CN215454824U - Curtain type juvenile stichopus japonicus outdoor large-scale seedling picking facility - Google Patents
Curtain type juvenile stichopus japonicus outdoor large-scale seedling picking facility Download PDFInfo
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- CN215454824U CN215454824U CN202121813170.3U CN202121813170U CN215454824U CN 215454824 U CN215454824 U CN 215454824U CN 202121813170 U CN202121813170 U CN 202121813170U CN 215454824 U CN215454824 U CN 215454824U
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Abstract
The utility model relates to the technical field of stichopus japonicus offspring seed production, in particular to a curtain type stichopus japonicus offspring seed outdoor large-scale seedling collection facility. The shell seedling picking device comprises anti-corrosion fixing piles, fixing stem ropes, string type shell seedling picking devices and a traction rope, wherein two ends of each fixing stem rope are fixed through the two anti-corrosion fixing piles; a plurality of string type shell seedling picking devices are hung on the fixing stem ropes at intervals and are sequentially connected through at least one traction rope, and two ends of each traction rope are respectively connected with the two anti-corrosion fixing piles. The implementation environment of the utility model is an outdoor pond, the ear-shaped larvae and the juveniles of the stichopus japonicus are cultivated by utilizing natural seawater, the seawater does not need to be heated in the whole process, the problems of greenhouse gas emission and the like caused by fuel use are effectively reduced on the basis of reducing the cost, and the ecological cultivation and harvesting of the stichopus japonicus offspring seeds are realized.
Description
Technical Field
The utility model relates to the technical field of stichopus japonicus offspring seed production, in particular to a curtain type stichopus japonicus offspring seed outdoor large-scale seedling collection facility.
Background
Stichopus japonicus is a traditional seafood in China, and with the increasing demand of the market on stichopus japonicus, main stichopus japonicus increase and culture areas with the core of Liaoning province, Shandong province, Hebei province, Jiangsu province, Fujian province and the like are formed in China at present, and the culture mode mainly comprises shallow sea bottom sowing, pond culture and raft culture. The stable seed supply is a key factor for supporting the stichopus japonicus breeding industry, and the annual demand of stichopus japonicus seeds in China currently reaches more than 500 hundred million.
At present, the production mode of stichopus japonicus fries is mainly an indoor factory cultivation mode, and the mode is characterized in that ear-shaped larvae of stichopus japonicus are cultivated under high cultivation density, and young stichopus japonicus is collected intensively by adopting a plastic corrugated adhesion base made of polyvinyl chloride. However, the industrial production of the apostichopus japonicus offspring seeds also has certain disadvantages, because parent apostichopus japonicus and auricularia juveniles of the apostichopus japonicus are generally cultivated in an out-of-season way, the water temperature of natural seawater is generally 5-8 ℃, in order to reach the optimal water temperature for the gonad development (14-15 ℃) and the growth development (20-21 ℃) of the parent apostichopus japonicus, a large amount of energy is consumed to heat the seawater and maintain the room temperature of an offspring seed production workshop, and simultaneously, in order to reduce the disease influence under high-density cultivation, a large amount of antibiotics is needed to be used, so that the problems of high production cost, high energy consumption, residual antibiotics and even abuse of the antibiotics are caused. After the young stichopus japonicus is attached and cultivated to a certain specification, the young stichopus japonicus is transferred to a cofferdam pond, an earthen pond or shallow sea to be continuously cultivated to a commodity specification. Since the stichopus japonicus lives on the camp and the benthic place, only the underwater space is utilized in the breeding process, and the wider water space is not effectively developed and used, thereby causing the waste of the breeding space.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model aims to provide a curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility to solve the problems of environmental pollution, high cost, low sea area space utilization rate and the like in the conventional stichopus japonicus seedling and propagation production process.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a curtain type outdoor large-scale seedling picking facility for young stichopus japonicus comprises anti-corrosion fixing piles, fixing stalk ropes, string type shell seedling picking devices and traction ropes, wherein two ends of the fixing stalk ropes are fixed through the two anti-corrosion fixing piles; a plurality of string type shell seedling picking devices are hung on the fixing stem ropes at intervals and are sequentially connected through at least one traction rope, and two ends of each traction rope are respectively connected with the two anti-corrosion fixing piles.
