CN101715750B - Sea area intermediate breeding method applicable to Ruditapes philippinarum seedlings - Google Patents
Sea area intermediate breeding method applicable to Ruditapes philippinarum seedlings Download PDFInfo
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- CN101715750B CN101715750B CN2009102490466A CN200910249046A CN101715750B CN 101715750 B CN101715750 B CN 101715750B CN 2009102490466 A CN2009102490466 A CN 2009102490466A CN 200910249046 A CN200910249046 A CN 200910249046A CN 101715750 B CN101715750 B CN 101715750B
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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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Abstract
The invention discloses a sea area intermediate breeding method applicable to Ruditapes philippinarum seedlings, comprising the following steps: preparing an intermediate breeding tool of Ruditapes philippinarum seedlings; collecting seedlings with a mesh bag and hanging at sea for breeding; keeping normal water temperature, salinity and PH hydration index during intermediate breeding management at sea, brushing the bag every seven days, cleaning fluid mud and removing attachment to ensure smooth water flow of the mesh bag; after the size of the Ruditapes philippinarum seedlings reaches 1mm, selecting a mesh bag with 20 meshes and transferring on the sea according to the density of 5000 granules/bag, and temporarily breeding once again according to the above sea area hung breeding way; and after the size the Ruditapes philippinarum seedlings reaches 2mm, selecting a mesh bag with 10 meshes and transferring on the sea according to the density of 2000 granules/bag, and then hanging for breeding once again according to the above sea area hung breeding way. The method has the characteristics of simple process steps, easy operation and control and low cost, and improves the yield of unit water body.
Description
Technical field
The present invention relates to a kind of sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed, reach certain specification when the young juvenile mollusk of clam specifically, juvenile mollusk by certain density polyethylene mesh bag of packing into, is hung on the scallop buoyant raft of sea area and supports temporarily.Along with the growth of the young seed of clam, change gradually the large mesh mesh bag, evacuate seed density.This method has improved the survival rate of the young seed of clam, has accelerated the young seed growth rate of clam, has shortened the seed indoor culture time, has improved the utilization rate between seedling culturing vehicle, thereby has improved all annual productions of the young seed of clam of unit of water body.
Background technology
At present, a lot of scholars are studied Ruditapes philippinarum aquaculture organism, ecology.In recent years, the healthy aquaculture of northern China sea area Ruditapes philippinarum and indoor extensive artificial breeding technique have been obtained great breakthrough, and have created young " three-stage process " cultural technique (Yan and Zhang etc., 2006) of clam.But there is not yet report for the research of breeding in the middle of the young seed of the clam sea area, breed research in the middle of carrying out the Ruditapes philippinarum sea area, ahead of time indoor juvenile mollusk is moved to holding culture offshore, can effectively improve availability between seedling culturing vehicle, improve the output of unit of water body, for efficient, the young seed of biological breeding clam provide new approaches, the centre of other intertidal shellfish kind is bred also reference value.
Summary of the invention
The purpose of this invention is to provide simple, the good operation of a kind of step, easy to control, cost is low, improve the sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed of the output of unit of water body, overcomes the deficiencies in the prior art.
The sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed of the present invention is comprised of following steps:
1, the preparation of breeding instrument in the middle of the young seed of clam:
1) makes the polyethylene mesh bag, select 60 orders, 20 orders, 10 order polythene net sheets, make respectively long 30cm, the mesh bag of wide 20cm;
2) make clam seedling Sheng and get device, make once can contain respectively and get 10000 500-800 μ m clam seedlings, once can contain and get 5000 1mm clam seedlings, once can contain the spoon shape Sheng of getting 2000 2mm clam seedlings and get device;
3) prepare to be about some of 3m polyethylene ropes;
4) according to supporting temporarily the dropstone that sea area stormy waves situation is prepared the 0.5-2 kilogram, stone packed into make the dropstone bag in the mesh bag;
5) prepare the basin of splendid attire clam seedling or tank several;
2, mesh bag is collected seedling and the sea keeps hanging:
1) be that 500-800 μ m clam seedling is collected in the tank that fills with fresh seawater with specification, inflation is supported temporarily;
2) by 10000/bag density, select 60 order mesh bags, use to contain and get device, contain the clam seedling of the getting 500-800 μ m mesh bag of packing into;
3) use mesh bag that polyethylene rope will install seedling to tying up, a rope is 8 bags, fastens dropstone under the rope, is to hang the clam seedling;
4) the clam seedling that installs is transported to the sea, keeps humidity in the transportation, the above hides one deck shading net, does sun-proof, anti-air-dry, anti-rain processing;
5) the clam seedling is hung on marine buoyant raft and supports temporarily, whenever hanging clam seedling spacing is 1m;
3, the marine middle management of breeding:
Keep water temperature, salinity, PH hydration index normal, rinsed bag once in per 7 days, clean mud scum, remove attachment, guarantee that the mesh bag current are unobstructed;
The young seed size length of clam is transported the clam seedling in the workshop back behind 1mm, clam seedling in the mesh bag is rinsed washed in basin, when treating that the clam seedling is deposited in the bottom, pours out seawater, adds fresh seawater, and operation is until remove impurity in the basin and dead shell clean repeatedly, and inflation is supported temporarily; By 5000/bag density, select 20 order net bagged seedlings and be transported to the sea, keep hanging mode by above-mentioned sea area and again support temporarily;
The young seed size length of clam is transported the clam seedling in the workshop back behind 2mm, clam seedling in the mesh bag is rinsed washed in basin, when treating that the clam seedling is deposited in the bottom, pours out seawater, adds fresh seawater, and operation is until remove impurity in the basin and dead shell clean repeatedly, and inflation is supported temporarily; By 2000/bag density, select 10 order net bagged seedlings and be transported to the sea, keep hanging mode by above-mentioned sea area and again keep hanging.
The sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed of the present invention, processing step is simple, good operation, easy to control, cost is low, has improved the output of unit of water body.
Embodiment
The sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed of the present invention, concrete steps are as follows:
The preparation of breeding instrument in the middle of the first step, the young seed of clam: 1) make different mesh polyethylene mesh bags.Select 60 orders, 20 orders, 10 order polythene net sheets, make respectively long 30cm, wide 20cm mesh bag, mesh bag quantity is determined according to the seed production scale.2) make clam seedling Sheng and get device, make once can contain respectively and get 10000 500-800 μ m clam seedlings, once can contain and get 5000 1mm left and right sides clam seedlings, once can contain the spoon shape Sheng of getting 2000 2mm clam seedlings and get device.3) prepare to be about some of 3m polyethylene ropes.4) according to supporting temporarily the dropstone that sea area stormy waves situation is prepared the 0.5-2 kilogram, make the dropstone bag in the mesh bag of the stone of constant weight can being packed into.5) prepare the large basin of splendid attire clam seedling or tank several.
Second step, the mesh bag method of collecting seedling: be that 500-800 μ m clam seedling is collected in the tank that fills with fresh seawater with specification, inflation is supported temporarily.The young seed shell of clam long size by 10000/bag density, is selected 60 order mesh bags when 500-800 μ m.Use to contain to get to contain and get device, contain and get the clam seedling mesh bag of packing into.The mesh bag that the use polyethylene rope will install seedling is to tying up, and a rope is 8 bags, fastens dropstone under the rope, is to hang the clam seedling.
The 3rd step, sea area keep hanging method: the clam seedling that installs is transported to the sea, should guarantees humidity in the transportation, the above hides one deck shading net, should note sun-proof, anti-air-dry, anti-rain.The empty time of land is shortened in the seawater moisturizing of will splashing of haulage time length as far as possible.
The clam seedling is hung on marine scallop buoyant raft supports temporarily, whenever hanging clam seedling spacing is 1m.
