial effects of the utility model are that:

the embodiment of the utility model provides an aquatic products select farming systems, including breed case, inlet tube, take off ovum soak device, shrimp nest, row material subassembly and isolator, take off the ovum soak device and be used for the aquatic products parent mating to lay eggs and produce the embryonated egg, and separate the collection the embryonated egg counts and weighs, the isolator is used for screening and gathering some aquatic products in the breed case when the water level in the breed case descends to count and weigh the aquatic products in the isolator; the utility model discloses a through putting the aquatic products parent in taking off the ovum soak device and breeding and managing, separate after mating and laying eggs and producing the fertilized egg and collect the fertilized egg counts and weighs; then, after the fertilized eggs are hatched to the larvae through the shrimp nests, the larvae are conveyed to the fertilized eggs for cultivation and management, and the separated fertilized eggs and the hatched larvae can be counted; then, counting and weighing partial water products which are screened and gathered in the isolator by lifting the water level in the cultivation box in the cultivation process; therefore, the method can record, count and collect the weight, the number, the survival rate and the like of the cultured aquatic products in different stages by adopting a plurality of culture boxes, and then process and calculate the genetic parameters to provide a basis for next genetic selection, so that the method is suitable for the accurate breeding of large sample groups, solves the problem that the existing freshwater shrimp breeding and culturing equipment cannot accurately breed the large sample groups, and has wide market prospect.

Drawings

Fig. 1 is a schematic structural view of a selective aquaculture system for aquatic products according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a cultivation box in the aquatic product selective cultivation system according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the egg-removing soaking device in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a propagation container in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an egg counting device in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a box body in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a shrimp nest in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a cell structure in the aquatic product selective culture system according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of an isolator in an aquatic product selective culture system according to another embodiment of the present invention.

Fig. 10 is a schematic structural view of a soil removal device in an aquatic product selective culture system according to another embodiment of the present invention.

In the figure: 1-liquid container; 2-propagation vessel; 3-a first drain pipe; 4-mesh sheet; 5-a solid dish; 6-a funnel; 7-a filter element; 8-counting cylinder; 9-a first flow regulating assembly; 10-a water inlet pipe; 11-a second flow regulating assembly; 12-a culture box; 13-a connecting tube; 14-a second drain pipe; 15-a connecting pipe; 16-a water injection pipe; 17-a third flow regulating assembly; 18-a box body; 19-shrimp nest; 20-a decontamination device; 21-a housing; 22-installation space; 23-a trough body; 24-a drain interface; 25-a mounting seat; 26-single nest structure; 27-a fixing member; 28-dense separators; 29-a hydrophobic separator; 30-net cage body; 31-a solid body; 32-a cover plate; 33-filtration pores; 34-the main body of the cleaner.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention. In order to make the technical solution of the present invention clearer, the process steps and device structures well known in the art are omitted here.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1-8, for the utility model discloses a structure diagram of farming system is selected to aquatic products that an embodiment provided, aquaculture selects farming system includes a plurality of breed casees 12 that are used for aquatic products to and be used for to breed case 12 and carry the inlet tube 10 of water, aquaculture selects farming system still includes:

the egg-removing soaking device is arranged in the culture box 12 and is used for mating and laying eggs of aquatic product parents to generate fertilized eggs, and separately collecting the fertilized eggs for counting and weighing;

a shrimp nest 19, which is arranged in the breeding box 12, is communicated with the output end of the egg-removing soaking device, and is used for conveying the larvae onto the fertilized eggs for breeding and management after the fertilized eggs are incubated to the larvae;

a discharging component arranged on one side of the breeding box 12 far away from the water inlet pipe 10 and used for discharging the materials in the breeding box 12, and

the separator is arranged on one side, facing the discharge assembly, of the shrimp nests 19 in the cultivation box 12 and used for screening and collecting part of water products in the cultivation box 12 when the water level in the cultivation box 12 drops, and the water level in the cultivation box 12 can be lifted in the cultivation process so as to lift the separator and count and weigh the aquatic products in the separator.

In the embodiment of the utility model, the female parent and the male parent are selected in the aquatic product breeding family group and placed in the egg-taking-off soaking device for breeding and management, and after mating and laying eggs and producing fertilized eggs, the fertilized eggs are separated and collected by the egg-taking-off soaking device for counting and weighing; then, after the fertilized eggs are hatched to the larvae through the shrimp nests 19, the larvae are conveyed to the fertilized eggs for cultivation and management, and the separated fertilized eggs and the hatched larvae can be counted; then, in the culture process, the water level in the culture box 12 is lifted to lift the isolator, and part of water products in the isolator, which are screened and collected in the culture box 12, are counted and weighed; therefore, the method of using a plurality of breeding boxes 12 can record, count and collect the weight, quantity, survival rate and the like of the cultured aquatic products in different stages, classify and record the aquatic products according to the serial numbers of families or groups, process big data according to breeding software, calculate genetic parameters (can be the method of using the prior art, and is not repeated here), provide basis for next genetic selection, thereby being suitable for accurate breeding of large sample groups, and solving the problem that the existing freshwater shrimp breeding and breeding equipment cannot accurately breed the large sample groups.

The utility model discloses an in an example, be provided with at least one first flow control assembly 9 on the inlet tube 10, can realize the switching to inlet tube 10 through first flow control assembly 9 to can regulate and control the material flow of carrying to breeding in the case 12, also can realize breeding the water level lift in the case 12 through regulating and controlling.

