CN101946860A - Bait fed in feeding habit conversion period of reeves shad fish larva - Google Patents
Bait fed in feeding habit conversion period of reeves shad fish larva Download PDFInfo
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- CN101946860A CN101946860A CN2010102488717A CN201010248871A CN101946860A CN 101946860 A CN101946860 A CN 101946860A CN 2010102488717 A CN2010102488717 A CN 2010102488717A CN 201010248871 A CN201010248871 A CN 201010248871A CN 101946860 A CN101946860 A CN 101946860A
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- zooplankter
- feeding
- bait
- pond
- hilsa herring
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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 provides a bait fed in the feeding habit conversion period of reeves shad fish larva. The feeding method of the bait comprises the following steps: fishing for phytoplankton in a pond or in a culture pond within the second day to the tenth day after incubating spawns, screening and filtering the fished zooplankter with a 50-meshed screen, screening out the zooplankter larva the body width of which is 100-250 microns, putting the screened zooplankter larva into the pond according to the condition that 980-1100 zooplankter larva exist in each per liter of water, feeding the baits three times a day, and continuously feeding for 10 days until the reeves shad fish larva can initiatively intake food, wherein, the phytoplankton is mainly alga, the zooplankter is rotifera, cladocera and copepoda larva; and during the spawns are inculcated for 11-15 days, fishing the zooplankter, screening and filtering the fished zooplankter with a screen the aperture of which is 0.8 millimetre, screening out the zooplankter the body width of which is 300-450 microns, putting the screened zooplankter into the pond according to the condition that 1980-2100 zooplankter exist in per liter of water, feeding the baits three times a day, and continuously feeding for 15 days until the reeves shad fish larva can intake food vigorously and successfully pass the feeding habit conversion period.
Description
Technical field
The present invention relates to culturing reeves shads bait field, specially refer to the bait that the hilsa herring prelarva feeding habits transition period throws something and feeds.
Background technology
Hilsa herring (Tenualosa reevesii) is the famous and precious migration fishes of China, hilsa herring is life 2-3 after year in the ocean generally, in the June in every year the river of tracing back enter the Zhujiang River, breed in the Qiantang River, the Changjiang river, the children hilsa herring is long to 8-10 centimetre, and fatten at the Haikou, river after the November in every year.Owing to excessive amount of fishing and to build reason hilsa herring resources such as hydraulic engineering, industrial pollution in imminent danger, existing only in the mouth of the Zhujiang River and southeastern coast have a spot of hilsa herring.Therefore give first aid to resource hilsa herring in imminent danger by artificial propagation and the breed approach of hilsa herring, have important social benefit and economic benefit, the cultivation of hilsa herring prelarva is again the breed basis of hilsa herring.
Behind the prelarva membrane of hilsa herring, fade away through about about 7 days time yolk bag, the prelarva of this moment turns to exogenous nutrition by depending on endogenous nutrition, just the prelarva of opening is passive feed, if the hilsa herring prelarva can not get agreeable to the taste open-mouthed bait, will consequently large quantities of prelarva death be taken place by hungry to death, so the survival rate of occurring in nature prelarva is extremely low, the bait that therefore solves the hilsa herring prelarva feeding habits transition period is the key that improves early stage hilsa herring cultivating survival rate.
Summary of the invention
The open-mouthed bait and the feeding method that the object of the present invention is to provide a kind of hilsa herring prelarva to be fit to during the transition period in feeding habits.
For achieving the above object, technical scheme of the present invention is:
Bait and the feeding method of hilsa herring prelarva feeding habits transition period are:
1, behind the hatch fish roe the 2nd was to 10 days, the young fish length of hilsa herring is in the 3-5 millimeter, grow seedlings this moment bait and feeding method is: in the pond or culture in the pond and fish for phytoplankton and zooplankter, phytoplankton is based on algae, zooplankter is a wheel animalcule, cladocera and copepod larva, the planktonic organism of fishing for is filtered with 50 mesh sieve thin,tough silk, filter out the wide zooplankter young of body at the 100-250 micron, the zooplankter young that filters out is by 980-1100 input of the zooplankter young arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed, and can initiatively ingest in continuous 10 days up to the hilsa herring prelarva;
2, the 11st to 15 day after the hatching, the young fish length of hilsa herring is in the 10-15 millimeter, grow seedlings this moment bait and feeding method is: in the pond or culture in the pond and fish for zooplankter, s' 0.8 millimeter silk cover filtering with the zooplankter of fishing for the aperture, filter out the wide zooplankter of body at the 300-450 micron, the zooplankter that filters out is by zooplankter 1980-2100 input arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed in continuous 15 days, it is vigorous to ingest up to the hilsa herring prelarva, spends smoothly till the feeding habits transition period
Good effect of the present utility model is:
The bait of 1, throwing something and feeding is suitable for the passive feed of hilsa herring prelarva of firm opening, and is fit to 2-15 days the prelarva nursing of hatching back;
2, bait is drawn materials conveniently, and nutritious, valency is cheap;
3, use the hilsa herring prelarva survival rate height of bait feeding, the physique stalwartness.
