CN102405870B - Contemporary multipoint composite breeding method for bay scallop - Google Patents
Contemporary multipoint composite breeding method for bay scallop Download PDFInfo
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- CN102405870B CN102405870B CN2011104149420A CN201110414942A CN102405870B CN 102405870 B CN102405870 B CN 102405870B CN 2011104149420 A CN2011104149420 A CN 2011104149420A CN 201110414942 A CN201110414942 A CN 201110414942A CN 102405870 B CN102405870 B CN 102405870B
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Abstract
The invention relates to a method for selectively breeding bay scallop, in particular to a contemporary multipoint composite breeding method for the bay scallop. Continuous shell length head-removed selection is carried out on scallops in different growth periods in the same generation of the bay scallop, the scallop with growth advantage is selected, and further contemporary multipoint composite breeding is realized. The invention provides a scientific and effective bay scallop fast and efficient breeding method, scale of basic population used for breeding is expanded, reduction of genetic drift and genetic diversity caused by the fact that scale of a breeding group is small in a bay scallop breeding plan is avoided; meanwhile, a multi-time point continuous breeding method is used for improving breeding strength, breeding speed can be improved, and bay scallop breeding efficiency is improved.
Description
Technical field
The present invention relates to bay scallop and select the method for breeding, a kind of compound selection of same generation multiple spot of bay scallop specifically.
Background technology
Bay scallop belongs to lamellibranchiata, Anisomyaria, and Pectenidae, scallop belong to, and originate in the U.S., Atlantic bank, for type bivalve economic shellfish is caught in a kind of important the adopting of locality.It is fan-shaped that shell is, and two shells are almost equal, and the shell face is pitchy or brown.The bay scallop majority is distributed in 3-10 rice under the sea, and personality is more bold and resolute, and temperature resistant range-1-31 ℃, stop growing below 5 ℃, 10 ℃ of following poor growths, 18-28 ℃ of growth is very fast.Its salt tolerant scope is 16 ‰-43 ‰, suitable salt scope 21 ‰-35 ‰.Bay scallop is filter feeder, and the size of food is had selective power, but to kind without selective power, Major Foods is organic debris, is suspended in minitype particle and plankton in seawater, as diatoms, two Flagellatae, copepoda etc.Through 8 months, average shell high energy reached more than 5-6 centimetre, and maximum individuality reaches 7 centimetres of left and right, and biological minimum is 2.2 centimetres.Bay scallop is hermaphroditism, the seed of cultivating spring, cultivation to autumn (shell is up to 5 centimetres of left and right) sexual gland just ripe.Sexual gland is confined to belly, and spermary is positioned at the belly outer peripheral edges, is milky when ripe; Ovary is positioned at the spermary inboard, maroon when ripe, and surface, sexual gland position tool one deck black film usually, gradually in maturation, black film fades away at sexual gland, and spermary and ovary are just clearly clearly demarcated.
Bay scallop is after introducing China, because bay scallop is grown seedlings and is formed the success of technology and promote widely and makes one of its pillar industry that becomes soon northern China sea area cultivation, in Liaoning, Shandong two provinces have formed two main culture zones of bay scallop and developed into the provinces such as Zhejiang, Tianjin, Hebei and Fujian.The cultured output of nineteen ninety has reached 200,000 tons, reaches especially in recent years more than 100 ten thousand tons, for huge contribution has been made in the China coast expanding economy.Yet along with the continuous expansion of cultivation scale, the seed quality keeps falling, and has had a strong impact on the development of whole bay scallop industry.The heredity of bight scallop selects breeding work most important to the development of bay scallop industry.
The at present selection breeding of bay scallop is mainly that family is selected and based on the individual choice of adult shellfish, family select be with whole family as a selection unit, the selection of carrying out as standard take the mean value of the selected proterties of each family.Individual choice sometimes also is referred to as to mix and selects, take individual phenotypic value as selecting according to the one-tenth shellfish is selected.Although these two kinds of methods should be readily appreciated that, use generally, the problem of facing is the basic population small scale that seed selection is faced, and seed selection intensity is little, and the seed selection cost is high, and Breeding Efficiency is low, and the breeding population genetic diversity easily descends the degradation problem.Along with the high speed development of China's bay scallop industry, above-mentioned selection more and more can not satisfy industry to the requirement of genetic breeding work, for this reason, improves traditional genetic and breeding method, improves and selects the efficient of breeding imperative.Up to the present yet there are no to bay scallop in generation a plurality of time points carry out continuously the report of selection.
