CN1260108A - Culturing method for ctenostome pactnid and culture mat frame - Google Patents
Culturing method for ctenostome pactnid and culture mat frame Download PDFInfo
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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
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Abstract
The present invention discloses a pectinated scallop culture method and its special-purpose culture raft rack. Said invented culture method is characterized by that its spawn-separating breeding specification is 2.5 cm perfectly, and the culture density of every layer is 50-70 seeds/layer perfectly, the raft rack is hanged by ropes to float, and sinked by 6-14 m., the pin cable on the raft rack is set according to the ratio of wooden pin cable length L: seawater depth h=2.5-3 : 1, the raft rack lifting time is 9.20-9.30 per year, and the depth of lifting raft rack is at least not less than 6 m., said long-line float-hanging system of raft rack is equipped with floats, and its length is 6-14 m. perfectly.
Description
The cultural method of the chlamys farreri that the present invention relates to and special-purpose culture raft frame belong to aquaculture technology and aquaculture tool.
Cursory directly tying up on the floating well rope on the existing culture raft frame, the raft frame is in the water layer of 0.2-0.3 rice, and water surface belongs to the district that surges, the range of instability that just belongs to seawater, resist the storm ability, and do cultured scallop in such waters, harmful animal is many, adhere to a large amount of oysters, mussel on the cylinder mould, can cause the scallop lethality up to 70-80%.
Purpose of the present invention is intended to improve above-mentioned deficiency, provide a kind of and can resist tropical cyclone and the storm tide ability is strong, hardly staining metal on the cylinder mould, the scallop lethality is low, grow fast prolong fly hang float, the cultural method and the special-purpose breed instrument of sinking raft frame.
In order to achieve the above object, raft frame of the present invention is achieved in that it comprises cursory, a floating well rope, floating well rope two ends are that the short wooden stake cable is arranged, there is short wooden stake in short wooden stake cable-end head system, and there is the scallop cylinder mould floating well rope lower end by system of cylinder mould system, be characterized in floating well rope upper end by prolong water boom of rope be 3 be have cursory.
In order to achieve the above object, prolong fly and hang that to float be 3 long 6-14 rice.
In order to achieve the above object, prolong fly and hang that to float be that 3 long 10-12 rice are best.
In order to achieve the above object, cultural method of the present invention comprises the branch seedling time, divides the seedling seed size, every layer of breeding density, the setting of raft frame, raft frame lifting time, on put forward the degree of depth, be characterized in that the setting of raft frame is to prolong water boom of rope, sinking raft frame 6-14 rice, short wooden stake cable setting on the raft frame is length of peg cable L: the dark h=2.5-3 of seawater: 1, raft frame lifting time is to carry on excessively the setting stage of the assorted shellfish in the sea area on annual 20-September 30 September, assorted algae, on carry the raft frame the degree of depth be not less than 6 meters at least.
In order to achieve the above object, the setting of raft frame be prolong water boom of rope, sinking raft frame 10-12 rice is best.
Raft frame of the present invention ties up on the floating well rope cursory by prolonging water boom of rope system, solved well and prolonged water boom of rope, the breed purpose of sinking raft frame, make the waters growth of scallop in 6-14 rice fast, the survival rate height, growth best can avoid tropical cyclone and storm tide to attack effectively, culture the high 8-47% of survival rate than conventional method, output improves 22-80%.
Description of drawings:
Accompanying drawing is culture raft frame structural representation of the present invention (also for the raft frame afloat structural representation being set).
In order to understand better and to implement, be that embodiment further specifies the structure of culture raft frame and the setting and the cultural method thereof of culture raft frame below with the accompanying drawing.