The specific embodiment
Further specify the specific embodiment of the present invention below in conjunction with embodiment.
Embodiment 1
Hilsa herring hatching back 2-10 days, the young fish length of hilsa herring is in the 3-5 millimeter, respectively pond or breed pond in fish for phytoplankton and zooplankter with phytoplankton net and zooplankter net this moment, the phytoplankton of fishing for is based on algae, zooplankter bait filters with 50 mesh sieve thin,tough silk, can obtain the wide wheel animalcule of body, corner angle class, copepod larva at the 100-250 micron.The zooplankter young that filters out is divided the bait of throwing something and feeding every day three times by about 980 inputs of the zooplankter young are arranged in the every premium on currency in fry pond, feeds in continuous 10 days, and the young fish length of hilsa herring can be grown the 8-10 millimeter, and the hilsa herring prelarva can initiatively ingest;
Hilsa herring hatching back 11-15 days, prelarva is in the long 11-13 millimeter of body, in the pond or culture the zooplankter of fishing in the pond, be 0.8 millimeter silk cover filtering with the aperture with the zooplankter net this moment, obtains zooplankters such as the wide corner angle class at the 300-450 micron of body, Copepods.The zooplankter that filters out is by about 1980 inputs of zooplankter are arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed in continuous 15 days, the young fish length of hilsa herring can be grown the 12-15 millimeter, and the hilsa herring prelarva ingests vigorous, spends smoothly till the feeding habits transition period.
Embodiment 2
Hilsa herring hatching back 2-10 days, the young fish length of hilsa herring is in the 3-5 millimeter, respectively pond or breed pond in fish for phytoplankton and zooplankter with phytoplankton net and zooplankter net this moment, the phytoplankton of fishing for is based on algae, zooplankter bait filters with 50 mesh sieve thin,tough silk, can obtain the wide wheel animalcule of body, corner angle class, copepod larva at the 100-250 micron.The zooplankter young that filters out is divided the bait of throwing something and feeding every day three times by about 1000 inputs of the zooplankter young are arranged in the every premium on currency in fry pond, feeds in continuous 10 days, and the young fish length of hilsa herring can be grown the 8-10 millimeter, and the hilsa herring prelarva can initiatively ingest;
Hilsa herring hatching back 11-15 days, prelarva is in the long 11-13 millimeter of body, in the pond or culture the zooplankter of fishing in the pond, be 0.8 millimeter silk cover filtering with the aperture with the zooplankter net this moment, obtains zooplankters such as the wide corner angle class at the 300-450 micron of body, Copepods.The zooplankter that filters out is by about 2100 inputs of zooplankter are arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed in continuous 15 days, the young fish length of hilsa herring can be grown the 12-15 millimeter, and the hilsa herring prelarva ingests vigorous, spends smoothly till the feeding habits transition period.
The above only is a non-limiting embodiment of the present invention; for the person of ordinary skill of the art; not breaking away from the invention design and not making under the prerequisite of creative work, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (1)
1. hilsa herring prelarva feeding habits transition period bait of throwing something and feeding is characterized in that the hilsa herring prelarva feeding habits transition period feeding method of bait is:
(1), behind the hatch fish roe the 2nd was to 10 days, the young fish length of hilsa herring is in the 3-5 millimeter, grow seedlings this moment bait and feeding method is: in the pond or culture in the pond and fish for phytoplankton and zooplankter, phytoplankton is based on algae, zooplankter is a wheel animalcule, cladocera and copepod larva, the planktonic organism of fishing for is filtered with 50 mesh sieve thin,tough silk, filter out the wide zooplankter young of body at the 100-250 micron, the zooplankter young that filters out is by 980-1100 input of the zooplankter young arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed, and can initiatively ingest in continuous 10 days up to the hilsa herring prelarva;
