CN110278900A - A kind of yellow croaker deep-sea breeding net cage and cultural method - Google Patents
A kind of yellow croaker deep-sea breeding net cage and cultural method Download PDFInfo
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- CN110278900A CN110278900A CN201910714945.2A CN201910714945A CN110278900A CN 110278900 A CN110278900 A CN 110278900A CN 201910714945 A CN201910714945 A CN 201910714945A CN 110278900 A CN110278900 A CN 110278900A
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- 241001596950 Larimichthys crocea Species 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009395 breeding Methods 0.000 title claims abstract description 16
- 230000001488 breeding effect Effects 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000009360 aquaculture Methods 0.000 claims abstract description 34
- 244000144974 aquaculture Species 0.000 claims abstract description 34
- 241000251468 Actinopterygii Species 0.000 claims abstract description 11
- 241000356842 Larimichthys polyactis Species 0.000 claims description 13
- 238000004873 anchoring Methods 0.000 claims description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 8
- 201000010099 disease Diseases 0.000 claims description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000036541 health Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 235000010323 ascorbic acid Nutrition 0.000 claims description 4
- 229960005070 ascorbic acid Drugs 0.000 claims description 4
- 239000011668 ascorbic acid Substances 0.000 claims description 4
- 235000012255 calcium oxide Nutrition 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 4
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- MCPLVIGCWWTHFH-UHFFFAOYSA-L methyl blue Chemical compound [Na+].[Na+].C1=CC(S(=O)(=O)[O-])=CC=C1NC1=CC=C(C(=C2C=CC(C=C2)=[NH+]C=2C=CC(=CC=2)S([O-])(=O)=O)C=2C=CC(NC=3C=CC(=CC=3)S([O-])(=O)=O)=CC=2)C=C1 MCPLVIGCWWTHFH-UHFFFAOYSA-L 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000011109 contamination Methods 0.000 claims description 2
- 235000013305 food Nutrition 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 241001474374 Blennius Species 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 230000037396 body weight Effects 0.000 abstract description 4
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- 230000008901 benefit Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 241001014327 Anodontia Species 0.000 description 1
- 241000723353 Chrysanthemum Species 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 240000004980 Rheum officinale Species 0.000 description 1
- 235000008081 Rheum officinale Nutrition 0.000 description 1
- 241001439627 Schistostoma Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 206010002583 anodontia Diseases 0.000 description 1
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- 235000013332 fish product Nutrition 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to field of marine product cultivation technology, more particularly to a kind of yellow croaker deep-sea breeding net cage, including upper frame and lower frame, case net is fixedly installed between upper frame and lower frame surrounding, another group of case net is fixedly installed in the middle part of lower frame, lower frame bottom side quadrangle edge is provided with clump weight by lanyard, connecting rod is installed by being welded and fixed at two outer ledges before and after upper frame and lower frame, buoyancy casing is nested in connecting rod middle-end, the outer ledge of upper frame all around is welded with fixing hanger, the present invention provides a kind of ocean yellow croaker cultural methods, compared to the yellow croaker cultural method of general pond type, the cage structure on sea bed is taken root by the flowing and stabilization of ocean water flow, it is sufficient to guarantee that the water body in each group aquaculture net cage exchanges, to the cage culture method compared to pond type, promote fish body Reinforcement activity in water, so that the yellow croaker living body meat of cultivation is abundant, rate of body weight gain is high.
Description
Technical field
The present invention relates to field of marine product cultivation technology, and in particular to a kind of yellow croaker deep-sea breeding net cage and cultivation side
Method.