Floating well rope 4 can adopt Ф 22-24cm polyethylene rope, short wooden stake cable 6 can adopt Ф 22-24cm polyethylene rope, two short wooden stake cables 6 are tied up to floating well rope 4 two ends, there is short wooden stake 9 in short wooden stake cable 6 lower ends system, can at first in the middle of short wooden stake, bore a hole, short wooden stake cable-end head is passed by the hole, making a call to a fast knot at short wooden stake cable-end head gets final product, floating well rope upper end by one prolong water boom of rope be 3 with cursory tying up to above, prolonging water boom of rope and be 3 length is 6-14 rice, cursory 1 can adopt the plastic hollow of Ф 28cm cursory, and scallop cylinder mould 7 can adopt garden cylindricality scallop cylinder mould, and the scallop cylinder mould is that 5 desirable length are 1.5cm, Ф is the polyethylene rope of 3mm, length of peg cable L: depth of water h=2.5-3: 1, length of peg cable L will determine (will determine according to concrete sea situation) to the degree of depth h on plane, seabed 8 according to sea level 2, being provided with of short wooden stake 9 must be less than 45 ° greater than 30 ° and just can, otherwise pull up easily, short wooden stake 9 is generally got 1.8-2m, and short wooden stake will be beaten the jail and fasten as for seabed 3-4 rice.Cultural method comprises the branch seedling time, divide the seedling seed size, every layer of breeding density, the raft frame is provided with, raft frame lifting time, on put forward the degree of depth, it is annual 20-May 30 May that scallop divides the seedling time, dividing the seedling seed size to be controlled at more than the 2.5cm is advisable, every layer of breeding density is 50-70 grain/layer, every layer of 60/layer of breeding density are best, every raft frame can be provided with 8 layers of scallop cylinder mould last, the setting of raft frame is to prolong water boom of rope, sinking raft frame 6-14 rice, 10-12 rice is best, the short wooden stake cable is provided with length L: the dark h=2.5-3 of seawater: 1, raft frame lifting time is annual 20-September 30 September, the assorted shellfish in sea area, the assorted algae setting stage is carried on excessively best, on carry the raft frame the degree of depth be not less than 6 meters at least.
Below with the conventional cultivation method with prolong water boom of rope sinking raft frame breeding method and do various comparative trials.
(1) experimental condition:
1, the seed of this test usefulness is the seed of natural waters semi cultivation, supporting temporarily cage, to adopt mesh be that cylindricality 8 layers of cylinder mould in 0.5-0.6cm garden carry out the centre to seed and breed, seed size is 2.5-2.6cm, seed is adopted and prolongs 500 mu of water boom of rope, sinking raft frame method breed quantity, every mu with 19.2 ten thousand of seedlings, check plot (conventional cultivation method) is cultured 500 mu, and every mu with 19.2 ten thousand of seedlings.
The employed material in test region and check plot, specification design its specification such as following table according to Long Island the first eight years production experience:
Test region and check plot various development goods and materials specification
| Culture the goods and materials title | Diameter (cm) | Length (m) |
| Polyethylene floats well rope | ????22-24 | ???66 |
| Polyethylene short wooden stake cable | ????22-24 | ???90-102 |
| Cylindrical cylinder mould | (1.8 8 layers) | |
| Polyethylene cylinder mould system (rope) polyethylene hangs and floats rope | 360 monofilament double joints of 360 monofilament double joints | ???1.5-1.7 ???10-12 |
| Plastic hollow is cursory | ??????28 | |
| The locust tree short wooden stake | ????15-20 | ???1.8-2 |
2, the geographical position of test region and check plot and natural conditions
The geographical position of Long Island stone roller rock test region, south and check plot is: south, (1) Tuo Ji island is far from 14.4 nautical miles on island bank; (2) 37 ° of 00 ' 12 " N, 120 ° of 05 ' 31 " E; (3) 37 ° of 00 ' 12 " N, 120 ° 00 ' 21 " E, each sub-district raft frame of test region and check plot 50 row, 36 sub-districts of thing, 4 Da Qu in north and south amount to 7200 row raft framves, test region 3600 row raft framves wherein, check plot 3600 row raft framves.
At the bottom of the substrate in test region and marine site, check plot was silt, between the depth of water 36-40m, it was main flow direction that the marine site ocean current flows to northwest-southeast stream, and flow velocity is (a list of references: the report of territory, a Tuo Ji South Sea of National Bureau of Oceanography comprehensive survey) between the 56-80cm/s.
3, prolong water boom of rope, sinking raft frame is provided with situation
500 mu of chlamys farreris are put in this sea area in a suitable place to breed, (3600 raft frame) in beginning in 1996, the base unit that constitutes this culture zone is a platform, raft frame concrete structure is provided with schematic diagram as shown in drawings, the direction of raft frame be northeast-southwest to, whole scallop test region and check plot the North are separately established two big row districts altogether from 36 culture zones, east orientation west, 72 sub-districts amount to 3600 raft framves; Establish two big row's cages too in south, test region, 72 sub-districts, 3600 raft framves are done the check plot, and distance is 28m between platform and the platform, and distance is 150m (including through-flow branch flow passage and inner navigation channel) between row and row.
