CN103392631A - Intercropping rotation-grazing purse net device for enclosing crabs and soft-shell turtles and intercropping rotation-grazing method thereof - Google Patents
Intercropping rotation-grazing purse net device for enclosing crabs and soft-shell turtles and intercropping rotation-grazing method thereof Download PDFInfo
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- CN103392631A CN103392631A CN2013102475212A CN201310247521A CN103392631A CN 103392631 A CN103392631 A CN 103392631A CN 2013102475212 A CN2013102475212 A CN 2013102475212A CN 201310247521 A CN201310247521 A CN 201310247521A CN 103392631 A CN103392631 A CN 103392631A
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- 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
Abstract
The invention discloses an intercropping rotation-grazing purse net device for enclosing crabs and soft-shell turtles and an intercropping rotation-grazing method of the device. The intercropping rotation-grazing purse net device for enclosing the crabs and the soft-shell turtles comprises an outer-layer purse net, monitoring cages, an inner-layer purse net, separation purse nets, separation cages, a temperature senor, a water temperature displayer, a crab raising enclosing area and a soft-shell turtle raising enclosing area. The intercropping rotation-grazing method of the intercropping rotation-grazing purse net device includes cultivation purse net setting and building, pest eliminating, seeding, snail putting, crab and soft-shell turtle seedling stocking, crab seedling secondary stocking, inspection, temperature measurement, feeding, catching and rotation-grazing breeding. The device enables the river crabs and the Chinese soft-shell turtles to be bred simultaneously, can have the advantages of breeding of a single species, also has the advantages of intercropping, is little in daily management and protection labor intensity, high in aquatic product quality, high in economic benefit per unit area and convenient and fast in application method, and facilitates centralized popularization and application of advanced technologies of temperature measurement feeding management and protection, temperature measurement catching and the like.
Description
Technical field
The present invention relates to a kind of netting gear for aquaculture, relate in particular to a kind of netting gear for cultivated crabs and soft-shelled turtle.
Background technology
River crab formal name used at school Eriocheir sinensia, claim again steamed crab, eriocheir sinensis.Soft-shelled turtle formal name used at school Shelled Turtle Trionyx Sinensis, claim again soft-shelled turtle, the soft-shelled turtle, and both are all with fine and tender taste, delicious flavour, the market of having won such as nutritious.
River crab and Shelled Turtle Trionyx Sinensis are through the trials and hardships of decades, spread over a whole area from one point and form huge industry size, nowadays, crab, soft-shelled turtle have become the pillar industry in some provinces, city (county) agricultural production, scientific research, production, processing, trade one continuous line industrial chain have been formed at present, in lake, reservoir and large tracts of land river, people use the purse seine method to carry out propagating artificially of special aquatic products product, have obtained success.Yet existing special aquatic products product to propagate density artificially large, the natural water biotic factor is difficult to meet aquatic products growth requirement.In the aquaculture model of existing lake region, propagating artificially mainly with monoculture or with fish of crab and soft-shelled turtle raised together with, and monoculture makes to propagate artificially to nurse and has more specific aim, the raising of favourable output, but in quality, be difficult to improve.For example crab food grass amount is large, and it is inadequate depending merely on pasture and water in the purse seine waters in propagating nursing process artificially, must mow and throw something and feed from non-purse seine zone, and not only labour intensity and workload are very large, and the pasture and water of throwing something and feeding are stale, are unfavorable for the growth of crab.And soft-shelled turtle eats grass hardly, and the excessively good search of food that is unfavorable for soft-shelled turtle of pasture and water growing way in net encloses, directly affect the growth of soft-shelled turtle.
In order to promote the fisherman to increase production, increase income, advance the fishery sustainable and healthy development, the applicant, through studying for a long period of time and testing, successfully explores a cover net and encloses the high-efficiency artificial cultural technique of supporting rotation grazing between crab, soft-shelled turtle, develop a kind of net and enclose foster rotation grazing purse seine device between crab, soft-shelled turtle, its using method is provided.