Summary of the invention
The object of the invention is that a kind of bivalve shellfish such as bay scallop that is applicable to is efficiently with for the compound selection of multiple spot.
For achieving the above object, the technical solution used in the present invention is:
A kind of compound selection of same generation multiple spot of bay scallop carries out the scallop in the variant vegetative period of bay scallop in generation to select in continuous shell long butt, and then realizes the compound seed selection of continuous multiple spot within a generation.In the generation of described bay scallop, be larval phase, juvenile mollusk phase, one-tenth shellfish phase and close shellfish phase variant vegetative period.
The bay scallop seedling of larval phase is cultured in nursery pond throws in adherance when eyespot appears in 1/3 seedling, account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, cultivate to hang when water temperature is down to the nature seawater temperature and marinely support temporarily; During the phase, adherance is changed over to juvenile mollusk until mariculture when mesh bag continues intermediate rearing to the long-living 4-9mm of growing to of shell and take off the scallop seedling from adherance, when supporting temporarily to 10-15mm in butt after choosing at sea, juvenile mollusk is changed over to and support temporarily that to carry out sea in cage foster temporarily, treat the long-living 25-35mm of growing to of shell, change over to after choosing in butt and support temporarily that to carry out sea in cage foster temporarily, be cultured to shell and be about the scallop colony of 50-70mm as the screening colony of close shellfish.The screening colony of described close shellfish will screen colony and carry out selecting in the shell long butt, selected close shellfish be entered the intensification accelerating carry out seed selection.
the selection of larval phase is taken out independent isolate forster and is realized will adhere in advance individual adherance: with the floating larvae phase seedling in the water temperature of nursery pond at 22-24 ℃, under strangling illumination, cultivates 500-800, larva is thrown something and fed early stage take chrysophyceae as main, the larva culture density is 6-10/milliliter, later stage is take flat algae and chrysophyceae mixed feed as main (ratio of throwing something and feeding as volume ratio 1: 1), larval density is 5-7/milliliter, be cultured in nursery pond and throw in adherance when eyespot appears in 1/3 seedling, when growing secondary shell development by metamorphosis along with larva, bait changes mixed feed take diatom and flat algae (ratio of throwing something and feeding as volume ratio 1: 1), account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, with the bay scallop seedling of the selected independent isolation water temperature at 22-24 ℃, strangle at 500-800 and continue under illumination to cultivate, larva is thrown something and fed and continues mixed feed take diatom and flat algae as main, be cultured to the processing of lowering the temperature after the long 350 μ m-400 μ m of shell, hang marine foster temporarily during to the nature seawater temperature.Described deutovum changes water twice every day, changes larval rearing water 1/2 at every turn, changes that the temperature difference can not surpass twice before and after water.
Described mariculture to the seed selection of juvenile mollusk phase is:
1) at sea cultivate when growing to 1-2mm to juvenile mollusk, change adherance over to 40 purpose polyethylene mesh bags and continue the sea with 9-13 ℃ of nature seawater temperature, salinity 28 ‰-32 ‰ intermediate rearing;
2) the scallop seedling is taken off from adherance during to the long-living 4-9mm of growing to of shell until marine intermediate rearing, and the distribute mesh screen of selecting appropriate size long according to scallop juvenile mollusk shell carries out selecting in 10% shell long butt, change selected scallop over to 30 purpose polyethylene mesh bags and at sea support temporarily in continuation, supporting temporarily density is 2000-2500/bag.After 15-20 days, seedling thinning and changing over to is carried out the sea and is supported temporarily in 18 purpose mesh bags, and supporting temporarily density is 200-300/bag;
3) juvenile mollusk is changed over to scallop when the long-living 10-15mm of growing to of juvenile mollusk shell and supports temporarily and carry out sea in cage and support temporarily, support temporarily density and be 100-150 individual/the cage layer.
