CN113575476A - Parent ginseng in-situ spawning induction device and in-situ spawning induction method - Google Patents
Parent ginseng in-situ spawning induction device and in-situ spawning induction method Download PDFInfo
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- CN113575476A CN113575476A CN202110958453.5A CN202110958453A CN113575476A CN 113575476 A CN113575476 A CN 113575476A CN 202110958453 A CN202110958453 A CN 202110958453A CN 113575476 A CN113575476 A CN 113575476A
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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
- A01K61/30—Culture of aquatic animals of sponges, sea urchins or sea cucumbers
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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
- A01K61/73—Artificial fishing banks or reefs assembled of components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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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- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
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Abstract
The invention discloses a parent-ginseng in-situ spawning device which comprises a square frame, an attachment plate, a net piece, a steel chain, a floating ball, a plastic rope, a fixed pile and a cross beam, wherein the square frame is provided with a plurality of square holes; the square frame is characterized in that a plurality of beams which are arranged in parallel are arranged on the upper surface and the lower surface of the square frame at intervals, a plurality of attachment plates are fixed between the beams corresponding to the upper surface and the lower surface of the square frame at intervals, fixing piles extending from four vertical edges of the square frame are arranged at four corners of the bottom surface of the square frame, four steel chains are fixed at four corners of the top surface of the square frame and are mutually cross-linked at the tail ends, a net piece is bound on six surfaces of the square frame through a rolling belt, and a floating ball is connected with the cross-linking part of each steel chain through a plastic rope. The invention also provides a method for carrying out the in-situ induced spawning of the parent sea cucumber by using the in-situ induced spawning device for the parent sea cucumber. The parent sea cucumber in-situ spawning induction device and the parent sea cucumber in-situ spawning induction method can solve the problems of complicated artificial breeding process, high labor intensity, long period and high cost of the sea cucumber, and also can solve the problems of low spawning rate, low sperm egg fertility rate and the like when the parent sea cucumber naturally spawns in a natural environment.
Description
Technical Field
The invention relates to the field of marine biology, in particular to a sea cucumber in-situ spawning induction device and a natural sea cucumber in-situ spawning induction method with low cost and high efficiency by using the same.
Background
In more than ten years, with the improvement of the consumption level of residents in China, the consumption of sea cucumbers, which are one of the eight delicacies of marine products, is continuously increased, and the sea area in China originally has abundant sea cucumber resources, but the sea cucumber wild resources are gradually exhausted due to factors such as over-fishing and the like. Sea cucumbers have important ecological functions of cleaning marine substrates, stirring organisms and the like, so that the sea cucumbers play an important role in a marine ecosystem. In the south China sea area, sea cucumbers are important for the material circulation of a coral reef ecosystem, the periodic circulation of calcium carbonate and the abnormal balance of the pH value of seawater, and the ecosystem is damaged by over-fishing. Therefore, artificial measures are urgently needed to repair the sea cucumber resources. At present, the method for recovering sea cucumber resources is mainly carried out by adopting an indoor artificial breeding method for breeding sea cucumber seedlings and then carrying out proliferation and releasing, wherein some problems exist. Firstly, the artificial breeding cost is high, which mainly shows that the breeding period of an indoor cement pond is long, a large amount of water and electricity resources are consumed, and in addition, the artificial breeding process is complicated and more manpower and material resources are needed; secondly, the salinity of seawater used by a culture plant is generally low, and a plurality of narrow-salinity reef-dwelling sea cucumbers cannot survive and breed, so that the culture area is limited; and thirdly, the transportation and releasing cost is high, the long-distance transportation is high in cost, and the death rate of the seedlings is increased due to jolt and midway transfer of land transportation and sea transportation.
In the early stage of China, various artificial breeding technologies of sea cucumbers are established, such as apostichopus japonicus, holothuria robusta, apostichopus japonicus, holothuria leucospilota, apostichopus japonicus and the like, the obvious advantage of artificial breeding is that the fertility rate is extremely high, and the fertility rate of over 95 percent can be basically ensured by artificial induced spawning. However, in a completely natural state, a sea cucumber population cannot stably produce a huge number of offspring, mainly because sea cucumbers move slowly and are distributed in a scattered manner in a natural environment, and under the environment of low distribution density of wild sea cucumbers in the sea area of China at present, mature female sea cucumbers are not stimulated to lay eggs, and the probability that the produced eggs meet sperms in seawater and are fertilized is extremely low.