In another example of the present invention, the cultivation boxes 12 may be fixedly installed on an external wall or an external device, and also may be detachably installed, and specifically, bolts, nuts, buckles, screws, etc. may be adopted to realize detachable connection.

Further, as a preferred embodiment of the utility model, the ovum soak device that takes off includes liquid container 1 and sets up a plurality of reproduction containers 2 in the liquid container 1, liquid container 1 orientation one side of shrimp nest 19 is provided with first drain pipe 3.

The embodiment of the utility model provides an in, it is concrete, breed container 2 and can adopt and breed the ware, it includes real dish 5 and sets up to breed the ware net 4 on the real dish 5, enclose and set up through net 4 real dish 5 upper end to can constitute a structure that can hold certain solution and can make the solution on upper portion flow out.

In another embodiment of the present invention, it is preferable that the liquid container 1 has a large and shallow area, and the maximum liquid container height thereof submerges the solid surface part (solid surface vessel 5) at the lower end of the propagation vessel, so that the liquid can enter the propagation vessel. The propagation dish is square, the lower small part is a solid dish 5, and the upper part is composed of a net 4. When the product is freshwater shrimp, mating and spawning of parent shrimp, and culturing of freshwater shrimp larva and shrimp fry can be completed in the egg-removing soaking device and the culturing box 12; during the debonding, the egg-carrying shrimps are immersed in the egg-removing liquid (which may be the prior art and is not described herein) in the liquid container 1, so that the fertilized eggs can be obtained by egg-removing.

In another example of the present invention, the first drainage pipe 3 is provided with a drainage switch, which can be an existing product such as a valve, and the specific model is selected according to the requirement, which is not limited herein.

Further, as the utility model discloses a preferred embodiment, it still collects to take off ovum soak device including being used for the separation the zygote carries out the meter ovum ware that counts, it includes funnel 6 and counting cylinder 8 to count the ovum ware, the opening of funnel 6 is used for the input zygote, be provided with in the funnel 6 and be used for separating out the filtration piece 7 of zygote, funnel 6 is kept away from open-ended one end with 8 detachable connections of counting cylinder, 8 tip of counting cylinder are provided with the through-hole.

The embodiment of the utility model provides an in, it is concrete, the ovum shrimp of embracing when taking off the ovum immerses in the flourishing liquid ware 1 of putting into and takes off the ovum liquid (can be adopting prior art, here do not do the perplexing), and the embryonated egg that obtains through taking off the ovum flows out from the mesh of net piece 4, breed container 2 and arrange in the opening of funnel 6, and then can catch the embryonated egg of outflow, also can be the manual work and fish out the embryonated egg and put into funnel 6 to accomplish the input of embryonated egg, specific mode is selected according to the demand, does not do the injecing here.

The utility model discloses an in an example, it is preferred, after through the input embryonated egg, realize the separation through filtering 7 and select the embryonated egg and detach the breed water, then take out and filter 7 and send the embryonated egg into a count section of thick bamboo 8 and count and weigh.

In another embodiment of the present invention, moreover, the oosperm and the young freshwater shrimp can be counted in the egg counting device, the upper end of the egg counting device is a funnel 6, the lower half part of the funnel 6 is provided with a filtering piece 7, the filtering piece 7 can specifically adopt a watertight net piece, the lower end of the funnel 6 is connected with a counting cylinder 8, the counting cylinder 8 is provided with scales, the bottom of the counting cylinder 8 is provided with a plurality of micropores, when counting the oosperm, the oosperm separated from the propagation container 2 is poured into the egg counting device together with a small amount of water, most of the water flows out along with the filtering piece 7, the oosperm is collected in the counting cylinder along with gravity, and the total number is calculated according to the number of unit scales; the same procedure is used for counting the larvae.

Further, as a preferred embodiment of the present invention, the discharging assembly includes a second water discharging pipe 14 disposed on one side of the water inlet pipe 10 and connected to the two adjacent second water discharging pipes 14 through a connecting pipe 13, and the connecting pipe 13 is provided with a plurality of second flow regulating assemblies 11.

In the embodiment of the present invention, the second flow regulating assembly 11 can regulate the opening and closing of the second drainage pipe 14 and the connecting pipe 13, so as to discharge the material in the cultivation box 12.

In an embodiment of the present invention, preferably, the water source pool of the aquatic product selection cultivation system is a cultivation pool and a grass-type pool which are arranged outside, the cultivation pool is dedicated for cultivating water, and the cultivation method is the same as the shrimp seedling fattening water pool, and provides partial bait for the freshwater shrimp larvae; the grass type pond is the pond of growing grass, for the freshwater shrimp becomes shrimp and breeds and provide the water source, and water inlet pipe 10 and row material subassembly all connect the water source pond respectively through the pipeline.

Further, as a preferred embodiment of the present invention, the cultivation box 12 comprises a box body 18 and a decontamination device 20, the box body 18 comprises a housing 21 and an installation space 22 provided in the housing 21, the installation space 22 is used for installing the shrimp nest 19.

The embodiment of the utility model provides an in, be provided with the third flow control assembly 17 that is used for controlling the switching on the decontaminating apparatus 20, come control decontaminating apparatus 20's switching through the regulation of third flow control assembly 17, and then can be favorable to guaranteeing aquaculture environment's sanitation and hygiene through the filth discharge box 18 that decontaminating apparatus 20 will produce.

In an example of the present invention, it is preferable that the housing 21 is square, and the installation space 22 is an inverted square frustum, i.e. the whole box 18 has an upper portion of square, a middle portion of inverted square frustum, and a bottom of rectangular groove.

