CN101720700B - Method for incubating pelteobagrus fulvidraco fry efficiently in small water body - Google Patents

Method for incubating pelteobagrus fulvidraco fry efficiently in small water body Download PDF

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Publication number
CN101720700B
CN101720700B CN200910229080A CN200910229080A CN101720700B CN 101720700 B CN101720700 B CN 101720700B CN 200910229080 A CN200910229080 A CN 200910229080A CN 200910229080 A CN200910229080 A CN 200910229080A CN 101720700 B CN101720700 B CN 101720700B
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water
hatching
fish
incubating
water body
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CN101720700A (en
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杨广
刘金兰
孙文君
董少杰
齐红莉
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Jinsha River is rich in biological science and technology limited liability company
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Tianjin Agricultural University
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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

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Abstract

The invention relates to a method for incubating pelteobagrus fulvidraco fry in a small water body. In the method, an appropriate environmental condition is created according to biological properties of oosperms of pelteobagrus fulvidraco, and a flowing water body is provided according to the demand of the oosperms on dissolved oxygen in water so as to form a set of method for incubating the pelteobagrus fulvidraco fry efficiently by matching with other technical measures. In the method, water quality is regulated and controlled, namely the dissolved oxygen is controlled over 5mg/L, and the water temperature is controlled between 24 and 27 DEG C; the flowing water environment is provided uninterruptedly to meet the demand of the oosperms on the dissolved oxygen in the water, and metabolic products are removed; net sheets are adopted as fish nests, the roe density is adjusted, and the quiet incubating environment is provided to reduce a stress reaction of the incubated pelteobagrus fulvidraco fry; and a disinfectant is splashed periodically towards the water body of an incubating basin to kill pathogenic microorganisms and improve the hatchability of the oosperms. The method is mainly suitable for incubating the pelteobagrus fulvidraco fry efficiently in the small water body, and can be applied to artificial incubation of the roes of the pelteobagrus fulvidraco and other sticky roes.

