CN113142106A - Method for co-culturing green ecological pond - Google Patents
Method for co-culturing green ecological pond Download PDFInfo
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- CN113142106A CN113142106A CN202110443145.9A CN202110443145A CN113142106A CN 113142106 A CN113142106 A CN 113142106A CN 202110443145 A CN202110443145 A CN 202110443145A CN 113142106 A CN113142106 A CN 113142106A
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- 238000000034 method Methods 0.000 title description 17
- 238000012258 culturing Methods 0.000 title description 8
- 238000000746 purification Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000008213 purified water Substances 0.000 claims abstract description 16
- 238000003501 co-culture Methods 0.000 claims abstract description 15
- 241000251468 Actinopterygii Species 0.000 claims abstract description 13
- 238000004064 recycling Methods 0.000 claims abstract description 13
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 5
- 238000005276 aerator Methods 0.000 claims abstract description 3
- 241000238557 Decapoda Species 0.000 claims description 31
- 238000009395 breeding Methods 0.000 claims description 14
- 230000001488 breeding effect Effects 0.000 claims description 14
- 239000013505 freshwater Substances 0.000 claims description 12
- 241001125889 Micropterus salmoides Species 0.000 claims description 11
- 239000012141 concentrate Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 235000015097 nutrients Nutrition 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 20
- 230000000903 blocking effect Effects 0.000 description 7
- 238000007667 floating Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 241001113556 Elodea Species 0.000 description 3
- 241000498251 Hydrilla Species 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 238000012136 culture method Methods 0.000 description 3
- 240000000691 Houttuynia cordata Species 0.000 description 2
- 235000013719 Houttuynia cordata Nutrition 0.000 description 2
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 2
- 240000008436 Ipomoea aquatica Species 0.000 description 2
- 235000019004 Ipomoea aquatica Nutrition 0.000 description 2
- 235000006679 Mentha X verticillata Nutrition 0.000 description 2
- 235000002899 Mentha suaveolens Nutrition 0.000 description 2
- 235000001636 Mentha x rotundifolia Nutrition 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 241001222095 Plagiognathops microlepis Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000366 juvenile effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 241000894007 species Species 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
- A01K61/10—Culture of aquatic animals of fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a co-culture method of a green ecological pond, which comprises the steps of constructing a culture pond, wherein the culture pond is provided with a centralized culture area and a purification area, the purification area is divided into a primary purification area, a secondary purification area, a tertiary purification area and a purified water recycling area, and water flow passes through the centralized culture area, the primary purification area, the secondary purification area, the tertiary purification area and the purified water recycling area in sequence by using an oxygenation water pushing device or a waterwheel type aerator and returns to the centralized culture area to form running water with directional circulating micro water flow. The invention can realize the regional cultivation of multiple varieties, improve the management efficiency and the feed conversion rate and increase the risk resistance; aquatic plants are planted in the purification area, and the purified water fishes are bred, so that the ecological restoration function of pond organisms in situ is achieved, and the water ecology is protected; by utilizing the oxygen increasing and water pushing equipment, directional circulating micro water flow can be formed in each area, the water body is recycled, and the absorption, utilization and conversion of nutrient substances such as N, P in the water body are promoted.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a method for co-culturing percolated shrimps and crabs in a green ecological pond, which is suitable for culture ponds in areas such as subregion culture, pond culture tail water which needs to be discharged up to standard, insufficient water resources and the like.
Background
Pond culture is a main mode of fishery production in China, the culture mode of the pond culture is continuously updated along with the progress of technology and equipment and the development of society, and the pond culture is currently in a mode of changing from a extensive high-yield mode to an ecological high-quality development mode so as to meet the requirement of people on high-quality aquatic products. Particularly, in order to implement ecological civilization construction, reduce water discharge and protect water ecology, innovation and breakthrough are needed from basic and critical aspects such as culture technology, mode and method of main aquatic products, culture habits are changed, culture modes are optimized, and the ecological culture method is suitable for the development requirement of new-era aquaculture green ecology.
