CN105284692B - A kind of extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding method - Google Patents
A kind of extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding method Download PDFInfo
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- CN105284692B CN105284692B CN201510907834.5A CN201510907834A CN105284692B CN 105284692 B CN105284692 B CN 105284692B CN 201510907834 A CN201510907834 A CN 201510907834A CN 105284692 B CN105284692 B CN 105284692B
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Abstract
The present invention relates to a kind of extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding methods, belong to prawn culturing technical field.It comprises the following steps that：1, culture pond is built；2, sanding；3, airlift unit is installed；4, it sterilizes；5, it intakes；6, seedling is put；7, water transfer color；8, bait feeding；9, water quality monitoring and growing state monitoring；10, go out pond.The present invention can carry out batch production, high density, big specification（3cm or so）Seed rearing shortens the cultivation phase in growing pond, realizes the Marsupenaeus japonicus large size seedling seed device and breeding method of stubble cultivation more than a year.Using this method, by seed, long 0.8cm is cultivated to the long 3cm of body or so self, and Marsupenaeus japonicus survival rate is up to 80% or more；Self long 3cm or so cultivation is to commercial sized prawn, and survival rate is up to 70% or more, and yield is up to 1500 ~ 2250kg/hm2.
Description
Technical field
The present invention relates to a kind of extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding methods, belong to prawn
Cultural technique field.
Background technology
Prawn is the deep aquatic food liked by people, in recent years the kinds such as domestic and international litopenaeus vannamei, Penaeus monodon
Feed coefficient, the increase of batch production high-density breeding water body quickly, technology become better and approaching perfection day by day, equivalent per unit area yield reaches 7.5kg/m2More than.Day
This capsule prawn is as the improved seeds to shrimps, and the dry fortune of Yin Qinai, the shrimp that can live sale, body colour decorative pattern is bright-coloured, eat it raw it is in good taste,
Even more favored by market, price is always 3 ~ 5 times of other type prawn prices.Marsupenaeus japonicus is distributed in the Bohai Sea of China
The western part in sea, the Huanghai Sea and the Korea peninsula is littoral；In China's Coastal Areas, there is cultivation in north and south.Because Marsupenaeus japonicus has latent sand
Habit, what the breeding way overwhelming majority was taken at present is outdoor earth pond cultivation.This kind of breeding way take outdoor 0.3 ~
1.5hm2 Tu Chi, bottom of pond select sand in sandy soil or paving 5cm or so, launch the seed of long 0.8cm of body or so, feed artificial bait
The technical measures such as material or biological feed.Launch seed after, because of small and latent sand individual at this time, prophase management is difficult, seed at
Motility rate only 30% or so, later stage quantity be difficult to hold, cause universal yield to be less than（750kg/hm²）It is below and unstable.
Invention content
The invention reside in shortcoming present in prior art is solved, providing a kind of can carry out batch production, high density, big
Specification（3cm or so）Seed rearing shortens the cultivation phase in growing pond, realizes the big specification seedling of Marsupenaeus japonicus of stubble cultivation more than a year
Kind device and breeding method.Using this method, by seed, long 0.8cm is cultivated to the long 3cm of body or so self, and Marsupenaeus japonicus survives
Rate is up to 80% or more；Self long 3cm or so cultivation to commercial sized prawn, survival rate up to 70% or more, yield up to 1500 ~
2250kg/hm²。
A kind of extensive seed rearing device of Marsupenaeus japonicus batch production, is characterized in that including being set in raising chamber
Multiple culture ponds 12, the cross section of culture pond 12 is in round, and culture pond 12 is equipped with temperature control, water supply, feeder, around training
Educate be hung on the inner wall in pond 12 it is multiple for into culture pond 12 inflate and meanwhile water can be driven to be rotated to same direction
Airlift unit 11 is equipped with soil stack 1, part of the soil stack 1 close to 12 bottom of culture pond at 12 bottom discharge mouth of culture pond
Osculum 2 is laid on tube body, the bottom of soil stack 1 is equipped with blowoff line 3, and one end of blowoff line 3 is inserted in collection seedling
In slot 4；
It is erected with cylindrical barricade 9 at the discharge outlet of the culture pond 12, forms round dirt colleceting area in cylindrical barricade 9,
Remaining region is laid with clean middle sand 13 outside dirt colleceting area；
The airlift unit 11 includes outer tube 5 that is contour with culture pond 12 and connecting up and down, and inflation is inserted in outer tube 5
Hose 6, one end that inflated hose 6 is located at outside outer tube 5 are connected with air blower, inflated hose 6 be located at one end in outer tube 5 with
Air stone 7 is connected, and outer tube 5 is equipped with guide water outlet 8；
A diameter of 110cm of the soil stack 1, soil stack 1 from bottom at 50cm, per cm2Drill straight diameter 0.3cm
Osculum 2 one, the size for collecting seedling slot 4 are：Long 100cm × wide 80cm × high 60cm, 4 upper limb of collection seedling slot are less than blowdown valve
10 5cm with blowdown, control water level, collect seed；
12 bottom of pond approximation infundibulate of the culture pond, 12 bottom of pond outer rim of culture pond are reduced to 4 ~ 6% to discharge outlet direction ratio.