Background technique
Cage culture originating from countries in Southeast Asia such as Cambodia at the end of the 19th century, after get forwarded to all over the world.1970s,
China has started cage culture, due to cage culture have the characteristics that small investment, yield it is high, can be motor-driven, quick, short
Between short decades, lake, sea area and reservoir throughout the country flourishes.Chrysanthemum fish head blunt point shape, schistostoma is big, holds position,
Inclination, kiss do not protrude, and the outermost column tooth of the upper jaw expands as canine tooth, and front end tooth is larger, but relatively dredge, and front center is anodontia.Side upper half
Portion is puce, and lower half is golden yellow, and light-emitting particles are orange-yellow.Dorsal fin fawn, tail fin fawn, non-edge are dark brown
Color, stern, abdomen and pectoral fin are foresythia, white in oral cavity, peristoma light red.Larimichthys crocea was once one of China Important Economic fish, was made
For rare economic fish, big little yellow croaker comes popular among consumers for a long time, which belongs to warm warm nature cluster and swim fish, often inhabits
Lower layer in coastal waters within 60 meters of the depth of water.
With the improvement of people ' s living standards with the enhancing of health perception, the requirement to aquatic products is higher and higher, and offshore is floating
The traction and competitiveness of formula Pseudosciaena crocea continue to decline, and certainly will affect the self-growth of industry.Although state
Inside start to research and develop the new ant algorithms such as deep-water net cage culture, the quality of cultured large yellow croaker can have been improved in various degree, but promote scale
It is largely limited by factors such as marine environment, natural calamity, fund costs with speed.At quite long one section from now on
In time therefore how rheum officinale fish culture in China's, promotes its cultured large yellow croaker into fish products still based on the cultivation of offshore floating cage
Matter, and stable large cage cultivation structure how is realized in ocean, it is in the urgent need to address in yellow croaker industry development
Problem, therefore the present inventor has developed a kind of yellow croaker deep-sea breeding net cage and cultural method herein, to solve the above problems.
Summary of the invention
It is mentioned above to solve the problems, such as the invention discloses a kind of yellow croaker deep-sea breeding net cage and cultural method.
Specific technical solution is as follows:
A kind of yellow croaker deep-sea breeding net cage, including upper frame and lower frame, between the upper frame and the lower frame surrounding
Be fixedly installed with case net, be fixedly installed with another group in the middle part of the lower frame described in case net, four corner edge of lower frame bottom side
Place is provided with clump weight by lanyard, by the way that installation is welded and fixed at two outer ledges before and after the upper frame and the lower frame
There is connecting rod, buoyancy casing is nested in the connecting rod middle-end, the outer ledge of the upper frame all around is welded and fixed
There is a fixing hanger, two outer ledges are provided with anchoring rope at middle-end before and after the upper frame, described in adjacent two groups in left and right
The flexible hook rope of hooking between the fixing hanger being arranged on the inside of upper frame.
Preferably, the elastic hook rope includes hook, spring, sleeve, slide bar and limited block, is set at left and right sides of the sleeve
The tapping set be fixedly installed with two groups described in spring, the side of spring described in two groups towards outer end is fixedly installed with the extension
Hook, hook inside described in two groups are equipped with the slide bar by being welded and fixed, intert on the inside of slide bar described in two groups into the sleeve
Inside, the limited block are fixedly mounted on the inner end of the slide bar, slide bar setting mutually nested with the spring.
Preferably, the fixing hanger hooking being arranged at the left and right outer end edges of the upper frame is provided with floating ball.
Further, it is sequentially included the following steps: using the cultural method that above-mentioned yellow croaker deep-sea culture net cage is realized
1) launch fry: enabling throw-in density of the little yellow croaker in single net cage is 15 ~ 22 tails/m3, enable Larimichthys crocea in single net cage
Interior throw-in density is 5 ~ 8 tails/m3, the fry launched should select to be well-proportioned, fall off without scale or other diseases；
2) feeding: to little yellow croaker aquaculture net cage, the dispensing weight of each feeding feed is the 10 ~ 15% of little yellow croaker weight, daily to throw
Food 3 times；To Larimichthys crocea aquaculture net cage, the dispensing weight of each feeding feed is the 5 ~ 8% of Larimichthys crocea weight, daily feeding 2 times；
3) it sterilizes: using the mixed component of quick lime, chlorine dioxide and methyl blue, aquaculture net cage inside being given monthly 1 ~ 2 time
Regularly sterilize；
4) clear up and manage: every 15 ~ 20 day period carries out salvaging cleaning to aquaculture net cage bottom side case net, removes precipitating therein
Impurity thing, and check the health condition of fry in net cage, residual yellow croaker disease damage wound and die is removed immediately.