Further, as the utility model discloses a preferred embodiment, inlet tube 10 is in through intercommunication pipeline 15 with the setting water injection pipe 16 intercommunication in the box 18, a plurality of trompils have been seted up on the water injection pipe 16 for pour into the material into in the box 18.

The utility model discloses an in an example, it is concrete, water injection pipe 16 is connected with inlet tube 10 through communicating pipe 15, and water injection pipe 16 is the porous pipe of single row, divides to be listed as along on breeding the relative both sides of case 12, forms along the decurrent impulsive force of wall when intaking, causes running water environment and deposited impurity, and water injection pipe 16 is parallel with the rectangular groove of breeding the case 12 bottom of the case.

As shown in fig. 6-10, further, as a preferred embodiment of the present invention, the one end of the installation space 22 far away from the water inlet pipe 10 is communicated with a groove body 23 for installing the dirt removing device 20, the one end of the groove body 23 far away from the water inlet pipe 10 is provided with a drainage port 24, that is, the groove body 23 is a rectangular groove at the bottom of the cultivation box 12, and the dirt removing device 20 is disposed in the rectangular groove and plays a role of collecting and removing dirt.

The embodiment of the utility model provides an in, the isolator is including the box with a net body 30 that is used for being connected with shrimp nest 19, the box with a net 30 other end and the solid body 31 are connected, and is concrete, the box with a net 30 is that the mouth is square, can laminate in the last middle part junction of box 18, and it is square that the bottom is the shrink, constitutes upper portion and is the box with a net 30 of isolator and the lower part is the structure of the solid body 31 of isolator. When the water level of the cultivating box 12 falls, the freshwater shrimps can be automatically gathered in the water in the solid body 31. The freshwater shrimps in the solid bodies 31 can be counted and metered by removing the shrimp nests 19.

In an example of the present invention, the decontamination device 20 includes a decontamination device main body 34 disposed in the tank body 23, a plurality of filtering holes 33 are disposed at an upper opening of the decontamination device main body 34, and a cover plate 32 for sealing an upper opening of the decontamination device main body 34 is further disposed thereon.

In yet another example of the present invention, preferably, the soil remover main body 34 is a waterwheel column, the filter hole 33 is a strip hole, and is uniformly disposed at the upper end of the soil remover main body 34, the cover plate 32 is a strip hole cover plate, the strip hole cover plate covers the upper opening of the rectangular groove at the bottom of the cultivation box 12, and the waterwheel column is suspended under the strip hole cover plate.

The utility model discloses an in still another example, the waterwheel post is both ends circle closure, and the surface has a plurality ofly to constitute the chute with the tangent inclined plane in post surface, and the chute edge has the brush, and the water that flows down from the strip orifice cover plate drives waterwheel post unidirectional rotation, and the brush is washhed the strip orifice, prevents to block.

Further, as a preferred embodiment of the utility model discloses, shrimp nest 19 includes mount pad 25, parallel arrangement has a plurality of single nest structures 26 on the mount pad 25, be connected through mounting 27 between single nest structure 26 and the mount pad 25, single nest structure 26 is including setting up the single nest main part on mount pad 25, and a plurality of close separating parts 28 and a plurality of separating parts 29 of loosing are arranged according to the array respectively in the single nest main part.

In an example of the utility model, it is preferred, shrimp nest 19 is placed on the isolator, mount pad 25 is big end down's a plurality of square mesa, a single nest structure 26 is constituteed to every mesa, fixed square mesa is the mounting 27 (being the fixed column) at four angles, make whole four prismatic table forms, except top layer mesa, be vertically separation structure on every mesa, separation structure includes closely separating part and sparsely separating part, a plurality of closely separating part 28 constitute closely separating part, a plurality of sparsely separating part 29 constitute sparsely separating part, sparsely separating part and closely separating part are relative perpendicular setting, the freshwater shrimp can perch in the separation space of difference and on the surface, ingest and the decladding, when throwing the feed, the fodder can fall to around each mesa, make things convenient for different layers shrimp to ingest, can increase the breed density of shrimp and reduce the damage of fighting.

In another example of the present invention, the first flow regulating assembly 9, the second flow regulating assembly 11, and the third flow regulating assembly 17 may be valve products in the prior art, and the control of the valve may adopt various transmission modes, such as manual, electric, hydraulic, pneumatic, turbine, electromagnetic hydraulic, electrohydraulic, pneumatic hydraulic, spur gear, bevel gear driving, etc., preferably, the flow regulating assembly 24 is an electromagnetic flow valve in the existing product, and the specific model is selected according to the requirement, and is not limited herein, as long as the flow regulating assembly can be operated according to the predetermined requirement under the action of pressure, temperature or other form of sensing signal, or can be simply opened or closed without depending on the sensing signal, so as to change the size of the flow passage area to realize the control function.

In another example of the present invention, the water injection and drainage control of the aquatic product selective cultivation system is implemented based on the combination of a plurality of cultivation boxes 12, and the cultivation system comprising other facilities, and water can be supplied to a plurality of cultivation boxes 12 by opening the valve of the water inlet pipe 10 (total water inlet pipe); and the second flow regulating assembly 11 (water drainage master control) is opened, and the water can be uniformly drained from the plurality of cultivation boxes 12. Preferably, the water drainage master control can also be composed of a control handle, a connecting chain and a water drainage valve handle. The connecting chain is connected with a plurality of drainage valves at the same position and then connected with the control handle, and the drainage valves are opened and closed by moving the control handle.

