CN104488772A - 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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- CN104488772A CN104488772A CN201410719627.2A CN201410719627A CN104488772A CN 104488772 A CN104488772 A CN 104488772A CN 201410719627 A CN201410719627 A CN 201410719627A CN 104488772 A CN104488772 A CN 104488772A
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- net cage
- swamp eel
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- ricefield
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 241000157885 Synbranchidae Species 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 235000013305 food Nutrition 0.000 claims abstract description 19
- 241000646357 Monopterus cuchia Species 0.000 claims description 72
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 9
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 9
- 235000018262 Arachis monticola Nutrition 0.000 claims description 9
- 235000020232 peanut Nutrition 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000009395 breeding Methods 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 6
- 241001553178 Arachis glabrata Species 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 241001208462 Ophisternon bengalense Species 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 241000361919 Metaphire sieboldi Species 0.000 description 19
- 241000251468 Actinopterygii Species 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000002002 slurry Substances 0.000 description 12
- 230000037396 body weight Effects 0.000 description 8
- 230000008014 freezing Effects 0.000 description 8
- 238000007710 freezing Methods 0.000 description 8
- 244000105624 Arachis hypogaea Species 0.000 description 7
- 229920001903 high density polyethylene Polymers 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000013505 freshwater Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000003440 toxic substance Substances 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 244000026873 Alternanthera philoxeroides Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000061667 Myriophyllum aquaticum Species 0.000 description 1
- 235000004234 Myriophyllum brasiliense Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Classifications
-
- 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
-
- 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
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Farming Of Fish And Shellfish (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
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, relate to a kind of method improving swamp eel aperture opening ratio specifically.
Background technology
Swamp eel has very high nutrition and medical value, and be one of Traditional Agricultural product that supply falls short of demand few in number, it is propagated artificially and has a extensive future.At present, because swamp eel biological control technology does not have maturation, the seed of culture of swamp eel is substantially from wild resource.Swamp eel is under wild environment, and battalion's cave life of living scattered, in hole, temperature is relatively stable, and water quality environment is relatively good, and its food species is rich and varied.But propagating artificially under condition, battalion's hole life of flip-flop swamp eel and life of living scattered, water temperature change relatively battalion hole life wants much violent, water quality environment also has a greater change, Changes in weather frequent (particularly continuous print is overcast and rainy), add fish for, support temporarily, transport, classification, nowel, pasture and water are thrown in, water body is safeguarded, tame and docile food, endo-medicine, look into case and cleaning food platform etc., all easily make swamp eel generation stress reaction, stress a manifest symptom be exactly not opening eat food.Swamp eel aperture opening ratio is low, not only has a strong impact on swamp eel growth, also has a strong impact on eel shoot survival percent, increase medication expense, affect fanning economics, becomes a great problem of puzzlement culture of swamp eel industry.
Aborning, experienced raiser can fish for, support temporarily, transport, classification, nowel, pasture and water are thrown in, water body is safeguarded, tame and docile food, endo-medicine, look into each link such as case and cleaning food platform and implement scientific management, improve swamp eel aperture opening ratio as much as possible, obtain certain economic benefit, but do not break away from the difficult situation of living at the mercy of the elements, if it is overcast and rainy to meet continuous print after the cartonning of eel seedling, then cannot better improve swamp eel aperture opening ratio, and due to culture of swamp eel time short (about 3 months), once opening is bad, just cannot adopt remedial measures later.Therefore, how fundamentally improving swamp eel aperture opening ratio, break away from overcast and rainy impact, is the problem urgently needing aborning to solve.
Summary of the invention
The object of the present invention is to provide a kind of method improving swamp eel aperture opening ratio, the method comprises the steps:
Net cage is hung in antiseepage film soil-less breeding pond in booth, and pasture and water are thrown in net cage, until pasture and water growth after 20-30 days, wild for swamp eel seed is put into net cage, to throw something and feed swamp eel food, allow swamp eel opening in time, after 15-25 days, the net cage that the swamp eel seed of opening moves on to outside booth is carried out conventional cultivation.
