CN104957072A - Parent litopenaeus vannamei breeding system and method - Google Patents

Parent litopenaeus vannamei breeding system and method Download PDF

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Publication number
CN104957072A
CN104957072A CN201510339166.0A CN201510339166A CN104957072A CN 104957072 A CN104957072 A CN 104957072A CN 201510339166 A CN201510339166 A CN 201510339166A CN 104957072 A CN104957072 A CN 104957072A
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Prior art keywords
water
pond
litopenaeus vannamei
shrimp
endless track
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Inventor
刘建勇
张嘉晨
傅学丽
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Guangdong Ocean University
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Guangdong Ocean University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/045Filters for aquaria
    • 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 parent litopenaeus vannamei breeding system and method. The parent litopenaeus vannamei breeding system and method are designed and obtained by simulating the natural living state of litopenaeus vannamei. By means of the breeding system, the structure is simple, the energy consumption is saved, and management is convenient; as for the litopenaeus vannamei bred through the breeding system and method, bodies are strong, appendages are sound, body colors are transparent, stomachs and intestines are plump, body surfaces are smooth, attachments are avoided, and the three kinds of viruses including the WSSVes, the TSVes and the IHHNVes are avoided; in addition, the parent litopenaeus vannamei is large in egg laying amount, long in continuous egg laying time and high in nauplius hatchability, metamorphosis rate, young litopenaeus vannamei breeding rate and survival rate.

Description

Litopenaeus vannamei Broodstock culture system and parent shrimp rearing method
Technical field
The present invention relates to a kind of prawn culture system and parent shrimp rearing method, specifically a kind of Litopenaeus vannamei Broodstock culture system and parent shrimp rearing method, belong to prawn culturing technical field.
Background technology
Environment of Litopenaeus vannamei Low ( litopenaeus vannamei), also claim Penaeus Vannmei, belong to Arthropoda (Athropoda), Crustachia (Crustacean), Decapoda (Decapoda), natural distribution is in Peru to Mexican pacific rim.Environment of Litopenaeus vannamei Low has delicious meat, high-output stress-resistance, fast growth, breeding period long, resistance to high density and resistance to Low-salinity and be conducive to work shrimp and the feature such as transport.Environment of Litopenaeus vannamei Low is after 20th century, the nineties introduced China; solve rapidly scale seed breeding key technology; define the aquaculture model for China's different geographical breeding environment and technology, facilitate the rapid expansion of cultivation scale, finally become the pillar industry of China's culture fishery.
In recent years, China relies on from external import Environment of Litopenaeus vannamei Low breeding parent mostly, not only expensive, and quantity is difficult to ensure.In rearing new variety, China's Environment of Litopenaeus vannamei Low breeding work comes into one's own, and has cultivated multiple new varieties.But, the autonomous Cultivars of China's Environment of Litopenaeus vannamei Low is still in seed selection research and development and popularization stage, compared with import product, the market competitiveness of domestic new varieties is not high, be in particular in that the total egg laying amount of seed selection parent is few, the many aspects such as continue egg-laying time short, nauplius incubation rate, distortion ratio, nursery rate are low, the seedling culture efficiency difference of cultivation.The underlying cause is except the support of China's shortage germplasm resource bank, and seed selection generation number is few, and outside prawn seeding technique, breeding technique have much room for improvement, it is also the key factor causing current situation that Quality parents Cultivating techniques lacks systematic research with application.In Quality parents cultivation, domestic Zhong Ye manufacturing enterprise or R&D institution only focus on parent's reinforced cultivating stage, ignore the parent culture technology before parent's reinforced cultivating, and this is the major reason causing the domestic cultivation parent market competitiveness low.
Summary of the invention
The object of the invention is the deficiency existed for Environment of Litopenaeus vannamei Low parent culture, a kind of Litopenaeus vannamei Broodstock culture system and parent shrimp rearing method are provided, the total egg laying amount of parent solving the existence of existing Environment of Litopenaeus vannamei Low parent culture technology is few, continue egg-laying time short, nauplius incubation rate, distortion ratio, nursery rate are low, the problem of the seedling culture efficiency difference of cultivation.
