CN102499147A - Odontobutis obscura artificial propagation method - Google Patents
Odontobutis obscura artificial propagation method Download PDFInfo
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- CN102499147A CN102499147A CN2011103394196A CN201110339419A CN102499147A CN 102499147 A CN102499147 A CN 102499147A CN 2011103394196 A CN2011103394196 A CN 2011103394196A CN 201110339419 A CN201110339419 A CN 201110339419A CN 102499147 A CN102499147 A CN 102499147A
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- sleeper
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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 discloses an odontobutis obscura artificial propagation method comprising the steps such as (1) parent fish selection, (2) parent fish cultivation, (2) artificial induced oviposition, (4) oviposition nest, (5) incubation, (6) juvenile cultivation, and the like. With the method, a technological key point of odontobutis obscura artificial propagation in our nation is successfully broken though. The method is innovative in that: odontobutis obscura fertilized eggs are collected by using artificial tile nests; female fish is fetched, and male fish is left for protecting the eggs, such that a hatching rate is improved. With the method, a fry resource guarantee is provided for odontobutis obscura artificial pool propagation. The method provides positive effects for enriching market supply, optimizing special aquaculture product variety, and increasing fishermen income. The method provides substantial social and economical benefits.
Description
Technical field
The present invention relates to aquatic products and culture the field, specifically, relate to the artificial fecundation method of a kind of sleeper.
Background technology
Sleeper, the husky murrel Odontobutis obscura (Temminck et Schlegel) of formal name used at school is under the jurisdiction of Perciformes (Perciformes) Eleotridae (Eleotridae); Be the carnivorous small fishes of bottom, be distributed in the Changjiang river, downstream and attached waters thereof on every side, a little less than the swimming power; The row ambuscade property mode of ingesting inhabits on the water plants such as water bottom mud and weeds at ordinary times, and it is high that sleeper contains the meat amount; Delicious meat, nutritious, for top grade in the fish; Especially the most famous with " cauliflower sleeper " before and after annual mating season, receive liking of broad masses deeply.At present, the artificial numerous cultural technique research of sleeper is in the starting stage, and market supply relies on the natural gained of fishing for fully, and the demand and supply contraction is outstanding, and particularly in the last few years, price rose obviously, and sleeper is the state that supply falls short of demand.
Summary of the invention
For overcoming the deficiency that exists in the existing hatching technique, the object of the present invention is to provide the artificial fecundation method of a kind of sleeper, solved the method that does not also have suitable sleeper artificial propagation in the prior art.
Technical scheme of the present invention is:
The artificial fecundation method of a kind of sleeper specifically comprises the following steps:
1) select parent population: the sleeper parent population that from natural water area or cultivating pool, fishing for physique stalwartness, body surface does not have wound is put into specially pool cultivated, supplies the usefulness of artificial propagation;
2) parent fish rearing: the sleeper parent population of collecting is put into special pond cultivate, cultivate the sufficient agreeable to the taste bait of throwing something and feeding in the pond, keep pond water quality pure and fresh;
3) artificial induced spawning: when water temperature more than 18 ℃ the time, then can carry out the breeding of sleeper artificial induced spawning, select to physically well develop, the fish body does not have wound, body surface smooth and movable normal individual as parent population, after injecting ocyodinic, is put in the spawning pond, let its natural spawning;
4) nest of laying eggs: select the tile through cleaning and sterilizing, be placed in the spawning pond as nest, tile nest quantity is slightly more than the group number of hastening parturition;
5) hatching: the nest after laying eggs is stayed and is continued hatching in the spawning pond, and the raun after will laying eggs is simultaneously all taken out, and stays milter in spawning pond, opens oxygen increasing equipment simultaneously, to guarantee good incubation condition;
6) young juvenile fish is cultivated: the young postlarva of sleeper grows and in the egg membrane of fertilized egg, carries out basically; When in a single day sleeper breaks through egg membrane, the development growth of its health each several part is complete basically, can freely move about; The sleeper membrane need experience more than 20 minutes; Behind sleeper prelarva membrane, should in time fry be shifted out the hatchery, put into the cultivation pond and carry out the cultivation of special pond.
