CN110506682B - Breeding method based on ecological crayfish breeding system - Google Patents
Breeding method based on ecological crayfish breeding system Download PDFInfo
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- CN110506682B CN110506682B CN201910911193.9A CN201910911193A CN110506682B CN 110506682 B CN110506682 B CN 110506682B CN 201910911193 A CN201910911193 A CN 201910911193A CN 110506682 B CN110506682 B CN 110506682B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/047—Liquid pumps for aquaria
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Hydroponics (AREA)
Abstract
The invention provides an ecological crayfish breeding system, which relates to the technical field of aquaculture and comprises a pond body, a feeding mechanism and a drainage mechanism; the pond body comprises a ditch bottom, a platform and a ridge; the feeding mechanism comprises a feeding box and a storage box, a first pressure pump, a second pressure pump and a third pressure pump are arranged in the suction cavity, the lower surface of the bottom of the pipe box is connected with the upper surface of the ridge, a buffer plate is arranged between the pipe box and the feeding box, a second connecting pipe, a third connecting pipe and a fourth connecting pipe are arranged in the pipe box, the storage box is arranged inside the ridge, and a first discharging pipe, a second discharging pipe and a third discharging pipe respectively penetrate through the first box body, the second box body and the third box body; the drainage mechanism comprises a suction box, the lower surface of the suction box is connected with the upper surface of the ridge, the drainage pipe is connected with the inlet end of the liquid suction pump, and the outlet end of the liquid suction pump is connected with the drainage pipe. The invention has the advantages of simple operation, convenient use, labor saving and strong universality.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to an ecological crayfish culture system.
Background
The crayfish has an adult length of about 5.6-11.9 cm, dark red color, a nearly black shell part and a wedge-shaped stripe on the back of the abdomen. The young shrimp body is even gray, sometimes has black ripple, is long and narrow in chela, the middle part of the carapace is not separated by mesh-shaped gaps, the carapace is obviously provided with particles, and the frontalis is provided with lateral spines or the end part of the frontalis is provided with nicks. Due to the omnivorous property, the fast growth speed and the strong adaptability, the method forms an absolute competitive advantage in the local ecological environment. The food intake range of the feed comprises aquatic weeds, algae, aquatic insects, animal carcasses and the like, and the feed can kill the aquatic weeds, the algae, the aquatic insects, the animal carcasses and the like in case of shortage of food. Crayfish has become an important economic breeding variety in China in recent years, and the ecological breeding system of the crayfish becomes a category which people pay more and more attention to and feel fumble. The existing ecological crayfish culture system usually needs to carry materials manually to clean a pond, lay, put in and the like, is complex to operate and wastes manpower.
Therefore, the ecological crayfish breeding system which is simple in operation, convenient to use, labor-saving and high in universality is urgently needed.
Disclosure of Invention
The invention aims to provide an ecological crayfish breeding system aiming at the defects of the existing ecological crayfish breeding system.
The invention provides the following technical scheme:
an ecological crayfish breeding system comprises a pond body, a feeding mechanism and a drainage mechanism;
the pond body comprises a ditch bottom, platforms are arranged above two ends of the ditch bottom, and ridges are arranged above one ends of the two platforms;
the feeding mechanism comprises a feeding box and a storage box, the inside of the feeding box is sequentially divided into a separation cavity, a feeding cavity and a suction cavity from top to bottom by a first partition plate and a second partition plate, the inside of the feeding cavity is sequentially divided into a first material cavity, a second material cavity and a third material cavity from left to right by a third partition plate and a fourth partition plate, a first feeding pipe, a second feeding pipe and a third feeding pipe penetrate through the first partition plate and are respectively arranged in the first material cavity, the second material cavity and the third material cavity, a first pressure pump, a second pressure pump and a third pressure pump are arranged in the suction cavity, one end of each of three first connecting pipes penetrates through the bottoms of the first material cavity, the second material cavity and the third material cavity, the other end of each of three first connecting pipes is respectively connected with the inlet ends of the first pressure pump, the second pressure pump and the third pressure pump, the improved farmland soil-working device is characterized in that a pipe box is arranged below the feeding box, the lower surface of the bottom of the pipe box is connected with the upper surface of the ridge, a buffer plate is arranged between the pipe box and the feeding box, a second connecting pipe, a third connecting pipe and a fourth connecting pipe are arranged in the pipe box, the storage box is arranged in the ridge, a fifth partition plate and a sixth partition plate divide the interior of the storage box into a first box body, a second box body and a third box body from top to bottom in sequence, one end of the second connecting pipe is connected with the inlet end of the first pressure pump, the other end of the second connecting pipe is connected with the first box body, one end of the third connecting pipe is connected with the inlet end of the second pressure pump, the other end of the third connecting pipe is connected with the second box body, one end of the fourth connecting pipe is connected with the inlet end of the third pressure pump, the other end of the third pressure pump is connected with the third box body, and the first box body, the second box body and the third box body are respectively provided with a first material discharge pipe, a second material discharge pipe and a third box body in a penetrating mode, A second discharge pipe and a third discharge pipe;
The drainage mechanism includes the suction box, the lower surface of suction box is connected the upper surface of ridge, be equipped with the imbibition pump in the suction box, the one end of drinking-water pipe is located the upper surface at the bottom of the ditch, the other end runs through the suction box and connects the entrance point of imbibition pump, the exit end connecting drain pipe of imbibition pump.
