CN106359215B - A kind of method that Penaeus Vannmei Seedling Assortment desalination mark is thick - Google Patents

A kind of method that Penaeus Vannmei Seedling Assortment desalination mark is thick Download PDF

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CN106359215B
CN106359215B CN201610710161.9A CN201610710161A CN106359215B CN 106359215 B CN106359215 B CN 106359215B CN 201610710161 A CN201610710161 A CN 201610710161A CN 106359215 B CN106359215 B CN 106359215B
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desalination
pond
water
shrimp
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CN106359215A (en
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周明良
徐仁仪
施文明
殷华敏
戴杰
顾玲
韩曜平
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Changshou City Public Opinion Aquatic Technology Development Co Ltd
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Changshou City Public Opinion Aquatic Technology Development Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a kind of desalinations of Penaeus Vannmei Seedling Assortment to mark thick method, including S1, setting two-stage desalinate standard crude pool;S2, disinfection of cleaning up the pond;S3, basic food organisms are cultivated;S4, regulating water quality;S5, level-one desalination mark are thick;S6, second level desalination mark are thick.This method can adaptation to local conditions implement, strong operability, thick shrimp seedling is marked by this method desalination, survival rate is up to 90% or more, simultaneously utilize facility pond, can year-round provision desalinate shrimp seedling, greatly improve commercial sized prawn cultivation survival rate, also can more batches of cultivation commercial sized prawns, realize breeding production volume increase and the purpose of synergy.

Description

A kind of method that Penaeus Vannmei Seedling Assortment desalination mark is thick
Technical field
The present invention relates to a kind of desalinations of Penaeus Vannmei Seedling Assortment to mark thick method, belongs to technical field of aquaculture.
Background technique
Penaeus Vannmei originates in the pacific warm water waters in Latin America, because having high temperature resistant, resistance to less salt, life It is long fast, premunition is strong, out-of-water survival time is long, to protein requirements the features such as not high as universally acknowledged excellent breed variety One of.Most raiser is the cultivation that Penaeus Vannmei is carried out using the fresh water of brackish water or Low-salinity, and young shrimp is cultivated The salinity (27 ‰~32 ‰) in pond and the salinity (2 ‰~15 ‰) of aquaculture pond are widely different.Therefore, it is bought from southern nursery Shrimp seedling must carry out that desalination mark is thick, operation it is correct with successfully have immeasurable influence to the bottom line of cultivation.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of desalinations of Penaeus Vannmei Seedling Assortment to mark slightly Method realizes the thick seedling of year-round provision mark.
The technical scheme is that such: a kind of method that Penaeus Vannmei Seedling Assortment desalination mark is thick, including with Lower step:
S1, setting two-stage desalinate standard crude pool, and the rectangle cement pit of construction is separately provided in level-one desalination standard crude pool, and area is pressed At the every 667m of shrimp aquaculture pool area2Desalinate standard crude pool 2m with level-one2~3m2Calculate, pond length-width ratio be 2:1, pool wall height 1.4m, Pond corner be it is arc-shaped, set drainage hole, drainpipe and water-changing tube in pond, for drainpipe as emergence pipe, water-changing tube is inscribed to change the network of rivers Case, outer logical gutter;Second level is desalinated standard crude pool and is arranged one jiao at shrimp aquaculture pond, and proportionately shrimp aquaculture pool area is every for area 667m2Desalinate standard crude pool 20m with second level2~30m2It calculates, is highly 100cm;
S2, disinfection of cleaning up the pond: level-one desalination standard crude pool is intake to depth of water 100cm, and quick lime 75kg~80kg/667m is applied2, It is even splash sterilize 3d~4d after be allowed to dry water, sunning pond is spare, and second level desalinates pond operation at shrimp aquaculture pond;
S3, basic food organisms are cultivated: level-one desalinate standard crude pool after cleaning up the pond water inlet in 1 week to depth of water 50cm, with prawn slice with Biological agent culture basis food organisms make water in dark brown, water transparence 25cm~35cm, second level desalinate pond operation at Shrimp aquaculture pond;