The utility model discloses an embodiment still provides a freshwater shrimp selects farming methods, adopts foretell aquatic products to select farming systems, freshwater shrimp selects farming methods specifically includes following step: selecting the freshwater shrimp heterosexual parents (female freshwater shrimps and male freshwater shrimps) with synchronous gonad development periods, placing the parents into an egg-removing soaking device for cultivation and management, separating and collecting fertilized eggs through the egg-removing soaking device after mating and oviposition to generate the fertilized eggs, and counting and weighing the fertilized eggs; then, after the fertilized eggs are hatched to the larvae through the shrimp nests 19, the larvae are conveyed to the fertilized eggs for cultivation and management, and the separated fertilized eggs and the hatched larvae are counted; in the breeding process, the water level in the breeding box 12 is lifted to lift the isolator, and part of the aquatic products screened and gathered in the isolator in the breeding box 12 are counted and weighed to realize selective breeding.

In another embodiment of the present invention, the method for selectively breeding freshwater shrimps specifically comprises the following steps:

first), selecting and mating freshwater shrimps: in the breeding season of the freshwater shrimps, the freshwater shrimps are intensively cultivated according to a conventional method, so that the gonad development period is synchronized. The freshwater shrimps are selected from breeding populations including family populations or strains or regional populations, female freshwater shrimps and male freshwater shrimps are selected and placed into a propagation vessel (namely a propagation container 2) according to a certain proportion for breeding and management, and the propagation vessel is placed into a breeding box 12. The number of propagation vessels is determined according to the number of the colony and the size of the sample. When the female freshwater shrimps are laid with eggs, the breeding dish is lifted slightly until the water just submerges the shrimp bodies, the male shrimps are removed, and only the female shrimps with eggs are kept to be cultured in the breeding dish continuously. In this stage, the freshwater shrimps before spawning and the egg-spawned female shrimps can be weighed.

II), natural hatching or debonding hatching: when the freshwater shrimps are cultured in a propagation dish for a certain period, the fertilized eggs are stripped in vitro when the fertilized eggs develop to the eyespot. The specific method is that the female shrimps with eggs are lightly held by one hand, and the fertilized eggs are brushed off by the other hand with a writing brush. Before the in vitro stripping, the egg-carrying female shrimps and the propagation dish are moved into the egg-removing liquid together, and the concentration of the egg-removing liquid is half of the normal concentration. Hatching the fertilized eggs in vitro in a common incubator to obtain seedlings. In this stage, the female shrimps after egg dropping can be weighed, and the dropped fertilized eggs and hatched shrimp larvae can be counted in an egg counter.

Thirdly), selecting shrimp larvae: and taking the same number of young seedlings which are just hatched out, continuously culturing in a propagation vessel until metamorphosis is completed to young shrimps, lifting the propagation vessel, and directly putting the young shrimps with the same number into the culture box 12 for culturing and managing. During this phase, the young shrimp can be counted.

Fourthly), selecting the stage of cultivating into shrimps: from the stage of young shrimp to the stage of adult shrimp in the cultivation tank 12. In the breeding process, the water level can be reduced, the isolators are lifted, the shrimps in the isolators are counted and weighed, then the breeding is kept in the breeding box 12 for breeding until the breeding season in the next year, and breeding is selected again according to the steps.

Fifthly), data arrangement: the weights of the freshwater shrimps in different stages, the egg number, the larva number, the shrimp fry number, the individual weights in different growth stages, the survival rate, the fecundity and the like are classified according to the serial numbers of families or groups, the electronic forms are input item by item, then the big data is processed according to breeding software, the genetic parameters are calculated, and the basis is provided for the next genetic selection.

In order to carry out specific explanation the utility model discloses can solve present freshwater shrimp selection system error great, can't go on to big sample colony, the operation difficulty, the breeding process is poor to external factor's resistance, and multiple breeding method is difficult to develop the drawback such as, and is several below the utility model discloses an embodiment that aquatic products selected farming systems specifically set up:

example 1

And 5, performing family breeding on the freshwater shrimps, preparing to establish 200 families, and performing family selection in an aquatic product selection culture system, wherein the family selection specifically comprises the following steps:

first, system equipment technology

In this embodiment, the aquatic product selective culture system includes:

1) the egg-removing soaking device comprises: the breeding container 2 can adopt a breeding dish, the area of the liquid container 1 is large and shallow, and the solid surface part (solid surface dish 5) at the lower end of the breeding dish is submerged by the maximum height of the liquid container, so that the liquid can enter the breeding dish. The propagation dish is square, the lower small part is a solid dish 5, and the upper part is composed of a net 4. When the product is freshwater shrimp, mating and spawning of parent shrimp, and culturing of freshwater shrimp larva and shrimp fry can be completed in the egg-removing soaking device and the culturing box 12; during the debonding, the egg-carrying shrimps are immersed in the egg-removing liquid (which may be the prior art and is not described herein) in the liquid container 1, so that the fertilized eggs can be obtained by egg-removing. Fertilized eggs and freshwater shrimp larvae can be counted in an egg counter. The upper end of the egg counting device is a funnel-shaped funnel 6, the lower half part of the funnel 6 is provided with a filtering piece 7, the filtering piece 7 can be a watertight net piece, the lower end of the funnel 6 is connected with a counting cylinder 8, the counting cylinder 8 is provided with scales, the bottom of the counting cylinder 8 is provided with a plurality of micropores, when fertilized eggs are counted, the fertilized eggs separated from the propagation container 2 are poured into the egg counting device together with small amount of water, most of water flows out along with the filtering piece 7, the fertilized eggs are collected in the counting cylinder along with gravity, and the total number is calculated according to the number of unit scales; the same procedure is used for counting the larvae.