Technical scheme of the present invention is as follows: a kind of Litopenaeus vannamei Broodstock culture system, comprise endless track pond, water treatment facilities and aerating device, water treatment facilities comprises successively by the first ball valve that return pipe is connected, sieve bend, sandfiltration pot, foam separator, biological processor, ultraviolet sterilizing device and tank, the sidewall in endless track pond is provided with the water inlet pipe of multiple connection tank, two sides waterwall is provided with in the centre in endless track pond, delivery port is offered at the bottom of pond between the waterwall of two sides, delivery port is fitted with an outlet pipe, outlet pipe upper end is provided with screen cloth, lower end is connected with the first ball valve of water treatment facilities, aerating device comprises air pump, gas tube, gas charging stone and PVC semicircular plate, PVC semicircular plate offers manhole, gas tube one end is connected with air pump, the other end is connected with gas charging stone through the manhole on PVC semicircular plate, PVC semicircular plate oblique cutting is in endless track pond.
Further, the side wall angle in described water inlet pipe and endless track pond is 30 °-60 °.
Further, described drainpipe is pvc pipe, and the also uniform limbers offering 0.5cm on pvc pipe top, limbers wraps by described screen cloth.
Further, described outlet pipe is also connected with a drainpipe, drainpipe is provided with the second ball valve.
Utilize above-mentioned Litopenaeus vannamei Broodstock culture system to cultivate a method for Litopenaeus vannamei Broodstock, carry out as follows:
(1) intake: after filtering sea is sterile-processed, disposablely add in endless track pond, open water treating apparatus is tried out, the depth of water in maintenance raceway pond is at 1.2 ~ 1.3 meters, ocean temperature 28 ~ 30 DEG C, sea water specific gravity 1.020 ~ 1.023, pH value 7.8 ~ 8.2;
(2) put seedling: select energetic, healthy and strong plentiful, health is transparent, and stomach and intestine are full, and body length is at 0.8 ~ 1.0cm, and body surface smooth is pickup thing not, the high shrimp seedling of regularity by 40 ~ 50 tails/square metre breeding density put into raceway pond; Described shrimp seedling needs before putting in a suitable place to breed, through virus quarantine, to guarantee that shrimp seedling is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses;
(3) bait feeding: select high-quality, the manufactured feed of comprehensive nutrition throws something and feeds as bait, feeding volume is adjusted accordingly according to the Different growth phases of prawn and growing state, all eats up as suitable to throw something and feed in 1.5 hours; Throw something and feed and carry out by the following method: 1., prawn growth early stage throw something and feed 2-3 time day, day feeding volume be 5 ~ 7% of body weight; Throw something and feed prawn the middle and late growth stage day 4 times, day feeding volume be 3 ~ 5% of body weight;
2., adopt few mode of feeding many meal to carry out bait feeding, be no less than 4 times at shrimp Later growth bait throwing in every day number of times, Feeding time is respectively 5 ~ 6 points, 11 ~ 12 points, 17 ~ 18 points, 20 ~ 22 points;
(4) water environmental control: control the water environment in raceway pond by the following method
1., in culturing pool form circulation, Artificial prawn nature living environment: start aerating device, by inflating the energy produced, driving Chi Shui slowly to flow to same direction, forming circulation; Open water EGR, seawater flows back to culturing pool through water inlet pipe, and the impulse force formed when water is flowed out is consistent with the direction that cycle water in culturing pool flows;
2., open water treating apparatus: physics and chemistry process is carried out to the seawater in culturing pool by water treatment facilities, change depending on water quality determines the number of times of water circulation process, make the seawater the key technical indexes in culturing pool as follows: ammonia nitrogen≤1mg/l, nitrite≤0.2mg/l, nitrate≤20-24.15mg/l, chemical oxygen demand COD≤15mg/l, ss suspended solid≤1mg/l, dissolved oxygen DO >=5mg/L; Keep water without heterochromatic, peculiar smell in pond;
(5) gather in the crops: through the cultivation of 6 ~ 7 months, cultivating system was stable, and the specification of prawn reaches 35-50 gram/fish, the long 15-18cm of body, have phallus between the 5th pair of step of male shrimp, female shrimp is without external receptaculum seminis, can gather in the crops the parent of cultivation, enter the reinforced cultivating stage.
