CN103688893A - Finless eel pond-net cage ecological culture method - Google Patents

Finless eel pond-net cage ecological culture method Download PDF

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Publication number
CN103688893A
CN103688893A CN201410000110.8A CN201410000110A CN103688893A CN 103688893 A CN103688893 A CN 103688893A CN 201410000110 A CN201410000110 A CN 201410000110A CN 103688893 A CN103688893 A CN 103688893A
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Prior art keywords
net cage
pond
eel
net
tails
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CN201410000110.8A
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Chinese (zh)
Inventor
张磊
段明
程飞
谢松光
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Institute of Hydrobiology of CAS
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Institute of Hydrobiology of CAS
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Priority to CN201410000110.8A priority Critical patent/CN103688893A/en
Publication of CN103688893A publication Critical patent/CN103688893A/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 finless eel pond-net cage ecological culture method, and belongs to the technical field of aquaculture. The method includes the steps of (1) finless eel pond-net cage ecological system construction including A, pond preparation, B, net cage arrangement, C in-cage ecological treatment and D, pond ecological treatment; (2) finless eel breeding; (3) food habit domestication and bait feeding; (4) daily management; (5) finless eel catching. Compared with the prior art, the method has the advantages that a pond-net cage ecological system is successfully constructed by utilizing biological characteristics and feeding habits of several kinds of cultured fishes, net cages need not to be scrubbed frequently, and manual labor force is saved; frequent water transfer is not required, culture expenditure is saved; the finless eel are low in morbidity, less in drug use, high in survival rate, high in quality and good in taste; meanwhile, considerable profit is obtained from polyculture fishes.

