CN110178771B - Babylonia self-cleaning type spray culture facility and culture method - Google Patents
Babylonia self-cleaning type spray culture facility and culture method Download PDFInfo
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- CN110178771B CN110178771B CN201910535566.7A CN201910535566A CN110178771B CN 110178771 B CN110178771 B CN 110178771B CN 201910535566 A CN201910535566 A CN 201910535566A CN 110178771 B CN110178771 B CN 110178771B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 49
- 241000606434 Babylonia Species 0.000 title claims abstract description 40
- 239000007921 spray Substances 0.000 title claims abstract description 37
- 238000012136 culture method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000004576 sand Substances 0.000 claims abstract description 62
- 241000237858 Gastropoda Species 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 241000920062 Babylonia areolata Species 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000013535 sea water Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000002791 soaking Methods 0.000 claims abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 241000237502 Ostreidae Species 0.000 claims abstract description 5
- 235000020636 oyster Nutrition 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000013505 freshwater Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 6
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 4
- 230000037406 food intake Effects 0.000 claims description 4
- 239000010813 municipal solid waste Substances 0.000 claims description 4
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 239000011120 plywood Substances 0.000 claims description 2
- 241000413407 Babylonia japonica Species 0.000 claims 1
- 241000565675 Oncomelania Species 0.000 claims 1
- 238000009395 breeding Methods 0.000 abstract description 5
- 230000001488 breeding effect Effects 0.000 abstract description 5
- 238000009360 aquaculture Methods 0.000 abstract description 3
- 244000144974 aquaculture Species 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 239000010794 food waste Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- 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
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
-
- 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)
- Biological Treatment Of Waste Water (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A self-cleaning type spray culture facility and a culture method for Babylonia relate to aquaculture. The Babylonia self-cleaning type spraying culture facility is provided with a pool bottom separation device, an upper layer drainage device, a lower layer drainage device, a inhabitation sand layer, oxygen and a spraying device. Building a self-cleaning type babylonia areolata spray culture facility, discharging seawater to a pool to immerse a sand layer, sterilizing, soaking, cleaning the sand layer with fresh water, discharging sand, filtering the seawater and putting the babylonia areolata seedlings; if the young snails are thrown into the breeding pond, feeding fresh oysters in the first month to promote the rapid growth of the oysters; draining water from the whole pool once a day, pulling off the water stop pipe after cleaning up the residual bait, and allowing water to flow out of a drainage pipe drainage door at the lower layer of the rubber plate through a sand layer; when the water level in the pool is discharged to 2-3 cm away from the sand surface, the water stop pipe is inserted and the water inlet pipe switch is opened, when the water level is close to the depth of the water discharge pipe, the water inlet pipe switch is closed again and the spray pipe switch is opened for spraying, and finally the exceeding water amount is discharged through the water discharge hole of the water stop pipe.
Description
Technical Field
The invention relates to aquaculture, in particular to a self-cleaning type spray culture facility and a culture method suitable for culturing Babylonia benthica in a sand layer.
Background
Babylonia is commonly called as Hua-Luo and Wang-Luo and is mainly distributed in the southeast coastal region of China. The gastropods are of important economic breeding varieties due to delicious taste, rich nutrition, high price and short breeding period, and the breeding industry of the gastropods develops rapidly in recent years. The Babylonia is a benthic sand-diving type species, and basically hides in a sand layer in the rest time except for food intake and a small amount of activities, so that the environment of the sand layer of the culture pond is very important for culturing the Babylonia. For the culture of Babylonia, 5-6 months are generally needed from the feeding of young Babylonia to the achievement of the standard of marketing, and the feeding of frozen small trash fish is mainly used as a bait source in the period. However, in the process of cultivation, food residues and the excretion of Babylonia areolata are directly discharged into the sand layer, and a mixture containing nitrogen and phosphorus is generated after the food residues and the excretion of Babylonia areolata are decomposed, so that the sand layer is blackened, the water in the pool is polluted, and the cultivation pollutants are difficult to clean. Especially, the serious disease problem is brought to the culture of Babylonia due to long-time pollution accumulation or higher-density culture. The method is an important influencing factor for occurrence of diseases and low survival rate of Babylonia breeding. Therefore, the maintenance of a good and stable inhabitation environment of the sand layer in the culture pond in the culture period of the Babylonia is an important technical requirement for the healthy development of the Babylonia culture industry.
