CN104488772B - Method for improving aperture opening ratio of ricefield eels - Google Patents
Method for improving aperture opening ratio of ricefield eels Download PDFInfo
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- CN104488772B CN104488772B CN201410719627.2A CN201410719627A CN104488772B CN 104488772 B CN104488772 B CN 104488772B CN 201410719627 A CN201410719627 A CN 201410719627A CN 104488772 B CN104488772 B CN 104488772B
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- net cage
- zuiew
- monopterus albus
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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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Abstract
The invention provides a method for improving an aperture opening ratio of ricefield eels. The method comprises the following steps: hanging a net cage in an impermeable membrane soilless culture pond in a greenhouse, putting water plants in the net cage, after the water plants grow for 20-30 days, placing wild ricefield seedlings in the net cage, feeding foods to the ricefield eels, immediately enabling the ricefield eels to open, and transplanting the opened ricefield eel seedlings into the net cage outside the greenhouse after 15-25 days for performing conventional cultivation. The method provided by the invention is not influenced by rainy days, is radically improved in aperture opening ratio of the ricefield eels, has the characteristics of being wide in application range, and high in growing speed and economic benefit of the ricefield eels, and the like, and water quality is easily regulated and controlled.
Description
Technical field
The invention belongs to technical field of aquaculture, more particularly to a kind of method improving Monopterus albus (Zuiew) aperture opening ratio.
Background technology
Monopterus albus (Zuiew) has very high nutrition and medical value, is one of traditional agricultural product that supply falls short of demand few in number, its
Artificial cultivation has a extensive future.At present, because Monopterus albus (Zuiew) biological control technology does not have maturation, the seed of culture of swamp eel comes up substantially
From wild resource.Monopterus albus (Zuiew) under wild environment, live, and in hole, temperature is relatively stable, and water quality environment is relatively good by battalion cave of living scattered,
Its food species is rich and varied.But under the conditions of artificial cultivation, battalion's hole life of suddenly change Monopterus albus (Zuiew) and life of living scattered, water temperature
Hole life is sought in change relatively will acutely much, and water quality environment also has a greater change, and Changes in weather is frequently (particularly continuously cloudy
Rainy day), add fish for, temporarily support, transport, classification, nowel, pasture and water are thrown in, water body maintenance, tame and docile food, endo-medicine, look into case and cleaning
Food platform etc., all easily makes Monopterus albus (Zuiew) produce stress, stress a manifest symptom be exactly not opening food.Monopterus albus (Zuiew) aperture opening ratio
Low, not only have a strong impact on Monopterus albus (Zuiew) growth, also have a strong impact on Chinese yellow eel shoot survival percent, increase medication expense, affect fanning economics, become
For perplexing a great problem of culture of swamp eel industry.
Aborning, experienced raiser can fishing for, temporarily support, transport, classification, nowel, pasture and water input, water body are tieed up
Protect, tame and docile food, endo-medicine, look into each link enforcement scientific management such as case and cleaning food platform, raising Monopterus albus (Zuiew) opening as much as possible
Rate, obtains certain economic benefit, but does not break away from the difficult situation lived at the mercy of the elements, if meeting continuous after Chinese yellow eel Seedling cartonning
Overcast and rainy, then cannot preferably improve Monopterus albus (Zuiew) aperture opening ratio, and due to culture of swamp eel time short (3 months about), once opening
Mouth is bad, just cannot adopt remedial measures later.Therefore, how fundamentally to improve Monopterus albus (Zuiew) aperture opening ratio, break away from overcast and rainy shadow
Ring, be the problem urgently needing aborning to solve.
Content of the invention
It is an object of the invention to provide a kind of method improving Monopterus albus (Zuiew) aperture opening ratio, the method comprises the steps：
Hang net cage in the antiseepage film soil-less breeding pond in booth, and throw in pasture and water in net cage, treat pasture and water growth 20-
After 30 days, Monopterus albus (Zuiew) fish wild seed is put into net cage, feed Monopterus albus (Zuiew) food, allow Monopterus albus (Zuiew) opening in time, by the Huang of opening after 15-25 days
The net cage that Chinese yellow eel seed moves on to outside booth carries out conventional cultivation.
