CN107593530A - Neat mouth schizothoracin is cultivated and propagation method - Google Patents

Neat mouth schizothoracin is cultivated and propagation method Download PDF

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Publication number
CN107593530A
CN107593530A CN201710882803.8A CN201710882803A CN107593530A CN 107593530 A CN107593530 A CN 107593530A CN 201710882803 A CN201710882803 A CN 201710882803A CN 107593530 A CN107593530 A CN 107593530A
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China
Prior art keywords
water
parent population
pond
parent
neat mouth
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Pending
Application number
CN201710882803.8A
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Chinese (zh)
Inventor
丁诗华
顾正选
许超
王伟
孙翰昌
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Southwest University
Chongqing University of Arts and Sciences
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Southwest University
Chongqing University of Arts and Sciences
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Priority to CN201710882803.8A priority Critical patent/CN107593530A/en
Publication of CN107593530A publication Critical patent/CN107593530A/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 kind of neat mouth schizothoracin cultivation and propagation method, comprise the following steps:(1) parent fish rearing pond is built;(2) parent population flowing water is put in a suitable place to breed:The neat mouth schizothoracin of 3~5 ages health is selected to be placed in flowing water in the parent fish rearing pond as parent population and put in a suitable place to breed;(3) parent population artificial induced spawning:In mating period in 3~May, water temperature is up to 9~15 DEG C, and to maturity of fish gonads, good parent population is hastened parturition;(4) artificial insemination and hatching.Neat mouth schizothoracin provided by the invention is cultivated and propagation method, the natural habitat cultivation parent population of neat mouth schizothoracin is simulated in culture pond, artificial induced spawning, insemination and hatching, the spawning rate of female parent population is up to more than 85%, rate of fertilization is 90% or so, incubation rate is significant for improving neat mouth schizothoracin artificial propagation effect better than other neat mouth schizothoracin propagation methods up to 80% or so.

