CN104813968A - Cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters - Google Patents
Cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters Download PDFInfo
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- CN104813968A CN104813968A CN201510195292.3A CN201510195292A CN104813968A CN 104813968 A CN104813968 A CN 104813968A CN 201510195292 A CN201510195292 A CN 201510195292A CN 104813968 A CN104813968 A CN 104813968A
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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 cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters. The cultchless connection aquaculture method for improving the economic benefit of the Hong Kong oysters includes: in autumn and winter, using flat ground resistant to sunshine, resistant to rain, and good in ventilation as a work place, selecting the cultchless Hong Kong oysters larger than or equal to 30mm in shell height as connection objects, controlling the length of each larva rope within 1.6-2.5m, arranging 8-15 adhesion points on each larva rope, setting an interval between each two adjacent adhesion points as 10-15cm, using left shells of the cultchless Hong Kong oysters as adhesion points of the cultchless Hong Kong oysters, using cement as adhesive, adhering the left shells of the cultchless Hong Kong oysters to the adhesion points of the larva ropes, and adhering 2-6 cultchless Hong Kong oysters to each adhesion point of each larva rope, and in adhesion, keeping the height direction of the oyster shells parallel to the larva ropes and the length direction of the oyster shells vertical to the larva ropes, and setting the tops of the oyster shells underneath, or keeping the height direction of the oyster shells vertical to the larva ropes and the length direction of the oyster shells parallel to the larva ropes, and then placing the larva ropes in a shade place, and finally hanging the larva ropes and the Hong Kong oysters adhered to the larva ropes on a buoyant raft or a sunken raft for cultivation after the cement is dried and hard.
Description
Technical field:
The invention belongs to technical field of shellfish culture in Marine agriculture, be specifically related to a kind of monomer improving Hong Kong oyster economic benefit and connect cultural method.
Background technology:
Hong Kong oyster Crassostreahongkongensis is the Main Economic kind of China's the South China coastal cultivation, like living in nearly river mouth or near have fresh water to inject place, mainly be distributed in the ground such as Guangdong, Guangxi, annual production more than 130 ten thousand tons, the output value is in 80-100 hundred million yuan (China Fisheries yearbook, 2013).Hong Kong oyster is compared with other oyster kind, it is worth and is mainly reflected in body pork fertilizer, delicious flavour, its market value is far above other kind oyster in addition, deeply by Guangdong, Guangxi, Hongkong and Macro, some national consumers of Southeast Asia (Zhang Yuehuan etc., 2014).
Hong Kong oyster has the cultivation history of nearly one thousand years in China, and formula that its main cultural method is divided into beach transplanting, mattress sinking is hung down cultivates, raft formula hangs down the types such as formula cultivation, shed frame type cultivation.Wherein, buoyant raft and mattress sinking are two kinds of of paramount importance breeding way, and oyster agricultures in the past all adopt wild seed to form.Wherein, there are some problems, one is if seed density is excessive, and its growth rate is just relatively slower, mating season and winter lethality high, the culture-cycle is long; Two is if seed density is too low, and growth rate is relatively very fast, but specific yield is low, and economic benefit is undesirable; Three is the raw oysters by this traditional breeding way output, and come in every shape, outward appearance is uneven, and unit price is lower.For this reason, how to create a set of aquaculture model according to carrying capacity control cultivation density most important, thus accelerate growth rate, raising survival rate, raising specific yield, change oyster external form, improve unit price.
Summary of the invention:
The object of the invention is, unit price not high defect lower for the single rate existed in current Hong Kong oyster culture technology, provide a kind of practical, the monomer of raising Hong Kong oyster culture benefit that per unit area yield is high, profitable connects cultural method.
The present invention constructs monomer and connects cultural method to improve Hong Kong oyster economic benefit, by obtaining the links such as monomer, monomer connection, monomer cultivation, accelerate growth rate, improve per unit area yield and unit price thereof, stablize fast development for Hong Kong oyster industry and provide solid foundation, thus achieve object of the present invention.