Wherein in booth, the area in antiseepage film soil-less breeding pond is 100-300m
2, high 100-120cm;
The long 2-6m of the net cage hung in soil-less breeding pond, wide 2-4m, high 100cm, mesh 5-20 order;
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, and the area of water peanut accounts for 1/3-1/2.
Throw something and feed swamp eel food time, just start to throw something and feed mixed feed according to the quantity of swamp eel body weight 2%, blue or green earthworm fresh in mixed feed, freezing blue or green earthworm or fresh water silk earthworm account for 90%, and fish slurry 10%, progressively increases to the 6%-8% of swamp eel body weight by feeding volume.
Specifically, a kind of method improving swamp eel aperture opening ratio provided by the invention, all processes is as follows:
Hanging net cage and input pasture and water in booth: the high density polyethylene (HDPE) antiseepage film without layer overlay thickness 0.2-1 millimeter on Tu Chi put in order in plastic tunnel, each without native pool area 100-300m
2, high 100-120cm, Di Weiyi inclined-plane, pond, lowest part 10-20cm lower than highest point, and discharge outlet is set at lowest part.Uncovered net cage is sewn into polyethylene without tubercle mesh sheet in the 4-5 month, the long 2-6m of each net cage, wide 2-4m, high 100cm, mesh 5-20 order, drives piles in Wu Tuchi surrounding, 7-12 iron wire is fixed in stake, again net cage is hung on iron wire, inject free of contamination river, running water, well water or reservoir water, depth of water 80-100cm.Net cage is arranged side by side with single row or multiple rows, net cage about spacing 0.5m, 30-50cm, above water 50cm, underwater portion 50cm at the bottom of distance pond bottom net cage.Then, input 20g/m in net cage
3the pasture and water that copper sulphate was sterilized, pasture and water are reasonably combined, and wherein the green watermifoil area of powder accounts for (Myriophyllum aquaticum) 1/2-2/3, and water peanut (Alternanthera philoxeroides) area accounts for 1/3-1/2.
Swamp eel seed opening in booth: in late May-early June between fine date, the wild seed of bouncing swamp eel of sterilizing is invested in booth net cage, seed throw in before 5-7 days full pool spilling heads 0.3g/m
3povidone iodine, seed size is 40-80 tail/kg, and seed density is 1-2kg/m
2, seed throws in rear full pool spilling head 0.4g/m simultaneously
3removing toxic substances stress spirit.Swamp eel seed is after hungry 3-4 days, starts to throw something and feed mixed feed according to the quantity of swamp eel body weight 2%, and blue or green earthworm fresh in mixed feed, freezing blue or green earthworm or fresh water silk earthworm account for 90%, and fish slurry 10%, every day throws something and feeds once.According to swamp eel food situation, progressively feeding volume is increased to the 6%-8% of swamp eel body weight.Then fresh blue or green earthworm, freezing blue or green earthworm or fresh water silk earthworm gradually reduce according to each 10% ratio, fish slurry progressively increases according to each 10% ratio, suitable increase swamp eel special compound feed, finally reach fresh blue or green earthworm, freezing blue or green earthworm or fresh water silk earthworm 10% even less, fish slurry 80%, manufactured feed 10%.The general open-work completing swamp eel seed after 15-25 days.
Swamp eel seed moves into the net cage outside booth: in the culture of swamp eel normal seed release time namely by the end of June-early July, select the fine date, the swamp eel seed of opening is moved on to after sterilization the net cage outside booth, and continue to tame and docile food, namely fish slurry gradually reduces according to each 10% ratio, and manufactured feed progressively increases according to each 10% ratio, finally reaches fish slurry 50%-60%, manufactured feed 40%-50%, just enters conventional cage culture later and produces.
The cultivation of swamp eel booth and cage culture combine by the present invention, swamp eel seed is put in a suitable place to breed and eats food at plastic tunnel inner opening, it is then in good time that by swamp eel seed, the net cage proceeded to outside booth carries out normal management, thus break away from overcast and rainy impact, fundamentally improve swamp eel aperture opening ratio, there is the features such as easy to operate, wide accommodation, swamp eel fast growth and economic benefit are high.