Wherein in booth, the area in antiseepage film soil-less breeding pond is 100-300m2, high 100-120cm；
The long 2-6m of net cage of hanging, wide 2-4m, high 100cm, mesh 5-20 mesh in soil-less breeding pond；
The pasture and water thrown in net cage are the green watermifoil of powder and water peanut, and wherein the area of the green watermifoil of powder is 1/2-2/3, water
The area of Semen arachidis hypogaeae accounts for 1/3-1/2.
When feeding Monopterus albus (Zuiew) food, just start to feed mixed feed according to the quantity of Monopterus albus (Zuiew) body weight 2%, fresh in mixed feed
Blue or green Lumbricuss, the blue or green Lumbricuss of frost or fresh water silk earthworm account for 90%, fish slurry 10%, progressively feeding volume is increased as Finless Eel Monopterus Albus
The 6%-8% of weight.
Specifically, the method for a kind of raising Monopterus albus (Zuiew) aperture opening ratio that the present invention provides, all processes are as follows：
Booth infantile tic linked network case and input pasture and water：Layer overlay thickness 0.2- on the no Tu Chi putting in order in hot house
1 millimeter of high density polyethylene (HDPE) antiseepage film, each no native pool area 100-300m2, high 100-120cm, at the bottom of pond is an inclined-plane,
Lower 10-20cm lower than highest point, and discharge outlet is set in lowest part.It is sewn into polyethylene no tuberosity mesh sheet in the 4-5 month
Uncovered net cage, the long 2-6m of each net cage, wide 2-4m, high 100cm, mesh 5-20 mesh, in the piling of Wu Tuchi surrounding, by No. 7-12
Iron wire is fixed in stake, then net cage is hung on iron wire, injects free of contamination river, tap water, well water or reservoir water, the depth of water
80-100cm.Net cage is arranged side by side with single row or multiple rows, net cage spacing 0.5m about, net cage bottom is away from the bottom of pond 30-50cm, above water
50cm, underwater portion 50cm.Then, throw in net cage and use 20g/m3The pasture and water that copper sulfate was sterilized, pasture and water are reasonably combined, its
The green watermifoil area of middle powder accounts for (Myriophyllum aquaticum) 1/2-2/3, water peanut (Alternanthera
Philoxeroides) area accounts for 1/3-1/2.
Monopterus albus (Zuiew) seed opening in booth：The fine date between late May-early June, the health sterilized
Active Monopterus albus (Zuiew) fish wild seed is invested in booth net cage, 0.3g/m of 5-7 days full pool spilling heads before seed input3Polyvidone
Iodine, seed size is 40-80 tail/kg, and seed density is 1-2kg/m2, seed throw in after 0.4g/m of full pool spilling head simultaneously3Solution
Poison stress spirit.After hungry 3-4 days of Monopterus albus (Zuiew) seed, start to feed mixed feed according to the quantity of Monopterus albus (Zuiew) body weight 2%, in mixed feed
Fresh blue or green Lumbricuss, the blue or green Lumbricuss of frost or fresh water silk earthworm account for 90%, and fish slurry 10% feeds once daily.According to Huang
Feeding volume is progressively increased the 6%-8% for Monopterus albus (Zuiew) body weight by Chinese yellow eel food situation.Then fresh blue or green Lumbricuss, the blue or green Lumbricuss of frost
Or fresh water silk earthworm gradually reduces according to 10% ratio every time, and fish slurry is stepped up according to 10% ratio every time, suitably increase
Plus Monopterus albus (Zuiew) special compound feed, finally reach fresh blue or green Lumbricuss, the blue or green Lumbricuss of frost or fresh water silk earthworm 10% even
Less, fish slurry 80%, mixed feed 10%.The general open-work completing Monopterus albus (Zuiew) seed after 15-25 days.
