CN108739535A - A kind of artificial fecundation method of Odontobulis mpotamophila - Google Patents
A kind of artificial fecundation method of Odontobulis mpotamophila Download PDFInfo
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- CN108739535A CN108739535A CN201810427506.9A CN201810427506A CN108739535A CN 108739535 A CN108739535 A CN 108739535A CN 201810427506 A CN201810427506 A CN 201810427506A CN 108739535 A CN108739535 A CN 108739535A
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- Prior art keywords
- spawning
- artificial
- pond
- injection
- fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals 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
- 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
Abstract
The invention discloses a kind of artificial fecundation methods of Odontobulis mpotamophila, include the following steps:A, outdoor aquaculture pond parent fish rearing;B, spawning pond is set;C, artificial induced spawning;D, artificial incubation, the artificial fecundation method that the present invention uses is at low cost, is improving the yield for enough improving Odontobutis obscura, moreover it is possible to improve the immunity of Odontobutis obscura.
Description
Technical field
The present invention relates to fishery breeding field, specially a kind of artificial fecundation method of Odontobulis mpotamophila.
Background technology
Odontobulis mpotamophila is widely distributed in each water system such as China middle and lower reach of Yangtze River, Huaihe River, the Qiantang River, the Min River and Zhujiang River, is
Dwell at small-sized fresh water bottom predacious fish in China.In recent years, since the living environment of Odontobulis mpotamophila constantly deteriorates, egg-laying environment
It goes to pot repeatly, wild resource drastically fails, and trace has been difficult to find in some areas.Currently, the fish supplies market mainly by fishing,
But far from meet demand.Some domestic mechanisms expand related grind to unit to its ecology, physiology and artificial culture technology
Study carefully, and obtains some impressive progresses.
Odontobulis mpotamophila natural propagation season is to mid-June at the beginning of 4 months, and wherein mid-April to late May is that breeding is contained
Phase belongs to non-synchronous type oviposition fish in batches.The artificial propagation of Odontobulis mpotamophila mostly uses greatly the side of pond ecological natural spawning
Method collects the hatching of fish nest after oviposition, but artificially collects the invasion that the hatching of fish nest is subject to the fungies such as water mold, and hatching rate is low, fish
Shoot survival percent is relatively low.Also there are some areas that there is the habit of shield nest according to Odontobulis mpotamophila male parent population, before its mating period
Parent population is harvested, is hastened parturition after being put into spawning pond, carries out natural spawning, male parent population protects nest hatching to remove dead ovum in time, and incites
Dynamic tail fin is fertilized eggs oxygenation, to reach higher hatching rate.But parent population shield nest carries out hatching and can occupy more hatching and set
Standby, this just determines the limitation of production technology, is hardly formed mass production, if Odontobulis mpotamophila breeding can be controlled, will incubate
Change equipment to be used for multiple times, seedling cost will substantially reduce.
Invention content
The purpose of the present invention is to provide a kind of artificial fecundation methods of Odontobulis mpotamophila, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions:A kind of artificial fecundation method of Odontobulis mpotamophila, packet
Include following steps:
A, outdoor aquaculture pond parent fish rearing:In annual late November to during early December, first by parent population with 3%~5% chlorination
Sodium solution 3~5min of dipping bath, then pond-inputting, control cultivation density is 100kg~200kg/ mus, and feedstuff feeding is with bait fish, shrimp
Based on, feeding volume is controlled 5% or more of parent population total weight, periodically carries out water quality adjustment, and 10~20cm was replaced every 10 days or so
The new water of water total amount, a small amount of lime water of splashing every 20 days carry out disinfection;
B, spawning pond is set:By 12~16cm of diameter, it is 5 that the horizontal area that hangs over of breeding fish nest, which is made, in the pvc pipe of 30~40cm of length
~6 ㎡, for depth to be used as spawning pond in the rectangle cement pit of 0.8m, each spawning pond installs 20 breeding fish nests, and makes
With it is preceding with 20mg/L liquor potassic permanganates impregnate 24 after rinse it is spare;
C, artificial induced spawning:In next year mid or late March, parent population is selected to match 1 with male and female from aquaculture pond:2, which carry out injection, hastens parturition;Note
Sodium chloride solution and drug mixed preparing of the liquid with 0.9% are penetrated, the dosage of injection is per tail 0.3ml~0.5ml, injection site
For pectoral fin base portion abdominal cavity, injection depth 0.3cm;Parent population is put into spawning inducing pool again after injection is good, each spawning inducing pool lays 20 groups
~30 groups, and it is 21 DEG C~26 DEG C to control water temperature;
D, artificial incubation:After Gunther parent fish spawning, laying nest is moved to by spawning pond in dedicated hatchery, control hatching water
Temperature is maintained at 24 DEG C~28 DEG C, apart from water surface 10cm~15cm, and carries out artificial oxygenation, and rejected in time not in hatching process
Fertilized eggs and the ovum that goes mouldy.