Description

Finless eel in pond-net cage ecological cultivation method
Technical field
The invention belongs to technical field of aquaculture, particularly a kind of finless eel in pond-net cage ecological cultivation method.
Background technology
For a long time, the method that swamp eel is propagated artificially mainly contains three kinds of pond culture, paddy field aquaculture and cage cultures; Culture of swamp eel area expands year by year in recent years, and breeding way, except small part paddy field aquaculture, mainly concentrates on cage culture.
Cage culture swamp eel density is large, output is high, throw something and feed conveniently, harvesting is easy.But in swamp eel cage culture process, also exist at present many deficiencies:
1, the easy betting contest of mesh, the inside and outside water exchange capacity of case is little, need to often clean, and labour intensity is large;
2, the residual bait of swamp eel and excreta can be accumulated in net cage, and the corrupt rear bad smell that produces, is unfavorable for swamp eel growth, even in enormous quantities dead;
3, it is serious that nutriment enrichment makes whole pond water eutrophication, and outburst wawter bloom is difficult to control.
Summary of the invention
Object of the present invention is just to overcome the shortcoming and defect existing in current swamp eel cage culture process, a kind of finless eel in pond-net cage ecological cultivation method is provided, be beneficial to biological nature and the eating habit of loach, carp, silver carp, flathead and Plagiognathops microlepis, build the system that a kind of pond-net cage meets ecological culture of swamp eel, optimize existing swamp eel cage culture technology.
The object of the present invention is achieved like this:
1. build finless eel in pond-net cage ecosystem
Prepare in A, pond
Pond selects 4~6 mu of Tu Chi to be advisable, and the depth of water remains on 1.4~1.6m, or according to this spoil pond of will looking for novelty, it is convenient to require into draining;
B, net cage setting
Culture of swamp eel net cage net sheet mesh is 0.5cm; The long 3m of net cage, wide 2 meters, high 1m, drinking water 70cm, on the water surface, net cage exposes 30cm, and each net cage is 3~3.5m bamboo pole Corner Strapped by 4 length; In pond, set in a row, the length and width of net cage are consistent with the length and width direction in pond, and between same row's net cage, distance is 0.5~0.8m, between two row's net cages distance with can be by canoe, conveniently throw something and feed be operating as suitable; Net cage arranges the gross area and accounts for 20~25% of the pond water surface;
Ecological treatment in C, case
A, in culture of swamp eel net cage, plant water peanut, its coverage rate accounts for 80% of net cage area;
In b, net cage, throw in loach, loach specification is 100~130 tails/kg, according to the every case of culture of swamp eel density, throws in loach 0.8~1.5kg;
D, pond ecological treatment
In pond, put carp, silver carp, flathead and Plagiognathops microlepis fingerling in one age in winter in a suitable place to breed, put carp 750~850 tails, silver carp 550~650 tails, flathead 350~450 tails, Plagiognathops microlepis 250~350 tails in a suitable place to breed for every mu, and bait table is set, throw something and feed in right amount;
2. swamp eel is put in a suitable place to breed
After net cage water peanut riotous growth, start to put in a suitable place to breed eel seedling; The individuality of nothing wound that natural water area is fished for, anosis that eel seedling derives from; Eel seedling Individual Size is advisable at 60~90 tails/kg, and every case is put 7.5-10kg in a suitable place to breed;
3. tame and docile food bait throwing in;
4. daily management;
5. fishing ricefield eels.
Build the basic principle of finless eel in pond-net cage ecosystem:
Water peanut provides swamp eel to perch as fish nest, for swamp eel is sheltered from heat or light, absorbs nutriment in water simultaneously, plays the effect of regulating water quality;
Loach lower oxygen concentration resistance, be omnivorousness and there are the fish of necessarily scraping feeding habits, loach can ingest swamp eel residual bait and excreta, and scrape the online part attachment of food, the input of loach makes do not have residual bait and excreta to accumulate in net cage, thereby has ensured good water quality;
Plagiognathops microlepis is to scrape feeding fish, overlaps foster main purpose and be that Plagiognathops microlepis can scrape the attachment of food on net cage in pond, is unlikely to make mesh betting contest, can make the inside and outside water body free exchange of case; The carp humus of can ingesting, the residual bait that the net cage water body of ingesting exchanges and the excreta of swamp eel and loach; Silver carp, flathead food plankton; Between carp, silver carp, flathead three, cooperatively interact and can regulate whole pond waters, control whole body eutrophication, suppress its algal bloom.
Compared with prior art, the present invention has following advantages and good effect:
1. utilize biological property and the eating habit of several cultured fishes, successfully built pond-net cage ecosystem, need not often scrub net cage, save hand labor power; Do not need frequent water transfer, save cultivation spending;
2. swamp eel morbidity is few, and medication is few, and survival rate is high;
3. swamp eel quality is high, mouthfeel good;
4. overlapping foster fish is also a considerable income.
Embodiment
Below in conjunction with embodiment, describe in detail:
1, finless eel in pond-net cage ecosystem builds
At the beginning of 2013 4 months, select 4.5 mu of ponds, with quicklime 100~150kg/ mu, thoroughly clean up the pond, after cleaning up the pond, slotting bamboo pole piling in 5~7 days arranges net cage (each 6m of culture of swamp eel net cage 2, long 3m, wide 2 meters, high 1m), minute 4 rows arrange, and 25 net cages of every row, arrange 100 altogether; Each net cage is fixed with 4 bamboo stakes, and the upper infraclass of net cage is all fixed in bamboo stake, and net cage drinking water 70cm, exposes 30cm on the water surface; After net cage sets, every mu of cow dung 200kg that executes to ferment cultivates water quality, the unsuitable overfertilization of water quality; 7~10 days, after water quality is fostered and apply fertilizer, in net cage, plant water peanut, water peanut area coverage accounts for 80% of net cage area; In pond, cover is supported carp, silver carp, flathead and Plagiognathops microlepis I fingerling in age in winter (spring sheet), and every mu of cover is supported carp 800 tails, silver carp 600 tails, flathead 400 tails, Plagiognathops microlepis 300 tails, and bait table is set, and throws something and feeds in right amount.
2, swamp eel is put in a suitable place to breed
After net cage water peanut riotous growth, start to put in a suitable place to breed eel seedling; The individuality of nothing wound that natural water area is fished for, anosis that eel seedling derives from; Eel seedling Individual Size is advisable at 60~90 tails/kg, and every case is put 7.5-10kg in a suitable place to breed; Put front use 3~5% saline sook 1~2min in a suitable place to breed, sterilize and remove mucus after put into net cage; When putting eel seedling in a suitable place to breed, in net cage, overlap foster appropriate loach, loach specification 100~130 tails/kg, throws in loach 0.8~1.5kg according to the every case of culture of swamp eel density.
3, tame and docile food bait throwing in
After eel seedling nowel, hungry 2~3 days, after the action of eel seedling is normal, start to throw something and feed; Because swamp eel is to come from the wild seed that natural water area is fished for, first to start at night it to tame and docile food, it is main that tame and docile bait material selects swamp eel to like best earthworm, small fish, the spiral shell of ingesting; Take a small amount of method repeatedly, every day is Feeding time in advance gradually, until eel seedling normally ingests, now fixing Feeding time, is generally fixed at 17~18 o'clock and is advisable; Swamp eel, form after good eating habit, can progressively in its bait, add artificial pellet and jointly throw something and feed, and increase gradually the ratio of pellet, be finally controlled at the ratio that 1kg pellet is accompanied 0.8kg fresh food; The throwing amount of raising is generally 4~8% of body weight depending on swamp eel food situation.
4, daily management
Sooner or later patrol for twice half congealed every day, mainly observes the whether de-guiding principle of net cage, particularly in the rainy day, often observe pond water level, and draining in time, in order to avoid water level is too high, unrestrained case causes swamp eel escape; Midsummer, temperature was high, and Chi Shui evaporation is fast, should note timely moisturizing; During continuous high temperature weather, water temperature raises fast, need suitably change Jia Xinshui, within general 5~7 days, changes water once, changes water 15~20% at every turn; Pond water level keeps 1.5m, net cage drinking water 70cm, and on the water surface, net cage exposes 30cm; Regularly prune water peanut and stretch out the branches and leaves outside chest, to prevent that swamp eel from escaping along its branches and leaves.
5, fishing ricefield eels
To, in by the end of September, 2013 through the cultivation of about 5 months time, swamp eel can go on the market by outlet; From 100 fish culture net cages, select at random 20 net cages, swamp eel survival rate is added up, its average survival is that the more existing cultural technique of 87.6%(is high by 20%); Swamp eel in each net cage is weighed, and the average net gain multiple of swamp eel is 3.85 times, and the highest net cage of net gain is 4.37 times, and the minimum net cage of net gain is 3.42 times; During swamp eel outlet, 100 net cages are gathered in the crops altogether cover and are supported loach 386kg; In pond, overlapping foster carp, silver carp, flathead and the Plagiognathops microlepis artifical compound feed that continues to throw something and feed will cultivate to the end of the year.