Described mariculture to the seed selection that becomes the shellfish phase is: as the long-living 25-35mm of growing to of shell, and distribute long according to scallop shell selected the mesh screen of appropriate size, carry out selecting in 10% shell long butt, selected scallop seed is changed over to form cage and carry out the sea and form cultivation, cultivation density is 30-40/cage layer.The seed selection of described close shellfish phase is: will reach 50-70mm at scallop shell harvest time in the colony of the continuous seed selection of different times, carry out to forming individuality that shell is long to be measured with slide measure, and to next production year close shellfish used carry out selecting in 10% shell long butt.
The present invention has advantages of:
The present invention has enlarged the scale of carrying out the basic population of seed selection, avoid the genetic drift that causes due to the breeding population small scale in the works in the bay scallop seed selection and the decline of genetic diversity, simultaneously again to improve the intensity to 0.01% of seed selection at the continuous selection of a plurality of time point in vegetative period, can accelerate the speed of seed selection, improve the efficient of bay scallop seed selection.
Embodiment
the present invention (is laid eggs about 10 days at the period of metamorphosis of the larva of bay scallop in generation, shell is about 150 μ-190 μ), when being approximately 30%-40%, the ratio that goes out eyespot drops into adherance, the biological property that adheres in advance according to the larva seedlings, grasping mode that amount that larva adheres to cultivates separately with picking adherance in advance carries out selecting in 10% butt, at (three monthly ages juvenile mollusk phase, the long 4-9mm of shell), become (age in May shellfish phase, the long 25-35mm of shell) and close shellfish phase (after age in July, 50-70mm) choosing particular bore purpose mesh screen according to scallop shell length carries out respectively selecting in 10% shell long butt, and then the compound selection of selection pressure 0.01% is accumulated in realization.
Embodiment 1
The temperature of fry nursing pool of cultivating floating larvae after bay scallop laying eggs is controlled at 22-24 degree centigrade, and the ammonia attitude is no more than 200 milligrams/cubic metre, and illumination is strangled following 500, continuous or interruption is inflated, dissolved oxygen amount is not less than 5 mg/litre, and pH value 7.9-8.2, COD be not higher than 2 mg/litre.Larva is thrown something and fed early stage take chrysophyceae as main, is no more than 10/milliliter when culture density begins, and later stage veliger density is 5-7/milliliter.later stage was generally volume ratio 1: 1 take flat algae and chrysophyceae mixed feed as main mixed proportion, be cultured in nursery pond and throw in adherance when eyespot appears in 1/3 seedling, when growing secondary shell development by metamorphosis along with larva, bait changes mixed feed take diatom and flat algae (ratio of throwing something and feeding as volume ratio 1: 1), account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, with the bay scallop seedling of the selected independent isolation water temperature at 22-24 ℃, strangle at 500-800 and continue under illumination to cultivate, larva is thrown something and fed and continues mixed feed take diatom and flat algae as main, be cultured to the processing of lowering the temperature after the long 350 μ m-400 μ m of shell, hang marine foster temporarily during to the nature seawater temperature.Deutovum changes water twice every day, changes larval rearing water 1/2 at every turn, changes that the temperature difference can not surpass twice before and after water.
Until at sea cultivating when growing to 1-2mm to juvenile mollusk, with adherance change over to 40 purpose polyethylene mesh bags continue marine with 9-13 ℃ of nature seawater temperature, salinity 28 ‰-32 ‰ intermediate rearing;
The scallop seedling is taken off from adherance during to the long-living 4-9mm of growing to of shell until marine intermediate rearing, and the distribute mesh screen of selecting appropriate size long according to scallop juvenile mollusk shell carries out selecting in 10% shell long butt, change selected scallop over to 30 purpose polyethylene mesh bags and at sea support temporarily in continuation, supporting temporarily density is 2000-2500/bag.After 15-20 days, seedling thinning and changing over to is carried out the sea and is supported temporarily in 18 purpose mesh bags, and supporting temporarily density is 200-300/bag;
Juvenile mollusk is changed over to scallop when the long-living 10-15mm of growing to of juvenile mollusk shell and support temporarily that to carry out sea in cage foster temporarily, supporting temporarily density is 100-150/cage layer, grow to 25-35mm when shell is long-living, and distribute long according to scallop shell selected the mesh screen of appropriate size, carry out selecting in 10% shell long butt, selected scallop seed is changed over to form cage and carry out the sea and form cultivation, cultivation density is 30-40/cage layer.The seed selection of described close shellfish phase is: will reach 50-70mm at scallop shell harvest time in the colony of the continuous seed selection of different times, carry out to forming individuality that shell is long to be measured with slide measure, and to next production year close shellfish used carry out selecting in 10% shell long butt.