Summary of the invention:
The purpose of this invention is to provide a kind of net encloses between crab, soft-shelled turtle and to support rotation grazing purse seine device and to support the rotation grazing method therebetween, use this covering device river crab and Shelled Turtle Trionyx Sinensis can be cultivated simultaneously, can not only inherit the advantage of monoculture, have advantages of that again cover supports, daily to manage and protect labour intensity little, and the output of aquatic products is high, quality better, the economic benefit of unit are is high, and using method is convenient, is convenient to concentrate to use thermometric to feed intake and manages and protects the applying of advanced technology such as fish for thermometric.
The technical scheme that the present invention takes is:
a kind of net encloses crab, support rotation grazing purse seine device between soft-shelled turtle, it is characterized in that: comprise that outer layer net encloses, the monitoring cage, inner layer net encloses, separate mesh encloses, separate cage, temperature sensor and water temperature display, outer layer net encloses the outer peripheral areas of a closure, inner layer net encloses the interior region of a closure, and interior region is arranged in outer peripheral areas, the monitoring cage is arranged between outer peripheral areas and interior region, in interior region, enclose and separate by the double-layer separate filter dividing wall that cage forms and support with being separated out in interior region that the crab net encloses district and foster soft-shelled turtle net encloses district, outer layer net encloses, the monitoring cage, inner layer net encloses, separate mesh encloses and separates cage and all by gabion, fix, temperature sensor is arranged on outer layer net and encloses, the monitoring cage, inner layer net encloses, separate mesh encloses or separates on cage, water temperature display is arranged on riverbank in the pillar room, temperature sensor is electrically connected to water temperature display.
Further, enclose in district and be provided with the light bath platform at foster soft-shelled turtle net.
Further, being provided with juvenile crab in foster crab net encloses district supports temporarily Intranet and encloses.
Above-mentioned net enclose between crab, soft-shelled turtle support rotation grazing purse seine device between to support the rotation grazing method as follows:
The first, cultivation arranges builds: be separated in inner layer net encloses and support that the crab net encloses district and foster soft-shelled turtle net encloses district, supporting the crab net, to enclose the Area Ratio that district and foster soft-shelled turtle net enclose district be 3:2;
The second, know harmful animal: net encloses to put has built that use draws in the net to fish for or the electric fishing mode is removed net and enclosed interior harmful organisms, to improve survival rate and the growth rate of crab, soft-shelled turtle;
The 3rd, plant grass and throw spiral shell: plant grass, inner layer net encloses interior plantation pasture and water, the pasture and water kind is take eel grass, hydrilla verticillata and the waterweed of heavy water-based as main, paving is with a small amount of floating plant, the pasture and water area be inner layer net enclose the gross area 1/3～1/2, both can provide crab, soft-shelled turtle to perch and keep away the enemy place, can be used as again the green fodder source of crab, can also purify water; Throw spiral shell, spiral shell is the sanctifier of water quality, is again the new fresh food of crab, soft-shelled turtle, and every year, input twice, namely throws in 200～250 jin, screw alive for clear and bright front every mu, and August, every mu of input was 250～300 jin;
The 4th, crab, soft-shelled turtle seed are put in a suitable place to breed, and crab, soft-shelled turtle seed put the saline solution of front use 5% in a suitable place to breed or the 20mg/L liquor potassic permanganate soaks 10min, and the crab kind was put into and supported juvenile crab that the crab net encloses district and support temporarily Intranet and enclose annual February, at the beginning of waiting to cultivate and arriving by the end of May to 6 month; The soft-shelled turtle kind is put into foster soft-shelled turtle net the annual the first tenday period of a month in May (water temperature stability is more than 15 ℃) and is enclosed district, and the supply volume of every mu of seedling is 500 left and right of young soft-shelled turtle of 5～8/kg;
The 5th, juvenile crab kind secondary is put in a suitable place to breed: when foster crab net encloses the growth of interior pasture and water and spiral shell and breeds certain quantity, then juvenile crab is supported the Intranet circle temporarily remove, every mu of crab kind 800-900 of putting 80～120/kg in a suitable place to breed;