Monopterus albus (Zuiew) seed moves into the net cage outside booth：In the culture of swamp eel normal seed release time i.e. by the end of June-July on
In ten days, select the fine date, the Monopterus albus (Zuiew) seed of opening is moved on to after sterilization the net cage outside booth, and continue to tame and docile
Food, that is, fish slurry gradually reduces according to 10% ratio every time, and mixed feed is stepped up according to 10% ratio every time, finally reaches fish
Slurry 50%-60%, mixed feed 40%-50%, the cage culture being later put into routine produces.
The cultivation of Monopterus albus (Zuiew) booth and cage culture are combined by the present invention, Monopterus albus (Zuiew) seed is put in a suitable place to breed and eats in hot house inner opening
Food, the net cage then in good time proceeding to Monopterus albus (Zuiew) seed outside booth carries out normal management, thus breaking away from overcast and rainy impact, from basic
Upper raising Monopterus albus (Zuiew) aperture opening ratio, has the features such as easy to operate, wide accommodation, Monopterus albus (Zuiew) fast growth and high financial profit.
The present invention compared with prior art has advantages below：
1st, Monopterus albus (Zuiew) fish wild seed cultivates opening in hot house, has broken away from the overcast and rainy impact waiting adverse weather, and
In booth, water temperature is of a relatively high, adds that cultivation is relatively more early (the 5-6 month), and Monopterus albus (Zuiew) seed eats food fewer under the conditions of in the wild, enter
It is easier opening food after booth.Therefore, Monopterus albus (Zuiew) seed aperture opening ratio of the present invention is higher than prior art, typically 80% with
On, and the culture of swamp eel aperture opening ratio of routine general only 60% about.
2nd, pasture and water of the present invention are reasonably combined, and the water peanut of Chinese yellow eel supported by existing general net cage, has the green watermifoil of powder, water peanut again
Well developed root system, has functions that certain pre- preventing disease and pest, but easily suffers insect pest, and the green watermifoil of powder turns green comparison early, growth speed
Degree is fast, to water body purification ability by force it is not easy to suffer insect pest.Therefore, both pasture and water are reasonably combined, and pasture and water grow densely, water quality
Easily regulate and control, Monopterus albus (Zuiew) weed survival rate is high, is more prone to opening.
3rd, the culture of swamp eel normal seed release time by the end of June-early July, the present invention is in late May-early June big
Monopterus albus (Zuiew) seed is thrown in, culturing time is more early, and in booth, water temperature is of a relatively high, Monopterus albus (Zuiew) opening is early, aperture opening ratio is higher in canopy,
Culturing time is longer, Monopterus albus (Zuiew) weightening multiple is high, and economic benefit is obvious.
4th, wide accommodation, can be improved yellow in the relatively low central and west regions of China's temperature on average using the technology of the present invention
Chinese yellow eel seed aperture opening ratio.
Specific embodiment
Hereinafter technical scheme is illustrated with specific embodiment, but protection scope of the present invention is not limited to embodiment
1
Enforcement place：Jiangsu Province Suzhou Changshu City.The enforcement time：In April, 2013-June.Put in order in hot house
The high density polyethylene (HDPE) antiseepage film of 0.32 millimeter of layer overlay thickness on no Tu Chi, each no native pool area 200m2, high 100cm,
At the bottom of pond is an inclined-plane, lowest part 15cm lower than highest point, and arranges discharge outlet in lowest part.No tied with polyethylene at the beginning of 4 months
Section mesh sheet is sewn into uncovered net cage, each net cage 3m × 2m × 1m, and mesh 10 mesh is driven piles in pond surrounding, and No. 12 iron wires are solid
It is scheduled in stake, then net cage is hung on iron wire, inject free of contamination well water, depth of water 80cm.Net cage is single, net cage spacing 0.5m
Left and right, away from the bottom of pond 30cm, above water 50cm, underwater portion 50cm, each no Tu Chi hangs 24 net cages for net cage bottom.So
Afterwards, throw in net cage and use 20g/m3The green watermifoil of the pasture and water that copper sulfate was sterilized, wherein powder accounts for 2/3, and water peanut accounts for 1/3.