(2), the 11st to 15 day after the hatching, the young fish length of hilsa herring is in the 10-15 millimeter, grow seedlings this moment bait and feeding method is: in the pond or culture in the pond and fish for zooplankter, s' 0.8 millimeter silk cover filtering with the zooplankter of fishing for the aperture, filter out the wide zooplankter of body at the 300-450 micron, the zooplankter that filters out is by zooplankter 1980-2100 input arranged in the every premium on currency in fry pond, divide the bait of throwing something and feeding every day three times, fed in continuous 15 days, it is vigorous to ingest up to the hilsa herring prelarva, spends smoothly till the feeding habits transition period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102488717A CN101946860A (en) | 2010-08-09 | 2010-08-09 | Bait fed in feeding habit conversion period of reeves shad fish larva |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102488717A CN101946860A (en) | 2010-08-09 | 2010-08-09 | Bait fed in feeding habit conversion period of reeves shad fish larva |
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| CN101946860A true CN101946860A (en) | 2011-01-19 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124975A (en) * | 2011-03-23 | 2011-07-20 | 中国水产科学研究院长江水产研究所 | Method for breeding tenuaeosa reevesii recruits in circuit running water way |
| CN106359194A (en) * | 2016-09-15 | 2017-02-01 | 中国水产科学研究院黄海水产研究所 | Breeding method for increasing survival rate of American shad larvae |
| CN106665424A (en) * | 2016-11-30 | 2017-05-17 | 卢志旭 | Method for automatically ecological culture of hilsa herring |
| CN108077129A (en) * | 2018-01-31 | 2018-05-29 | 平南县德湖种养农民专业合作社 | A kind of cultural method for improving hilsa herring survival rate |
| CN108338099A (en) * | 2018-01-31 | 2018-07-31 | 平南县德湖种养农民专业合作社 | A kind of cultural method improving hilsa herring yield |
| CN108419719A (en) * | 2018-01-31 | 2018-08-21 | 平南县德湖种养农民专业合作社 | A kind of cultural method of high-quality hilsa herring |
| JP2019097432A (en) * | 2017-11-29 | 2019-06-24 | 国立研究開発法人水産研究・教育機構 | Seedling production method for marine fishes in which particles containing marine heterotrophic algae are fed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875695A (en) * | 2006-07-05 | 2006-12-13 | 上海爱格斯生态科技有限公司 | An integrated ecological method for breeding fry of reeves shad |
| CN101642067A (en) * | 2009-08-21 | 2010-02-10 | 江阴市申港三鲜养殖有限公司 | Method for artificially hastening parturition of American reeves shads, inseminating and hatching germ cells |
| CN101658151A (en) * | 2009-09-11 | 2010-03-03 | 中国水产科学研究院淡水渔业研究中心 | Artificial cultivation and domestication method of American shad fry and fingerlings |
-
2010
- 2010-08-09 CN CN2010102488717A patent/CN101946860A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1875695A (en) * | 2006-07-05 | 2006-12-13 | 上海爱格斯生态科技有限公司 | An integrated ecological method for breeding fry of reeves shad |
| CN101642067A (en) * | 2009-08-21 | 2010-02-10 | 江阴市申港三鲜养殖有限公司 | Method for artificially hastening parturition of American reeves shads, inseminating and hatching germ cells |
| CN101658151A (en) * | 2009-09-11 | 2010-03-03 | 中国水产科学研究院淡水渔业研究中心 | Artificial cultivation and domestication method of American shad fry and fingerlings |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124975A (en) * | 2011-03-23 | 2011-07-20 | 中国水产科学研究院长江水产研究所 | Method for breeding tenuaeosa reevesii recruits in circuit running water way |
| CN106359194A (en) * | 2016-09-15 | 2017-02-01 | 中国水产科学研究院黄海水产研究所 | Breeding method for increasing survival rate of American shad larvae |
| CN106665424A (en) * | 2016-11-30 | 2017-05-17 | 卢志旭 | Method for automatically ecological culture of hilsa herring |
| CN106665424B (en) * | 2016-11-30 | 2020-07-07 | 卢志旭 | Method for automatically and ecologically breeding reeves shads |
| JP2019097432A (en) * | 2017-11-29 | 2019-06-24 | 国立研究開発法人水産研究・教育機構 | Seedling production method for marine fishes in which particles containing marine heterotrophic algae are fed |
| JP7054088B2 (en) | 2017-11-29 | 2022-04-13 | 国立研究開発法人水産研究・教育機構 | A method for producing seedlings of marine fish, which comprises feeding particles containing marine heterotrophic algae. |
| CN108077129A (en) * | 2018-01-31 | 2018-05-29 | 平南县德湖种养农民专业合作社 | A kind of cultural method for improving hilsa herring survival rate |
| CN108338099A (en) * | 2018-01-31 | 2018-07-31 | 平南县德湖种养农民专业合作社 | A kind of cultural method improving hilsa herring yield |
| CN108419719A (en) * | 2018-01-31 | 2018-08-21 | 平南县德湖种养农民专业合作社 | A kind of cultural method of high-quality hilsa herring |
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Application publication date: 20110119 |