CN104247685B - A kind of method of different size Achatina fulica(Ferussae) spiral shell young, young screening sorting - Google Patents
A kind of method of different size Achatina fulica(Ferussae) spiral shell young, young screening sorting Download PDFInfo
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- CN104247685B CN104247685B CN201410406598.4A CN201410406598A CN104247685B CN 104247685 B CN104247685 B CN 104247685B CN 201410406598 A CN201410406598 A CN 201410406598A CN 104247685 B CN104247685 B CN 104247685B
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- spiral shell
- ferussae
- different size
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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 method that the invention discloses the screening sorting of a kind of different size Achatina fulica(Ferussae) spiral shell young, young, it comprises the steps: 1) select the suitable screen cloth of mesh according to spiral shell specification；2) preparing to accommodate the container of screen basket, sea water is contained in the inside；3) add potassium permanganate or the povidone iodine of 1 10mg/L of 20 80mg/L in the seawater, be sufficiently stirred for, dissolve；4), after collecting without the husky spiral shell young, young cultivated, screen basket is put into；The spiral shell young, young having bed-sit to cultivate shovels in screen frame together with sand；Stand 30s 10 minutes；5) screen cloth sieves sorting.The inventive method can avoid spiral shell to sustain damage in screening process；The youngest children's spiral shell is carried out dipping sterilization.
Description
Technical field
The present invention relates to aquaculture field, be specifically related to a kind of different size Achatina fulica(Ferussae) spiral shell young, young screening point
The method of choosing.
Background technology
After Achatina fulica(Ferussae) artificial breeding is become young spiral shell by the veliger metamorphosis of floating state, feeding habits and habitation
All occurring essence to change, feeding habits are become the carnivorous of ichthyophagy meat etc. by the planting property of food eating single-cell algae, and practise
Property also transferred to the end by floating state and dwell life, young spiral shell cultivating technique can be divided into has bed-sit with without bed-sit two ways,
Young spiral shell can be cultivated to shell height about 10mm without husky type of rearing, and children's spiral shell must be cultivated by the mode having bed-sit.
Achatina fulica(Ferussae) all has a feature to be exactly that specification is uneven, therefore at cultivating process at young spiral shell or children's spiral shell phase
In be necessary for screening sorting every about 10d, and divide pond to cultivate according to different size.
Young spiral shell kiss pipe and radula sac are gradually grown, and become Feeding organ, along with the growth of young spiral shell, feeler and water
Managing elongated, water pipe stretches out from faucal anterior canal, and the edge of the water pipe mouth of pipe has tiny cilium, touches about young spiral shell
Angle is isometric, has a sharp sense of smell, and has the young spiral shell of husky cultivation, and latent the burying of major part is perched in sand, and small part is climbed at pool wall,
Bait is creeped after putting into immediately, and kiss pipe stretches out and seeks and visits everywhere, seeks food direction and crawls；Cultivate without bed-sit
Young spiral shell abdominal foot greatly, towards sky, lies low at the bottom of pond, and basic inertia during not bait throwing in, small part is climbed in pond
Wall, seeks food direction and crawls after bait throwing in.
In the prior art, without husky type of rearing spiral shell screening technique young, young be young children's spiral shell is collected after, according to
The screen frame that spiral shell specification selects mesh to be suitable for sorts in the bucket filling sea water, and has the type of rearing of bed-sit to sieve
Choosing method is to shovel in screen frame together with sand to sort in the bucket filling sea water, due to the young children's spiral shell feeler collected,
Water pipe and abdominal foot are not fully retracted in shell, on cilium that feeler, water pipe mouth of pipe edge are tiny and abdominal foot
Operculum screening time can rub mutually, feeler, water pipe and abdominal foot etc. also can be damaged by the grains of sand etc., cause young,
Children's spiral shell Seedling produces emergency reaction, and secretions increases severely, and consumes a large amount of physical ability, and cause spiral shell young, young injured and
Infection pathogen, thus often appearance has just been removed the spiral shell young, young in pond and is not ingested even morbidity until dead.
Summary of the invention
The method that the invention provides the screening sorting of a kind of different size Achatina fulica(Ferussae) spiral shell young, young, which overcomes the back of the body
The deficiency existing for method of Achatina fulica(Ferussae) spiral shell different size young, young screening sorting in scape technology.
