CN106804498A - A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond - Google Patents
A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond Download PDFInfo
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- CN106804498A CN106804498A CN201710067497.2A CN201710067497A CN106804498A CN 106804498 A CN106804498 A CN 106804498A CN 201710067497 A CN201710067497 A CN 201710067497A CN 106804498 A CN106804498 A CN 106804498A
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Abstract
The invention discloses a kind of high-density breeding method of the new oppossum shrimp in east in Portunus trituberculatus Miers culture pond, on the basis of existing swimming crab aquaculture model, the high-density breeding of the new oppossum shrimp in east and the cultivation of japonicus are combined, cultivated using Portunus trituberculatus Miers culture pond, Portunus trituberculatus Miers cultivation can all feed substantial amounts of iced trash fish and be ingested for it daily.Iced trash fish and swimming crab dead individuals serve not only as humus for the growth of oppossum shrimp, japonicus provides direct food source, and the diet biomass that can be enriched as nutritive salt in water body meets the demand of ingesting of oppossum shrimp, japonicus indirectly.The present invention neither influences the yield of original breed variety, and the purpose of the new oppossum shrimp in High Density Cultivation east can be reached again, enables the new oppossum shrimp in east that the advantage of its high-quality living bait is played in the nursery of diversified economy fish, lifts the level of whole nursery industry.
Description
Technical field
The present invention relates to technical field of aquaculture, more particularly to a kind of new oppossum shrimp in east is in Portunus trituberculatus Miers culture pond
High-density breeding method.
Background technology
The new oppossum shrimp in east(Neomysis orientalis)It is under the jurisdiction of Arthropoda(Arthropoda), Crustachia
(Crustacea), Malacostraca(Malacostraca), Mysidacea(Mysidacea), oppossum shrimp section(Mysidae), Neomysis
(Neomysis).It is distributed widely in coastal area of china, particularly coastal salt-fresh water marine site is especially common.The new oppossum shrimp in east has wide
Temperature, eurysalinity;Category omnivorousness type, can both filter food unicellular alga, wheel animalcule, artemia cysts, Copepods and cladocera, can also ingest
Organic debris and tiny organism, or even can ingest more than the arrow worms of its body several times;Can be between benthon and planktonic organism
Tie is formed, is also the important component of marine organisms chain in some waters.The new oppossum shrimp nutritive value in east is very high, containing rich
Rich protein, lipid and various trace elements, can not only eat raw, be fermented into shrimp paste and shrimp sauce, even more diversified economy aquatic products
Animal(Large yellow croaker, grouper, turbot, lefteye flounder, Fugu, porgy, hippocampus, river crab megalops larva, Sepiella maindroni etc.)
High-quality living bait.
At present, only by naturally fishing for, quantity of the catch is little and unstable, it is difficult to meet various for the acquisition of the new oppossum shrimp in east
To demand that it is largely ingested in economic fish seedling raising process;Just because of this, in fact in the seedling raising process of diversified economy fish
Also the use to oppossum shrimp is abandoned.And production practices are proved(Such as Sepiella maindroni), the new oppossum shrimp in east can at least improve seedling
Survival rate more than 50% is planted, it is unquestionable for lifting the nursery success rate of aquatic livestock.
Zhoushan Region Portunus trituberculatus Miers cultivation is more.Therefore, how on the basis of existing aquaculture model, a kind of east is set up
The method of the new oppossum shrimp High Density Cultivation in side, neither influences the yield of original breed variety, High Density Cultivation east can be reached again new
The purpose of oppossum shrimp, enables the new oppossum shrimp in east that the advantage of its high-quality living bait is played in the nursery of diversified economy fish, lifting
The level of whole nursery industry, the problem as urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of high-density breeding side of the new oppossum shrimp in east in Portunus trituberculatus Miers culture pond
Method, neither influences the yield of original breed variety, and the purpose of the new oppossum shrimp in High Density Cultivation east can be reached again, makes the new oppossum shrimp in east
The advantage of its high-quality living bait can be played in the nursery of diversified economy fish, the level of whole nursery industry is lifted.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond, comprises the following steps:
(1)The preparation of culture pond:Raised together with using Portunus trituberculatus Miers culture pond, before Portunus trituberculatus Miers cloth seedling, Jiang Tangshui
Drain and continue exposure after rinsing desilting with giant;50~80cm of culture pond water inlet before cultivation, with the drift of 80~120ppm
White powder is sterilized, and the wall of culture pond four sterilization of splashing, and sterilization completes backward culture pond and injects fresh seawater to 1.5~2 meters of the depth of water;Cause
Oppossum shrimp culture is to utilize Portunus trituberculatus Miers culture pond, so the sterilization of culture pond will not only meet Portunus trituberculatus Miers nursery needs,
More to take into account the culture demand of later stage oppossum shrimp.After the completion of sterilization, water level adds to 1.5~2 meters or so, and now water level need not be added to
Highest, it is main adding based on new water before June.
