CN103814857A - Fish and crab hybrid breeding pond and breeding method thereof - Google Patents

Fish and crab hybrid breeding pond and breeding method thereof Download PDF

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Publication number
CN103814857A
CN103814857A CN201410052899.1A CN201410052899A CN103814857A CN 103814857 A CN103814857 A CN 103814857A CN 201410052899 A CN201410052899 A CN 201410052899A CN 103814857 A CN103814857 A CN 103814857A
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China
Prior art keywords
fish
crab
breeding
district
farming area
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CN201410052899.1A
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Chinese (zh)
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CN103814857B (en
Inventor
蔡春芳
沈建明
叶元土
戴子坚
伊淑萍
张倩
张振龙
龚志
吴韬
李婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yangchenghu Modern Agriculture Development Co Ltd
XINGHUA AQUATIC TECHNOLOGY PROMOTION STATION
Suzhou University
Original Assignee
Suzhou Yangchenghu Modern Agriculture Development Co Ltd
XINGHUA AQUATIC TECHNOLOGY PROMOTION STATION
Suzhou University
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Application filed by Suzhou Yangchenghu Modern Agriculture Development Co Ltd, XINGHUA AQUATIC TECHNOLOGY PROMOTION STATION, Suzhou University filed Critical Suzhou Yangchenghu Modern Agriculture Development Co Ltd
Priority to CN201410052899.1A priority Critical patent/CN103814857B/en
Publication of CN103814857A publication Critical patent/CN103814857A/en
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Publication of CN103814857B publication Critical patent/CN103814857B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a fish and crab hybrid breeding pond and a breeding method thereof. The breeding method includes that the breeding pond is divided into a fish breeding section and a crab breeding section, the crab breeding section is located in the middle, the fish breeding section is arranged on the periphery of the crab breeding section, and a separation net is arranged between the fish breeding section and the crab breeding section; water is led into the breeding pond, the water depth of the fish breeding section is not lower than 130cm while the water depth of the crab breeding section is not lower than 50cm, and vegetarian fish species and crab species are respectively thrown into the fish breeding section and the crab breeding section. Since fish and crabs are bred in the same environment, resource utilization of nitrogen and phosphorus pollution generated from fish breeding and excessive dissolved oxygen and water plants generated from crab breeding can be realized, and fish and crab hybrid breeding can be achieved.