(2) test method
1, test region and contrast differentiation seedling asynchronism(-nization) and scallop growth, survival rate, output comparative trial.
It is April 30, May 10,20 days, 30 days, June 10,20 days respectively that the seedling time is distinguished in test region, contrast, to observe its effect.
2, test region, the different breeding density in check plot and growth, survival rate, output comparative trial.
The breeding density that prolongs water boom of rope, sinking raft frame culture zone (test region) and check plot (conventional method) is divided into 40/layer, 50/layer, 60/layer, 70/layer, 80/layer, 90/layer, 100/layer seven density with observing effect.
3, test region, check plot seed different size divide seedling to form and growth, survival rate, relation of yield.
Test region and contrast distinguish that the seedling seed size is respectively 3cm, 2.7cm, 2.5cm, 2cm, five specifications of 1.5cm are formed, to observe its effect.
4, prolong water boom of rope, sinking raft frame different depth is respectively 2m, 4m, 6m, 8m, 10m, 12m, 14m, form seven kinds of different depth of waters and check plot, to observe its effect.
5, prolonging water boom of rope, the sinking raft frame degree of depth and conventional method scallop forms preventing the harm situation of assorted shellfish, assorted algae.
Prolonging water boom of rope is that length is taked 10-12m, and sinking raft frame and time zone, check plot scallop are formed the effect of the anti-adhesion assorted shellfish of observation in the process, assorted algae harmful animal.
6, employing is prolonged water boom of rope, sinking raft frame method and conventional method seed is carried out foster temporarily relatively its survival rate test in centre.
This test is prolonged fly and is hung that to float be that length adopts 6m, with conventional method the scallop seed is carried out centre foster 7 months temporarily, to observe its effect.
7, scallop is formed to adopt and is prolonged water boom of rope, sinking raft frame method and conventional method to resisting the attack ability test of storm tide.
This test under the same conditions, experimental group is prolonged water boom of rope, the sinking raft frame degree of depth is respectively 2m, 4m, 6m, 8m, 10m, 12m, 14m, forms, to observe the effect resist tropical cyclone and storm in forming process.
(3) test effect
1, prolonging water boom of rope, different with the conventional cultivation method minutes seedling time of sinking raft frame breeding method forms and scallop growth, survival rate, relation of yield such as table one:
Table one:
| Title | Seed is divided the seedling time (date) | Form the cycle (moon) | Seed size (cm) | Random sampling quantity (cage) | During results individual long (cm) | Individual weight during results (g) | Per mu yield during results (kg) | Survival rate (%) |
| Prolong water boom of rope, sinking raft frame breeding method | ?96.4.30 | ?8 | ?2.6 | ????40 | ??6.4 | ????40 | ??6145 | ??80.1 |
| ?96.5.10 | ?8 | ?2.6 | ????40 | ??6.5 | ????40.8 | ??6658 | ??85.6 | |
| ?96.5.20 | ?7.5 | ?2.6 | ????40 | ??6.5 | ????40.3 | ??6964 | ??91.6 | |
| ?96.5.30 | ?7 | ?2.6 | ????40 | ??6.45 | ????39.3 | ??6791 | ??90 | |
| ?96.6.10 | ?7 | ?2.6 | ????40 | ??6.2 | ????36 | ??5539 | ??81.6 | |
| ?96.6.20 | ?6.5 | ?2.6 | ????40 | ??6.0 | ????32.2 | ??4637 | ??75 | |
| Conventional cultivation method (contrast) | ?96.4.30 | ?8 | ?2.6 | ????40 | ??6.0 | ????30.5 | ??3367 | ??58.3 |
| ?96.5.10 | ?8 | ?2.6 | ????40 | ??6.1 | ????31 | ??3652 | ??61.6 | |
| ?96.5.20 | ?7.5 | ?2.6 | ????40 | ??6 | ????29.2 | ??3821 | ??68.3 | |
| ?96.5.30 | ?7 | ?2.6 | ????40 | ??5.9 | ????27.8 | ??3679 | ??68.4 | |
| ?96.6.10 | ?7 | ?2.6 | ????40 | ??5.7 | ????25.7 | ??3012 | ??60 | |
| ?96.6.20 | ?6.5 | ?2.6 | ????40 | ??5.5 | ????24 | ??2523 | ??55 |
From table one, find out, in trial stretch, chlamys farreri divide the Best Times of seedling be from-30 days on the 20th May, April 30 and June 20 bu bacterium effect for the poorest.Prolong water boom of rope, sinking raft frame breeding method than conventional method output raising 41%.