(2)Seed is delivered:Annual May delivers Portunus trituberculatus Miers seedling to culture pond, and Portunus trituberculatus Miers seedling injected volume is every
Mu 2000~3500;August part delivers japonicus seedling, and japonicus seedling injected volume is every mu 10,000~1.2 ten thousand tails;September part connects
The new oppossum shrimp in east is planted, inoculum density is 0.5~1kg/ mus of meter Shui Ti;
(3)Feed management:
Portunus trituberculatus Miers feeds mode:Fed with the mixture of artifical compound feed using wild fishes, respectively fed sooner or later
Once, it is the 8~10% of Portunus trituberculatus Miers gross weight to put seedling to July daily feeding volume, and 8~October daily feeding volume is three wart shuttles
The 10~15% of sub- crab gross weight, daily feeding volume is the 3~5% of Portunus trituberculatus Miers gross weight from November, until water temperature is less than 8 DEG C
Stopping feeds;
During the new oppossum shrimp in east cultivates, every 5~7 days to culture pond deliver Penaeus Vannmei artifical compound feed, water transfer it is precious and
Probiotics, Penaeus Vannmei artifical compound feed injected volume is 1~1.5kg/ mus, and water transfer treasured injected volume is 0.5~1kg/ mus, benefit
Raw bacterium injected volume is 0.2~0.5kg/ mus.Because oppossum shrimp likes ingest unicellular alga, wheel animalcule, Copepods etc., so operation keeps
The food organisms of the good water quality of culture pond and abundance.Typically, every 5~7 days, to being splashed in culture pond, Penaeus Vannmei coordinates
The microorganism formulation such as feed and water transfer treasured, probiotics, it is ensured that sufficient nutritive salt supply, good water colour in maintenance pond.
The present invention on the basis of existing swimming crab aquaculture model, by the high-density breeding and japonicus of the new oppossum shrimp in east
Cultivation be combined, using Portunus trituberculatus Miers culture pond cultivate, Portunus trituberculatus Miers cultivation daily can all feed it is substantial amounts of fresh miscellaneous
Fish ingests for it.Iced trash fish and swimming crab dead individuals serve not only as humus for the growth of oppossum shrimp, japonicus is provided
Direct food source, and the diet biomass that can be enriched as nutritive salt in water body meets oppossum shrimp, japonicus indirectly
Demand of ingesting.Can effectively improve Portunus trituberculatus Miers cultivation farming site and bait utilization rate, and oppossum shrimp, japonicus,
Swimming crab three raises together with and is independent of each other, and does not have competitive relation, and culturing economic is good, and resource makes full use of.New oppossum shrimp connects in east
Kind of time should be selected in September part, and oppossum shrimp mating period in autumn, not only easily fishes at a time when this, and oppossum shrimp can be after after inoculation
Continuous breeding;Portunus trituberculatus Miers now up to 2 liang or so, deliver by the inoculation oppossum shrimp of the build only 1cm or so that will not ingest, August part
Japonicus seedling will not also influence with Portunus trituberculatus Miers, be also independent of each other between the new oppossum shrimp of japonicus and east.Japonicus
It is to make full use of resource to supplement cultivation, demand being met by need not additionally feeding feed during raising together with.The new oppossum shrimp in east
Phototaxis is strong, it is possible to use phototaxis is traped, and japonicus phototaxis is not strong, and jump power is extremely strong, therefore avoids capture
Situation about capturing japonicus in the lump during oppossum shrimp occurs.The new oppossum shrimp reproduction speed ratio in east is very fast, after certain scale to be achieved,
The daily catching portion from culture pond can be continued with feeding economic fish(During such as Sepiella maindroni winter nursery, November
Part will start the oppossum shrimp that ingests), as living bait.The present invention covers in Portunus trituberculatus Miers culture pond and supports the new oppossum shrimp in east and Japan
Prawn, sufficient supply, the artificial adjustment of water quality, the meticulous labor management of bait during being cultivated using Portunus trituberculatus Miers, and tie
The fast biological characteristics of the new oppossum shrimp reproduction speed in east is closed, the purpose of the new oppossum shrimp High Density Cultivation in east is reached.