Description

A kind of fish crab culturing pool and cultural method thereof
Technical field
The present invention relates to a kind of aquaculture pond, be specifically related to a kind of cultivating pool of fish crab mixed breed and use the method for this pond culture fish crab.
Background technology
In recent years, China's fresh water water quality is in continuous deterioration.Its honor of Agricultural University Of Nanjing Shen etc. show the investigation in Taihu Lake, from body eutrophication Material Source, account for 20% from the nutrient contribution rate in inflow Taihu Lake, farmland, account for 40% from aquatic products, livestock and poultry cultivation, account for 20% ~ 30% from town domestic sewage and mud, also have other sources to account for 10% ~ 20%.Self water that illustrates that aquaculture causes pollutes and can not despise.
In order to administer breeding pollution, from country to place, all take a series of behave.Be example take Jiangsu, important culturing area has all completed circulating water cultivation transformation of facility.For this reason, Government and enterprise has all dropped into a large amount of man power and materials.
But, cause the so-called pollutant of body eutrophication, be mainly nitrogen and phosphorus, for aquaculture, be also nutriment.These nutriments are utilized by micro-algae, and micro-algae is eaten by zooplankton and filter-feeding aquatic animal again, thereby become directly or indirectly the natural bait of aquatic livestock.Micro-algae also produces oxygen by photosynthesis, for aquatic animal provides sufficient dissolved oxygen." when the water is too clear there are no fish ", cultivating pool requires water quality to have certain fertile degree.
High-density breeding pond is because the oxygen demand of cultivated animals is higher than micro-algae photosynthesis oxygen-producing amount, thereby often occurs the phenomenon that anoxic is raised the nose above water to breathe, especially after midnight with sunrise before and after.In order to guarantee fish normal growth, need to be equipped with aerator.But for foster crab (Eriocheir sinensia, also claim river crab, crab) pond, because breeding density is very low, Yield Fish Culture Ponds river crab output also only has 100kg left and right, and in pond, needing to plant the shelter of a large amount of pasture and water as crab shelling, its photosynthesis oxygen-producing amount far exceedes crab oxygen demand, causes pond dissolved oxygen supersaturation, especially afternoon at fine day, more than dissolved oxygen can reach 15mg/L.Meanwhile, photosynthesis consumes CO2, and PH is raised to more than 9.5, and so high dissolved oxygen and PH are also unfavorable for river crab growth and healthy, and crab body colour is also had to certain negative effect.Simultaneously, pasture and water have competitive inhibition to micro-algae, support crab pond clear water matter and make river crab can not obtain enough natural baits, thereby also just can not obtain the nutriments relevant with health with body colour such as astaxanthin contained in micro-algaes that himself can not synthesize but many.In addition, the pasture and water of supporting crab pond undue growth also need to remove, and the pasture and water of salvaging out are often thrown away in bank formation secondary pollution.But eel grass, the waterweed etc. in foster crab pond, planted can be used as the bait of herbivorous fishes.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of fish crab culturing pool and cultural method thereof, and fish crab is supported altogether in same environment, and the excessive dissolved oxygen that the pollutant such as nitrogen, phosphorus that realizing breeds fish produces and foster crab produce and the recycling of pasture and water reach the fish crab effect of fertilizer mutually.
To achieve the above object of the invention, the technical solution used in the present invention is: a kind of fish crab culturing pool, described culturing pool area is not less than 10 mu, comprise He Yangxie district, fish farming area, described fish farming area is positioned at periphery, Yang Xie district, and the described fish farming area depth of water is not less than 130cm, the described Yang Xie district depth of water is not less than 50cm, between He Yangxie district, described fish farming area, be provided with crab and prevent escaping separation net, described separation net mesh size is less than 2.2cm, and the Area Ratio in Yu Yangxie district, described fish farming area is that 3:7 is to 7:3.
In technique scheme, described Yang Xie district one side is provided with projection, in described fish farming area, be provided with gate along protruding bearing of trend, in Yu Yangxie district, described gate upper end projection, along flushing, described projection and gate can surround the dispenser region of a sealing in fish farming area.
In technique scheme, described height of projection is at least 30cm, in described projection, is provided with anti-escape device, and described anti-escape device is generally calcium-plastic board.
In technique scheme, described culturing pool is rectangle.
Further technical scheme, as required, is also provided with aerator in described fish farming area.
A kind of fish crab cultural method, culturing pool is divided into He Yangxie district, fish farming area, described Yang Xie district is in centre, periphery, Yang Xie district is located in described fish farming area, between He Yangxie district, described fish farming area, separation net is set, and described separation net mesh size is less than 2.2cm, water is introduced to culturing pool, make the fish farming area depth of water be not less than 130cm, the Yang Xie district depth of water is not less than 50cm, throws in respectively fingerling and crab kind in He Yangxie district, fish farming area.
In technique scheme, fish farming area planted agent puts the herbivorous fishes such as bream, grass carp in a suitable place to breed, is especially advisable with large size fingerling, to reduce medication probability.
The present invention is in the time of dispenser, all surface in the bossing and the gate upper end that first cultivation pool inner water potential drop are low to moderate to Yang Xie district, close a side gate, use water pump to make water form current to opposite side gate direction in fish farming area, utilize fish to like habit that adverse current is moved about that fish is drawn to dispenser region and then close opposite side gate.After dispenser, can reduce drug concentration by the method for changing water in applying area, then open the sluices, moisturizing is to suitable water level.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. will to cultivate Division be He Yangxie district, fish farming area in the present invention, fish crab is carried out to mixed breed, the excessive dissolved oxygen in Yang Xie district can be that fish are used, micro-algae of fish farming area can be improved crab body colour and local flavor, the pasture and water of Yang Xie district undue growth also can be herbivorous fishes and eat, realize the recycling of pollutant, reduce breeding water body oxygen enrichment, realize fish crab fertilizer mutually.
2. Yang Xie of the present invention district one side is provided with projection, in fish farming area, be provided with two gates along protruding bearing of trend, when water level is down to after projection surfaces, projection forms independently dispenser region with gate and edge, fish farming area, in deployed dispenser region, after drug concentration, open the sluices, water level is returned to starting altitude, thereby can reduce conventional application method because of the impact of drug concentration inequality on fish crab, and simplified dispenser process.
Accompanying drawing explanation
Fig. 1 is the structural representation of culturing pool of the present invention in embodiment mono-.
Fig. 2 is the side sectional view of Fig. 1.
Wherein: 1, culturing pool; 2, fish farming area; 3, Yang Xie district; 4, separation net; 5, projection; 6, gate; 7, anti-escape device; 8, dispenser region.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-: shown in Figure 1, a kind of fish crab culturing pool, described culturing pool 1 area is not less than 10 mu, comprise 2 He Yangxie districts 3, fish farming area, described fish farming area is positioned at periphery, Yang Xie district, and the described fish farming area depth of water is not less than 130cm, the described Yang Xie district depth of water is not less than 50cm, between He Yangxie district, described fish farming area, be provided with crab and prevent escaping separation net 4, described separation net mesh size is less than 2.2cm, and the Area Ratio in Yu Yangxie district, described fish farming area is that 3:7 is to 7:3.
In the present embodiment, Yang Xie district one side is provided with the projection 5 that is not less than 30cm, and projection is provided with anti-escape device 7, in fish farming area, is provided with gate 6 along protruding bearing of trend, the upper edge of Yu Yangxie district, gate upper end projection flushes, and projection and gate can surround the dispenser region 8 of a sealing in fish farming area.
As required, in fish farming area of the present invention, be also provided with aerator.
A kind of fish crab cultural method, culturing pool is divided into He Yangxie district, fish farming area, described Yang Xie district is in centre, periphery, Yang Xie district is located in described fish farming area, between He Yangxie district, described fish farming area, separation net is set, water is introduced to culturing pool, make the fish farming area depth of water be not less than 130cm, the Yang Xie district depth of water is not less than 50cm, throws in respectively fingerling and the crab kind of herbivorous fishes in He Yangxie district, fish farming area.

