CN204518889U - A kind of Tilapia mossambica fry nursery pond based on net cage - Google Patents
A kind of Tilapia mossambica fry nursery pond based on net cage Download PDFInfo
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- CN204518889U CN204518889U CN201520091303.9U CN201520091303U CN204518889U CN 204518889 U CN204518889 U CN 204518889U CN 201520091303 U CN201520091303 U CN 201520091303U CN 204518889 U CN204518889 U CN 204518889U
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- net cage
- nursery pond
- tilapia mossambica
- fry
- wooden bridge
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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
Abstract
The utility model discloses a kind of Tilapia mossambica fry nursery pond based on net cage, comprise nursery pond body, nursery pond body is provided with wooden bridge, wooden bridge is parallel with the broadside both sides of nursery pond body, wooden bridge comprises support, support is equipped with panel, and the two ends of panel are erected on the long limit of nursery pond body; The both sides of wooden bridge and the broadside of nursery pond body are provided with steel wire rope, steel wire rope is provided with net cage, the long limit of net cage is parallel with the broadside in pond, and 4 angle sandbags of each net cage are fixed; The mesh of net cage is 60 orders; Gas stone and food platform is provided with in net cage.The utility model method utilizes raising in cage Tilapia mossambica fry, and can cultivate 4,200,000 fries, survival rate is to more than 90% simultaneously.The utility model economizes the land resource, and simplifies fry feeding and management work, improves survival rate of fish fry, reduce seedling cost, thus improves Tilapia mossambica breeding coverage rate.
Description
Technical field
The utility model belongs to technical field of aquaculture, is specifically related to a kind of Tilapia mossambica fry nursery pond based on net cage.
Background technology
Tilapia mossambica is a kind of middle-size and small-size fish, and being the cultured freshwater fish that the emphasis scientific research of World Water industry is cultivated, and being described as one of main source of following animal protein, is main freshwater aquiculture kind and the trump-cards in the export of kind of China.Tilapia mossambica originates in Africa, belongs to the tropic fishes of Family Cichlidae, has the features such as feeding habits are assorted, lower oxygen concentration resistance, fertility are strong.In Hainan, Guangdong, the southern area such as Guangxi and Fujian become the main producing region of China Tilapia mossambica, and cultured area and output increase year by year, and the main Tilapia mossambica breed variety of China is gift tilapia and Sarotherodon sp.
Fish culture in net pen is high-tech cultivation project that development in recent years is got up, and has that cultivation density is large, output is high, simple to operation, manageable, survival rate high.Net cage fry is the boxes and baskets will be made up of mesh sheet, places in pond, carries out a kind of mode of production of fry rearing.Can carry out high density culture to fry, casing is better with rectangle.Every net cage area is several square metres to tens square metres, case height 1.5-1.8 rice.
For a long time, breeding tilapia fries mode mainly contains nursery and pond nursery in washing basin, and traditional washing basin seedling raising manners has that land occupation area is many, cultivation fry unit intensity is little, and cultivation seed quantity is little, the features such as feeding and management intricate operation.Since earlier 2000s; China's Tilapia mossambica aquaculture industry obtains and develops fast; large-scale cultivation begins to take shape; along with the quality requirement of fast development to seed of Tilapia mossambica large-scale cultivation pattern is more and more higher; traditional washing basin seedling raising manners, can not meet the demand of cultivating the large batch of seed of synchronization in batch.In the nursery of pond, fry size can not be synchronous, is difficult to the fry obtaining the growth of batch high-quality.
At present, in China because the nursery workshop cost of factorial seedling growth is high, industrial breeding technique imperfection, industrial Tilapia seedling-raising degree is not high.Explore the method by carrying out raising in cage Tilapia mossambica fry in pond; effectively economize the land resource; simplify fry feeding and management work; reduce seedling cost; High-efficient Production high-quality Tilapia mossambica fry; improve Tilapia mossambica breeding coverage rate, for Tilapia mossambica large-scale cultivation provides high-quality Technique of Raising Seeedling to support.