Preferably, the sex ration in outdoor aquaculture pond parent fish rearing stage in the step A, parent population is 1:1.5.
Preferably, in the artificial induced spawning stage in the step C, it is similar that the drug is mixed into luteinizing hormone releasing hormone
Object and human chorionic gonadtropin, the every kilogram of 10 μ g of μ g~20 luteotropin releasing hormone d-ala analogs of raun injection, 300IU~
400IU human chorionic gonadtropins, milter dosage halve.
Compared with prior art, the beneficial effects of the invention are as follows:The artificial fecundation method that the present invention uses is at low cost, can
Improve the yield of Odontobulis mpotamophila, moreover it is possible to improve the immunity of Odontobulis mpotamophila;Wherein, the artificial induced spawning step used in the present invention
Suddenly the yield that Odontobulis mpotamophila can be further increased, can promote growth rate.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides the following technical solutions:A kind of artificial fecundation method of Odontobulis mpotamophila, includes the following steps:
A, outdoor aquaculture pond parent fish rearing:In annual late November to during early December, first by parent population with 3%~5% chlorination
Sodium solution 3~5min of dipping bath, then pond-inputting, control cultivation density is 100kg~200kg/ mus, and feedstuff feeding is with bait fish, shrimp
Based on, feeding volume is controlled 5% or more of parent population total weight, periodically carries out water quality adjustment, and 10~20cm was replaced every 10 days or so
The new water of water total amount, a small amount of lime water of splashing every 20 days carry out disinfection;
B, spawning pond is set:By 12~16cm of diameter, it is 5 that the horizontal area that hangs over of breeding fish nest, which is made, in the pvc pipe of 30~40cm of length
~6 ㎡, for depth to be used as spawning pond in the rectangle cement pit of 0.8m, each spawning pond installs 20 breeding fish nests, and makes
With it is preceding with 20mg/L liquor potassic permanganates impregnate 24 after rinse it is spare;
C, artificial induced spawning:In next year mid or late March, parent population is selected to match 1 with male and female from aquaculture pond:2, which carry out injection, hastens parturition;Note
Sodium chloride solution and drug mixed preparing of the liquid with 0.9% are penetrated, the dosage of injection is per tail 0.3ml~0.5ml, injection site
For pectoral fin base portion abdominal cavity, injection depth 0.3cm;Parent population is put into spawning inducing pool again after injection is good, each spawning inducing pool lays 20 groups
~30 groups, and it is 21 DEG C~26 DEG C to control water temperature;
D, artificial incubation:After Gunther parent fish spawning, laying nest is moved to by spawning pond in dedicated hatchery, control hatching water
Temperature is maintained at 24 DEG C~28 DEG C, apart from water surface 10cm~15cm, and carries out artificial oxygenation, and rejected in time not in hatching process
Fertilized eggs and the ovum that goes mouldy.
In the present invention, the sex ration in outdoor aquaculture pond parent fish rearing stage in step A, parent population is 1:1.5.
In addition, in the present invention, in the artificial induced spawning stage in step C, the drug is mixed into luteinizing hormone releasing hormone class
Like object and human chorionic gonadtropin, every kilogram of raun inject the 10 μ g of μ g~20 luteotropin releasing hormone d-ala analogs, 300IU~
400IU human chorionic gonadtropins, milter dosage halve.