The present invention solves being the technical scheme is that of its technical problem
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young screening sorting, it comprises the steps:
1) the suitable screen cloth of mesh is selected according to spiral shell specification；
2) preparing to accommodate the container of screen basket, sea water is contained in the inside；
3) add the potassium permanganate of 20-80mg/L or the povidone iodine of 1-10mg/L in the seawater, fully stir
Mix, dissolve；
4), after collecting without the husky spiral shell young, young cultivated, screen basket is put into；The spiral shell young, young having husky cultivation will be together with
Sand shovels in screen frame；Stand 30s-10 minute；
5) screen cloth sieves sorting.
Wherein, the container of the present invention can be the various container such as bucket, basin, and the dimensions of container can be according to sieve
Net basket need select, can be such as circular, square or other shape.
Wherein, potassium permanganate or povidone iodine concentration can not be the highest, can not be too low.If too high, the most right
Spirodromy young, young reason has a negative impact；If too low, then stimulating too small to spiral shell young, young, part spiral shell Seedling does not has
It is fully retracted in shell.The preferred concentration of potassium permanganate is 40-60mg/L, and particularly preferred concentration is 50mg/L；
The preferred concentration of povidone iodine is 1-5mg/L, and particularly preferred concentration is 3mg/L.
Wherein, step 4) time of repose can not be oversize, and can not be the shortest.If oversize, then potassium permanganate or
The physiology of spiral shell young, young is adversely affected by povidone iodine, if too low, it is difficult to would ensure that spiral shell foot can be complete
In indentation shell, time of repose is preferably 30s-5 minute, and more preferably 1-5 minute, most preferably 1-2 divided
Clock.
The technical program is compared with background technology, and it has the advantage that
1, after adding the potassium permanganate of 20-80mg/L or the povidone iodine of 1-10mg/L in the seawater, young,
Children's spiral shell enters this sea water, abdominal foot can be in rapid indentation shell, it is to avoid come to harm in screening process；
2, the present invention adds potassium permanganate or povidone iodine at sea water, and spiral shell Seedling is carried out dipping sterilization, Jing Guosheng
Produce it was verified that this method is the most effective and feasible.
Detailed description of the invention
Embodiment 1
Spiral shell growth of cereal crop seedlings condition to be screened: for without husky type of rearing children's spiral shell, 3mm-7mm；
Selecting the suitable screen cloth of mesh according to spiral shell Seedling specification, wherein, plastic wire, mesh is rhombus, diagonal
A length of 3mm and 5mm；
Preparation can accommodate the pail for containing living fish, etc. of the 160L of screen basket, and sea water is contained in the inside；
Add the potassium permanganate of 50mg/L in the seawater, be sufficiently stirred for, dissolve；
After children's spiral shell is collected, put into screen basket；Stand 1 minute；
Screen cloth sieves sorting.
As a result, children's spiral shell, after contact sea water, is fully retracted in 30s in shell, is not affected by injury in screening process.
Embodiment 2
Young spiral shell situation to be screened: for having husky type of rearing children's spiral shell, 6mm-10mm)；
Selecting the suitable screen cloth of mesh according to children's spiral shell specification, wherein, plastic wire, mesh is rhombus, diagonal
A length of 5mm and 8mm；
Preparation can accommodate the pail for containing living fish, etc. of the 160L of screen basket, and sea water is contained in the inside；
Add the potassium permanganate of 70mg/L in the seawater, be sufficiently stirred for, dissolve；
Sand is shoveled in screen frame together with children's spiral shell；Stand 2 minutes；
Screening Seedling crossed by screen cloth.
As a result, children's spiral shell, after contact sea water, is fully retracted in shell in 30s.Screening process is not affected by injury.
Embodiment 3
Wait to sieve young spiral shell situation: without the husky young spiral shell of type of rearing, 3mm-7mm)；
Selecting the suitable screen cloth of mesh according to young spiral shell specification, wherein, plastic wire, mesh is rhombus, diagonal
A length of 3mm and 5mm；
Preparation can accommodate the pail for containing living fish, etc. of the 160L of screen basket, and sea water is contained in the inside；
Add the povidone iodine of 3mg/L in the seawater, be sufficiently stirred for, dissolve；
After young spiral shell is collected, put into screen basket；Stand 2 minutes；
Screen cloth sieves sorting.
As a result, spiral shell Seedling, after contact sea water, is fully retracted in shell in 30s.It is not affected by injury during sieve Seedling.
