CN104719232B - Tilapia mossambica fry nursery pond and method based on net cages - Google Patents
Tilapia mossambica fry nursery pond and method based on net cages Download PDFInfo
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- CN104719232B CN104719232B CN201510066233.6A CN201510066233A CN104719232B CN 104719232 B CN104719232 B CN 104719232B CN 201510066233 A CN201510066233 A CN 201510066233A CN 104719232 B CN104719232 B CN 104719232B
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- net cage
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- tilapia mossambica
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a tilapia mossambica fry nursery pond based on net cages. The tilapia mossambica fry nursery pond comprises a nursery pond body provided with wood bridges. The wood bridges are parallel to the two sides of the wide edges of the nursery pond body. Each wood bridge comprises a support paved with a panel, wherein the two ends of the panel are buckled on the long edges of the nursery pond body, steel wire ropes are arranged on the two sides of the wood bridge and the wide edges of the nursery pond body and provided with the net cages, the long edges of the net cages are parallel to the wide edges of the pond, and the four corners of each net cage are fixed through sand bags. The number of the meshes of each net cage is 60. Air stone and food platforms are arranged in the net cages. The invention further discloses a tilapia mossambica fry nursery method based on the net cages, the net cages are utilized for breeding the tilapia mossambica fry, 4.2 million of fry can be bred at the same time, and the survival rate can reach more than 90 percent. Land resources can be saved, the fry breeding and managing work can be simplified, the fry survival rate is increased, the fry cost is reduced, and therefore the tilapia mossambica yield coverage rate can be improved.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of Tilapia mossambica fry nursery pond based on net cage, this
Invention further relates to a kind of method for culturing seedlings of the Tilapia mossambica fry based on net cage.
Background technology
Tilapia mossambica is a kind of middle-size and small-size fish, is the cultured freshwater fish of the emphasis scientific research culture of world's aquatic products industry, and is praised
One of main source for following animal protein, is the main freshwater aquiculture kind and trump-cards in the export of kind of China.Rofe
Fish originates in Africa, belongs to the tropic fishes of Family Cichlidae, with feeding habits are miscellaneous, lower oxygen concentration resistance, strong reproductive capacity the features such as.In Hainan, extensively
The southern areas such as east, Guangxi and Fujian have become the main producing region of China Tilapia mossambica, and cultured area and yield increase year by year, China
Main Tilapia mossambica breed variety is gift tilapia and Sarotherodon sp.
Fish culture in net pen is a high-tech developed in recent years cultivation project, with cultivation density it is big, yield is high, behaviour
Make simple and convenient, easy management, the features such as survival rate is high.Net cage fry is, by the boxes and baskets by made by mesh sheet, in placing pond, to enter
A kind of mode of production of row fry rearing.High density culture can be carried out to fry, casing is preferable with rectangle.Every net cage area
For several square metres to more than ten square metres, the high 1.5-1.8 rice of case.
For a long time, breeding tilapia fries mode mainly has nursery and pond nursery, traditional washing basin in washing basin
Seedling raising mannerses have land occupation area it is many, cultivation fry unit intensity it is little, cultivation seed quantity it is little, feeding and management intricate operation
The features such as.Since earlier 2000s, China's Tilapia mossambica aquaculture industry has obtained quick development, and large-scale cultivation just advise by tool
Mould, with quality requirement more and more higher of the fast development of Tilapia mossambica large-scale cultivation pattern to seed, traditional washing basin is educated
Seedling mode, it is impossible to meet and cultivate the large batch of demand for synchronizing seed in batch.In the nursery of pond, fry size can not be same
Step, it is difficult to obtain the fry of batch high-quality development.
At present, in China due to the nursery workshop high cost of industrial seedling rearing, industrial breeding technique imperfection, Tilapia mossambica
Industrial seedling rearing degree is not high.Explore the method by carrying out raising in cage Tilapia mossambica fry in pond, effectively save soil
Resource, simplifies fry feeding and management work, reduces seedling cost, efficiently production high-quality Tilapia mossambica fry, improves Tilapia mossambica breeding
Coverage rate, provides high-quality Technique of Raising Seeedling and supports for Tilapia mossambica large-scale cultivation.
The content of the invention
It is an object of the invention to provide a kind of Tilapia mossambica fry nursery pond based on net cage.