2) The culture device comprises: comprises a culture box 12, a water inlet and drainage system (i.e. a water inlet pipe 10 and a discharge assembly) and a water source pool. The water source pool of the aquatic product selection culture system is a water culture pool and a grass-type pool which are arranged outside, the water culture pool is specially used for culturing water, and the water culture method is the same as that of a shrimp seedling fattening water pond and is used for providing part of bait for the freshwater shrimp larvae; the grass type pond is the pond of growing grass, for the freshwater shrimp becomes shrimp and breeds and provide the water source, and water inlet pipe 10 and row material subassembly all connect the water source pond respectively through the pipeline. The culture box 12 comprises a box body 18, a water injection pipe 16, a shrimp nest 19, an isolator, a decontamination device 20, a discharge assembly and the like.

In this embodiment, the box 18 has a square upper portion, an inverted square frustum middle portion, and a rectangular bottom portion, and the bottom portion of the rectangular bottom portion has a drain pipe connector.

Wherein, the water injection pipe 16 is connected with the water inlet pipe 10 through the communicating pipe 15, and the water injection pipe 16 is the porous pipe of single row, divides to be listed as on the relative both sides upper limb of breed case 12, forms along the decurrent impulsive force of wall when intaking, causes running water environment and deposit impurity, and the water injection pipe 16 is parallel with the rectangular groove of the breed case 12 bottom of the case.

The shrimp nest 19 is arranged on the isolator, the shrimp nest 19 comprises a mounting seat 25, the mounting seat 25 is a plurality of square table tops with small top and large bottom, each table top forms a single nest structure 26, the fixing parts 27 (namely fixing columns) for fixing the square table tops are four corners, the whole body is in a quadrangular table shape, except for the table top, each table top is provided with a vertical separation structure, the separation structure comprises a dense separation part and a sparse separation part, namely, the dense separation parts are formed by the dense separation parts 28, the sparse separation parts are formed by the sparse separation parts 29, the sparse separation parts and the dense separation parts are arranged vertically, the freshwater shrimps can inhabit, ingest and exuviate in different separation spaces and surfaces, when the freshwater shrimps are fed, feed can fall to the periphery of each table top, the feeding of the freshwater shrimps on the same layer is facilitated, the breeding density of the freshwater shrimps can be increased, and fighting damage can be reduced.

The isolator comprises a net box body 30 used for being connected with the shrimp nest 19, the other end of the net box body 30 is connected with a solid surface body 31, specifically, the net box body 30 is square in upper opening, can be attached to the joint of the upper middle part of the box body 18, is square in contraction in the lower bottom, and forms a structure that the upper part is the net box body 30 of the isolator and the lower part is the solid surface body 31 of the isolator. When the water level of the cultivating box 12 falls, the freshwater shrimps can be automatically gathered in the water in the solid body 31. The freshwater shrimps in the solid bodies 31 can be counted and metered by removing the shrimp nests 19.

Wherein, the dirt separator 20 is arranged in a rectangular groove at the bottom of the box body 18 and plays a role in collecting and removing dirt. The soil removal device 20 is divided into a strip-shaped hole cover plate and a water column. The strip hole cover plate covers the upper opening of the rectangular groove, the waterwheel column is suspended under the cover plate, the two ends of the waterwheel column are circularly closed, the surface of the waterwheel column is provided with a plurality of inclined planes tangent to the column surface to form a chute, the edge of the chute is provided with a brush, water flowing down from the strip hole cover plate drives the waterwheel column to rotate in a single direction, and the brush washes the strip hole to prevent blockage.

3) Controlling water injection and drainage: the water injection and drainage control of the aquatic product selective culture system is realized by combining a plurality of culture boxes 12 together and adding other facilities to form the culture system, and water can be supplied to the culture boxes 12 by opening a valve of a water inlet pipe 10 (a main water inlet pipe); and the second flow regulating assembly 11 (water drainage master control) is opened, and the water can be uniformly drained from the plurality of cultivation boxes 12. Preferably, the water drainage master control can also be composed of a control handle, a connecting chain and a water drainage valve handle. The connecting chain is connected with a plurality of drainage valves at the same position and then connected with the control handle, and the drainage valves are opened and closed by moving the control handle. During the cultivation, water and impurities are deposited on the bottom of the cultivation tank 12 through the mesh body of the separator, and are discharged out of the tank through the soil remover 20 when being drained.

Second, family selection

1) Selection and mating of parent shrimps: in the breeding season of the freshwater shrimps, the freshwater shrimps are intensively cultivated according to a conventional method, so that the gonad development period is synchronized. Wherein, the freshwater shrimp is selected from female 220 tails and male 220 tails of the freshwater shrimp in a breeding population, and 10% of the freshwater shrimp is used as a propagation guarantee. The breeding dishes are placed into a breeding dish according to the proportion of 1 male and 1 female for breeding and management, and the breeding dish is placed at the top of a shrimp nest 19 in a breeding box 12. 220 breeding boxes 12 and breeding dishes respectively. When the female freshwater shrimps in the propagation dish are laid with eggs, the propagation dish is lifted slightly until the water just submerges the shrimp bodies, the male shrimps are removed, and the egg-laid shrimps are continuously cultured in the propagation dish. In this stage, the male, female and egg-carrying shrimps before egg-carrying can be weighed.

