CN104798709B - Breeding method of babylonia areolata cross-breeding seeds - Google Patents
Breeding method of babylonia areolata cross-breeding seeds Download PDFInfo
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Abstract
The invention provides a breeding method of babylonia areolata cross-breeding seeds. Male Thailand babylonia areolata and female Hainan babylonia areolata as well as male Hainan babylonia areolata and female Thailand babylonia areolata are respectively adopted for cross breeding, and through processes of parent babylonia areolata sex determination, parent babylonia areolata of different geographical population cross breeding pairing, parent babylonia areolata nutrition enhacnign culture, oocyst collection and hatching, larva culture, young babylonia areolata culture and the like, the cross-breeding seeds with high growth speed and strong disease resistance are cultured. When the method is used for breeding cross-breeding seeds, the culture diseases are reduced, and the occurrence of diseases such as turgescence diseases and shucking diseases can be avoided. The cross-breeding seed stocking is adopted, the yield is increased by 8.2 to 20.3 percent through being compared with that of the traditional breeding seeds, the production value of per square meter of culture pools is increased by 80 to 189.6 Yuan, and the culture economic benefits are improved; antibiotics are not used in the culture process, the product quality is improved, the cultured product conforms to the pollution-free food standard, positive effects are realized on marine ecological environment protection, and the stable healthy and continuous development of the babylonia areolata culture industry is promoted.
Description
Technical field
The invention belongs to aquaculture field, more particularly to a kind of mating system of Babylonia areolata (Lamarck) hybrid seedlings.
Background technology
Babylonia areolata (Lamarck) abbreviation Babylonia, is commonly called as spending spiral shell, is subordinate to Gastropoda, narrow tongue mesh, Buccinidae, Babylonia category.In
State is mainly distributed on and saves coastal in tropical, semi-tropical Fujian, Guangdong, Guangxi and Hainan etc., is in the several of distribution in China
It is individual larger in Babylonia, a kind of speed of growth high-quality shellfish faster.Its delicious meat, it is nutritious, it is crisp tasty and refreshing, it is near
In the past few years seafood table delicacies delicacy emerging both at home and abroad.
The Babylonia areolata (Lamarck) kind of current Hainan cultivation mainly has two, and one kind is Thailand's Babylonia areolata (Lamarck), and another kind is
Hainan Babylonia areolata (Lamarck), Thailand's Babylonia areolata (Lamarck) speed of growth is faster than Hainan Babylonia areolata (Lamarck), but, two kind breeding process
" swollen kiss disease " and " shelling disease " are susceptible to, so as to antibiotics need to be used, the quality of product, unfavorable Yu Haiyang is reduced
The protection of ecological environment, breeding survival rate is not ideal enough.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of side of breeding of Babylonia areolata (Lamarck) hybrid seedlings
Method, seed fast growth, premunition is strong, and cultivation survival rate is high.
What the present invention was realized in：
A kind of mating system of Babylonia areolata (Lamarck) hybrid seedlings, comprises the following steps：
(1) selection of close spiral shell differentiates with male and female
The high 5.5-8.5cm of shell, Hainan Babylonia areolata (Lamarck) of body weight 40-80g are selected, the high 5.5-7.0cm of shell, body weight is selected
Thailand's Babylonia areolata (Lamarck) of 35-55g, both of which selects natural spiral shell；After male and female differentiate, male and female parent's spiral shell separately puts different cement in a suitable place to breed
Chi Zhong；
(2) different geographic populations parent spiral shell hybridization
Male and female parent's spiral shell of different geographic populations, carries out fortification with oyster, squid, crab class as bait；Treat that close spiral shell is equal
Into after spawning season, allow Hainan Babylonia areolata (Lamarck) female parent's spiral shell and Thailand Babylonia areolata (Lamarck) male parent's spiral shell in same pond by
According to 1: 1.1-1.3 proportioning natural mating, and/or make Thailand's Babylonia areolata (Lamarck) female parent's spiral shell close with Hainan Babylonia areolata (Lamarck) male
Spiral shell in another pond according to 1: 1.1-1.3 proportioning natural mating；
(3) match the fortification of close spiral shell to cultivate
With crab class, oyster, squid, clam worm as bait, day bait throwing in 1 time, daily ration, feeding quantity is just having ingested or very small amount residual bait
It is advisable；Water temperature regulates and controls at 26-30 DEG C；Continuous flowing water and inflation, day streamflow be cultivate water body 3-5 times；