At present, most of freshwater Micropterus salmoides, freshwater shrimps and river crab culture ponds in China adopt the traditional culture method, and the mode of singly culturing Micropterus salmoides, singly culturing river crabs or culturing freshwater shrimps in a river crab pond is adopted, so that the culture method has the following defects: (1) the breeding variety is less, and the risk resistance is low; (2) the breeding species are distributed all over the whole pond, the management is inconvenient, and the feed conversion rate is low; (3) the micropterus salmoides culture pond has no in-situ ecological restoration function, and is easy to cause culture water body pollution; (4) in the culture process, water is discharged and irrigated greatly, water resources are wasted, and external water is possibly polluted; (5) the pond is not provided with directional water flow, so that the water body can not be recycled, and the absorption, utilization and conversion of nutrient substances such as nitrogen (N), phosphorus (P) and the like are not facilitated.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method for co-culturing a green ecological pond, which utilizes a newly-built pond ridge or a blocking net to divide the pond into a plurality of functional areas, can realize the regional culture of a plurality of varieties, improves the management efficiency and the feed conversion rate, and increases the risk resistance; aquatic plants are planted in the purification area, and the purified water fishes are bred, so that the ecological restoration function of pond organisms in situ is achieved, and the water ecology is protected; by utilizing the oxygen increasing and water pushing equipment, directional circulating micro water flow can be formed in each area, the water body is recycled, and the absorption, utilization and conversion of nutrient substances such as N, P in the water body are promoted.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a green ecological pond method of raising altogether, is including establishing the breed pond, and this breed pond is provided with concentrated breed district, purifying area, the purifying area is divided into one-level purifying area, second grade purifying area, tertiary purifying area, purified water circulation and recycles the district, and wherein rivers utilize oxygenation push water equipment or waterwheel type oxygen-increasing machine to loop through concentrated breed district, one-level purifying area, second grade purifying area, tertiary purifying area, purified water circulation and recycle the district to get back to concentrated breed district and form the running water that has directional circulation trickle.
As a preferred scheme, the method also comprises the following steps of area layout of the concentrated culture area and the purification area: the area of the concentrated culture area is 2-5% of the total area of the pond, and the area of the purification area is 95-98% of the total area of the pond.
As a preferred scheme, the area of the primary purification area is 20-30% of the total area of the pond, the area of the secondary purification area is 20-30% of the total area of the pond, the area of the tertiary purification area is 20-30% of the total area of the pond, and the purified water recycling area is 5-38% of the total area of the pond.
As a preferred scheme, the co-culture method is particularly the co-culture of the weever, the shrimp and the crab in a green ecological pond.
As a preferred scheme, the method further comprises the following steps of: the first-stage purification area is used for stocking water-purified fishes and planting floating-bed aquatic plants, wherein the coverage area of the floating-bed aquatic plants is 20-30% of that of the first-stage purification area; the freshwater shrimps are bred in the secondary purification area, and aquatic plants are planted in the secondary purification area, wherein the coverage area of the aquatic plants is 20-30% of that of the secondary purification area; and river crabs are bred in the third-level purifying area, and aquatic plants are planted, wherein the coverage area of the aquatic plants is 20-30% of that of the third-level purifying area.
As a preferred scheme, the method further comprises the following steps of centralized breeding area seedling throwing: the micropterus salmoides are bred in the concentrated breeding area, and the pond bottom of the concentrated breeding area is 50-90 cm deeper than the pond bottoms of the secondary purification area and the tertiary purification area.
As a preferred scheme, the method further comprises the following steps: the stocking amount of the micropterus salmoides in the concentrated culture area is calculated according to the total area of the whole pond, the stocking density is 800-1000 tails/mu, and the specification is more than 25 g/tail; the stocking amount of the river crab seeds is calculated according to the area of the three-stage purification area, the stocking density of the river crabs is 350-450 crabs per mu, and the specification is more than 10 g/tail; the stocking amount of the freshwater shrimp seeds is calculated according to the area of the secondary purification area, and the freshwater shrimps are 10-15 kg/mu in spring and 25-30 kg/mu in autumn.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the pond is divided into a plurality of functional areas by using the newly-built pond ridges or blocking nets, so that the multi-variety regional cultivation can be realized, the management efficiency and the feed conversion rate are improved, and the risk resistance is increased; aquatic plants are planted in the purification area, and the purified water fishes are bred, so that the ecological restoration function of pond organisms in situ is achieved, and the water ecology is protected; by utilizing the oxygen increasing and water pushing equipment, directional circulating micro water flow can be formed in each area, the water body is recycled, and the absorption, utilization and conversion of nutrient substances such as N, P in the water body are promoted.
Drawings
Fig. 1 is a plan view of an aquaculture pond system of the present invention.
Detailed Description
The invention is further described with reference to specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
as shown in fig. 1, a co-culture method for green ecological ponds comprises constructing a culture pond, wherein the culture pond is provided with a concentrated culture area A and a purification area, the purification area is divided into a first-stage purification area B, a second-stage purification area C, a third-stage purification area D and a purified water recycling area E, and water flow passes through the concentrated culture area A, the first-stage purification area B, the second-stage purification area C, the third-stage purification area D and the purified water recycling area E in sequence by using an oxygenation water pushing device or a waterwheel type aerator (not shown in the figure) and returns to the concentrated culture area A to form running water with directional circulating micro water flow.