S4, regulating water quality: level-one desalinate standard crude pool pH value 7.8~8.5, dissolved oxygen 6mg/L or more, ammonia nitrogen 0.1mg/L with Under, second level desalinates water matter at shrimp aquaculture pond, salinity 2 ‰;
S5, level-one desalination mark are thick: the thick same day level-one desalination standard crude pool salinity of level-one desalination mark is adjusted to 13 ‰~15 ‰, pond Water depth 50cm selects the long 0.3cm~0.5cm shrimp seedling of P4, P5 grades of bodies at 20 DEG C of water temperature with upper and lower pond, and injected volume is light by level-one Change 40000 tails of standard crude pool area meter/667m2~50000 tails/667m2, after lower pond is stablized, 5h starts to heat, and adds water temperature in 12h Temperature to 30 DEG C and remain to desalination mark slightly terminate, start to desalinate after the 36h of pond under shrimp seedling, first day to the 5th day, every morning added Add fresh water 5cm~6cm, the 6th angel's water level reaches 80cm, and the 7th day starts, and discharge water 5cm daily, and it is straight then to add fresh water 8cm 2 ‰ are reduced to water salinity;Feed throws prawn slice 80g and fresh fairy shrimp 150g by the every meal of every million tail respectively and calculates feeding amount, often 2h is fed once, and prawn slice and fresh fairy shrimp interval are fed, and level-one desalination mark is thick to cultivate 8d~10d altogether;
S6, second level desalination mark are thick: selecting level-one desalination to mark the thick above shrimp seedling of afterbody length 1.0cm and enter second level desalination mark slightly Pond, 26 DEG C~28 DEG C of lower water temperature, injected volume are proportionately 60000 tails of shrimp aquaculture pool area meter/667m2~80000 tails/667m2, Behind lower pond, water 5.0cm is changed daily, and until second level desalination standard crude pool salinity is as at shrimp aquaculture lake salt degree, dissolved oxygen is maintained at 5mg/l or more;Feed is with 0#Particle shrimp material fed 5g by every ten thousand tails shrimp seedling first day, increased feeding amount with daily 10%, daily It feeds 4 times, 15%, 17:00~18:00 that 20%, 13:00~14:00 that 8:00 feeds feed total amount feeds feed total amount is thrown 25%, 22:00 of feeding material total amount feeds the 40% of feed total amount;Thick total 5d~7d is marked in second level desalination.
Preferably, the water-changing tube caliber is 50mm~100mm, and the drain pipe diameter is not less than 100mm.
Preferably, the level-one desalination mark after shrimp seedling is transported back, is first put shrimp seedling bag in the fine day morning or progress at dusk Desalinate standard crude pool into level-one, after water temperature balance inside and outside bag, shrimp seedling is put into pond.
Compared with prior art, the beneficial effect of technical solution provided by the present invention is:
(1) classification desalination mark is thick, and the area of every grade of desalination standard crude pool is smaller, removes the evil convenient for thorough clear pond, bait utilization Shrimp seedling survival rate can be improved, 60%~80% in height;
(2) it marks that thick shrimp seedling adapts to environment and to keep away enemy ability strong by classification desalination, forms high survival rate, it generally can be with Reach 90% or more;
(3) quantity for putting prawn in growing pond in a suitable place to breed can be accurately grasped after the thick cultivation of desalination mark, convenient for relatively accurately calculating Daily ration, feeding quantity accomplishes reasonable bait throwing in, improves bait utilization, reduces production cost, increases economic efficiency;
(4) it is cultivated by the way that classification desalination mark is thick, the shrimp seedling of more batches of shrimp classification cultivation is made to enter the time in pond and commercial sized prawn harvest It is adjusted, using the time difference, accomplishes the conflict for being reasonably connected and avoiding the time;Culture of Penaeus vannamei is divided into seed mark Thick stage and prawn forming stage, adjust cultivation density, realize that the acceptance of the bid of collection early period is thick, the later period quickly forms, thus to greatest extent Ground utilizes breeding facility.
(5) it feeds dedicated desalination full of nutrition and marks the growth and development that thick prawn slice feed is conducive to shrimp seedling, shorten desalination mark The thick time, reduce disease, conducive to the growth of prawn, improves the survival rate at shrimp aquaculture.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but not as a limitation of the invention.
