CN102630623A - Fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water - Google Patents

Fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water Download PDF

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Publication number
CN102630623A
CN102630623A CN2012101402900A CN201210140290A CN102630623A CN 102630623 A CN102630623 A CN 102630623A CN 2012101402900 A CN2012101402900 A CN 2012101402900A CN 201210140290 A CN201210140290 A CN 201210140290A CN 102630623 A CN102630623 A CN 102630623A
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China
Prior art keywords
incubation
big
silverfish
artificial
transplantation
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CN2012101402900A
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Chinese (zh)
Inventor
尤洋
周彦锋
胡庚东
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
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Application filed by Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences filed Critical Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
Priority to CN2012101402900A priority Critical patent/CN102630623A/en
Publication of CN102630623A publication Critical patent/CN102630623A/en
Pending legal-status Critical Current

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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

Abstract

The invention discloses a fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water. The method comprises steps of parent fish selection, artificial insemination, artificial incubation, incubation management and the like. According to the method, the incubation time of fertilized ovum is prolonged by control of the incubation temperature; the fish fry introduction time point is in the period that the water has a high initial feed abundance, so as to avoid the technical problem of low survival rate caused by insufficient initial feed if the fish fry is introduced too early, and ensure that the commercial fry rate and the deformity rate of artificial incubation under a low temperature are the same as those under a common incubation condition. The method is simple to operate; the success rate of transplantation of Protosalanx hyalocranius to high latitude northern water is increased; and the fishery economic benefit for northern water in the area is increased.