It is a further object of the present invention to provide a kind of method for culturing seedlings of the Tilapia mossambica fry based on net cage, using net cage fry
Cultivating techniques, economize the land resource, and simplify fry feeding and management work, improve survival rate of fish fry, reduce seedling cost, efficiently raw
The synchronous high-quality Tilapia mossambica fry of high-volume is produced, so as to improve Tilapia mossambica breeding coverage rate.
First technical scheme of the present invention is that a kind of Tilapia mossambica fry nursery pond based on net cage, its feature exists
In, including nursery pond body, wooden bridge is provided with nursery pond body, wooden bridge is parallel with the broadside both sides of nursery pond body, wooden bridge
Including support, panel is equipped with support, the two ends of panel are erected on the long side of nursery pond body；The both sides of wooden bridge and nursery
Steel wire rope is provided with the broadside of pond body, net cage is provided with steel wire rope, the long side of net cage is parallel with the broadside in pond, often
4 angles of individual net cage are fixed with sandbag；The mesh of net cage is 60 mesh；Gas stone and food platform are provided with net cage.
Of the invention the characteristics of, also resides in,
Wooden bridge is at least provided with 2.
Net cage is at least provided with two.
The length × width × height of nursery pond body is 50.0m × 30.0m × 2.0m；Wooden bridge width 1.0m；The length of net cage × wide ×
A height of 4.0m × 2.0m × 1.5m.
It is 5.0m often to arrange the gap between the net cage of wooden bridge net cage and another row's wooden bridge.
Gas stone and food platform are at least provided with two.
Second technical scheme of the present invention is that a kind of method for culturing seedlings of the Tilapia mossambica fry based on net cage is adopted
The described Tilapia mossambica fry nursery pond based on net cage, specifically implements according to following steps：
Step 1, to based on net cage Tilapia mossambica fry nursery pond in pour water, water through the mesh of two-layer 60 mesh sheet filter, water
Temperature is 25-28 DEG C, and pH value is 7.2-7.5, and transparency is 25-30 ㎝, and dissolved oxygen is more than 4.0mg/L, depth of water 1.5m.Per 7 days
Water 1 time is changed, quantity of exchanged water is the 30% of water
Step 2, the membrane fry of 2 days collected, are steeped 10 minutes with 20 ‰ salt water enchroachment (invasion), are put in net cage and are cultivated,
Each net cage puts 5.0 ten thousand tails in a suitable place to breed, and density is 6250 Wei/㎡；
Step 3, nursery are processed, and throw in bait, and the open-mouthed bait of fry is eel material and the mixed fodder of fingerling material, ratio
For 5：5, blunge it is agglomerating feed, feeding volume is 50g/ ten thousand days, is divided into 4 times/day and is fed；Feeding time is morning 8：
00-9:00, noon 11:00-12:00, afternoon 4:30-5:30, evening 9:00-10:00；Cultivation 12 days, Tilapia mossambica fry body is long
2.2-2.5 ㎝ are reached, cultivation is thrown in or fry is sold.
Of the invention the characteristics of, also resides in,
During step 3 nursery is processed, per 3-4 days, with microexamination Tilapia mossambica fry, if there is trichodinasis to break out, immediately
Concentration splash for the copper sulphate and ferrous sulfate (5 of 0.7ppm in the full pool：2) Trichodina with fry, is killed；If it was found that having three generations
Parasitosis is broken out, and immediately the full pool is splashed formalin solution, and concentration is 60ppm.
The invention has the beneficial effects as follows：The inventive method utilizes raising in cage Tilapia mossambica fry, and a pond can train simultaneously
Educate 4,200,000 fries, survival rate to more than 90%.The present invention economizes the land resource, and simplifies fry feeding and management work, improves fish
Shoot survival percent, reduces seedling cost, efficiently the synchronous high-quality Tilapia mossambica fry of production high-volume, covers so as to improve Tilapia mossambica breeding
Rate.
Description of the drawings
Fig. 1 is that structural formula of the present invention based on the Tilapia mossambica fry nursery pond of net cage is intended to；
Fig. 2 is the plan that the present invention arranges net cage in pond.
In figure, 1. nursery pond body, 2. wooden bridge, 3. support, 4. panel, 5. steel wire rope, 6. net cage, 7. gas stone, 8. eats platform.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in detail.