A kind of extensive offspring seed cultivation method of Marsupenaeus japonicus batch production, is characterized in that and includes the following steps：
1, culture pond is built
In the built-in round culture pond 12 of raising chamber, 80% or more, indoor illumination intensity is kept the roof shading rate of raising chamber
The draining among 500 ~ 1000lx, culture pond bottom, installs soil stack 1 at the discharge outlet of culture pond 12, and soil stack 1 is close
Osculum 2 is laid on the part tube body at 12 bottom of culture pond, the bottom of soil stack 1 is equipped with blowoff line 3, blowoff line 3
One end be inserted in collection seedling slot 4；
The culture pond 12 be circle, diameter 5m, pond depth 1.4m, 1.1 ~ 1.2m of available depth, 12 bottom outer rim of culture pond to
Discharge outlet direction ratio is reduced to 4 ~ 6%；
A diameter of 110cm of the soil stack 1, soil stack 1 from bottom at 50cm, per cm2Drill straight diameter 0.3cm
Osculum 2 one, the blowdown valve 10 outside blowoff line 3 and pond connect, the 10 long 100cm of opposite position built in advance of blowdown valve outside pond
The collection seedling slot 4 of × wide 80cm × high 60cm, 4 upper limb of collection seedling slot are less than 10 5cm of blowdown valve, with blowdown, control water level, collect seedling
Kind；
2, sanding
Cylindrical barricade 9 is built around discharge outlet, forms the dirt colleceting area of a diameter of 50cm, dirt colleceting area in cylindrical barricade 9
Remaining outer region is laid with clean middle sand 13；
The cylinder barricade 9 is assembled using laying bricks, and the width of cylindrical barricade is 6 ~ 8cm, wall height is 6 ~ 8cm；
The laying depth of the middle sand 13 is 4 ~ 5cm, and the grain size of middle sand 13 is 0.5 ~ 1.5mm；
3, airlift unit 11 is installed
Multiple airlift units 11 are installed around 12 inner wall of culture pond, while bottom of pond is per m2A gas exhausting stone is laid, ensures training
Educate 2 ~ 3% that the total aeration quantity per minute of pond 12 is effective water body；
The airlift unit 11 includes outer tube 5 that is contour with culture pond 12 and connecting up and down, and inflation is inserted in outer tube 5
Hose 6, one end that inflated hose 6 is located at outside outer tube 5 are connected with air blower, inflated hose 6 be located at one end in outer tube 5 with
Air stone 7 is connected, outer tube 5 be equipped with guide water outlet 8,8 installation site of water outlet of all airlift units 11 is identical, with
Pool wall is in tangential direction, to ensure to form rotating vortex in culture pond 12, makes the accumulation of impurities such as residual bait, excrement in dirt colleceting area
It is interior；
4, it sterilizes
After 12 sanding of culture pond, carry out disinfection processing to culture pond 12；
It is described disinfect the specific steps are：Into culture pond 12,15 ~ 30cm of water inlet, adds chlorine-containing disinfectant, makes in water
Effective chlorine reaches 6ppm, after mixing, after repeatedly being sprayed each portion in pond with the pool inner water containing disinfectant and impregnated 24 hours, then uses
Clean sea water is rinsed well；
5, it intakes
By by sand filtration, disinfection and precipitate 24 hours after fresh seawater with 200 mesh sieve tulles filtering after be delivered to cultivation
Ocean temperature is adjusted to 26 ~ 28 DEG C, salinity 20 ~ 32 ‰ by pond 12 after water inlet, fully aeration 24 hours more than for use；
6, seedling is put
The healthy seedling of the long 0.8cm or more of body is bought, breeding density is controlled in 8000 ~ 12000 tails/m2, seed into before pond,
New water slowly plus in pond, after so that seed is adapted to 1 ~ 1.5 hour, then the full pond of seed is uniformly let go in seedling bag；
7, water transfer color