The lower end of the string type shell seedling picking device is provided with a steel peg which is used for being fixed with the bottom of the pool.
The string type shell seedling picking device comprises a suspension rope and a plurality of shells, wherein the shells are threaded into a string through the suspension rope, each shell is limited through an anti-slip knot arranged on the suspension rope, the upper end of the suspension rope is connected with the fixing stem rope, and the lower end of the suspension rope is provided with the steel peg.
An aeration device hung on the fixed stem rope is arranged between every two adjacent string-type shell seedling collecting devices.
The aeration device comprises an aeration pipeline and a ceramic microporous air stone, wherein the aeration pipeline is connected with the fixed stem rope, the upper end of the aeration pipeline is connected with an external air source, and the lower end of the aeration pipeline extends to the bottom of the tank and is connected with the ceramic microporous air stone.
The fixed stalk rope and the traction rope are both polyethylene ropes; the anti-corrosion fixing pile is a stainless steel pipe
And a plurality of floating balls are arranged on the fixed stem ropes.
The curtain type juvenile stichopus japonicus outdoor large-scale seedling picking facilities are arranged in the aquaculture pond in parallel, and a pond water inlet and a pond water outlet are respectively arranged on two opposite sides of the aquaculture pond.
A seawater filtering device is arranged at the water inlet of the pond; and a larva anti-escape device is arranged at the position of the water outlet of the pond.
The seawater filtering device is of a bag-shaped structure made of a bolting silk net; the larva escape-preventing device is made of two layers of bolting silk nets.
The utility model has the advantages and beneficial effects that:
1. the implementation environment of the utility model is an outdoor pond, the ear-shaped larvae and the juveniles of the stichopus japonicus are cultivated by utilizing natural seawater, the seawater does not need to be heated in the whole process, the problems of greenhouse gas emission and the like caused by fuel use are effectively reduced on the basis of reducing the cost, and the ecological cultivation and harvesting of the stichopus japonicus offspring seeds are realized.
2. The utility model has the advantages of fewer used accessories, simple facility assembly and layout, simple process of larva cultivation and seedling collection, and strong practicability and popularization.
3. The attachment base used by the utility model is natural shells such as oyster shells, scallop shells, arca inflata reeve and the like, the gaps and rough surfaces of the shells are ingeniously utilized to provide natural excellent habitat for the young stichopus japonicus, and the young stichopus japonicus has high attachment efficiency and survival rate; after young sea cucumbers are collected, only 5 days of bait needs to be fed, and the young sea cucumbers can grow and develop by utilizing natural organic matters attached to the surfaces of the shells, so that the bait investment is greatly saved.
4. The method collects the young stichopus japonicus, develops the young stichopus japonicus in the natural environment in the whole process, feeds fed during the period of cultivating the larvae are rhodotorula benthica, can be used as the feeds to meet the development of the larvae, can also effectively improve the water quality, realizes the antibiotic-free use in the whole process, and effectively improves the quality of the larvae.
5. The utility model collects the young stichopus japonicus, utilizes the upper space of the stichopus japonicus culture pond, has no conflict with commercial stichopus japonicus culture, and effectively improves the utilization efficiency of the culture space.
6. The string type shell seedling collecting device can be taken down and distributed at the bottom of the culture pond after the young stichopus japonicus is stably attached for 20-25 days, the culture survival rate is up to more than 85%, and the culture benefit is effectively increased.