Preferably, the substrate of culture pond is argillo arenaceous soil, the wall of culture pond four is cement bank protection, culture pond for square, four
Angle is in circular arc, and 5 mu of culture pond area, the pool is deep 2~2.5 meters, and water inlet installs the beautiful net of sieve of 150~200 mesh, in the middle of culture pond
Bottom is provided with sewage draining exit, and sewage draining exit is covered with 80 mesh nylon wire bands, and is equipped with 1 kilowatt of waterwheel aerator two.
Preferably, two waterwheel aerators arrange that position is diagonal along any one diagonal of culture pond
At 1/3rd of line total length and 2/3rds.
Preferably, Portunus trituberculatus Miers is in January next year harvesting, the new oppossum shrimp in east starts results from November 15 then and feeds
Sepiella maindroni is supported, sustained yield untill all capture is completed Portunus trituberculatus Miers, in Portunus trituberculatus Miers catch by japonicus
Completion is arrested using cage before obtaining.Illustrate, typically before Portunus trituberculatus Miers is arrested, it is necessary to which japonicus have first been caught.Typically
At the beginning of 1 month, captured using cage, net is received daily and puts net, untill light is caught.
Preferably, wild fishes is wild fishes with the weight proportion of the mixture of artifical compound feed:Artifical compound feed=
7:3~8:2.
Preferably, changing water daily once during same day average temperature >=27 DEG C during cultivation, water mode is changed using bottom,
Each bottom discharge 30 ~ 50cm height water layers;During 27 DEG C of same day average temperature <, water is changed once within 2 ~ 3 days every time, changed using bottom
Water mode, each 10 ~ 30cm of bottom discharge height water layers.The new oppossum shrimp in east has the habit that cluster is cruised, and likes hiding in pool wall
In the pasture and water of surrounding.With reference to this habit, culture pond is provided with middle sewage draining exit, and bottom blow-down is used every time, it is difficult to cause oppossum shrimp
A large amount of escapes, be sure not top layer and change water.
Preferably, the new oppossum shrimp in east is supported, inoculation is first 5~7 days, and to culture pond dispensing water transfer treasured and probiotics, water transfer is precious to throw
It it is high-volume 0.5~1kg/ mus, probiotics injected volume is 0.2~0.5kg/ mus.
Preferably, the salinity of culture pond is controlled in 26.5-27.5 ‰.
Preferably, before Penaeus Vannmei artifical compound feed is delivered, soaking 2~3 hours in advance, then with 80~100
The full pool is uniformly splashed again after the stranding of mesh guipure is broken.
The beneficial effects of the invention are as follows:The yield of original breed variety is neither influenceed, High Density Cultivation east can be reached again
The purpose of new oppossum shrimp, at the same can also Fed Penaeus japonicus, comprehensively utilize resource, enable the new oppossum shrimp in east in diversified economy fish
Nursery in play the advantage of its high-quality living bait, lift the level of whole nursery industry.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, raw material and equipment for being used etc. is commercially available or commonly used in the art.
Method in following embodiments, unless otherwise instructed, is the conventional method of this area.