(4) egg capsule collection and hatching
1-2 days before the young hatches, egg capsule is collected, be put into after sterilization in nursery pond and hatch, continuous micro- inflation during hatching is protected
Hold good water quality；
(5) larvae cultivation
It is 0.10-0.20/mL just to hatch veliger breeding density, after hatching from egg capsule, daily bait throwing in 2 times, with
Chaetoceros muelleri, chlorella and Isochrysis galbana are bait, while supplement feeds spirulina powder, each feeding volume of single-cell algae is
3-6×104Individual/mL, each feeding volume of spirulina powder is 0.06-0.09g/m3；
The 4-10 days after larvae hatch, in addition to feeding single-cell algae and spirulina powder, increase and throw what shrimp seed rearing was used
Prawn slice and BP, daily bait throwing in 2 times, each feeding volume of single-cell algae is 3-6 × 104Individual/mL, each feeding volume of spirulina powder is
0.1-2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.03-0.3g/m3, each feeding volumes of BP are 0.03-0.07g/m3；Also throw daily
B B-complex 2 times is put, each feeding volume is 0.03-0.1g/m3；
After larvae hatch the 11st day to metamorphosis, stop throw unicellular alga, daily bait throwing in 2 times, each daily ration, feeding quantity of spirulina powder
For 2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each daily ration, feeding quantities of BP are 0.07g/m3；B B-complex 2 is thrown in daily
Secondary, each daily ration, feeding quantity is 0.1g/m3；
Larva start it is abnormal for young spiral shell when, daily bait throwing in spirulina powder, prawn slice and BP are each 2 times, each bait throwing in of spirulina powder
Measure as 2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each feeding volumes of BP are 0.07g/m3, start the artemia for feeding freezing
Nauplius, each daily ration, feeding quantity of artemia nauplii is every square of water surface 0.3-0.5g, is thrown 3 times day；
Larvae hatch starts to change water for the 8th day or the 9th day, and per water is changed within 1-2 days once, each quantity of exchanged water is seedling water
20-30%；The equal continuity inflation of larvae cultivation overall process, makes dissolved oxygen keep more than 5mg/L, when the most of metamorphosis of larva are young
After spiral shell, inflation 20-40min is stopped in bait throwing in, make bait sinking bottom of pond, be easy to firm abnormal young spiral shell to ingest；
(6) young spiral shell is cultivated
When larva all young spiral shells of abnormal life of dwelling the bottom of for, young spiral shell is collected；
Sanding cement pit using nothing carries out young spiral shell early stage cultivation, and according to the area of bottom of pond, breeding density is 1.0-2.0 ten thousand
Grain/m2, cultivate 9-12 days, with artemia nauplii bait, daily bait throwing in 2 times, artemia nauplii daily ration, feeding quantity is with every within the 1-5 days
Throw young spiral shell days artemia nauplii daily ration, feeding quantity after 3-5g, the 6th day for ten thousand and 5-10g is thrown with the young spiral shell day per ten thousand, except stopping during bait throwing in
Fluid stopping water with inflation 50-70min outside, other time keep flowing water with inflation, day streamflow be 1.5-3 times of seedling water；
Later stage cultivation, depth of water 0.6-0.8m, root are carried out in the cement pit for the young spiral shell that premenstruum (premenstrua) cultivates being moved on to laying fine sand
According to the area of bottom of pond, young spiral shell breeding density is 9000-11000 grains/m2, with oyster, squid, shrimp, crab, squid and/or chilled fish
For bait, day bait throwing in 3-4 time, feeding volume is advisable with having ingested in 100-140min after bait throwing in；Except stopping flowing water and filling during bait throwing in
Outside gas 50-70min, other time keep flowing water with inflation, day streamflow be 1-2 times of seedling water；The thick culture 40-50 of later stage mark
It up to can be used to be cultivated as spiral shell seedling to young spiral case to 0.6-1.0cm.
Further, glass aquarium is adopted when male and female differentiate, 8-12cm of intaking, after close spiral shell abdominal foot launches to climb tank wall,
Start unaided eye discrimination：The close spiral shell of tank wall is climbed, mating device and abdominal foot mouth has been seen whether, there is the friendship of rice-shaped on such as close spiral shell abdominal foot right side
Orchestration and abdominal foot bottom (without the big rotund abdominal foot mouth of mung bean, can determine that as male parent's spiral shell；If close spiral shell abdominal foot right side is without rice
Granular mating device, and the big rotund abdominal foot mouth of mung bean is arranged at abdominal foot bottom, that is, be judged to female parent's spiral shell.