Disclosure of Invention
In order to solve the problems of high cost of artificial breeding of sea cucumbers, low breeding capacity in natural environment and the like, the invention provides an in-situ spawning induction device for parent sea cucumbers, and simultaneously provides a method for carrying out in-situ spawning induction on the parent sea cucumbers in natural sea areas with low cost and high efficiency by using the in-situ spawning induction device.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a parent-ginseng in-situ spawning induction device comprises a square frame, an attachment plate, a net piece, a steel chain, a floating ball, a plastic rope, a fixed pile and a cross beam;
the square frame is characterized in that a plurality of beams which are arranged in parallel are arranged on the upper surface and the lower surface of the square frame at intervals, a plurality of attachment plates are fixed between the beams corresponding to the upper surface and the lower surface of the square frame at intervals, fixing piles extending from four vertical edges of the square frame are arranged at four corners of the bottom surface of the square frame, four steel chains are fixed at four corners of the top surface of the square frame and are mutually cross-linked at the tail ends, a net piece is bound on six surfaces of the square frame through a rolling belt, and a floating ball is connected with the cross-linking part of each steel chain through a plastic rope.
Preferably, the square frame is formed by welding reinforcing steel bars, and is 70-90cm long, 70-90cm wide and 50-70cm high.
Preferably, the length of the cross beams is the same as the width of the square frame, and each cross beam is 15-20cm apart.
Preferably, the attachment plates are made of polyethylene materials, the length of the attachment plates is 50-70cm, the width of the attachment plates is 10-12.5cm, and the interval between every two attachment plates is 5-7 cm.
Preferably, 4 attachment plates are fixed between the corresponding beams on the upper and lower surfaces of the square frame, and the total number of the attachment plates in one square frame is 16.
Preferably, the tail end of the fixing pile is sharpened, and the length of the fixing pile is 12-20 cm.
Preferably, the mesh has a pore size of 8-12 mm.
The invention also provides a parent ginseng in-situ spawning induction method using the parent ginseng in-situ spawning induction device, which comprises the following steps:
1) catching and temporarily culturing parent ginseng: catching wild ginseng by a conventional method, transporting the wild ginseng to a base for temporary culture for 1-2 days, and timely cleaning excrement of the wild ginseng in the temporary culture process;
2) drying parent ginseng in the shade: draining off seawater in the temporary culture pond at 5 pm on the induced spawning day, and drying the parent ginseng in the shade for 1 hour by adopting a conventional mode;
3) carrying and transporting parent ginseng: opening the side net sheets of the device vertical to the direction of the partition plate, uniformly loading the shade-dried parent ginseng into the parent ginseng in-situ spawning device, quickly binding the net sheets again by using a rolling belt, and transporting the spawning device to a spawning site in a natural sea area by a ship;
4) carrying out in-situ induced spawning on the dried parent ginseng in the shade: lifting the steel chain and the plastic rope, stably placing the spawning device into the seabed, inserting the fixing piles into the seabed under the action of gravity, and enabling the parent ginseng to naturally spawn under the flowing water stimulation of natural seawater;
5) recovering the parent ginseng after spawning: after the parent ginseng is dried in the shade and induced to spawn in situ for 2-4 days, finding the induced spawning device through the floating ball, lifting the induced spawning device, putting the parent ginseng into the sea, or withdrawing the breeding base to continue breeding.
Preferably, the selection criteria of the spawning sites of the natural sea area are as follows: good water quality, sufficient floating algae bait, less enemy organisms and more reef on the seabed.
Preferably, in the step 3), the shipping process needs to be completed within 1 to 1.5 hours.
The principle and the advantages of the device of the invention for carrying out parent-ginseng in-situ induced spawning are as follows:
(1) more sea cucumbers are concentrated in a limited and relatively closed space, so that female sea cucumbers can be induced to lay eggs, and the probability of combination of sperms and eggs is greatly increased.
(2) The mesh with the aperture of 8-10mm is used as the outer cover of the spawning induction device, so that the stimulation of the continuous seawater flow to the parent ginseng is ensured, the number of the female ginseng for spawning is increased, and fertilized eggs can be quickly diffused out.
(3) The attachment plates are made of polyethylene materials, so that the parent sea cucumbers can climb and attach without being cut, the intervals of the attachment plates are 5-7cm, the sea cucumbers can shuttle between the intervals of the attachment plates, the attachment positions in the device are changed, and meanwhile, the intervals of the attachment plates and the plates are also favorable for sperm and egg flowing, so that the fertilization rate is improved.