Embodiment 2
The temperature of fry nursing pool of cultivating floating larvae after bay scallop laying eggs is controlled at 22-24 degree centigrade, and the ammonia attitude is no more than 200 milligrams/cubic metre, and illumination is strangled following 500, continuous or interruption is inflated, dissolved oxygen amount is not less than 5 mg/litre, and pH value 7.9-8.2, COD be not higher than 2 mg/litre.Be no more than 10/milliliter when culture density begins, later stage veliger density is 5-7/milliliter.Larva is thrown something and fed early stage take chrysophyceae as main, and the later stage, mixed proportion was generally volume ratio 1: 1 take flat algae and chrysophyceae mixed feed as main.The stomach that increases in right amount diatom and examine under a microscope larva every day to period of metamorphosis decides the number of times of bait feeding and amount (to be specially and generally to throw something and feed every day four times, day feeding volume is 10,000 cell/ml, observe bait quantity in the larva stomach, if the sufficient color pitchy of quantity need not to adjust, if cultivate bait, of light color in the limpid and larva stomach of water body, considering increases bait feeding amount or number of times, otherwise if in stomach, bait abundance and more muddy the considering of water body color are reduced bait feeding amount or number of times).Deutovum changes water twice every day, changes water 1/2 at every turn, guarantees entirely to change water once every day, before and after changing water, the temperature difference can not surpass twice, to increase after throwing in adherance and entirely change water twice quantity of exchanged water to every day, when changing water action light and slow, avoid stirring the contiguous base net sheet that adheres to as far as possible.When growing secondary shell development by metamorphosis along with larva, bait changes mixed feed take diatom and flat algae (ratio of throwing something and feeding as volume ratio 1: 1), account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, with the bay scallop seedling of the selected independent isolation water temperature at 22-24 ℃, strangle at 500-800 and continue under illumination to cultivate, larva is thrown something and fed and continues mixed feed take diatom and flat algae as main, be cultured to processings of lowering the temperature after the long 350 μ m-400 μ m of shell, hang marine foster temporarily during to the nature seawater temperature.
The bay scallop seedling of larval phase is cultured in nursery pond throws in adherance when eyespot appears in 1/3 seedling, it is 150 μ m-190 μ m that shell reaches, adherance is the polythene net sheet, each net sheet has 2000 anastomoses, will disinfect with antibiotic through 1% concentrated hydrochloric acid before input and soak, antibiotic consumption is generally 5 ppm.The put-on method of adherance by net sheet self buoyancy, makes it overhang Chi Shuizhong for the end at the polythene net sheet is a dropstone, and dried up face is no less than 20cm.The mouth of a river of changing of nursery pond should be put evenly and be avoided as far as possible to the net sheet in nursery pond, the injected volume of adherance is that 1 side's water body is on average thrown in 50 polythene net sheets.
From the first day of throwing adherance, by microscope to not adhering to larva situation tracing observation in the larva adhesion condition on the net sheet and water, for guaranteeing quantitative accuracy, 20m during sampling
3Nursery pond get at least 5 points as repetition.From throwing the 3rd day to the 4th day of adherance, (computational methods of concrete adhesive rate are: (unit adherance knot on adhere to larva amount * all adherances knot)/(unit of water body floating larvae amount * cultivation water body volume)), account for and when total larva quantity reaches 10%, adherance is taken out independent isolate forster wait adhering to individuality to calculate the adhesive rate of this time period according to the seedling amount on adherance of being attached to.The bay scallop seedling selected continue indoor be cultured to 350 μ m-400 μ m after, with net sheet 60 orders of packing into, long 60cm, the polyethylene mesh bag of wide 40cm.To seedling processings of lowering the temperature of pack, the 2 degrees centigrade of left and right that lower the temperature every day are until that temperature is hung when being down to the nature seawater temperature is marine foster temporarily.