Drawings
FIG. 1 is a schematic structural diagram of an outdoor large-scale seedling collection facility for young Stichopus japonicus according to an embodiment of the present invention;
FIG. 2 is a top view of the present invention in a situation of use in a stichopus japonicus aquaculture pond;
in the figure, 1, fixing a stem rope; 2. a string type shell seedling picking device; 3. fixing the pile in an anticorrosive way; 4. a hauling rope; 5. the bottom of the pool; 6. peg planting; 7. attaching young sea cucumbers; 8. an aeration device; 9. a culture pond; 10. a pond water inlet; 11. a larva escape prevention device; 12. a seawater filtration device; 13. curtain type outdoor large-scale seedling collecting facilities for young stichopus japonicus; 14. water flow, 21, a suspension rope, 22, an anti-slip knot, 23 and a shell.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility provided by the utility model comprises an anticorrosive fixed pile 3, a fixed stalk rope 1, a string type shell seedling collection device 2 and a traction rope 4, wherein two ends of the fixed stalk rope 1 are fixed through two anticorrosive fixed piles 3; a plurality of string type shell seedling picking devices 2 are hung on the fixing stem ropes 1 at intervals, the string type shell seedling picking devices 2 are sequentially connected through at least one traction rope 4 to form a curtain shape, and two ends of the traction rope 4 are respectively connected with the two anti-corrosion fixing piles 3.
In the embodiment of the utility model, a plurality of floating balls are arranged on the fixed stem rope 1. A steel peg 6 is arranged at the lower end of the string-type shell seedling picking device 2, and the steel peg 6 is used for being fixed with the bottom 5 of the pool. In particular, the peg 6 has a diameter of 5cm and a length of 25cm-40 cm.
In the embodiment of the utility model, the string-type shell seedling picking device 2 comprises a suspension rope 21 and a plurality of shells 23, wherein the shells 23 are threaded into a string through the suspension rope 21, each shell 23 is limited through an anti-slip knot 22 arranged on the suspension rope 21, and the anti-slip knots 22 are used for preventing the shells 23 from slipping and stacking. The upper end of the suspension rope 21 is connected with the fixed stalk rope 1, and the lower end of the suspension rope 21 is connected with the steel peg 6. The number of shells of each string of seedling collecting devices is selected according to the depth of the pool water.
On the basis of the above embodiment, an aeration device 8 suspended on the fixed stem rope 1 is arranged between two adjacent string-type shell seedling collecting devices 2. Specifically, aeration equipment includes aeration pipe and ceramic micropore air stone, and wherein aeration pipe is connected with fixed stalk rope 1 to the upper end is connected with outside air supply, and the lower extreme extends to bottom of the pool 5 and is connected with ceramic micropore air stone.
In the embodiment of the utility model, the fixed stem rope 1 and the traction rope 4 both adopt polyethylene ropes; the anti-corrosion fixing pile 3 is a stainless steel pipe. The shell manufacturing material in the string-type shell seedling collecting device 2 can comprise double-shell shellfish with rough surfaces, such as oyster shells, scallop shells, arca inflata reeve shells and the like.
As shown in fig. 2, in the embodiment of the utility model, a plurality of curtain type stichopus japonicus juveniles outdoor large-scale seedling collection facilities 13 are arranged in parallel in a culture pond 9, and a pond water inlet 10 and a pond water outlet are respectively arranged on two opposite sides of the culture pond 9. Further, a seawater filtering device 12 is arranged at the water inlet 10 of the pond; a larva anti-escape device 11 is arranged at the water outlet of the pond.
A seawater filtering device 12 is arranged at the water inlet 10 of the pond; a larva anti-escape device 11 is arranged at the water outlet of the pond. Specifically, the seawater filtering device 12 is a bag-shaped structure made of a bolting silk net; the larva escape preventing device 11 is made of two layers of bolting silk nets.