Claims (8)

1. a fish crab culturing pool, described culturing pool area is not less than 10 mu, comprise He Yangxie district, fish farming area, it is characterized in that: described fish farming area is positioned at periphery, Yang Xie district, the described fish farming area depth of water is not less than 130cm, and the described Yang Xie district depth of water is not less than 50cm, is provided with the anti-separation net of escaping of crab between He Yangxie district, described fish farming area, described separation net mesh size is less than 2.2cm, and the Area Ratio in Yu Yangxie district, described fish farming area is that 3:7 is to 7:3.
2. a kind of fish crab culturing pool according to claim 1, is characterized in that: described Yang Xie district one side is provided with projection, in described fish farming area, is provided with gate along protruding bearing of trend, and in Yu Yangxie district, described gate upper end projection, edge flushes.
3. a kind of fish crab culturing pool according to claim 2, is characterized in that: described height of projection is at least 30cm.
4. a kind of fish crab culturing pool according to claim 2, is characterized in that: described projection is provided with anti-escape device.
5. a kind of fish crab culturing pool according to claim 1, is characterized in that: described culturing pool is rectangle.
6. a kind of fish crab culturing pool according to claim 1, is characterized in that: described fish farming area is provided with aerator.
7. a fish crab cultural method, it is characterized in that: culturing pool is divided into He Yangxie district, fish farming area, described Yang Xie district is in centre, periphery, Yang Xie district is located in described fish farming area, between He Yangxie district, described fish farming area, separation net is set, water is introduced to culturing pool, make the fish farming area depth of water be not less than 130cm, the Yang Xie district depth of water is not less than 50cm, throws in respectively fingerling and crab kind in He Yangxie district, fish farming area.
8. a kind of fish crab cultural method according to claim 7, is characterized in that: described fingerling is herbivorous fishes.
CN201410052899.1A 2014-02-17 2014-02-17 A kind of fish crab culturing pool and cultural method thereof Expired - Fee Related CN103814857B (en)

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CN103814857B CN103814857B (en) 2015-11-25

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105475203A (en) * 2015-12-28 2016-04-13 苏州市相城区太平蟹业专业合作社 Ecological fish and crab farming method
CN105613368A (en) * 2015-12-28 2016-06-01 朱夏峰 Three-dimensional culture method and device
CN106106285A (en) * 2016-06-30 2016-11-16 淮南市农康生态农业有限公司 A kind of pond natural, ecological cultural method of swimming crab
CN106888999A (en) * 2017-02-28 2017-06-27 铜仁市凯盛水产养殖有限公司 A kind of disease prevention method of cray
CN107691306A (en) * 2017-11-14 2018-02-16 合肥康青源养殖有限公司 Crucian and crab ecological cultivation method
CN108739553A (en) * 2018-08-09 2018-11-06 合肥康青源养殖有限公司 A kind of ecology ichthyophagy crab cultural method
CN110326557A (en) * 2019-07-12 2019-10-15 南京帅丰饲料有限公司 The cultural method of crab and mandarin fish

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101766138A (en) * 2010-01-13 2010-07-07 苏州大学 Circulating-water aquaculture system and application thereof
CN102630626A (en) * 2011-12-16 2012-08-15 苏州市阳澄湖消泾虾蟹产销专业合作社 Distribution of environment-friendly aquaculture farm
CN102657107A (en) * 2011-12-09 2012-09-12 大通湖天泓渔业股份有限公司 Method for culturing river crabs and grass carps in a pond

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101766138A (en) * 2010-01-13 2010-07-07 苏州大学 Circulating-water aquaculture system and application thereof
CN102657107A (en) * 2011-12-09 2012-09-12 大通湖天泓渔业股份有限公司 Method for culturing river crabs and grass carps in a pond
CN102630626A (en) * 2011-12-16 2012-08-15 苏州市阳澄湖消泾虾蟹产销专业合作社 Distribution of environment-friendly aquaculture farm

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105475203A (en) * 2015-12-28 2016-04-13 苏州市相城区太平蟹业专业合作社 Ecological fish and crab farming method
CN105613368A (en) * 2015-12-28 2016-06-01 朱夏峰 Three-dimensional culture method and device
CN106106285A (en) * 2016-06-30 2016-11-16 淮南市农康生态农业有限公司 A kind of pond natural, ecological cultural method of swimming crab
CN106888999A (en) * 2017-02-28 2017-06-27 铜仁市凯盛水产养殖有限公司 A kind of disease prevention method of cray
CN107691306A (en) * 2017-11-14 2018-02-16 合肥康青源养殖有限公司 Crucian and crab ecological cultivation method
CN108739553A (en) * 2018-08-09 2018-11-06 合肥康青源养殖有限公司 A kind of ecology ichthyophagy crab cultural method
CN110326557A (en) * 2019-07-12 2019-10-15 南京帅丰饲料有限公司 The cultural method of crab and mandarin fish

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