Adopt culture system filter of the present invention, the bottom water in endless track pond after ball valve, first by sieve bend process, removes large suspended solid particle by drainpipe; Secondly by sandfiltration pot filtration treatment, little suspended solid particle and dissolubility colloidal substance is removed; Again by foam separator process, further remove ultra-fine organic particle and dissolubility colloidal substance, water body is carried out disinfection simultaneously, desolventing technology; Then by biological processor process, biological processor inoculating complex microorganism, can remove organic matter in water body, absorb nutritive salt; Last by disinfection by ultraviolet light process; Water after sterilization to be stored in tank and to flow back to culturing pool by water inlet pipe and recycles.Water cleanliness factor after process is high, meets the growth requirement of prawn, recycles simultaneously, has environmental protection, energy-conservation feature, reduces the production cost of enterprise.
The present invention is by the natural animation of simulation Environment of Litopenaeus vannamei Low, design a set of parent shrimp rearing system and method for its growth applicable, the design tool of whole raceway pond is convenient to breeding water body and is flowed in pond and form circulation, culture system structure is simple, save energy and be convenient to management, the close shrimp bodily form cultivated is strong, appendage perfects, body colour is transparent, stomach and intestine are full, body surface smooth, without attachment, be not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses, and close shrimp egg laying amount is large, continue egg-laying time long, nauplius incubation rate, distortion ratio, nursery rate survival rate is high.
Accompanying drawing explanation
Fig. 1 is culture system structural representation; Fig. 2 is water treatment facilities anatomical connectivity schematic diagram; Fig. 3 is aerating device structural representation.
Embodiment
Be described in further details the present invention below by embodiment, these embodiments are only used for the present invention is described, do not limit the scope of the invention.
Embodiment 1 sets up a kind of Litopenaeus vannamei Broodstock culture system as Figure 1-3, comprises endless track pond 1, water treatment facilities 2 and aerating device 3.
Wherein, above-mentioned water treatment facilities 2 comprises the first ball valve 21, sieve bend 22, sandfiltration pot 23, foam separator 24, biological processor 25, ultraviolet sterilizing device 26 and the tank 27 that are connected successively.The sidewall in endless track pond 1 is provided with the water inlet pipe 4 of multiple connection tank, two sides waterwall 11 is provided with in the centre in endless track pond 1, delivery port is offered at the bottom of pond between two sides waterwall 11, delivery port is fitted with an outlet pipe 5, outlet pipe 5 upper end is provided with screen cloth 6, and lower end is connected with the first ball valve 21 of water treatment facilities 2.Aerating device 3 comprises air pump 31, gas tube 32, gas charging stone 33 and PVC semicircular plate 34, PVC semicircular plate 34 offers manhole 35, gas tube 32 one end is connected with air pump 31, the other end is connected with gas charging stone 33 through the manhole 35 on PVC semicircular plate 34, and PVC semicircular plate 34 oblique cutting is in endless track pond 1.
In a particular application, the large I in endless track pond 1 designs according to actual needs, suitably adjusts.Be described with an example below: pond is about 30m, pond is wide is 2.1m, and pond is 1.5m deeply; The centre being positioned at endless track pond is provided with two sides waterwall, and the wall thickness of each waterwall is 12 walls, is about 13.5 meters, and with the curved wall distance 1 meter in endless track pond, the spacing of two waterwalls is 1 meter.Design like this be convenient to breeding water body flow in pond formed circulation, with the natural animation of Artificial prawn.The delivery port that diameter is 6 cun is left in the centre of two waterwalls 11, and the bottom water be convenient in culturing pool flows out row relax of going forward side by side.
Water inlet pipe 4 is 45 ° with the side wall angle in endless track pond 1, and when this angle, the direction that in the impulse force formed when water flows out and culturing pool, cycle water flows is more consistent, and water inlet pipe is provided with 4, is arranged in the straight sidewall of endless track pond 1.
Drainpipe adopts pvc pipe, and the also uniform limbers offering 0.5cm on pvc pipe top, limbers wraps by above-mentioned screen cloth.Outlet pipe 5 is also connected with a drainpipe 7, drainpipe 7 is provided with the second ball valve 8, get rid of waste water during for cleaning pond or gathering in the crops close shrimp, in whole parent shrimp rearing process, the second ball valve 8 is in closed condition.