The monomer of raising Hong Kong of the present invention oyster economic benefit connects cultural method, it is characterized in that, comprises the following steps:
In autumn and winter season, in case Sai, rainproof, ventilate good ground grading as workplace, select shell high >=monomer Hong Kong oyster of 30mm is as connecting object, the cut to lengthen of every bar seedling rope is at 1.6-2.5 rice, every bar seedling rope arranges 8 ~ 15 sticky points, spacing between every two sticky points is 10 ~ 15cm, with the left shell of monomer Hong Kong oyster for sticky point, using cement as sticker, the left shell of monomer Hong Kong oyster is sticked on the sticky point of seedling rope, each sticky point adheres to 2 ~ 6 monomer Hong Kong oysters, during adhesion, oyster shell height direction is parallel with seedling rope, oyster shell length direction is vertical with seedling rope, shell withstands on down, or oyster shell height direction is vertical with seedling rope, shell length direction is parallel with seedling rope, then shady and cool place places, after cement is stiff, seedling rope and Hong Kong oyster hanging culture adhering to Miao Shengshang cultivate on buoyant raft or mattress sinking.Through the cultivation of anniversary, listing specification can be reached.
Described oyster shell height direction is vertical with seedling rope, and shell length direction is parallel with seedling rope, and preferably, now each sticky point limits two monomer Hong Kong oysters, and the shell top of two monomer Hong Kong oysters is staggered relatively.
Described shell is high >=and to be preferably shell high be monomer Hong Kong oyster of 30 ~ 100mm for monomer Hong Kong oyster of 30mm.
Select in autumn and winter season operation, be because oyster is now in carry out vegetative period (non-breeding season), now temperature is lower, and be conducive to oyster and reveal empty placement for a long time, viability is high.
By on monomer Hong Kong oyster adhesion seedling rope time, notice that two shells of monomer Hong Kong oyster do not cling by cement, cause it cannot open bivalve and carry out rate aquatic respiration and ingest, as found that there is this kind of phenomenon, disposing immediately and clinging position, bivalve cement; The monomer used to some extent again, if there is damage, is positioned in normal seawater and re-used after 3-7 days, both can avoid damage, and prevent individual death.
The present invention is by obtaining the sport technique segments such as monomer, monomer connection, monomer cultivation, the monomer constructing a set of raising Hong Kong oyster economic benefit connects cultural technique technique, and the excessive poor growth of seed density, the lethality that utilize natural seeding, wild fry to carry out existing in breeding process of overcoming over is high; The defects such as seed density too low waste culture zone usable floor area, specific yield are low.The present invention not only obtains the commodity oyster of outward appearance neat and consistent, improve oyster unit price 20-30%, effectively can also control cultivation density according to carrying capacity, accelerate growth rate 80-120%, improve specific yield 10-15%, increase economic efficiency more than 60%, this provides new way for Hong Kong oyster healthy aquaculture industry sustainable development.The present invention has practical, is easy to the advantages such as popularization.
Embodiment:
Following examples further illustrate of the present invention, instead of limitation of the present invention.
Embodiment 1
A, connect hours: in October, 2012, in oyster culture district, Hong Kong, port owned by the government, Zhanjiang, carry out Hong Kong oyster monomer connection work;
B, connect place: have selected one piece of anti-Sai on limit, terminal enclosure coastal waters, port owned by the government, rainproof, good ground grading of ventilating is about 2000m
3as workplace;
C, connecting material: by artificial de-based method, obtain 240,000 monomer Hong Kong oyster seeds, shell is high at 50-60mm, prepare cement 30 bags, fine sand 1 car, the plastic ties 300 jin of 120 as seedling rope simultaneously;
D, method of attachment: every bar seedling rope cut to lengthen is at 1.8 meters, 10 sticky points are set, between every two bonding points, spacing is 12cm, with the left shell of Hong Kong oyster for sticky point, the cement mortar be mixed to form using cement and fine sand is as adhesive agent, and with sticky 2 the monomer Hong Kong oysters (with the left shell of monomer Hong Kong oyster for sticky point) of the sticky point of cement mortar on every bar seedling rope, oyster shell height direction is parallel with seedling rope, oyster shell length direction is vertical with seedling rope, and shell withstands on down.8-12h is placed at shady and cool place, after cement is stiff by seedling rope and adhere to Miao Shengshang Hong Kong oyster hanging culture in mattress sinking.
In whole monomer connection procedure, amount to connection 1.2 ten thousand, make use of 10 day time, every day is all 10 workmans, can connect about 100 for each person every day.It should be noted that cement does not cling oyster left and right shell, make it cannot open bivalve breathing and ingest, dispose in time and cling bivalve cement, prevent individual death.Wherein, nearly about 8000 damaged individualities, through placing 5 days in the seawater, shell heals substantially, and all carry out monomer connection afterwards, survival rate is more than 95%.
