CN109699534A - A kind of method of loach fry cultivation - Google Patents
A kind of method of loach fry cultivation Download PDFInfo
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- CN109699534A CN109699534A CN201910153228.7A CN201910153228A CN109699534A CN 109699534 A CN109699534 A CN 109699534A CN 201910153228 A CN201910153228 A CN 201910153228A CN 109699534 A CN109699534 A CN 109699534A
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- loach
- water
- weeping willow
- willow branch
- tail
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of methods of loach fry cultivation, and this method comprises the following steps: (1) injecting free of contamination water in soil-less breeding pond in greenhouse, be put into weeping willow branch；(2) weeping willow branch is put into after 20-30 days, launches loach water flower, and next day launches swamp eel.The method for proposing loach fry cultivation of the invention has the characteristics that materials are convenient, regulating and controlling water quality is easy, fishing is convenient, loach pest and disease damage is few and weed survival rate is high.
Description
Technical field
The invention belongs to technical field of aquaculture, more particularly to a kind of method of loach fry cultivation.
Background technique
Loach (Misgurnus anguillicaudatus) artificial propagation has biggish development space.Currently, loach
Juvenile stage, the technologies such as hasten parturition, be fertilized, hatching it is highly developed, many breeding farms large batch of production and can mention
For loach water flower (body is long less than 1cm).But intestinal respiration is transferred to by gill breathing since the loach seedlings of the long 1-3cm of body itself are in
Transition tricky time, environmental condition is required it is harsh, parent's mass, hatching pattern, oxygenation method, open-mouthed bait, cultivation density,
The influence factors such as water quality, pest and disease damage, water plant type are too many, it is difficult to system control, very prominent, the dead loach of " very little piece is dead " problem
Seedling serious pollution breeding water body again, causes loach seedlings survival rate extremely low, the death rate be up to 50%-80% in addition 100% (Zhang Xiaxia,
In loach nursery the reason of " very little piece is dead " and solution, scientific research aquatic product fishery, 2016 the 7th phases (the second half of the month)).Therefore, exist
Loach fry survival rate is urgently improved in production using new technology.
Summary of the invention
The present invention provides a kind of methods of loach fry cultivation, and this method comprises the following steps:
(1) free of contamination water is injected in soil-less breeding pond in greenhouse, is put into weeping willow branch (Salix babylonica)；
(2) weeping willow branch is put into after 20-30 days, launches loach water flower, and next day launches swamp eel；
Then conventional cultivation can be carried out.
Wherein, the area in soil-less breeding pond is 10-100m in step (1)2, the height for injecting pollution-free water is 20-50 lis
Rice；Weeping willow branch is removal willow leaf, and the length of every weeping willow branch is 20-50 centimetres, 1-5 centimetres of diameter, all weeping willow branches
The area that item covers aquaculture pond is 10-30%.
Wherein, loach water flower is to hatch the time 3-6 days in step (2), and spray density is 2000-5000 tail/m2, swamp eel
Specification is 20-30 grams/fish, and 10,000 tail loach water flowers of every dispensing match 1-2 tail swamp eel.
Specifically, the method for loach fry of the invention cultivation, includes the following steps:
(1) 10-100m in greenhouse2Antiseepage film soil-less breeding pond in free of contamination motor-pumped well water of the injection Jing Guo exposure
(or river water), the height of motor-pumped well water (or river water) are 20-50 centimetres, are put into the weeping willow branch of removal willow leaf, weeping willow branch length
20-50 centimetres, 1-5 centimetres of diameter, the area for covering aquaculture pond is 10-30%；
(2) weeping willow branch is put into after 20-30 days, and weeping willow branch, which sends out roots, is, launches the loach water hatched the time 3-6 days
Flower, spray density are 2000-5000 tail/m2, the healthy swamp eel that next day dispensing specification is 20-30 grams/fish, 10,000 tail mud of every dispensing
Loach spray matches 1-2 tail swamp eel.