Embodiment 1:
A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond, comprises the following steps:
(1)The preparation of culture pond:Raised together with using Portunus trituberculatus Miers culture pond, before Portunus trituberculatus Miers cloth seedling, Jiang Tangshui
Drain and continue exposure after rinsing desilting with giant;Culture pond water inlet 50cm before cultivation, is sterilized with the bleaching powder of 80ppm,
And the wall of culture pond four sterilization of splashing, sterilization completes backward culture pond and injects fresh seawater to 1.5 meters of the depth of water, the salinity control of culture pond
System is in 26.5-27.5 ‰.The substrate of culture pond is argillo arenaceous soil, and the wall of culture pond four is cement bank protection, and culture pond is rectangle, four
Angle is in circular arc, and 5 mu of culture pond area, the pool is deep 2 meters, and the slope ratio on the pool ridge is 1:1.5, water inlet installs the beautiful net of sieve of 150 mesh, resistance
Block the entrance of the harmful organisms such as wild fishes and shrimp;Culture pond central bottom is provided with sewage draining exit, and sewage draining exit is covered with 80 mesh nylon wires
Band, not only prevents swimming crab from escaping, more in order to reduce the later stage cultivate oppossum shrimp escape;And it is equipped with 1 kilowatt of waterwheel aerator
Two, two waterwheel aerators are arranged along any one diagonal of culture pond, position in diagonal total length three
At/mono- and 2/3rds, aerator diagonal is placed, in addition to oxygenation is acted on, moreover it is possible to make the living bait in pond and oppossum shrimp children
Body is uniformly distributed with water body flow.
(2)Seed is delivered:Annual May delivers Portunus trituberculatus Miers seedling to culture pond, and Portunus trituberculatus Miers seedling injected volume is every
Mu 2000;August part delivers japonicus seedling, and japonicus seedling injected volume is every mu of 10,000 tails;The September part inoculation new oppossum shrimp in east
(September 18 and oppossum shrimp inoculation was carried out at twice in 25th), inoculum density is 0.5kg/ mus of meter Shui Ti;Before the new oppossum shrimp in east supports inoculation
5 days, deliver water transfer to culture pond precious(It is commercially available)And probiotics(It is commercially available, Nong Shengle aquatic products em bacterium), water transfer treasured injected volume be
0.5kg/ mus, probiotics injected volume is 0.2kg/ mus.
The inoculation new oppossum shrimp in east mainly takes from test site main discharge outlet bank marine site and a neighbouring fish culture cage, because of these
Local bait enriches, and likes being gathered in this oppossum shrimp, it is easy to fish for more.At dusk using oppossum shrimp phototaxis lighting trapping, using 60 mesh
Dredger collect, band water inflate transport.Reduce haulage time and traffic density as far as possible, prevent temperature in transportation, salinity and
The acute variation of dissolved oxygen.After oppossum shrimp selects uptake, oppossum shrimp to enter water when being inoculated with, mild agitation water body scatters rapidly beneficial to oppossum shrimp.
It is inoculated with 2 times altogether.2 days after inoculation, maked an inspection tour along pond side with flashlight at dusk, light, explanation it can be found that the new oppossum shrimp cluster in east becomes
Inoculation has succeeded.
(3)Feed management:
Portunus trituberculatus Miers feeds mode:Fed with the mixture of artifical compound feed using wild fishes(Weight proportion is
Wild fishes:Artifical compound feed=7:3.), respectively feed once sooner or later, it is Portunus trituberculatus Miers gross weight to put seedling to July each feeding volume
The 8% of amount, 8~October each feeding volume is the 10% of Portunus trituberculatus Miers gross weight, and each feeding volume is Portunus trituberculatus Miers from November
The 3% of gross weight, until water temperature feeds less than 8 DEG C of stoppings;
During the new oppossum shrimp in east cultivates, Penaeus Vannmei artifical compound feed was delivered to culture pond every 5 days(It is commercially available), water transfer it is precious
And probiotics, Penaeus Vannmei artifical compound feed injected volume is 1kg/ mus, and water transfer treasured injected volume is 0.5kg/ mus, and probiotics is thrown
It is high-volume 0.2kg/ mus.Before Penaeus Vannmei artifical compound feed is delivered, soak in advance 2 hours, then rub broken with the hands with 80 mesh guipures
The full pool is uniformly splashed again afterwards.
In January next year harvesting, the new oppossum shrimp in east starts to harvest from November 15 then feeds cuttlefish to Portunus trituberculatus Miers, holds
It is continuous to harvest untill all capture is completed Portunus trituberculatus Miers, typically before Portunus trituberculatus Miers is arrested, it is necessary to by japonicus
First catch.It is general to be captured using cage at the beginning of 1 month, net is received daily and puts net, untill light is caught.