In October, 2013, formed through 12 months, monomer reaches listing specification, for traditional cultural method, monomer connects aquaculture model in culture zone, port owned by the government, and specific yield is increased to 60 tons by original 50 tons/mattress sinking, and single Individual Size rises to 250-360g/ by original average 120-150g/, unit price is increased to 8 yuan/kg by original 6.0 yuan/kg, and in integral level, economic benefit adds 60%.
Embodiment 2
A, connect hours: in October, 2013, in oyster culture district, Hong Kong, Hengqin, Zhuhai, carry out Hong Kong oyster monomer connection work;
B, connect place: seashore have selected one piece of anti-Sai near culture zone, rainproof, good ground grading of ventilating is about 1500m
3as workplace;
C, connecting material: by artificial de-based method, obtain 600,000 monomer Hong Kong oyster seeds, shell is high at 60-80mm, prepare cement 75 bags, fine sand 3 car, the plastic ties 300 jin of 120 as seedling rope simultaneously;
D, method of attachment: every bar seedling rope cut to lengthen is at 1.6 meters, 8 sticky points are set, between every two sticky points, spacing is at 10cm, with the left shell of Hong Kong oyster for sticky point, the cement mortar be mixed to form using cement and fine sand is as adhesive agent, and with sticky 6 the monomer Hong Kong oysters (with the left shell of monomer Hong Kong oyster for sticky point) of the sticky point of cement mortar on every bar seedling rope, oyster shell height direction is parallel with seedling rope, oyster shell length direction is vertical with seedling rope, and shell withstands on down.8-12h is placed at shady and cool place, after cement is stiff by seedling rope and adhere to Miao Shengshang Hong Kong oyster hanging culture in mattress sinking.
In whole monomer connection procedure, amount to connection 1.25 ten thousand, make use of 10 day time, every day is all 10 workmans, can connect about 125 for each person every day.It should be noted that cement does not cling oyster left and right shell, make it cannot open bivalve breathing and ingest, can be suppressed dead while still alive, dispose in time and cling bivalve cement, prevent individual death.Wherein, nearly about 12000 damaged individualities, through placing 7 days in the seawater, shell heals substantially, and all carry out monomer connection afterwards, survival rate is more than 95%.
In October, 2014, formed through 12 months, oyster reaches listing specification in monomer Hong Kong, for traditional cultural method, monomer connects aquaculture model in culture zone, Hengqin, Zhuhai, and specific yield is increased to 72 tons by original 60 tons/mattress sinking, and single Individual Size rises to 250-300g/ by original average 150-180g/, unit price is increased to 8.0 yuan/kg by original 5.6 yuan/kg, and in integral level, economic benefit adds 70%.
Embodiment 3
A, connect hours: in October, 2013, in oyster culture district, Hong Kong, strong wind river, Hepu County Guangxi, carry out Hong Kong oyster monomer connection work;
B, connect place: have selected one piece of anti-Sai on limit, official's well terminal enclosure coastal waters, rainproof, good ground grading of ventilating is about 3000m
3as workplace;
C, connecting material: by artificial de-based method, obtain 1,200,000 monomer Hong Kong oyster seeds, shell is high at 90-100mm, prepare cement 150 bags, fine sand 5 car, the plastic ties 2000 jin of 120 simultaneously;
D, method of attachment: every bar seedling rope cut to lengthen is at 2.5 meters, 15 sticky points are set, between every two bonding points, spacing is 15cm, with the left shell of Hong Kong oyster for sticky point, the cement mortar be mixed to form using cement and fine sand is as adhesive agent, with sticky 2 the monomer Hong Kong oysters (with the left shell of monomer Hong Kong oyster for sticky point) of the sticky point of cement mortar on every bar seedling rope, oyster shell height direction is vertical with seedling rope, shell length direction is parallel with seedling rope, now each sticky point limits two monomer Hong Kong oysters, and the shell top of two monomer Hong Kong oysters is staggered relatively.8-12h is placed at shady and cool place, after cement is stiff by seedling rope and adhere to Miao Shengshang Hong Kong oyster hanging culture on floating mat.
In whole monomer connection procedure, amount to connection 4.0 ten thousand, make use of 20 day time, every day is all 20 workmans, can connect about 100 for each person every day.It should be noted that cement does not cling oyster left and right shell, make it cannot open bivalve breathing and ingest, can be suppressed dead while still alive.Wherein, nearly about 18000 damaged individualities, through placing 7 days in the seawater, shell heals substantially, and all carry out monomer connection afterwards, survival rate is more than 90%.