Further, the glass aquarium is placed on the base of high 30-40cm.
For example, the base can be using four foot rests (brandreth or yoke), box like object etc..
Further, sterilize the formalin sterilization 0.5-1min for adopting concentration for 100-200mg/L in step (4).
Further, in step (5), the depth of water is 0.8m during larvae hatch, starts within the 3rd day addition 4-6cm daily and filters sea
Water, to water level when the 7-8 days 1m depths are increased to.
Further, in step (6), the later stage cultivate start when per ten thousand young spiral shell day bait throwing in 20-40g, according to the situation of ingesting
Gradually increase, to the later stage, per ten thousand, young spiral shell day bait throwing in reaches 180-200g, and feeding volume is to have ingested in 100-140min after bait throwing in
Preferably,
Further, in step (6), when the later stage cultivates, arrange on the pool wall that the water surface has a common boundary and stop band, prevent young spiral shell from climbing
Go out the dry dew of the water surface and occur dead.
Further, the band that stops is the fibre fluff sideband being pasted onto on the pool wall of water surface boundary.
Breeding hybrid seed of the present invention, reduces the farming disease harms, it is to avoid the disease such as " swollen kiss disease " and " shelling disease " occurs；Cultivation
Process does not use antibiotic, improve product quality, the product of cultivation to meet pollution-free food standard；Put the relative biography of hybrid seedlings in a suitable place to breed
System breeds seed volume increase 8.2-20.3%, and every square metre of culturing pool increases output value 80-189.6 unit, improves fanning economics；Support
Grow process and do not use antibiotic, there is positive role to protecting the marine eco-environment, may advantageously facilitate Babylonia areolata (Lamarck) aquaculture
Stable, healthy, sustainable development.
Specific embodiment
The present invention is further described with reference to specific embodiment, to more fully understand the present invention.
Embodiment 1
(1) selection of close spiral shell differentiates with male and female
The high 5.5-8.5cm of shell, Hainan Babylonia areolata (Lamarck) of body weight 40-80g are selected, the high 5.5-7.0cm of shell, average shell is selected
Thailand's Babylonia areolata (Lamarck) of high 6.0cm or so, body weight 35-55g, both of which selects natural spiral shell.
Using long 75cm, wide 40cm, high 30cm four foot rests (brandreth or yoke), long 70cm, width 40cm, height are laid out on frame
The glass aquarium of 50cm, or take with width 50cm, the box like object of high 30-40cm, lay out long 70cm, width between two objects
The glass aquarium of 40cm, high 50cm.Aquarium water inlet 10cm a, aquarium is put into 50 or so, close spiral shell for 1 time.Treat close spiral shell abdomen
Foot launches to climb after tank wall, starts unaided eye discrimination.Quick method：The close spiral shell of tank wall is climbed, mating device and abdominal foot has been seen whether
Mouthful, such as close spiral shell abdominal foot right side has the mating device of rice-shaped and abdominal foot bottom (between front foot and metapedes) is rotund greatly without mung bean
Abdominal foot mouth, can determine that as male parent's spiral shell；The mating device without rice-shaped on the right side of close spiral shell abdominal foot, and abdominal foot bottom has mung bean near greatly
Circular abdominal foot mouth, that is, be judged to female parent's spiral shell.
(2) different geographic populations parent spiral shell hybridization
Female parent's spiral shell, male parent's spiral shell different geographic populations is separately supported in different cement pits, then with oyster, squid
Fish, crab class carry out fortification for bait；After close spiral shell enters spawning season, the female spiral shell for observing different geographic populations is laid eggs
Without the time of fertilization (when observation embryo does not develop), Hainan Babylonia areolata (Lamarck) female parent's spiral shell and Thailand Babylonia areolata (Lamarck) male parent
Spiral shell is put in same pond, according to 1: 1.2 proportioning natural mating；Thailand's Babylonia areolata (Lamarck) female parent's spiral shell and Hainan side's spot east
Conch male parent's spiral shell is put in another pond, according to 1: 1.2 proportioning natural mating；
(3) match the fortification of close spiral shell to cultivate
Different geographic populations male and female are matched somebody with somebody for 10-20m3Water body cement pit, is cultivated.With crab class, oyster, squid, sand
Silkworm is bait, day bait throwing in 1 time, and daily ration, feeding quantity is just having ingested or very small amount residual bait is advisable；Water temperature regulates and controls at 26-30 DEG C；Continuously
Flowing water and inflation, day streamflow be to cultivate 3-5 times of water body；
(4) egg capsule collection and hatching
1-2 days before the young hatches, after draining to depth of water 5-10cm, adopt ovum personnel and collect ovum with fishing net in pond
Capsule, size is positioned over for 30cm × 20cm × 8cm, the rectangular plastic that aperture is 0.5cm when egg capsule is gathered together with sand grains attachment base
In charging basket, then the plastic crate equipped with egg capsule is put into hatching in nursery pond, hatching Jing after 200mg/L formalin sterilization 1-2min
The micro- inflations of Shi Lianxu, keep good water quality.