In the embodiment of the utility model, the used fittings such as the stainless steel pipe, the steel peg, the fixing stalk rope, the traction rope, the ceramic microporous air stone and the like are common materials, so that the cost is low, the reuse is realized, the pollution to the culture environment is avoided, and the production cost of the stichopus japonicus seedlings is effectively reduced.
In the embodiment of the utility model, the steel peg is arranged at the lower end of the string type shell seedling picking device, the traction rope is arranged to connect all the attaching bases into a curtain shape, the stability of the seedling picking device is greatly improved through the combined action of the steel peg and the traction rope, the phenomenon that young stichopus japonicus falls off due to shaking can be effectively reduced under the condition of stormy waves, and the seedling picking amount of a single facility can reach more than 30000.
Example one
The utility model is applied to a sea cucumber larval seedling collection experiment in a sea cucumber culture cofferdam pond of Shandong province.
As shown in fig. 1, after soaking oyster shells, scallop shells and arca inflata reeve shells in clean seawater, the shells are washed clean by a high-pressure water gun, holes with the diameter of 0.1cm are punched on the shells, polyethylene ropes with the diameter of 0.1cm are used for stringing the shells, in order to prevent the shells from slipping and piling, spherical anti-slip knots 22 with the diameter of 0.2cm are arranged among every two shells, 350 shells 23 are arranged in each string type shell seedling picking device 2, and a steel peg 6 with the diameter of 5cm and the length of 25cm is arranged below each string type shell seedling picking device 2.
As shown in figure 2, in an aquaculture pond 9 with the highest water level of 2m, sediment and gravel mixture and the area of 40 mu after water inflow, two stainless steel pipes with the diameter of 6cm and the height of 3m are inserted into the bottom 5 of the pond according to the water flow direction, the two stainless steel pipes are distributed in the pond in parallel at the interval of 9m, the embedding depth of the lower ends of the stainless steel pipes is at least 50cm, and the upper ends of the stainless steel pipes are 30-50cm higher than the water surface. The fixed stem ropes 1 with the diameter of 1cm and the length of 10m are fastened at two ends of the stainless steel pipe, and the upper ends of the fixed stem ropes 1 are kept 50cm higher than the water surface. Uniformly fastening 30 strings of string type shell seedling collecting devices 2 on each fixed stem rope 1 at a string spacing of 25cm, inserting a steel peg 6 at the lower end into the bottom 5 of the pool, arranging a floating foam ball with the diameter of 10cm at the water surface junction of the string type shell seedling collecting devices 2, and sequentially hanging air charging devices 8 on the fixed stem ropes 1 at a spacing of 1m of each air charging device 8. And finally, horizontally arranging each string-type shell seedling picking device 2 into a curtain shape by using four hauling ropes 4, fixing two ends of each hauling rope 4 at two ends of a stainless steel pipe, and vertically arranging the hauling ropes 4 at a distance of 50 cm.
In late April, after the natural water temperature of the aquaculture pond 9 reaches 15-16 ℃, 100kg of tea seed cakes are uniformly put into the aquaculture pond 9 to kill enemy organisms of stichopus japonicus larvae such as copepods and the like, after 15-20 days, when the natural water temperature of seawater reaches 18 ℃, the pond is drained to the lowest water level, then a bag-shaped seawater filtering device 12 made of two layers of bolting silk nets with the pore diameter of 150 mu m is arranged at a water inlet 10 of the pond to filter the seawater, a larva anti-escape device 11 made of two layers of bolting silk nets with the pore diameter of 74 mu m is arranged at a water outlet of the pond, and finally water is fed to the highest water level of 2 m; collecting 2000 healthy stichopus japonicus with the weight of more than 300g as parent stichopus japonicus in the pond, naturally releasing sperm and eggs from the parent stichopus japonicus in the evening, hatching the fertilized eggs into ear-shaped larvae after 48h, continuously aerating the pond without changing water in the whole course of the cultivation period of the ear-shaped larvae, uniformly sprinkling rhodotorula benthamii in the whole pond at the morning seven points and the evening seven points every day as larva baits, and cultivating the ear-shaped larvae for 9-12 days to complete metamorphosis and attaching the larva to the string-type shell seedling collecting device 2; after the larva is metamorphosed, stopping aeration, continuously spraying a mixture (6:4) of sea mud and spirulina in the whole pool for five days to provide sufficient bait for the young stichopus japonicus, carrying out water inlet and drainage on the pool water according to natural tides, and after 20-25 days, the young stichopus japonicus pipe is fully developed and can be stably attached.