A kind of method that Penaeus Vannmei Seedling Assortment desalination mark is thick, includes the following steps:
S1, setting two-stage desalinate standard crude pool, and construction, generally rectangle cement pit is separately provided in level-one desalination standard crude pool, Convenient for managing and receiving seedling.Level-one desalinates the standard crude pool area proportionately every 667m of shrimp aquaculture pool area2Desalinate standard crude pool 2m with level-one2~ 3m2It calculates, generally 20m2~30m2, pond length-width ratio is 2:1, pool wall height 1.4m, and the depth of water is no more than 1.2m when marking thick, and pond turns Angle be it is arc-shaped, set drainage hole, drainpipe and water-changing tube in pond, water-changing tube caliber is 50mm~100mm.Drainpipe is as emergence Pipe, caliber are not preferably less than 100mm.Water-changing tube is inscribed to change network of rivers case, outer logical gutter;Second level is desalinated standard crude pool setting and is supported at shrimp One jiao is grown in pond, the area proportionately every 667m of shrimp aquaculture pool area2Desalinate standard crude pool 20m with second level2~30m2It calculates, with colour bar cloth Or earth dam encloses 200m2~300m2, it is highly 100cm;
S2, disinfection of cleaning up the pond: level-one desalination standard crude pool is intake to depth of water 100cm or so, and quick lime 75kg~80kg/ is applied 667m2, uniformly splash and be allowed to dry water after sterilizing 3d~4d, sunning pond is spare, and second level desalinates pond operation at shrimp aquaculture pond;
S3, cultivate basic food organisms: level-one desalination standard crude pool (putting 10d before seedling) 1 week after cleaning up the pond is intake to the depth of water 50cm makes water in dark brown, water transparence 25cm~35cm, second level with prawn slice and biological agent culture basis food organisms Desalinate pond operation at shrimp aquaculture pond;
S4, regulating water quality: level-one desalinate standard crude pool pH value 7.8~8.5, dissolved oxygen 6mg/L or more, ammonia nitrogen 0.1mg/L with Under, second level desalinates water matter at shrimp aquaculture pond, salinity 2 ‰;
S5, level-one desalination mark are thick: level-one desalination marks thick shrimp seedling and is generally P4, P5 grades of seedlings, it is desirable that healthy and strong active, the bodily form is thin Long, uniform in size, body surface is clean, and carapace edge is not rolled, and eyes are limpid symmetrical, and tail fan opens, and muscle enriches, and stomach is full Full, sensitive to extraneous stimulate the reaction, swimming has apparent directionality, and having top water travelling (property against the current) and being stained with wallflow is to be placed on It can beat on palm, body transparency is big, and whole body is without lesion;Several tail shrimp seedlings are taken at random from nursery pond, with the wet towel wrung out Package, 10min put back to Yuan Chi, if shrimp seedling is survived, are then high-quality shrimp seedlings, are otherwise seedling inferior, the long 0.3cm~0.5cm of body.Level-one The thick same day level-one desalination standard crude pool salinity crude salt of desalination mark or sea crystal water transfer to salinity similar with seedling field, be 13 ‰~ 15 ‰ (depth of water 50cm) make every effort to make to desalinate standard crude pool water quality and nursery pond water quality close to unanimously.It is selected on fine day when putting in a suitable place to breed Noon carries out at dusk, at 20 DEG C of water temperature with upper and lower pond.After shrimp seedling is transported back, first shrimp seedling bag is put into level-one desalination standard crude pool, to bag After inside and outside water temperature balance, shrimp seedling is put into pond.Under shrimp seedling behind pond, oxygenation amount should be moderately increased in time.Injected volume is by level-one Desalinate 40000 tails of standard crude pool area meter/667m2~50000 tails/667m2, after lower pond is stablized, 5h starts to heat, by water temperature in 12h Being warmed to 30 DEG C and remaining to desalination mark slightly terminates, and starts to desalinate after the 36h of pond under shrimp seedling, first day to the 5th day, every morning Fresh water 5cm~6cm is