Description

Neat mouth schizothoracin is cultivated and propagation method
Technical field
The present invention relates to aquaculture technical field, more particularly to neat mouth schizothoracin is cultivated and propagation method.
Background technology
Neat mouth schizothoracin is the distinctive Important Economic fish of Upper Yangtze River, and its fine and tender taste, meat flavour is delicious, nutritious, Belong to bottom dwelling property fish, inhabit in the mountain stream that The turbulent river crashes its way through, dissolved oxygen is higher, suitable growth temperature is 5~27 DEG C.Due to mistake Degree fishing and habitat change, and wild neat mouth schizothoracin quantity drastically declines, and propagates artificially and be limited by seed breeding skill Art.Existing neat mouth schizothoracin artificial propagation techniques are still in the primary stage, and its spawning rate, rate of fertilization, incubation rate are relatively low, seed life Production is difficult to meet cultivation demand.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide a kind of neat mouth schizothoracin to cultivate and breeding side Method.The technical scheme is as follows:
On the one hand, neat mouth schizothoracin cultivation and propagation method, comprise the following steps:
(1) parent fish rearing pond is built;
(2) parent population flowing water is put in a suitable place to breed:The neat mouth schizothoracin of 3~5 ages health is selected to be placed in flowing water in parent fish rearing pond as parent population Put in a suitable place to breed;
(3) parent population artificial induced spawning:In mating period in 3~May, water temperature is up to 9~15 DEG C, and to maturity of fish gonads, good parent population enters Row is hastened parturition;
(4) artificial insemination and hatching.
Further, the specific method that step (2) parent population flowing water is put in a suitable place to breed is:1.0~1.5m of the depth of water, molten in parent fish rearing pond Oxygen amount is 7~10mg/L, and pH value is 6.8~7.6;Since early September, high protein artifical compound feed, daily iron supplement are fed Animal bait, B B-complex and trace mineral supplement.
Further, the specific method of step (3) parent population artificial induced spawning is:Liquid of hastening parturition is injected at parent population pectoral fin root, Male parent population injection dosage halves, and the independent flowing water of male and female parent population is put in a suitable place to breed after injection.
Further, the specific method of step (4) artificial insemination and hatching is:When parent population starts spawning, ovum is adopted immediately, is adopted Essence, avoids meeting water, seminal fluid is added in the ovum of collection, stirs 30s with feather, stands 5min, adds clear water, it is unnecessary to wash away Seminal fluid;Then add volume clear water and stand 30~40min, after embryonated egg is fully absorbed water, be transferred in hatching net, in hatchery Carry out artificial incubation;72h or so after incubation of membrane, prelarva start flat trip, can feed the soft-boiled eggs Huang of 200 mesh silk cover filterings, auxiliary With sturgeon opening powder and biological feed, bottom of pond residual bait and excreta are removed after feeding half an hour after every time.
Further, the specific method in step (1) construction parent fish rearing pond is:Parent fish rearing pond is rectangle, water intake end It is located at culture pond major axis both ends respectively with water side, water intake end bottom of pond is slightly higher, and water side bottom of pond is lower slightly, and bottom of pond is from water intake end to going out Water end (W.E.) tilts gradually downward;In water side, bottom of pond builds the underwater cave parallel to culture pond major axis (in water side pond with masonry Multiple tracks tank is built in bottom with masonry, and tank top covering slabstone, forms artificial underwater cave parallel to culture pond major axis), under water Cave bottom spreads cobblestone, and sunshading board is covered above the water surface, it is ensured that underwater cave light is dark;Newly-built culture pond soaks through the several months It can be come into operation with after sterilization.
Specifically, liquid of hastening parturition includes human chorionic gonadtropin (HCG), luteinizing hormone releasing hormone (LRH) and dopamine Antagonist (DOM).
Specifically, high protein artifical compound feed protein content >=40%.
Specifically, animal bait includes:Pork liver, silkworm chrysalis and fly maggot.
Specifically, underwater cave the length 2~3m, wide 0.5m, high 0.4m.
Specifically, drop is 0.2~0.3m between the culture pond water intake end bottom of pond and water side bottom of pond.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is:Neat mouth schizothoracin provided by the invention is cultivated With propagation method, neat mouth schizothoracin natural habitat cultivation parent population is simulated in culture pond, artificial induced spawning, insemination and hatching, The spawning rate of female parent population is up to more than 85%, and rate of fertilization is 90% or so, and incubation rate is up to 80% or so, better than other neat schistostoma abdomens Fish propagation method, it is significant for improving neat mouth schizothoracin artificial propagation effect.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below It is described in detail on step ground.
Embodiment 1
The northeast plant of Chongqing in 2015, specific implementation step are as follows:
1st, Ecology parent fish rearing pond is built
Select water source easily local, build rectangle parent fish rearing pond, long 10m, wide 5m, deep 2m, culture pond major axis two End is respectively water intake end and water side, and bottom of pond is slightly slanted gradually downward from water intake end to water side, drop about 0.3m.Going out The bottom of pond of water end (W.E.), build the several rows of cave parallel to culture pond major axis using stone material and (build a lot of tank, tank with stone material Parallel to culture pond major axis, top covering slabstone, artificial underwater cave is formed), each long 3m in cave, wide 0.5m, high 0.4m, hole Cave bottom spreads cobblestone, covers sunshading board above the culture pond water surface, builds the natural habitat of neat mouth schizothoracin.
2nd, parent population flowing water is put in a suitable place to breed
3~5 ages neat mouth schizothoracin of health is selected to be placed in flowing water in parent fish rearing pond and put in a suitable place to breed as parent population, depth of water 1.5m is molten Oxygen amount is 8~10mg/L, pH value is 6.8~6.9.Start from early September, feed high protein (about 40%) artifical compound feed, it is auxiliary With pork liver, silkworm chrysalis, supplement B B-complex, trace mineral supplement.
3rd, parent population artificial induced spawning
In mid-March, about 9~13 DEG C of water temperature, by Ecology cultivate parent population gonad development it is good.To sexual gland into The ripe parent population spent is hastened parturition, and is hastened parturition mode using injection, at parent population pectoral fin root injection hasten parturition liquid, liquid of hastening parturition is by fine hair Film promoting sexual gland hormone (HCG), luteinizing hormone releasing hormone (LRH), pimozide (DOM) are formulated, male parent population note Penetrate dosage to halve, male and female parent population is separated after injection, and flowing water is put in a suitable place to breed.
4th, artificial insemination and artificial incubation
When parent population starts spawning, ovum, semen collection are adopted immediately, are avoided meeting water, seminal fluid are added in the ovum of collection, use feather 30s is stirred, 5min is stood, adds appropriate clear water, wash away unnecessary seminal fluid.Then add volume clear water and stand 30min, make by Smart ovum is fully absorbed water, and is transferred in hatching net, and artificial incubation is carried out in hatchery.72h or so after incubation of membrane, prelarva start to put down Trip, it is yellow to feed the soft-boiled eggs of 200 mesh silk cover filterings, is aided with sturgeon opening powder and biological feed, feeds every time clear after half an hour after Except bottom of pond residual bait and excreta.
Result of implementation shows, the spawning rate average out to 85% of female parent population, rate of fertilization about 89.5%, incubation rate up to 81%, Its reproductive effect is substantially better than other domestic neat schistostoma abdomen fish culture fields of Chongqing.
Embodiment 2
The southeast plant of Chongqing in 2016, specific implementation step are as follows:
1st, Ecology parent fish rearing pond is built
The place for having solution cavity water source at one is selected, builds rectangle parent fish rearing pond, long 8m, wide 4m, deep 2m, culture pond length Axle both ends are respectively water intake end and water side, and bottom of pond is slightly slanted gradually downward from water intake end to water side, drop about 0.2m. Bottom of pond in water side, the several rows of cave parallel to culture pond major axis is built using common brick, each long 2m in cave, wide 0.5m, High 0.4m, cave bottom paving cobblestone, culture pond water surface top covering sunshading board, build the natural of neat mouth schizothoracin and inhabites ring Border.
2nd, parent population flowing water is put in a suitable place to breed
3~5 ages neat mouth schizothoracin of health is selected to be placed in flowing water in parent fish rearing pond and put in a suitable place to breed as parent population, depth of water 1.0m is molten Oxygen amount is 7~10mg/L, pH value is 7.3~7.5.Since September 10 days, high protein (about 40%) artifical compound feed is fed, It is aided with pork liver, fly maggot, supplement B B-complex, trace mineral supplement.
3rd, parent population artificial induced spawning
In mid-March, about 10~15 DEG C of water temperature, by Ecology cultivate parent population gonad development it is good.To sexual gland The good parent population of maturity is hastened parturition, and liquid of hastening parturition is injected at parent population pectoral fin root, liquid of hastening parturition is by human chorionic gonadtropin (HCG), luteinizing hormone releasing hormone (LRH), pimozide (DOM) are formulated, and male parent population injection dosage halves, note The rear independent flowing water of male and female parent population is penetrated to put in a suitable place to breed.
4th, artificial insemination and artificial incubation
When parent population starts spawning, ovum, semen collection are adopted immediately, are avoided meeting water, seminal fluid are added in the ovum of collection, use feather 30s is stirred, 5min is stood, adds appropriate clear water, wash away unnecessary seminal fluid.Then add volume clear water and stand 40min, make by Smart ovum is fully absorbed water, and is transferred in hatching net, and artificial incubation is carried out in hatchery.72h or so after incubation of membrane, prelarva start to put down Trip, it is yellow to feed the soft-boiled eggs of 200 mesh silk cover filterings, is aided with sturgeon opening powder and biological feed, feeds every time clear after half an hour after Except bottom of pond residual bait and excreta.
Result of implementation shows that the spawning rate average out to 87% of female parent population, rate of fertilization about 91%, incubation rate, should up to 85% The reproductive effect of plant is obviously improved, and promotes neat schistostoma abdomen fish Seedling production.
Neat mouth schizothoracin provided by the invention is cultivated and propagation method, and neat mouth schizothoracin is simulated in culture pond and is naturally inhabited Environment cultivates parent population, artificial induced spawning, insemination and hatching, the spawning rate of female parent population up to more than 85%, rate of fertilization 90% or so, Incubation rate, better than other neat mouth schizothoracin propagation methods, has up to 80% or so for improving neat mouth schizothoracin artificial propagation effect It is significant.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (8)