The test results in the cofferdam pond are as follows:
in a cofferdam pond of Shandong province, 10 sets of curtain type juvenile sea cucumber outdoor large-scale seedling collecting facilities are arranged, and under the condition that rhodotorula benthami is used as bait, the ear-shaped larva of the sea cucumber is cultivated for 11-13 days to complete adhesion metamorphosis; after 5 days after metamorphosis and attachment of the larva, counting the number of the five tentacles larva of each shell attachment base to 6-9, continuously culturing for 20 days, wherein the average number of the juvenile parameters of each shell attachment base stably attached to 4-7, and the seedling collection number of the juvenile sea cucumber in a single facility reaches more than 42000.
The test result of the embodiment shows that the utility model solves the technical problem of large-scale collection of the young stichopus japonicus fry in the outdoor cofferdam pond habitat, does not use antibiotics and heat treatment on seawater in the whole process of fry collection, and has the technical advantages of high fry collection efficiency, environmental friendliness and full utilization of the pond water area space.
Example two
The utility model is applied to a certain stichopus japonicus cultivating soil pond in Shandong province to carry out a large-scale seedling collection experiment of young stichopus japonicus.
In this embodiment, the same parts as those in the first embodiment are not described again, except that the habitat selected in this embodiment is a soil pond, the highest water level is 1.7m, the pond area is 30 mu, the pond bottom is a mixture of silt, in order to maintain the stability of a seedling-picking facility, the embedding depth of the lower end of the stainless steel pipe is increased to 80cm, and the length of the steel peg 6 is increased to 40 cm; because the environment in the soil pond is stable, the water level is shallow and the wind wave is small, two hauling ropes 4 are used for connecting the string type shell seedling picking devices 2 into a curtain shape, the vertical distance between the hauling ropes 4 is 80cm, and 250 shells are arranged in each string type shell seedling picking device 2; because the soil pond has rich sediment and naturally propagated unicellular algae in pond water has rich content and can be used as natural bait for the ear-shaped larva of the stichopus japonicus, the ocean rhodotorula rubra is splashed into the whole pond only at the seventh early stage to be used as supplementary bait.
The test results in the soil pond are as follows:
10 sets of curtain type juvenile stichopus japonicus outdoor large-scale seedling collecting facilities are arranged in a certain stichopus japonicus culture soil pond in Shandong province, and under the condition that rhodotorula benthami is used as bait, the ear-shaped juvenile stichopus japonicus is cultured for 11-12 days to complete adhesion metamorphosis; after 5 days after metamorphosis and attachment of the larva, counting the number of the five tentacles larva of each shell attachment base to 6-11, continuously culturing for 20 days, wherein the average number of the juvenile parameters of each shell attachment base stably attached to 4-9, and the seedling collection amount in the juvenile sea cucumber of a single-curtain facility reaches more than 30000.
The test result of the embodiment shows that the utility model solves the technical problem of large-scale collection of the young stichopus japonicus in the outdoor soil pond habitat, does not use antibiotics and does not carry out temperature rise treatment on seawater in the whole seedling collection process, and has the technical advantages of high seedling collection efficiency, environmental friendliness and full utilization of the pond water area space.