At present, the Babylonia is generally cultivated in an industrial cultivation mode of spreading sand in a land cement pond, and an effective water quality environment stabilizing and sand layer cleaning technology is lacked. In recent years, certain technical improvements are made in the culture of Babylonia, for example, Chinese patent CN200920194434.4 discloses a novel Babylonia model culture pond, but the culture pond has great problems, firstly, an overhead layer is formed at the bottom of the pond by using cement four-leg bricks, the paving distance between the brick blocks is only 1-2 cm, the drainage efficiency of the bottom layer is low during drainage, and the sand layer cannot be effectively purified and decontaminated; secondly, the water layer above the sand layer is static rather than flowing, and residual bait and oil stains in the water body after feeding cannot be discharged in time, so that water body pollution is easily caused and diseases are caused; thirdly, the culture process needs to be carried out once every other day in a pond, so that stress of the Babylonia is easily caused, and the stable growth of the Babylonia is not facilitated.
Disclosure of Invention
The invention aims to provide a self-cleaning type Tornado snail spraying culture facility and a culture method, which can overcome the defects that residual bait and excrement generated in the culture process are not easy to clean and the like caused by using sand as a culture substrate in the prior art and can maintain a good and stable growth environment of Tornado snails.
The Babylonia self-cleaning type spraying culture facility is provided with a pool bottom separation device, an upper layer drainage device, a lower layer drainage device, a inhabitation sand layer, an oxygen and spraying device;
the tank bottom separation device is characterized in that a layer of plastic rubber plates is paved at the tank bottom, the plastic rubber plates are closely arranged and closely attached to the tank wall, the surface of each plastic rubber plate is a porous surface, supporting legs are arranged below the plastic rubber plates, a hollow-out overhead layer is formed at the bottom, and when water is drained from the lower layer, the cleaning and purifying effects on the upper sand layer can be achieved;
the upper layer and the lower layer of the drainage device are formed by laying a hollow rubber plate vertically above the water outlet, a drainage pipe with the diameter slightly larger than that of the water outlet is arranged at the hollow part, four doors with the depth identical to the height of the rubber plate are arranged at the lower end of the drainage pipe, the water depth of the culture pond is controlled by the height of the upper end of the drainage pipe, a water stop pipe is inserted into the drainage pipe, a circle of holes are drilled at equal height positions of the water stop pipe and the upper end of the drainage pipe, when the water in the whole pond needs to be changed, the water stop pipe is; a water stopping pipe is inserted at ordinary times, and redundant water flows out from the hole of the water stopping pipe;
the perching sand layer is formed by paving a layer of bolting silk on the plastic plywood layer, paving a sand layer on the bolting silk, and generally selecting river sand with the grain diameter slightly larger than the holes of the bolting silk;
the oxygen and spraying device is characterized in that an exhaust stone is respectively hung at the position of 1/3 away from two sides of the surface of the culture pond, and the arrangement of the exhaust stone keeps at least 1 per square meter; a PVC spraying pipe is hung at the upper end of the culture pond, holes are drilled on the two side faces of the pipe in a staggered mode, and 4-6 holes are drilled at equal intervals in each meter of length.
The size of the plastic film can be 50cm x 10 cm.
The drain pipe can be a PVC drain pipe, the diameter of the drain pipe can be 20cm, the height of the drain pipe is 40cm, the opening depth of the door is 10cm, and the width of two sides of the foot part is 5 cm; the height of the water stop pipe is close to the depth of the pool, the diameter of the water stop pipe can be 16cm, the distance between the height of a drill hole and the bottom edge of the drill hole can be 45cm, and the diameter of the drill hole can be 1.0 cm.
The aperture of the bolting silk can be 60 meshes, and the width of the folds at the four sides of the tank wall is 10 cm. The thickness of the sand layer can be 5-6 cm.
The shower can be 2 cun PVC pipe, and the drilling diameter can be 4 mm.