The 4th step, the marine middle management of breeding: the hydration index such as the water temperature in results of regular determination sea area, salinity, PH, understand the sea area water environment and change.Measure the long-living length of clam seedling shell, observe clam seedling survival condition in the bag, mesh bag current exchange situation.It is a lot of to breed the stage harmful animal in the middle of the sea area, mainly contains Enteromorpha, black buckwheat clam, clam worm and extra large naiad, shrimp crab, snail (comprising the red spiral shell of arteries and veins, flat beautiful spiral shell, mud snail etc.), sea anemone, starfish, fish (mainly containing goby and Pangasiidae fish).As find to occur in the mesh bag harmful organisms and should in time change mesh bag removing harmful animal.Rinsed bag in per 7 days once, clean mud scum, remove attachment, guarantee that the mesh bag current are unobstructed.Along with the large mesh mesh bag should be in time changed in the growth of clam seedling.The replacing method is: reach 1mm when above when the sea area keeps hanging clam seedling shell long size, the clam seedling is transported back in the workshop, clam seedling in the mesh bag rinsed wash in basin, when treating that the clam seedling is deposited in the bottom, slowly seawater is poured out, add fresh seawater, until impurity in the basin and dead shell removing is clean, inflation is supported temporarily several times in operation repeatedly.By 5000/bag density, select 20 order net bagged seedlings.8 bags is 1 to hang, and is transported to the sea by above-mentioned steps, is hung on marine buoyant raft and supports temporarily, and whenever hanging clam seedling spacing is 1m.
When the young seed size of clam when 2mm is above, by 2000/bag density, select 10 order net bagged seedlings, again heavily take above-mentioned sea and keep hanging step.
The below further describes the present invention:
The preparation of breeding instrument in the middle of the first step, the young seed of clam: according to the step 1 requirement, make long 30cm, wide 20cm mesh bag, 30000 of 60 order mesh bags, 50000 of 20 order mesh bags, 50000 of 10 order mesh bags.Make clam seedling Sheng and get 30 of devices.Preparation is about 6500 of 3m polyethylene nettles.0.5 6500 of kilogram dropstones.6) the bright red basin of 30L is 30.
Second step, mesh bag are collected seedling: the artificial breeding that carries out Ruditapes philippinarum in April, 2008 at Zhuanghe City, Dalian seashells nursery, the young floating larvae of clam is juvenile mollusk through 10-15 days growth settlement and metamorphosis, growth through 10-15 days, the juvenile mollusk specification can reach 500-800 μ m, the clam seedling is collected in the tank that fills with fresh seawater, and inflation is supported temporarily.Select 60 order mesh bags, by 10000/bag density, with the clam seedling of the collecting mesh bag of packing into.The mesh bag that the use polyethylene rope will install seedling is to tying up, and a rope is 8 bags, fastens dropstone under the rope, is to hang the clam seedling.
The 3rd step, sea area keep hanging: the clam seedling that installs is transported to the sea in batches, should guarantees humidity in the transportation, the above hides one deck shading net, should note sun-proof, anti-air-dry, anti-rain.The clam seedling is hung on marine scallop buoyant raft supports temporarily, whenever hanging clam seedling spacing is 1m.
The 4th step, the marine middle management of breeding: the hydration index such as the water temperature in results of regular determination sea area, salinity, PH, understand the sea area water environment and change.Divide Three regions to observe the clam long-living length of seedling shell and survival condition.Rinsed bag in per 7 days once, clean mud scum, remove attachment, guarantee that the mesh bag current are unobstructed.The young juvenile mollusk of clam keeps hanging 20-25 days at sea, and clam seedling specification can reach more than the 1mm.The clam seedling is transported back in the workshop, clam seedling in the mesh bag is rinsed washed in basin, treat that the clam seedling is deposited in when bottom, slowly seawater is poured out, add fresh seawater, operation is several times until remove impurity in the basin and dead shell clean repeatedly, and inflation is supported temporarily.Select 20 order mesh bags, by 5000/bag density, with the clam seedling of the collecting mesh bag of packing into.8 bags is 1 to hang, and by step 3 the clam seedling that installs is transported to the sea in batches, is hung on marine buoyant raft and supports temporarily, and whenever hanging clam seedling spacing is 1m.1mm clam seedling was through about 15 days growth, and shell length can reach more than the 2mm, the clam seedling is transported back from the sea indoor, change 10 order mesh bags after, hang back marine buoyant raft.Adopt in April, 2008-October the growth of clam seedling and the survival condition of sea area intermediate breeding method to see Table 1.