2) And (3) debonding and hatching: when the egg-carrying shrimps are cultured in a propagation dish for a certain period, the fertilized eggs are stripped in vitro when the fertilized eggs develop to the eyespot. The specific method is that the female shrimps with eggs are lightly held by one hand, and the fertilized eggs are brushed off by the other hand with a writing brush. Before the in vitro stripping, the egg-carrying female shrimps and the propagation vessel are moved into the egg-removing liquid together, the concentration of the egg-removing liquid is half of the normal concentration, and the soaking time is the normal egg-removing time or the normal concentration is the half of the normal soaking time. Hatching the fertilized eggs in vitro in a common incubator to obtain seedlings. Female shrimps which can be stripped in the stage can be weighed, and stripped fertilized eggs and hatched shrimp larvae can be counted in an egg counting device.

3) Selecting the shrimp larvae: and (3) continuously culturing 1500 newly hatched seedlings in respective propagation vessels until metamorphosis is completed to juvenile shrimps, lifting the propagation vessels, and directly placing 500 juvenile shrimps into the culture box 12 for culture and management. During this phase, the young shrimp can be counted.

4) Selecting the stage of cultivating adult shrimps: from the stage of young shrimp to the stage of adult shrimp in the cultivation tank 12. When the young shrimps grow to about 2 cm, 100 shrimps are reserved in each cultivation box 12. In the middle and final stages of the culture process, the water level is reduced, the isolator is lifted, the shrimps in the isolator are counted and weighed, then the cultivation is kept in the cultivation box 12 until the breeding season of the next 5 months, and the breeding is selected again according to the steps.

5) Data sorting: the number of the families built in this time is 207, and the families are sequentially arranged according to the following numbers: the method comprises the following steps of family number, individual weight (female and male freshwater shrimps, oozed shrimps and post-oozed female shrimps), egg grain number, hatched larvae, survival rate (two stages) and final stage individual weight, wherein 10 rows are counted, 50 growth weight measurements of each family are input into a spreadsheet one by one, 2 million original data are counted, after dimensionless data substitution is carried out, big data processing is carried out according to breeding software, genetic parameters are calculated, genetic breeding values are sequenced, and basis is provided for next genetic selection.

In this embodiment, the utility model provides a family selection method and system equipment of freshwater shrimp can show and reduce system error, is fit for the collection of a plurality of families or the big appearance reproduction of colony, breed, countable scalability form, increases maneuverability, the accuracy of genetic breeding and accelerates the breeding process. The utility model discloses can realize mating, debonding, hatching, seed cultivation and become the fertilized egg count, the shrimp fry count of shrimp fish culture in-process to a plurality of families of freshwater shrimp or the mating of a plurality of colonies through the equipment in the selection process to and the implementation and the data acquisition of different genetic breeding selection methods.

Example 2

And 5, performing family breeding on the freshwater shrimps, preparing to establish 100 families, and performing family selection in an aquatic product selection culture system, wherein the family selection specifically comprises the following steps:

first, system equipment technology

In this embodiment, the aquatic product selective culture system includes:

1) hatching without egg drop: specifically, the breeding container 2 is a square breeding dish, a small part at the lower end is a solid dish 5, and the parts above are composed of net sheets 4. Mating and oviposition of parent shrimps, and culturing juvenile freshwater shrimps and young shrimps in the breeding box 12; fertilized eggs and freshwater shrimp larvae can be counted in an egg counter. The upper end of the egg counting device is a funnel-shaped funnel 6, the lower half part of the funnel 6 is provided with a filtering piece 7, the filtering piece 7 can be a watertight net piece, the lower end of the funnel 6 is connected with a counting cylinder 8, the counting cylinder 8 is provided with scales, the bottom of the counting cylinder 8 is provided with a plurality of micropores, when fertilized eggs are counted, the fertilized eggs separated from the propagation container 2 are poured into the egg counting device together with small amount of water, most of water flows out along with the filtering piece 7, the fertilized eggs are collected in the counting cylinder along with gravity, and the total number is calculated according to the number of unit scales; the method for counting the larvae is the same as that

2) The culture device comprises: comprises a culture box 12, a water inlet and drainage system (i.e. a water inlet pipe 10 and a discharge assembly) and a water source pool. The water source pool of the aquatic product selection culture system is a water culture pool and a grass-type pool which are arranged outside, the water culture pool is specially used for culturing water, and the water culture method is the same as that of a shrimp seedling fattening water pond and is used for providing part of bait for the freshwater shrimp larvae; the grass type pond is the pond of growing grass, for the freshwater shrimp becomes shrimp and breeds and provide the water source, and water inlet pipe 10 and row material subassembly all connect the water source pond respectively through the pipeline. The culture box 12 comprises a box body 18, a water injection pipe 16, a shrimp nest 19, an isolator, a decontamination device 20, a discharge assembly and the like.

In this embodiment, the box 18 has a square upper portion, an inverted square frustum middle portion, and a rectangular bottom portion, and the bottom portion of the rectangular bottom portion has a drain pipe connector. The water injection pipe 16 is connected with the water inlet pipe 10 through the communicating pipe 15, the water injection pipe 16 is a single-row porous pipe, the water injection pipe is arranged on the upper edges of two opposite sides of the cultivation box 12 in a row, downward impulsive force along the wall is formed during water inflow, a running water environment and deposited impurities are caused, and the water injection pipe 16 is parallel to a rectangular groove at the bottom of the cultivation box 12.