The present invention provides a kind of Tilapia mossambica fry nursery pond based on net cage, as depicted in figs. 1 and 2, including nursery pond sheet
Body 1, is provided with wooden bridge 2 on nursery pond body 1, wooden bridge 2 is parallel with the broadside both sides of nursery pond body 1, and wooden bridge 2 includes support 3,
Panel 4 is equipped with support 3, the two ends of panel 4 are erected on the long side of nursery pond body 1；The both sides of wooden bridge 2 and nursery pond sheet
Steel wire rope 5 is provided with the broadside of body 1, net cage 6 is provided with steel wire rope 5, the long side of net cage 6 is parallel with the broadside in pond,
4 angles of each net cage 6 are fixed with sandbag；The mesh of net cage 6 is 60 mesh；Gas stone 7 and food platform 8 are provided with net cage 6.
Wooden bridge 2 is at least provided with 2.Net cage 6 is at least provided with two.The length × width × height of nursery pond body 1 is 50.0m
×30.0m×2.0m；The width 1.0m of wooden bridge 2；The length × width × height of net cage 6 is 4.0m × 2.0m × 1.5m.Often arrange wooden bridge net cage with
Gap between the net cage of another row's wooden bridge is 5.0m.Gas stone 7 and food platform 8 are at least provided with two.
The present invention also provides a kind of method for culturing seedlings of the Tilapia mossambica fry based on net cage, using described sieve based on net cage
Non- fish fry nursery pond, specifically implements according to following steps：
Step 1, to based on net cage Tilapia mossambica fry nursery pond in pour water, water through the mesh of two-layer 60 mesh sheet filter, water
Temperature is 25-28 DEG C, and pH value is 7.2-7.5, and transparency is 25-30 ㎝, and dissolved oxygen is more than 4.0mg/L, depth of water 1.5m.Per 7 days
Water 1 time is changed, quantity of exchanged water is the 30% of water
Step 2, the membrane fry of 2 days collected, are steeped 10 minutes with 20 ‰ salt water enchroachment (invasion), are put in net cage and are cultivated,
Each net cage puts 5.0 ten thousand tails in a suitable place to breed, and density is 6250 Wei/㎡；
Step 3, nursery are processed, and throw in bait, and the open-mouthed bait of fry is eel material and the mixed fodder of fingerling material, ratio
For 5：5, blunge it is agglomerating feed, feeding volume is 50g/ ten thousand days, is divided into 4 times/day and is fed；Feeding time is morning 8：
00-9:00, noon 11:00-12:00, afternoon 4:30-5:30, evening 9:00-10:00；Cultivation 12 days, Tilapia mossambica fry body is long
2.2-2.5 ㎝ are reached, cultivation is thrown in or fry is sold；During nursery is processed, per 3-4 days, with microexamination Tilapia mossambica fry, if
There is trichodinasis to break out, immediately mass ratio is splashed for 5 in the full pool:2nd, concentration is the copper sulphate and ferrous sulfate of 0.7ppm, kills fish
Trichodina with seedling；If it was found that there is gyrodactyliasis to break out, immediately the full pool is splashed formalin solution, and concentration is 60ppm.
Embodiment 1
Nursery pond (the Tilapia mossambica fry nursery pond based on net cage) is 1500 ㎡, the specification length (50.0m) in pond × wide
(30.0m) × high (2.0m).There is the row of wooden bridge 4 in pond.Wooden bridge is parallel with the broadside both sides in pond, and wooden bridge does support by timber,
Bridge floor is tiled by plank, is fixed with iron nail and is formed.Wire is placed in wooden bridge width 1.0m, wooden bridge both sides, hangs net cage, often arranges wooden bridge
Gap between the net cage of net cage and another row's wooden bridge is 5.0m.It is 7 often to arrange net cage quantity, and the full pool can arrange 84, net cage.Net
Case is hung in the both sides of wooden bridge and the both sides in pond, and the long side of net cage is parallel with the broadside in pond, and 4 angles of each net cage are husky
Bag is fixed, shapes net cage.The specification of net cage is specification length (4.0m) × wide (the 2.0m) × height (1.5m) of net cage, and mesh is 60
Mesh.Each net cage arranges 4, gas stone, food platform (0.3 ㎡) 4.Pond water for larval nursing, filters, water through the mesh sheet of the mesh of two-layer 60
Temperature is 25.0-28.0 DEG C, and pH value is 7.2-7.5, and transparency is 25.0-30.0 ㎝, and dissolved oxygen is more than 4mg/L, depth of water 1.5m.
