CN1748488A - The mandarin sturgeon seawater acclimation method - Google Patents
The mandarin sturgeon seawater acclimation method Download PDFInfo
- Publication number
- CN1748488A CN1748488A CNA2004100504141A CN200410050414A CN1748488A CN 1748488 A CN1748488 A CN 1748488A CN A2004100504141 A CNA2004100504141 A CN A2004100504141A CN 200410050414 A CN200410050414 A CN 200410050414A CN 1748488 A CN1748488 A CN 1748488A
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- China
- Prior art keywords
- seawater
- mandarin sturgeon
- salinity
- sturgeon
- days
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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 present invention relates to the fish seawater acclimation and culture, the fresh water seed that is sea, river migration fishes mandarin sturgeon specifically changes the process of seawater breeding over to gradually through seawater acclimation.Mandarin sturgeon fresh water seed is cultured salinity water by improving gradually, raises to the seawater of salinity 32 ‰.The present invention is for protecting these rare fish of mandarin sturgeon better, and the resource of recovering China mandarin sturgeon has great significance.
Description
Technical field
The present invention relates to the fish seawater acclimation and culture, the fresh water seed that is sea, river migration fishes mandarin sturgeon specifically changes the process of seawater breeding over to gradually through seawater acclimation.
Background technology
Mandarin sturgeon is distance few survivors's kind that the Cretaceous period left behind before modern about 200,000,000 years, mainly is distributed in the waters, continental shelf and the main stream of the Yangtze of the East Sea and the Huanghai Sea.Mandarin sturgeon is river sea migration fishes, and carry out anadromous migration annual 6～August to the entrance of Changjiang River, arrive river, Hubei section 9～October successively, and be detained in the river and pass the winter, and 10～November of next year arrives river, Yichang section egg reproduction, falls the river postpartum immediately and returns the ocean and fatten.Young sturgeon goes downstream, and between 4～May of next year, mainly concentrates on Chongming Island Dong Tan waters, entrance of Changjiang River, and young sturgeon stays about 5 months at this before going into the sea, and body length increases to about 30 centimetres by about 10 centimetres.
The passage that has cut off the mandarin sturgeon egg-laying migration of building owing to the Changjiang river water-control project; Gezhouba Project has forced mandarin sturgeon egg reproduction under the Ge Zhou Ba; reduce significantly mandarin sturgeon natural spawning field, the Changjiang river, and country is bred by the artificial propagation and the way of releasing and protects.Yet the construction of Three Gorges Projects will further change the spatial and temporal pattern that waters, the Changjiang river current distribute, and respective change will take place for ecotope and hydrologic(al) regime.At present, artificial fecundation is released and only is confined to waters, the Changjiang river and waters, entrance of Changjiang River, and the ship of producing, slotting net and drift net very easily damage young sturgeon, and the fluctuation tide of Hekou District also can cause the stranded of young sturgeon.For protecting the propagation quantity of young sturgeon effectively, can pass through seawater acclimation, after seawater is supported temporarily, directly carry out the artificial releasing marine.
Summary of the invention
The object of the present invention is to provide mandarin sturgeon fresh water seed to change the method for seawater breeding over to through seawater acclimation.
For achieving the above object, the technical scheme taked of the present invention is:
Mandarin sturgeon fresh water seed is cultured salinity water by improving gradually, carries out the transition to seawater and raises, and promptly mandarin sturgeon fresh water seed is raised in the seawater of seawater acclimation to 32 ‰.
Described seawater acclimation, be with the breed salinity water before 15 ‰, improved salinity～5 ‰ in per three days; Between salinity 15～25 ‰ were improved salinity 1～3 ‰ in per five days; After salinity reaches 25 ‰, the mandarin sturgeon seed was raised and train 15～30 days, improved salinity 1 ‰ in per then three days, carry out the transition to salinity and be in 32 ‰ the seawater.
The present invention has following advantage:
1, Xun Hua weed survival rate height;
2, seed carries out the transition to seawater time weak point from fresh water;
3, can tame back enforcement artificial fecundation in the coastal any area of China releases.
The present invention is for protecting these rare fish of mandarin sturgeon better, and the resource of recovering China mandarin sturgeon has great significance.