It after so that seed bottom is dwelt, is not influenced by light, there is stable environment, when putting seedling, by the water in culture pond 12
Tone makes transparency reach the 50 ~ 70% of the depth of water to light reddish brown color, later daily according to water colour adjustment, supplement；
When the water transfer color, red prawn slice 5 ~ 8ppm of bait can be added into water, carries out water colour adjustment；
8, bait feeding
Start within second day to feed bait after putting seedling, daily 18 feed 3 ~ 5 bait when next morning 6；
The Marsupenaeus japonicus bait feeding：Start within second day to feed bait after putting seedling, feeds shrimp seedling bait special within first 15 days
Expect prawn slice and freezing adult ' Luchung ' insect, the sub- mixed bait of Marsupenaeus japonicus private particle and freezing adult ' Luchung ' insect are fed after 15 days；At
Two kinds of bait intervals of bait and adult ' Luchung ' insect are savored to feed；Bait prawn slice and the sub- mixed bait grain size of Marsupenaeus japonicus private particle and
Feeding volume adjusts at any time according to the description of product and with reference to prawn body length with situation of ingesting, and part prawn slice are fed with adult ' Luchung ' insect replacement
Or when mixed bait, feeding volume can be according to artemia：Mixed bait（Prawn slice）=2.5:1 converts；
9, water quality monitoring and growing state monitoring
When daily 6 ~ 18, at interval of 4 ~ 6 hours, blowdown valve 10 is opened outside culture pond 12, the 1/30-1/ of water is discharged
20, by outside the residual bait accumulated among culture pond, excrement, crust discharge pond, new water is supplemented after blowdown；Added into pond every 2 ~ 4 days
It is primary added with beneficial bacteria, make in water beneficial bacterium additive amount up to 104 CFU/ml, every 2 ~ 4 days water samplings detection water quality index 1 time；
When every afternoon 17, airlift unit 11 is closed, reduces water velocity of circulation, airlift unit 11 is opened when next morning 6；
Every 4 ~ 6 days, shrimp detection activity, growing state were taken at night, every 5 days bodies length, which increases, should reach 4 ~ 6mm, if being not achieved
When, it should check whether water quality, bait feeding are suitable；
10, go out pond
After shrimp seedling body is up to 3cm, to go out pond in time and be put in outdoor growing pond, in order to avoid because of the excessive influence late growth of density
Or cause size differentiation；
It is described go out pond when, should at 18 after shrimp come out activity when, pull out 12 intermediate soil stack 1 of culture pond, open cultivate
Blowdown valve 10 outside pond 12 collects shrimp seedling with 20 mesh net cages in collection seedling slot 4.
The extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding method of the present invention, builds culture pond indoors
12, in 12 bottom sanding of culture pond, carry out batch production, high density, big specification（3cm or so）Seed rearing, cultivating survival rate are reachable
80% or more；Large size seedling seed is supplied to farm, aquaculture management sport technique segment is made to be more easy to hold, from 3cm or so to commercial sized prawn
Cultivation survival rate is up to 70% or more, yield up to 1500 ~ 2250kg/hm2；And it can be shortened in growing pond using the technology and be supported
It grows the phase, realizes that stubble cultivates more than a year.
Description of the drawings
Fig. 1：The structural schematic diagram of the extensive seed rearing device of Marsupenaeus japonicus batch production of the present invention；
Fig. 2：The structural schematic diagram of airlift unit of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of no creative work
Example, shall fall within the protection scope of the present invention.