In conclusion the artificial fecundation method that the present invention uses is at low cost, the yield of Odontobulis mpotamophila can be improved, moreover it is possible to
Improve the immunity of Odontobulis mpotamophila;Wherein, the artificial induced spawning step used in the present invention can further increase rivers and creeks Sha Tang
The yield of murrel can promote growth rate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of artificial fecundation method of Odontobulis mpotamophila, it is characterised in that:Include the following steps:
A, outdoor aquaculture pond parent fish rearing:In annual late November to during early December, first by parent population with 3%~5% chlorination
Sodium solution 3~5min of dipping bath, then pond-inputting, control cultivation density is 100kg~200kg/ mus, and feedstuff feeding is with bait fish, shrimp
Based on, feeding volume is controlled 5% or more of parent population total weight, periodically carries out water quality adjustment, and 10~20cm was replaced every 10 days or so
The new water of water total amount, a small amount of lime water of splashing every 20 days carry out disinfection;
B, spawning pond is set:By 12~16cm of diameter, it is 5 that the horizontal area that hangs over of breeding fish nest, which is made, in the pvc pipe of 30~40cm of length
~6 ㎡, for depth to be used as spawning pond in the rectangle cement pit of 0.8m, each spawning pond installs 20 breeding fish nests, and makes
With it is preceding with 20mg/L liquor potassic permanganates impregnate 24 after rinse it is spare;
C, artificial induced spawning:In next year mid or late March, parent population is selected to match 1 with male and female from aquaculture pond:2, which carry out injection, hastens parturition;Note
Sodium chloride solution and drug mixed preparing of the liquid with 0.9% are penetrated, the dosage of injection is per tail 0.3ml~0.5ml, injection site
For pectoral fin base portion abdominal cavity, injection depth 0.3cm;Parent population is put into spawning inducing pool again after injection is good, each spawning inducing pool lays 20 groups
~30 groups, and it is 21 DEG C~26 DEG C to control water temperature;
D, artificial incubation:After Gunther parent fish spawning, laying nest is moved to by spawning pond in dedicated hatchery, control hatching water
Temperature is maintained at 24 DEG C~28 DEG C, apart from water surface 10cm~15cm, and carries out artificial oxygenation, and rejected in time not in hatching process
Fertilized eggs and the ovum that goes mouldy.
2. a kind of artificial fecundation method of Odontobulis mpotamophila according to claim 1, it is characterised in that:The step A
In the outdoor aquaculture pond parent fish rearing stage, the sex ration of parent population is 1:1.5.
3. a kind of artificial fecundation method of Odontobulis mpotamophila according to claim 1, it is characterised in that:The step C
Middle artificial induced spawning stage, the drug are mixed into luteotropin releasing hormone d-ala analog and human chorionic gonadtropin, and every thousand
Gram raun injects the 10 μ g of μ g~20 luteotropin releasing hormone d-ala analogs, 300IU~400IU human chorionic gonadtropins, milter
Dosage halves.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110447577A (en) * | 2018-11-20 | 2019-11-15 | 安徽省农业科学院水产研究所 | A kind of Odontobulis mpotamophila scale efficient propagation method based in due course temperature control |
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CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
CN102726329A (en) * | 2012-06-25 | 2012-10-17 | 句容市句容水库管理所 | Artificial propagation management method for odontobutis obscurus |
WO2017107032A1 (en) * | 2015-12-22 | 2017-06-29 | 唐金贵 | Simulated ecological breeding method for odontobutis obscura |
CN107691297A (en) * | 2017-09-30 | 2018-02-16 | 南京市水产科学研究所 | A kind of method of Odontobulis mpotamophila large size seedling seed artificial culture |
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2018
- 2018-05-07 CN CN201810427506.9A patent/CN108739535A/en active Pending
Patent Citations (4)
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CN1846480A (en) * | 2006-04-14 | 2006-10-18 | 浙江省淡水水产研究所 | Artificial breeding method and incubator for shatang carp |
CN102726329A (en) * | 2012-06-25 | 2012-10-17 | 句容市句容水库管理所 | Artificial propagation management method for odontobutis obscurus |
WO2017107032A1 (en) * | 2015-12-22 | 2017-06-29 | 唐金贵 | Simulated ecological breeding method for odontobutis obscura |
CN107691297A (en) * | 2017-09-30 | 2018-02-16 | 南京市水产科学研究所 | A kind of method of Odontobulis mpotamophila large size seedling seed artificial culture |
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CN110447577A (en) * | 2018-11-20 | 2019-11-15 | 安徽省农业科学院水产研究所 | A kind of Odontobulis mpotamophila scale efficient propagation method based in due course temperature control |
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