In the date that late May is fine, the local Monopterus albus (Zuiew) fish wild seed of the bouncing sterilized is invested in greatly
In canopy net cage, 0.3g/m of 7 days full pool spilling heads before seed input3Povidone iodine, seed size is 60 tails/kg, and seed is close
Spend for 2kg/m2, seed throw in after 0.4g/m of full pool spilling head simultaneously3Removing toxic substances stress spirit.After hungry 3 days of Monopterus albus (Zuiew) seed, start
Quantity according to Monopterus albus (Zuiew) body weight 2% feeds mixed feed, and in mixed feed, fresh green grass or young crops Lumbricuss account for 90%, fish slurry 10%, daily throws
Feed once.According to Monopterus albus (Zuiew) food situation, progressively feeding volume is increased by 7% for Monopterus albus (Zuiew) body weight.Then fresh green grass or young crops Lumbricuss, frost
Blue or green Lumbricuss gradually reduce according to 10% ratio every time, and fish slurry is stepped up according to 10% ratio every time, suitably increase mixed feed
Ratio, finally fresh green grass or young crops Lumbricuss 10%, fish slurry 80%, mixed feed 10%.It is substantially finished opening of Monopterus albus (Zuiew) seed through 25 days
Mouth work.In the date that late June is fine, the Monopterus albus (Zuiew) seed of opening is moved on to after sterilization the net cage outside booth,
And continue to tame and docile food, enter conventional cage culture and produce.25 day time Monopterus albus (Zuiew) seed aperture opening ratio is 85%.
Embodiment 2
Enforcement place：Senior Residents in Fengxian District of Shanghai Zhuan Hang town.The enforcement time：In May, 2014-June.Put in order in hot house
Tu Chi on 0.35 millimeter of layer overlay thickness high density polyethylene (HDPE) antiseepage film, each no native pool area 300m2, high 120cm,
At the bottom of pond is an inclined-plane, lowest part 20cm lower than highest point, and arranges discharge outlet in lowest part.No tied with polyethylene at the beginning of 5 months
Section mesh sheet is sewn into uncovered net cage, each net cage 2m × 2m × 1m, mesh 8 mesh, in the piling of pond surrounding, No. 10 iron wires is fixed
In stake, then net cage is hung on iron wire, inject free of contamination river, depth of water 100cm.Net cage is single, net cage spacing 0.5m
Left and right, away from the bottom of pond 50cm, above water 50cm, underwater portion 50cm, each no Tu Chi hangs 50 net cages for net cage bottom.So
Afterwards, throw in net cage and use 20g/m3The green watermifoil of the pasture and water that copper sulfate was sterilized, wherein powder accounts for 1/2, and water peanut accounts for 1/2.
In the date that early June is fine, the local Monopterus albus (Zuiew) fish wild seed of the bouncing sterilized is invested in greatly
In canopy net cage, 0.3g/m of 5 days full pool spilling heads before seed input3Povidone iodine, seed size is 50 tails/kg, and seed is close
Spend for 1.5kg/m2, seed throw in after 0.4g/m of full pool spilling head simultaneously3Removing toxic substances stress spirit.After hungry 4 days of Monopterus albus (Zuiew) seed, open
Begin to feed mixed feed according to the quantity of Monopterus albus (Zuiew) body weight 2%, freeze blue or green Lumbricuss in mixed feed and account for 90%, fish slurry 10%, daily
Feed once.According to Monopterus albus (Zuiew) food situation, progressively feeding volume is increased by 6% for Monopterus albus (Zuiew) body weight.Then freeze blue or green Lumbricuss according to
10% ratio gradually reduces every time, and fish slurry is stepped up according to 10% ratio every time, suitably increases mixed feed ratio, last ice
Freeze blue or green Lumbricuss 10%, fish slurry 80%, mixed feed 10%.It is substantially finished the open-work of Monopterus albus (Zuiew) seed through 23 days.In July
On the just fine date, the Monopterus albus (Zuiew) seed of opening is moved on to after sterilization the net cage outside booth, and continue to tame and docile food, enter
The cage culture entering routine produces.23 day time Monopterus albus (Zuiew) seed aperture opening ratio is about 82%.
