CN104365518B - Acipenser dabryanus seed opening and acclimation method - Google Patents
Acipenser dabryanus seed opening and acclimation method Download PDFInfo
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- CN104365518B CN104365518B CN201410707877.4A CN201410707877A CN104365518B CN 104365518 B CN104365518 B CN 104365518B CN 201410707877 A CN201410707877 A CN 201410707877A CN 104365518 B CN104365518 B CN 104365518B
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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
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- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract
The present invention relates to a kind of nursery breeding method, it is specially acipenser dabryanus seed opening and acclimation method, acipenser dabryanus first divides basin to raise, foodstuff of throwing something and feeding, after the emptying of acipenser dabryanus melanin enteron aisle, it is stepped up water earthworm to throw something and feed frequency, throw something and feed with mash feed mixture with the water earthworm minced the most again, then carry out a point basin, throw something and feed water earthworm and mash feed mixture, finally throw something and feed with microcapsule feedstuff, finally acipenser dabryanus good for growing state is phased out into outdoor flowing water pond and raises.The acipenser dabryanus seed opening of present invention offer and acclimation method; by controlling acipenser dabryanus spray opening opportunity and seed acclimatization culture method of operating; and use different size, the bait of different cultivars to throw something and feed according to different times; during ensureing acipenser dabryanus seed rearing, bait enriches; ambient stable; decrease the generation of disease, solve scale seed rearing, tame main restrictive factor, and improve acipenser dabryanus aperture opening ratio, the speed of growth and survival rate.
Description
Technical field
The present invention relates to a kind of nursery breeding method, specially acipenser dabryanus seed opening and acclimation method.
Background technology
Acipenser dabryanus is subordinate to Acipenseridae sturgeon and belongs to, and is a kind of relatively large economic freshwater fish, its meat and the delicious flavour of ovum,
Rich in nutrition, its speed of growth is very fast, and especially fish-egg can be processed into caviar.
Owing to the digestion power of acipenser dabryanus prelarva is limited, the mode cultivated at present is with unicellular alga and to float mostly
Travelling plant is main.Research finds, under the conditions of propagating artificially and in natural river, prelarva mainly absorbs acipenser dabryanus
The benthonic invertebrateses such as aquatic oligochaetes, chironomus larvas, and absorb a small amount of cladocera and scratch foot class etc. and swim dynamic
Thing.Along with the breakthrough of acipenser dabryanus artificial propagation techniques, rely on natural bait can not meet far away the training of acipenser dabryanus seed
The needs educated, and the nutrition of natural bait can not fully meet the needs of larvae growth.Particularly work as prelarva
After proceeding to the exogenous nutrition stage, can the survival rate of the young depend mainly on the quality of exogenous nutrition material and have
Sufficient supply, therefore, suitable open-mouthed bait is the key of acipenser dabryanus larvae cultivation.
It is observed that acipenser dabryanus has the ecosystem characterization of uniqueness, its mixotrophism phase is in bottom life, and big
The mixotrophism of many Acipenseridaes fish betides horizontal swimming stage, shows special to open-mouthed bait of acipenser dabryanus
Property.Therefore, in order to effectively breed acipenser dabryanus resource, develop a set of acipenser dabryanus seed opening and the method for domestication
It is the most necessary.
Present stage, acipenser dabryanus seed rearing mode is the most extensive and simple, during seed rearing controllable because of
Son is few, small, main use under pond rearing water flea, seed the pool or salvage water flea city feed or
Throwing something and feeding the mode of water earthworm in Nei Quan pond, pond, single open-mouthed bait can not fully meet the nutrition of acipenser dabryanus and need
Want, cause metabolic disorder；On the other hand, due to water flea or the water earthworm of throwing something and feeding for a long time, in body body can be caused
The harmful toxic matters such as the organophosphor of enriched, organochlorine and heavy metal, also result in some disease of juvenile fish stage
Occurring, seed aperture opening ratio and survival rate are on the low side.