Preferably, in the step 1, should select the relatively slow, Larger water depths by inshore side water flow be 3 ~ 6 meters, seabed without
A large amount of reefs, the free of contamination position of sound production aquaculture net cage of water cleaning, the anchoring rope in cage structure is fixed on sea bed, is enabled
The hooking connection structure of net cage is arranged towards seawater water (flow) direction longitudinal arrangement.
Preferably, wherein each material composition is by weight for feed in the step 2: 8 ~ 12 parts of milt, wheat flour 14 ~ 18
Part, 4 ~ 6 parts of ascorbic acid, 7 ~ 13 parts of dish leaf, 10 ~ 16 parts and 9 ~ 15 parts of water plant of seawood meal.
It preferably,, can be in aquaculture net cage when the water temperature of aquaculture sea area is lower than 10 DEG C in the management process of the step 5
It is interior to use fin heater, keep range of the water temperature in cultivation fish pond at 15 ~ 25 DEG C.
The invention has the benefit that
1, aquaculture net cage provided by the invention, simple and stable structure is convenient to carry out batch production manufacture to net cage, passes through elastic hook
Connection arranged in parallel before and after Suo Nengling multiple groups net cage, it is convenient that extensive, multi-quantity cultivation is carried out to yellow croaker in ocean, and
By being connected before and after each group aquaculture net cage, enabling cage structure preferably to resist the stormy waves in ocean, avoiding wind
Wave is excessive and individual net cages is caused to be detached from and fix since anchoring is unstable, plays the effect of stable net cage position.
2 and be arranged by using the flexible connection that elastic hook rope carrys out mutual hooking each group net cage so that two groups of hooks it
Between length distance can change with the flexible of spring, connect compared to the rigidity for directly fixing each group net cage with linkage component
Binding structure enables each group aquaculture net cage effectively to buffer and resist the water flow fluctuation of seawater.
3, ocean yellow croaker cultural method of the invention passes through ocean water compared to the yellow croaker cultural method of general pond type
The flowing of stream and the stable water body exchange abundance taken root the cage structure on sea bed, guarantee in each group aquaculture net cage, thus
Compared to the cage culture method of pond type, promote the reinforcement activity of fish body in water, so that the yellow croaker living body meat of cultivation is rich
Rate of body weight gain rich, after cultivation is high.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram of aquaculture net cage of the present invention；
Fig. 2 is the agent structure schematic diagram of single aquaculture net cage in the present invention；
Fig. 3 is the structural schematic diagram of elastic hook rope in the present invention.
In figure: the upper frame of 1-, 2- lower frame, 3- case net, 4- clump weight, 5- connecting rod, 6- buoyancy casing, 7- are fixed to be hung
Ear, 8- are anchored rope, 9- elasticity hook rope, 91- hook, 92- spring, 93- sleeve, 94- slide bar, 95- limited block, 10- floating ball.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1
A kind of yellow croaker deep-sea breeding net cage, including upper frame 1 and lower frame 2, it is fixed between 2 surrounding of upper frame 1 and lower frame
Case net 3 is installed, another group of case net 3 is fixedly installed in the middle part of lower frame 2,2 bottom side quadrangle edge of lower frame is set by lanyard
It is equipped with clump weight 4, connecting rod 5 is installed by being welded and fixed at two outer ledges before and after upper frame 1 and lower frame 2, connecting rod 5
It is nested with buoyancy casing 6 in middle-end, the outer ledge of upper frame 1 all around is welded with fixing hanger 7, before upper frame 1
Two outer ledges are provided with anchoring rope 8, the fixing hanger 7 being arranged on the inside of frame 1 on adjacent two groups in left and right at middle-end afterwards
Between the flexible hook rope 9 of hooking.
