CN108323458A - The indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling - Google Patents
The indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling Download PDFInfo
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 57
- 230000000366 juvenile effect Effects 0.000 claims abstract description 44
- 238000009360 aquaculture Methods 0.000 claims abstract description 35
- 244000144974 aquaculture Species 0.000 claims abstract description 35
- 235000013305 food Nutrition 0.000 claims abstract description 34
- 238000007667 floating Methods 0.000 claims abstract description 24
- 235000021401 pellet diet Nutrition 0.000 claims abstract description 24
- 238000009395 breeding Methods 0.000 claims abstract description 16
- 230000001488 breeding effect Effects 0.000 claims abstract description 16
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- 239000010985 leather Substances 0.000 claims description 6
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- 235000019784 crude fat Nutrition 0.000 claims description 4
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- 230000000384 rearing effect Effects 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 239000004155 Chlorine dioxide Substances 0.000 claims description 2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
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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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- Fodder In General (AREA)
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Abstract
The present invention relates to aquaculture fields, the indoor high-density cultural method of specifically a kind of Scatophagus argus (Linnaeus) current year fingerling, prepared by cultivation, seed seine counts, seed transport and dispensing, bait management, water quality management, seine capture form, it is that Scatophagus argus (Linnaeus) current year fingerling high-density breeding is carried out using indoor cement pit, breeding water is river mouth brackish water, the juvenile fish for having turned to eat eel feed of artificial breeding is transported to indoor cement pit, specification body grows 1.3~1.5cm, and cultivation density is 300 400 tails/m2, the long 3cm or less of body feeds eel feed, and the long 3cm of body starts to turn a food floating pellet diet, and water, sediment upturning are changed, specification body grows the current year fingerling of 4~5cm or more, you can seine capture is transferred to pond and carries out cultivation in the clear bottom of soil pick-up on time during cultivation in time.The survival rate that indoor high-density of the present invention cultivates 181 days is 80% 85%, filled up current year fingerling indoor intensive, large-scale production technological gap.
Description
Technical field
The present invention relates to aquaculture fields, specifically, being a kind of indoor high-density cultivation of Scatophagus argus (Linnaeus) current year fingerling
Method.
Background technology
Scatophagus argus (Linnaeus) (Scatophagus argus) also known as gold drum fish.Belong to spoke fin net-rope, Perciformes, Acanthuroidei, gold
Money Gyrinocheilidae, Scatophagus argus (Linnaeus) category.China is distributed in southern East China Sea to the South Sea and North Sea region.Scatophagus argus (Linnaeus) delicious flavour, while because of body
Table has a money spot, has ornamental value, is a kind of rare edible and fancy fishes.Due to Scatophagus argus (Linnaeus) environmental suitability and disease-resistant anti-
Inverse property is extremely strong, can not only the growth and development in seawater and salt-fresh water, and be also suitable for cultivating in fresh water, in recent years, become China
The coastal important breed variety in south.
However Scatophagus argus (Linnaeus) seed depends almost entirely upon sea and catches at present, it is irregular (0.5-2.0cm) that specification is caught in sea, by fishery
Influence is caught in environmental pollution and year after year sea, and sea catches that seed supply is unstable, and the current year fingerling that raiser can not obtain batch carries out people
Work cultivates, and existing solution is that seed is caught in sea diversified in specifications to be transported to pond temporarily support mark thick, is waited for long to a set pattern
Seine screening is carried out after lattice again, the current year fingerling of neat specification is selected to be cultivated.This method has some shortcomings：1) seed is caught in sea
Specification and quality are irregular, can not be estimated in the temporary rearing process of pond and deposit pond amount, and the protection that breeding production is normally carried out is poor；
2) it is be easy to cause seed mechanical damage in transhipment and the repeatedly operating process of seine screening are caught in sea, survival rate gives a discount layer by layer, damage
It consumes larger；3) Scatophagus argus (Linnaeus) cluster and mobility is strong, seine network access ratio is low, need to repeatedly draw in the net to operate, not only expend the time and
Manpower, and low production efficiency.
2017, Shanghai Aquatic Product Institute realized the breakthrough of Scatophagus argus (Linnaeus) indoors artificial raising technology, can obtain in batches
Scatophagus argus (Linnaeus) seed needs to research and develop a kind of indoor culture technology can manufacture Scatophagus argus (Linnaeus) current year fingerling, fill up on this basis
The blank of Scatophagus argus (Linnaeus) prime fish kind cultural technique solves the problems, such as the technical bottleneck and supply short slab of existing current year fingerling, for cultivation
The continual and steady offer neat specification in family, the good Scatophagus argus (Linnaeus) current year fingerling of vigor.