Same day average temperature >=27 DEG C during cultivation, change water once daily, and water mode, each bottom discharge are changed using bottom
30~50cm height water layers;Same day average temperature<27 DEG C, water was changed once every 2~3 days, water mode, each bottom are changed using bottom
Portion's draining 10~30cm height water layers.After running into typhoon or heavy rain, new water is supplemented in time, prevent salinity altercation excessive.Periodically
The pool, the quantity and changing features of observation oppossum shrimp colony are patrolled at dusk.
Embodiment 2:
A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond, comprises the following steps:
(1)The preparation of culture pond:Raised together with using Portunus trituberculatus Miers culture pond, before Portunus trituberculatus Miers cloth seedling, Jiang Tangshui
Drain and continue exposure after rinsing desilting with giant;Culture pond water inlet 80cm before cultivation, is sterilized with the bleaching powder of 120ppm,
And the wall of culture pond four sterilization of splashing, sterilization completes backward culture pond and injects fresh seawater to 2 meters of the depth of water, the salinity control of culture pond
In 26.5-27.5 ‰.The substrate of culture pond is argillo arenaceous soil, and the wall of culture pond four is cement bank protection, and culture pond is rectangle, corner
In circular arc, 5 mu of culture pond area, the pool is deep 2.5 meters, and the slope ratio on the pool ridge is 1:1.5, water inlet installs the beautiful net of sieve of 200 mesh, resistance
Block the entrance of the harmful organisms such as wild fishes and shrimp;Culture pond central bottom is provided with sewage draining exit, and sewage draining exit is covered with 80 mesh nylon wires
Band, not only prevents swimming crab from escaping, more in order to reduce the later stage cultivate oppossum shrimp escape;And it is equipped with 1 kilowatt of waterwheel aerator
Two, two waterwheel aerators are arranged along any one diagonal of culture pond, position in diagonal total length three
At/mono- and 2/3rds, aerator diagonal is placed, in addition to oxygenation is acted on, moreover it is possible to make the living bait in pond and oppossum shrimp children
Body is uniformly distributed with water body flow.
(2)Seed is delivered:Annual May delivers Portunus trituberculatus Miers seedling to culture pond, and Portunus trituberculatus Miers seedling injected volume is every
Mu 3500;August part delivers japonicus seedling, and japonicus seedling injected volume is every mu of 1.2 ten thousand tails;The September part inoculation new chaff in east
Shrimp(September 18 and oppossum shrimp inoculation was carried out at twice in 25th), inoculum density is 1kg/ mus of meter Shui Ti;Before the new oppossum shrimp in east supports inoculation
7 days, deliver water transfer to culture pond precious(It is commercially available)And probiotics(It is commercially available, Nong Shengle aquatic products em bacterium), water transfer treasured injected volume is 1kg/
Mu, probiotics injected volume is 0.5kg/ mus.
The inoculation new oppossum shrimp in east mainly takes from test site main discharge outlet bank marine site and a neighbouring fish culture cage, because of these
Local bait enriches, and likes being gathered in this oppossum shrimp, it is easy to fish for more.At dusk using oppossum shrimp phototaxis lighting trapping, using 60 mesh
Dredger collect, band water inflate transport.Reduce haulage time and traffic density as far as possible, prevent temperature in transportation, salinity and
The acute variation of dissolved oxygen.After oppossum shrimp selects uptake, oppossum shrimp to enter water when being inoculated with, mild agitation water body scatters rapidly beneficial to oppossum shrimp.
It is inoculated with 2 times altogether.2 days after inoculation, maked an inspection tour along pond side with flashlight at dusk, light, explanation it can be found that the new oppossum shrimp cluster in east becomes
Inoculation has succeeded.
(3)Feed management:
Portunus trituberculatus Miers feeds mode:Fed with the mixture of artifical compound feed using wild fishes(Weight proportion is
Wild fishes:Artifical compound feed=8:2.), respectively feed once sooner or later, it is Portunus trituberculatus Miers gross weight to put seedling to July each feeding volume
The 10% of amount, 8~October each feeding volume is the 15% of Portunus trituberculatus Miers gross weight, and each feeding volume is Portunus trituberculatus Miers from November
The 5% of gross weight, until water temperature feeds less than 8 DEG C of stoppings;
During the new oppossum shrimp in east cultivates, Penaeus Vannmei artifical compound feed was delivered to culture pond every 7 days(It is commercially available), water transfer it is precious
And probiotics, Penaeus Vannmei artifical compound feed injected volume is 1.5kg/ mus, and water transfer treasured injected volume is 1kg/ mus, and probiotics is thrown
It is high-volume 0.5kg/ mus.Before Penaeus Vannmei artifical compound feed is delivered, soak in advance 3 hours, then rub broken with the hands with 100 mesh guipures
The full pool is uniformly splashed again afterwards.After running into typhoon or heavy rain, new water is supplemented in time, prevent salinity altercation excessive.Periodically patrol at dusk
The pool, the quantity and changing features of observation oppossum shrimp colony.