The present invention compared with prior art has the following advantages:
1, the wild seed of swamp eel cultivates opening in plastic tunnel, broken away from the overcast and rainy impact waiting adverse weather, and in booth, water temperature is relatively high, adds that cultivation relatively early (the 5-6 month), swamp eel seed eats food under condition fewer in the wild, than being easier to opening food after entering booth.Therefore, swamp eel seed aperture opening ratio of the present invention is higher than prior art, and generally more than 80%, and the culture of swamp eel aperture opening ratio of routine generally only has about 60%.
2, pasture and water of the present invention are reasonably combined, the water peanut of eel supported by existing general net cage, there is again the green watermifoil of powder, water peanut well developed root system, has effect of certain pre-preventing disease and pest, but easily suffers insect pest, and the green watermifoil of powder turns green relatively early, fast growth, strong to water body purification ability, do not allow to subject to insect pest.Therefore, these two kinds of pasture and water are reasonably combined, and pasture and water grow densely, and water quality easily regulates and controls, and swamp eel weed survival rate is high, is more prone to opening.
3, the culture of swamp eel normal seed release time by the end of June-early July, the present invention in late May-early June throws in swamp eel seed in booth, culturing time relatively early, and water temperature is relatively high in booth, early, aperture opening ratio is higher, and culturing time is longer for swamp eel opening, swamp eel weightening finish multiple is high, and economic benefit is obvious.
4, wide accommodation, can both adopt the technology of the present invention to improve swamp eel seed aperture opening ratio in the central and west regions that China's mean temperature of air is lower.
Embodiment
With specific embodiment, technical scheme of the present invention is described below, but protection scope of the present invention is not limited to embodiment 1
Implement place: Suzhou, Jiangsu Province Changshu City.The enforcement time: in April, 2013-June.The high density polyethylene (HDPE) antiseepage film without layer overlay thickness on Tu Chi 0.32 millimeter put in order in plastic tunnel, each without native pool area 200m
2, high 100cm, Di Weiyi inclined-plane, pond, lowest part 15cm lower than highest point, and discharge outlet is set at lowest part.At the beginning of 4 months, be sewn into uncovered net cage with polyethylene without tubercle mesh sheet, each net cage 3m × 2m × 1m, mesh 10 order, in the piling of pond surrounding, No. 12 iron wires be fixed 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 about spacing 0.5m, apart from 30cm, above water 50cm, underwater portion 50cm at the bottom of pond bottom net cage, eachly hangs 24 net cages without Tu Chi.Then, input 20g/m in net cage
3the pasture and water that copper sulphate was sterilized, wherein the green watermifoil of powder accounts for 2/3, and water peanut accounts for 1/3.
In the date that late May is fine, the wild seed of local swamp eel of the bouncing of sterilizing is invested in booth net cage, 7 days full pool spilling heads 0.3g/m before seed input
3povidone iodine, seed size is 60 tails/kg, and seed density is 2kg/m
2, seed throws in rear full pool spilling head 0.4g/m simultaneously
3removing toxic substances stress spirit.Swamp eel seed is after hungry 3 days, starts to throw something and feed mixed feed according to the quantity of swamp eel body weight 2%, and in mixed feed, fresh blue or green earthworm accounts for 90%, and fish slurry 10%, every day throws something and feeds once.According to swamp eel food situation, progressively feeding volume is increased to 7% of swamp eel body weight.Then fresh blue or green earthworm, freezing blue or green earthworm gradually reduce according to each 10% ratio, and fish slurry progressively increases according to each 10% ratio, suitably increases manufactured feed ratio, last fresh blue or green earthworm 10%, fish slurry 80%, manufactured feed 10%.Substantially the open-work of swamp eel seed is completed through 25 days.In the date that late June is fine, the swamp eel 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 swamp eel seed aperture opening ratio is 85%.
