CN114793973A - Red crayfish fry production facility and use method thereof - Google Patents
Red crayfish fry production facility and use method thereof Download PDFInfo
- Publication number
- CN114793973A CN114793973A CN202210414815.9A CN202210414815A CN114793973A CN 114793973 A CN114793973 A CN 114793973A CN 202210414815 A CN202210414815 A CN 202210414815A CN 114793973 A CN114793973 A CN 114793973A
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- producing
- fry
- seedling
- groove
- crayfish
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- 241000238017 Astacoidea Species 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 241000238557 Decapoda Species 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 241000238030 Procambarus clarkii Species 0.000 claims abstract description 10
- 230000003203 everyday effect Effects 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000002354 daily effect Effects 0.000 claims description 3
- 235000013601 eggs Nutrition 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000009395 breeding Methods 0.000 abstract description 6
- 230000001488 breeding effect Effects 0.000 abstract description 6
- 230000004083 survival effect Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 11
- 239000004033 plastic Substances 0.000 description 11
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- 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
- A01K61/17—Hatching, e.g. incubators
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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 invention discloses a crayfish fry producing facility and a using method, wherein a fry producing groove of the crayfish fry producing facility comprises a fry producing groove and a fry producing box, the fry producing groove is a water groove with a trapezoidal section and two closed ends, one end of the fry producing groove is provided with a water inlet pipe, the other end of the fry producing groove is provided with an overflow pipe and a drain pipe, the overflow pipe is vertically connected with a bottom plate of the fry producing groove, the lower end of the overflow pipe extends out of the fry producing groove and is connected with the drain pipe, and the mouths of the water inlet pipe and the overflow pipe are both coated with bolting silk filter screens; produce the seedling case include box frame and the outer pocket of cladding box frame, produce the seedling case and set up a plurality ofly and tile on the bottom plate of producing the seedling groove. According to the invention, one female shrimp holding a brownish red egg is placed in each seedling-producing box, the seedling-producing tank is kept in a micro-flowing state, and the shrimp seedlings are drained every day and collected for centralized cultivation. The invention overcomes the defect of low survival rate of artificial breeding of the shrimp larvae of the red swamp crayfish.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a red crayfish breeding facility, in particular to a red crayfish seedling producing facility and a use method thereof.
Background
The red chelate crayfish is originally produced in Australia and the southern United states, is introduced into China in 90 years, is cultured in Guangdong, Guangxi, Zhejiang, Jiangsu, Hubei, Zhejiang and the like, and becomes an important aquatic resource in China. The red swamp crayfish has good sex, strong mutual residual feeding habit and low fry breeding survival rate, and the development of the red swamp crayfish industry is restricted. Before the method, the artificial propagation of the red swamp crayfish mostly adopts a soil pond and a cement pond for natural propagation, because the contact probability of parent crayfish and shrimp fries is larger, the shrimp fries are seriously killed, and the propagation survival rate of the shrimp fries is less than 30 percent.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fry producing facility for crayfish and a use method thereof, which aim to solve the problem of low survival rate of crayfish fry breeding.
The technical scheme for solving the technical problems is as follows: the utility model provides a fry producing facility for the red crayfish, which comprises a fry producing groove and a fry producing box, wherein the fry producing groove is a water groove with a trapezoidal section and two closed ends, one end of the fry producing groove is provided with a water inlet pipe, the other end of the fry producing groove is provided with an overflow pipe and a drain pipe, the overflow pipe is vertically connected with a bottom plate of the fry producing groove, the lower end of the overflow pipe extends out of the fry producing groove to be connected with the drain pipe, and the mouths of the water inlet pipe and the overflow pipe are both coated with bolting silk filter screens; produce the seedling case include box frame and the outer pocket of cladding box frame, produce the seedling case and set up a plurality ofly and tile on the bottom plate of producing the seedling groove.
As a further optimization of the scheme, the water inlet pipe is transversely connected to an end plate at one end of the seedling producing groove, the top of the water inlet pipe is 2-3cm lower than the top of the seedling producing groove, and the top of the overflow pipe is 2-3cm lower than the top of the seedling producing groove.
In a further preferred embodiment of the present invention, the mesh number of the bolting silk screen is 20 meshes.
As a further optimization of the scheme, the mesh bag is a polyethylene mesh with a mesh of 0.7-1.0 cm.
The invention also provides a use method of the device for producing the fry of the red swamp crayfish, which comprises the following steps: in the fry producing season of the red swamp crayfish, injecting water into the fry producing groove until the overflow pipe overflows and keeps a micro-water flowing state, flatly paving the fry producing boxes on the bottom plates of the fry producing groove in an end-to-end manner until the bottom plates of the fry producing groove are fully paved, and selecting the egg-carrying crayfish with the maroon color of the eggs to be placed into the fry producing boxes, wherein one shrimp is in each box;
after the egg-carrying shrimps are put into the spawning box for stocking, feeding the shrimps once in the morning and at night every day, wherein the daily feeding rate is 6-8% of the weight of the egg-carrying shrimps;
after stocking the egg-carrying shrimps into a fry-laying box, monitoring the shrimps once a day, observing the day after the shrimps exist in the water body of the fry-laying tank, draining water every day, collecting the shrimps once for centralized cultivation;
and after the shrimp seedlings are observed in the water body in the seedling tank, checking the seedling production condition of the egg-carrying shrimps every 2-3 days, taking out the empty female shrimps and supplementing the egg-carrying shrimps.