The Babylonia self-cleaning type spray culture method comprises the following steps:
1) building a self-cleaning type babylonia areolata spray culture facility before babylonia areolata seedlings are put in, then discharging seawater into the pool to immerse a sand layer, disinfecting, soaking, cleaning the sand layer with fresh water, finally discharging sand, filtering the seawater and putting the babylonia areolata seedlings;
in the step 1), the sand layer can be disinfected by potassium permanganate, and the disinfection concentration can be 5 ppm; the soaking time can be at least 1 h; the density of the feeding can be 1000-1200 granules/m2。
2) If the young snails are thrown into the young snails which are just attached and metamorphosed, feeding fresh oysters in the first month to promote the rapid growth of the snails, and feeding the young snails into the small frozen trash fish after the young snails grow to 1 cm; feeding once every afternoon, wherein the feeding amount is about 10% of the culture amount, the feeding amount is correspondingly adjusted according to the ingestion and growth conditions of Babylonia, no bait is left, and the residual baits such as fishbones and the like are cleaned in time on the next morning;
3) draining water in the whole pool once every day, pulling off the water stop pipe after cleaning up residual baits, enabling water to flow out of a drainage pipe drainage door at the lower layer of the rubber plate through a sand layer, and flushing and removing organic matters in the sand layer to achieve the effect of self-cleaning and cleaning to prevent the sand layer from blackening; when the water level in the pool is discharged to 2-3 cm away from the sand surface, the water stop pipe is inserted and the water inlet pipe switch is opened, when the water level is close to the depth of the water discharge pipe, the water inlet pipe switch is closed again and the spray pipe switch is opened for spraying, and finally the exceeding water amount is discharged through the water discharge hole of the water stop pipe.
Compared with the prior art, the invention has the following outstanding technical effects:
1. the invention adopts the whole rubber plate with the hollow structure, is easy to build, has high drainage efficiency and wide self-cleaning surface of the sand layer.
2. The invention adopts two drainage modes of upper and lower layers, and the drainage of the lower layer can clean and remove organic wastes in the sand layer so as to achieve the effect of preventing diseases caused by blackening of the sand layer; the upper drainage can discharge the residues generated by feeding in the water body in time, and the good culture environment can be kept through the upper and lower drainage layers.
3. The invention adopts an additional spraying mode, not only can provide stable aquaculture water environment, but also saves water consumption and reduces cost.
4. Compared with the prior art, the method can effectively reduce the occurrence of diseases, does not need to wash or pour the pond in the whole culture period, reduces the workload, is convenient to manage, and has high culture survival rate.
Drawings
Fig. 1 is a schematic side view of the Babylonia self-cleaning spray culture facility.
Fig. 2 is a schematic top view of the Babylonia self-cleaning spray culture facility.
Fig. 3 is an overall schematic view of the hollowed-out rubber plate of the Babylonia self-cleaning type spray culture facility.
Fig. 4 is an overall schematic view of a drain pipe of the Babylonia self-cleaning type spray culture facility.
Fig. 5 is an overall schematic view of a water stop pipe of the Babylonia self-cleaning spray culture facility.
In fig. 1 to 5, each symbol represents: 1. a cement pit; 2. a water layer; 3. a sand layer; 4. screening a silk net; 5. hollowing out the rubber plate; 6. a water stop pipe; 7. an upper layer drain hole; 8. a drain pipe; 9. a lower drainage door; 10. a water drain; 11. a lifting rope; 12. a nylon cord; 13. a shower pipe; 14. a water inlet pipe; 15. spraying holes; 16. air stone; 17. and a water outlet.
Detailed Description
The following examples will further illustrate the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 5, the embodiments of the Babylonia self-cleaning type spray culture facility provided by the invention are provided with a pool bottom separation device, an upper layer drainage device, a lower layer drainage device, a inhabitation sand layer, oxygen and a spray device.
The pool bottom separation device is formed by laying a hollow rubber plate 5, and the hollow rubber plate 5 and the side wall jointly form an overhead layer. The bolting silk net 4 is laid on the rubber plate, and the area of the bolting silk net 4 is slightly larger than the area of the pool bottom, so that the bolting silk net 4 can be folded by 8-10 cm at four sides of the pool wall, and sand can not fall off. The sand layer 3 is laid on the bolting silk net 4. An upper and lower drainage device is arranged at the drainage port 17 and consists of an external drainage pipe 8 and an internal water stop pipe 6. The diameter of the drain pipe 8 is slightly larger than the water stop pipe 6, the lower layer drain door 9 is arranged at the bottom of the drain pipe 8, the water stop pipe 6 is pulled out when the whole pool is drained, and water is discharged out of the pool through the drain door 9 and the drain passage 10. An upper drainage hole 7 is arranged at the position of the water stop pipe 6 close to the upper end of the drainage pipe 8, and when the water level of the water layer 2 exceeds the depth of the drainage pipe, water flows out of the drainage hole 7. In addition, two rows of air stones 16 are respectively hung on the upper surface of the culture pond at 1/3 positions away from two sides by the nylon ropes 12, and the spray pipe 13 is hung above the center of the cement pond 1 by the hanging ropes 11. After the water in the whole pool is drained, the water inlet pipe 14 is opened to feed water, and after the water is fed, the water inlet pipe 14 is closed and the spraying pipe 13 is opened, so that the water sprays the whole pool through the spraying holes 15.