Invention content
The purpose of the present invention is to provide a kind of indoor high-density cultural methods of Scatophagus argus (Linnaeus) current year fingerling.
To achieve the goals above, the present invention provides a kind of indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling, by
Cultivation prepares, seed seine counts, seed transports and dispensing, bait management, water quality management, seine capture composition, is to use room
Interior cement pit carries out Scatophagus argus (Linnaeus) current year fingerling high-density breeding as aquaculture pond, and breeding water is river mouth brackish water, by artificial breeding
The juvenile fish for having turned to eat eel feed educated is transported to indoor cement pit, and specification body grows 1.3~1.5cm, cultivation density 300-400
Tail/m2, the long 3cm or less of body feeds eel feed, and the long 3cm of body starts to turn a food floating pellet diet, and soil pick-up is clear on time during cultivation
Bottom, changes water, sediment upturning in time, and specification body grows the current year fingerling of 4~5cm or more, you can seine capture is transferred to pond and carries out cultivation.
Preferably, include the following steps：
A) cultivation prepares：Interior length square water mud sump collects as prime fish kind aquaculture pond, net cage and puts pond, and area 16~
20m2；Net cage made of 20 mesh sieve tulles is 90cm × 60cm × 40cm for counting and temporarily supporting juvenile fish, cage size；Cultivation is used
Water is estuarine water；Seed cultivation pool, aquaculture pond, net cage collect 20~31 DEG C of water temperature for putting pond, salinity 2~12 when launching juvenile fish；
B) seed seine counts：Juvenile fish is transported to aquaculture pond from seed cultivation pool and is cultivated, seed rearing before transporting
Pool water level is reduced to 40cm, with the formalin dipping 40min of 20ppm, is drawn in the net with the soft bolting silk net of 20 mesh, and both sides are not when seine
Pool wall is pasted, infraclass does not paste pool wall when hauling, and slow hauling makes juvenile fish concentrate naturally, and purse seine is kept from the water surface 5~10cm depths, with 20
The soft nylon circle diddle-net of mesh collects Scatophagus argus (Linnaeus) juvenile fish, collects Scatophagus argus (Linnaeus) juvenile fish and is put into net cage, temporarily supports 15~30min, temporarily support
Density is the tail of each net cage 1.5~2.0 ten thousand, and strainer spoon is drawn a design counting；
C) seed transport and dispensing：Scatophagus argus (Linnaeus) juvenile fish is transported with strainer spoon to transporting bucket, 200~300 tail of traffic density/
L, in 1~2min hereinafter, when putting juvenile fish, transport bucket spends region close to aquaculture pond gas exhausting stone flashing, is put into for haulage time control
Aquaculture pond simultaneously returns full water, so that most juvenile fish is swum out of naturally, is not dehydrated finally and pours out all transhipment juvenile fish, juvenile fish launches rule
Lattice body grows 1.3~1.5cm, has turned to eat eel feed, 300~400 tails of cultivation density/m2；
D) bait management：The long 3cm or less of body feeds eel feed, respectively feeds in every morning, afternoon 1 time；The long 3cm or more of body
Start to draw food floating pellet diet, floating pellet diet 1.7~2.0mm of grain size feeds 5~10g every time, draws food for the first time and always feeds
Amount draws food and continues 5 days less than the 10% of first time on same day eel feed feeding volume, draws the total feeding volume of food and is incremented by daily, but is not high
Stopping feeds eel feed from the 20% of first time on same day eel feed feeding volume, the 6th day, directly feeds the feeding of buoyancy particle
Material, respectively feeds in every morning, afternoon 1 time；
E) water quality management：During cultivation, the clear bottom of daily soil pick-up 1 time changes water 2 times in every 7 days, changes water 3/4 every time, turns within every 21 days
Pond 1 time, pulling method of the seed seine operation with juvenile fish in step b when sediment upturning；
F) seine capture：Specification body grows the current year fingerling of 4~5cm or more, you can seine capture is transferred to pond development and supports
It grows, seine capture uses 15 mesh leather strap nets, pulling method of the seine operation with juvenile fish in step b.