Embodiment 1
The extensive seed rearing device of Marsupenaeus japonicus batch production of the present embodiment, refer to the attached drawing 1-2, including it is set to cultivation
The cross section of indoor multiple culture ponds 12, culture pond 12 is in round, and culture pond 12 is equipped with temperature control, water supply, feeder, encloses
It is hung on the inner wall of culture pond 12 multiple for being inflated into culture pond 12 and the gaslift of water rotational flow can be driven to fill
11 are set, soil stack 1 is installed, soil stack 1 is on the part tube body at 12 bottom of culture pond at 12 bottom discharge mouth of culture pond
It is laid with osculum 2, the bottom of soil stack 1 is equipped with blowoff line 3, and one end of blowoff line 3 is inserted in collection seedling slot 4；
It is erected with cylindrical barricade 9 at the discharge outlet of culture pond 12, forms round dirt colleceting area in barricade 9；Airlift unit 11 includes and training
The outer tube 5 that pond 12 is contour and connects up and down is educated, inflated hose 6 is inserted in outer tube 5, inflated hose 6 is located at outside outer tube 5
One end is connected with air blower, and one end that inflated hose 6 is located in outer tube 5 is connected with air stone 7, and outer tube 5 is equipped with water outlet
Mouth 8；12 bottom of pond of culture pond is reduced to 4 ~ 6% to discharge outlet direction ratio.
Embodiment 2
The extensive offspring seed cultivation method of the present embodiment Marsupenaeus japonicus batch production, including following incubation step：
1, raising chamber, pond setting
Raising chamber 600 ~ 1000m of area2If fiberglass or plastic foil roof, roof shading rate reaches 80% or more, interior
Maintain 500 ~ 1000lx intensities of illumination；
Indoor construction culture pond 12, culture pond 12 is rounded, diameter 5m, pond depth 1.4m, 1.1 ~ 1.2m of available depth；Training
Draining among pond is educated, bottom of pond is reduced to 4 ~ 6% to discharge outlet direction ratio, and the pvc soil stacks 1 of Φ 110cm are arranged in discharge outlet；Draining
Standpipe 1 from bottom at 50cm, per cm2Bore Φ 0.3cm osculums 2 one；Soil stack 1 passes through the blowdown pre-buried in bottom of pond
Blowdown valve 10 outside pipeline 3 and pond connects, the 10 long 100cm of opposite position built in advance of blowdown valve × wide 80cm × high 60cm outside pond
Collection seedling slot 4,4 upper limb of collection seedling slot is less than 10 5cm of blowdown valve, with blowdown, control water level, collects seed, each pond be equipped with into
Water, inflation, temperature raising device；
2, sanding
Around the discharge outlet round dirt colleceting area of brick diameter 50cm, dirt colleceting area periphery sets the circle of wide 6 ~ 8cm, high 6 ~ 8cm
Cylindricality barricade 9, sand 13 in remaining region paving 4 ~ 5cm thickness outside bottom of pond dirt colleceting area（0.5 ~ 1.5mm of grain size）, sand is thoroughly clear before sanding
Wash clean；
3, inflation and airlift unit 11 are arranged
Multiple airlift units 11 are installed around 12 inner wall of culture pond, while bottom of pond is per m2A gas exhausting stone is laid, ensures training
Educate 2 ~ 3% that the total aeration quantity per minute of pond 12 is effective water body；
4, it sterilizes
After the sanding of pond, will intake 15 ~ 30cm, add chlorine-containing disinfectant, and effective chlorine is made in water to reach 6ppm, after mixing,
Each portion in pond is repeatedly sprayed to simultaneously soaking disinfection 24 hours with the pool inner water containing disinfectant, is then rinsed again with clean sea water dry
Only；
5, it intakes, put seedling
By by sand filtration, disinfection and precipitate 24 hours after fresh seawater filtered into pond with 200 mesh sieve tulles, adjusted after water inlet
Whole temperature be 26 ~ 28 DEG C, salinity 20 ~ 32 ‰, fully aeration 24 hours more than for use；
Buy long 0.8cm or more the seeds of body, it is desirable that seed is uniform in size, body is without hanging even thickness, liver pancreas before and after dirty, enteron aisle
Dirty healthy seedling clear-cut, energy is strong, the long 0.8cm seeds breeding density of body can 10,000 tails/m2Left and right.After seed is marched into the arena,
New water slowly plus in pond, after so that seed is adapted to 1 hour, then the full pond of seed is uniformly let go in seedling bag；