Preferably, in the said step 1), at winter-spring season, select the 2-3 sleeper parent population in age in winter, the specification of sleeper parent population is more than 50 grams, and the individuality of male sleeper is big than raun, is beneficial to milter and keeps nest and protect ovum.
Preferably, the artificial induced spawning in the said step 3), the female-male proportion of putting into the sleeper parent population of spawning pond is 1: 1, and the time of hastening parturition generally is by the end of March or at the beginning of 4 months, and water temperature is more than 18 ℃ the time.
Preferably, the mode that the nest of laying eggs in the said step 4) selects for use tile to be harmonious in twos is bundled into artificial nest, is beneficial to sleeper parent's the characteristic of laying eggs and protecting ovum with milter.And the spawning pond water level is controlled between the 30-40cm.
Preferably, the raun after will laying eggs in the said step 5) is all taken out, and stays milter in spawning pond, and the quantity of milter is for guaranteeing that each nest has 1 tail milter to protect ovum.The dissolved oxygen of Chi Shui remains on 5mg/L.
Advantage of the present invention is:
(1) the present invention has taken the lead in pulling through at home the key of sleeper artificial breeding seed technology, and the tile that taking is harmonious in twos is bundled into is placed in the spawning pond as laying eggs nest, collection fertilized egg; Simultaneously, in the incubating oosperm process, keep male sleeper parent in nest, simulate natural ecological environment; Let it protect the ovum hatching, the pectoral fin of milter is ceaselessly agitated, and has driven current; This is very useful to embryonic development, has improved the fertilized egg hatching rate effectively.
(2) technical method of artificial propagation of sleeper of the present invention is propagated artificially and provided seed to ensure for carrying out sleeper, and is of far-reaching significance to the aquaculture industry development that promotes sleeper.
(3) the present invention has important social and economic benefit, calculates according to breeding sleeper fry 100,000,000 tails year, can about 2500 tons of commodity sleeper fishes be provided for market, and income can reach more than 1.5 hundred million yuan.To enriching the market supply; Satisfy civic living material demand; The market price of stabilizing commodity sleeper fish has positive role, also can increase a new breed variety simultaneously, the fishman people is increased income have positive role; Adjustment to fresh water aquaculture production and breed variety structure will be played good facilitation, and its economic and social benefit is with fairly obvious.
Embodiment
Embodiment 1
The artificial fecundation method of a kind of sleeper mainly comprises the following steps:
1, selects parent population: at winter-spring season; The parent population that from natural water area such as Taihu Lake or cultivating pool, fishing for physique stalwartness, body surface does not have wound is put into specially pool cultivated, supplies the usefulness of artificial propagation, generally selects the 2-3 parent population in age in winter; Sleeper parent specification is more than 50 grams; Especially male sleeper individual wants big than raun, and this helps milter and keeps nest and protect ovum.
2, parent fish rearing: the sleeper parent population of collecting is put into special pond cultivate, cultivate the sufficient agreeable to the taste bait of throwing something and feeding in the pond, keep pond water quality pure and fresh.
3, artificial induced spawning: generally by the end of March or at the beginning of 4 months; Water temperature is more than 18 ℃ the time, and female, milter coefficient of maturity can reach 33.27% and 1.33% respectively, can carry out the breeding of sleeper artificial induced spawning; Selection physically well develops, the fish body does not have wound, body surface smooth and movable normal individual as parent population; Female-male proportion 1: 1 is put in the spawning pond behind the ocyodinic through injection, lets its natural spawning.
4, the nest of laying eggs: select the tile through cleaning and sterilizing, being harmonious in twos is placed on after pricking in the spawning pond as nest, and the spawning pond water level is controlled at 30-40cm, and tile nest quantity is slightly more than the group number of hastening parturition.