The culture system that embodiment 2 adopts embodiment 1 to set up, the parent shrimp rearing De Hai Industrial Co., Ltd. of Zhanjiang City adopts the parent shrimp rearing method in technical solution of the present invention to carry out 5 months:
(1) intake: after filtering sea is sterile-processed, disposablely add in endless track pond, open water treating apparatus is tried out, the depth of water in maintenance raceway pond is at 1.2 ~ 1.3 meters, ocean temperature 28 ~ 30 DEG C, sea water specific gravity 1.020 ~ 1.023, pH value 7.8 ~ 8.2;
(2) put seedling: select energetic, healthy and strong plentiful, health is transparent, and stomach and intestine are full, and body length is at 0.8 ~ 1.0cm, and body surface smooth is pickup thing not, the high shrimp seedling of regularity by 40 tails/square metre breeding density put into raceway pond; Shrimp seedling needs before putting in a suitable place to breed, through virus quarantine, to guarantee that shrimp seedling is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses;
(3) bait feeding: select high-quality, the manufactured feed of comprehensive nutrition throws something and feeds as bait, feeding volume is adjusted accordingly according to the Different growth phases of prawn and growing state, all eats up as suitable to throw something and feed in 1.5 hours; Throw something and feed and carry out by the following method: 1., prawn growth early stage throw something and feed day 2 times, day feeding volume be 5% of body weight; Throw something and feed prawn the middle and late growth stage day 4 times, day feeding volume be 5% of body weight;
2., adopt few mode of feeding many meal to carry out bait feeding, be no less than 4 times at shrimp Later growth bait throwing in every day number of times, Feeding time is respectively 5 points, 11 points, 17 points, 20 points;
(4) water environmental control: control the water environment in raceway pond by the following method
1., in culturing pool form circulation, Artificial prawn nature living environment: start aerating device, by inflating the energy produced, driving Chi Shui slowly to flow to same direction, forming circulation; Open water EGR, seawater flows back to culturing pool through water inlet pipe, and the impulse force formed when water is flowed out is consistent with the direction that cycle water in culturing pool flows;
2., open water treating apparatus: physics and chemistry process is carried out to the seawater in culturing pool by water treatment facilities, change depending on water quality determines the number of times of water circulation process, make the seawater the key technical indexes in culturing pool as follows: ammonia nitrogen≤1mg/l, nitrite≤0.2mg/l, nitrate≤20-24.15mg/l, chemical oxygen demand COD≤15mg/l, ss suspended solid≤1mg/l, dissolved oxygen DO >=5mg/L; Keep water without heterochromatic, peculiar smell in pond;
(5) gather in the crops: through the cultivation of 6 months, cultivating system was stable, and the specification of prawn reaches 35-50 gram/fish, had phallus between the 5th pair of step of male shrimp, female shrimp, without external receptaculum seminis, can be gathered in the crops the parent of cultivation, enter the reinforced cultivating stage.
In the present embodiment, obtaining parent shrimp rearing survival rate is 85%; The close shrimp bodily form of results is strong, and appendage perfects, and body colour is transparent, and stomach and intestine are full, body surface smooth, and without attachment, female specification is at 41.2 ± 2.4 grams/fish, and body grows 15.8 ± 0.3cm; Male specification is at 37.1 ± 2.3 grams/fish, and body grows 14.1 ± 0.2cm; Parent shrimp is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses.