In January next year harvesting, the new oppossum shrimp in east starts to harvest from November 15 then feeds cuttlefish to Portunus trituberculatus Miers, holds
It is continuous to harvest untill all capture is completed Portunus trituberculatus Miers, typically before Portunus trituberculatus Miers is arrested, it is necessary to by japonicus
First catch.It is general to be captured using cage at the beginning of 1 month, net is received daily and puts net, untill light is caught.
Same day average temperature >=27 DEG C during cultivation, change water once daily, and water mode, each bottom discharge are changed using bottom
30~50cm height water layers;Same day average temperature<27 DEG C, water was changed once every 2~3 days, water mode, each bottom are changed using bottom
Portion's draining 10~30cm height water layers.After running into typhoon or heavy rain, new water is supplemented in time, prevent salinity altercation excessive.Periodically
The pool, the quantity and changing features of observation oppossum shrimp colony are patrolled at dusk.
Embodiment 3:
A kind of high-density breeding method of new oppossum shrimp in east in Portunus trituberculatus Miers culture pond, comprises the following steps:
(1)The preparation of culture pond:Raised together with using Portunus trituberculatus Miers culture pond, before Portunus trituberculatus Miers cloth seedling, Jiang Tangshui
Drain and continue exposure after rinsing desilting with giant;Culture pond water inlet 60cm before cultivation, is sterilized with the bleaching powder of 100ppm,
And the wall of culture pond four sterilization of splashing, sterilization completes backward culture pond and injects fresh seawater to 2 meters of the depth of water, the salinity control of culture pond
In 26.5-27.5 ‰.The substrate of culture pond is argillo arenaceous soil, and the wall of culture pond four is cement bank protection, and culture pond is rectangle, corner
In circular arc, 5 mu of culture pond area, the pool is deep 2.5 meters, and the slope ratio on the pool ridge is 1:1.5, water inlet installs the beautiful net of sieve of 200 mesh, resistance
Block the entrance of the harmful organisms such as wild fishes and shrimp;Culture pond central bottom is provided with sewage draining exit, and sewage draining exit is covered with 80 mesh nylon wires
Band, not only prevents swimming crab from escaping, more in order to reduce the later stage cultivate oppossum shrimp escape;And it is equipped with 1 kilowatt of waterwheel aerator
Two, two waterwheel aerators are arranged along any one diagonal of culture pond, position in diagonal total length three
At/mono- and 2/3rds, aerator diagonal is placed, in addition to oxygenation is acted on, moreover it is possible to make the living bait in pond and oppossum shrimp children
Body is uniformly distributed with water body flow.
(2)Seed is delivered:Annual May delivers Portunus trituberculatus Miers seedling to culture pond, and Portunus trituberculatus Miers seedling injected volume is every
Mu 3000;August part delivers japonicus seedling, and japonicus seedling injected volume is every mu of 10,000 tails;The September part inoculation new oppossum shrimp in east
(September 18 and oppossum shrimp inoculation was carried out at twice in 25th), inoculum density is 0.8kg/ mus of meter Shui Ti;Before the new oppossum shrimp in east supports inoculation
6 days, deliver water transfer to culture pond precious(It is commercially available)And probiotics(It is commercially available, Nong Shengle aquatic products em bacterium), water transfer treasured injected volume be
0.8kg/ mus, probiotics injected volume is 0.3kg/ mus.
The inoculation new oppossum shrimp in east mainly takes from test site main discharge outlet bank marine site and a neighbouring fish culture cage, because of these
Local bait enriches, and likes being gathered in this oppossum shrimp, it is easy to fish for more.At dusk using oppossum shrimp phototaxis lighting trapping, using 60 mesh
Dredger collect, band water inflate transport.Reduce haulage time and traffic density as far as possible, prevent temperature in transportation, salinity and
The acute variation of dissolved oxygen.After oppossum shrimp selects uptake, oppossum shrimp to enter water when being inoculated with, mild agitation water body scatters rapidly beneficial to oppossum shrimp.