2, under bacterial classification specification, branch seedling time the same terms, prolong breeding density different and growth, survival rate, Relationship with Yield such as table two that water boom of rope, sinking raft frame breeding method and conventional method are cultured:
Table two:
| Title | Seed breeding density (grain/layer) | Seed size (cm) | Form the cycle (moon) | Random sampling (cage) | During results individual long (cm) | Per mu yield during results (kg) | Survival rate (%) |
| Prolong water boom of rope, sinking raft frame breeding method | ??40 | ?2.5 | ?8 | ????15 | ????6.8 | ????4986 | ????87.5 |
| ??50 | ?2.5 | ?8 | ????15 | ????6.6 | ????5726 | ????87.9 | |
| ??60 | ?2.5 | ?8 | ????15 | ????6.5 | ????6897 | ????86.6 | |
| ??70 | ?2.5 | ?8 | ????15 | ????6.3 | ????6598 | ????80.5 | |
| ??80 | ?2.5 | ?8 | ????15 | ????6.2 | ????5495 | ????73.9 | |
| ??90 | ?2.5 | ?8 | ????15 | ????5.7 | ????4203 | ????70 | |
| ??100 | ?2.5 | ?8 | ????15 | ????5.5 | ????2397 | ????65 | |
| Conventional cultivation method (contrast) | ??40 | ?2.5 | ?8 | ????15 | ????6.35 | ????2736 | ????75 |
| ??50 | ??2.5 | ??8 | ????15 | ????6.3 | ????3135 | ????66 | |
| ??60 | ??2.5 | ??8 | ????15 | ????6.1 | ????3780 | ????62.9 | |
| ??70 | ??2.5 | ??8 | ????15 | ????6 | ????3619 | ????58 | |
| ??80 | ??2.5 | ??8 | ????15 | ????5.8 | ????3012 | ????55 | |
| ??90 | ??2.5 | ??8 | ????15 | ????5.4 | ????2306 | ????52 | |
| ??100 | ??2.5 | ??8 | ????15 | ????5 | ????1315 | ????49 |
From table two, find out, in trial stretch, two kinds of breed modes of chlamys farreri, it is big more all to have embodied breeding density, and growth rate is slow more, individual grow more little, output is low more; Density is more little, individual grow big more, and survival rate is high more, adopts and prolongs water boom of rope, sinking raft frame breed form, can improve 38.2-43.8% than conventional cultivation output, and the former has improved 11.2-31.3% than the latter survival rate.So breeding density is advisable with 50-70 grain/layer, be best with 60/layer.
3, scallop is formed to adopt and is prolonged water boom of rope, sinking raft frame breeding method and conventional method when a minute seedling is formed, and the seed size difference is to the influence such as the table three of its growth, survival rate, output:
Table three:
| Title | Seed size (cm) | Seed breeding density (grain/layer) | Form the cycle (moon) | Random sampling (cage) | During results individual long (cm) | Cage output (kg) during results | Survival rate (%) |
| Prolong water boom of rope, sinking raft frame breeding method | ??3 | ??60 | ??8 | ????20 | ????7.0 | ????17.9 | ????91.7 |
| ??2.7 | ??60 | ??8 | ????20 | ????6.6 | ????17.5 | ????90 | |
| ??2.5 | ??60 | ??8 | ????20 | ????6.5 | ????17.2 | ????88.3 | |
| ??2.0 | ??60 | ??8 | ????20 | ????5.7 | ????13.7 | ????82 | |
| ??1.5 | ??60 | ??8 | ????20 | ????5.2 | ????9.9 | ????70 | |
| The conventional cultivation method | ??3 | ??60 | ??8 | ????20 | ????6.5 | ????9.8 | ????79 |
| ??2.7 | ??60 | ??8 | ????20 | ????6.2 | ????9.6 | ????76.6 | |
| ??2.5 | ??60 | ??8 | ????20 | ????6.0 | ????9.4 | ????73.3 | |
| ??2.0 | ??60 | ??8 | ????20 | ????5.1 | ????7.5 | ????58.3 | |
| ??1.5 | ??60 | ??8 | ????20 | ????4.8 | ????5.4 | ????48 |
From table three, find out, in trial stretch, two kinds of breed modes of chlamys farreri, it is more little all to embody seed size, and it is slow more to grow, individual grow more little, survival rate and output are low more; Otherwise seed size is big more, and it is fast more to grow, and survival rate and output are high more; Prolong water boom of rope, sinking raft frame breeding method than conventional cultivation method, survival rate can improve 10.8-20.5%, and output can improve 39.7-41.2%; Seed divides the seedling forming specification to be controlled at more than the 2.5cm to be advisable.