The culture system that embodiment 3 adopts embodiment 1 to set up, the parent shrimp rearing De Hai Industrial Co., Ltd. of Zhanjiang City adopts the parent shrimp rearing method in technical solution of the present invention to carry out 5 months:
(1) intake: after filtering sea is sterile-processed, disposablely add in endless track pond, open water treating apparatus is tried out, the depth of water in maintenance raceway pond is at 1.2 ~ 1.3 meters, ocean temperature 28 ~ 30 DEG C, sea water specific gravity 1.020 ~ 1.023, pH value 7.8 ~ 8.2;
(2) put seedling: select energetic, healthy and strong plentiful, health is transparent, and stomach and intestine are full, and body length is at 0.8 ~ 1.0cm, and body surface smooth is pickup thing not, the high shrimp seedling of regularity by 50 tails/square metre breeding density put into raceway pond; Shrimp seedling needs before putting in a suitable place to breed, through virus quarantine, to guarantee that shrimp seedling is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses;
(3) bait feeding: select high-quality, the manufactured feed of comprehensive nutrition throws something and feeds as bait, feeding volume is adjusted accordingly according to the Different growth phases of prawn and growing state, all eats up as suitable to throw something and feed in 1.5 hours; Throw something and feed and carry out by the following method:
1., prawn growth early stage throw something and feed day 3 times, day feeding volume be 5% of body weight; Throw something and feed prawn the middle and late growth stage day 4 times, day feeding volume be 3% of body weight;
2., adopt few mode of feeding many meal to carry out bait feeding, be no less than 4 times at shrimp Later growth bait throwing in every day number of times, Feeding time is respectively 6 points, 12 points, 18 points, 22 points;
(4) water environmental control: control the water environment in raceway pond by the following method
1., in culturing pool form circulation, Artificial prawn nature living environment: start aerating device, by inflating the energy produced, driving Chi Shui slowly to flow to same direction, forming circulation; Open water EGR, seawater flows back to culturing pool through water inlet pipe, and the impulse force formed when water is flowed out is consistent with the direction that cycle water in culturing pool flows;
2., open water treating apparatus: physics and chemistry process is carried out to the seawater in culturing pool by water treatment facilities, change depending on water quality determines the number of times of water circulation process, make the seawater the key technical indexes in culturing pool as follows: ammonia nitrogen≤1mg/l, nitrite≤0.2mg/l, nitrate≤20-24.15mg/l, chemical oxygen demand COD≤15mg/l, ss suspended solid≤1mg/l, dissolved oxygen DO >=5mg/L; Keep water without heterochromatic, peculiar smell in pond;
(5) gather in the crops: through the cultivation of 7 months, cultivating system was stable, and the specification of prawn reaches 35-50 gram/fish, had phallus between the 5th pair of step of male shrimp, female shrimp, without external receptaculum seminis, can be gathered in the crops the parent of cultivation, enter the reinforced cultivating stage.
In the present embodiment, obtaining parent shrimp rearing survival rate is 88%; The close shrimp bodily form of results is strong, and appendage perfects, and body colour is transparent, and stomach and intestine are full, body surface smooth, and without attachment, female specification is at 41.5 ± 2.5 grams/fish, and body grows 16.0 ± 0.2cm; Male specification is at 37.5 ± 2.0 grams/fish, and body grows 14.3 ± 0.3cm; Parent shrimp is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses.

Claims (5)

1. a Litopenaeus vannamei Broodstock culture system, it is characterized in that: comprise endless track pond, water treatment facilities and aerating device, water treatment facilities comprises successively by the first ball valve that return pipe is connected, sieve bend, sandfiltration pot, foam separator, biological processor, ultraviolet sterilizing device and tank, the sidewall in endless track pond is provided with the water inlet pipe of multiple connection tank, two sides waterwall is provided with in the centre in endless track pond, delivery port is offered at the bottom of pond between the waterwall of two sides, delivery port is fitted with an outlet pipe, outlet pipe upper end is provided with screen cloth, lower end is connected with the first ball valve of water treatment facilities, aerating device comprises air pump, gas tube, gas charging stone and PVC semicircular plate, PVC semicircular plate offers manhole, gas tube one end is connected with air pump, the other end is connected with gas charging stone through the manhole on PVC semicircular plate, PVC semicircular plate oblique cutting is in endless track pond.
2. Litopenaeus vannamei Broodstock culture system according to claim 1, is characterized in that: the side wall angle in described water inlet pipe and endless track pond is 30 °-60 °.
3. Litopenaeus vannamei Broodstock culture system according to claim 1 and 2, is characterized in that: described drainpipe is pvc pipe, and the also uniform limbers offering 0.5cm on pvc pipe top, limbers wraps by described screen cloth.
4. Litopenaeus vannamei Broodstock culture system according to claim 3, is characterized in that: described outlet pipe is also connected with a drainpipe, drainpipe is provided with the second ball valve.