Utility model content
The purpose of this utility model is to provide a kind of Tilapia mossambica fry nursery pond based on net cage, utilize net cage technique of fry rearing, economize the land resource, simplify fry feeding and management work, improve survival rate of fish fry, reduce seedling cost, High-efficient Production synchronous high-quality Tilapia mossambica fry in enormous quantities, thus improve Tilapia mossambica breeding coverage rate.
The technical scheme that the utility model adopts is, a kind of Tilapia mossambica fry nursery pond based on net cage, it is characterized in that, comprise nursery pond body, nursery pond body is provided with wooden bridge, and wooden bridge is parallel with the broadside both sides of nursery pond body, and wooden bridge comprises support, support is equipped with panel, and the two ends of panel are erected on the long limit of nursery pond body; The both sides of wooden bridge and the broadside of nursery pond body are provided with steel wire rope, steel wire rope is provided with net cage, the long limit of net cage is parallel with the broadside in pond, and 4 angle sandbags of each net cage are fixed; The mesh of net cage is 60 orders; Gas stone and food platform is provided with in net cage.
Feature of the present utility model is also,
Wooden bridge is at least established only has 2.
Net cage is at least established only has two.
Length × wide × the height of nursery pond body is 50.0m × 30.0m × 2.0m; The wide 1.0m of wooden bridge; Length × wide × the height of net cage is 4.0m × 2.0m × high 1.5m.
The gap of often arranging between wooden bridge net cage and another net cage arranging wooden bridge is 5.0m.
Gas stone and food platform are all at least provided with two.
The beneficial effects of the utility model are: the utility model method utilizes raising in cage Tilapia mossambica fry, and 4,200,000 fries can be cultivated in a pond simultaneously, and survival rate is to more than 90%.The utility model economizes the land resource, and simplifies fry feeding and management work, improves survival rate of fish fry, reduce seedling cost, High-efficient Production synchronous high-quality Tilapia mossambica fry in enormous quantities, thus improves Tilapia mossambica breeding coverage rate.
Accompanying drawing explanation
To be the utility model be intended to based on the structural formula of the Tilapia mossambica fry nursery pond of net cage Fig. 1;
Fig. 2 is the plane that the utility model 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. eat platform.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The utility model provides a kind of Tilapia mossambica fry nursery pond based on net cage, as depicted in figs. 1 and 2, comprise nursery pond body 1, nursery pond body 1 is provided with wooden bridge 2, wooden bridge 2 is parallel with the broadside both sides of nursery pond body 1, wooden bridge 2 comprises support 3, support 3 is equipped with panel 4, and the two ends of panel 4 are erected on the long limit of nursery pond body 1; The both sides of wooden bridge 2 and the broadside of nursery pond body 1 are provided with steel wire rope 5, steel wire rope 5 are provided with net cage 6, the long limit of net cage 6 is parallel with the broadside in pond, and 4 angle sandbags of each net cage 6 are fixed; The mesh of net cage 6 is 60 orders; Gas stone 7 and food platform 8 is provided with in net cage 6.
Wooden bridge 2 is at least established only has 2.Net cage 6 is at least established only has two.Length × wide × the height of nursery pond body 1 is 50.0m × 30.0m × 2.0m; The wide 1.0m of wooden bridge 2; Length × wide × the height of net cage 6 is 4.0m × 2.0m × high 1.5m.The gap of often arranging between wooden bridge net cage and another net cage arranging wooden bridge is 5.0m.Gas stone 7 and food platform 8 are all at least provided with two.