6, water transfer color
When putting seedling, red prawn slice 5 ~ 8ppm of bait is added in water, makes water colour that micro- bronzing, or addition single-cell algae be presented
Class makes transparency reach the 50 ~ 70% of the depth of water, is suitably adjusted, supplemented according to water colour daily later；
7, bait feeding
Start within second day to feed bait after putting seedling, daily 18 feed 3 ~ 5 bait when next morning 6；
The Marsupenaeus japonicus bait feeding：Start within second day to feed bait after putting seedling, feeds shrimp seedling bait special within first 15 days
Expect prawn slice and freezing adult ' Luchung ' insect, the sub- mixed bait of Marsupenaeus japonicus private particle and freezing adult ' Luchung ' insect are fed after 15 days；At
Two kinds of bait intervals of bait and adult ' Luchung ' insect are savored to feed；Bait prawn slice and the sub- mixed bait grain size of Marsupenaeus japonicus private particle and
Feeding volume adjusts at any time according to the description of product and with reference to prawn body length with situation of ingesting, and part cooperation is fed with adult ' Luchung ' insect replacement
When bait, feeding volume can be according to artemia：Mixed bait=2.5:1 converts；
8, daily management includes water quality management and growing state detection
Water quality requirement meets fishery water standard；When daily 6 ~ 18, at interval of 4 ~ 6 hours, water discharging valve is opened outside pond,
The residual bait accumulated among pond, excrement, crust are discharged outside pond and exchange 1/30 ~ 1/20 water.It was added into pond every 2 ~ 4 days withered
The beneficial bacteriums such as careless bacillus, nitrobacteria, photosynthetic bacteria are primary, make in water each beneficial bacterium additive amount up to 104 CFU/ml。
Every 2 days water samplings detection water quality index 1 time；
When every afternoon 17（0.5 ~ 1 hour before bait throwing in）, airlift unit 11 is closed, water velocity of circulation is reduced；Next morning 6
When open airlift unit 11；
Growing state detects, it is desirable that every 5 days, takes shrimp detection activity, growing state at night.
9, go out pond
After shrimp seedling body is up to 3cm, to go out pond in time and be put in outdoor growing pond, in order to avoid because of the excessive influence late growth of density
Or cause size differentiation.When going out pond, can when 18 after shrimp when coming out activity, pull out soil stack among pond, open the row outside pond
Dirty valve collects shrimp seedling with 20 mesh net cages in collection seedling slot.
The technology is used in Laizhou, Shandong city within 2014, former indoor fish pond is reconstructed into 600m2Marsupenaeus japonicus factory
Change extensive seed rearing device, seedling minimum temperature can be put by being far below in outdoor water temperature（12℃）March 20, from Hainan Province ten thousand
Buy long 6,300,000 tail of 0.8cm Marsupenaeus japonicus seed of body in peaceful city（56 yuan/ten thousand tails amount to 3.53 ten thousand yuan）；Using the cultivation side
Method opens boiler and water temperature is adjusted to 26 DEG C, feeds the special bait of Marsupenaeus japonicus（First 15 days red woods prawn slice, rear 15 overhead traveling crane member
Board mixed bait）With freezing adult ' Luchung ' insect.It was cultivated by 29 days, average body length reaches 3cm.Went out big specification seedling altogether to April 25
520.6 ten thousand tails of kind, 230 yuan/ten thousand tail of selling price, 11.97 ten thousand yuan of the output value；Bait, artificial, energy cost is 2.78 ten thousand yuan total, profit
Moisten 5.66 ten thousand yuan.
Long 680,000 tail of 0.8cm Marsupenaeus japonicus seed of body is bought from Hainan Province Sanya on May 4th, 2014（Unit price 43
Member/ten thousand tails amounts to 2.92 ten thousand yuan）, carry out second batch cultivation.When second batch is cultivated, because the big artemia of adult largely lists, price is just
Preferably, so accordingly reducing mixed bait dosage, adult ' Luchung ' insect dosage is increased, other breeding methods are the same as first.To June 10,
Go out pond altogether to be averaged long 5,620,000 tail of 4.2cm large size seedling seeds of body, 180 yuan/ten thousand tail of selling price, 10.12 ten thousand yuan of the output value；Bait, people
Work, energy cost are 1.85 ten thousand yuan total, 5.35 ten thousand yuan of profit.