The 6th, check: enclose district and foster soft-shelled turtle net and enclose water temperature real-time testing in district supporting the crab net by temperature sensor and water temperature display, for thermometric feeds intake and thermometric is fished for and provided with reference to operating basis;
The 7th, thermometric is thrown something and fed and is fished for: manage and protect process daily, throw something and feed and fish for according to water temperature value, when water temperature must be thrown something and fed to crab at the weather of 15 ℃～28 ℃ of scopes, feeding volume is 5% of crab storage body weight, does not does not throw something and feed or throws something and feeds less when water temperature is not in this scope; When water temperature must be thrown something and fed to soft-shelled turtle at the weather of 20 ℃～33 ℃ of scopes, feeding volume is 3% of soft-shelled turtle storage body weight, does not does not throw something and feed or throws something and feeds less when temperature is not in this scope; Fish for, crab is by separating cage and monitoring cage and fish for, and soft-shelled turtle is adopted and draws in the net to fish for;
The 8th, rotation grazing is put in a suitable place to breed: after the cultivation phase of fishing for finishes, rest the crab net and enclose district and foster soft-shelled turtle net and enclose district and exchange rotation grazing, place respectively soft-shelled turtle, crab, carry out rotation grazing and put in a suitable place to breed.
because netting gear science of the present invention arranges enclosure net structure, according to crab, the bioecology characteristic that soft-shelled turtle is different, inner layer net is enclosed and encloses and separate by the double-layer separate filter dividing wall that cage forms and support with being separated out in interior region that the crab net encloses district and foster soft-shelled turtle net encloses district, enclose interior plantation water plants and spiral shell at inner layer net, water plants energy absorbed nitrogen, phosphorus, the nutritive salt such as sulphur, put in right amount spiral shell in a suitable place to breed in the internal layer purse seine, a species of small clam living in fresh water and flower silver carp can purify water, organic debris in filtered water and plankton, crab seedling and soft-shelled turtle seedling are put into respectively and are supported the crab net and enclose district and foster soft-shelled turtle net and enclose the interval, district and put in a suitable place to breed, according to crab, the different recipe characteristics of soft-shelled turtle, substantially drinking water is not careless due to soft-shelled turtle, therefore the pasture and water growing way is luxuriant in foster soft-shelled turtle net encloses district, and crab is edible pasture and water, therefore pasture and water just lack in foster crab net encloses district, must regularly throw something and feed, adopt net to enclose crab, supporting rotation grazing between soft-shelled turtle can rest the soft-shelled turtle net and enclose pasture and water in district and cut nearby to drop into and support the crab net and enclose in district edible for crab, can alleviate raiser's the daily nursing amount of labour, can reduce costs again.The setting of monitoring cage and separation cage can prevent that crab or soft-shelled turtle from escaping, and can also be used for catching the finished product soft-shelled turtle.Arranging of temperature sensor and water temperature display can be enclosed the water temperature that district and foster soft-shelled turtle net enclose in district and carry out real-time testing being supported the crab net, for thermometric feeds intake and thermometric is fished for and provided with reference to operating basis.After crab, soft-shelled turtle are fished for, adopt crab, soft-shelled turtle transposition cultivation next year, it has not only improved the ecotope that net encloses, for the growth of crab, soft-shelled turtle provides good environment-guarantee, reduce disease and occurred and drug use, and reduced widely the pressure of the living resources such as the large water surface pasture and water in lake region.
Description of drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic top plan view of Fig. 1;
In figure, the 1-outer layer net encloses; 2-monitors cage; The 3-inner layer net encloses; The 4-separate mesh encloses; 5-separates cage; The 6-temperature sensor; The 7-water temperature display; 8-supports the crab net and encloses district; 9-supports the soft-shelled turtle net and encloses district; 10-light bath platform; The 11-juvenile crab is supported temporarily Intranet and encloses.