Water 1 time was changed per 7 days, quantity of exchanged water is the 30% of water.Air blast 1, power is 3000 watts.
According to process above condition：
1st, nursery pond be 1500 ㎡, specification length (50.0m) × wide (the 30.0m) × height (2.0m) in pond.Pond nursery
With water, filter through the mesh sheet of the mesh of two-layer 60, water temperature is 25-28 DEG C, pH value is 7.2-7.5, transparency is 25-30 ㎝, is dissolved
Oxygen be more than 4.0mg/L, depth of water 1.5m.Water 1 time was changed per 7 days, quantity of exchanged water is the 30% of water.
2nd, the membrane fry of 2 days collected, is steeped 10 minutes with 20 ‰ salt water enchroachment (invasion).It is put in net cage and is cultivated, each
Net cage puts 5.0 ten thousand tails in a suitable place to breed, and density is 6250 Wei/㎡.
3rd, the open-mouthed bait of fry is the mixed fodder of eel material and fingerling material, and ratio is 5：5, agglomerating throwing of blunging
Hello, feeding volume is 50g/ ten thousand days, is divided into 4 times/day and is fed.Feeding time is morning 8：00-9:00, noon 11:00-
12:00, afternoon 4:30-5:30, evening 9:00-10:00.Cultivation 12 days, Tilapia mossambica fry body length reaches 2.2-2.5 ㎝, can throw
Put in a suitable place to breed and grow or fry sale.
4th, per 3-4 days, with microexamination Tilapia mossambica fry, if there is trichodinasis to break out, immediately the full pool is splashed copper sulphate
With ferrous sulfate (5:2), concentration is 0.7ppm, kills the Trichodina with fry.If it was found that there is gyrodactyliasis to break out, immediately entirely
The pool is splashed formalin solution, and concentration is 60ppm.
The inventive method utilizes raising in cage Tilapia mossambica fry, and a pond can simultaneously cultivate 4,200,000 fries, survival rate
To more than 90%.The present invention economizes the land resource, and simplifies fry feeding and management work, improves survival rate of fish fry, reduce nursery into
This, efficiently produces the synchronous high-quality Tilapia mossambica fry of high-volume, so as to improve Tilapia mossambica breeding coverage rate.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also make many variations to it.
Claims (8)
1. a kind of Tilapia mossambica fry nursery pond based on net cage, it is characterised in that including nursery pond body (1), the nursery pond
Wooden bridge (2) is provided with body (1), the wooden bridge (2) is parallel with the broadside both sides of nursery pond body (1), the wooden bridge (2)
Including support (3), panel (4) is equipped with the support (3), the two ends of the panel (4) are erected on nursery pond body (1)
Long side on；Steel wire rope (5), the steel wire are provided with the both sides of the wooden bridge (2) and the broadside of nursery pond body (1)
Net cage (6) is provided with rope (5), the long side of the net cage (6) is parallel with the broadside in pond, 4 angles of each net cage (6) are used
Sandbag is fixed；The mesh of the net cage (6) is 60 mesh；Gas stone (7) and food platform (8) are provided with the net cage (6).
2. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, it is characterised in that the wooden bridge (2) is extremely
2 are provided with less.
3. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, it is characterised in that the net cage (6) is extremely
Two are provided with less.
4. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, it is characterised in that the nursery pond sheet
The length × width × height of body (1) is 50.0m × 30.0m × 2.0m；Wooden bridge (2) the width 1.0m；The length × width × height of net cage (6)
For 4.0m × 2.0m × 1.5m.
5. the Tilapia mossambica fry nursery pond based on net cage according to claim 2, it is characterised in that often arrange wooden bridge net cage
It is 5.0m with the gap between the net cage of another row's wooden bridge.
6. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, it is characterised in that the gas stone (7) and
Food platform (8) is at least provided with two.