Embodiment 2
Implement place: Zhuan Hang town, Senior Residents in Fengxian District of Shanghai.The enforcement time: in May, 2014-June.The high density polyethylene (HDPE) antiseepage film of layer overlay thickness 0.35 millimeter on the Tu Chi put in order in plastic tunnel, each without native pool area 300m
2, high 120cm, Di Weiyi inclined-plane, pond, lowest part 20cm lower than highest point, and discharge outlet is set at lowest part.At the beginning of 5 months, be sewn into uncovered net cage with polyethylene without tubercle mesh sheet, each net cage 2m × 2m × 1m, mesh 8 order, in the piling of pond surrounding, No. 10 iron wires be 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 about spacing 0.5m, apart from 50cm, above water 50cm, underwater portion 50cm at the bottom of pond bottom net cage, eachly hangs 50 net cages without Tu Chi.Then, input 20g/m in net cage
3the pasture and water that copper sulphate was sterilized, wherein the green watermifoil of powder accounts for 1/2, and water peanut accounts for 1/2.
In the date that early June is fine, the wild seed of local swamp eel of the bouncing of sterilizing is invested in booth net cage, 5 days full pool spilling heads 0.3g/m before seed input
3povidone iodine, seed size is 50 tails/kg, and seed density is 1.5kg/m
2, seed throws in rear full pool spilling head 0.4g/m simultaneously
3removing toxic substances stress spirit.Swamp eel seed is after hungry 4 days, starts to throw something and feed mixed feed according to the quantity of swamp eel body weight 2%, and in mixed feed, freezing blue or green earthworm accounts for 90%, and fish slurry 10%, every day throws something and feeds once.According to swamp eel food situation, progressively feeding volume is increased to 6% of swamp eel body weight.Then freezing blue or green earthworm gradually reduces according to each 10% ratio, and fish slurry progressively increases according to each 10% ratio, suitably increases manufactured feed ratio, last freezing blue or green earthworm 10%, fish slurry 80%, manufactured feed 10%.Substantially the open-work of swamp eel seed is completed through 23 days.On the date fine at the beginning of 7 months, the swamp eel 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.23 day time swamp eel seed aperture opening ratio is approximately 82%.
Claims (2)
1. improve a method for swamp eel aperture opening ratio, it is characterized in that the method comprises the steps:
Net cage is hung in antiseepage film soil-less breeding pond in booth, and pasture and water are thrown in net cage, until pasture and water growth after 20-30 days, wild for swamp eel seed is put into net cage, to throw something and feed swamp eel food, allow swamp eel opening in time, after 15-25 days, the net cage that the swamp eel seed of opening moves on to outside booth is carried out conventional cultivation.
2. the method for raising swamp eel aperture opening ratio according to claim 1, wherein in booth, the area in antiseepage film soil-less breeding pond is 100-300m
2, high 100-120cm;
The long 2-6m of the net cage hung in soil-less breeding pond, wide 2-4m, high 100cm, mesh 5-20 order;
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, and the area of water peanut accounts for 1/3-1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719627.2A CN104488772B (en) | 2014-12-01 | 2014-12-01 | Method for improving aperture opening ratio of ricefield eels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719627.2A CN104488772B (en) | 2014-12-01 | 2014-12-01 | Method for improving aperture opening ratio of ricefield eels |
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| Publication Number | Publication Date |
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| CN104488772A true CN104488772A (en) | 2015-04-08 |
| CN104488772B CN104488772B (en) | 2017-02-22 |
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Cited By (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 |
| CN106719121A (en) * | 2016-11-16 | 2017-05-31 | 上海市农业科学院 | A kind of feeding method for improving ricefield eel postlarva survival rate |
| CN107410106A (en) * | 2017-04-11 | 2017-12-01 | 扬州市益善农业科技有限公司 | A kind of swamp eel breeding pipe, swamp eel equipment for breeding and swamp eel propagation 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 |
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| 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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| 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 |
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Cited By (6)
| 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 |
| CN106719121A (en) * | 2016-11-16 | 2017-05-31 | 上海市农业科学院 | A kind of feeding method for improving ricefield eel postlarva survival rate |
| 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 |
| CN107410106A (en) * | 2017-04-11 | 2017-12-01 | 扬州市益善农业科技有限公司 | A kind of swamp eel breeding pipe, swamp eel equipment for breeding and swamp eel propagation method |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104488772B (en) | 2017-02-22 |
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