Description

A kind of method of efficiently in small water body hatching yellow cartfish seedling
Technical field
The invention belongs to the fish culture technical field.Be particularly related to a kind of method of efficiently in small water body hatching yellow cartfish seedling.
Background technology
Yellow cartfish be dwell at the end, predacious fish, extensively be present in China's fresh water water body, be a kind of medium-sized high-quality economic fish.The bright thorn of yellow cartfish meat less, matter delicacy, no fishlike smell, delicious U.S.A, be of high nutritive value, tonic effect is not only arranged, and also has certain medical value, at home and abroad market is well received, is always regarded as high-level fish, also is the improved seeds of exporting goods and earning foreign currency.
In natural water area, yellow catfish growing speed is slower, and the listing specification is little, so supply falls short of demand for the fresh and alive fish of big specification, has promoted yellow cartfish to propagate the development of industry artificially to a certain extent.Simultaneously, the foster yellow cartfish of cover also has certain Ecology Action in the freshwater aquiculture pond: can effectively eliminate wild fishes, reduce the main oxygen of striving of breeding fish is striven food, improve pond yields and economic benefit; The yellow cartfish copepod larva in the anchor head Sao that colonizes in the fish body surface and the water that can also eat reduces growing of fish disease, is that main growth of breeding fish provides good environment.Yellow cartfish can be restrained oneself lower dissolved oxygen environment, be easy to culture, therefore, people to yellow cartfish to propagate enthusiasm artificially constantly surging, its seedling demand is also increased year by year.
Summary of the invention
The method that the purpose of this invention is to provide a kind of efficiently in small water body hatching yellow cartfish seedling.This method is created the adapt circumstance condition according to the biological property of yellow cartfish fertilized egg, according to its demand to oxygen in water current water is provided, and cooperates other technical measures to form a cover yellow cartfish height of seedling and imitates hatching m.Can be applied to the artificial incubation of yellow cartfish and other product viscid egg fish oosperm.
Particular content of the present invention is:
L, efficiently in small water body hatching yellow cartfish seedling-growing method is characterized in that: comprise following operating procedure:
1. regulate and control the water source: dissolved oxygen is more than 5mg/L, and water temperature is at 24~27 ℃;
2. quiet environment of hatching is provided;
3. use the suitable fish nest, the adjustment cultivation density evenly adheres to fish-egg;
4. control water volume flow rate, effectively get rid of the fertilized egg metabolite;
5. utilize disinfecting drug control saprolegniasis.
Step specific requirement 1. is: source quality satisfies the freshwater aquiculture water quality requirement; High-order feed cistern volume satisfies the uninterrupted water needs of hatching basin, and high-order feed cistern adopts the fan blower oxygenation, establishes 1 pneumatic head for every square metre; Keep the water body dissolved oxygen more than 5mg/L, water temperature is controlled at 24~27 ℃.
Step specific requirement 2. is: the hatching workshop is at secluded, shady and cool place (lucifuge), and container is plastics or fiberglass hatching basin, and color is a Dark grey, and size is at 0.04m 3/ individual, the depth of water is at 15cm;
Step specific requirement 3. is: adopt the circular net sheet to make the fish nest, the net sheet be 80 orders/centimetre 2, round wire delineation type, diameter 56cm; The fish nest is flat on 2cm place, underwater; Fish-egg density: 20000~30000 tails/basin, fish-egg are uniformly distributed in fish nest one side;
Step specific requirement 4. is: hatching is established intake-discharge pipe in the basin, the top layer water inlet, and the bottom draining, and have and anti-ly escape guard and avoid fry to escape downstream; The water inlet flow velocity is 2L/min.
Step specific requirement 5. is: use the tetraalkyl ammonium salt chelated iodine to make disinfectant, once a day, hatch each consumption 0.3~0.5ml/m to fry 3
Characteristics of the present invention are:
The present invention takes the multiple technologies measure, suitable environment of hatching and scientific and reasonable operational administrative is provided for the yellow cartfish ovum, utilizes little water body, and the yellow cartfish seed of the healthy high-quality of High-efficient Production is improved incubation rate, reduces the hatching cost.
This method is created suitable environment of hatching according to the biological property of yellow cartfish ovum, according to its demand to dissolved oxygen the water body environment of sufficient dissolved oxygen is provided, combine other technical measures such as blowdown form one overlap the artificial incubation of yellow cartfish ovum method.Regulation and control water quality: dissolved oxygen is more than 5mg/L, and water temperature is at 24~27 ℃; Adjustment fish-egg density, the stress reaction that provides quiet environment of hatching to reduce the yellow cartfish spray of hatching improves survival rate of fish fry; Flowing water environment uninterruptedly is provided, satisfies the demand of fertilized egg, and get rid of metabolite the water body dissolved oxygen; The disinfectant killing microorganism of regularly in water body, splashing improves the fertilized egg hatching rate.This method mainly is applicable to efficiently in small water body hatching yellow cartfish seedling.Can be applied to the artificial incubation of yellow cartfish and other viscosity fish-egg.
Embodiment:
A kind of efficiently in small water body hatching yellow cartfish seedling-growing method: comprise following operating procedure:
1. control water condition: source quality satisfies the freshwater aquiculture water quality requirement; High-order feed cistern volume satisfies the uninterrupted water needs of hatching basin, and high-order feed cistern adopts the fan blower oxygenation, establishes 1 pneumatic head for every square metre; Keep the water body dissolved oxygen more than 5mg/L, water temperature is controlled at 24~27 ℃.
2. quiet environment of hatching is provided: the hatching workshop is at secluded, shady and cool place (lucifuge), and container is plastics or fiberglass hatching basin, and color is a Dark grey, and size is at 0.04m 3/ individual, the depth of water is at 15cm;
3. use the suitable fish nest, the adjustment cultivation density evenly adheres to fish-egg: adopt the circular net sheet to make the fish nest, the net sheet be 80 orders/centimetre 2, round wire delineation type, diameter 56cm; The fish nest is flat on 2cm place, underwater; Fish-egg density: 20000~30000 tails/basin, fish-egg are uniformly distributed in fish nest one side;
4. control water volume flow rate, effectively get rid of the fertilized egg metabolite: hatching is established intake-discharge pipe in the basin, the top layer water inlet, bottom draining, and have and anti-ly escape guard and avoid fry to escape downstream, the guard mesh be 120 orders/centimetre 2The water inlet flow velocity is 2L/min.
5. utilize disinfecting drug control saprolegniasis: use the tetraalkyl ammonium salt chelated iodine to make disinfectant, once a day, hatch each consumption 0.3~0.5ml/m to fry 3
Use-case:
1, Tianjin carp breeding test site
Utilize the freshwater aquiculture yellow cartfish, use method hatching yellow cartfish fertilized egg of the present invention, the artificial insemination mode is bred 120 groups of yellow cartfish parent populations, and artificial insemination laggard pedestrian worker hatch, and do contrast (concrete condition is seen table 1) with traditional breeding way.
The table 1 yellow cartfish fertilized egg artificial incubation situation table of comparisons
Index Hatching pattern of the present invention The tradition hatching pattern
The fertilized egg number 135000 129000
The number of emerging 117000 87000
Incubation rate 87% 67.4%
2, the climing aquatic science and technology in Pu, Tianjin development centre
Utilize the freshwater aquiculture yellow cartfish, use method hatching yellow cartfish fertilized egg of the present invention, the artificial insemination mode is bred 120 groups of yellow cartfish parent populations, and the laggard pedestrian worker's hatching of artificial insemination is with traditional breeding way contrast (concrete condition is seen table 2).
The table 2 yellow cartfish fertilized egg artificial incubation situation table of comparisons
Index Hatching pattern of the present invention The tradition hatching pattern
The fertilized egg number 128000 120000
The number of emerging 109000 87000
Incubation rate 85.5% 72.3%