Embodiment
Embodiment 1
Be transported to Qingdao 150 tail mandarin sturgeon fries January 18 calendar year 2001 from Wuchang, body weight is 5.55～9.29g, and body length is 10.8～14.0cm.Culturing water is that running water uses after 20 hours through filling air, and day is changed water 3/4, and water temperature is 8 ℃.Began domestication on February 3, culture salinity water and improved 5 ‰ in per three days, cultured salinity water February 17 and reach 15 ‰; Improved 3 ‰ in per five days, February 27, salinity reached 25 ‰, and after raising and train through 15 days, beginning on March 15 improved 1 ‰ in per three days, during safety carried out the transition to 32 ‰ seawater to April 4.
In addition,, in the seawater acclimation process, will culture salinity water before 15 ‰, can improve 3～5 ‰ in per three days through test; Between salinity 15～25 ‰ can improve 1～3 ‰ in per five days; When the breed salinity water was 25 ‰, the mandarin sturgeon seed can be raised and train 15～30 days, also can reach the object of the invention, because its enforcement is comparatively simple, so repeat no more.
Claims (1)
1, mandarin sturgeon seawater acclimation method is characterized in that: mandarin sturgeon fresh water is raised in the seawater of seawater acclimation to 32 ‰ by seed; Described seawater acclimation, be with the breed salinity water before 15 ‰, improved salinity 3～5 ‰ in per three days; Between salinity 15～25 ‰ were improved salinity 1～3 ‰ in per five days; After salinity reaches 25 ‰, the mandarin sturgeon seed was raised and train 15～30 days, improved salinity 1 ‰ in per then three days, carry out the transition to salinity and be in 32 ‰ the seawater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100504141A CN100482069C (en) | 2004-09-15 | 2004-09-15 | Sea water domesticating method for Chinese sturgeon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100504141A CN100482069C (en) | 2004-09-15 | 2004-09-15 | Sea water domesticating method for Chinese sturgeon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1748488A true CN1748488A (en) | 2006-03-22 |
| CN100482069C CN100482069C (en) | 2009-04-29 |
Family
ID=36604291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100504141A Expired - Fee Related CN100482069C (en) | 2004-09-15 | 2004-09-15 | Sea water domesticating method for Chinese sturgeon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100482069C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647413B (en) * | 2008-08-11 | 2011-05-18 | 中国水产科学研究院东海水产研究所 | Method for transforming feeding habits of juvenile fishes of large acipenser sinensis |
| CN104365518A (en) * | 2014-11-27 | 2015-02-25 | 四川省农业科学院水产研究所 | Acipenser dabryanus fry start feeding and domesticating method |
| CN104756923A (en) * | 2015-04-29 | 2015-07-08 | 大连市水产研究所 | Seawater domestication method of hybrid fry of Huso dauricus and Acipenser baerii |
| CN110100717A (en) * | 2019-06-03 | 2019-08-09 | 海南晨海水产有限公司 | A kind of high viability, Seedling height rate Artificial Fry Rearing of Threeband Sweetlip Plectorhinchus Cinctus method |
-
2004
- 2004-09-15 CN CNB2004100504141A patent/CN100482069C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101647413B (en) * | 2008-08-11 | 2011-05-18 | 中国水产科学研究院东海水产研究所 | Method for transforming feeding habits of juvenile fishes of large acipenser sinensis |
| CN104365518A (en) * | 2014-11-27 | 2015-02-25 | 四川省农业科学院水产研究所 | Acipenser dabryanus fry start feeding and domesticating method |
| CN104365518B (en) * | 2014-11-27 | 2016-09-07 | 四川省农业科学院水产研究所 | Acipenser dabryanus seed opening and acclimation method |
| CN104756923A (en) * | 2015-04-29 | 2015-07-08 | 大连市水产研究所 | Seawater domestication method of hybrid fry of Huso dauricus and Acipenser baerii |
| CN110100717A (en) * | 2019-06-03 | 2019-08-09 | 海南晨海水产有限公司 | A kind of high viability, Seedling height rate Artificial Fry Rearing of Threeband Sweetlip Plectorhinchus Cinctus method |
| CN110100717B (en) * | 2019-06-03 | 2021-08-06 | 海南晨海水产有限公司 | Artificial breeding method for porgy with high survival rate and high growth rate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100482069C (en) | 2009-04-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20130915 |