Preferably, the first feeding pipe, the second feeding pipe and the third feeding pipe are provided with first valves.
Preferably, a cover body is arranged at the top of the feeding box, and a handle is arranged on the upper surface of the cover body.
Preferably, the second connecting pipe, the third connecting pipe and the fourth connecting pipe are provided with second valves, and the second valves are arranged inside the header box.
Preferably, the lateral wall of charging box is equipped with quick-witted case, the lateral wall of machine case is equipped with the power, the machine incasement is equipped with the motor, the motor first force pump the second force pump with the third force pump all with power electric connection.
Preferably, the first material discharging pipe, the second material discharging pipe and the third material discharging pipe are identical in structure and comprise transverse pipes and inclined pipes, one ends of the transverse pipes of the first material discharging pipe, the second material discharging pipe and the third material discharging pipe respectively penetrate through the side walls of the bottoms of the first box body, the second box body and the third box body, and the other ends of the transverse pipes are connected with one ends of the inclined pipes.
Preferably, the length of the transverse pipe of the third discharge pipe is greater than that of the transverse pipe of the second discharge pipe, and the length of the transverse pipe of the second discharge pipe is greater than that of the transverse pipe of the first discharge pipe.
The beneficial effects of the invention are: when the pond body is subjected to initial treatment and laying work, a handle is pulled to open a cover body and a first valve, clay mixed with a proper amount of water is added into a first material cavity, a proper amount of bactericide with a proper concentration is added into the first material cavity, a pipe box is opened, a second valve on a second connecting pipe is opened, a power supply starts a motor to drive a first pressure pump, the clay enters a third box body and is discharged into the bottom of a ditch through a third discharge pipe, manual regulation is performed, and the bottom of the ditch is conveniently laid; after the soil at the bottom of the ditch is paved, closing the first pressure pump, opening a second valve of the third connecting pipe and the second pressure pump, discharging the debugged bactericide into the clay at the bottom of the ditch, and uniformly mixing the bactericide with the clay; when the water quality in the pond body is improved, the residual materials in the material cavities are cleaned by clear water, according to the mode, a proper amount of algae fertilizer with a certain concentration is added into the first material cavity, a proper amount of nutrient solution with a certain concentration is added into the second material cavity, a proper amount of aquatic weed with a certain concentration and a moss inhibitor and the like are added into the third material cavity, different reagent materials can be added into the water body according to different time requirements, the use is convenient, and the universality is strong; when the water body in the pond body is replaced, a liquid suction pump in a liquid suction box is opened, and the water body is discharged and collected through a water suction pipe and a water discharge pipe; lay clay, to the ditch bottom of the body of the pool, to aquatic input material etc. through reinforced mechanism, easy operation uses manpower sparingly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the hopper and storage box of the present invention.
Labeled as: 1. the bottom of the trench; 2. a platform; 3. ridging; 4. a feed box; 5. a storage box; 6. a first separator; 7. a second separator; 8. an isolation chamber; 9. a first material cavity; 10. a suction lumen; 11. a third partition plate; 12. a fourth separator; 13. a second material chamber; 14. a third material chamber; 15. a first feed tube; 16. a second feed tube; 17. a third feed tube; 18. a first pressure pump; 19. a second pressure pump; 20. a third pressure pump; 21. a first connecting pipe; 22. a pipe box; 23. a buffer plate; 24. a second connecting pipe; 25. a third connecting pipe; 26. a fourth connecting pipe; 27. a fifth partition plate; 28. a sixth partition plate; 29. a first case; 30. a second case; 31. a third box body; 32. a first discharging pipe; 33. a second discharge conduit; 34. a third discharge pipe; 35. a suction box; 36. a drain pipe; 37. a first valve; 38. a second valve; 39. a cover body; 40. a handle; 41. a chassis; 42. a transverse tube; 43. an inclined pipe; 44. a water pumping pipe.