(5) larvae cultivation
Nursery pond specification is 15-30m3Indoor cement pit.
It is 0.10-0.20/mL just to hatch veliger breeding density, after hatching from egg capsule, daily bait throwing in 2 times, with
Chaetoceros muelleri, chlorella and Isochrysis galbana are bait, while supplement feeds spirulina powder, each feeding volume of single-cell algae is
3-6×104Individual/mL, each feeding volume of spirulina powder is 0.06-0.09g/m3。
The 4-10 days after larvae hatch, in addition to feeding single-cell algae and spirulina powder, increase and throw what shrimp seed rearing was used
Prawn slice and BP, daily bait throwing in 2 times, each feeding volume of single-cell algae is 3-6 × 104Individual/mL, each feeding volume of spirulina powder is
0.1-2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.03-0.3g/m3, each feeding volumes of BP are 0.03-0.07g/m3；Also throw daily
B B-complex 2 times is put, each feeding volume is 0.03-0.1g/m3；
After larvae hatch the 11st day to metamorphosis, stop throw unicellular alga, daily bait throwing in 2 times, each daily ration, feeding quantity of spirulina powder
For 2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each daily ration, feeding quantities of BP are 0.07g/m3；B B-complex 2 is thrown in daily
Secondary, each daily ration, feeding quantity is 0.1g/m3；
Larva start it is abnormal for young spiral shell when, daily bait throwing in spirulina powder, prawn slice and BP are each 2 times, each bait throwing in of spirulina powder
Measure as 2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each feeding volumes of BP are 0.07g/m3, also start the halogen for feeding freezing
Worm nauplius, each daily ration, feeding quantity of artemia nauplii is every square of water surface 0.3-0.5g, and day throws 3 times, behind after bait throwing in 2 hours
It is advisable without residual bait.
The depth of water is 0.8m during larvae hatch, starts within the 3rd day addition 5cm filtering seas daily, is increased to water level when the 7-8 days
To the 1m depth of waters.Larvae hatch starts to change water for the 8th day or the 9th day, and per water is changed within 1-2 days once, each quantity of exchanged water is seedling water
20-30%；Aeration quantity is consistent substantially during the equal continuity inflation of larvae cultivation overall process, larvae cultivation, protects dissolved oxygen
More than 5mg/L is held, after the most of metamorphosis of larva are young spiral shell, inflation 30min is stopped in bait throwing in, make artemia nauplii, shrimp
The bait sinking bottom of pond such as piece, spirulina powder, is easy to firm abnormal young spiral shell to ingest.
(6) young spiral shell is cultivated
When larva all young spiral shells of abnormal life of dwelling the bottom of for, young spiral shell is collected.Larval rearing water is first drained, is then rushed with seawater
Wash pool bottom makes young spiral shell exit in bolting silk bag from discharge outlet, then the abnormal young spiral shell collected is put in plastic tub, extra large with filtering
Water purges impurity.Using gravimetric method number of computations, then young spiral shell is put in enter rower in the cement pit without sand bottom thick.
Sanding cement pit using nothing carries out young spiral shell early stage cultivation, and according to the area of bottom of pond, breeding density is 1.0-2.0 ten thousand
Grain/m2, cultivate 9-12 days, with artemia nauplii bait, daily bait throwing in 2 times, artemia nauplii daily ration, feeding quantity is with every within the 1-5 days
Throw young spiral shell days artemia nauplii daily ration, feeding quantity after 3-5g, the 6th day for ten thousand and 5-10g is thrown with the young spiral shell day per ten thousand, except stopping during bait throwing in
Fluid stopping water with inflation 60min outside, other time keep flowing water with inflation, day streamflow be 2 times of seedling water.Early stage is cultivated and terminated
The young spiral shell of drainage collection afterwards, is survived spiral shell number with gravimetric method sampling statistics.The a height of 2-3mm of young spiral case that premenstruum (premenstrua) cultivates, per gram of young spiral shell
For 100-200.