Specifically, the culture pond is a polygonal totally-enclosed culture pond constructed by the pond ridges 1, and the concentrated culture area A and the purification area are enclosed by the newly-built pond ridges 3 and the blocking nets 2.
Preferably, the area layout of the concentrated culture area A and the purification area is also included: the area of the concentrated culture area A is 2-5% of the total area of the pond, and the area of the purification area is 95-98% of the total area of the pond.
Specifically, the concentrated culture area A can be composed of water flowing grooves made of different materials, or can be enclosed by a newly-built pond ridge 3 and a blocking net 2, and the mesh size of the blocking net 2 can be determined according to that the stocking fishes cannot escape, and the excrement of the fishes can pass through.
Preferably, the area of the first-stage purification area B is 20-30% of the total area of the pond, the area of the second-stage purification area C is 20-30% of the total area of the pond, the area of the third-stage purification area D is 20-30% of the total area of the pond, and the purified water recycling area E is 5-38% of the total area of the pond.
Specifically, the first-stage purification area B and the second-stage purification area C, the second-stage purification area C and the third-stage purification area D, and the third-stage purification area D and the purified water recycling area E are divided by a newly-built pond ridge 3 and blocking nets 2, are relatively independent and are mutually communicated, wherein the blocking nets 2 are special river crab culture nets which can be purchased in the market.
Preferably, the co-culture method is particularly the green ecological pond co-culture of the weever, the shrimp and the crab.
Preferably, the method further comprises the following steps of: the first-stage purification area B is used for stocking water-purifying fishes and planting floating bed type aquatic plants, wherein the coverage area of the floating bed type aquatic plants is 20-30% of that of the first-stage purification area B; the freshwater shrimps are bred in the secondary purification area C, and aquatic plants are planted in the secondary purification area C, wherein the coverage area of the aquatic plants is 20-30% of that of the secondary purification area C; and the third-level purifying area D is used for stocking river crabs and planting aquatic plants, wherein the coverage area of the aquatic plants is 20-30% of that of the third-level purifying area D.
Further, the floating bed type aquatic plants in the primary purification area B comprise but are not limited to mint, houttuynia cordata, water spinach floating beds and the like, and the purified fishes comprise but are not limited to silver carp flowers, plagiognathops microlepis and the like; the aquatic plants in the secondary purification area C include but are not limited to hydrilla verticillata, elodea nutans and the like; the aquatic plants in the tertiary purification area D include but are not limited to hydrilla verticillata, elodea nutans and the like.
Furthermore, the aquatic plants planted in the purification area and the water-purifying fishes released and bred in the purification area and having the water purification function can absorb, convert and utilize nutrient substances in wastes such as residual baits, fish feces and the like discharged from the concentrated breeding area A, and play a role in purifying the water body.
Preferably, the method also comprises the step of throwing A seedlings in the centralized culture area: the micropterus salmoides are bred in the concentrated breeding area A, and the pond bottom of the concentrated breeding area A is 50-90 cm deeper than the pond bottoms of the secondary purification area C and the tertiary purification area D, so that the growth requirements of the micropterus salmoides and crabs on different water levels are met.
Preferably, the method further comprises the following steps: the stocking amount of the micropterus salmoides in the concentrated culture area A is calculated according to the total area of the whole pond, the stocking density is 800-1000 tails/mu, and the specification is more than 25 g/tail; the stocking amount of the river crab seeds is calculated according to the area of the third-level purification area D, the stocking density of the river crabs is 350-450 crabs/mu, and the specification is more than 10 g/tail; the stocking amount of the freshwater shrimp seeds is calculated according to the area of the secondary purification area C, and the freshwater shrimps are 10-15 kg/mu in spring and 25-30 kg/mu in autumn.
In actual production, 1-3 oxygenation water pushing devices or waterwheel type oxygen increasing machines are arranged in each area to generate directional closed-loop water flow. The planting of aquatic plants such as hydrilla verticillata, elodea nutans and the like in the purifying area is completed before the end of 12 months to 3 months of the next year in the current year, and the stocking work of the juvenile crabs and the juvenile shrimps in spring is completed; then, gradually increasing the water level of the purification area from about 30cm during seedling setting to about 80cm in the last 7 months, and enabling the water level of the concentrated culture area A to reach about 1.6 meters; in the middle 7 th month, stocking the Micropterus salmoides in the centralized culture area A; breeding pure fishes such as silver carps, plagiognathops microlepis and the like in the primary purification area B, and arranging floating bed aquatic plants such as water spinach, houttuynia cordata and mint; after all the fry stocking work is finished, the fry is transferred to daily cultivation, in the process, an oxygen-increasing water pushing device or a waterwheel type oxygen-increasing machine is utilized to form a concentrated cultivation area A → a first-stage purification area B → a second-stage purification area C → a third-stage purification area D → a purified water recycling area E in a whole pond, and finally the fry returns to the directional circulating micro-flow water of the concentrated cultivation area A, so that the biological in-situ ecological restoration and recycling of the water body are realized, and the absorption, utilization and conversion of nutrient substances such as nitrogen (N), phosphorus (P) and the like in the water body are promoted; granular feed is fed in the whole breeding process, iced fresh fish is not fed, and the input amount of pollution sources in water bodies is reduced.