In October, 2014, formed through 12 months, oyster reaches listing specification in monomer Hong Kong, for traditional cultural method, monomer connects aquaculture model in culture zone, strong wind river, and specific yield is increased to 40 tons by original 30 tons/mattress sinking, and single Individual Size rises to 200-300g/ by original average 100-150g/, unit price is increased to 8.0 yuan/kg by original 6.0 yuan/kg, and in integral level, economic benefit adds 77%.
Claims (3)
1. the monomer improving Hong Kong oyster economic benefit connects a cultural method, it is characterized in that, comprises the following steps:
In autumn and winter season, in case Sai, rainproof, ventilate good ground grading as workplace, select shell high >=monomer Hong Kong oyster of 30mm is as connecting object, the cut to lengthen of every bar seedling rope is at 1.6-2.5 rice, every bar seedling rope arranges 8 ~ 15 sticky points, spacing between every two sticky points is 10 ~ 15cm, with the left shell of monomer Hong Kong oyster for sticky point, using cement as sticker, the left shell of monomer Hong Kong oyster is sticked on the sticky point of seedling rope, each sticky point adheres to 2 ~ 6 monomer Hong Kong oysters, during adhesion, oyster shell height direction is parallel with seedling rope, oyster shell length direction is vertical with seedling rope, shell withstands on down, or oyster shell height direction is vertical with seedling rope, shell length direction is parallel with seedling rope, then shady and cool place places, after cement is stiff, seedling rope and Hong Kong oyster hanging culture adhering to Miao Shengshang cultivate on buoyant raft or mattress sinking.
2. the monomer of raising Hong Kong according to claim 1 oyster economic benefit connects cultural method, it is characterized in that, described oyster shell height direction is vertical with seedling rope, shell length direction is parallel with seedling rope, now each sticky point limits two monomer Hong Kong oysters, and the shell top of two monomer Hong Kong oysters is staggered relatively.
3. the monomer of raising Hong Kong according to claim 1 oyster economic benefit connects cultural method, it is characterized in that, described shell is high >=monomer Hong Kong oyster of 30mm be shell high be monomer Hong Kong oyster of 30 ~ 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195292.3A CN104813968A (en) | 2015-04-22 | 2015-04-22 | Cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195292.3A CN104813968A (en) | 2015-04-22 | 2015-04-22 | Cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters |
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| CN104813968A true CN104813968A (en) | 2015-08-05 |
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|---|---|---|---|
| CN201510195292.3A Pending CN104813968A (en) | 2015-04-22 | 2015-04-22 | Cultchless connection aquaculture method for improving economic benefit of Hong Kong oysters |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305534A (en) * | 2016-08-22 | 2017-01-11 | 北海金不换水产贸易有限公司 | Culture method of single oysters |
| CN106942105A (en) * | 2017-05-11 | 2017-07-14 | 中国海洋大学 | A kind of method for carrying out Hong Kong oyster artificial breeding using the northern megathermal period |
| CN113940299A (en) * | 2021-10-08 | 2022-01-18 | 中山大学 | Method for restoring estuary sea area fishery resources |
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| CN1568673A (en) * | 2003-07-21 | 2005-01-26 | 王古铨 | Method for artificial cultivation of mussel on tidal flat and sand shoal |
| JP2006174779A (en) * | 2004-12-24 | 2006-07-06 | Yoshitaka Kajimura | Method for farming oyster and supplementary feed used in the method for farming the same |
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| JP2006174779A (en) * | 2004-12-24 | 2006-07-06 | Yoshitaka Kajimura | Method for farming oyster and supplementary feed used in the method for farming the same |
| CN103461231A (en) * | 2013-08-08 | 2013-12-25 | 山东省海洋水产研究所 | Reinforcement type wind wave resistant oyster cultivation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305534A (en) * | 2016-08-22 | 2017-01-11 | 北海金不换水产贸易有限公司 | Culture method of single oysters |
| CN106942105A (en) * | 2017-05-11 | 2017-07-14 | 中国海洋大学 | A kind of method for carrying out Hong Kong oyster artificial breeding using the northern megathermal period |
| CN106942105B (en) * | 2017-05-11 | 2020-03-17 | 中国海洋大学 | Method for artificially breeding seedlings of crassostrea hongkongensis by utilizing northern high-temperature period |
| CN113940299A (en) * | 2021-10-08 | 2022-01-18 | 中山大学 | Method for restoring estuary sea area fishery resources |
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Application publication date: 20150805 |