As a preferable mode in this embodiment, as shown in fig. 3 to 5, the size of the hollow rubber plate 5 is 50cm × 50cm × 10 cm. The diameter of the drain pipe 8 is 20cm, the height is 40cm, the opening depth is 10cm, and the width of two sides of the foot part is 5 cm; the height of the water stop pipe 6 is close to the depth A of the pool, the diameter is 16cm, the height of the drilled holes is about 45cm from the bottom edge, the number of the drilled holes is 20, the diameter of the drain hole is 1.0cm, the silk screen is 60 meshes (the size of the screen hole is 0.25mm), the width of the folds at four edges attached to the pool wall is 10cm, and the sand layer is laid by river sand with the grain diameter slightly larger than the size of the screen hole. The shower is 2 cun PVC pipes, and the hole diameter that sprays is 4mm, and every meter length both sides are 5 in the alternative equidistance drilling.
The self-cleaning type Babylonia sinensis spray culture method comprises the following steps:
1) building a self-cleaning type babylonia areolata spray culture facility before babylonia areolata seedlings are put in, then discharging seawater into the pool to immerse a sand layer, disinfecting, soaking, cleaning the sand layer with fresh water, finally discharging sand, filtering the seawater and putting the babylonia areolata seedlings; the sand layer is disinfected by potassium permanganate, and the disinfection concentration is 5 ppm; the soaking time is at least 1 h; the density of the feeding is 1000-1200 granules/m2。
2) If the young snails are thrown into the young snails which are just attached and metamorphosed, feeding fresh oysters in the first month to promote the rapid growth of the snails, and feeding the young snails into the small frozen trash fish after the young snails grow to 1 cm; feeding once every afternoon, wherein the feeding amount is about 10% of the culture amount, the feeding amount is correspondingly adjusted according to the ingestion and growth conditions of Babylonia, no bait is left, and the residual baits such as fishbones and the like are cleaned in time on the next morning;
3) draining water in the whole pool once every day, pulling off the water stop pipe after cleaning up residual baits, enabling water to flow out of a drainage pipe drainage door at the lower layer of the rubber plate through a sand layer, and flushing and removing organic matters in the sand layer to achieve the effect of self-cleaning and cleaning to prevent the sand layer from blackening; when the water level in the pool is discharged to 2-3 cm away from the sand surface, the water stop pipe is inserted and the water inlet pipe switch is opened, when the water level is close to the depth of the water discharge pipe, the water inlet pipe switch is closed again and the spray pipe switch is opened for spraying, and finally the exceeding water amount is discharged through the water discharge hole of the water stop pipe.