1. neat mouthful of schizothoracin is cultivated and propagation method, it is characterised in that comprises the following steps:
(1) parent fish rearing pond is built;
(2) parent population flowing water is put in a suitable place to breed:The neat mouth schizothoracin of 3~5 ages health is selected to be placed in flowing water in the parent fish rearing pond as parent population Put in a suitable place to breed;
(3) parent population artificial induced spawning:In mating period in 3~May, water temperature is up to 9~15 DEG C, and to maturity of fish gonads, good parent population is urged Production;
(4) artificial insemination and hatching.
2. neat mouth schizothoracin as claimed in claim 1 is cultivated and propagation method, it is characterised in that step (2) the parent population stream The specific method that water is put in a suitable place to breed is:1.0~1.5m of the depth of water in the parent fish rearing pond, dissolved oxygen amount are 7~10mg/L, pH value 6.8 ~7.6;Since early September, high protein artifical compound feed, daily iron supplement animal bait, B B-complex and micro- are fed Secondary element additive.
3. neat mouth schizothoracin as claimed in claim 2 is cultivated and propagation method, it is characterised in that step (3) the parent population people The specific method that work is hastened parturition is:Liquid of hastening parturition is injected at parent population pectoral fin root, male parent population injection dosage halves, male and female after injection The independent flowing water of parent population is put in a suitable place to breed.
4. neat mouth schizothoracin as claimed in claim 3 is cultivated and propagation method, it is characterised in that the step (4) is manually awarded Essence and the specific method of hatching are:When parent population starts spawning, ovum, semen collection are adopted immediately, avoid meeting water, seminal fluid is added to the ovum of collection In son, 30s is stirred, stands 5min, clear water is added, washes away unnecessary seminal fluid;Then add clear water stand 30~40min, make by After smart ovum fully absorbs water, it is transferred in hatching net, artificial incubation is carried out in hatchery;72h after incubation of membrane, prelarva start to put down Trip, it is yellow to feed the soft-boiled eggs of 200 mesh silk cover filterings, is aided with sturgeon opening powder and biological feed, feeds every time clear after half an hour after Except bottom of pond residual bait and excreta.
5. neat mouth schizothoracin as claimed in claim 4 is cultivated and propagation method, it is characterised in that the step (1) builds parent The specific method of fish culture pond is:The parent fish rearing pond is rectangle, and water intake end and water side are located at the culture pond respectively Major axis both ends, the water intake end bottom of pond is slightly higher, and the water side bottom of pond is lower slightly, bottom of pond from the water intake end to the water side by Gradually tilt down;The underwater cave parallel to culture pond major axis, the underwater cave bottom paving are built in the water side bottom of pond Cobblestone, water surface top covering sunshading board, it is ensured that the underwater cave light is dark;Newly-built culture pond soaked and sterilized through the several months After can come into operation.
6. neat mouth schizothoracin as claimed in claim 5 is cultivated and propagation method, it is characterised in that the liquid of hastening parturition includes fine hair Film promoting sexual gland hormone, luteinizing hormone releasing hormone and pimozide.
7. neat mouth schizothoracin as claimed in claim 6 is cultivated and propagation method, it is characterised in that the high protein hand fit Forage protein content >=40%.
8. neat mouth schizothoracin as claimed in claim 7 is cultivated and propagation method, it is characterised in that the animal bait bag Include:Pork liver, silkworm chrysalis and fly maggot.
CN201710882803.8A 2017-09-26 2017-09-26 Neat mouth schizothoracin is cultivated and propagation method Pending CN107593530A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102077787A (en) * 2010-11-17 2011-06-01 贵州省毕节地区水产技术推广站 Artificial propagation technology for schizothorax grahami
CN104255614A (en) * 2014-10-13 2015-01-07 丽江滇江鱼类繁育有限公司 Artificial propagation method of schizothorax gymnocypris potanini firmispinatus
CN104642211A (en) * 2013-11-19 2015-05-27 湖北省水产科学研究所 Artificial breeding method for procypris rabaudi
CN104663547A (en) * 2015-03-11 2015-06-03 中国水产科学研究院长江水产研究所 Percocypris scaled artificial propagation method
CN105075955A (en) * 2015-09-17 2015-11-25 通威股份有限公司 Fry culture cultivating method for schizothorax prenanti
CN105104263A (en) * 2015-08-25 2015-12-02 华能澜沧江水电股份有限公司 Manual schizothorax griseus pellegrin breeding method
CN106577389A (en) * 2016-12-14 2017-04-26 四川省农业科学院水产研究所 Artificial multiplication method of schizothorax prenati
JP2017077186A (en) * 2015-10-19 2017-04-27 株式会社カネカ Tolerance improvement method of aquatic organism to abnormal proliferation of plankton
CN107135989A (en) * 2017-05-02 2017-09-08 宜昌市水产技术推广站 A kind of artificial breeding method of neat mouth schizothoracin fry