(4) The device is the cuboid of fretwork, and the square frame is made by the steel reinforcement welding, and the spud pile that four perpendicular limits of square frame extend out, the material is the same with the square frame, can insert the muddy seabed, therefore the device is difficult to be knocked over by the stormy waves, fixes in the open air environment easily.
(5) The floating ball floats on the sea surface for positioning, so that the device is convenient to recover after the parent sea cucumber is bred.
(6) The device of the invention adopts the partition plate, improves the longitudinal space, has small volume and large capacity, is convenient to transport, and can contain more than 80 parent participants in a single device.
Drawings
FIG. 1 is a schematic structural diagram of the parent-ginseng in-situ spawning device according to the present invention;
description of reference numerals: 1-a square frame; 2-attaching a plate; 3-mesh sheet; 4-a steel chain; 5-floating ball; 6-plastic rope; 7-fixing the pile; 8-beam.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
As shown in fig. 1, the in-situ spawning device for parent participation of the present embodiment mainly includes: the device comprises a square frame 1, an attachment plate 2, a net piece 3, a steel chain 4, a floating ball 5, a plastic rope 6, a fixed pile 7 and a cross beam 8.
The square frame 1 is 80cm long, 80cm wide and 60cm high, and is made of steel bars by a conventional welding process. 4 crossbeams 8 are respectively welded on the upper surface and the lower surface of the square frame 1 and are arranged in parallel, the length of the crossbeam 8 is 80cm as the width of the square frame 1, the interval between every two crossbeams is 18cm, and the crossbeam 8 is also made of steel bars. More sea cucumbers can be concentrated in a limited and relatively closed space, so that female sea cucumbers can be induced to lay eggs, and the probability of combination of sperms and eggs is greatly increased.
4 attaching plates 2 are fixed between corresponding cross beams 8 on the upper surface and the lower surface of the square frame 1 at intervals, 16 attaching plates are arranged in one square frame 1 in total, the specification of each attaching plate 2 is 60cm in length, 12cm in width and 6cm in interval, and the attaching plates 2 are made of polyethylene materials. The attachment plates 2 are made of polyethylene materials, so that the parent sea cucumbers can climb and attach without being cut, the distance is 5-7cm, the sea cucumbers can shuttle between the attachment plates 2, the attachment positions in the device are changed, the distance between the plates is also favorable for sperm and egg flowing, and the fertilization rate is improved.
Four corners of the bottom surface of the square frame 1 are provided with fixing piles 7 extending from four vertical edges of the square frame 1, the tail end of each fixing pile is sharpened, and the length of each fixing pile is 15 cm. Can be inserted into the muddy seabed, so the device is not easy to be overturned by wind and waves and is easy to be fixed in the field environment. Four corners of the top surface of the square frame 1 are fixed with 4 steel chains 4, and the tail ends are mutually crosslinked. The floating ball 5 is connected with the cross-linking part of the steel chain 4 through a plastic rope 6. The floating ball 5 floats on the sea surface for positioning, so that the device is convenient to recover after the parent sea cucumber is bred. The net piece 3 is bound on six surfaces of the square frame 1 through rolling belts, the total number is 6, the aperture of the net piece is 8-12mm, the stimulation of continuous seawater flow to the parent ginseng is ensured, the number of the female ginseng for egg laying is increased, and fertilized eggs can be quickly diffused.
Example 2:
a parent ginseng in-situ spawning induction method uses the parent ginseng in-situ spawning induction device in embodiment 1, and mainly comprises the following steps:
(1) catching the parent ginseng: catching wild ginseng by a conventional method, transporting the wild ginseng to a base for temporary culture for 1 day, and timely cleaning excrement of the wild ginseng in the temporary culture process.
(2) Drying parent ginseng in the shade: draining off seawater in the temporary culture pond at 5 pm on the induced spawning day, and drying the parent ginseng in the shade for 1 hour by adopting a conventional mode.
(3) Carrying and transporting parent ginseng: opening the side net sheets of the device vertical to the direction of the partition plate, uniformly loading the shade-dried parent sea cucumber into the in-situ spawning device, quickly binding the net sheets again by using a rolling belt, and transporting the spawning device to a spawning place in a natural sea area by a ship. The selection criteria of the spawning sites in the natural sea area are as follows: good water quality, sufficient floating algae bait, less enemy organisms and more reef on the seabed. The shipping process needs to be completed in 1-1.5 hours.
(4) Carrying out in-situ induced spawning on the dried parent ginseng in the shade: and lifting the steel chain and the plastic rope, stably placing the spawning device into the seabed, inserting the fixing piles into the seabed under the action of gravity, and enabling the parent ginseng to naturally spawn under the flowing water stimulation of natural seawater.
