CN109042409B - Island reef area intertidal zone ladder type snail breeding device - Google Patents
Island reef area intertidal zone ladder type snail breeding device Download PDFInfo
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- CN109042409B CN109042409B CN201810979941.2A CN201810979941A CN109042409B CN 109042409 B CN109042409 B CN 109042409B CN 201810979941 A CN201810979941 A CN 201810979941A CN 109042409 B CN109042409 B CN 109042409B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/75—Artificial fishing banks or reefs floating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an island reef area intertidal zone ladder type snail breeding device, and belongs to the technical field of snail breeding. The basin make full use of island reef district intertidal zone space that this device terraced field shape set up, little to the environmental impact, and the device coincide with spiral shell class natural growth environment, and the management is convenient, and breed space utilization is high, increases to breed effectually and the unusual shelling rate of process spiral shell class is low, the survival rate is high.
Description
Technical Field
The invention belongs to the technical field of snail breeding, and particularly relates to an intertidal zone ladder type snail breeding device in an island reef area.
Background
The intertidal zone of the southeast edge of China mainly comprises three types of reef, mud and sand substrate. The continental intertidal zone takes mud bottom as main material, and the reef and sand bottom are inferior, especially the reef bottom of the intertidal zone of the island shore, and the mud and sand bottom are inferior, and according to the preliminary statistics, the length of the shore line in the whole intertidal zone is more than 60%, and the area is more than 50%. The coastal island reef chess cloth of Fujian Zhejiang, such as Zhoushan island, has 13395 islands, 3500 island reef longitudinal lines and reef bottom intertidal zones as main bodies.
The snails with intertidal zones in the island reef area on the outer side, such as the snails with lychee and the snails with water chestnut, have delicious taste and rich nutrition, are common aquatic products favored by coastal residents, have the market price of about 50 yuan/kg at present, even exceed half of the price of fish, have high production speed, wide ecological habits and small moving range, are mostly feed made of seaweed, are ideal species for artificial breeding, develop the breeding of the snails with intertidal zones in the island reef area on the outer side, and primarily solve the technology of the facility for breeding the snails.
The invention provides an idea for developing snail artificial breeding industry aiming at the current situation of space resources and snail resources in the intertidal zone of the island reef sea area outside the coastal region of southeast China, aims to solve the technology of facilities for artificial breeding of snails in the intertidal zone of the island reef area, and plays a leading role in forming a new industry for artificial breeding of snails in the island reef area.
Disclosure of Invention
The invention aims to provide a ladder type snail breeding device with steps between islands and reef areas, which is consistent with the natural growth environment of snails, has small influence on the environment, is convenient to manage, has high breeding space utilization rate and good breeding effect, and has low abnormal shelling rate and high survival rate of snails in the breeding process.
The scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an island reef area intertidal zone ladder formula snail increases breeding device, includes terraced field shape basin, and the basin setting is in island reef area intertidal zone, and the basin lateral wall is provided with into the wash port, and the basin upper end is provided with the apron, and apron inner wall surface is connected with the ribbon, and basin internal connection has buoyancy mechanism and interval mechanism. The water tank arranged in the shape of the terrace fully utilizes the intertidal zone space of the island reef zone; the water inlet and outlet holes enable the water tank to rise and fall along with the tide water, so that the water and soil inside and outside the water tank can be thoroughly fused, the water and soil are matched with the natural environment, the influence on the environment is small, and the breeding increasing effect is achieved; the cover plate is convenient for managing the snails in the water tank, and the fiber strips connected with the surface of the inner wall of the cover plate can purify the water body in the culture device, increase the crawling difficulty of the snails on the inner wall of the cover plate, avoid poor light transmission in the culture device due to the fact that the inner wall of the cover plate adsorbs too many snails, effectively prevent the snails from escaping from the cover plate, and enhance the reliability of the culture device; the buoyancy mechanism and the spacing mechanism effectively increase the culture space and improve the space utilization rate of intertidal zones in the island reef area. According to the technical scheme, the environmental factors of the intertidal zone of the island reef area are ingeniously utilized, the set culture facilities realize natural culture as much as possible, excessive capture of the intertidal zone is avoided, the artificial culture industry can be developed on the basis of strengthening environmental protection, and the common progress of environment and economy is realized.