Specifically, elastic hook rope 9 includes hook 91, spring 92, sleeve 93, slide bar 94 and limited block 95, sleeve 93 or so
The tapping of two sides setting is fixedly installed with two groups of springs 92, and the side of two groups of springs 91 towards outer ends is fixedly installed with hook
91, slide bar 94 is installed by being welded and fixed on the inside of two groups of hooks 91, is interted on the inside of two groups of slide bars 94 into inside sleeve 93, is limited
Block 95 is fixedly mounted on the inner end of slide bar 94, the setting mutually nested with spring 92 of slide bar 94, the left and right outer end edges of upper frame 1
7 hooking of fixing hanger being arranged at edge is provided with floating ball 10.
Using above-mentioned yellow croaker deep-sea culture net cage, the little yellow croaker cultural method of realization is sequentially included the following steps:
1) launch fry: enabling throw-in density of the little yellow croaker in single net cage is 15 tails/m3, the fry launched should select figure
It is well-balanced, fall off without scale or other diseases；
2) feeding: to little yellow croaker aquaculture net cage, the dispensing weight of each feeding feed is the 15% of little yellow croaker weight, daily feeding 3
It is secondary；
3) sterilize: using the mixed component of quick lime, chlorine dioxide and methyl blue, to aquaculture net cage inside give monthly 2 times it is fixed
The disinfection of phase；
4) clear up and manage: every 16 day period carries out salvaging cleaning to aquaculture net cage bottom side case net 3, and it is miscellaneous to remove precipitating therein
Matter object, and check the health condition of fry in net cage, residual yellow croaker disease damage wound and die is removed immediately.
In step 1, it should select by inshore side water flow, relatively slow, Larger water depths are 3 ~ 6 meters, seabed is without a large amount of reefs, water
Anchoring rope 8 in cage structure is fixed on sea bed, enables the hooking of net cage by the position of sound production aquaculture net cage of matter cleanliness without any pollution
Connection structure is arranged towards seawater water (flow) direction longitudinal arrangement.
Wherein each material composition is by weight for feed in step 2: 12 parts of milt, 14 parts of wheat flour, 4 parts of ascorbic acid,
9 parts of dish leaf, 16 parts of seawood meal and 12 parts of water plant.
It, can be in aquaculture net cage using finned when the water temperature of aquaculture sea area is lower than 10 DEG C in the management process of step 5
Heater keeps the water temperature in cultivation fish pond in the range of 15 ~ 25 DEG C.
Embodiment 2
A kind of yellow croaker deep-sea breeding net cage, including upper frame 1 and lower frame 2, it is fixed between 2 surrounding of upper frame 1 and lower frame
Case net 3 is installed, another group of case net 3 is fixedly installed in the middle part of lower frame 2,2 bottom side quadrangle edge of lower frame is set by lanyard
It is equipped with clump weight 4, connecting rod 5 is installed by being welded and fixed at two outer ledges before and after upper frame 1 and lower frame 2, connecting rod 5
It is nested with buoyancy casing 6 in middle-end, the outer ledge of upper frame 1 all around is welded with fixing hanger 7, before upper frame 1
Two outer ledges are provided with anchoring rope 8, the fixing hanger 7 being arranged on the inside of frame 1 on adjacent two groups in left and right at middle-end afterwards
Between the flexible hook rope 9 of hooking.