Summary of the invention
For above-mentioned technical problem, the acipenser dabryanus seed that the present invention provides and a kind of feeds comprehensive nutrition, survival rate is high
Opening and acclimation method, concrete technical scheme is:
Acipenser dabryanus seed opening and acclimation method, comprise the following steps:
(1), after treating acipenser dabryanus spray cluster or flat trip, from incubator, the cultivation of diameter 1m or 2m is transferred to
Basin is supported temporarily, basin uses water body miniflow water, maintains water temperature at 20 DEG C ± 0.5 DEG C；
(2) after 7d, observe melanin deposition situation in acipenser dabryanus enteron aisle, treat that melanin deposition is to enteron aisle end
Dividing basin to raise acipenser dabryanus during end, cultivation density is 5000 tails/m2；Breeding container uses indoor micro-flowing water culture；
Throwing something and feeding foodstuff, bait is to have supported the water earthworm of more than 7d in flowing water pond in groove temporarily or with plankton,
Every day 2 times, the residual bait of sucking-off after the 1h that throws something and feeds, remove contamination every day 1 time；
(3) 3-5d is interior subsequently observes acipenser dabryanus melanin discharge situation in Breeding container, treats most acipenser dabryanus enteron aisle
After emptying, increase water earthworm and throw something and feed frequency, throw something and feed every day 4 times, the residual bait of sucking-off after the 1h that throws something and feeds, remove contamination 1 every day
Secondary；
(4) after 7d, along with the growth of acipenser dabryanus prelarva, it is gradually increased the length of water earthworm, and increase is thrown something and fed
Frequency, throws something and feeds 6 every day, and the residual bait of sucking-off after the 1h that throws something and feeds is removed contamination 1 every day；
(5), after feeding water earthworm 21-28d, throw something and feed with mash feed mixture with the water earthworm minced, every day
Throw something and feed 1-2 time, and after 1h, increase water earthworm of throwing something and feeding；Ensure to throw something and feed during this water earthworm 6 times, water earthworm of throwing something and feeding
The residual bait of sucking-off after 1h, removes contamination 1 every day；
(6) 28-42d, increases the frequency of throwing something and feeding of water earthworm and mash feed mixture, reduces water earthworm and throws something and feeds
Number of times, throw something and feed every day water earthworm and mash feed mixture 4 times, water earthworm 2 times, and observe acipenser dabryanus ight soil shape
State, color；The residual bait of 1h sucking-off after throwing something and feeding, removes contamination 1 every day；
(7), after 42d, acipenser dabryanus size is carried out a point basin, individual acipenser dabryanus slightly larger, that adapt to mixed feed,
Throw something and feed every day water earthworm and mash feed mixture 6 times, reduce water earthworm number of times of throwing something and feeding to 1 time, throw something and feed noon；
Individual slightly smaller still use the stage to throw something and feed mode, throw something and feed carrying out turning food after adapting to mixed feed；
(8), after 56d, water earthworm and mash feed mixture are substituted with microcapsule feedstuff, according to acipenser dabryanus size feelings
Condition, reduces and throws something and feeds frequency, throw something and feed every day 4 times, and the water earthworm 1 time of ensureing to throw something and feed every day；After throwing something and feeding, 1h sucking-off is residual
Bait, removes contamination 1 every day；
(9) 84d, screens size, acipenser dabryanus good for growing state phases out into outdoor flowing water pond and raises.
Before described water earthworm is thrown something and fed, first mince, soak 5min with the saline solution of 1-3%, after use PVP-I
Soak 10min, throw something and feed after cleaning 2-3 time.
Acipenser dabryanus seed opening that the present invention provides and acclimation method, by control acipenser dabryanus spray opening opportunity and
Seed acclimatization culture method of operating, and use different size, the bait of different cultivars to throw according to different times
Hello, it is ensured that during acipenser dabryanus seed rearing, bait enriches, and ambient stable decreases the generation of disease, solves
Scale seed rearing, tame main restrictive factor, and improve acipenser dabryanus aperture opening ratio, the speed of growth and survival
Rate.
Detailed description of the invention
It is described in conjunction with the embodiments the specific embodiment of the invention.