In order to optimize the above technical solution, the measures further include: the water tank is built by concrete, 3-5 layers of water tank ladder-type building are sequentially built, the length L of the water tank is 2.8-3.1 m, the width W of the water tank is 0.9-1.1 m, and the height H of the water tank is 0.7-0.9 m. The design of basin make full use of the natural environment in island reef area intertidal zone, carries out the breed management of layering to the snail, and the basin is inside to coincide with snail natural growth environment, has artifical cultivation effect that increases. The water tank built by the concrete has high reliability and can resist the impact of tide and water; the ladder-type built multilayer water tank can realize the cultivation of different intertidal zones according to the life habits of different snails so as to achieve the best cultivation effect, and can also enhance the local adaptability and rationality of the water tank; the length, width and height of the water tank have adjustable ranges, so that the water tank is convenient to build, the snails have better growth and propagation space, and the breeding survival rate and the breeding increasing effect of the snails are improved.
Preferably, the inter-tidal zone range of the island reef area arranged on the water tank in the technical scheme is from a high tide and low tide line area to a low tide and high tide line area. The intertidal zone is suitable for culturing the snails, and the fluctuation of tidal water enables the water tank to realize the free exchange of the internal water body and the external water body, thereby achieving the purpose of artificial breeding of the snails. The selected intertidal zone of the island reef zone is a position with relatively uniform gradient of the intertidal zone of the island reef zone at the outer side, so that the arrangement of a water tank and the cultivation management are facilitated.
Preferably, the water inlet and outlet holes are provided at a height 2/3 of the water tank height. The water exchange is always kept inside and outside the water tank through the water inlet and outlet holes, and the arrangement of the height of the water inlet and outlet holes can ensure that a better water quantity is always reserved inside the water tank, so that the snails are prevented from being dehydrated and dead after falling tide.
Preferably, the number of the cover plates arranged at the upper end of the water tank is 5-7, the cover plates are formed by plastic injection molding, meshes are uniformly distributed on the surfaces of the cover plates, and the aperture of each mesh is less than or equal to 0.5 cm. The water tank is provided with a plurality of cover plates for facilitating the management of the snails; the cover plate formed by plastic injection molding has light weight and low cost, and is convenient to open and close; the meshes on the surface of the cover plate can form circulation with the water inlet and outlet holes on the side wall of the water tank, so that the water body exchange effect in the water tank is improved, the air permeability and the light transmittance in the water tank can be increased, and the growth and the propagation of the snails are facilitated; the regulation of the aperture of the mesh can avoid the overflow of the young snails and the capture of the enemy snails, which has the protection effect,
preferably, a filter screen is arranged in the water inlet and outlet holes, the aperture of the meshes of the filter screen is less than or equal to 0.5cm, and the hooks are connected between the meshes. The filter screen can prevent young snails from overflowing from the water inlet and outlet holes, prevent impurities in the tidal water from blocking the water inlet and outlet holes, improve the water inlet and outlet effect and reduce the impact force of the tidal water. The mesh size of the filter screen is set to avoid the overflow of snails and the capture of natural enemies; the hook is fixedly connected to the surface of the filter screen, the lower end of the hook is a cylindrical supporting block, the capacity of the hook for resisting the impact of the tidal water is improved, the upper end of the hook is provided with a plurality of arc-shaped columns, the arc-shaped columns can block impurities in the tidal water, the meshes are prevented from being blocked by the impurities, the impacted water flow can be dispersed and enter the meshes, and the impact force of the tidal water is reduced. Because the meshes are smaller, the impact force is increased due to the reduction of the space when the tidal water flows, the arc-shaped column at the upper end of the hook claw has good diversion and dispersion effects on the tidal water, so that the impact force of the tidal water entering the water tank through the meshes is more consistent with the fluctuation of the tidal water in the natural environment, the influence on the growth of the snails is avoided, the culture increasing effect is improved, part of water entering from the water inlet and outlet hole can rub against the filter screen for many times under the diversion effect of the arc-shaped hook claw and is continuously subjected to the shearing force of the hook claw, so that the bacteria in the water body are subjected to stress adaptation due to the friction and the shearing force, the cell function differentiation, death or dormancy of the bacteria are caused, the bacteria content of the water body entering the culture device is obviously reduced, the shell-meat separation phenomenon of the snails in the culture device is reduced, the abnormal shelling rate of the snails in the, improve the breeding benefit.