The shrimp nest 19 is arranged on the isolator, the shrimp nest 19 comprises a mounting seat 25, the mounting seat 25 is a plurality of square table tops with small top and large bottom, each table top forms a single nest structure 26, the fixing parts 27 (namely fixing columns) for fixing the square table tops are four corners, the whole body is in a quadrangular table shape, except for the table top, each table top is provided with a vertical separation structure, the separation structure comprises a dense separation part and a sparse separation part, namely, the dense separation parts are formed by the dense separation parts 28, the sparse separation parts are formed by the sparse separation parts 29, the sparse separation parts and the dense separation parts are arranged vertically, the freshwater shrimps can inhabit, ingest and exuviate in different separation spaces and surfaces, when the freshwater shrimps are fed, feed can fall to the periphery of each table top, the feeding of the freshwater shrimps on the same layer is facilitated, the breeding density of the freshwater shrimps can be increased, and fighting damage can be reduced.

The isolator comprises a net box body 30 used for being connected with the shrimp nest 19, the other end of the net box body 30 is connected with a solid surface body 31, specifically, the net box body 30 is square in upper opening, can be attached to the joint of the upper middle part of the box body 18, is square in contraction in the lower bottom, and forms a structure that the upper part is the net box body 30 of the isolator and the lower part is the solid surface body 31 of the isolator. When the water level of the cultivating box 12 falls, the freshwater shrimps can be automatically gathered in the water in the solid body 31. The freshwater shrimps in the solid bodies 31 can be counted and metered by removing the shrimp nests 19.

Wherein, the dirt separator 20 is arranged in a rectangular groove at the bottom of the box body 18 and plays a role in collecting and removing dirt. The soil removal device 20 is divided into a strip-shaped hole cover plate and a water column. The strip hole cover plate covers the upper opening of the rectangular groove, the waterwheel column is suspended under the cover plate, the two ends of the waterwheel column are circularly closed, the surface of the waterwheel column is provided with a plurality of inclined planes tangent to the column surface to form a chute, the edge of the chute is provided with a brush, water flowing down from the strip hole cover plate drives the waterwheel column to rotate in a single direction, and the brush washes the strip hole to prevent blockage.

3) Controlling water injection and drainage: the water injection and drainage control of the aquatic product selective culture system is realized by combining a plurality of culture boxes 12 together and adding other facilities to form the culture system, and water can be supplied to the culture boxes 12 by opening a valve of a water inlet pipe 10 (a main water inlet pipe); and the second flow regulating assembly 11 (water drainage master control) is opened, and the water can be uniformly drained from the plurality of cultivation boxes 12. Preferably, the water drainage master control can also be composed of a control handle, a connecting chain and a water drainage valve handle. The connecting chain is connected with a plurality of drainage valves at the same position and then connected with the control handle, and the drainage valves are opened and closed by moving the control handle. During the cultivation, water and impurities are deposited on the bottom of the cultivation tank 12 through the mesh body of the separator, and are discharged out of the tank through the soil remover 20 when being drained.

Second, family group composite selection

1) Selection and mating of parent shrimps: in the breeding season of the freshwater shrimps, the freshwater shrimps are intensively cultivated according to a conventional method, so that the gonad development period is synchronized. In 100 family groups, each family selects 6 male shrimps and 18 female shrimps, each family is repeated for 3 times, 2 male shrimps and 6 female shrimps are respectively placed into each propagation vessel for cultivation and management, and the propagation vessels are placed into the tops of the shrimp nests 19 in the cultivation box 12. 300 each of the culture box 12 and the propagation vessel. When the female freshwater shrimps in the propagation dish are laid with eggs, the propagation dish is lifted slightly until the water just submerges the shrimp bodies, the male shrimps are removed, and the egg-laid shrimps are continuously cultured in the propagation dish. In this stage, the male, female and egg-carrying shrimps before egg-carrying can be weighed.

2) Naturally hatching: the egg-carrying shrimps are cultured in a propagation dish until hatching and emergence, and then the female shrimps are removed, so that the freshwater shrimp larvae are continuously cultured in the egg-carrying shrimps. In this stage, the female shrimps after egg-shedding can be weighed, and the hatched shrimp larvae can be counted in an egg counter.

3) Selecting the shrimp larvae: and taking 3000 young shrimps which are just hatched out, continuously culturing in respective propagation vessels until metamorphosis is completed to young shrimps, lifting the propagation vessels, and directly placing 1000 young shrimps into the culture box 12 for culturing and managing. During this phase, the young shrimp can be counted.

4) Selecting the stage of cultivating adult shrimps: from the stage of young shrimp to the stage of adult shrimp in the cultivation tank 12. When the young shrimps grow to about 2 cm, 300 shrimps are kept in each cultivation box 12. In the middle and final stages of the culture process, the water level is reduced, the isolators are lifted, the shrimps in the isolators are counted and weighed, and 50 shrimps are randomly selected from each culture box 12 for individual weighing. Then, the seeds are kept and cultured in the culture box 12 until the breeding season of 5 months in the next year.

5) Data sorting: the total number of families established at this time is 293, and the sequences are as follows: family group number, individual weight (female and male parent shrimps, oozed shrimps and post-oozed female shrimps), hatched larvae, survival rate (two stages) and terminal individual weight, 150 growth weight of each group is measured, electronic forms are input item by item, more than 2 million original data are subjected to data dimensionless substitution, then big data are processed according to breeding software, genetic parameters are calculated, the first 3 groups with higher genetic breeding values are subjected to group expansion, and pond culture performance test is performed.