Preferably, prime fish kind aquaculture pond expires water immersion using the preceding calcium hypochlorite with 25~30ppm in the step a
1~2 day, full pond clear water impregnated and is aerated removal chlorine residue after cleaning up, and is dried after cleaning up again 2 days or more；Aquaculture pond
Per 0.8m when use2Arrange that 1 gas exhausting stone, continuous charge are in wavy.
Preferably, breeding water using preceding through 2 days aeration and sedimentations of cistern, through 130 mesh sieve by when use in the step a
Tulle filters.
Preferably, dip net diameter 20cm, deep 10cm in the step b；Strainer spoon band 20 mesh of handle, 5~8cm of diameter, deep 3
~4cm.
Preferably, bucket volume 10L, dress water 5L are transported in the step c.
Preferably, the eel feed in the step c and d is the eel of Changshu Quan Xing nourishing additive agents Co., Ltd production
Fish powdery compound feed, thick protein >=45%, crude fibre≤3%, crude fat >=3%, coarse ash≤18%.
Preferably, the floating pellet diet in the step d is the fish of Zhejiang Ming Hui feed corporation,Ltds production
Expanding compound feed, model 9930, thick protein >=40%, crude fibre≤4%, crude fat >=6%, coarse ash≤15%.
Preferably, in the step d：The long 3cm or less of body feeds eel feed, and eel feed is with water with 1:1 ratio
It is uniformly mixed, flat eel feed cake is made, in the square bait table for launching the length of side 50cm made of leather strap net, each
Bait table launches 3~5 eel feed cakes, and it is 30~40cm that bait table, which places depth, and 1 bait is respectively arranged in aquaculture pond quadrangle
Platform, every morning 8:00, afternoon 2:00 respectively feeds 1 time, afternoon 5:00 removes residual bait in bait table, and bait table is withdrawn from pond simultaneously
Cleaning.
Preferably, in the step d：The long 3cm or more of body starts to draw food floating pellet diet, floating pellet diet grain size
1.7~2.0mm draws sea eel material feeding volume in the food phase and does not reduce, in the intermittent phase that daytime, sea eel material was fed twice, feeds for the first time
Sea eel material carries out drawing food after having eaten, and floating pellet diet is fed above bait table when drawing food, draw food feeding volume be it is a small amount of repeatedly,
5~10g is fed every time, draws the total feeding volume of food for the first time and is less than the 10% of first time on same day sea eel material feeding volume, draw food and continue 5 days,
Draw the total feeding volume of food to be daily incremented by, but not higher than the 20%, the 6th day of first time on same day sea eel material feeding volume from stopping feed sea eel
Material, withdraws bait table, directly feeds floating pellet diet, and it is unrestricted to feed region in aquaculture pond, every morning 8:00, afternoon
2:00 respectively feeds 1 time, afternoon 5:00 removes residual bait in aquaculture pond.
Preferably, in the step d：Throw eel feed stage, 25~28 DEG C of water temperature, weight 2g or less, day feeding rate
It is 7.5%~10.0%, 28~30 DEG C of water temperature, 2~5g of weight, day feeding rate are 5.0%~7.5%；Throw floating pellet diet
Stage, 28~30 DEG C of water temperature, 5~7g of weight, day feeding rate are 2.5%~3.5%, 24~28 DEG C of water temperature, 7~10g of weight, day
Feeding rate is 2.0%~2.5%, and 20~24 DEG C of water temperature, 11~15g of weight, day feeding rate are 1.0%~1.5%.
Preferably, in the step e：Every time change water or sediment upturning after, aquaculture pond with 1ppm effective contents be 10% two
Chlorine monoxid preparation sterilizing；Seed seine operates same juvenile fish when sediment upturning, with 10L transport bucket transhipments, with bucket in purse seine when transhipment
Middle band water dips fingerling, and 30~50 tails when 50~80 tails/L when traffic density is average weight 5g or less, 5~10g of average weight/
10~15 tails/L when L, 10~15g of average weight, haulage time are controlled in 1min or less.
Preferably, in the step f：It under the conditions of 26~30 DEG C of water temperature, was cultivated through 100 days, current year fingerling can be grown to
Body grows 4~5cm, 4~6g of weight, cultivation survival rate 82%~88%；It under the conditions of 20~31 DEG C of water temperature, was cultivated through 150 days, current year
Fingerling can grow to body and grow 5~6cm, weight 10g or more, cultivation survival rate 80%~85%.