Preferably, buoyancy mechanism includes the wide rope, and the wide rope bottom is connected in the basin bottom surface, and the wide rope top is connected with the cystosepiment, and the cystosepiment is inside to be planted there is the marine alga spore, and buoyancy mechanism provides the space of spiral aquatic life, promotes the inside environmental simulation's of basin richness. The wide rope is convenient for the perch and the crawl of snail, and the cystosepiment floats in the surface of water all the time and rocks along with the rivers, not only increases the inside breed space of basin, improves space utilization, still can promote snail habitat richness, and the inside marine alga spore of planting of cystosepiment can regard as snail fodder after growing in the water, not only reduces the breed cost, still can promote environmental simulation degree, improves the benefit of breeding.
Preferably, the spacing mechanism includes the base, and the base is fixed in the basin bottom surface, and the base is detachable to be connected with the baffle, and the inside recess that is equipped with of baffle, spacing mechanism parallel arrangement are inside the basin, and the spacing interval of spacing mechanism is 0.4~0.6 m. The spacing mechanism increases the culture space in the water tank, improves the space utilization rate and is also beneficial to the harvest of snails. The groove arranged in the partition board creates an environment for stable water flow for the snails, is suitable for the inhabitation of young snails, and has unexpected effect on improving the survival rate of the young snails; the baffle can be dismantled, the spiral shell class on the results baffle of being convenient for, the distance of baffle bottom and basin bottom surface is greater than into the spiral shell height for the spiral shell class can creep in a flexible way between the interval mechanism.
Compared with the prior art, the invention has the advantages that 1) the culture device realizes natural culture as much as possible, thereby not only avoiding excessive capture of intertidal zones, but also developing artificial culture industry on the basis of strengthening environmental protection; 2) the design of the water tank fully utilizes the natural environment of the intertidal zone of the island reef area to carry out layered breeding management on the snails, the interior of the water tank is matched with the natural growth environment of the snails, and the artificial breeding effect is achieved; 3) the filter screen can prevent young snails from overflowing from the water inlet and drain holes, can prevent impurities in the tidal water from blocking the water inlet and drain holes, improves the water inlet and drain effects, reduces the impact force of the tidal water, and can ensure that bacteria in the water body are subjected to stress adaptation due to friction and shearing force to cause cell function differentiation, death or dormancy of the bacteria, thereby obviously reducing the bacteria content in the water body entering the culture device, reducing the shell and meat separation phenomenon of the snails in the culture device, and effectively reducing the abnormal shelling rate of the snails in the culture process; 4) buoyancy mechanism and spacer mechanism not only promote breed space utilization, still can increase the abundance of breed environment, promote spiral shell class breed effect, and can cultivate the marine alga as spiral shell class fodder in step, reduce the breed cost.
The invention adopts the technical scheme to provide the intertidal belt ladder type snail breeding device in the island region, overcomes the defects of the prior art, and has reasonable design and convenient operation.
Drawings
FIG. 1 is a schematic side view of an apparatus according to example 1 of the present invention;
FIG. 2 is a top view of the apparatus of the present invention;
FIG. 3 is a side view of the apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a buoyancy mechanism according to the present invention;
FIG. 5 is a schematic view of the spacing mechanism of the present invention;
FIG. 6 is a bottom view of the separator plate of the present invention;
FIG. 7 is an enlarged view of a portion of the screen of the present invention;
fig. 8 is a schematic structural view of the filter screen of the present invention.
Description of reference numerals: 1, small tide and high tide line; 2, small tide low tide line; 3 big tide and low tide lines; 4, a water tank; 5, covering a plate; 6 water inlet and outlet holes; 7, a buoyancy mechanism; 71 a foam sheet; a 72-wide rope; 8, a spacing mechanism; 81 a base; 82 a partition plate; 83 grooves; 9, filtering by using a filter screen; 10, a claw; 11 meshes.