added, the 6th angel's water level reaches 80cm, and the 7th day starts, and discharge water 5cm daily, then adds fresh water 8cm Until water salinity is reduced to 2 ‰;;Feed throws prawn slice 80g and fresh fairy shrimp 150g by the every meal of every million tail respectively and calculates feeding amount, Every 2h is fed once, and prawn slice and fresh fairy shrimp interval are fed.Prawn slice feed is placed in the nylon bolting silk bag of 60~80 mesh, is placed on bucket In plus water hand pinching, so that feed is all dissolved Yu Shuizhong, then it uniformly sprinkled and is fed.Feed should show to be thrown with existing, cannot Indwelling time too long, with anti-metamorphic.Level-one desalination mark is thick to cultivate 8d~10d altogether, shrimp seedling it is long to 1cm when out pond receive shrimp seedling, roughly It counts and turns second level desalination after checking on the quality and mark the thick stage;
S6, second level desalination mark are thick: selecting level-one desalination to mark the thick above shrimp seedling of afterbody length 1.0cm and enter second level desalination mark slightly Pond, shrimp seedling require body surface crust bright and clean, and appendage is complete, and shrimp body is transparent;Activity should move about vivaciously, and property is strong against the current, and spring has Power.26 DEG C~28 DEG C of lower water temperature, make its at the shrimp aquaculture water temperature difference less than 2 DEG C.Injected volume is proportionately shrimp aquaculture pool area Count 60000 tails/667m2~80000 tails/667m2, behind lower pond, change water 5.0cm daily, until second level desalination standard crude pool salinity at Shrimp aquaculture lake salt degree is the same, and dissolved oxygen is maintained at 5mg/l or more;Feed is with 0#Particle shrimp material was fed by every ten thousand tails shrimp seedling first day 5g increases feeding amount with daily 10%, feeds daily 4 times, 20%, 13:00~14:00 that 8:00 feeds feed total amount feeds feeding 25%, the 22:00 that 15%, 17:00~18:00 of material total amount feeds feed total amount feeds the 40% of feed total amount, is essentially " the few diligent throwing of amount ", i.e., flexibly grasp according to situations such as shrimp seedling density, specification size, water quality.Thick total 5d~7d, shrimp are marked in second level desalination Shrimp aquaculture pond can be transferred into after the long 1.5cm of seedling body to carry out into shrimp aquaculture.
During entire desalination mark is thick, it is necessary to carry out water quality monitoring and the measurement of shrimp seedling growing state.Whole oxygenation for 24 hours, After each feeding 1.5h to the travelling of shrimp seedling, ingest, the random tests such as survival rate, and be with micro- sem observation shrimp seedling body surface It is no to have sundries attachment or helminth etc..The upper and lower noon, which respectively surveys, daily remembers that water temperature is primary, every 2 days measurement shrimp seedling body length, pH value, molten Solve the data such as oxygen, ammonia nitrogen.

Claims (3)

1. thick method is marked in a kind of Penaeus Vannmei Seedling Assortment desalination, it is characterised in that: the following steps are included:
S1, setting two-stage desalinate standard crude pool, and it is the rectangle cement pit that construction is separately provided that level-one, which desalinates standard crude pool, and area is proportionately The every 667m of shrimp aquaculture pool area2Desalinate standard crude pool 2m with level-one2~3m2It calculates, pond length-width ratio is 2:1, pool wall height 1.4m, pond Corner be it is arc-shaped, set drainage hole, drainpipe and water-changing tube in pond, for drainpipe as emergence pipe, water-changing tube is inscribed to change network of rivers case, Logical gutter outside;Second level is desalinated standard crude pool and is arranged one jiao at shrimp aquaculture pond, the area proportionately every 667m of shrimp aquaculture pool area2Match Second level desalinates standard crude pool 20m2~30m2It calculates, is highly 100cm;
S2, disinfection of cleaning up the pond: level-one desalination standard crude pool is intake to depth of water 100cm, and quick lime 75kg~80kg/667m is applied2, uniformly sprinkle It is allowed to dry water after spilling disinfection 3d~4d, sunning pond is spare, and second level desalinates pond operation at shrimp aquaculture pond;