The invention has the advantages that：
1, prime fish kind cultivation density (the 300-400 tails/m of this method2) be apparently higher than pond culture density (25-30 tails/
m2), cultivation survival rate (80%-85%) is higher than pond culture (60%-70%)；
2, the current year fingerling specification of this method cultivation is uniform, and body is long, Body Weight Variation coefficient is small, the fish cultivated with pond culture
Kind specification polarization is compared, and goes out pond without screening, since cement pit is taken exercise through multiple seine sediment upturning indoors, environmental stress is suitable
Should be able to power it is strong, high in seine transit link survival rate, loss is few；
3, a kind of Scatophagus argus (Linnaeus) current year fingerling indoor high-density cultural technique scheme is provided, current year fingerling room Nei Ji has been filled up
Reduction, large-scale production technological gap saved breeding water compared with pond culture, saved breeding spaces, more saved
It can environmental protection；
4, the offer of sustainable stabilization meets the fingerling of raiser's specification demands, is conducive to raiser and carries out cultivation planning,
Reduce cultivation indirect cost.The present invention is easy to operate, is easy to be accepted and promote.
Specific implementation mode
It elaborates to specific implementation mode provided by the invention with reference to embodiment.
Embodiment 1：
The indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling of the present invention, technical solution is by cultivation preparation, seedling
Kind seine counts, seed transport and dispensing, bait management, water quality management, seine capture composition, specifically includes following steps：
Cultivation prepares：Before cultivation is carried out, rectangle cement pit is put as prime fish kind aquaculture pond, net cage village in preparation room
Pond, 16~20m of area2, expire water using the preceding calcium hypochlorite with 25~30ppm and impregnates 1~2 day, full pond clear water after cleaning up
Impregnate and be aerated removal chlorine residue, dried after cleaning up again 2 days or more it is spare, prepare 20 mesh sieve tulles made of net cage be used for
It counts and temporarily foster juvenile fish, cage size is 90cm × 60cm × 40cm, breeding water is estuarine water, 20~31 DEG C of water temperature, salinity 2
~12, using preceding through 2 days aeration and sedimentations of cistern, when use, filters through 130 mesh sieve tulles, per 0.8m when aquaculture pond uses2Cloth
1 gas exhausting stone is set, continuous charge is in wavy, and seed cultivation pool, aquaculture pond, net cage collect water temperature, the salt for putting pond when launching juvenile fish
It spends identical；
Seed seine counts：Juvenile fish is transported to aquaculture pond from seed cultivation pool and is cultivated, seed cultivation pool before transporting
Water level is reduced to 40cm, with the formalin of 20ppm (containing 37%~40% formaldehyde) dipping 40min, with the soft bolting silk net of 20 mesh
Seine, pool wall is not pasted on both sides when seine, and infraclass does not paste pool wall when hauling, and slow hauling makes juvenile fish concentrate naturally, purse seine keep from
5~10cm of the water surface is deep, collects Scatophagus argus (Linnaeus) juvenile fish with the soft nylon circle diddle-net of 20 mesh, dip net diameter 20cm, deep 10cm, collects gold
Money fish juvenile fish is put into net cage, temporarily supports 15~30min, and temporarily foster density is the tail of each net cage 1.5~2.0 ten thousand, with band 20 mesh of handle, directly
The strainer spoon of 5~8cm of diameter, deep 3~4cm are drawn a design counting；
Seed is transported and launches：Scatophagus argus (Linnaeus) juvenile fish is transported to bucket is transported with strainer spoon, is transported bucket volume 10L, is filled water
5L, 200~300 tails of traffic density/L, haulage time control is in 1~2min hereinafter, when putting juvenile fish, and transport bucket is close to aquaculture pond
Gas exhausting stone flashing spends region, is put into aquaculture pond and returns full water, so that most juvenile fish is swum out of naturally, be not dehydrated finally and pour out institute
There are transhipment juvenile fish, juvenile fish to launch specification body and grow 1.3~1.5cm, has turned to eat eel feed, 300~400 tails of cultivation density/m2；
Bait management：The long 3cm or less of body feeds eel feed, and eel feed is with water with 1:1 ratio is uniformly mixed, and is made