Detailed Description
The following is described in further detail with reference to the accompanying drawings and examples:
example 1:
as shown in figures 1-2, an island reef zone intertidal zone ladder type snail breeding device comprises a ladder-shaped water tank 4, wherein the water tank 4 is arranged in an island reef zone intertidal zone, the island reef zone intertidal zone ranges from a big tide low tide line 3 to a small tide high tide line 1, the gradient of the island reef zone intertidal zone at the outer side is relatively uniform, the water tank 4 is built by concrete, 3 layers of the water tank 4 are built in a ladder type, the water tank 4 at the bottommost layer is arranged between the big tide low tide line 3 and the small tide low tide line 2, the upper two layers are arranged between the small tide low tide line 2 and the small tide high tide line 1, the length L of the water tank 4 is 3m, the width W of the water tank 4 is 1m, the height H of the water tank 4 is 0.8m, a water inlet hole 6 is arranged on the side wall of the water tank 4, the height of the water inlet hole 6 is 2/3 of the water tank 4, a filter screen 9 is arranged in the water inlet hole 6, the aperture 11 of the filter screen 9, the upper end of the water tank 4 is provided with a cover plate 5, the number of the cover plates 5 is 6, the cover plates 5 are formed by plastic injection molding, meshes are evenly distributed on the surfaces of the cover plates 5, and the aperture of each mesh is 0.5cm, so that young snails are prevented from overflowing. The water tank 4 simulates the natural environment and is used for breeding and proliferating the thamnis uniqua, thamnis littoralis and the like, the water and soil inside and outside the water tank 4 are thoroughly fused along with the fluctuation of tidal water and are completely matched with the natural environment, and the breeding and breeding effect is good,
conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
Example 2:
as shown in fig. 2-8, a ladder type snail breeding device in an island reef zone between tide, for the optimization scheme of embodiment 1, the device includes a ladder field-shaped water tank 4, the water tank 4 is arranged in the island reef zone between tide, the side wall of the water tank 4 is provided with a water inlet and outlet hole 6, the upper end of the water tank 4 is provided with a cover plate 5, the surface of the inner wall of the cover plate 5 is connected with a fiber strip, and the water tank 4 is internally connected with a buoyancy mechanism 7 and a spacing mechanism 8. The water tank 4 arranged in the shape of the terrace fully utilizes the intertidal zone space of the island reef zone; the water inlet and outlet holes 6 enable the water tank 4 to rise and fall along with the tide water, so that the water and soil inside and outside the water tank 4 can be thoroughly fused and are matched with the natural environment, and the breeding increasing effect is achieved; the cover plate 5 is convenient for managing the snails in the water tank 4, and the fiber strips connected with the inner wall surface of the cover plate 5 can purify the water body in the culture device, increase the crawling difficulty of the snails on the inner wall of the cover plate 5, avoid poor light transmission in the culture device caused by the fact that the inner wall of the cover plate 5 adsorbs too many snails, effectively prevent the snails from escaping from the cover plate 5 and enhance the reliability of the culture device; the buoyancy mechanism 7 and the spacing mechanism 8 effectively increase the culture space and improve the utilization rate of the intertidal zone space in the island reef area. According to the technical scheme, the environmental factors of the intertidal zone of the island reef area are ingeniously utilized, the set culture facilities realize natural culture as much as possible, excessive capture of the intertidal zone is avoided, the artificial culture industry can be developed on the basis of strengthening environmental protection, and the common progress of environment and economy is realized.