Claims (9)
1. The Babylonia self-cleaning type spray culture method is characterized in that a Babylonia self-cleaning type spray culture facility is used, and the Babylonia self-cleaning type spray culture facility is provided with a pool bottom separation device, an upper layer drainage device, a lower layer drainage device, a inhabiting sand layer, oxygen and a spray device;
the tank bottom separation device is characterized in that a layer of plastic rubber plates is paved at the tank bottom, the plastic rubber plates are closely arranged and closely attached to the tank wall, the surface of each plastic rubber plate is a porous surface, supporting legs are arranged below the plastic rubber plates, a hollow-out overhead layer is formed at the bottom, and when water is drained from the lower layer, the cleaning and purifying effects on the upper sand layer can be achieved;
the upper layer and the lower layer of the drainage device are formed by laying a hollow rubber plate vertically above the water outlet, a drainage pipe with the diameter slightly larger than that of the water outlet is arranged at the hollow part, four doors with the depth identical to the height of the rubber plate are arranged at the lower end of the drainage pipe, the water depth of the culture pond is controlled by the height of the upper end of the drainage pipe, a water stop pipe is inserted into the drainage pipe, a circle of holes are drilled at equal height positions of the water stop pipe and the upper end of the drainage pipe, when the water in the whole pond needs to be changed, the water stop pipe is; a water stopping pipe is inserted at ordinary times, and redundant water flows out from the hole of the water stopping pipe;
the perching sand layer is formed by paving a layer of bolting silk on the plastic plywood layer, paving a sand layer on the bolting silk, and selecting river sand with the grain diameter slightly larger than holes of the bolting silk;
the oxygen and spraying device is characterized in that an exhaust stone is respectively hung on the surface of the culture pond from two sides 1/3, and the arrangement of the exhaust stone keeps at least 1 per square meter; hanging a PVC spray pipe at the upper end of the culture pond, drilling holes on two side surfaces of the pipe in a staggered manner, and drilling 4-6 holes at equal intervals in each meter of length;
the culture method comprises the following steps:
1) building a self-cleaning type babylonia areolata spray culture facility before babylonia areolata seedlings are put in, then discharging seawater into the pool to immerse a sand layer, disinfecting, soaking, cleaning the sand layer with fresh water, finally discharging sand, filtering the seawater and putting the babylonia areolata seedlings;
2) if the young snails are thrown into the young snails which are just attached and metamorphosed, feeding fresh oysters in the first month to promote the rapid growth of the snails, and feeding the young snails into the small frozen trash fish after the young snails grow to 1 cm; feeding once every afternoon, wherein the feeding amount is 10% of the culture amount, correspondingly adjusting according to the ingestion and growth conditions of Babylonia, controlling no bait to remain, and timely cleaning out residual bait in the next morning;
3) draining water in the whole pool once every day, pulling off the water stop pipe after cleaning up residual baits, enabling water to flow out of a drainage pipe drainage door at the lower layer of the rubber plate through a sand layer, and flushing and removing organic matters in the sand layer to achieve the effect of self-cleaning and cleaning to prevent the sand layer from blackening; when the water level in the pool is discharged to 2-3 cm away from the sand surface, the water stop pipe is inserted and the water inlet pipe switch is opened, when the water level is close to the depth of the water discharge pipe, the water inlet pipe switch is closed again and the spray pipe switch is opened for spraying, and finally the exceeding water amount is discharged through the water discharge hole of the water stop pipe.
2. The self-cleaning oncomelania spay culture method of claim 1, wherein the size of the plastic film is 50cm x 10 cm.
3. The self-cleaning type Babylonia japonica spray culture method of claim 1, wherein the drain pipe is a PVC drain pipe, the diameter of the drain pipe is 20cm, the height of the drain pipe is 40cm, the door opening depth is 10cm, and the width of the two sides of the foot is 5 cm.
4. The Babylonia self-cleaning spray culture method of claim 1, wherein the water stop pipe is close to the depth of the pond and has a diameter of 16cm, the height of a drill hole is 45cm from the bottom edge, and the diameter of the drill hole is 1.0 cm.
5. The Babylonia self-cleaning spray culture method of claim 1, wherein the aperture of the bolting silk is 60 meshes, and the width of the four-side fold attached to the wall of the pond is 10 cm.
6. The Babylonia self-cleaning spray culture method of claim 1, wherein the thickness of the sand layer is 5-6 cm.
7. The Babylonia self-cleaning spray culture method of claim 1, wherein the spray pipes are 2-inch PVC pipes, and the diameter of each drill hole is 4 mm.
8. The Babylonia self-cleaning spray culture method of claim 1, wherein in the step 1), the sand layer is disinfected by potassium permanganate, and the disinfection concentration is 5 ppm.
9. The Babylonia self-cleaning spray culture method of claim 1, wherein in the step 1), the soaking time is at least 1 h; the density of the feeding is 1000-1200 granules/m2。
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| CN113080132B (en) * | 2021-03-10 | 2022-07-01 | 海南蓝泰邦生物技术有限公司 | Recycling method of culture tail water of babylonia areolata |
| CN114304012B (en) * | 2022-01-12 | 2023-04-21 | 湛江市渔正隆生物科技有限公司 | High-density aquaculture method |
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