Flat eel feed cake, in the square bait table for launching the length of side 50cm made of leather strap net, each bait table launches 3~
5 eel feed cakes, it is 30~40cm that bait table, which places depth, and 1 bait table, every morning 8 is respectively arranged in aquaculture pond quadrangle:
00, afternoon 2:00 respectively feeds 1 time, afternoon 5:00 removes residual bait in bait table, and bait table is withdrawn from pond and cleaned, the long 3cm of body
Start to draw food floating pellet diet above, floating pellet diet 1.7~2.0mm of grain size draws sea eel material feeding volume in the food phase and do not subtract
It is few, in the intermittent phase that daytime, sea eel material was fed twice, feeds carry out drawing food after sea eel material has been eaten for the first time, buoyancy particle when drawing food
For feedstuff feeding above bait table, it is a small amount of multiple to draw food feeding volume, feeds 5~10g every time, draws the total feeding volume of food for the first time and is less than
The 10% of first time on same day sea eel material feeding volume draws food and continues 5 days, draws the total feeding volume of food and is incremented by daily, but not higher than the same day the
The 20% of sea eel material feeding volume, from the 6th day stopping feed sea eel material, withdraw bait table, directly feed floating pellet diet,
It is unrestricted that region is fed in aquaculture pond, every morning 8:00, afternoon 2:00 respectively feeds 1 time, afternoon 5:00 removes in aquaculture pond
Residual bait is thrown the eel feed stage, and 25~28 DEG C of water temperature, weight 2g or less, day feeding rate are 7.5%~10.0%, and water temperature 28~
30 DEG C, 2~5g of weight, day feeding rate be 5.0%~7.5%, throw the floating pellet diet stage, 28~30 DEG C of water temperature, weight 5~
7g, day feeding rate are 2.5%~3.5%, and 24~28 DEG C of water temperature, 7~10g of weight, day feeding rate are 2.0%~2.5%, water temperature
20~24 DEG C, 11~15g of weight, day feeding rate be 1.0%~1.5%；
Water quality management：During cultivation, the clear bottom of daily soil pick-up 1 time changes water 2 times in every 7 days, changes water 3/4, every 21 days sediment upturnings every time
1 time, after changing water or sediment upturning every time, the chlorine dioxide preparation sterilizing that aquaculture pond is 10% with 1ppm effective contents, seed when sediment upturning
Seine operates same juvenile fish, and with 10L transport bucket transhipments, when transhipment, with bucket, band water dips fingerling in purse seine, and traffic density is
10~15 when 30~50 tails/L when 50~80 tails/L when average weight 5g or less, 5~10g of average weight, 10~15g of average weight
Tail/L, haulage time are controlled in 1min or less；
Seine capture：It under the conditions of 26~30 DEG C of water temperature, was cultivated through 100 days, current year fingerling can grow to body and grow 4~5cm, body
Weigh 4~6g, cultivation survival rate 82%~88% under the conditions of 20~31 DEG C of water temperature, cultivated, current year fingerling can be grown to through 150 days
Body grows 5~6cm, weight 10g or more, cultivation survival rate 80%~85%, and specification body grows the current year fingerling of 4~5cm or more, you can
Seine capture is transferred to pond and carries out cultivation, and seine capture uses 15 mesh leather strap nets, seine to operate same juvenile fish.
Embodiment 2：
Using the method for embodiment 1, Shanghai Aquatic Product Institute Fengxian scientific base was opened in 2017 in No. 4 407 ponds of canopy
The cultivation of Scatophagus argus (Linnaeus) current year fingerling indoor high-density, initial specification are opened up：Body grows 1.68 ± 0.23cm, 0.34 ± 0.13g of weight, just
Beginning cultivation density is 375 tails/m2, 181 days culture-cycles, current year fingerling specification when harvesting：Body grows 6.67 ± 0.54cm, weight
15.49 ± 3.69g, cultivation survival rate 85.8%, feed coefficient 1.52.
Embodiment 3：
Using the method for embodiment 1, Shanghai Aquatic Product Institute Fengxian scientific base was opened in 2017 in No. 4 408 ponds of canopy
The cultivation of Scatophagus argus (Linnaeus) current year fingerling indoor high-density, initial specification are opened up：Body grows 1.68 ± 0.23cm, 0.34 ± 0.13g of weight, just
Beginning cultivation density is 312 tails/m2, 181 days culture-cycles, current year fingerling specification when harvesting：Body grows 6.40 ± 0.99cm, weight
13.60 ± 6.45g, cultivation survival rate 80.5%, feed coefficient 1.76.