The extensive seed rearing device of Marsupenaeus japonicus batch production and its breeding method of the present invention, builds culture pond indoors
12, in 12 bottom sanding of culture pond, carry out batch production, high density, big specification（3cm or so）Seed rearing, cultivating survival rate are reachable
80% or more；Large size seedling seed is supplied to farm, aquaculture management sport technique segment is made to be more easy to hold, from 3cm or so to commercial sized prawn
Cultivation survival rate is up to 70% or more, yield up to 1500 ~ 2250kg/hm2.And it can be shortened in growing pond using the technology and be supported
It grows the phase, realizes that stubble cultivates more than a year.
Claims (3)
1. a kind of extensive offspring seed cultivation method of Marsupenaeus japonicus batch production, it is characterised in that include the following steps：
1）, build culture pond
In the built-in round culture pond of raising chamber（12）, 80% or more, indoor illumination intensity is maintained at the roof shading rate of raising chamber
500 ~ 1000lx, culture pond bottom centre draining, in culture pond（12）Discharge outlet at install soil stack（1）, soil stack（1）
Close to culture pond（12）It is laid with osculum on the part tube body at bottom（2）, soil stack（1）Bottom blowoff line is installed
（3）, blowoff line（3）One end be inserted in collection seedling slot（4）It is interior；
2）, sanding
Cylindrical barricade is built around discharge outlet（9）, in cylindrical barricade（9）The interior dirt colleceting area for forming a diameter of 50cm, dirt colleceting area
Remaining outer region is laid with clean middle sand（13）；
3）, installation airlift unit（11）
Around culture pond（12）Inner wall installs multiple airlift units（11）, while bottom of pond is per m2A gas exhausting stone is laid, ensures to cultivate
Pond（12）Total aeration quantity per minute is the 2 ~ 3% of effective water body；
4）, disinfection
Culture pond（12）After sanding, to culture pond（12）Carry out disinfection processing；
5）, water inlet
By by sand filtration, disinfection and precipitate 24 hours after fresh seawater with 200 mesh sieve tulles filtering after be delivered to culture pond
（12）, ocean temperature is adjusted to 26 ~ 28 DEG C, salinity 20 ~ 32 ‰ after water inlet, fully aeration 24 hours more than for use；
6）, put seedling
The healthy seedling of the long 0.8cm or more of body is bought, breeding density is controlled in 8000 ~ 12000 tails/m2, seed is into before pond, Xiang Miao
New water slowly plus in pond, after so that seed is adapted to 1 ~ 1.5 hour, then the full pond of seed is uniformly let go in bag；
7）, water transfer color
It after so that seed bottom is dwelt, is not influenced by light, there is stable environment, when putting seedling, by culture pond（12）Interior water colour
It is adjusted to light reddish brown color, transparency is made to reach the 50 ~ 70% of the depth of water, later daily according to water colour adjustment, supplement；
8）, bait feeding
Start within second day to feed Marsupenaeus japonicus bait after putting seedling, daily 18 feed bait when next morning 6, feed 3 ~ 5 daily
It is secondary；
9）, water quality monitoring and growing state monitoring
When daily 6 ~ 18, at interval of 4 ~ 6 hours, in culture pond（12）Outer opening blowdown valve（10）, the 1/30-1/ of water is discharged
20, by outside the residual bait accumulated among culture pond, excrement, crust discharge pond, new water is supplemented after blowdown, was added into pond every 2 ~ 4 days
It is primary added with beneficial bacteria, make in water each beneficial bacterium additive amount up to 104 CFU/ml, every 2 ~ 4 days water samplings detect water quality index 1
It is secondary；
10）, go out pond
After shrimp seedling body is up to 3cm, to go out pond in time and be put in outdoor growing pond, in order to avoid because of the excessive influence late growth of density or make
At size differentiation；
It is described go out pond when, should at 18 after shrimp come out activity when, pull out culture pond（12）Intermediate soil stack（1）, open cultivate
Pond（12）Outer blowdown valve（10）, with 20 mesh net cages in collection seedling slot（4）Interior collection shrimp seedling；
Step 4）Described in disinfect the specific steps are：To culture pond（12）15 ~ 30cm of interior water inlet, adds chlorine-containing disinfectant,
So that effective chlorine is reached 6ppm, after mixing, each portion in pond is repeatedly sprayed and impregnated 24 hours with the pool inner water containing disinfectant
Afterwards, then with clean sea water it rinses well；
Step 7）Described in water transfer color when, red prawn slice 5 ~ 8ppm of bait is added into water, carries out water colour adjustment；
Step 9）When water quality monitoring and growing state monitor, when every afternoon 17, airlift unit is closed（11）, reduce water circulation
Speed, when next morning 6, open airlift unit（11）；Every 4 ~ 6 days, shrimp detection activity, growing state, every 5 days bodies length is taken to increase at night
Length should reach 4 ~ 6mm.