Table 1.2008 year April-adopt October the growth of clam seedling and the survival condition of sea area intermediate breeding method
Claims (1)
1. sea area intermediate breeding method that is suitable for the Ruditapes philippinarum seed is characterized in that: be comprised of following steps:
The preparation of breeding instrument in the middle of a, the young seed of clam:
1) makes the polyethylene mesh bag, select 60 orders, 20 orders, 10 order polythene net sheets, make respectively long 30cm, the mesh bag of wide 20cm;
2) make clam seedling Sheng and get device, make once can contain respectively and get 10000 500-800 μ m clam seedlings, once can contain and get 5000 1mm clam seedlings, once can contain the spoon shape Sheng of getting 2000 2mm clam seedlings and get device;
3) prepare to be about some of 3m polyethylene ropes;
4) according to supporting temporarily the dropstone that sea area stormy waves situation is prepared the 0.5-2 kilogram, stone packed into make the dropstone bag in the dropstone mesh bag;
5) prepare the basin of splendid attire clam seedling or tank several;
B, mesh bag are collected seedling and the sea keeps hanging:
1) be that 500-800 μ m clam seedling is collected in the tank that fills with fresh seawater with specification, inflation is supported temporarily;
2) by 10000/bag density, select 60 order mesh bags, use to contain and get device, contain the clam seedling of the getting 500-800 μ m mesh bag of packing into;
3) use mesh bag that polyethylene rope will install seedling to tying up, a rope is 8 bags, fastens the dropstone bag under the rope, is to hang the clam seedling;
4) the clam seedling that installs is transported to the sea, keeps humidity in the transportation, the above hides one deck shading net, does sun-proof, anti-air-dry, anti-rain processing;
5) the clam seedling is hung on marine buoyant raft and supports temporarily, whenever hanging clam seedling spacing is 1m;
C, the marine middle management of breeding:
Keep water temperature, salinity, PH hydration index normal, rinsed bag once in per 7 days, clean mud scum, remove attachment, guarantee that the mesh bag current are unobstructed;
The young seed size length of clam is transported the clam seedling in the workshop back behind 1mm, clam seedling in the mesh bag is rinsed washed in basin, when treating that the clam seedling is deposited in the bottom, pours out seawater, adds fresh seawater, and operation is until remove impurity in the basin and dead shell clean repeatedly, and inflation is supported temporarily; By 5000/bag density, select 20 order net bagged seedlings and be transported to the sea, keep hanging mode by b step sea and again support temporarily;
The young seed size length of clam is transported the clam seedling in the workshop back behind 2mm, clam seedling in the mesh bag is rinsed washed in basin, when treating that the clam seedling is deposited in the bottom, pours out seawater, adds fresh seawater, and operation is until remove impurity in the basin and dead shell clean repeatedly, and inflation is supported temporarily; By 2000/bag density, select 10 order net bagged seedlings and be transported to the sea, keep hanging mode by b step sea and again keep hanging.
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| CN103392635A (en) * | 2013-07-02 | 2013-11-20 | 中国水产科学研究院东海水产研究所 | Buoyant raft for large-scale artificial breeding of shellfish and using method thereof |
| CN103688886A (en) * | 2013-12-16 | 2014-04-02 | 大连海洋大学 | Method for ruditapes philippinarums aquiculture in shallow sea of subtidal zone |
| CN103960180A (en) * | 2014-04-16 | 2014-08-06 | 福建省水产研究所 | Short-necked clam large-area reclamation area larva breeding and sea area larva intermediate breeding method |
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| JP4870104B2 (en) * | 2008-02-19 | 2012-02-08 | 太平洋セメント株式会社 | Shellfish culture method |
| JP4963295B2 (en) * | 2008-02-28 | 2012-06-27 | 長崎県 | Bivalve floating larva rearing method and rearing apparatus |
| CN101433187B (en) * | 2008-12-17 | 2011-05-04 | 大连水产学院 | Artificial breeding method of Mactra chinensis |
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