Wherein, the specification and processing in soil-less breeding pond:
Put in order in greenhouse without the high density polyethylene (HDPE) antiseepage film for spreading 0.3-1 millimeters of a layer thickness on Tu Chi, often
It is a without native pool area be 10-100m2, a height of 80-100cm, bottom of pond is an inclined-plane, and lowest part is 5-10cm lower than highest point, and
In lowest part, discharge outlet is set；
Launch weeping willow branch: free of contamination motor-pumped well water (or river water) of the injection Jing Guo exposure in soil-less breeding pond, water
Height be 20-50 centimetres, be put into removal willow leaf weeping willow branch, 20-50 centimetres of the length of every weeping willow branch, 1-5 lis of diameter
Rice, branch both ends is fixed in 2-5 centimetres of diameter of small piece of foam and is allowed to float on the water surface, and branch covers aquaculture pond
Area is no more than 30% (being preferred with 10-30%)；
It launches the swamp eel of health: being put into weeping willow branch after 20-30 days (weeping willow red root system is grown), time 3- is hatched in dispensing
6 days loach water flowers, spray density are 2000-5000 tail/m2, launching loach water flower next day i.e. dispensing specification is 20-30 grams/fish
Healthy swamp eel, according to 10,000 tail loach water flowers of every dispensing match 1-2 tail swamp eel.
Grow up to since launching loach water flower to seed, entire culturing time is 25-30 days, and subsequent cultural method is the same as conventional
Method.
The principle of the present invention and feature are as follows:
General water plant is replaced using the weeping willow branch for growing root system, provides diversified ecological ring for inhabiting for loach seedlings
Border, avoids general water plant such as water hyacinth, water lettuce etc. and grows too fast and root system and wither and fall and be easy to cause secondary pollution of water too much
Etc. drawbacks, and the secondary metabolites such as salicylic acid of weeping willow branch secretion have one to prevention and treatment loach saprolegniasis, ichthyophthirius etc.
Fixed effect；
The swamp eel that bouncing is launched in aquaculture pond effectively removes body using swamp eel to the coercion of ingesting of loach seedlings
Weak invalid loach seedlings avoid dead loach seedlings to the pollution of water body and the propagation of pest and disease damage, survive to significantly improve loach seedlings
Rate.Loach seedlings grow to the long 3cm of body or so survival rate 30% or more, and loach seedlings survival rate is generally 20% or so in the prior art.
There is the method for loach fry cultivation of the invention convenient, regulating and controlling water quality of drawing materials to be easy, fishing is convenient, loach is sick
The features such as insect pest is few and weed survival rate is high.Entire cultivating process uses soil-less breeding, and not too many root system Litter-fall will hang down
It is convenient that withy item draws in the net after picking, and draining is thoroughly clean, and loach fry fishing harvest is very easy to, and saves labour costs.
Specific embodiment
Below the technical scheme of the invention is illustrated by a specific example, but the scope of the present invention is not limited thereto:
Embodiment 1
Enforcement place: the Senior Residents in Fengxian District of Shanghai town Zhuan Hang.Implement the time: June in April, 2016-
Soil-less breeding pond specification and processing: 0.35 millimeter of a layer thickness highly dense is spread on the Tu Chi put in order in greenhouse
Polyethylene antiseepage film is spent, it is each without native pool area 20m2, high 80cm, bottom of pond is an inclined-plane, and lowest part is 6cm lower than highest point, and
And discharge outlet is set in lowest part；
Launch weeping willow branch: free of contamination motor-pumped well water (or river water) of the injection Jing Guo exposure in soil-less breeding pond, water are high
Degree be 30 centimetres, be put into removal willow leaf weeping willow branch, 30-40 centimetres of weeping willow branch length, 3-5 centimetres of diameter, by branch two
End, which is separately fixed in 3 centimetres of diameter of small piece of foam, is allowed to float on the water surface, and the area of branch covering aquaculture pond accounts for
25%；
Launch the swamp eel of health: after being put into weeping willow branch 20 days, weeping willow red root system has been grown, and dispensing hatches the time 3 days
Loach water flower, spray density be 3000 tails/m2, each aquaculture pond adds up to 60,000 tail loach water flowers, launches loach water flower next day and is
Launch the healthy swamp eel that specification is 20-30 grams/fish.