Detailed Description
As shown in fig. 1 to fig. 2, an ecological crawfish culture system comprises a pond body, a feeding mechanism and a draining mechanism;
the pond body comprises a ditch bottom 1, platforms 2 are arranged above two ends of the ditch bottom 1, and ridges 3 are arranged above one ends of the two platforms 2;
the feeding mechanism comprises a feeding box 4 and a storage box 5, the interior of the feeding box 4 is sequentially divided into an isolation cavity 8, a feeding cavity and a suction cavity 10 from top to bottom by a first partition plate 6 and a second partition plate 7, the interior of the feeding cavity is sequentially divided into a first material cavity 9, a second material cavity 13 and a third material cavity 14 from left to right by a third partition plate 11 and a fourth partition plate 12, a first feeding pipe 15, a second feeding pipe 16 and a third feeding pipe 17 penetrate through the first partition plate 6 and are respectively arranged in the first material cavity 9, the second material cavity 13 and the third material cavity 14, a first pressure pump 18, a second pressure pump 19 and a third pressure pump 20 are arranged in the suction cavity 10, one end of each of three first connecting pipes 21 respectively penetrates through the bottoms of the first material cavity 9, the second material cavity 13 and the third material cavity 14, the other end of each of the three first connecting pipes is respectively connected with the inlet ends of the first pressure pump 18, the second pressure pump 19 and the third pressure pump 20, a pipe box 22 is arranged below the feeding box 4, the lower surface of the bottom of the pipe box 22 is connected with the upper surface of the ridge 3, a buffer plate 23 is arranged between the pipe box 22 and the feeding box 4, a second connecting pipe 24, a third connecting pipe 25 and a fourth connecting pipe 26 are arranged in the pipe box 22, the storage box 5 is arranged in the ridge 3, the interior of the storage box 5 is sequentially divided into a first box body 29, a second box body 30 and a third box body 31 from top to bottom by a fifth partition plate 27 and a sixth partition plate 28, one end of the second connecting pipe 24 is connected with the inlet end of the first pressure pump 18, the other end of the second connecting pipe 24 is connected with the first box body 29, one end of the third connecting pipe 25 is connected with the inlet end of the second pressure pump 19, the other end of the third connecting pipe 26 is connected with the second box body 30, one end of the fourth connecting pipe 26 is connected with the inlet end of the third pressure pump 20, the other end of the third box body 31, and a first discharge pipe 32, a second discharge pipe 32 and a first discharge pipe 32 respectively penetrate through the first box body 29, the second box body 30 and the third box body 31, A second discharge pipe 33 and a third discharge pipe 34;
The drainage mechanism comprises a water suction box 35, the lower surface of the water suction box 35 is connected with the upper surface of the ridge 3, a liquid suction pump is arranged in the water suction box 35, one end of a water suction pipe 44 is arranged on the upper surface of the ditch bottom 1, the other end of the water suction pipe penetrates through the water suction box 35 to be connected with the inlet end of the liquid suction pump, and the outlet end of the liquid suction pump is connected with a drainage pipe 36.
The first feeding pipe 15, the second feeding pipe 16 and the third feeding pipe 17 are all provided with a first valve 37. The top of the feeding box 4 is provided with a cover 39, and the upper surface of the cover 39 is provided with a handle 40. The second connection pipe 24, the third connection pipe 25 and the fourth connection pipe 26 are each provided with a second valve 38, and the second valve 38 is provided inside the channel box 22. The lateral wall of charging box 4 is equipped with quick-witted case 41, and the lateral wall of quick-witted case 41 is equipped with the power, is equipped with the motor in the quick-witted case 41, and motor, first force pump 18, second force pump 19 and third force pump 20 all with power electric connection. The first discharging pipe 32, the second discharging pipe 33 and the third discharging pipe 34 have the same composition structure and respectively comprise a transverse pipe 42 and an inclined pipe 43, one end of the transverse pipe 42 of the first discharging pipe 32, the second discharging pipe 33 and the third discharging pipe 34 respectively penetrates through the side walls of the bottoms of the first box body 29, the second box body 30 and the third box body 31, and the other end of the transverse pipe 42 is connected with one end of the inclined pipe 43. The length of the transverse tube 42 of the third discharge duct 34 is greater than the length of the transverse tube 42 of the second discharge duct 33, and the length of the transverse tube 42 of the second discharge duct 33 is greater than the length of the transverse tube 42 of the first discharge duct 32.