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102077787A (en) * 2010-11-17 2011-06-01 贵州省毕节地区水产技术推广站 Artificial propagation technology for schizothorax grahami
CN104642211A (en) * 2013-11-19 2015-05-27 湖北省水产科学研究所 Artificial breeding method for procypris rabaudi
CN104255614A (en) * 2014-10-13 2015-01-07 丽江滇江鱼类繁育有限公司 Artificial propagation method of schizothorax gymnocypris potanini firmispinatus
CN104663547A (en) * 2015-03-11 2015-06-03 中国水产科学研究院长江水产研究所 Percocypris scaled artificial propagation method
CN105104263A (en) * 2015-08-25 2015-12-02 华能澜沧江水电股份有限公司 Manual schizothorax griseus pellegrin breeding method
CN105075955A (en) * 2015-09-17 2015-11-25 通威股份有限公司 Fry culture cultivating method for schizothorax prenanti
JP2017077186A (en) * 2015-10-19 2017-04-27 株式会社カネカ Tolerance improvement method of aquatic organism to abnormal proliferation of plankton
CN106577389A (en) * 2016-12-14 2017-04-26 四川省农业科学院水产研究所 Artificial multiplication method of schizothorax prenati
CN107135989A (en) * 2017-05-02 2017-09-08 宜昌市水产技术推广站 A kind of artificial breeding method of neat mouth schizothoracin fry

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Application publication date: 20180119