Claims (1)

1. finless eel in pond-net cage ecological cultivation method, is characterized in that:
1. build finless eel in pond-net cage ecosystem
Prepare in A, pond
Pond selects 4~6 mu of Tu Chi to be advisable, and the depth of water remains on 1.4~1.6m, or according to this spoil pond of will looking for novelty, it is convenient to require into draining;
B, net cage setting
Culture of swamp eel net cage net sheet mesh is 0.5cm; The long 3m of net cage, wide 2 meters, high 1m, drinking water 70cm, on the water surface, net cage exposes 30cm, and each net cage is 3~3.5m bamboo pole Corner Strapped by 4 length; In pond, set in a row, the length and width of net cage are consistent with the length and width direction in pond, and between same row's net cage, distance is 0.5~0.8m, between two row's net cages distance with can be by canoe, conveniently throw something and feed be operating as suitable; Net cage arranges the gross area and accounts for 20~25% of the pond water surface;
Ecological treatment in C, case
A, in culture of swamp eel net cage, plant water peanut, its coverage rate accounts for 80% of net cage area;
In b, net cage, throw in loach, loach specification is 100~130 tails/kg, according to the every case of culture of swamp eel density, throws in loach 0.8~1.5kg;
D, pond ecological treatment
In pond, put carp, silver carp, flathead and Plagiognathops microlepis I fingerling in age in winter in a suitable place to breed, put carp 750~850 tails, silver carp 550~650 tails, flathead 350~450 tails, Plagiognathops microlepis 250~350 tails in a suitable place to breed for every mu, and bait table is set, throw something and feed in right amount;
2. swamp eel is put in a suitable place to breed
After net cage water peanut riotous growth, start to put in a suitable place to breed eel seedling; The individuality of nothing wound that natural water area is fished for, anosis that eel seedling derives from; Eel seedling Individual Size is advisable at 60~90 tails/kg, and every case is put 7.5-10kg in a suitable place to breed;
3. tame and docile food bait throwing in;
4. daily management;
5. fishing ricefield eels.
CN201410000110.8A 2014-01-02 2014-01-02 Finless eel pond-net cage ecological culture method Pending CN103688893A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931535A (en) * 2014-05-11 2014-07-23 中国水产科学研究院长江水产研究所 High-efficiency finless eel breeding net cage and erection method and usage method thereof
CN104054607A (en) * 2014-06-09 2014-09-24 怀远县渔业科技发展有限责任公司 Technical method for pollution-free finless eel raising in pond with net cages
CN104386886A (en) * 2014-12-16 2015-03-04 安徽省农业科学院水产研究所 Method for adjusting water quality of eel breeding pond with net cages
CN104396817A (en) * 2014-11-03 2015-03-11 界首市新马集镇惠康家庭农场 Method for finless eel cage culture in Jieshou area
CN105594625A (en) * 2014-11-21 2016-05-25 巫溪县李响水产养殖专业合作社 Polyculture method for fishes, eels and loaches
CN106035177A (en) * 2016-07-14 2016-10-26 湖南湘湖水产有限公司 Symbiotic planting and breeding method of soft-shelled turtles, eels, fish and lotuses
CN106069906A (en) * 2016-06-21 2016-11-09 苏州市金荒田农业科技有限公司 A kind of cultural method of Monopterus albus (Zuiew)
CN106719119A (en) * 2016-11-22 2017-05-31 湖北省水产科学研究所 A kind of pond efficient ecological three dimensional-planting-breeding method
CN107801666A (en) * 2017-11-30 2018-03-16 安徽大学 The method that the sinking land in coalmining areas builds aquatic vegetation ecologic breeding yellow eel
CN109362624A (en) * 2018-11-01 2019-02-22 浙江海洋大学 The method for improving pond net box culturing rice field eel overwintering survival rate

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931535B (en) * 2014-05-11 2016-01-20 中国水产科学研究院长江水产研究所 A kind of efficient swamp eel breeding net cage and erection method and using method
CN103931535A (en) * 2014-05-11 2014-07-23 中国水产科学研究院长江水产研究所 High-efficiency finless eel breeding net cage and erection method and usage method thereof
CN104054607A (en) * 2014-06-09 2014-09-24 怀远县渔业科技发展有限责任公司 Technical method for pollution-free finless eel raising in pond with net cages
CN104396817B (en) * 2014-11-03 2016-08-24 界首市新马集镇惠康家庭农场 A kind of method of boundary head area swamp eel cage culture
CN104396817A (en) * 2014-11-03 2015-03-11 界首市新马集镇惠康家庭农场 Method for finless eel cage culture in Jieshou area
CN105594625A (en) * 2014-11-21 2016-05-25 巫溪县李响水产养殖专业合作社 Polyculture method for fishes, eels and loaches
CN104386886A (en) * 2014-12-16 2015-03-04 安徽省农业科学院水产研究所 Method for adjusting water quality of eel breeding pond with net cages
CN106069906A (en) * 2016-06-21 2016-11-09 苏州市金荒田农业科技有限公司 A kind of cultural method of Monopterus albus (Zuiew)
CN106035177A (en) * 2016-07-14 2016-10-26 湖南湘湖水产有限公司 Symbiotic planting and breeding method of soft-shelled turtles, eels, fish and lotuses
CN106035177B (en) * 2016-07-14 2018-08-10 湖南湘湖水产有限公司 Soft-shelled turtle, eel, fish, lotus symbiosis breeding method
CN106719119A (en) * 2016-11-22 2017-05-31 湖北省水产科学研究所 A kind of pond efficient ecological three dimensional-planting-breeding method
CN107801666A (en) * 2017-11-30 2018-03-16 安徽大学 The method that the sinking land in coalmining areas builds aquatic vegetation ecologic breeding yellow eel
CN109362624A (en) * 2018-11-01 2019-02-22 浙江海洋大学 The method for improving pond net box culturing rice field eel overwintering survival rate

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Application publication date: 20140402