Specifically, elastic hook rope 9 includes hook 91, spring 92, sleeve 93, slide bar 94 and limited block 95, sleeve 93 or so
The tapping of two sides setting is fixedly installed with two groups of springs 92, and the side of two groups of springs 91 towards outer ends is fixedly installed with hook
91, slide bar 94 is installed by being welded and fixed on the inside of two groups of hooks 91, is interted on the inside of two groups of slide bars 94 into inside sleeve 93, is limited
Block 95 is fixedly mounted on the inner end of slide bar 94, the setting mutually nested with spring 92 of slide bar 94, the left and right outer end edges of upper frame 1
7 hooking of fixing hanger being arranged at edge is provided with floating ball 10.
Using above-mentioned yellow croaker deep-sea culture net cage, the Larimichthys crocea cultural method of realization is sequentially included the following steps:
1) launch fry: throw-in density of the Larimichthys crocea in single net cage is 8 tails/m3, the fry launched should select figure even
Claim, fall off without scale or other diseases；
2) feeding: to Larimichthys crocea aquaculture net cage, the dispensing weight of each feeding feed is the 8% of Larimichthys crocea weight, daily feeding 2
It is secondary；
3) sterilize: using the mixed component of quick lime, chlorine dioxide and methyl blue, to aquaculture net cage inside give monthly 2 times it is fixed
The disinfection of phase；
4) clear up and manage: every 15 day period carries out salvaging cleaning to aquaculture net cage bottom side case net 3, and it is miscellaneous to remove precipitating therein
Matter object, and check the health condition of fry in net cage, residual yellow croaker disease damage wound and die is removed immediately.
In step 1, it should select by inshore side water flow, relatively slow, Larger water depths are 3 ~ 6 meters, seabed is without a large amount of reefs, water
Anchoring rope 8 in cage structure is fixed on sea bed, enables the hooking of net cage by the position of sound production aquaculture net cage of matter cleanliness without any pollution
Connection structure is arranged towards seawater water (flow) direction longitudinal arrangement.
Wherein each material composition is by weight for feed in step 2: 12 parts of milt, 18 parts of wheat flour, 4 parts of ascorbic acid,
7 parts of dish leaf, 12 parts of seawood meal and 9 parts of water plant.
It, can be in aquaculture net cage using finned when the water temperature of aquaculture sea area is lower than 10 DEG C in the management process of step 5
Heater keeps the water temperature in cultivation fish pond in the range of 15 ~ 25 DEG C.
To big little yellow croaker cultural method used by embodiment 1 in cultural method provided by the invention and embodiment 2, pressing
After the above method cultivates 210, fry final survival rate and fry are calculated compared to rate of body weight gain when initially launching.And it chooses
Traditional little yellow croaker sea farming method as a comparison case 1, traditional Pseudosciaena crocea Marine cultural method as a comparison case 2, respectively
The cultivation place launched the yellow croaker fry of same breed and quantity with embodiment 1, embodiment 2, and two groups of comparative experimentss is enabled to choose
It is mutually close with the sea area place chosen in the embodiment of the present invention, and equally carry out culture-cycle on the 210th, as in parallel to having a competition
It tests, the data result that test experiments finally obtain, referring to table 1.
Table 1 compares culture experiment result
By above-mentioned and traditional yellow croaker sea farming method comparative test result it is found that being cultivated by using yellow croaker of the invention
Net cage and use yellow croaker cultural method provided by the present invention, effectively increase the rate of body weight gain of yellow croaker survival rate and cultivation,
And cultivation obtains yellow croaker product, the sense of meat taste is good, is conducive to carry out sales promotion.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of yellow croaker deep-sea breeding net cage, including upper frame (1) and lower frame (2), it is characterised in that: the upper frame
(1) it is fixedly installed with case net (3) between the lower frame (2) surrounding, is fixedly installed with another group in the middle part of the lower frame (2)
The case net (3), lower frame (2) the bottom side quadrangle edge are provided with clump weight (4) by lanyard, the upper frame (1)
It is equipped with connecting rod (5) at two outer ledges before and after the lower frame (2) by being welded and fixed, connecting rod (5) middle-end
On be nested with buoyancy casing (6), the outer ledge of the upper frame (1) all around is welded with fixing hanger (7), described
Two outer ledges are provided with anchoring rope (8) at middle-end before and after upper frame (1), described in adjacent two groups in left and right upper frame (1)
The flexible hook rope of hooking (9) between the fixing hanger (7) of inside setting.