By the method, a green ecological mode for co-culturing the weever shrimps and crabs in one pond is created, the breeding varieties are multiple, the feed conversion rate is high, and the risk resistance is strong; the 'housing estate' centralized management is realized among all breeding varieties, and the intensive culture and the fine feeding are facilitated; a pond directional circulation micro-flow water and biological in-situ ecological restoration system is constructed, a natural growth environment is simulated, water body recycling is realized, water ecology is protected, and the quality of aquatic products is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The co-culture method of the green ecological pond is characterized by comprising the steps of constructing the culture pond, wherein the culture pond is provided with a concentrated culture area and a purification area, the purification area is divided into a first-stage purification area, a second-stage purification area, a third-stage purification area and a purified water recycling area, and water flow utilization oxygenation water pushing equipment or a waterwheel type aerator sequentially passes through the concentrated culture area, the first-stage purification area, the second-stage purification area, the third-stage purification area and the purified water recycling area and returns to the concentrated culture area to form running water with directional circulating micro water flow.
2. The co-culture method of the green ecological pond according to claim 1, characterized in that: still include the area overall arrangement to concentrating breed district, clean area: the area of the concentrated culture area is 2-5% of the total area of the pond, and the area of the purification area is 95-98% of the total area of the pond.
3. The co-culture method of the green ecological pond according to claim 2, characterized in that: the area of the first-stage purifying area is 20-30% of the total area of the pond, the area of the second-stage purifying area is 20-30% of the total area of the pond, the area of the third-stage purifying area is 20-30% of the total area of the pond, and the purified water recycling area is 5-38% of the total area of the pond.
4. The co-culture method of the green ecological pond according to claim 1, characterized in that: the co-culture method is particularly the co-culture of the weever, the shrimp and the crab in a green ecological pond.
5. The co-culture method of the green ecological pond according to claim 4, characterized in that: still include purification area seedling and put in: the first-stage purification area is used for stocking water-purified fishes and planting floating-bed aquatic plants, wherein the coverage area of the floating-bed aquatic plants is 20-30% of that of the first-stage purification area; the freshwater shrimps are bred in the secondary purification area, and aquatic plants are planted in the secondary purification area, wherein the coverage area of the aquatic plants is 20-30% of that of the secondary purification area; and river crabs are bred in the third-level purifying area, and aquatic plants are planted, wherein the coverage area of the aquatic plants is 20-30% of that of the third-level purifying area.
6. The co-culture method of the green ecological pond according to claim 5, characterized in that: still include to concentrate the breed district seedling and put in: the micropterus salmoides are bred in the concentrated breeding area, and the pond bottom of the concentrated breeding area is 50-90 cm deeper than the pond bottoms of the secondary purification area and the tertiary purification area.
7. The co-culture method of the green ecological pond according to claim 6, characterized in that: further comprises cultivation management: the stocking amount of the micropterus salmoides in the concentrated culture area is calculated according to the total area of the whole pond, the stocking density is 800-1000 tails/mu, and the specification is more than 25 g/tail; the stocking amount of the river crab seeds is calculated according to the area of the three-stage purification area, the stocking density of the river crabs is 350-450 crabs per mu, and the specification is more than 10 g/tail; the stocking amount of the freshwater shrimp seeds is calculated according to the area of the secondary purification area, and the freshwater shrimps are 10-15 kg/mu in spring and 25-30 kg/mu in autumn.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115362974A (en) * | 2022-08-11 | 2022-11-22 | 珠海利洋苗种繁育有限公司 | Multi-pond combined non-continuous circulating aquaculture and purification system and operation method |
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| 张茂友;诸葛燕;徐雪英;徐峥;: "池塘工业化生态养殖系统鱼虾共养模式试验", 水产养殖, no. 03 * |
| 陈文华;张茂友;赵俊胜;丛恒;: "池塘工业化生态养殖系统净化区养殖河蟹试验总结", 科学养鱼, no. 12, pages 32 - 33 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115362974A (en) * | 2022-08-11 | 2022-11-22 | 珠海利洋苗种繁育有限公司 | Multi-pond combined non-continuous circulating aquaculture and purification system and operation method |
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