At sea cultivate when growing to the 1mm left and right to juvenile mollusk, change adherance over to 40 orders, long 60cm, the polyethylene mesh bag of wide 40cm continues marine intermediate rearing, cultivates 9-13 ℃ of nature seawater temperature, and salinity 28 ‰-32 ‰ need not manual intervention.when cultivating to the long-living 4-9mm of growing to of shell between the kind of sea, the scallop seedling is brushed down from adherance, and the distribute mesh screen of selecting suitable order number long according to scallop juvenile mollusk shell controlled and carried out approximately choosing in 10% shell long butt (in 10% shell long butt, choosing namely selects shell long by maximum 10%, because the shell length of scallop is followed normal distribution statistically, represent that with the x axle shell is long, and the y axle represents the words of the long proportion of this shell, the shell length of each different sizes is the inverted U-shaped almost symmetrical of an opening on the xy number axis, and the long distal-most end that is distributed in the x axle of shell, on select 10% namely choose 10% the best individuality that accounts for all individualities from shell long maximum zone), then change long 40cm over to, wide 30cm, 30 purpose polyethylene mesh bag relayings are continuous at sea supports temporarily, supporting temporarily density is 2000-2500/bag, approximately seedling thinning and change long 40cm over to after two weeks, wide 30cm, carrying out the sea in 18 purpose polyethylene mesh bags supports temporarily, supporting temporarily density is 200-300/bag.
Juvenile mollusk is changed over to scallop when the long-living 10-15mm of growing to of juvenile mollusk shell and supports temporarily and carry out sea in cage and support temporarily, support temporarily density and be 100-150 individual/the cage layer.Grow to 25-35mm when shell is long-living, the distribute mesh screen of selecting suitable order number long according to scallop juvenile mollusk shell controlled and carried out approximately 10% upper choosing, and change the scallop seed over to and form cage and carry out mariculture this moment, and cultivation density is 30-40/cage layer.After scallop was formed, shell was about the scallop colony of 50-70mm as the screening colony of parent shellfish in the coming year.Distribute according to the scallop shell long data scallop colony that gives over to close shellfish is carried out 10% upper choosing, selected close shellfish is entered the workshop prepare the seed selection plan (referring to table 1) that the intensification accelerating is used for next year.
Table 1: embodiment 1-4 is that different sea areas are through same each production target situation of bay scallop for the compound selection-breeding method seed selection of multiple spot
The embodiment of institute of the present invention is that the mariculture area in jungle aquatic products shellfish culture field, Jiaonan City carries out.
Claims (7)
1. the compound selection of same generation multiple spot of a bay scallop is characterized in that: the scallop in the variant vegetative period of bay scallop in generation is carried out selecting in continuous shell long butt, and then realize the compound seed selection of continuous multiple spot within a generation;
In the generation of described bay scallop, be larval phase, juvenile mollusk phase, one-tenth shellfish phase and close shellfish phase variant vegetative period;
The bay scallop seedling of larval phase is cultured in nursery pond throws in adherance when eyespot appears in 1/3 seedling, account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, cultivate to hang when water temperature is down to the nature seawater temperature and marinely support temporarily; During the phase, adherance is changed over to juvenile mollusk until mariculture when mesh bag continues intermediate rearing to the long-living 4-9mm of growing to of shell and take off the scallop seedling from adherance, when supporting temporarily to 10-15mm in butt after choosing at sea, juvenile mollusk is changed over to and support temporarily that to carry out sea in cage foster temporarily, treat the long-living 25-35mm of growing to of shell, change over to after choosing in butt and support temporarily that to carry out sea in cage foster temporarily, be cultured to shell and be about the scallop colony of 50-70mm as the screening colony of close shellfish.
2. by the compound selection of same generation multiple spot of bay scallop claimed in claim 1, it is characterized in that: the screening colony of described close shellfish, will screen colony and carry out selecting in the shell long butt, selected close shellfish is entered the intensification accelerating carry out seed selection.