Embodiment:
Below in conjunction with description of drawings the specific embodiment of the present invention:
a kind of net encloses crab, support rotation grazing purse seine device between soft-shelled turtle, comprise that outer layer net encloses 1, monitoring cage 2, inner layer net encloses 3, separate mesh encloses 4, separate cage 5, temperature sensor 6 and water temperature display 7, outer layer net encloses 1 outer peripheral areas that encloses a closure, inner layer net encloses the 3 interior regions that enclose a closure, and interior region is arranged in outer peripheral areas, monitoring cage 2 is arranged between outer peripheral areas and interior region, in interior region, enclose 4 and separate dividing wall that cage 5 forms and support the crab net and enclose district 8 and foster soft-shelled turtle net and enclose and distinguish 9 being separated out in interior region by the double-layer separate filter, enclosing 8 interior middle parts, district at foster crab net is provided with juvenile crab and supports temporarily Intranet and enclose 11, the surrounding of at foster soft-shelled turtle net, enclosing district 9 is provided with light bath platform 10, outer layer net encloses 1, monitoring cage 2, inner layer net encloses 3, separate mesh encloses 4 all to be fixed by gabion with separation cage 5, temperature sensor 6 is arranged on outer layer net and encloses on 1, water temperature display 7 is arranged on riverbank in the pillar room, temperature sensor 6 is electrically connected to water temperature display 7.
Above-mentioned net enclose between crab, soft-shelled turtle support rotation grazing purse seine device between to support the rotation grazing method as follows:
The first, cultivation arranges builds: be separated in inner layer net encloses and support that the crab net encloses district and foster soft-shelled turtle net encloses district, supporting the crab net, to enclose the Area Ratio that district and foster soft-shelled turtle net enclose district be 3:2;
The second, know harmful animal: net encloses to put has built that use draws in the net to fish for or the electric fishing mode is removed net and enclosed interior harmful organisms, to improve survival rate and the growth rate of crab, soft-shelled turtle;
The 3rd, plant grass and throw spiral shell: plant grass, inner layer net encloses interior plantation pasture and water, the pasture and water kind is take eel grass, hydrilla verticillata and the waterweed of heavy water-based as main, paving is with a small amount of floating plant, the pasture and water area be inner layer net enclose the gross area 1/2, both can provide crab, soft-shelled turtle to perch and keep away the enemy place, can be used as again the green fodder source of crab, can also purify water; Throw spiral shell, spiral shell is the sanctifier of water quality, is again the new fresh food of crab, soft-shelled turtle, and every year, input twice, namely throws in 250 jin, screw alive for clear and bright front every mu, and August, every mu of input was 300 jin;
The 4th, crab, soft-shelled turtle seed are put in a suitable place to breed, and crab, soft-shelled turtle seed put the saline solution of front use 5% in a suitable place to breed or the 20mg/L liquor potassic permanganate soaks 10min, and the crab kind was put into and supported juvenile crab that the crab net encloses district and support temporarily Intranet and enclose annual February, at the beginning of waiting to cultivate and arriving by the end of May to 6 month; The soft-shelled turtle kind is put into foster soft-shelled turtle net the annual the first tenday period of a month in May (water temperature stability is more than 15 ℃) and is enclosed district, and the supply volume of every mu of seedling is 500 left and right of young soft-shelled turtle of 8/kg;
The 5th, juvenile crab kind secondary is put in a suitable place to breed: when foster crab net encloses the growth of interior pasture and water and spiral shell and breeds certain quantity, then with juvenile crab temporarily foster Intranet circle remove, 900 of every mu of crab kinds of putting 120/kg in a suitable place to breed;
The 6th, check: enclose district and foster soft-shelled turtle net and enclose water temperature real-time testing in district supporting the crab net by temperature sensor and water temperature display, for thermometric feeds intake and thermometric is fished for and provided with reference to operating basis;
The 7th, thermometric is thrown something and fed and is fished for: manage and protect process daily, throw something and feed and fish for according to water temperature value, when water temperature must be thrown something and fed to crab at the weather of 15 ℃～28 ℃ of scopes, feeding volume is 5% of crab storage body weight, does not does not throw something and feed or throws something and feeds less when water temperature is not in this scope; When water temperature must be thrown something and fed to soft-shelled turtle at the weather of 20 ℃～33 ℃ of scopes, feeding volume is 3% of soft-shelled turtle storage body weight, does not does not throw something and feed or throws something and feeds less when temperature is not in this scope; Fish for, crab is by separating cage and monitoring cage and fish for, and soft-shelled turtle is adopted and draws in the net to fish for;
The 8th, rotation grazing is put in a suitable place to breed: after the cultivation phase of fishing for finishes, rest the crab net and enclose district and foster soft-shelled turtle net and enclose district and exchange rotation grazing, place respectively soft-shelled turtle, crab, carry out rotation grazing and put in a suitable place to breed.