5. utilize above-mentioned Litopenaeus vannamei Broodstock culture system to cultivate a method for Litopenaeus vannamei Broodstock, it is characterized in that: carry out as follows:
(1) intake: after filtering sea is sterile-processed, disposablely add in endless track pond, open water treating apparatus is tried out, the depth of water in maintenance raceway pond is at 1.2 ~ 1.3 meters, ocean temperature 28 ~ 30 DEG C, sea water specific gravity 1.020 ~ 1.023, pH value 7.8 ~ 8.2;
(2) put seedling: select energetic, healthy and strong plentiful, health is transparent, and stomach and intestine are full, and body length is at 0.8 ~ 1.0cm, and body surface smooth is pickup thing not, the high shrimp seedling of regularity by 40 ~ 50 tails/square metre breeding density put into raceway pond; Described shrimp seedling needs before putting in a suitable place to breed, through virus quarantine, to guarantee that shrimp seedling is not with white spot virus (WSSV), Taura syndrome (TSV) and infectious subcutaneous and haematopoietic necrosis virus (IHHNV) three kinds of viruses;
(3) bait feeding: select high-quality, the manufactured feed of comprehensive nutrition throws something and feeds as bait, feeding volume is adjusted accordingly according to the Different growth phases of prawn and growing state, all eats up as suitable to throw something and feed in 1.5 hours; Throw something and feed and carry out by the following method: 1., prawn growth early stage throw something and feed 2-3 time day, day feeding volume be 5 ~ 7% of body weight; Throw something and feed prawn the middle and late growth stage day 4 times, day feeding volume be 3 ~ 5% of body weight;
2., adopt few mode of feeding many meal to carry out bait feeding, be no less than 4 times at shrimp Later growth bait throwing in every day number of times, Feeding time is respectively 5 ~ 6 points, 11 ~ 12 points, 17 ~ 18 points, 20 ~ 22 points;
(4) water environmental control: control the water environment in raceway pond by the following method
1., in culturing pool form circulation, Artificial prawn nature living environment: start aerating device, by inflating the energy produced, driving Chi Shui slowly to flow to same direction, in culturing pool, forming circulation; Open water EGR, seawater flows back to culturing pool through water inlet pipe, and the impulse force formed when water is flowed out is consistent with the direction that cycle water in culturing pool flows;
2., open water treating apparatus: physics and chemistry process is carried out to the seawater in culturing pool by water treatment facilities, change depending on water quality determines the number of times of water circulation process, make the seawater the key technical indexes in culturing pool as follows: ammonia nitrogen≤1mg/l, nitrite≤0.2mg/l, nitrate≤20-24.15mg/l, chemical oxygen demand COD≤15mg/l, ss suspended solid≤1mg/l, dissolved oxygen DO >=5mg/L; Keep water without heterochromatic, peculiar smell in pond;
(5) gather in the crops: through the cultivation of 6 ~ 7 months, cultivating system was stable, and the specification of prawn reaches 35-50 gram/fish, the long 15-18cm of body, have phallus between the 5th pair of step of male shrimp, female shrimp is without external receptaculum seminis, can gather in the crops the parent of cultivation, enter the reinforced cultivating stage.
CN201510339166.0A 2015-06-18 2015-06-18 Parent litopenaeus vannamei breeding system and method Pending CN104957072A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105746393A (en) * 2016-03-01 2016-07-13 上海海洋大学 Circulating water runway type shrimp aquaculture system and circulating water runway type shrimp aquaculture method
CN106614236A (en) * 2017-02-16 2017-05-10 广东顺德均健现代农业科技有限公司 Water movement culture track
CN106614188A (en) * 2016-12-22 2017-05-10 中国科学院南海海洋研究所 Non-directional mating litopenaeus vannamei full-sib family batch preparation method
CN108719169A (en) * 2018-05-29 2018-11-02 佛山佛塑科技集团股份有限公司 Low emission batch production shrimp ecosystem
CN109122445A (en) * 2018-08-27 2019-01-04 中国水产科学研究院黄海水产研究所 A kind of parent shrimp rearing method improving litopenaeus vannamei breeding performance

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