It is inoculated with 2 times altogether.2 days after inoculation, maked an inspection tour along pond side with flashlight at dusk, light, explanation it can be found that the new oppossum shrimp cluster in east becomes
Inoculation has succeeded.
(3)Feed management:
Portunus trituberculatus Miers feeds mode:Fed with the mixture of artifical compound feed using wild fishes(Weight proportion is
Wild fishes:Artifical compound feed=7:3), respectively feed once sooner or later, it is Portunus trituberculatus Miers gross weight to put seedling to July each feeding volume
10%, 8~October each feeding volume for Portunus trituberculatus Miers gross weight 15%, from November each feeding volume be Portunus trituberculatus Miers it is total
The 5% of weight, until water temperature feeds less than 8 DEG C of stoppings;
During the new oppossum shrimp in east cultivates, Penaeus Vannmei artifical compound feed was delivered to culture pond every 6 days(It is commercially available), water transfer it is precious
And probiotics, Penaeus Vannmei artifical compound feed injected volume is 1.2kg/ mus, and water transfer treasured injected volume is 0.7kg/ mus, probiotics
Injected volume is 0.3kg/ mus.Before Penaeus Vannmei artifical compound feed is delivered, soak 2.5 hours in advance, then with 100 mesh guipures
The full pool is uniformly splashed again after stranding is broken.After running into typhoon or heavy rain, new water is supplemented in time, prevent salinity altercation excessive.Periodically it is close to
Evening patrols the pool, the quantity and changing features of observation oppossum shrimp colony.
In January next year harvesting, the new oppossum shrimp in east starts to harvest from November 15 then feeds cuttlefish to Portunus trituberculatus Miers, holds
It is continuous to harvest untill all capture is completed Portunus trituberculatus Miers, typically before Portunus trituberculatus Miers is arrested, it is necessary to by japonicus
First catch.It is general to be captured using cage at the beginning of 1 month, net is received daily and puts net, untill light is caught.
Same day average temperature >=27 DEG C during cultivation, change water once daily, and water mode, each bottom discharge are changed using bottom
30~50cm height water layers;Same day average temperature<27 DEG C, water was changed once every 2~3 days, water mode, each bottom are changed using bottom
Portion's draining 10~30cm height water layers.After running into typhoon or heavy rain, new water is supplemented in time, prevent salinity altercation excessive.Periodically
The pool, the quantity and changing features of observation oppossum shrimp colony are patrolled at dusk.
In May, 2015 in January, 2016 dodges test site Portunus trituberculatus Miers culture pond in Zhejiang Prov. Inst. of Marine Products west
In carry out.Culture effect highly significant, the new oppossum shrimp density in east is fished for more than 900 jins, is met altogether up to 13 tails/L, 3 culture ponds
150,000 demands of ingesting of the Sepiella maindroni young.In comparing with non-seeded oppossum shrimp culture pond, Portunus trituberculatus Miers and day
This prawn yield is very nearly the same, respectively Portunus trituberculatus Miers 50kg/ mus or so, japonicus 20kg/ mus or so, and inoculation east is new
Oppossum shrimp culture pond economic benefit highly significant.The new oppossum shrimp in east feeds and can at least improve Sepiella maindroni young survival rate
More than 50%.