Claims (4)
1. a net encloses crab, support rotation grazing purse seine device between soft-shelled turtle, it is characterized in that: comprise that outer layer net encloses (1), monitoring cage (2), inner layer net encloses (3), separate mesh encloses (4), separate cage (5), temperature sensor (6) and water temperature display (7), outer layer net encloses (1) and encloses the outer peripheral areas of a closure, inner layer net encloses (3) and encloses the interior region of a closure, and interior region is arranged in outer peripheral areas, monitoring cage (2) is arranged between outer peripheral areas and interior region, in interior region, enclosed (4) and separated the dividing wall that cage (5) forms that foster crab net encloses district (8) and foster soft-shelled turtle net encloses district (9) with being separated out in interior region by the double-layer separate filter, outer layer net encloses (1), monitoring cage (2), inner layer net encloses (3), separate mesh encloses (4) and separates cage (5) and all by gabion, fix, and temperature sensor (6) is arranged on outer layer net and encloses (1), monitoring cage (2), inner layer net encloses (3), separate mesh encloses (4) or separates on cage (5), and water temperature display (7) is arranged on riverbank in the pillar room, and temperature sensor (6) is electrically connected to water temperature display (7).
2. net according to claim 1 encloses between crab, soft-shelled turtle and supports rotation grazing purse seine device, it is characterized in that: at foster soft-shelled turtle net, enclose in district (9) and be provided with light bath platform (10).
3. net according to claim 1 encloses between crab, soft-shelled turtle and to support rotation grazing purse seine device, it is characterized in that: be provided with in foster crab net encloses district (8) juvenile crab temporarily foster Intranet enclose (11).
Net according to claim 1 enclose between crab, soft-shelled turtle support rotation grazing purse seine device between support the rotation grazing method, it is characterized in that: comprise the steps:
The first, cultivation arranges builds: be separated in inner layer net encloses and support that the crab net encloses district and foster soft-shelled turtle net encloses district, supporting the crab net, to enclose the Area Ratio that district and foster soft-shelled turtle net enclose district be 3:2;
The second, know harmful animal: net encloses to put has built that use draws in the net to fish for or the electric fishing mode is removed net and enclosed interior harmful organisms, to improve survival rate and the growth rate of crab, soft-shelled turtle;
The 3rd, plant grass and throw spiral shell: plant grass, inner layer net encloses interior plantation pasture and water, the pasture and water kind is take eel grass, hydrilla verticillata and the waterweed of heavy water-based as main, paving is with a small amount of floating plant, the pasture and water area be inner layer net enclose the gross area 1/3～1/2, both can provide crab, soft-shelled turtle to perch and keep away the enemy place, can be used as again the green fodder source of crab, can also purify water; Throw spiral shell, spiral shell is the sanctifier of water quality, is again the new fresh food of crab, soft-shelled turtle, and every year, input twice, namely throws in 200～250 jin, screw alive for clear and bright front every mu, and August, every mu of input was 250～300 jin;