Embodiment 4：
Using the method for embodiment 1, Shanghai Aquatic Product Institute Fengxian scientific base was opened in 2017 in No. 4 409 ponds of canopy
The cultivation of Scatophagus argus (Linnaeus) current year fingerling indoor high-density, initial specification are opened up：Body grows 1.68 ± 0.23cm, 0.34 ± 0.13g of weight, just
Beginning cultivation density is 312 tails/m2, 181 days culture-cycles, current year fingerling specification when harvesting：Body grows 6.62 ± 0.75cm, weight
15.25 ± 5.58g, cultivation survival rate 84.6%, feed coefficient 1.55.
The preferred embodiment of the invention is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent under the premise of without prejudice to the invention spirit
Modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling, which is characterized in that prepared by cultivation, seed seine meter
Number, seed transport and dispensings, bait management, water quality management, seine capture composition, be using interior cement pit as aquaculture pond into
Row Scatophagus argus (Linnaeus) current year fingerling high-density breeding, breeding water are river mouth brackish water, by artificial breeding turned eat eel feed
Juvenile fish is transported to indoor cement pit, and specification body grows 1.3~1.5cm, and cultivation density is 300-400 tails/m2, the long 3cm or less of body throws
Eel feed is fed, the long 3cm of body starts to turn a food floating pellet diet, and water, sediment upturning are changed in the clear bottom of soil pick-up on time during cultivation in time, advise
Lattice body grows the current year fingerling of 4~5cm or more, you can seine capture is transferred to pond and carries out cultivation.
2. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 1, which is characterized in that including with
Lower step：
A) cultivation prepares：Interior length square water mud sump puts pond, 16~20m of area as prime fish kind aquaculture pond, net cage village2；20 mesh
Net cage made of bolting silk net is 90cm × 60cm × 40cm for counting and temporarily supporting juvenile fish, cage size；Breeding water is river mouth
Water；Seed cultivation pool, aquaculture pond, net cage collect 20~31 DEG C of water temperature for putting pond, salinity 2~12 when launching juvenile fish；
B) seed seine counts：Juvenile fish is transported to aquaculture pond from seed cultivation pool and is cultivated, seed rearing water before transporting
Potential drop with the formalin dipping 40min of 20ppm, is drawn in the net with the soft bolting silk net of 20 mesh down to 40cm, the both sides ponds Bu Tie when seine
Wall, infraclass does not paste pool wall when hauling, and slow hauling makes juvenile fish concentrate naturally, and purse seine keeps deep from 5~10cm of the water surface, soft with 20 mesh
Property nylon circle diddle-net collect Scatophagus argus (Linnaeus) juvenile fish, collect Scatophagus argus (Linnaeus) juvenile fish be put into net cage, temporarily support 15~30min, temporarily support density
For the tail of each net cage 1.5~2.0 ten thousand, strainer spoon is drawn a design counting；
C) seed transport and dispensing：Scatophagus argus (Linnaeus) juvenile fish is transported with strainer spoon to transport to bucket, 200~300 tails of traffic density/L are transported
For defeated time control in 1~2min hereinafter, when putting juvenile fish, transport bucket spends region close to aquaculture pond gas exhausting stone flashing, is put into cultivation
Full water is simultaneously returned in pond, so that most juvenile fish is swum out of naturally, is not dehydrated finally and pours out all transhipment juvenile fish, juvenile fish launches specification body
Long 1.3~1.5cm has turned to eat eel feed, 300~400 tails of cultivation density/m2；
D) bait management：The long 3cm or less of body feeds eel feed, respectively feeds in every morning, afternoon 1 time；The long 3cm or more of body starts
Draw food floating pellet diet, floating pellet diet 1.7~2.0mm of grain size feeds 5~10g every time, and it is low to draw the total feeding volume of food for the first time
In the 10% of first time on same day eel feed feeding volume, draw food and continue 5 days, draws the total feeding volume of food and be incremented by daily, but be not higher than and work as
The 20% of its first time eel feed feeding volume, from the 6th day stopping feed eel feed, directly feed floating pellet diet, often
It respectively feeds in its morning, afternoon 1 time；
E) water quality management：During cultivation, the clear bottom of daily soil pick-up 1 time changes water 2 times in every 7 days, changes water 3/4, every 21 days sediment upturnings 1 every time
It is secondary, pulling method of the seed seine operation with juvenile fish in step b when sediment upturning；
F) seine capture：Specification body grows the current year fingerling of 4~5cm or more, you can seine capture is transferred to pond and carries out cultivation, draws
Net capture uses 15 mesh leather strap nets, pulling method of the seine operation with juvenile fish in step b.
3. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
Prime fish kind aquaculture pond is expired water using the preceding calcium hypochlorite with 25~30ppm and is impregnated 1~2 day in step a, cleans up Hou Manchi
Clear water impregnates and is aerated removal chlorine residue, is dried after cleaning up again 2 days or more；Per 0.8m when aquaculture pond uses2Arrangement 1 dissipates
Gas stone, continuous charge are in wavy；Using preceding through 2 days aeration and sedimentations of cistern, when use, sieves through 130 mesh for the breeding water
Tulle filters.
4. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
Dip net diameter 20cm, deep 10cm in step b；Strainer spoon band 20 mesh of handle, 5~8cm of diameter, deep 3~4cm.
5. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
Bucket volume 10L, dress water 5L are transported in step c.
6. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
Eel feed in step c and d is the sea eel powdery compound feed of Changshu Quan Xing nourishing additive agents Co., Ltd production, crude protein
Matter >=45%, crude fibre≤3%, crude fat >=3%, coarse ash≤18%；Floating pellet diet in the step d is Zhejiang
The fish expanding compound feed of Jiang Minghui feed corporation,Ltds production, model 9930, thick protein >=40%, crude fibre≤
4%, crude fat >=6%, coarse ash≤15%.
7. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
In step d：The long 3cm or less of body feeds eel feed, and eel feed is with water with 1:1 ratio is uniformly mixed, and flat eel is made
Fish meal cake, in the square bait table for launching the length of side 50cm made of leather strap net, each bait table launches 3~5 sea eels
Cattle cake, it is 30~40cm that bait table, which places depth, and 1 bait table, every morning 8 is respectively arranged in aquaculture pond quadrangle:00, afternoon 2:
00 respectively feeds 1 time, afternoon 5:00 removes residual bait in bait table, and bait table is withdrawn from pond and cleaned.
8. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
In step d：The long 3cm or more of body starts to draw food floating pellet diet, and floating pellet diet 1.7~2.0mm of grain size draws eel in the food phase
Fish material feeding volume is not reduced, and in the intermittent phase that daytime, sea eel material was fed twice, is fed for the first time after sea eel material has been eaten and is carried out drawing food,
Floating pellet diet is fed above bait table when drawing food, and it is a small amount of multiple to draw food feeding volume, feeds 5~10g every time, draws for the first time
Total feeding volume is less than first time on same day sea eel material feeding volume 10% is eaten, draws food and continues 5 days, draws the total feeding volume of food and is incremented by daily,
But stopping feeds sea eel material from not higher than the 20%, the 6th day of first time on same day sea eel material feeding volume, withdraws bait table, directly throws
Floating pellet diet is fed, it is unrestricted to feed region in aquaculture pond, every morning 8:00, afternoon 2:00 respectively feeds 1 time, afternoon 5:
00 removes residual bait in aquaculture pond.
9. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
In step d：It throws the eel feed stage, 25~28 DEG C of water temperature, weight 2g or less, day feeding rate are 7.5%~10.0%, water temperature 28
~30 DEG C, 2~5g of weight, day feeding rate be 5.0%~7.5%；Throw floating pellet diet stage, 28~30 DEG C of water temperature, weight 5
~7g, day feeding rate are 2.5%~3.5%, and 24~28 DEG C of water temperature, 7~10g of weight, day feeding rate are 2.0%~2.5%, water
20~24 DEG C of temperature, 11~15g of weight, day feeding rate are 1.0%~1.5%.
10. the indoor high-density cultural method of Scatophagus argus (Linnaeus) current year fingerling according to claim 2, which is characterized in that described
Step e in：Every time change water or sediment upturning after, aquaculture pond with 1ppm effective contents be 10% chlorine dioxide preparation sterilizing；Sediment upturning
When seed seine operate same juvenile fish, with 10L transport bucket transhipments, when transhipment, with bucket, band water dips fingerling in purse seine, transports
When 30~50 tails/L when 50~80 tails/L when density is average weight 5g or less, 5~10g of average weight, 10~15g of average weight
10~15 tails/L, haulage time are controlled in 1min or less.
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