The utility model also provides the seedling-cultivating method of a kind of Tilapia mossambica fry based on net cage, adopts the Tilapia mossambica fry nursery pond based on net cage described in the claims, specifically implements according to following steps:
Step 1, pour water to based in the Tilapia mossambica fry nursery pond of net cage, water filters through two-layer 60 object mesh sheet, and 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.Within every 7 days, change water 1 time, quantity of exchanged water is 30% of Chi Shui
Step 2, the membrane fry of 2 days of collecting, steep 10 minutes with the salt water enchroachment (invasion) of 20 ‰, put into net cage and cultivate, 5.0 ten thousand tails put in a suitable place to breed by each net cage, and density is 6250 tails/㎡;
Step 3, nursery process, throw in bait, the open-mouthed bait of fry is the mixed feed of eel material and fingerling material, and ratio is 5:5, agglomerating throwing something and feeding of blunging, and feeding volume is 50g/ ten thousand days, is divided into 4 times/day to throw something and feed; Feeding time is 8:00-9:00 in morning, noon 11:00-12:00, afternoon 4:30-5:30, evening 9:00-10:00; Cultivate 12 days, Tilapia mossambica fry body reaches 2.2-2.5 ㎝, throws in cultivation or fry sale; In nursery process, every 3-4 days, with microexamination Tilapia mossambica fry, if there is trichodinasis to break out, full pool concentration of splashing is copper sulphate and the ferrous sulfate (5:2) of 0.7ppm immediately, kills fry Trichodina with it; If find that there is gyrodactyliasis to break out, splash formalin solution in the full pool immediately, and concentration is 60ppm.
Embodiment 1
Nursery pond (the Tilapia mossambica fry nursery pond based on net cage) is 1500 ㎡, long (50.0m) × wide (the 30.0m) × height (2.0m) of specification in pond.Wooden bridge 4 is had to arrange in pond.Wooden bridge is parallel with the broadside both sides in pond, and wooden bridge does support by timber, and bridge floor is tiled by plank, fixedly forms with iron nail.The wide 1.0m of wooden bridge, wire is placed in wooden bridge both sides, hanging net cage, and the gap of often arranging between wooden bridge net cage and another net cage arranging wooden bridge is 5.0m.Often arranging net cage quantity is 7, and 84, net cage can be arranged in the full pool.Net cage hanging is in the both sides of wooden bridge and the both sides in pond, and the long limit of net cage is parallel with the broadside in pond, and 4 angle sandbags of each net cage are fixed, and net cage is shaped.The specification of net cage is long (4.0m) × wide (the 2.0m) × height (1.5m) of specification of net cage, and mesh is 60 orders.Each net cage arranges 4, gas stone, food platform (0.3 ㎡) 4.Pond water for larval nursing, filter through two-layer 60 object mesh sheet, water 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.Within every 7 days, change water 1 time, quantity of exchanged water is 30% of Chi Shui.Fan blower 1, power is 3000 watts.
According to above process conditions:
1, nursery pond is 1500 ㎡, long (50.0m) × wide (the 30.0m) × height (2.0m) of specification in pond.Pond water for larval nursing, filter through two-layer 60 object mesh sheet, 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.Within every 7 days, change water 1 time, quantity of exchanged water is 30% of Chi Shui.
The membrane fry of 2 days of 2, collecting, steeps 10 minutes with the salt water enchroachment (invasion) of 20 ‰.Put into net cage to cultivate, 5.0 ten thousand tails put in a suitable place to breed by each net cage, and density is 6250 Wei/㎡.
3, the open-mouthed bait of fry is the mixed feed of eel material and fingerling material, and ratio is 5:5, agglomerating throwing something and feeding of blunging, and feeding volume is 50g/ ten thousand days, is divided into 4 times/day to throw something and feed.Feeding time is 8:00-9:00 in morning, noon 11:00-12:00, afternoon 4:30-5:30, evening 9:00-10:00.Cultivate 12 days, Tilapia mossambica fry body reaches 2.2-2.5 ㎝, can throw in cultivation or fry sale.
4, every 3-4 days, with microexamination Tilapia mossambica fry, if there is trichodinasis to break out, splash copper sulphate and ferrous sulfate (5:2) in the full pool immediately, and concentration is 0.7ppm, kills fry Trichodina with it.If find that there is gyrodactyliasis to break out, splash formalin solution in the full pool immediately, and concentration is 60ppm.