Acipenser dabryanus seed opening and acclimation method, comprise the following steps:
(1), after treating acipenser dabryanus spray cluster or flat trip, from incubator, the cultivation of diameter 1m or 2m is transferred to
Basin is supported temporarily, basin uses water body miniflow water, maintains water temperature at 20 DEG C ± 0.5 DEG C；
(2) after 7d, observe melanin deposition situation in acipenser dabryanus enteron aisle, treat that melanin deposition is to enteron aisle end
Dividing basin to raise acipenser dabryanus during end, cultivation density is 5000 tails/m2；Breeding container uses indoor micro-flowing water culture；
Throwing something and feeding foodstuff, bait is to have supported the water earthworm of more than 7d in flowing water pond in groove temporarily or with plankton,
Every day 2 times, the residual bait of sucking-off after the 1h that throws something and feeds, remove contamination every day 1 time；
(3) 3-5d is interior subsequently observes acipenser dabryanus melanin discharge situation in Breeding container, treats most acipenser dabryanus enteron aisle
After emptying, increase water earthworm and throw something and feed frequency, throw something and feed every day 4 times, the residual bait of sucking-off after the 1h that throws something and feeds, remove contamination 1 every day
Secondary；
(4) after 7d, along with the growth of acipenser dabryanus prelarva, it is gradually increased the length of water earthworm, and increase is thrown something and fed
Frequency, throws something and feeds 6 every day, and the residual bait of sucking-off after the 1h that throws something and feeds is removed contamination 1 every day；
(5), after feeding water earthworm 21-28d, throw something and feed with mash feed mixture with the water earthworm minced, every day
Throw something and feed 1-2 time, and after 1h, increase water earthworm of throwing something and feeding；Ensure to throw something and feed during this water earthworm 6 times, water earthworm of throwing something and feeding
The residual bait of sucking-off after 1h, removes contamination 1 every day；
(6) 28-42d, increases the frequency of throwing something and feeding of water earthworm and mash feed mixture, reduces water earthworm and throws something and feeds
Number of times, throw something and feed every day water earthworm and mash feed mixture 4 times, water earthworm 2 times, and observe acipenser dabryanus ight soil shape
State, color；The residual bait of 1h sucking-off after throwing something and feeding, removes contamination 1 every day；
(7), after 42d, acipenser dabryanus size is carried out a point basin, individual acipenser dabryanus slightly larger, that adapt to mixed feed,
Throw something and feed every day water earthworm and mash feed mixture 6 times, reduce water earthworm number of times of throwing something and feeding to 1 time, throw something and feed noon；
Individual slightly smaller still use the stage to throw something and feed mode, throw something and feed carrying out turning food after adapting to mixed feed；
(8), after 56d, water earthworm and mash feed mixture are substituted with microcapsule feedstuff, according to acipenser dabryanus size feelings
Condition, reduces and throws something and feeds frequency, throw something and feed every day 4 times, and the water earthworm 1 time of ensureing to throw something and feed every day；After throwing something and feeding, 1h sucking-off is residual
Bait, removes contamination 1 every day；
(9) 84d, screens size, acipenser dabryanus good for growing state phases out into outdoor flowing water pond and raises.
Before described water earthworm is thrown something and fed, first mince, soak 5min with the saline solution of 1-3%, after use PVP-I
Soak 10min, throw something and feed after cleaning 2-3 time.
Comparative example 1 uses tradition to throw something and feed the single bait of water flea, and comparative example 2 uses the single bait of water earthworm of throwing something and feeding.Right
Ratio 1 and comparative example 2 contrast with the nursing result of the present invention, result such as following table.
Table 1 comparative example and embodiment are thrown something and fed Comparative result table
It is as shown in the table, use this patent recommend method as acipenser dabryanus opening acclimation method, its final speed of growth
Throw something and feed mode apparently higher than tradition, and the survival ratio tradition mode of throwing something and feeding exceeds 28%-38%.