The water tank 4 is built by concrete, 3 layers of the water tank 4 are built in a ladder-type mode in sequence, the length L of the water tank 4 is 2.8m, the width W of the water tank 4 is 0.9m, and the height H of the water tank 4 is 0.8 m. The bottommost layer water tank 4 is arranged between the big tide low tide line 3 and the small tide low tide line 2, the upper two layers are arranged between the small tide low tide line 2 and the small tide high tide line 1, the natural environment of an intertidal zone of an island reef area is fully utilized by the design of the water tank 4, layered breeding management is carried out on snails, the interior of the water tank is matched with the natural growth environment of the snails, and the artificial breeding effect is achieved. The water tank 4 built by concrete has high reliability and can resist the impact of tide and water; the ladder-type built multilayer water tank 4 can realize the cultivation of different intertidal zones according to the life habits of different snails so as to achieve the best cultivation effect, and can also enhance the local adaptability and rationality of the water tank 4; the length, width and height of the water tank 4 have adjustable ranges, so that the water tank 4 is convenient to build, the snails have better growth and propagation space, and the breeding survival rate and the breeding increasing effect of the snails are improved.
The intertidal zone of the island reef area arranged on the water tank 4 in the technical scheme is an area from a big tide low tide line 3 to a small tide high tide line 1. The intertidal zone is not only a habitat of a plurality of large benthic seaweeds, such as oyster vegetables, ulva, sargassum fusiforme, kelp, laver and the like, but also a habitat of a plurality of shellfish, such as mussels, horseshoe snails and lychee snails. The selected intertidal zone of the island reef zone is a position with relatively uniform gradient of the intertidal zone of the island reef zone at the outer side, so that the arrangement and the cultivation management of the water tank 4 are facilitated.
The water inlet and outlet holes 6 are provided at a height 2/3 of the height of the water tank 4. The water inlet and outlet holes 6 enable water exchange to be kept inside and outside the water tank 4 all the time, and the arrangement of the height of the water inlet and outlet holes 6 can ensure that a better water quantity is kept inside the water tank 4 all the time, so that the snail is prevented from losing water and dying after falling damp.
The cover plate 5 that the upper end of basin 4 was equipped with is 7, and cover plate 5 is moulded plastics by plastics and is formed, and the equipartition has the mesh on cover plate 5 surface, and the mesh aperture is 0.4 cm. A plurality of cover plates 5 arranged on the water tank 4 are convenient for management of the snails; the cover plate 5 formed by plastic injection molding has light weight and low cost and is convenient to open and close; the meshes on the surface of the cover plate 5 can form circulation with the water inlet and outlet holes 6 on the side wall of the water tank 4, so that the water exchange effect in the water tank 4 is improved, the air permeability and the light transmittance in the water tank 4 can be increased, and the growth and the propagation of the snails are facilitated; the regulation of the aperture of the mesh can avoid the overflow of the young snails and the capture of the enemy snails, which has the protection effect,
a filter screen 9 is arranged in the water inlet and outlet hole 6, the aperture of the mesh 11 of the filter screen 9 is 0.5cm, and a claw 10 is connected between the meshes 11. The filter screen 9 can prevent young snails from overflowing from the water inlet and outlet hole 6, prevent impurities in the tide water from blocking the water inlet and outlet hole 6, improve the water inlet and outlet effect and reduce the impact force of the tide water. The mesh 11 of the filter screen 9 is set to avoid the overflow of the snails and the capture of natural enemies; the hook 10 rigid coupling is on filter screen 9 surface, and the hook 10 lower extreme is cylindric supporting shoe, has improved the ability that the hook 10 resisted the tidal water and assaults, and the hook 10 upper end is many arc posts, and the arc post can block impurity in the tidal water, avoids impurity to block up mesh 11, still can make the rivers dispersion of impact get into the mesh, reduces the impact force of tidal water. Because the meshes 11 are smaller, the impact force is increased due to the reduction of the space when the tidal water flows, the arc-shaped columns at the upper ends of the hook claws 10 have the function of blocking and dispersing the tidal water, so that the impact force of the tidal water entering the water tank 4 through the meshes 11 is more consistent with the fluctuation of the tidal water in the natural environment, the influence on the growth of the snails is avoided, the culture effect is improved, part of water entering from the water inlet and outlet holes 6 can rub against the filter screen 9 for multiple times under the flow guiding action of the arc-shaped hook claws 10 and is continuously subjected to the shearing force of the hook claws 10, so that the bacteria in the water are subjected to stress adaptation due to the friction and the shearing force, the cell function differentiation, death or dormancy of the bacteria are caused, the bacteria content of the water entering the culture device is obviously reduced, the separation phenomenon of shells and meat of the snails in the culture device is reduced, the abnormal shelling rate of the snails in, improve the breeding benefit.