3. press the compound selection of same generation multiple spot of bay scallop claimed in claim 1, it is characterized in that: with the floating larvae phase seedling in the water temperature of nursery pond at 22-24 ℃, strangle under illumination 500-800 and cultivate, larva is thrown something and fed early stage take chrysophyceae as main, the larva culture density is 6-10/milliliters, later stage is take flat algae and chrysophyceae mixed feed as main, larval density is 5-7/milliliter, be cultured in nursery pond and throw in adherance when eyespot appears in 1/3 seedling, when growing secondary shell development by metamorphosis along with larva, bait changes the mixed feed with diatom and flat algae, account for total larva quantity and adherance is taken out independent isolate forster 10% the time wait adhering to individuality, with the bay scallop seedling of the selected independent isolation water temperature at 22-24 ℃, strangle 500-800 and continue under illumination to cultivate, larva is thrown something and fed and continues mixed feed take diatom and flat algae as main, be cultured to the processing of lowering the temperature after the long 350 μ m-400 μ m of shell, hang marine foster temporarily during to the nature seawater temperature.
4. by the compound selection of same generation multiple spot of bay scallop claimed in claim 3, it is characterized in that: described deutovum changes water twice every day, changes larval rearing water 1/2 at every turn, change water before and after the temperature difference can not surpass twice.
5. by the compound selection of same generation multiple spot of bay scallop claimed in claim 1, it is characterized in that: described mariculture to the seed selection of juvenile mollusk phase is:
1) at sea cultivate when growing to 1-2mm to juvenile mollusk, change adherance over to 40 purpose polyethylene mesh bags and continue the sea with 9-13 ℃ of nature seawater temperature, salinity 28 ‰-32 ‰ intermediate rearing;
2) the scallop seedling is taken off from adherance during to the long-living 4-9mm of growing to of shell until marine intermediate rearing, and the distribute mesh screen of selecting appropriate size long according to scallop juvenile mollusk shell carries out selecting in 10% shell long butt, change selected scallop over to 30 purpose polyethylene mesh bags and at sea support temporarily in continuation, supporting temporarily density is 2000-2500/bag.After 15-20 days, seedling thinning and changing over to is carried out the sea and is supported temporarily in 18 purpose mesh bags, supports temporarily density and is 200-300/bags;
3) juvenile mollusk is changed over to scallop when the long-living 10-15mm of growing to of juvenile mollusk shell and support temporarily and carry out sea in cage and support temporarily, foster density is 100-150/cage layer temporarily.
6. press the compound selection of same generation multiple spot of bay scallop claimed in claim 1, it is characterized in that: described mariculture to the seed selection that becomes the shellfish phase is: as the long-living 25-35mm of growing to of shell, and distribute long according to scallop shell selected the mesh screen of appropriate size, carry out selecting in 10% shell long butt, selected scallop seed is changed over to form cage and carry out the sea and form cultivation, cultivation density is 30-40/cage layer.
7. press the compound selection of same generation multiple spot of bay scallop claimed in claim 1, it is characterized in that: the seed selection of described close shellfish phase is: will be in the colony of the continuous seed selection of different times, reach 50-70mm at scallop shell harvest time, carry out to forming individuality that shell is long to be measured with slide measure, and to next production year close shellfish used carry out selecting in 10% shell long butt.
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| CN102630612A (en) * | 2012-04-20 | 2012-08-15 | 大连海洋大学 | Cultivation method of Patinopecten yessoensis Jay with red-white flower pattern |
| CN105165675B (en) * | 2015-08-21 | 2016-05-18 | 中国海洋大学 | One utilizes heartbeat to refer to calibration method as the seed selection of Bay Scallop Parent shellfish |
| CN105248328A (en) * | 2015-10-29 | 2016-01-20 | 苏州市美人半岛齐力生态农产品专业合作社 | Method for artificially breeding chlamys nobilis |
| CN105325340A (en) * | 2015-10-29 | 2016-02-17 | 苏州市美人半岛齐力生态农产品专业合作社 | Method for artificially cultivating argopecten irradias |
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| CN101288388B (en) * | 2008-06-11 | 2011-05-04 | 大连水产学院 | Choosing method suitable for seashell rapid growing |
| CN101855999B (en) * | 2009-04-10 | 2011-09-21 | 中国科学院海洋研究所 | Method for selectively breeding bivalve shellfish |
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| CN101288388B (en) * | 2008-06-11 | 2011-05-04 | 大连水产学院 | Choosing method suitable for seashell rapid growing |
| CN101855999B (en) * | 2009-04-10 | 2011-09-21 | 中国科学院海洋研究所 | Method for selectively breeding bivalve shellfish |
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