Young spiral shell after premenstruum (premenstrua) is cultivated is moved on in the indoor or outdoors cement pit for laying the thick fine sands of 3 ㎝ and carries out later stage mark
It is thick to cultivate, depth of water 0.6-0.8m, according to the area of bottom of pond, young spiral shell breeding density is 10000/m2Left and right, with oyster, squid,
Shrimp, crab and/or chilled fish are bait, and shrimp, squid and chilled fish feed after mincing, and crab is to feed after broken shell, day bait throwing in 3-4 time,
During beginning per ten thousand young spiral shell day bait throwing in 20-40g, gradually increased according to the situation of ingesting, to the later stage, per ten thousand, young spiral shell day bait throwing in reaches
180-200g, has typically been ingested with 2 hours after bait throwing in and has been advisable.Stop inflation after bait throwing in and stop flowing water 1 hour, other time protects
Hold flowing water and inflation, day streamflow be 1-2 times of seedling water.Because young spiral shell is liked climbing out of the water surface and cause death, it is young to prevent
Spiral shell climbs out of the dry dew of the water surface and death occurs, and the fibre fluff sideband that aluminum alloy doors and windows are pasted on the pool wall that the water surface has a common boundary is resistance
Block band.Later stage cultivates 40-50 days and up to can be used to be cultivated as spiral shell seedling to 0.6-1.0cm to young spiral case.
In August, 2013 carries out 12 batch Thailand Babylonia areolata (Lamarck) ♀ × Hainan Babylonia areolata (Lamarck) ♂ and 4 in December, 2014
The hybrid seedlings of batch Hainan Babylonia areolata (Lamarck) ♀ × Thailand Babylonia areolata (Lamarck) ♂ are bred.Thailand Babylonia areolata (Lamarck) ♀ × Hainan side
Spot Babylonia ♂, breeds altogether the high 0.6-1.0cm hybrid seedlings of shell 7,830,000；Hainan Babylonia areolata (Lamarck) ♀ × Thailand's Babylonia areolata (Lamarck)
♂, breeds altogether the high 0.6-10.0cm hybrid seedlings of shell 4,350,000.
Thailand Babylonia areolata (Lamarck) ♀ × Hainan Babylonia areolata (Lamarck) ♂ hybrid seedlings are cultivated 5 months, cultivation survival rate 98.2%,
Every square metre of yield 14kg, 1120 yuan of the output value.Institute's crop increases production 14.5% than cultivation Thailand Babylonia areolata (Lamarck) seed, often puts down
Square rice cultured area increases by 144 yuan of the output value；Increase production 20.3% than cultivating Hainan Babylonia areolata (Lamarck) seed, every square metre of cultured area
Increase by 189.6 yuan of the output value.
Hainan Babylonia areolata (Lamarck) ♀ × Thailand Babylonia areolata (Lamarck) ♂ hybrid seedlings are cultivated 5 months, cultivation survival rate 95.3%,
Every square metre of yield 13.2kg, 1056 yuan of the output value.Institute's crop increases production 8.2% than cultivation Thailand Babylonia areolata (Lamarck) seed, often
Square metre cultured area increases by 80 yuan of the output value；Increase production 14.4% than cultivating Hainan Babylonia areolata (Lamarck) seed cultivation, per square metre is supported
Growing area increases by 133.6 yuan of the output value.Two groups of hybrid seedlings are respectively provided with that fast growth, premunition be strong, cultivation survival rate is high, can subtract
Few the farming disease harms and improve product quality, and obtain good fanning economics.
The specific embodiment of the present invention has been described in detail above, but it is intended only as example, and the present invention is not limited
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Replacement is also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should cover within the scope of the invention.