5, hatching: the nest after laying eggs is stayed and is continued hatching in the spawning pond, and the raun after will laying eggs is simultaneously all taken out, and stays milter in spawning pond; Guarantee that each nest has 1 tail milter to protect ovum, milter has keeps the characteristic that nest protects ovum, and the pectoral fin of milter is ceaselessly agitated; Driven current, this is very useful to embryonic development, and the hatchery keeps certain current; Open oxygen increasing equipment simultaneously, keep the pond water-soluble oxygen at 5mg/L, to guarantee good incubation condition.
6, young juvenile fish is cultivated: the young postlarva of sleeper grows and in the egg membrane of fertilized egg, carries out basically; When in a single day sleeper breaks through egg membrane; The development growth of its health each several part is complete basically, can freely move about, and this is different with other fish; Simultaneously, shown that also the sleeper brooding time is than one of long reason.Because its individuality is bigger, membrane need experience 20-30 minute approximately, even the longer time, and just the juvenile fish average body of membrane reaches 7.3mm; The average 1.8mm of head length, behind the sleeper incubation of membrane second day just begins the small-sized shell-fish of ingesting, especially cyclops etc.; Observe from microscopically, it is heavy, and the ferociousness of eating, frequency are high again; The mode of ingesting is similar with adult fish, and row ambuscade property is ingested, and the sleeper growth is rapid, therefore; Behind sleeper prelarva membrane, should in time fry be shifted out the hatchery, put into the cultivation pond of having prepared and carry out the cultivation of special pond.
The foregoing description just is to let the one of ordinary skilled in the art can understand content of the present invention and enforcement according to this in order technical conceive of the present invention and characteristics to be described, to be its objective is, can not limit protection scope of the present invention with this.The variation or the modification of every equivalence that the essence of content has been done according to the present invention all should be encompassed in protection scope of the present invention.
Claims (7)
1. the artificial fecundation method of a sleeper is characterized in that, specifically comprises the following steps:
1) select parent population: the sleeper parent population that from natural water area or cultivating pool, fishing for physique stalwartness, body surface does not have wound is put into specially pool cultivated, supplies the usefulness of artificial propagation;
2) parent fish rearing: the sleeper parent population of collecting is put into special pond cultivate, cultivate the sufficient agreeable to the taste bait of throwing something and feeding in the pond, keep pond water quality pure and fresh;
3) artificial induced spawning: when water temperature more than 18 ℃ the time, then can carry out the breeding of sleeper artificial induced spawning, select to physically well develop, the fish body does not have wound, body surface smooth and movable normal individual as parent population, after injecting ocyodinic, is put in the spawning pond, let its natural spawning;
4) nest of laying eggs: select the tile behind cleaning and sterilizing, be placed in the spawning pond as nest, tile nest quantity is slightly more than the group number of hastening parturition;
5) hatching: the nest after laying eggs is stayed and is continued hatching in the spawning pond, and the raun after will laying eggs is simultaneously all taken out, and stays milter in spawning pond, opens oxygen increasing equipment simultaneously, to guarantee good incubation condition;
6) young juvenile fish is cultivated: the young postlarva of sleeper grows and in the egg membrane of fertilized egg, carries out basically; When in a single day sleeper breaks through egg membrane, the development growth of its health each several part is complete basically, can freely move about; The sleeper membrane need experience more than 20 minutes; Behind sleeper prelarva membrane, should in time fry be shifted out the hatchery, put into the cultivation pond and carry out the cultivation of special pond.
2. the artificial fecundation method of sleeper according to claim 1 is characterized in that, in the said step 1); At winter-spring season, select the 2-3 sleeper parent population in age in winter, the specification of sleeper parent population is more than 50 grams; The individuality of male sleeper is big than raun, is beneficial to milter and keeps nest and protect ovum.
3. the artificial fecundation method of sleeper according to claim 1 is characterized in that, the artificial induced spawning in the said step 3), and the female-male proportion that is put in the sleeper parent population of spawning pond is 1: 1, and the time of hastening parturition is by the end of March or at the beginning of 4 months, and water temperature is more than 18 ℃ the time.