Claims (1)
1. a kind of method improving Monopterus albus (Zuiew) aperture opening ratio is it is characterised in that the method comprises the steps：
Hang net cage in the antiseepage film soil-less breeding pond in booth, and throw in pasture and water in net cage, treat that pasture and water grow 20-30 days
Afterwards, Monopterus albus (Zuiew) fish wild seed is put into net cage, feed Monopterus albus (Zuiew) food, allow Monopterus albus (Zuiew) opening in time, by the Monopterus albus (Zuiew) Seedling of opening after 15-25 days
Plant the net cage moving on to outside booth and carry out conventional cultivation；
Wherein in booth, the area in antiseepage film soil-less breeding pond is 100-300m2, high 100-120cm；
The long 2-6m of net cage of hanging, wide 2-4m, high 100cm, mesh 5-20 mesh in soil-less breeding pond；
The pasture and water thrown in net cage are the green watermifoil of powder and water peanut, and wherein the area of the green watermifoil of powder is 1/2-2/3, water peanut
Area account for 1/3-1/2.
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| CN201410719627.2A CN104488772B (en) | 2014-12-01 | 2014-12-01 | Method for improving aperture opening ratio of ricefield eels |
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| CN104488772B true CN104488772B (en) | 2017-02-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106359191A (en) * | 2016-08-31 | 2017-02-01 | 苏州善道农业科技有限公司 | Soilless propagation method of monopterus albus Zuiew |
| CN106719121B (en) * | 2016-11-16 | 2020-08-04 | 上海市农业科学院 | Feeding method for improving survival rate of young finless eels |
| CN107410106B (en) * | 2017-04-11 | 2023-11-17 | 扬州市益善农业科技有限公司 | Finless eel breeding tube, finless eel breeding device and finless eel breeding method |
| CN112602650A (en) * | 2020-12-11 | 2021-04-06 | 江苏省农业科学院宿迁农科所 | Water circulation layered breeding system and breeding method for finless eels |
Citations (5)
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|---|---|---|---|---|
| CN101720699A (en) * | 2009-11-30 | 2010-06-09 | 河南省科学院地理研究所 | Building method of ricefield eel ecological culture pond |
| CN103461225A (en) * | 2013-07-30 | 2013-12-25 | 仙桃市强农水产专业合作社 | Artificial bionic method for breeding rice field eel fries in net cages |
| CN103583437A (en) * | 2013-11-18 | 2014-02-19 | 仙桃市泉明水产养殖有限责任公司 | Eel reproduction net cage and eel reproduction method |
| CN103621431A (en) * | 2012-08-21 | 2014-03-12 | 新沂市佳成生态养殖有限公司 | Method for breeding eels |
| CN104067961A (en) * | 2014-06-07 | 2014-10-01 | 长江大学 | Directional breeding method of female parents of finless eel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013074844A (en) * | 2011-09-30 | 2013-04-25 | Akita Denen Dojou Kk | Culture facility and culture method for loaches |
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2014
- 2014-12-01 CN CN201410719627.2A patent/CN104488772B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720699A (en) * | 2009-11-30 | 2010-06-09 | 河南省科学院地理研究所 | Building method of ricefield eel ecological culture pond |
| CN103621431A (en) * | 2012-08-21 | 2014-03-12 | 新沂市佳成生态养殖有限公司 | Method for breeding eels |
| CN103461225A (en) * | 2013-07-30 | 2013-12-25 | 仙桃市强农水产专业合作社 | Artificial bionic method for breeding rice field eel fries in net cages |
| CN103583437A (en) * | 2013-11-18 | 2014-02-19 | 仙桃市泉明水产养殖有限责任公司 | Eel reproduction net cage and eel reproduction method |
| CN104067961A (en) * | 2014-06-07 | 2014-10-01 | 长江大学 | Directional breeding method of female parents of finless eel |
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