Claims (8)
1. a kind of mating system of Babylonia areolata (Lamarck) hybrid seedlings, it is characterised in that comprise the following steps：
(1) selection of close spiral shell differentiates with male and female
The high 5.5-8.5cm of shell, Hainan Babylonia areolata (Lamarck) of body weight 40-80g are selected, the high 5.5-7.0cm of shell, body weight 35-55g is selected
Thailand's Babylonia areolata (Lamarck), both of which select natural spiral shell；After male and female differentiate, male and female parent's spiral shell is separately put in a suitable place to breed in different cement pits；
(2) different geographic populations parent spiral shell hybridization
Male and female parent's spiral shell of different geographic populations, carries out fortification with oyster, squid, crab class as bait；Treat that close spiral shell is entered
After spawning season, allow Hainan Babylonia areolata (Lamarck) female parent's spiral shell and Thailand's Babylonia areolata (Lamarck) male parent's spiral shell in same pond according to 1:
The proportioning natural mating of 1.1-1.3, and/or allow Thailand's Babylonia areolata (Lamarck) female parent's spiral shell to exist with Hainan Babylonia areolata (Lamarck) male parent's spiral shell
In another pond according to 1: 1.1-1.3 proportioning natural mating；
(3) match the fortification of close spiral shell to cultivate
With crab class, oyster, squid, clam worm as bait, day bait throwing in 1 time, daily ration, feeding quantity is just having ingested or very small amount residual bait is advisable；
Water temperature regulates and controls at 26-30 DEG C；Continuous flowing water and inflation, day streamflow be cultivate water body 3-5 times；
(4) egg capsule collection and hatching
1-2 days before the young hatches, egg capsule is collected, be put into after sterilization in nursery pond and hatch, continuous micro- inflation during hatching keeps good
Good water quality；
(5) larvae cultivation
Veliger breeding density is just hatched for 0.10-0.20/mL, after hatching from egg capsule, daily bait throwing in 2 times, with Mu Shi
Chaetoceros, chlorella and Isochrysis galbana are bait, while supplement feeds spirulina powder, each feeding volume of single-cell algae is 3-6
×104Individual/mL, each feeding volume of spirulina powder is 0.06-0.09g/m3；
The 4-10 days after larvae hatch, in addition to feeding single-cell algae and spirulina powder, increase and throw the prawn slice that shrimp seed rearing is used
And BP, daily bait throwing in 2 times, each feeding volume of single-cell algae is 3-6 × 104Individual/mL, each feeding volume of spirulina powder is 0.1-
2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.03-0.3g/m3, each feeding volumes of BP are 0.03-0.07g/m3；Also throw in daily multiple
Conjunction vitamin 2 times, each feeding volume is 0.03-0.1g/m3；
After larvae hatch the 11st day to metamorphosis, stop throwing unicellular alga, daily bait throwing in 2 times, each daily ration, feeding quantity of spirulina powder is
2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each daily ration, feeding quantities of BP are 0.07g/m3；Daily input B B-complex 2 times,
Every time daily ration, feeding quantity is 0.1g/m3；
Larva start it is abnormal for young spiral shell when, daily bait throwing in spirulina powder, prawn slice and BP are each 2 times, and each daily ration, feeding quantity of spirulina powder is
2.0g/m3, each daily ration, feeding quantity of prawn slice is 0.3g/m3, each feeding volumes of BP are 0.07g/m3；Start the artemia for feeding freezing without section
The young, each daily ration, feeding quantity of artemia nauplii is every square of water surface 0.3-0.5g, is thrown 3 times day；
Larvae hatch starts to change water for the 8th day or the 9th day, and per water is changed within 1-2 days once, each quantity of exchanged water is the 20- of seedling water
30%；The equal continuity inflation of larvae cultivation overall process, makes dissolved oxygen keep more than 5mg/L, when the most of metamorphosis of larva are young spiral shell
Afterwards, inflation 20-40min is stopped in bait throwing in, bait sinking bottom of pond is made, is easy to firm abnormal young spiral shell to ingest；
(6) young spiral shell is cultivated
When larva all young spiral shells of abnormal life of dwelling the bottom of for, young spiral shell is collected；
Sanding cement pit using nothing carries out young spiral shell early stage cultivation, and according to the area of bottom of pond, breeding density is ten thousand/m of 1.0-2.02,
Cultivate 9-12 days, with artemia nauplii bait, daily bait throwing in 2 times, the 1-5 days artemia nauplii daily ration, feeding quantities are with young per ten thousand
Spiral shell day throws 3-5g, and artemia nauplii daily ration, feeding quantity throws 5-10g with the young spiral shell day per ten thousand after the 6th day, except stopping flowing water during bait throwing in
With inflation 50-70min outside, other time keep flowing water with inflation, day streamflow be 1.5-3 times of seedling water；
Later stage cultivation, depth of water 0.6-0.8m, according to pond are carried out in the cement pit for the young spiral shell that premenstruum (premenstrua) cultivates being moved on to laying fine sand
The area at bottom, young spiral shell breeding density is 9000-11000 grains/m2, with oyster, squid, shrimp, crab and/or chilled fish as bait, day
Bait throwing in 3-4 time, feeding volume is advisable with having ingested in 100-140min after bait throwing in；Except stopping flowing water during bait throwing in and inflation 50-70min
Outward, other time keep flowing water with inflation, day streamflow be 1-2 times of seedling water；Later stage culture is up to for 40-50 days to young spiral case
Can be used to be cultivated as spiral shell seedling to 0.6-1.0cm.