(5) Recovering the parent ginseng after spawning: after the parent ginseng is dried in the shade and induced to spawn in situ for 3 days, finding the induced spawning device through the floating ball, lifting the induced spawning device, putting the parent ginseng into the sea, or withdrawing the breeding base to continue breeding.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (10)
1. The utility model provides a parent sea normal position oxytocic device which characterized in that: comprises a square frame (1), an attachment plate (2), a net piece (3), a steel chain (4), a floating ball (5), a plastic rope (6), a fixed pile (7) and a cross beam (8);
the utility model provides a square frame (1) upper and lower two sides each interval sets up crossbeam (8) of a plurality of parallel arrangement, each interval is fixed a plurality of attachment plates (2) between crossbeam (8) that correspond about square frame (1), square frame (1) bottom surface four corners is equipped with spud pile (7) that extend out by four perpendicular limits of square frame (1), four steel chain (4) are fixed in square frame (1) top surface four corners, and cross-linking each other at the end, net piece (3) are bound on six faces of square frame (1) through rolling the area, the cross-linking department that floater (5) pass through plastic rope (6) and steel chain (4) links to each other.
2. The in-situ spawning induction device for parent participants according to claim 1, wherein: the square frame (1) is formed by welding reinforcing steel bars, and is 70-90cm long, 70-90cm wide and 50-70cm high.
3. An in-situ spawning induction device for parent participants according to claim 2, wherein: the length of the cross beams (8) is the same as the width of the square frame (1), and the interval between every two cross beams (8) is 15-20 cm.
4. A device for parent-sea in-situ induced spawning according to claim 3, wherein: the attachment plates (2) are made of polyethylene materials, the length is 50-70cm, the width is 10-12.5cm, and the interval of each attachment plate (2) is 5-7 cm.
5. An in-situ spawning induction device for parent participants according to claim 4, wherein: 4 attachment plates (2) are respectively fixed between corresponding cross beams (8) on the upper surface and the lower surface of the square frame (1), and 16 attachment plates (2) are totally arranged in one square frame (1).
6. The in-situ spawning induction device for parent participants according to claim 1, wherein: the tail end of the fixed pile (7) is sharpened, and the length is 12-20 cm.
7. The in-situ spawning induction device for parent participants according to claim 1, wherein: the aperture of the mesh (3) is 8-12 mm.
8. An in-situ spawning method for parent ginseng, which adopts the in-situ spawning device for parent ginseng according to any one of claims 1 to 7, and is characterized in that: the method comprises the following steps:
1) catching and temporarily culturing parent ginseng: catching wild ginseng by a conventional method, transporting the wild ginseng to a base for temporary culture for 1-2 days, and timely cleaning excrement of the wild ginseng in the temporary culture process;
2) drying parent ginseng in the shade: draining off seawater in the temporary culture pond at 5 pm on the induced spawning day, and drying the parent ginseng in the shade for 1 hour by adopting a conventional mode;
3) carrying and transporting parent ginseng: opening the side net sheets of the device vertical to the direction of the partition plate, uniformly loading the shade-dried parent ginseng into the parent ginseng in-situ spawning device, quickly binding the net sheets again by using a rolling belt, and transporting the spawning device to a spawning site in a natural sea area by a ship;
4) carrying out in-situ induced spawning on the dried parent ginseng in the shade: lifting the steel chain and the plastic rope, stably placing the spawning device into the seabed, inserting the fixing piles into the seabed under the action of gravity, and enabling the parent ginseng to naturally spawn under the flowing water stimulation of natural seawater;
5) recovering the parent ginseng after spawning: after the parent ginseng is dried in the shade and induced to spawn in situ for 2-4 days, finding the induced spawning device through the floating ball, lifting the induced spawning device, putting the parent ginseng into the sea, or withdrawing the breeding base to continue breeding.
9. The method for parent-ginseng in-situ induced spawning according to claim 8, wherein: the selection criteria of the spawning sites of the natural sea area are as follows: good water quality, sufficient floating algae bait, less enemy organisms and more reef on the seabed.
10. The method for parent-ginseng in-situ induced spawning according to claim 8, wherein: in the step 3), the shipping process needs to be completed within 1-1.5 hours.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114258878A (en) * | 2021-11-22 | 2022-04-01 | 中国科学院南海海洋研究所 | In-situ spawning induction method for tridacna parents |
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| CN114258878B (en) * | 2021-11-22 | 2022-11-22 | 中国科学院南海海洋研究所 | In-situ spawning induction method for tridacna parents |
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