Embodiment 4
Wait to sieve children's spiral shell growth of cereal crop seedlings condition: for there being husky type of rearing young spiral shell 7mm-11mm；
Selecting the suitable screen cloth of mesh according to young spiral shell specification, wherein, plastic wire, mesh is rhombus, diagonal
A length of 5mm and 8mm；
Preparation can accommodate the pail for containing living fish, etc. of the 160L of screen basket, and sea water is contained in the inside；
Add the povidone iodine of 5mg/L in the seawater, be sufficiently stirred for, dissolve；
Sand even children's spiral shell is shoveled in screen frame；Stand 1.5 minutes；
Screen cloth sieves sorting.
As a result, children's spiral shell Seedling, after contact sea water, is fully retracted in 30s in shell, is not affected by wound in screening process
Evil.
Comparative example
2003-2007 has husky cultivation spiral shell young, young, all can have difference after screening spiral shell 80% batch young, young sieve Seedling
Degree is infected, and infection rate is more than 50%, wherein has the batch of 40% by severe infections, serious death
Rate is up to 60-70%.Use the nothing young spiral shell of husky cultivation after 2011 and have husky cultivation children's spiral shell, 2011 and 2012
Spiral shell 60% batch that the young spiral shell screening that year part batch is cultivated without sand sorts is infected, infection rate about 45%,
Wherein having the batch of 40% by severe infections, serious mortality rate, up to about 50%, has the young spiral shell of husky cultivation
It is infected in various degree after 70% batch sieve Seedling, infection rate 45%, wherein has the batch of 40% by more serious
Infecting, serious mortality rate is up to about 50%.
Within 2012, test this screening method for separating, part batches in 2012 and use this screening to sort in 2013
After method (embodiment 1-4), do not occur after sieve Seedling infecting the phenomena of mortality.
The above, only present pre-ferred embodiments, therefore the model that the present invention implements can not be limited according to this
Enclose, the equivalence change i.e. made according to the scope of the claims of the present invention and description and modification, all should still belong to this
Bright contain in the range of.
Claims (8)
1. a method for different size Achatina fulica(Ferussae) spiral shell young, young screening sorting, it comprises the steps:
1) the suitable screen cloth of mesh is selected according to spiral shell specification；
2) preparing to accommodate the container of screen basket, sea water is contained in the inside；
3) add the potassium permanganate of 20-80mg/L or the povidone iodine of 1-10mg/L in the seawater, be sufficiently stirred for, dissolve；
4), after collecting without the husky spiral shell young, young cultivated, screen basket is put into；The spiral shell young, young having husky cultivation shovels in screen frame together with sand；Stand 30s-10 minute；
5) sieve sorting.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: the potassium permanganate concentration of step 3) is 40-60mg/L.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: the potassium permanganate concentration of step 3) is 50mg/L.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: the povidone iodine concentration of step 3) is 1-5mg/L.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: the povidone iodine concentration of step 3) is 3mg/L.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: step 4) time of repose is 30s-5 minute.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: step 4) time of repose is 1-5 minute.
The method of a kind of different size Achatina fulica(Ferussae) spiral shell young, young the most according to claim 1 screening sorting, it is characterised in that: step 4) time of repose is 1-2 minute.
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| CN101091456A (en) * | 2006-06-20 | 2007-12-26 | 朱训猛 | Method of aquatic breeding field snail |
| CN100493347C (en) * | 2006-06-21 | 2009-06-03 | 中国水产科学研究院东海水产研究所 | Method for breeding graded offsprings of blue clams |
| CN101502244A (en) * | 2009-01-21 | 2009-08-12 | 广东海洋大学 | Artificial ripening cultivation method for Parent snail of Hemifusus tuba Gmelin |
| CN201563486U (en) * | 2009-09-09 | 2010-09-01 | 中国水产科学研究院南海水产研究所 | New model culture pond of marine snails |
| CN101785439B (en) * | 2010-02-23 | 2012-05-30 | 深圳市龙科源水产养殖有限公司 | Subsurface-flow water supply culture method and device of Babylonia |
| CN101940182B (en) * | 2010-09-19 | 2012-09-19 | 中国海洋大学 | Artificial seedlings method of Rapana venosa spat |
| KR101066178B1 (en) * | 2011-01-17 | 2011-09-20 | 김성락 | Apparatus for farming together marsh snail and fish |
| CN102550449B (en) * | 2011-09-30 | 2013-09-11 | 湛江腾飞实业有限公司 | Method for large-scale cultivation of Babylonia areolata in mulched shrimp pond |
| KR101428489B1 (en) * | 2014-02-25 | 2014-08-13 | 경상북도(수산자원개발연구소) | Apparatus for inducing childbirth of marsh snail and method for inducing childbirth of marsh snail using the same |
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