The utility model method utilizes raising in cage Tilapia mossambica fry, and 4,200,000 fries can be cultivated in a pond simultaneously, and survival rate is to more than 90%.The utility model economizes the land resource, and simplifies fry feeding and management work, improves survival rate of fish fry, reduce seedling cost, High-efficient Production synchronous high-quality Tilapia mossambica fry in enormous quantities, thus improves Tilapia mossambica breeding coverage rate.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, many variations can also be made to it.
Claims (6)
1. the Tilapia mossambica fry nursery pond based on net cage, it is characterized in that, comprise nursery pond body (1), described nursery pond body (1) is provided with wooden bridge (2), described wooden bridge (2) is parallel with the broadside both sides of nursery pond body (1), described wooden bridge (2) comprises support (3), described support (3) is equipped with panel (4), the two ends of described panel (4) are erected on the long limit of nursery pond body (1); The both sides of described wooden bridge (2) and the broadside of nursery pond body (1) are provided with steel wire rope (5), described steel wire rope (5) is provided with net cage (6), the long limit of described net cage (6) is parallel with the broadside in pond, and 4 angle sandbags of each net cage (6) are fixed; The mesh of described net cage (6) is 60 orders; Gas stone (7) and food platform (8) is provided with in described net cage (6).
2. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, is characterized in that, described wooden bridge (2) is at least established only has 2.
3. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, is characterized in that, described net cage (6) is at least established only has two.
4. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, is characterized in that, the length × wide × height of described nursery pond body (1) is 50.0m × 30.0m × 2.0m; Described wooden bridge (2) wide 1.0m; Length × wide × the height of net cage (6) is 4.0m × 2.0m × high 1.5m.
5. the Tilapia mossambica fry nursery pond based on net cage according to claim 2, is characterized in that, the gap of often arranging between wooden bridge net cage and another net cage arranging wooden bridge is 5.0m.
6. the Tilapia mossambica fry nursery pond based on net cage according to claim 1, is characterized in that, described gas stone (7) and food platform (8) are all at least provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091303.9U CN204518889U (en) | 2015-02-07 | 2015-02-07 | A kind of Tilapia mossambica fry nursery pond based on net cage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520091303.9U CN204518889U (en) | 2015-02-07 | 2015-02-07 | A kind of Tilapia mossambica fry nursery pond based on net cage |
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| CN204518889U true CN204518889U (en) | 2015-08-05 |
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| CN201520091303.9U Withdrawn - After Issue CN204518889U (en) | 2015-02-07 | 2015-02-07 | A kind of Tilapia mossambica fry nursery pond based on net cage |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104719232A (en) * | 2015-02-07 | 2015-06-24 | 广西壮族自治区水产科学研究院 | Tilapia mossambica fry nursery pond and method based on net cages |
| CN107047421A (en) * | 2017-05-15 | 2017-08-18 | 何庆堃 | The cage culture method of Tilapia mossambica |
| US20220007619A1 (en) * | 2020-07-08 | 2022-01-13 | Hainan Tropical Ocean University | Method for artificial rearing of porcupine pufferfish fry in indoor cement pond |
-
2015
- 2015-02-07 CN CN201520091303.9U patent/CN204518889U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104719232A (en) * | 2015-02-07 | 2015-06-24 | 广西壮族自治区水产科学研究院 | Tilapia mossambica fry nursery pond and method based on net cages |
| CN104719232B (en) * | 2015-02-07 | 2017-05-10 | 广西壮族自治区水产科学研究院 | Tilapia mossambica fry nursery pond and method based on net cages |
| CN107047421A (en) * | 2017-05-15 | 2017-08-18 | 何庆堃 | The cage culture method of Tilapia mossambica |
| US20220007619A1 (en) * | 2020-07-08 | 2022-01-13 | Hainan Tropical Ocean University | Method for artificial rearing of porcupine pufferfish fry in indoor cement pond |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20170510 |
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| AV01 | Patent right actively abandoned |