According to the curtain type juvenile stichopus japonicus outdoor large-scale seedling collecting facility provided by the utility model, the cultivation and large-scale seedling collection of juvenile stichopus japonicus are carried out by utilizing natural seawater in an outdoor environment, the quality of the juvenile stichopus japonicus is ensured on the basis of effectively reducing the production cost of the juvenile stichopus japonicus, and the utilization efficiency of a culture space is improved.
The curtain type stichopus japonicus larvae outdoor large-scale seedling collecting facility provided by the utility model is low in cost, high in efficiency, high in stability, capable of being used in a large scale and easy to operate, is used for collecting the stichopus japonicus larvae in a large scale in the outdoor stichopus japonicus breeding environment such as cofferdam pond and the like, solves the problems of environmental pollution, high energy consumption, high cost and the like in the existing stichopus japonicus offspring production, and realizes the ecological cultivation of the stichopus japonicus offspring.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A curtain type juvenile stichopus japonicus outdoor large-scale seedling picking facility is characterized by comprising anti-corrosion fixing piles (3), fixing stalk ropes (1), string type shell seedling picking devices (2) and traction ropes (4), wherein two ends of each fixing stalk rope (1) are fixed through the two anti-corrosion fixing piles (3); a plurality of string type shell seedling picking devices (2) are hung on the fixing stem ropes (1) at intervals, the string type shell seedling picking devices (2) are sequentially connected through at least one traction rope (4), and two ends of the traction rope (4) are respectively connected with the two anti-corrosion fixing piles (3).
2. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility according to claim 1, wherein a steel peg (6) is arranged at the lower end of the string type shell seedling collection device (2), and the steel peg (6) is used for being fixed with a pool bottom (5).
3. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility according to claim 2, wherein the string type shell seedling collection device (2) comprises a suspension rope (21) and a plurality of shells (23), wherein the plurality of shells (23) are strung through the suspension rope (21), each shell (23) is limited through an anti-slip knot (22) arranged on the suspension rope (21), the upper end of the suspension rope (21) is connected with the fixing stalk rope (1), and the lower end of the suspension rope is provided with the steel stalk (6).
4. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility according to claim 1, wherein an aeration device (8) hung on the fixed stalk rope (1) is arranged between two adjacent string type shell seedling collection devices (2).
5. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility according to claim 4, wherein the aeration device comprises an aeration pipeline and a ceramic microporous air stone, wherein the aeration pipeline is connected with the fixed stalk rope (1), the upper end of the aeration pipeline is connected with an external air source, and the lower end of the aeration pipeline extends to the bottom of the pool (5) and is connected with the ceramic microporous air stone.
6. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility as claimed in claim 1, wherein the fixing stem rope (1) and the traction rope (4) are both polyethylene ropes; the anti-corrosion fixing pile (3) is a stainless steel pipe.
7. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility as claimed in claim 1, wherein a plurality of floating balls are arranged on the fixed stem rope (1).
8. The curtain type stichopus japonicus and young sea cucumber outdoor large-scale seedling collection facility as claimed in any one of claims 1 to 7, wherein a plurality of curtain type stichopus japonicus and young sea cucumber outdoor large-scale seedling collection facilities are arranged in a culture pond (9) in parallel, and a pond water inlet (10) and a pond water outlet are respectively arranged at two opposite sides of the culture pond (9).
9. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility as claimed in claim 8, wherein a seawater filtering device (12) is arranged at the water inlet (10) of the pond; a larva anti-escape device (11) is arranged at the position of the water outlet of the pond.
10. The curtain type juvenile stichopus japonicus outdoor large-scale seedling collection facility according to claim 9, wherein the seawater filtering device (12) is a bag-shaped structure made of a bolting silk net; the larva escape prevention device (11) is made of two layers of bolting silk nets.
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| CN115943914A (en) * | 2022-05-13 | 2023-04-11 | 中国海洋大学 | Method for cultivating young crassostrea gigas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115943914A (en) * | 2022-05-13 | 2023-04-11 | 中国海洋大学 | Method for cultivating young crassostrea gigas |
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