4. the artificial fecundation method of sleeper according to claim 1 is characterized in that, the mode that the nest of laying eggs in the said step 4) selects for use tile to be harmonious in twos is bundled into artificial nest, is beneficial to sleeper parent's the characteristic of laying eggs and protecting ovum with milter.
5. the artificial fecundation method of sleeper according to claim 1 is characterized in that, in the said step 4), the spawning pond water level is controlled between the 30-40cm.
6. the artificial fecundation method of sleeper according to claim 1 is characterized in that, the raun after will laying eggs in the said step 5) is all taken out, and stays milter in spawning pond, and the quantity of milter is for guaranteeing that each nest has 1 tail milter to protect ovum.
7. the artificial fecundation method of sleeper according to claim 1 is characterized in that, in the said step 5), keeps the pond water-soluble oxygen at 5mg/L.
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| CN2011103394196A CN102499147A (en) | 2011-11-01 | 2011-11-01 | Odontobutis obscura artificial propagation method |
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| CN2011103394196A CN102499147A (en) | 2011-11-01 | 2011-11-01 | Odontobutis obscura artificial propagation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948382A (en) * | 2012-11-13 | 2013-03-06 | 南京市水产科学研究所 | Method for controlling saprolegniasis of odontobutis obscura germ cells in incubation period |
| CN103478032A (en) * | 2013-09-17 | 2014-01-01 | 中国水产科学研究院珠江水产研究所 | Natural spawning and hatching culture method for silver arowana |
| CN104542402A (en) * | 2015-01-12 | 2015-04-29 | 陈治平 | Ecological and environment-friendly industrial aquaculture method for odontobutis potamophila |
| CN104938385A (en) * | 2015-06-23 | 2015-09-30 | 周天赐 | Hemibarbus maculatus bleeker artificial reproduction method |
| CN106172101A (en) * | 2016-07-10 | 2016-12-07 | 龙南源头活水生态科技有限责任公司 | A kind of moon murrel Ecology breeding and efficient and healthful cultural method |
| CN106212335A (en) * | 2016-07-29 | 2016-12-14 | 常熟理工学院 | A kind of method of Odontobutis obscura parent fish nurse breeding |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102144588A (en) * | 2011-04-07 | 2011-08-10 | 江苏省淡水水产研究所 | Method for artificially propagating odontobutis obscurus |
-
2011
- 2011-11-01 CN CN2011103394196A patent/CN102499147A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102144588A (en) * | 2011-04-07 | 2011-08-10 | 江苏省淡水水产研究所 | Method for artificially propagating odontobutis obscurus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102948382A (en) * | 2012-11-13 | 2013-03-06 | 南京市水产科学研究所 | Method for controlling saprolegniasis of odontobutis obscura germ cells in incubation period |
| CN103478032A (en) * | 2013-09-17 | 2014-01-01 | 中国水产科学研究院珠江水产研究所 | Natural spawning and hatching culture method for silver arowana |
| CN103478032B (en) * | 2013-09-17 | 2016-03-02 | 中国水产科学研究院珠江水产研究所 | The cultural method of two palpus osteoglossid natural spawning and hatching |
| CN104542402A (en) * | 2015-01-12 | 2015-04-29 | 陈治平 | Ecological and environment-friendly industrial aquaculture method for odontobutis potamophila |
| CN104938385A (en) * | 2015-06-23 | 2015-09-30 | 周天赐 | Hemibarbus maculatus bleeker artificial reproduction method |
| CN106172101A (en) * | 2016-07-10 | 2016-12-07 | 龙南源头活水生态科技有限责任公司 | A kind of moon murrel Ecology breeding and efficient and healthful cultural method |
| CN106212335A (en) * | 2016-07-29 | 2016-12-14 | 常熟理工学院 | A kind of method of Odontobutis obscura parent fish nurse breeding |
| 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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Application publication date: 20120620 |