Compared with the prior art, the method can realize the separation of the parent shrimps and the produced shrimp seeds, and the shrimp seeds are collected by micro-flowing water for individual cultivation, thereby reducing the probability of cannibalism of the shrimp seeds and improving the survival rate of seed breeding; the invention has wide material source, convenient manufacture, storage and transportation and small occupied area, and can be applied to the breeding fields of the red swamp crayfish with different scales.
Drawings
FIG. 1 is a schematic view of the structure of the seedling-producing trough of the present invention.
FIG. 2 is a schematic view of the structure of the seedling box of the present invention.
In the figure, 1, a seedling producing groove, 2, a water inlet pipe, 3, an overflow pipe, 4, a water discharge pipe, 5, a seedling producing box, 6 and a mesh bag.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the crayfish procumbent fry producing facility comprises a fry producing groove 1 and a fry producing box 5, wherein the fry producing groove 1 is a plastic groove, the cross section of the fry producing groove 1 is trapezoidal, two ends of the fry producing groove are closed, namely, the fry producing groove 1 is similar to a ship, a water inlet pipe 2 is arranged on an end plate at one closed end, an overflow pipe 3 and a water outlet pipe 4 are arranged at the other end of the fry producing groove 1, the overflow pipe 3 is vertically connected to a bottom plate of the fry producing groove 1, the lower end of the overflow pipe extends out of the fry producing groove 1 and is connected with the water outlet pipe 4, and the mouths of the water inlet pipe 2 and the overflow pipe 3 are both coated with bolting silk filter screens. Produce seedling case 5 by box frame and pocket 6 and constitute, the pocket 6 cladding is outside the box frame, and 6 one sides of pocket are the slipknot mouth, produce seedling case 5 and set up a plurality ofly and tile on the bottom plate of producing seedling groove 1.
When the invention is implemented specifically, the seedling producing groove 1 is a trapezoidal plastic groove with the width of 15-20cm and the height of 20-25cm, and two ends of the seedling producing groove 1 are sealed by plastic baffles with the same width and height to form a trapezoidal water tank. A plastic water inlet pipe with the diameter of 2.5-3.0cm is arranged on a plastic baffle at one end of the trapezoidal water tank, the water inlet pipe 2 is transversely connected on the plastic baffle, the top of the water inlet pipe 2 is 2.0-3.0cm lower than the top of the seedling producing tank 1, and a 20-mesh bolting silk filter screen is coated on the pipe orifice. The other end of the seedling producing groove 1 is provided with a drainage device, the drainage device is formed by connecting an overflow pipe 3 and a drain pipe 4, the overflow pipe 3 is a plastic water pipe with the diameter of 2.0-2.5cm, the plastic water pipe is vertically arranged on a bottom plate of the seedling producing groove 1 and extends out of the seedling producing groove 1 to be connected with the drain pipe 4, the pipe top of the plastic water pipe is 2.0-3.0cm lower than the top of the seedling producing groove 1, the pipe opening of the plastic water pipe is coated with a 20-mesh bolting silk filter screen, when the plastic water pipe is used, the diameter of the drain pipe 4 is 2.5-3.0cm, and one end of the overflow pipe 3 is inserted into the drain pipe 4 to realize connection. Produce seedling groove 1 and can place with putting the stack of thing iron stand according to the place in service behavior, produce 5 end to end flats of seedling case and produce on the bottom plate of seedling groove 1.
The frame of the box body of the seedling box 5 is a metal square frame, the metal square frame is formed by welding metal pipelines with the diameter of 0.3-0.5cm into a square frame with the length of 20-25cm, the width of 10-12 cm and the height of 5-6cm, the mesh bag 6 is a polyethylene mesh with the mesh of 0.7-1.0cm and is 40-50cm long and 31-38cm wide, and a movable shrimp inlet is reserved on one side of the top end of the mesh bag 6 in a slipknot binding mode.