Claims (2)
1. acipenser dabryanus seed opening and acclimation method, it is characterised in that comprise the following steps:
(1) after treating acipenser dabryanus spray cluster or flat trip, transfer to the cultivation basin of diameter 1m or 2m is supported temporarily from incubator, basin uses water body miniflow water, maintains water temperature at 20 DEG C ± 0.5 DEG C；
(2) after 7d, observing melanin deposition situation in acipenser dabryanus enteron aisle, divide basin to raise acipenser dabryanus when melanin deposition to Di, cultivation density is 5000 tails/m2；Breeding container uses indoor micro-flowing water culture；
Throwing something and feeding foodstuff, bait is to have supported the water earthworm of 7 more than d in flowing water pond in groove temporarily or with plankton, every day 2 times, the residual bait of sucking-off after the 1h that throws something and feeds, and removes contamination every day 1 time；
(3) 3-5d is interior subsequently observes acipenser dabryanus melanin discharge situation in Breeding container, and after most acipenser dabryanus enteron aisle empties, water earthworm is thrown something and fed 4 times every day, and the residual bait of sucking-off after the 1h that throws something and feeds is removed contamination 1 every day；
(4) after 7d, along with the growth of acipenser dabryanus prelarva, it is gradually increased the length of water earthworm, throws something and feeds every day 6 times, the residual bait of sucking-off after the 1h that throws something and feeds, remove contamination every day 1 time；
(5) after feeding water earthworm 21-28d, throwing something and feeding with mash feed mixture with the water earthworm minced, every day throws something and feeds 1-2 time, and water earthworm of throwing something and feeding after 1h, and every day feeds water earthworm 6 times, and the residual bait of sucking-off after the water earthworm 1h that throws something and feeds is removed contamination 1 every day；
(6) in 28-42d, throw something and feed every day water earthworm and mash feed mixture 4 times, water earthworm 2 times, the residual bait of 1h sucking-off after throwing something and feeding, remove contamination every day 1 time；
(7) after 42d, acipenser dabryanus size carrying out a point basin, individual acipenser dabryanus slightly larger, that adapt to mixed feed, throw something and feed every day water earthworm and mash feed mixture 6 times, water earthworm is thrown something and fed 1 time, throws something and feeds noon；Individual slightly smaller still use the stage to throw something and feed mode, throw something and feed carrying out turning food after adapting to mixed feed；
(8), after 56d, substitute water earthworm and mash feed mixture with microcapsule feedstuff, throw something and feed every day 4 times, the water earthworm 1 time of throwing something and feeding every day；The residual bait of 1h sucking-off after throwing something and feeding, removes contamination 1 every day；
(9) 84d, screens size, acipenser dabryanus good for growing state phases out into outdoor flowing water pond and raises.
Acipenser dabryanus seed opening the most according to claim 1 and acclimation method, it is characterised in that before described water earthworm is thrown something and fed, first mince, soak 5min with the saline solution of 1-3%, after soak 10min with PVP-I, throw something and feed after cleaning 2-3 time.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104756920B (en) * | 2015-04-21 | 2017-03-15 | 中国水产科学研究院黑龙江水产研究所 | Huso huso raun and Amur Sturgeon milter hybrid breeding method |
| CN107318721A (en) * | 2017-08-04 | 2017-11-07 | 安徽省泾县丰瑞水产科技有限公司 | A kind of sturgeon seed live body open-mouthed bait breeding method |
| CN107318714A (en) * | 2017-08-04 | 2017-11-07 | 安徽省泾县丰瑞水产科技有限公司 | A kind of sturgeon seed domestication turns food method |
| CN116369250B (en) * | 2023-03-16 | 2023-12-12 | 中国长江三峡集团有限公司中华鲟研究所 | Acipenser dabryanus feeding training method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1748488A (en) * | 2004-09-15 | 2006-03-22 | 中国科学院海洋研究所 | The mandarin sturgeon seawater acclimation method |
| CN102845649A (en) * | 2012-09-28 | 2013-01-02 | 中国长江三峡集团公司中华鲟研究所 | Special granular feed for young acipenser dabryanus and preparation method thereof |
| CN103329830A (en) * | 2013-07-12 | 2013-10-02 | 中国水产科学研究院长江水产研究所 | Wild-training method for improving feeding ability of released Acipenser dabryanus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120184001A1 (en) * | 2009-05-15 | 2012-07-19 | LiveFuels, Inc. | Systems and methods for sustainable aquaculture |
| US7958848B2 (en) * | 2009-05-30 | 2011-06-14 | Mahmoud Bahmani | Method for artificial breeding of farmed sturgeon |
| US8820266B2 (en) * | 2011-02-28 | 2014-09-02 | Maricultura Vigas S.A.P.I. De C.V. | Method and system for aquaculture |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1748488A (en) * | 2004-09-15 | 2006-03-22 | 中国科学院海洋研究所 | The mandarin sturgeon seawater acclimation method |
| CN102845649A (en) * | 2012-09-28 | 2013-01-02 | 中国长江三峡集团公司中华鲟研究所 | Special granular feed for young acipenser dabryanus and preparation method thereof |
| CN103329830A (en) * | 2013-07-12 | 2013-10-02 | 中国水产科学研究院长江水产研究所 | Wild-training method for improving feeding ability of released Acipenser dabryanus |
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| Title |
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| 达氏鲟亲鱼池塘人工培育试验;杜军等;《西南农业学报》;20090331;第22卷(第3期);第825-827页 * |
| 达氏鲟全人工繁殖技术研究;龚全等;《西南农业学报》;20130430;第26卷(第4期);全文 * |
| 达氏鲟的资源现状及研究进展;鲁雪报等;《水产科技情报》;20120531;第39卷(第5期);第251-253页 * |
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