4, prolong the degree of depth difference of water boom of rope, sinking raft frame, conventional method is formed and its growth, survival rate, relation of yield such as table four:
Table four:
| Title | Culture the depth of water (m) | Seed size (cm) | Form the cycle (moon) | Random sampling (cage) | During results individual long (cm) | Per mu yield during results (kg) | Survival rate (%) |
| Prolong water boom of rope, sinking raft frame breeding method | ??2 | ??2.5 | ??8 | ????10 | ????7.1 | ????4421 | ????69 |
| ??4 | ??2.5 | ??8 | ????10 | ????7.3 | ????4572 | ????71 | |
| ??6 | ??2.5 | ??8 | ????10 | ????7.5 | ????5664 | ????77 | |
| ??8 | ??2.5 | ??8 | ????10 | ????7?5 | ????6344 | ????85 | |
| ??10 | ??2.5 | ??8 | ????10 | ????7.6 | ????6880 | ????89.7 | |
| ??12 | ??2.5 | ??8 | ????10 | ????7.52 | ????6852 | ????89.9 | |
| ??14 | ??2.5 | ??8 | ????10 | ????7.4 | ????6312 | ????89.6 | |
| The conventional cultivation method | ??0.2- ??0.3 | ??2.5 | ??8 | ????10 | ????6.8 | ????3760 | ????61 |
Find out from table four, in the trial stretch, prolong the degree of depth of water boom of rope, sinking raft frame and be advisable with 6-14m that the 10-12m growth is best, the production ratio conventional method is cultured and is improved 71.2-83.2.Survival rate improves 44.9-47.3%, and is poor with the growth of the 2-4m degree of depth, but output also improves 17.6-21.6% than conventional method.
5, prolonging water boom of rope, sinking raft frame degree of depth 10-12m and conventional method forms in the process anti-assorted shellfish adhesion effect such as table five at scallop:
Table five:
| Title | Seed size (cm) | Put water depth (m) in a suitable place to breed | Breeding density (grain/layer) | Assorted shellfish adhesion amount (individual/layer) | Divide the seedling time (date) | Form week and support the phase (moon) | Random sampling (cage) | Survival rate (%) | Cage output (kg) during results |
| Low water boom of rope, sinking raft frame breeding method | ??2.5 | ??10 | ????60 | Oyster 5 mussels 7 | ????96.6.8 | ????8 | ????12 | ????88.6 | ??17 |
| ??2.5 | ??12 | ????60 | Oyster 3 mussels 9 | ????96.5.8 | ????8 | ????12 | ????89.2 | ??17.1 | |
| Conventional method | ??2.5 | ??0.2-0.3 | ????60 | Oyster 2560 mussels 1920 | ????96.5.8 | ????8 | ????12 | ????60.0 | ??9.3 |
From table five, find out, in our trial stretch, identical minute seedling time, prolong water boom of rope, the dark oyster of sinking raft frame 10-12m, mussel and all do not have attachment phenomenon substantially, and conventional method is formed and is adhered to a large amount of oysters, mussel on the cylinder mould, the former is the latter's 0.0027%, and survival rate has improved 48%, and the former has improved about 72.3-76.9% by the production ratio conventional method.
6, adopt and to prolong water boom of rope, sinking raft frame 6-8m and conventional method that the scallop bacterial classification is carried out centre is temporary foster, its survival rate is to such as table six:
Table six:
| Title | Specification (cm) when supporting temporarily in the middle of the seed | Put water layer (m) in a suitable place to breed | Support density (grain/layer) in the middle of the seed temporarily | Support the time (date) temporarily in the middle of choosing seedling | The middle temporarily foster cycle (moon) | Random sampling (cage) | Survival rate (%) |
| Prolong water boom of rope, sinking raft frame breeding method | ????0.7 | ??8 | ??600 | ??96.10.2 | ????7 | ????12 | ?95 |
| ????0.7 | ??6 | ??600 | ??96.10.2 | ????7 | ????12 | ?93.6 | |
| Conventional cultivation method (contrast) | ????0.7 | ??0.2- ??0.3 | ??600 | ??96.10.2 | ????7 | ????12 | ?60.1 |
Find out that from table six in trial stretch, under seed size, breeding density the same terms, adopt and prolong water boom of rope, sinking raft frame 6-8m, its survival rate is cultured than conventional method and improved 55.7-58.8%.