2. a kind of extensive offspring seed cultivation method of Marsupenaeus japonicus batch production described in accordance with the claim 1, it is characterised in that：
Step 1）Described in culture pond（12）For circle, diameter 5m, pond depth 1.4m, 1.1 ~ 1.2m of available depth, culture pond（12）
Bottom is reduced to 4 ~ 6% to discharge outlet direction ratio；The soil stack（1）A diameter of 110cm, soil stack（1）From bottom to
At 50cm, per cm2Drill straight diameter 0.3cm osculums（2）One, blowoff line（3）With the blowdown valve outside pond（10）Connection, outside pond
Blowdown valve（10）The collection seedling slot of the long 100cm of opposite position built in advance × wide 80cm × high 60cm（4）, collect seedling slot（4）Upper limb is less than
Blowdown valve（10）5cm with blowdown, control water level, collects seed；
Step 2）Described in cylindrical barricade（9）It is assembled using laying bricks, the width of cylindrical barricade is 6 ~ 8cm, wall height 6
~ 8cm, a diameter of 50cm in dirt colleceting area in barricade；
The middle sand（13）Laying depth be 4 ~ 5cm, middle sand（13）Grain size be 0.5 ~ 1.5mm；
The airlift unit（11）Including with culture pond（12）Outer tube that is contour and connecting up and down（5）, outer tube（5）Inside it is inserted with
Inflated hose（6）, inflated hose（6）Positioned at outer tube（5）External one end is connected with air blower, inflated hose（6）Positioned at outer
Pipe（5）Interior one end and air stone（7）It is connected, outer tube（5）It is equipped with guide water outlet（8）, all airlift units（11）'s
Water outlet（8）Installation site is identical, is in tangential direction with pool wall, to ensure in culture pond（12）Interior formation rotating vortex, makes
The accumulation of impurities such as residual bait, excrement are in dirt colleceting area.
3. a kind of extensive offspring seed cultivation method of Marsupenaeus japonicus batch production described in accordance with the claim 1, it is characterised in that：
Step 8）Described in Marsupenaeus japonicus bait be：Start within second day to feed bait after putting seedling, daily 18 throw when next morning 6
Feed 3 ~ 5 bait；
The Marsupenaeus japonicus bait feeding：Start within second day to feed bait after putting seedling, feeds within first 15 days the special bait shrimp of shrimp seedling
Piece and freezing adult ' Luchung ' insect, feed the sub- mixed bait of Marsupenaeus japonicus private particle and freezing adult ' Luchung ' insect after 15 days；Finished product bait
Material and two kinds of bait intervals of adult ' Luchung ' insect are fed；When feeding part mixed bait with adult ' Luchung ' insect replacement, feeding volume can be according to halogen
Worm：Mixed bait=2.5:1 converts.
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| CN109699544A (en) * | 2019-02-18 | 2019-05-03 | 正丰源生物科技（苏州）有限公司 | A kind of Australia Big Lobster thermostatical circulating water cultivating system |
| CN110800594A (en) * | 2019-12-12 | 2020-02-18 | 厦门理工学院 | Prawn culture method |
| CN111328744A (en) * | 2020-04-24 | 2020-06-26 | 中国海洋大学 | Device and method for cultivating hemifusus litchis metamorphosis larvae and hemifusus litchis |
| CN111557259A (en) * | 2020-05-14 | 2020-08-21 | 郑家雄 | Three-dimensional multi-layer multi-section shrimp farming integrated system and farming method |
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| CN112369360B (en) * | 2020-11-30 | 2023-05-23 | 浙江省海洋水产养殖研究所 | Automatic feeding device for prawn offspring cultivation and operation method |
| CN112568158B (en) * | 2020-12-09 | 2022-02-22 | 中国水产科学研究院黄海水产研究所 | Green pollution-free culture method for stichopus japonicus, penaeus japonicus, portunus trituberculatus and ulva |
| CN115024250B (en) * | 2022-06-07 | 2023-06-06 | 中国水产科学研究院东海水产研究所 | Bait-saving and labor-saving feeding method for large-scale cultivation of middle-large-size sea horses |
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