7. a kind of method for culturing seedlings of the Tilapia mossambica fry based on net cage, it is characterised in that using any one of the claims 1-6
The described Tilapia mossambica fry nursery pond based on net cage, specifically implements according to following steps：
Step 1, pour water into the Tilapia mossambica fry nursery pond based on net cage, water is filtered through the mesh sheet of the mesh of two-layer 60, and water temperature is
25-28 DEG C, pH value is 7.2-7.5, and transparency is 25-30 ㎝, and dissolved oxygen is more than 4.0mg/L, depth of water 1.5m；Water was changed per 7 days
1 time, quantity of exchanged water is the 30% of water；
Step 2, the membrane fry of 2 days collected, are steeped 10 minutes with 20 ‰ salt water enchroachment (invasion), are put in net cage and are cultivated, each
Net cage puts 5.0 ten thousand tails in a suitable place to breed, and density is 6250 Wei/㎡；
Step 3, nursery are processed, and throw in bait, and the open-mouthed bait of fry is the mixed fodder of eel material and fingerling material, and ratio is
5：5, blunge it is agglomerating feed, feeding volume is 50g/ ten thousand days, is divided into 4 times/day and is fed；Feeding time is morning 8：
00-9:00, noon 11:00-12:00, afternoon 4:30-5:30, evening 9:00-10:00；Cultivation 12 days, Tilapia mossambica fry body is long
2.2-2.5 ㎝ are reached, cultivation is thrown in or fry is sold.
8. the method for culturing seedlings of the Tilapia mossambica fry based on net cage according to claim 7, it is characterised in that the step 3
During nursery is processed, per 3-4 days, with microexamination Tilapia mossambica fry, if there is trichodinasis to break out, immediately the full pool was splashed quality
Than for 5:2nd, concentration is the copper sulphate and ferrous sulfate of 0.7ppm, kills the Trichodina with fry；If it was found that having gyrodactyliasis
Break out, immediately the full pool is splashed formalin solution, and concentration is 60ppm.
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| CN201510066233.6A CN104719232B (en) | 2015-02-07 | 2015-02-07 | Tilapia mossambica fry nursery pond and method based on net cages |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105994100B (en) * | 2016-06-15 | 2022-02-25 | 浙江省海洋水产研究所 | Seawater fish seedling raising device and method |
| CN106172144B (en) * | 2016-09-13 | 2019-04-16 | 中国水产科学研究院淡水渔业研究中心 | A method of promoting gift tilapia seed uniform growth and immunologic facilitation |
| CN107211934A (en) * | 2017-06-08 | 2017-09-29 | 何庆堃 | Tilapia mossambica cage culture |
| CN108935274B (en) * | 2018-07-20 | 2020-11-17 | 通威股份有限公司 | Closed type culture container for high-density culture of tilapia fries |
| CN109984060A (en) * | 2019-03-18 | 2019-07-09 | 信丰县神灯农业科技有限公司 | A kind of young crucian mating system based on net cage |
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| CN203040422U (en) * | 2013-01-31 | 2013-07-10 | 中国水产科学研究院淡水渔业研究中心 | Enemy prevention and treatment device in coilia ectenes offspring seed pond cultivation |
| CN103314910A (en) * | 2013-06-21 | 2013-09-25 | 徐州市水产技术推广站 | Industrial loach breeding and fry culturing method |
| CN103385187A (en) * | 2013-06-28 | 2013-11-13 | 镇江水中仙渔业发展有限公司 | Plagiognathops microlepis fish and sturgeon intercropping method |
| CN204518889U (en) * | 2015-02-07 | 2015-08-05 | 广西壮族自治区水产科学研究院 | A kind of Tilapia mossambica fry nursery pond based on net cage |
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2015
- 2015-02-07 CN CN201510066233.6A patent/CN104719232B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499431B1 (en) * | 2001-12-21 | 2002-12-31 | Formosa High-Tech Aquaculture, Inc. | Indoor automatic aquaculture system |
| CN203040422U (en) * | 2013-01-31 | 2013-07-10 | 中国水产科学研究院淡水渔业研究中心 | Enemy prevention and treatment device in coilia ectenes offspring seed pond cultivation |
| CN103314910A (en) * | 2013-06-21 | 2013-09-25 | 徐州市水产技术推广站 | Industrial loach breeding and fry culturing method |
| CN103385187A (en) * | 2013-06-28 | 2013-11-13 | 镇江水中仙渔业发展有限公司 | Plagiognathops microlepis fish and sturgeon intercropping method |
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Granted publication date: 20170510 Termination date: 20190207 |