Claims (1)

1. an efficiently in small water body is hatched the yellow cartfish seedling-growing method, it is characterized in that: comprise following operating procedure:
1. regulate and control the water source: source quality satisfies the freshwater aquiculture water quality requirement; High-order feed cistern volume satisfies the uninterrupted water needs of hatching basin, and high-order feed cistern adopts the fan blower oxygenation, establishes 1 pneumatic head for every square metre; Keep the water body dissolved oxygen more than 5mg/L, water temperature is controlled at 24~27 ℃;
2. quiet environment of hatching is provided; Specific requirement is: the hatching workshop is lucifuge at secluded, shady and cool place, and container is plastics or fiberglass hatching basin, and color is a Dark grey, and size is at 0.04m 3/ individual, the depth of water is at 15cm;
3. use the suitable fish nest, the adjustment cultivation density evenly adheres to fish-egg; Specific requirement is: adopt the circular net sheet to make the fish nest, the net sheet be 80 orders/centimetre 2, round wire delineation type, diameter 56cm; The fish nest is flat on 2cm place, underwater; Fish-egg density: 20000~30000 tails/basin, fish-egg are uniformly distributed in fish nest one side;
4. control water volume flow rate, effectively get rid of the fertilized egg metabolite; Specific requirement is: hatching is established intake-discharge pipe in the basin, the top layer water inlet, and the bottom draining, and have and anti-ly escape guard and avoid fry to escape downstream; The water inlet flow velocity is 2L/min;
5. utilize disinfecting drug control saprolegniasis; Specific requirement is: utilize disinfecting drug control saprolegniasis: use the tetraalkyl ammonium salt chelated iodine to make disinfectant, once a day, hatch each consumption 0.3~0.5ml/m to fry 3
CN200910229080A 2009-12-10 2009-12-10 Method for incubating pelteobagrus fulvidraco fry efficiently in small water body Expired - Fee Related CN101720700B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102578018A (en) * 2012-03-19 2012-07-18 武汉百瑞生物技术有限公司 Intensive fry breeding system of Pelteobagrus fulvidraco
CN105706982B (en) * 2016-03-07 2019-02-26 山东景明海洋科技有限公司 A kind of nest soil that yellow forehead egg hatching rate can be improved
CN105766711B (en) * 2016-03-07 2019-03-26 怀远县渔业科技发展有限责任公司 A kind of preparation method for the nest soil that yellow forehead egg hatching rate can be improved
CN110771542A (en) * 2019-12-05 2020-02-11 南京坤泰农业发展有限公司 Breeding method for improving fry hatchability

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1202708C (en) * 2001-12-14 2005-05-25 辽宁省淡水水产研究所 Large-scale artificial breeding technology for yellow cartfish
CN101263793A (en) * 2008-04-18 2008-09-17 沈阳华泰渔业有限公司 Artificial propagation method for advanced fry of yellow catfish

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1202708C (en) * 2001-12-14 2005-05-25 辽宁省淡水水产研究所 Large-scale artificial breeding technology for yellow cartfish
CN101263793A (en) * 2008-04-18 2008-09-17 沈阳华泰渔业有限公司 Artificial propagation method for advanced fry of yellow catfish

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
严维辉、唐建清.黄颡鱼受精卵的人工孵化技术.<<渔业致富指>>.2004,第36页至第37页续转部分. *

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