The filter screen 9 comprises a flexible body, the flexible body is made of filamentous fibers, high-hardness particle materials are filled in the flexible body, the surface of the flexible body is bonded with the high-hardness particle materials through adhesives, and the high-hardness particle materials are mainly Al2O3The adhesive comprises the following components in parts by weight: 27 parts of polypropylene III, 20 parts of heat-resistant polyethylene, 0.04 part of dicumyl peroxide, 37 parts of viscosity regulator, 0.026 part of sodium ascorbate, 10 parts of tackifying resin, 0.88 part of maleic anhydride and viscosityThe regulator is purchased conventionally in the market, the filter screen 9 has excellent wear resistance and can be fixed in water for a long time, the flexible body in the filter screen 9 mainly bears the impact force of water and the pressure of the hook claw 10, the filter screen 9 has higher bearing capacity and elasticity due to the high-hardness granular material filled and bonded by the flexible body, wherein the weight ratio of the D-sodium ascorbate to the L-sodium ascorbate in the sodium ascorbate is 1:0.04, and the sodium ascorbate obtained by mixing the D-sodium ascorbate and the L-sodium ascorbate according to the proportion is DPPH, and super O2-The clearance rate of OH free radicals is far higher than that of other proportions, the antioxidation effect is good, so that the binder can avoid redox reaction in water, the bonding effectiveness of the binder is obviously prolonged, the service life of the filter screen 9 is prolonged, meanwhile, the elasticity and resilience of the filter screen can be increased, the claw 10 has better action effect on water, the capability of the filter screen 9 for integrally inducing bacteria in water to generate stress adaptation is improved, and the device has the unexpected effect of reducing the abnormal shelling rate in the process of snail culture.
The spacing mechanism 8 comprises a base 81, the base 81 is fixed on the bottom surface of the water tank 4, the base 81 is detachably connected with a partition plate 82, a groove 83 is formed in the partition plate 82, the spacing mechanism 8 is arranged in the water tank 4 in parallel, and the distance between the spacing mechanisms 8 is 0.4 m. The spacing mechanism 8 increases the culture space inside the water tank 4, improves the space utilization rate and is also beneficial to the harvest of snails. The groove 83 arranged in the partition plate 82 creates a stable water flow environment for the snails, is suitable for the inhabitation of young snails, and has an unexpected effect on improving the survival rate of the young snails; the partition plate 82 can be detached, so that the snails on the partition plate 82 can be harvested conveniently, and the distance between the bottom of the partition plate 82 and the bottom surface of the water tank 4 is greater than the height of the snails, so that the snails can flexibly crawl between the spacing mechanisms 8.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
Example 3:
and (3) testing: performing breeding test of snails, selecting Oncomelania hupensis Rehd for the tested snails, purchasing the Oncomelania hupensis Rehd in Nanzhen vegetable farm of Dihai district of Zhoushan City, wherein the selected Oncomelania hupensis Rehd has good health condition, complete shell and initial weight of 2.5g +/-0.05 g, and testingThe test is divided into two groups, each group is respectively provided with 3 parallel groups, the test group adopts the culture increasing device shown in the embodiment 2, the contrast group is a certain aquaculture center in Zhejiang, and the throwing density of the hemifusus litchis in each group at the initial stage of the test is 20 granules/m2The test period is 30d, and the control water temperature, the pH value and the relative density of the culture water of the control group are basically the same as those of the test group.
The daily average weight gain and the survival rate of the yellow litchi shells are recorded in the test, the weight of the yellow litchi shells is measured by adopting an electronic balance (HENGPING MP1100 model 1100B, the precision is 0.01g),
test data were recorded and the results of the calculations are reported in the table below.
The table shows that the daily average weight gain of the thamnis luteostoma cultured by the culture device is far higher than that of a control group, and the survival rate of the thamnis luteostoma is also better than that of the control group, so that the culture device has better culture effect and higher economic popularization value.