2. mating system according to claim 1, it is characterised in that glass aquarium is adopted when male and female differentiate, 8- of intaking
12cm, after close spiral shell abdominal foot launches to climb tank wall, starts unaided eye discrimination：The close spiral shell of tank wall is climbed, mating device and abdominal foot has been seen whether
Mouthful, such as close spiral shell abdominal foot right side has the mating device of rice-shaped and abdominal foot bottom is without the big rotund abdominal foot mouth of mung bean, can determine that for
Male parent's spiral shell；The mating device without rice-shaped on the right side of close spiral shell abdominal foot, and the big rotund abdominal foot mouth of mung bean is arranged at abdominal foot bottom, i.e.,
It is judged to female parent's spiral shell.
3. mating system according to claim 2, it is characterised in that the glass aquarium is placed on high 30-40cm's
On base.
4. mating system according to claim 1, it is characterised in that sterilization in step (4) adopts concentration for 100-
The formalin sterilization immersion 0.5-1min of 200mg/L.
5. mating system according to claim 1, it is characterised in that in step (5), the depth of water is 0.8m during larvae hatch,
Start within 3rd day addition 4-6cm filtering seas daily, to water level when the 7-8 days 1m depths are increased to.
6. mating system according to claim 1, it is characterised in that in step (6), the later stage cultivates young per ten thousand when starting
Spiral shell day bait throwing in 20-40g, gradually increases according to the situation of ingesting, to the later stage per ten thousand young spiral shell day bait throwing in reach 180-200g, feeding volume with
Ingest in 100-140min after bait throwing in and be advisable.
7. mating system according to claim 1, it is characterised in that in step (6), later stage mark is thick when cultivating, in the water surface
Arrange on the pool wall of boundary and stop band, prevent young spiral shell from climbing out of the dry dew of the water surface and occurring dead.
8. mating system according to claim 7, it is characterised in that the obstruction band is the pool wall for being pasted onto water surface boundary
On fibre fluff sideband.
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| CN109699539B (en) * | 2018-12-26 | 2021-10-15 | 广西壮族自治区水产科学研究院 | Method suitable for hybridization of escargots in different geographical populations |
| CN109984062B (en) * | 2018-12-29 | 2021-07-27 | 广西桂螺农业科技有限公司 | Breeding method of escargots |
| CN109804952B (en) * | 2019-03-28 | 2021-01-26 | 海南晨海水产有限公司 | Artificial breeding method for decapterus maruadsi |
| CN110178770A (en) * | 2019-06-20 | 2019-08-30 | 厦门大学 | A kind of Babylonia family is established and fine-variety breeding method |
| CN113080132B (en) * | 2021-03-10 | 2022-07-01 | 海南蓝泰邦生物技术有限公司 | Recycling method of culture tail water of babylonia areolata |
| CN114631503A (en) * | 2022-02-25 | 2022-06-17 | 海南金雨海洋产业发展有限公司 | Artificial seedling culture method for Babylonia |
| CN116439174B (en) * | 2023-03-15 | 2024-03-19 | 广东海洋大学 | Seedling cultivation method for Babylonia |
| CN117084204B (en) * | 2023-09-27 | 2024-04-05 | 广东海洋大学 | Buffer solution for improving hatching rate and survival rate of eastern conch oocysts and method for hatching eastern conch oocysts |
| CN117617162B (en) * | 2023-11-23 | 2024-05-03 | 广东海洋大学 | Interspecific hybridization method of Babylonia pusilla and Babylonia quadricarina |
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