7, scallop form adopt prolong water boom of rope, sinking raft frame method than conventional method to resisting the attack ability such as the table seven of tropical cyclone and storm tide:
Table seven:
| Title | Prolong the water boom of rope depth of water (m) | Seed size (cm) | Form the cycle (moon) | Storm tide (big wind scale) | Cage output (kg) during results | Random sampling (cage) | Scallop damaed cordition (%) |
| Prolong water boom of rope sinking raft frame breeding method | ????2 | ????2.5 | ????10 | ??11 | ??11.6 | ????20 | ????16.2 |
| ????4 | ????2.5 | ????10 | ??11 | ??12.4 | ????20 | ????10.5 | |
| ????6 | ????2.5 | ????10 | ??11 | ??14.4 | ????20 | ????5.094 | |
| ????8 | ????2.5 | ????10 | ??11 | ??15.2 | ????20 | ????1.27 | |
| ????10 | ????2.5 | ????10 | ??11 | ??16.8 | ????20 | ????0.032 | |
| ????12 | ????2.5 | ????10 | ??11 | ??16.8 | ????20 | ????0.029 | |
| ????14 | ????2.5 | ????10 | ??11 | ??14.7 | ????20 | ????0.016 | |
| The conventional cultivation method | ????0.2-0.3 | ????2.5 | ????10 | ??11 | ??9.2 | ????20 | ????33.22 |
From table seven, find out, the chlamys farreri mature stage adopts and to prolong water boom of rope, sinking raft frame different depth, conventional method the ability of resisting tropical cyclone and storm tide and percent of loss, the output of scallop are had significant difference, the degree of depth that has occurred prolonging water boom of rope, sinking raft frame in our trial stretch is advisable with 10-12m, percent of loss is about 0.03%, and the percent of loss of the 2-4m degree of depth is 10.5-16.2%; The conventional method percent of loss is 33.5%, and the production ratio 2-4m degree of depth of the 10-12m degree of depth has improved 38.2-45.8%, than the low 33.468-33.47% of conventional method percent of loss; Output has improved 77.5-82.2%.
(4) conclusion
Chlamys farreri occurred and prolong water boom of rope, the sinking raft frame degree of depth (water layer) 6-14m in test and exploitation scope, survival rate is than higher, and the 10-12m survival rate is the highest, and it is best to grow; The 2-4m degree of depth (water layer) growth and survival rate are the poorest, but than conventional method, the high 8-10% of survival rate, output has improved 22-44%, and its reason is to put the degree of depth at 10-12m in a suitable place to breed, and the one, anti-scallop, assorted algae apposition growth, cylinder mould is clean, the mesh good water permeability, many by bait in the cylinder mould in the unit interval, scallop is ingested sufficient, so the scallop growth is fast, the survival rate height; The 2nd, the wind wave resistance safety coefficient is strong, and because cylinder mould is in the water layer environment below the billow wave wave impact power, still can opens the shell drainage in the environment that scallop place one stabilizes when the stormy waves sky and ingest when scallop runs into storm tide, so growth is fast, the survival rate height; The 3rd, ship is strayed in the culture zone and causes damage.And 2-4m water layer and conventional method are cultured because water layer is shallow, easily adhere to a large amount of oysters, mussel, can cause the scallop lethality up to 70-80% after particularly oyster adheres in a large number; Also influenced ingesting of scallop on the other hand, the low and underproduction of survival rate.
Claims (7)
1, a kind of cultural method of chlamys farreri, it comprises the branch seedling time, divide the seedling seed size, every layer of breeding density, the setting of raft frame, raft frame lifting time, on put forward the degree of depth, it is characterized in that the setting of raft frame is to prolong water boom of rope, sinking raft frame 6-14 rice, short wooden stake cable setting on the raft frame is length of peg cable L: depth of water h=2.5-3: 1, raft frame lifting time is to carry on excessively the setting stage of the assorted shellfish in the sea area on annual 20-September 30 September, assorted algae, on carry the raft frame the degree of depth be not less than 6 meters at least.