Examples
When the pond body is treated and laid in the initial stage, the handle 40 is pulled to open the cover body 39 and the first valve 37, clay mixed with a proper amount of water is added into the first material cavity 9, a proper amount of bactericide with a proper concentration is added into the first material cavity 9, the pipe box 22 is opened, the second valve 38 on the second connecting pipe 24 is opened, the power supply is started, the motor drives the first pressure pump 18, the clay enters the third box body 31 and is discharged into the ditch bottom 1 through the third discharge pipe 34, and then manual regulation is carried out, so that the ditch bottom 1 can be laid conveniently; after the soil at the trench bottom 1 is paved, closing the first pressure pump 18, opening the second valve 38 and the second pressure pump 19 of the third connecting pipe 25, discharging the debugged bactericide into clay at the trench bottom 1, and uniformly mixing the bactericide with the clay;
when the water quality in the pond body is improved, the residual materials in the material cavities are cleaned by clear water, according to the mode, a proper amount of algae fertilizer with certain concentration is added into the first material cavity 9, a proper amount of nutrient solution with certain concentration is added into the second material cavity 13, a proper amount of aquatic weed and moss inhibitor with certain concentration is added into the third material cavity 14, and different reagent materials can be added into the water body according to different time requirements;
When the water body in the pond body is replaced, the liquid suction pump in the liquid suction box is opened, and the water body is discharged and collected through the water suction pipe 44 and the water discharge pipe 36.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A breeding method based on an ecological crayfish breeding system is characterized in that the breeding system comprises a pond body, a feeding mechanism and a drainage mechanism;
the pond body comprises a ditch bottom, platforms are arranged above two ends of the ditch bottom, and ridges are arranged above one ends of the two platforms;
the feeding mechanism comprises a feeding box and a storage box, the inside of the feeding box is sequentially divided into an isolation cavity, a feeding cavity and an absorption cavity from top to bottom by a first partition plate and a second partition plate, the inside of the feeding cavity is sequentially divided into a first material cavity, a second material cavity and a third material cavity from left to right by a third partition plate and a fourth partition plate, a first feeding pipe, a second feeding pipe and a third feeding pipe penetrate through the first partition plate and are respectively arranged in the first material cavity, the second material cavity and the third material cavity, a first pressure pump, a second pressure pump and a third pressure pump are arranged in the absorption cavity, one end of each of three first connecting pipes respectively penetrates through the bottoms of the first material cavity, the second material cavity and the third material cavity, the other end of each of three first connecting pipes is respectively connected with the inlet ends of the first pressure pump, the second pressure pump and the third pressure pump, a tube box is arranged below the feeding box, the lower surface of the bottom of the tube box is connected with the upper surface of the ridge, a buffer plate is arranged between the tube box and the feeding box, a second connecting tube, a third connecting tube and a fourth connecting tube are arranged in the tube box, the storage box is arranged in the ridge, a fifth baffle and a sixth baffle divide the storage box into a first box body, a second box body and a third box body from top to bottom in sequence, one end of the second connecting tube is connected with the outlet end of the first pressure pump, the other end of the second connecting tube is connected with the first box body, one end of the third connecting tube is connected with the outlet end of the second pressure pump, the other end of the third connecting tube is connected with the second box body, one end of the fourth connecting tube is connected with the outlet end of the third pressure pump, the other end of the third pressure pump is connected with the third box body, and the first box body, the second box body and the third box body are respectively provided with a first discharging tube, A second discharge pipe and a third discharge pipe;
The drainage mechanism comprises a water suction box, the lower surface of the water suction box is connected with the upper surface of the ridge, a water suction pump is arranged in the water suction box, one end of a water suction pipe is arranged on the upper surface of the ditch bottom, the other end of the water suction pipe penetrates through the water suction box and is connected with the inlet end of the water suction pump, and the outlet end of the water suction pump is connected with a drainage pipe;