The length L of the water tank 4 is not limited to 2.8-3.1 m, but also includes 2.8m, 2.81m, 2.82m, 2.83m, 2.84m … …, 3.09m or 3.1 m.
The width W of the water tank 4 is not limited to 0.9-1.1 m, but also includes 0.9m, 0.91m, 0.92m, 0.93m, 0.94m … …, 1.09m, or 1.1 m.
The height H of the water tank 4 is not limited to 0.7-0.9 m, but also includes 0.7m, 0.71m, 0.72m, 0.73m, 0.74m … …, 0.89m, or 0.9 m.
The spacing of the spacing means 8 is not limited to 0.4-0.6 m, but also includes 0.4m, 0.41m, 0.42m, 0.43m, 0.44m … …, 0.59m, or 0.6 m.
Conventional techniques in this embodiment are known to those skilled in the art and will not be described in detail here.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (4)
1. The utility model provides an island reef district intertidal zone ladder formula snail increases breeding device, includes terraced field shape basin (4), its characterized in that: the water tank (4) is arranged in an intertidal zone of an island reef area, a water inlet and outlet hole (6) is formed in the side wall of the water tank (4), a cover plate (5) is arranged at the upper end of the water tank (4), a fiber strip is connected to the surface of the inner wall of the cover plate (5), and a buoyancy mechanism (7) and a spacing mechanism (8) are connected inside the water tank (4); the water tank (4) is built by concrete, 3-5 layers of water tanks (4) are built in a ladder-type mode in sequence, the length L of each water tank (4) is 2.8-3.1 m, the width W of each water tank (4) is 0.9-1.1 m, and the height H of each water tank (4) is 0.7-0.9 m; the intertidal zone of the island reef area ranges from a high tide low tide line (3) to a low tide high tide line (1); the height of the water inlet and outlet holes (6) is 2/3 of the height of the water tank (4); the water tank is characterized in that the number of the cover plates (5) arranged at the upper end of the water tank (4) is 5-7, the cover plates (5) are formed by plastic injection molding, meshes are uniformly distributed on the surfaces of the cover plates (5), and the aperture of each mesh is less than or equal to 0.5 cm.
2. The intertidal zone ladder type snail breeding device for the island reef area according to claim 1, which is characterized in that: the filter screen (9) is installed in the water inlet and outlet hole (6), the aperture of the meshes (11) of the filter screen (9) is less than or equal to 0.5cm, and the hooks (10) are connected between the meshes (11) of the filter screen (9).
3. The intertidal zone ladder type snail breeding device for the island reef area according to claim 1, which is characterized in that: the buoyancy mechanism (7) comprises a wide rope (72), the bottom of the wide rope (72) is connected to the bottom surface of the water tank (4), the top of the wide rope (72) is connected with a foam plate (71), and seaweed spores are planted in the foam plate (71).
4. The intertidal zone ladder type snail breeding device for the island reef area according to claim 1, which is characterized in that: spacing mechanism (8) include base (81), base (81) be fixed in basin (4) bottom surface, base (81) detachable be connected with baffle (82), baffle (82) inside be equipped with recess (83), spacing mechanism (8) parallel arrangement inside basin (4), spacing mechanism (8) interval be 0.4~0.6 m.
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| CN114586714B (en) * | 2022-03-21 | 2022-12-06 | 吴常文 | Micro-ecological breeding device for creeping shellfish planted in island land area on outer side |
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| JPH0438312A (en) * | 1990-06-04 | 1992-02-07 | Mikio Nakanishi | Wave dissipation breakwater having artificial tidal pool construction to promote breeding of useful seaweed |
| CN1504080A (en) * | 2002-12-02 | 2004-06-16 | 袁志本 | Breeding method through building pool in tidal zone |
| JP4060227B2 (en) * | 2003-04-03 | 2008-03-12 | 五洋建設株式会社 | Aquatic habitat structures |
| CN103109660B (en) * | 2013-01-31 | 2015-04-29 | 宁波大学 | Construction method for ecology on embankment of intertidal zone in turbid water area |
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