2, by the described chlamys farreri cultural method of claim 1, it is characterized in that the setting of raft frame be prolong water boom of rope, sinking raft frame 10-12m is best.
3, by the described chlamys farreri cultural method of claim 1, it is characterized in that branch seedling seed size is to be advisable more than the 2.5cm, every layer of breeding density is advisable with 50-70 grain/layer.
4,, it is characterized in that it is best that every layer of breeding density is 60/layer by the described chlamys farreri cultural method of claim 3.
5, realization claim 1,2 described chlamys farreris are cultured special-purpose culture raft frame, it comprises cursory (1), floating well rope (4), floating well rope (4) two ends are that short wooden stake cable (6) is arranged, there is short wooden stake (9) in short wooden stake cable (6) termination system, floating well rope (4) lower end is that scallop cylinder mould (7) is arranged by cylinder mould system (5), it is characterized in that floating well rope (4) upper end is that cursory (1) is arranged by prolonging water boom of rope system (3).
6,, it is characterized in that prolonging water boom of rope system (3) long 6-14 rice by the described special-purpose culture raft frame of claim 5.
7, by the described special-purpose culture raft frame of claim 6, it is best it is characterized in that prolonging water boom of rope system (3) long 10-12 rice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN99112013A CN1260108A (en) | 1999-01-14 | 1999-01-14 | Culturing method for ctenostome pactnid and culture mat frame |
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| CN99112013A CN1260108A (en) | 1999-01-14 | 1999-01-14 | Culturing method for ctenostome pactnid and culture mat frame |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491221B (en) * | 2009-01-22 | 2012-06-20 | 中国水产科学研究院南海水产研究所 | Seashell and algae shallow-sea ecology rearing device and method |
| CN103109731A (en) * | 2012-12-06 | 2013-05-22 | 浙江海洋学院普陀科学技术学院 | Double-tube raft frame |
| CN106359213A (en) * | 2016-12-01 | 2017-02-01 | 烟台市水产研究所 | Scallop parent breeding device for marine ranch and construction method thereof |
| CN108925475A (en) * | 2017-05-27 | 2018-12-04 | 苑春亭 | In the bivalve raft cultivation method of remote bank sea area autumn supply biological feed |
| CN111296272A (en) * | 2020-03-16 | 2020-06-19 | 国家海洋局北海预报中心((国家海洋局青岛海洋预报台)(国家海洋局青岛海洋环境监测中心站)) | Raft frame settlement-based green tide algae control method |
| CN115943914A (en) * | 2022-05-13 | 2023-04-11 | 中国海洋大学 | Method for cultivating young crassostrea gigas |
| CN116724938A (en) * | 2023-07-06 | 2023-09-12 | 长岛县长山海珍品有限责任公司 | Oyster low-density cultivation method capable of avoiding adhesion of mussels |
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1999
- 1999-01-14 CN CN99112013A patent/CN1260108A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101491221B (en) * | 2009-01-22 | 2012-06-20 | 中国水产科学研究院南海水产研究所 | Seashell and algae shallow-sea ecology rearing device and method |
| CN103109731A (en) * | 2012-12-06 | 2013-05-22 | 浙江海洋学院普陀科学技术学院 | Double-tube raft frame |
| CN106359213A (en) * | 2016-12-01 | 2017-02-01 | 烟台市水产研究所 | Scallop parent breeding device for marine ranch and construction method thereof |
| CN108925475A (en) * | 2017-05-27 | 2018-12-04 | 苑春亭 | In the bivalve raft cultivation method of remote bank sea area autumn supply biological feed |
| CN108925475B (en) * | 2017-05-27 | 2020-11-06 | 苑春亭 | Raft type shellfish culture method for supplying biological bait in autumn of offshore area |
| CN111296272A (en) * | 2020-03-16 | 2020-06-19 | 国家海洋局北海预报中心((国家海洋局青岛海洋预报台)(国家海洋局青岛海洋环境监测中心站)) | Raft frame settlement-based green tide algae control method |
| CN115943914A (en) * | 2022-05-13 | 2023-04-11 | 中国海洋大学 | Method for cultivating young crassostrea gigas |
| CN116724938A (en) * | 2023-07-06 | 2023-09-12 | 长岛县长山海珍品有限责任公司 | Oyster low-density cultivation method capable of avoiding adhesion of mussels |
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