The above embodiment of the utility model provides an aquatic products select farming systems, including breed case 12, inlet tube 10, take off ovum soak device, shrimp nest 19, row's material subassembly and isolator, take off the ovum soak device and be used for the aquatic products parent mating to lay eggs in order to produce the embryonated egg, and separate the collection the embryonated egg count and weigh; the shrimp nest 19 is arranged in the culture box 12, is communicated with the output end of the egg-removing soaking device, and is used for conveying the larvae onto the fertilized eggs for culture and management after the fertilized eggs are incubated to the larvae; the isolator is arranged in the breeding box 12 and used for screening and gathering part of water products in the breeding box 12 when the water level in the breeding box 12 drops, the water level in the breeding box 12 can be lifted in the breeding process to lift the isolator and count and weigh aquatic products in the isolator, and the breeding system is selected based on the aquatic products to provide a freshwater shrimp selection breeding method, female parents and male parents are selected from an aquatic product breeding family group and placed in an egg removing and soaking device for breeding and management, and fertilized eggs are separated and collected through the egg removing and soaking device for counting and weighing after mating and spawning and generating the fertilized eggs; then, after the fertilized eggs are hatched to the larvae through the shrimp nests 19, the larvae are conveyed to the fertilized eggs for cultivation and management, and the separated fertilized eggs and the hatched larvae can be counted; then, in the culture process, the water level in the culture box 12 is lifted to lift the isolator, and part of water products in the isolator, which are screened and collected in the culture box 12, are counted and weighed; therefore, the method of adopting a plurality of breeding boxes 12 can record, count and collect the weight, the number, the survival rate and the like of the cultured aquatic products in different stages, carry out classification record according to the family or the serial number of the group, carry out big data processing according to breeding software, calculate genetic parameters and provide basis for next genetic selection, thereby being suitable for the accurate breeding of the large sample group and solving the problem that the existing freshwater shrimp breeding and breeding equipment can not carry out accurate breeding on the large sample group.

It needs to be further explained that the aquatic product selective culture system provided by the utility model has small floor area, easy operation and small damage to living bodies of freshwater shrimps in each stage; the method is simple and practical, and data acquisition is easy; a large number of families or groups are easily managed, and the system conditions are consistent; small system error and the like. The electric appliances presented in the article can be connected with an external main controller and 220V mains supply, and the main controller can be a conventional known device controlled by a computer and the like.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims (8)

1. An aquatic product selective culture system comprising a plurality of culture tanks for aquatic product culture, and a water inlet pipe for delivering water to the culture tanks, characterized in that the aquatic product selective culture system further comprises:

the egg-removing soaking device is arranged in the culture box and is used for mating and laying eggs of aquatic product parents to generate fertilized eggs, and the fertilized eggs are separated and collected for counting and weighing;

the shrimp nest is arranged in the culture box, is communicated with the output end of the egg-removing soaking device and is used for conveying the larvae onto the fertilized eggs for culture and management after the fertilized eggs are incubated to the larvae;

a material discharge component arranged on one side of the breeding box far away from the water inlet pipe and used for discharging the materials in the breeding box, and

the separator is arranged on one side, facing the discharge assembly, of the shrimp nests in the breeding box and used for screening and gathering part of water products in the breeding box when the water level in the breeding box drops, and the water level in the breeding box can be lifted in the breeding process so as to lift the separator and count and weigh aquatic products in the separator.

2. An aquatic product selective culture system according to claim 1, wherein the egg removing and soaking device comprises a liquid container and a plurality of propagation containers arranged in the liquid container, and a first drain pipe is arranged on one side of the liquid container facing the shrimp nests.

3. An aquatic product selective culture system according to claim 2, wherein the egg removing and soaking device further comprises an egg counting device for separating and collecting the fertilized eggs for counting, the egg counting device comprises a funnel and a counting cylinder, an opening of the funnel is used for inputting the fertilized eggs, a filtering piece for separating the fertilized eggs is arranged in the funnel, one end of the funnel, far away from the opening, is detachably connected with the counting cylinder, and a through hole is formed in the end part of the counting cylinder.

4. The aquatic product selective culture system according to claim 1, wherein the discharge assembly comprises second water discharge pipes arranged on one side of the culture box, which is far away from the water inlet pipe, two adjacent second water discharge pipes are communicated through a connecting pipe, and a plurality of second flow regulating assemblies are arranged on the connecting pipe.

5. An aquatic product selection cultivation system according to claim 1, wherein the cultivation box comprises a box body and a decontamination device, the box body comprises a housing and an installation space opened in the housing, and the installation space is used for installing the shrimp nests.

6. The system for selectively culturing aquatic products according to claim 5, wherein the water inlet pipe is communicated with a water injection pipe arranged in the box body through a communication pipeline, and the water injection pipe is provided with a plurality of openings for injecting materials into the box body.

7. An aquatic product selective culture system according to claim 5, wherein one end of the installation space, which is far away from the water inlet pipe, is communicated with a groove body for installing the decontamination device, and a drainage port is arranged at one end of the groove body, which is far away from the water inlet pipe.

8. The system for selectively culturing aquatic products according to claim 1, wherein the shrimp nest comprises a mounting seat, a plurality of single nest structures are arranged on the mounting seat in parallel, the single nest structures are connected with the mounting seat through fixing parts, each single nest structure comprises a single nest main body arranged on the mounting seat, and a plurality of dense separators and a plurality of sparse separators are respectively arranged on the single nest main body in an array.

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