2. a kind of yellow croaker deep-sea breeding net cage according to claim 1, it is characterised in that: the elasticity hook rope (9) is wrapped
Hook (91), spring (92), sleeve (93), slide bar (94) and limited block (95) are included, is arranged at left and right sides of the sleeve (93)
Tapping be fixedly installed with two groups described in spring (92), the side of spring described in two groups (91) towards outer end is fixedly installed with described
It links up with (91), is equipped with the slide bar (94) on the inside of hook (91) described in two groups by being welded and fixed, slide bar described in two groups (94)
Inside is interted into the sleeve (93) inside, and the limited block (95) is fixedly mounted on the inner end of the slide bar (94), institute
State slide bar (94) setting mutually nested with the spring (92).
3. a kind of yellow croaker deep-sea breeding net cage according to claim 1, it is characterised in that: a left side for the upper frame (1)
The fixing hanger (7) hooking being arranged at right outer end edges is provided with floating ball (10).
4. a kind of yellow croaker deep-sea breeding net cage described according to claim 1 ~ 3, it is characterised in that: utilize above-mentioned yellow croaker deep-sea
The cultural method that aquaculture net cage is realized sequentially includes the following steps:
1) launch fry: enabling throw-in density of the little yellow croaker in single net cage is 15 ~ 22 tails/m3, enable Larimichthys crocea in single net cage
Throw-in density be 5 ~ 8 tails/m3, the fry launched should select to be well-proportioned, fall off without scale or other diseases；
2) feeding: to little yellow croaker aquaculture net cage, the dispensing weight of each feeding feed is the 10 ~ 15% of little yellow croaker weight, daily to throw
Food 3 times；To Larimichthys crocea aquaculture net cage, the dispensing weight of each feeding feed is the 5 ~ 8% of Larimichthys crocea weight, daily feeding 2 times；
3) it sterilizes: using the mixed component of quick lime, chlorine dioxide and methyl blue, aquaculture net cage inside being given monthly 1 ~ 2 time
Regularly sterilize；
4) clear up and manage: every 15 ~ 20 day period carries out salvaging cleaning to aquaculture net cage bottom side case net (3), and it is therein heavy to remove
Shallow lake impurity thing, and check the health condition of fry in net cage, residual yellow croaker disease damage wound and die is removed immediately.
5. a kind of yellow croaker deep-sea breeding net cage according to claim 4, it is characterised in that: in the step 1, should select
The relatively slow, Larger water depths by inshore side water flow are 3 ~ 6 meters, seabed is without a large amount of reefs, the free of contamination position of sound production of water cleaning
Anchoring rope (8) in cage structure is fixed on sea bed, enables the hooking connection structure of net cage towards seawater water flow side by aquaculture net cage
It is arranged to longitudinal arrangement.
6. a kind of yellow croaker deep-sea breeding net cage according to claim 4, it is characterised in that: in the step 2 feed its
In each material composition by weight: 8 ~ 12 parts of milt, 14 ~ 18 parts of wheat flour, 4 ~ 6 parts of ascorbic acid, 7 ~ 13 parts of dish leaf, seaweed
10 ~ 16 parts and 9 ~ 15 parts of water plant of powder.
7. a kind of yellow croaker deep-sea breeding net cage according to claim 4, it is characterised in that: the management of the step 5
Cheng Zhong can use fin heater when the water temperature of aquaculture sea area is lower than 10 DEG C in aquaculture net cage, keep in cultivation fish pond
Range of the water temperature at 15 ~ 25 DEG C.
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