the second connecting pipe, the third connecting pipe and the fourth connecting pipe are all provided with second valves, and the second valves are arranged inside the channel box;
the culture method comprises the following steps:
when the pond body is subjected to initial treatment and laying work, clay mixed with a proper amount of water is added into the first material cavity, a proper amount of bactericide with a proper concentration is added into the second material cavity, the pipe box is opened, the second valve on the second connecting pipe is opened, the power supply is started, the motor drives the first pressure pump, the clay enters the third box body and is discharged into the ditch bottom through the third discharge pipe, and then manual regulation is carried out, so that the ditch bottom can be conveniently laid; after the trench bottom soil is paved, closing the first pressure pump, opening a second valve of the third connecting pipe and the second pressure pump, discharging the debugged bactericide into clay at the trench bottom, and uniformly mixing the bactericide with the clay;
When the water quality in the pond body is improved, the residual materials in the material cavities are cleaned by clear water, according to the mode, a proper amount of algae fertilizer with a certain concentration is added into the first material cavity, a proper amount of nutrient solution with a certain concentration is added into the second material cavity, a proper amount of aquatic weed and moss inhibitor with a certain concentration is added into the third material cavity, and different reagent materials can be added into the water body according to different time requirements;
when the water body in the pond body is replaced, the liquid suction pump is opened, and the water body is discharged and collected through the water suction pipe and the water discharge pipe.
2. The culture method of claim 1, wherein the first feeding pipe, the second feeding pipe and the third feeding pipe are provided with a first valve.
3. The cultivation method as claimed in claim 1, wherein a cover is provided on the top of the feed box, and a handle is provided on the upper surface of the cover.
4. The culture method according to claim 1, wherein a case is arranged on the outer side wall of the feeding box, a power supply is arranged on the outer side wall of the case, a motor is arranged in the case, and the motor, the first pressure pump, the second pressure pump and the third pressure pump are all electrically connected with the power supply.
5. The cultivation method as claimed in claim 1, wherein the first material discharge pipe, the second material discharge pipe and the third material discharge pipe are identical in composition structure and comprise transverse pipes and inclined pipes, one ends of the transverse pipes of the first material discharge pipe, the second material discharge pipe and the third material discharge pipe respectively penetrate through the side walls of the bottoms of the first box body, the second box body and the third box body, and the other ends of the transverse pipes are connected with one ends of the inclined pipes.
6. The aquaculture method of claim 5 wherein the length of the transverse tube of the third discharge conduit is greater than the length of the transverse tube of the second discharge conduit, which is greater than the length of the transverse tube of the first discharge conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910911193.9A CN110506682B (en) | 2019-09-25 | 2019-09-25 | Breeding method based on ecological crayfish breeding system |
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| CN110506682B true CN110506682B (en) | 2022-06-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174808A (en) * | 2017-11-29 | 2018-06-19 | 肥西县翰鹏畜禽养殖专业合作社 | A kind of rice field shrimp aquaculture water control system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3874340A (en) * | 1973-10-19 | 1975-04-01 | Robert H Lemond | Aquarium tank feed system |
| JPH0795832A (en) * | 1993-09-29 | 1995-04-11 | Nippon Alum Co Ltd | Automatic feeding and automatic feeder |
| CN2309708Y (en) * | 1997-08-28 | 1999-03-10 | 蔡如振 | Combined structure for fodder-jetting fish culture machine |
| CN101401560B (en) * | 2008-10-21 | 2011-01-12 | 浙江海洋学院 | Device for feeding fish underwater |
| CN204624340U (en) * | 2015-05-15 | 2015-09-09 | 南京双善涂料有限公司 | A kind of auxiliary chemicals memory storage |
| CN207308567U (en) * | 2017-07-11 | 2018-05-04 | 煜环环境科技有限公司 | A kind of contaminated soil in-situ immobilization equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174808A (en) * | 2017-11-29 | 2018-06-19 | 肥西县翰鹏畜禽养殖专业合作社 | A kind of rice field shrimp aquaculture water control system |
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Application publication date: 20191129 Assignee: Jiangsu chengkai traditional Chinese Medicine Co.,Ltd. Assignor: JIANGSU FOOD & PHARMACEUTICAL SCIENCE COLLEGE Contract record no.: X2023980034087 Denomination of invention: A farming method based on the ecological farming system of crayfish Granted publication date: 20220628 License type: Common License Record date: 20230324 |