Embodiment described above is a kind of preferably scheme of the invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (9)
1. high-density breeding method of the new oppossum shrimp in a kind of east in Portunus trituberculatus Miers culture pond, it is characterised in that including as follows
Step:
(1)The preparation of culture pond:Raised together with using Portunus trituberculatus Miers culture pond, before Portunus trituberculatus Miers cloth seedling, Jiang Tangshui
Drain and continue exposure after rinsing desilting with giant;50~80cm of culture pond water inlet before cultivation, with the drift of 80~120ppm
White powder is sterilized, and the wall of culture pond four sterilization of splashing, and sterilization completes backward culture pond and injects fresh seawater to 1.5~2 meters of the depth of water;
(2)Seed is delivered:Annual May delivers Portunus trituberculatus Miers seedling to culture pond, and Portunus trituberculatus Miers seedling injected volume is every mu
2000~3500;August part delivers japonicus seedling, and japonicus seedling injected volume is every mu 10,000~1.2 ten thousand tails;September part inoculation
The new oppossum shrimp in east, inoculum density is 0.5~1kg/ mus of meter Shui Ti;
(3)Feed management:
Portunus trituberculatus Miers feeds mode:Fed with the mixture of artifical compound feed using wild fishes, respectively fed sooner or later
Once, it is the 8~10% of Portunus trituberculatus Miers gross weight to put seedling to July daily feeding volume, and 8~October daily feeding volume is three wart shuttles
The 10~15% of sub- crab gross weight, daily feeding volume is the 3~5% of Portunus trituberculatus Miers gross weight from November, until water temperature is less than 8 DEG C
Stopping feeds;
During the new oppossum shrimp in east cultivates, every 5~7 days to culture pond deliver Penaeus Vannmei artifical compound feed, water transfer it is precious and
Probiotics, Penaeus Vannmei artifical compound feed injected volume is 1~1.5kg/ mus, and water transfer treasured injected volume is 0.5~1kg/ mus, benefit
Raw bacterium injected volume is 0.2~0.5kg/ mus.
2. high-density breeding method according to claim 1, it is characterised in that the substrate of culture pond is argillo arenaceous soil, is supported
The wall of the pool four is grown for cement bank protection, and culture pond is square, and corner is in circular arc, and 5 mu of culture pond area, the pool is deep 2~2.5 meters, water inlet
Mouth installs the beautiful net of sieve of 150~200 mesh, and culture pond central bottom is provided with sewage draining exit, and sewage draining exit is covered with 80 mesh nylon wire bands, and matches somebody with somebody
Standby 1 kilowatt waterwheel aerator two.
3. high-density breeding method according to claim 2, it is characterised in that two waterwheel aerators are along culture pond
Any one diagonal arrangement, position is at 1/3rd of diagonal total length and 2/3rds.
4. high-density breeding method according to claim 1 and 2, it is characterised in that Portunus trituberculatus Miers is from January next year
Catch, the new oppossum shrimp in east starts to harvest nursing sepiella maindroni, sustained yield until Portunus trituberculatus Miers from November 15 then
Untill all capture is completed, japonicus arrest completion before Portunus trituberculatus Miers capture using cage.
5. high-density breeding method according to claim 1 and 2, it is characterised in that wild fishes and artifical compound feed
The weight proportion of mixture is wild fishes:Artifical compound feed=7:3~8:2.
6. high-density breeding method according to claim 1 and 2, it is characterised in that same day average temperature during cultivation >=
At 27 DEG C, water is changed daily once, water mode, each 30 ~ 50cm of bottom discharge height water layers are changed using bottom;Same day average temperature
During 27 DEG C of <, water is changed once within 2 ~ 3 days every time, water mode, each 10 ~ 30cm of bottom discharge height water layers are changed using bottom.
7. high-density breeding method according to claim 1 and 2, it is characterised in that the new oppossum shrimp in east supports inoculation preceding 5~7
My god, deliver that water transfer is precious and probiotics to culture pond, water transfer treasured injected volume is 0.5~1kg/ mu, probiotics injected volume for 0.2~
0.5kg/ mus.
8. high-density breeding method according to claim 1 and 2, it is characterised in that the salinity of culture pond is controlled in 26.5-
27.5‰。
9. high-density breeding method according to claim 1 and 2, it is characterised in that Penaeus Vannmei artifical compound feed
Before dispensing, in advance soak 2~3 hours, then with 80~100 mesh guipures rub with the hands it is broken after again the full pool uniformly splash.
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CN109197719A (en) * | 2018-11-15 | 2019-01-15 | 宁波大学 | A kind of short volume thorn oppossum shrimp is in outdoor ponds scale high density Semi-continuous cultivation method |
CN112673994A (en) * | 2019-11-01 | 2021-04-20 | 海南青利水产繁殖有限公司 | Golden adult fish culture method |
CN115136913A (en) * | 2022-06-20 | 2022-10-04 | 浙江省海洋水产研究所 | Wild-imitating ecological breeding method for penaeus japonicus |
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