The 4th, crab, soft-shelled turtle seed are put in a suitable place to breed, and crab, soft-shelled turtle seed put the saline solution of front use 5% in a suitable place to breed or the 20mg/L liquor potassic permanganate soaks 10min, and the crab kind was put into and supported juvenile crab that the crab net encloses district and support temporarily Intranet and enclose annual February, at the beginning of waiting to cultivate and arriving by the end of May to 6 month; The soft-shelled turtle kind is put into foster soft-shelled turtle net the annual the first tenday period of a month in May (water temperature stability is more than 15 ℃) and is enclosed district, and the supply volume of every mu of seedling is 500 left and right of young soft-shelled turtle of 5～8/kg;
The 5th, juvenile crab kind secondary is put in a suitable place to breed: when foster crab net encloses the growth of interior pasture and water and spiral shell and breeds certain quantity, then juvenile crab is supported the Intranet circle temporarily remove, every mu of crab kind 800-900 of putting 80～120/kg in a suitable place to breed;
The 6th, check: enclose district and foster soft-shelled turtle net and enclose water temperature real-time testing in district supporting the crab net by temperature sensor and water temperature display, for thermometric feeds intake and thermometric is fished for and provided with reference to operating basis;
The 7th, thermometric is thrown something and fed and is fished for: manage and protect process daily, throw something and feed and fish for according to water temperature value, when water temperature must be thrown something and fed to crab at the weather of 15 ℃～28 ℃ of scopes, feeding volume is 5% of crab storage body weight, does not does not throw something and feed or throws something and feeds less when water temperature is not in this scope; When water temperature must be thrown something and fed to soft-shelled turtle at the weather of 20 ℃～33 ℃ of scopes, feeding volume is 3% of soft-shelled turtle storage body weight, does not does not throw something and feed or throws something and feeds less when temperature is not in this scope; Fish for, crab is by separating cage and monitoring cage and fish for, and soft-shelled turtle is adopted and draws in the net to fish for;
The 8th, rotation grazing is put in a suitable place to breed: after the cultivation phase of fishing for finishes, rest the crab net and enclose district and foster soft-shelled turtle net and enclose district and exchange rotation grazing, place respectively soft-shelled turtle, crab, carry out rotation grazing and put in a suitable place to breed.
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| CN2013102475212A CN103392631A (en) | 2013-06-20 | 2013-06-20 | Intercropping rotation-grazing purse net device for enclosing crabs and soft-shell turtles and intercropping rotation-grazing method thereof |
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| CN2013102475212A CN103392631A (en) | 2013-06-20 | 2013-06-20 | Intercropping rotation-grazing purse net device for enclosing crabs and soft-shell turtles and intercropping rotation-grazing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613368A (en) * | 2015-12-28 | 2016-06-01 | 朱夏峰 | Three-dimensional culture method and device |
| CN108271729A (en) * | 2018-02-28 | 2018-07-13 | 中国水产科学研究院淡水渔业研究中心 | A kind of region aquaculture escapement |
| CN112493185A (en) * | 2020-11-30 | 2021-03-16 | 广东大麟洋海洋生物有限公司 | Ecological breeding method for golden pomfret |
-
2013
- 2013-06-20 CN CN2013102475212A patent/CN103392631A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613368A (en) * | 2015-12-28 | 2016-06-01 | 朱夏峰 | Three-dimensional culture method and device |
| CN108271729A (en) * | 2018-02-28 | 2018-07-13 | 中国水产科学研究院淡水渔业研究中心 | A kind of region aquaculture escapement |
| CN108271729B (en) * | 2018-02-28 | 2024-01-30 | 中国水产科学研究院淡水渔业研究中心 | Regional aquaculture spacer |
| CN112493185A (en) * | 2020-11-30 | 2021-03-16 | 广东大麟洋海洋生物有限公司 | Ecological breeding method for golden pomfret |
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Application publication date: 20131120 |