Since launching loach water flower, grow up to seed, entire culturing time is 30 days, and subsequent loach breeding method can adopt
With conventional method (such as Ling Qufei chief editor, " loach efficiently cultivates technology of getting rich and example ", Chinese agriculture publishing house, 2016:52-
54)。
Each 60,000 tail loach water flower of soil-less breeding pond, 2.2 ten thousand tail of final production loach seedlings, the long average 2.6cm of every urosome, body
The equal 0.23g of galassing.During above-mentioned production, loach fry survival rate is 36.67%.
Claims (3)
1. a kind of method of loach fry cultivation, it is characterised in that this method comprises the following steps:
(1) free of contamination water is injected in soil-less breeding pond in greenhouse, is put into weeping willow branch；
(2) weeping willow branch is put into after 20-30 days, launches loach water flower, and next day launches swamp eel.
2. the method according to claim 1, wherein the area in soil-less breeding pond is 10-100m in step (1)2,
The height for injecting pollution-free water is 20-50 centimetres；Weeping willow branch is removal willow leaf, and the length of every weeping willow branch is 20-50
Centimetre, 1-5 centimetres of diameter, the area of all weeping willow branch covering aquaculture ponds is 10-30%.
3. the method according to claim 1, wherein loach water flower is to hatch the time 3-6 days in step (2),
Spray density is 2000-5000 tail/m2, swamp eel is 20-30 grams/fish, and 10,000 tail loach water flowers of every dispensing match 1-2 tail swamp eel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153228.7A CN109699534B (en) | 2019-02-28 | 2019-02-28 | Loach fry breeding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153228.7A CN109699534B (en) | 2019-02-28 | 2019-02-28 | Loach fry breeding method |
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| Publication Number | Publication Date |
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| CN109699534A true CN109699534A (en) | 2019-05-03 |
| CN109699534B CN109699534B (en) | 2021-11-12 |
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| CN201910153228.7A Active CN109699534B (en) | 2019-02-28 | 2019-02-28 | Loach fry breeding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946984A (en) * | 2020-01-09 | 2020-04-03 | 柳州市渔业技术推广站 | Medicament for treating fresh water ichthyophthiriasis, preparation method and use method |
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 |
| CN104472402A (en) * | 2014-11-17 | 2015-04-01 | 上海市农业科学院 | Two-stage loach fry soilless culture method |
| CN106538424A (en) * | 2016-10-24 | 2017-03-29 | 界首市众建家庭农场 | A kind of Rhizoma Nelumbiniss and Misgurni anguillicaudati, the stereoscopic cultivation method of Monopterus albus (Zuiew) |
| CN106614132A (en) * | 2016-12-01 | 2017-05-10 | 蚌埠市渔歌农业科技有限公司 | Mixed aquaculture method of loaches and rice field eels |
| CN109197696A (en) * | 2018-10-29 | 2019-01-15 | 王欣 | A kind of three-dimensional polyculture method of swamp eel loach |
-
2019
- 2019-02-28 CN CN201910153228.7A patent/CN109699534B/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 |
| CN104472402A (en) * | 2014-11-17 | 2015-04-01 | 上海市农业科学院 | Two-stage loach fry soilless culture method |
| CN106538424A (en) * | 2016-10-24 | 2017-03-29 | 界首市众建家庭农场 | A kind of Rhizoma Nelumbiniss and Misgurni anguillicaudati, the stereoscopic cultivation method of Monopterus albus (Zuiew) |
| CN106614132A (en) * | 2016-12-01 | 2017-05-10 | 蚌埠市渔歌农业科技有限公司 | Mixed aquaculture method of loaches and rice field eels |
| CN109197696A (en) * | 2018-10-29 | 2019-01-15 | 王欣 | A kind of three-dimensional polyculture method of swamp eel loach |
Non-Patent Citations (1)
| Title |
|---|
| 徐在宽等: "《泥鳅高效养殖100例》", 31 May 2015, 科学技术文献出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946984A (en) * | 2020-01-09 | 2020-04-03 | 柳州市渔业技术推广站 | Medicament for treating fresh water ichthyophthiriasis, preparation method and use method |
| CN110946984B (en) * | 2020-01-09 | 2022-04-01 | 柳州市渔业技术推广站 | Medicament for treating fresh water ichthyophthiriasis, preparation method and use method |
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