S3, cultivate basic food organisms: level-one desalinates standard crude pool, and water inlet in 1 week is to depth of water 50cm after cleaning up the pond, with prawn slice and biology Preparation media plinth food organisms make water in dark brown, and water transparence 25cm~35cm, second level desalination pond operation is the same as feeding at shrimp Grow pond;
S4, regulating water quality: level-one desalinates standard crude pool pH value 7.8~8.5, dissolved oxygen 6mg/L or more, ammonia nitrogen 0.1mg/L hereinafter, two Grade desalination water matter is the same as at shrimp aquaculture pond, salinity 2 ‰;
S5, level-one desalination mark are thick: the thick same day level-one desalination standard crude pool salinity of level-one desalination mark is adjusted to 13 ‰~15 ‰, and water is deep 50cm is spent, selects the long 0.3cm~0.5cm shrimp seedling of P4, P5 grades of bodies at 20 DEG C of water temperature with upper and lower pond, injected volume is to desalinate to mark by level-one 40000 tails of thick pool area meter/667m2~50000 tails/667m2, after lower pond is stablized, 5h starts to heat, and is warmed to water temperature in 12h 30 DEG C and remain to desalination mark slightly terminate, start to desalinate after the 36h of pond under shrimp seedling, first day to the 5th day, every morning add it is light Water 5cm~6cm, the 6th angel's water level reach 80cm, and the 7th day starts, and discharge water 5cm daily, then add fresh water 8cm until pond Salinity water is reduced to 2 ‰;Feed throws prawn slice 80g and fresh fairy shrimp 150g by the every meal of every million tail respectively and calculates feeding amount, and every 2h is thrown It feeds once, prawn slice and fresh fairy shrimp interval are fed, and level-one desalination mark is thick to cultivate 8d~10d altogether;
S6, second level desalination mark are thick: selection level-one desalination marks the thick above shrimp seedling of afterbody length 1.0cm and enters second level desalination standard crude pool, under 26 DEG C~28 DEG C of water temperature, injected volume is proportionately 60000 tails of shrimp aquaculture pool area meter/667m2~80000 tails/667m2, lower pond Afterwards, change water 5.0cm daily, until second level desalination standard crude pool salinity as at shrimp aquaculture lake salt degree, dissolved oxygen be maintained at 5mg/l with On;Feed is with 0#Particle shrimp material fed 5g by every ten thousand tails shrimp seedling first day, increases feeding amount with daily 10%, feeds daily 4 times, It is total that 20%, 13:00~14:00 that 8:00 feeds feed total amount feeds 15%, 17:00 of feed total amount~18:00 feeds feed 25%, 22:00 of amount feeds the 40% of feed total amount;Thick total 5d~7d is marked in second level desalination.
2. thick method is marked in Penaeus Vannmei Seedling Assortment desalination according to claim 1, it is characterised in that: described to change water Pipe caliber is 50mm~100mm, and the drain pipe diameter is not less than 100mm.
3. thick method is marked in Penaeus Vannmei Seedling Assortment desalination according to claim 1, it is characterised in that: the level-one Desalination mark is slightly after shrimp seedling is transported back, first shrimp seedling bag to be put into level-one desalination standard crude pool, in bag in the fine day morning or progress at dusk After outer water temperature balance, shrimp seedling is put into pond.
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CN108029489A (en) * 2018-01-18 2018-05-15 邯郸市鑫众生态养殖有限公司 Northern area lotus rhizome, prawn and the intercropping method of loach
CN111213603A (en) * 2018-11-23 2020-06-02 天津市宝益得农业科技有限公司 Ecological breeding method for Penaeus vannamei Boone in rough labeling stage
CN109479778B (en) * 2018-12-08 2021-06-15 海南海壹水产种苗有限公司 Method for evaluating anti-stress capability of young penaeus vannamei boone
CN111066704A (en) * 2019-12-10 2020-04-28 浙江省淡水水产研究所 Method for thickening macrobrachium rosenbergii seedlings by using double-layer greenhouse

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CN102165925B (en) * 2011-04-26 2013-01-30 高雷 Staged desalinization culturing method for penaeus vannamei boone
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