The application method of the device for producing the fry of the red swamp crayfish comprises the following steps: in the fry producing season of the red swamp crayfish, injecting water into the fry producing groove until the overflow pipe overflows and keeps a micro-water flowing state, flatly paving the fry producing boxes on the bottom plates of the fry producing groove in an end-to-end manner until the bottom plates of the fry producing groove are fully paved, and selecting the egg-carrying crayfish with the maroon color of the eggs to be placed into the fry producing boxes, wherein one shrimp is in each box;
after the egg-carrying shrimps are put into the spawning box for stocking, feeding the shrimps once in the morning and at night every day, wherein the daily feeding rate is 6-8% of the weight of the egg-carrying shrimps;
after stocking the egg-carrying shrimps into a fry-laying box, monitoring the shrimps once a day, observing the day after the shrimps exist in the water body of the fry-laying tank, draining water every day, collecting the shrimps once for centralized cultivation;
and (4) after shrimp seedlings are observed in the water body in the seedling-producing groove, checking the seedling-producing condition of the egg-carrying shrimps every 2-3 days, taking out the empty female shrimps and supplementing the egg-carrying shrimps.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A red swamp crayfish produces seedling facility which characterized in that: the seedling production tank is a water tank with a trapezoidal section and two closed ends, one end of the seedling production tank is provided with a water inlet pipe, the other end of the seedling production tank is provided with an overflow pipe and a water drain pipe, the overflow pipe is vertically connected to a bottom plate of the seedling production tank, the lower end of the overflow pipe extends out of the seedling production tank and is connected with the water drain pipe, and the orifices of the water inlet pipe and the overflow pipe are both coated with bolting-silk filter screens; produce the seedling case include box frame and the outer pocket of cladding box frame, produce the seedling case and set up a plurality ofly and tile on the bottom plate of producing the seedling groove.
2. The crayfish fry producing facility of claim 1, wherein: the water inlet pipe is transversely connected to an end plate at one end of the seedling producing groove, the top of the water inlet pipe is 2-3cm lower than that of the seedling producing groove, and the top of the overflow pipe is 2-3cm lower than that of the seedling producing groove.
3. The crayfish fry producing facility as claimed in claim 1, wherein: the mesh number of the bolting silk filter screen is 20 meshes.
4. The crayfish fry producing facility as claimed in claim 1, wherein: the mesh bag is a polyethylene mesh with a mesh of 0.7-1.0 cm.
5. A method for using a crayfish fry producing facility is characterized in that in the crayfish fry producing season, water is injected into a fry producing groove until an overflow pipe overflows and the state of micro-water flow is kept, fry producing boxes are flatly laid on a fry producing groove bottom plate in an end-to-end mode until the fry producing groove bottom plate is fully laid, and the egg-carrying crayfish with brownish red eggs are selected and placed into the fry producing boxes, wherein each box is provided with one shrimp;
after the egg-carrying shrimps are put into the spawning box for stocking, feeding the shrimps once in the morning and at night every day, wherein the daily feeding rate is 6-8% of the weight of the egg-carrying shrimps;
after stocking the egg-carrying shrimps into a fry-laying box, monitoring the shrimps once a day, observing the day after the shrimps exist in the water body of the fry-laying tank, draining water every day, collecting the shrimps once for centralized cultivation;
and (4) after shrimp seedlings are observed in the water body in the seedling-producing groove, checking the seedling-producing condition of the egg-carrying shrimps every 2-3 days, taking out the empty female shrimps and supplementing the egg-carrying shrimps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414815.9A CN114793973A (en) | 2022-04-20 | 2022-04-20 | Red crayfish fry production facility and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414815.9A CN114793973A (en) | 2022-04-20 | 2022-04-20 | Red crayfish fry production facility and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114793973A true CN114793973A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210414815.9A Pending CN114793973A (en) | 2022-04-20 | 2022-04-20 | Red crayfish fry production facility and use method thereof |
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| CN (1) | CN114793973A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107683812A (en) * | 2017-08-31 | 2018-02-13 | 浦江县酉泽水产科技有限公司 | The foster shrimp equipment of high density environmental protection |
| CN109479800A (en) * | 2018-12-03 | 2019-03-19 | 安徽省农业科学院水产研究所 | It is a kind of can lamination efficient industrial cultivation porous shrimp nest |
| CN111406683A (en) * | 2019-01-08 | 2020-07-14 | 澄迈盛虾林农业科技有限公司 | Method for cultivating Australia freshwater lobster fry |
| CN112136740A (en) * | 2020-10-29 | 2020-12-29 | 广西壮族自治区水产技术推广站 | Net cage for breeding juvenile procambarus clarkia and using method |
| CN114009382A (en) * | 2021-11-10 | 2022-02-08 | 广西壮族自治区水产技术推广站 | Procambarus clarkia fry producing bed and using method thereof |
-
2022
- 2022-04-20 CN CN202210414815.9A patent/CN114793973A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107683812A (en) * | 2017-08-31 | 2018-02-13 | 浦江县酉泽水产科技有限公司 | The foster shrimp equipment of high density environmental protection |
| CN109479800A (en) * | 2018-12-03 | 2019-03-19 | 安徽省农业科学院水产研究所 | It is a kind of can lamination efficient industrial cultivation porous shrimp nest |
| CN111406683A (en) * | 2019-01-08 | 2020-07-14 | 澄迈盛虾林农业科技有限公司 | Method for cultivating Australia freshwater lobster fry |
| CN112136740A (en) * | 2020-10-29 | 2020-12-29 | 广西壮族自治区水产技术推广站 | Net cage for breeding juvenile procambarus clarkia and using method |
| CN114009382A (en) * | 2021-11-10 | 2022-02-08 | 广西壮族自治区水产技术推广站 | Procambarus clarkia fry producing bed and using method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 邹叶茂等, 机械工业出版社 * |
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