Description

The seedling-cultivating method that the big silverfish of a kind of suitable high latitude north water body is transplanted
Technical field
The present invention relates to a kind of Technique in Fishes raising technology field, particularly relate to the seedling-cultivating method that the big silverfish of a kind of suitable high latitude north water body is transplanted.
Background technology
Big silverfish (Protosalanx hyalocranius Abbott) be the bigger annual high-quality fish of individuality in the Salangidae, delicious meat, stingless, protein content is high, has very high fishery and is worth; Because of its fast growth, fertility is strong simultaneously, is the good kind that lake, reservoir are transplanted propagation.The fertilized egg of transplanting artificial insemination is generally adopted in the transplanting of big silverfish, and the big silverfish fertilized egg nature incubation period is generally March in Taihu Lake, and the population quantity of prelarva open-mouthed bait (wheel animalcule etc.) maintains annual reduced levels in the natural water.The northern water body water temperature in March of high latitude is lower; Unsuitable planktonic growth; The population quantity of prelarva open-mouthed bait (wheel animalcule etc.) is equally at annual reduced levels, and the prelarva open-mouthed bait is not enough in this time period water body, can cause problems such as big silverfish graft failure or individual then specification be less than normal.And when big silverfish natural openings bait was sufficient in the northern water body of high latitude, because of having missed the conventional time of cultivating Protosalanx hyalocranius fingerlings, Protosalanx hyalocranius fingerlings was difficult to seek on the market, thereby had increased the difficulty that big silverfish is transplanted.Therefore how to provide to be fit to the Protosalanx hyalocranius fingerlings that northern low temperature water body is transplanted, improve the big silverfish transplanting succeed rate of northern low temperature water body, and then raising water body fishery economic benefit becomes the problem that presses for solution.
Summary of the invention
The present invention is the seedling-cultivating method of big silverfish under a kind of cryogenic conditions; Utilize the control incubation temperature to prolong the incubating oosperm time; Make and throw the seedling time and be in water body middle open bait abundance higher period, the low technical problem of survival rate of having avoided too early throwing seedling open-mouthed bait deficiency to cause.Effectively improve the success rate that the big silverfish of northern water body is transplanted, and then improve the economic benefit of northern high salinity water body fishery.
The present invention adopts following technical scheme for realizing above-mentioned purpose:
The seedling-cultivating method that the big silverfish of a kind of suitable high latitude north water body is transplanted comprises the steps:
1. parent population is selected:
The big preferably silverfish of sexual maturity that the parent population selection is healthy, specification is big, enteron aisle does not have food, female-male proportion is 1:2.
2. artificial insemination:
Utilize conventional extrusion to carry out big silverfish artificial insemination.Push the genital atriium position of big silverfish gently, the tissue part that fast the male and female parent population is squeezed out puts on the skin each other gently and smears, and changes a milter then and does 1 time again; At last, 3 parent populations are put into swing gently in the insemination container, fertilized egg is stayed in the insemination container.
3. artificial incubation:
In big silverfish transplantation of fertilized egg Cultivation container.Pour an amount of saline and alkaline in the Cultivation container into for transplanting the solution in waters 1/5.Hatching density is 1500/L.
4. hatching management:
Control water temperature in the hatching process, make water temperature remain on 2-4 ℃ always, optimum water temperature is 3 ℃ ± 0.5 ℃.When experiment proof hatching water temperature remains on 2-4 ℃.Can big silverfish brooding time be extended to 30-45 days, the emergence rate of artificial incubation is consistent down with normal incubation condition with abnormal rate under the low temperature simultaneously.
The present invention utilizes the control incubation temperature to prolong the incubating oosperm time, makes to throw the seedling time and be in water body middle open bait abundance higher period, the low technical problem of survival rate of having avoided too early throwing seedling open-mouthed bait deficiency to cause.The emergence rate that has guaranteed artificial incubation under the low temperature simultaneously is consistent down with normal incubation condition with abnormal rate; This invention is simple to operate, can improve the success rate that the big silverfish of northern water body is transplanted, and promotes the fishery economic benefit of this area's water body preferably.
Embodiment
The seedling-cultivating method that the big silverfish of a kind of suitable high latitude north water body is transplanted comprises the steps:
1. parent population is selected:
The big preferably silverfish of sexual maturity that the parent population selection is healthy, specification is big, enteron aisle does not have food, female-male proportion is 1:2.
2. artificial insemination:
Utilize conventional extrusion to carry out big silverfish artificial insemination.Push the genital atriium position of big silverfish gently, the tissue part that fast the male and female parent population is squeezed out puts on the skin each other gently and smears, and changes a milter then and does 1 time again; At last, 3 parent populations are put into swing gently in the insemination container, fertilized egg is stayed in the insemination container.
3. artificial incubation:
In big silverfish transplantation of fertilized egg Cultivation container.Pour an amount of saline and alkaline in the Cultivation container into for transplanting the solution in waters 1/5.Hatching density is 1500/L.
4. hatching management:
Control water temperature in the hatching process, make water temperature remain on 2-4 ℃ always, optimum water temperature is 3 ℃ ± 0.5 ℃.When experiment proof hatching water temperature remains on 2-4 ℃.Can big silverfish brooding time be extended to 30-45 days, the emergence rate of artificial incubation is consistent down with normal incubation condition with abnormal rate under the low temperature simultaneously.
The present invention utilizes the control incubation temperature to prolong the incubating oosperm time, makes to throw the seedling time and be in water body middle open bait abundance higher period, the low technical problem of survival rate of having avoided too early throwing seedling open-mouthed bait deficiency to cause.The emergence rate that has guaranteed artificial incubation under the low temperature simultaneously is consistent down with normal incubation condition with abnormal rate; This invention is simple to operate, can improve the success rate that the big silverfish of northern water body is transplanted, and promotes the fishery economic benefit of this area's water body preferably.

Claims (2)

1. the seedling-cultivating method that the big silverfish of suitable high latitude north water body is transplanted comprises the steps:
(1) parent population is selected:
The big preferably silverfish of sexual maturity that the parent population selection is healthy, specification is big, enteron aisle does not have food, female-male proportion is 1:2;
(2) artificial insemination:
Utilize conventional extrusion to carry out big silverfish artificial insemination; Push the genital atriium position of big silverfish gently, the tissue part that fast the male and female parent population is squeezed out puts on the skin each other gently and smears, and changes a milter then and does 1 time again; At last, 3 parent populations are put into swing gently in the insemination container, fertilized egg is stayed in the insemination container;
(3) artificial incubation:
In big silverfish transplantation of fertilized egg Cultivation container, pour an amount of saline and alkaline in the Cultivation container into for transplanting the solution in waters 1/5, hatching density is 1500/L;
(4) hatching management:
Control water temperature in the hatching process, make water temperature remain on 2-4 ℃ always, can big silverfish brooding time be extended to 30-45 days, the emergence rate of artificial incubation is consistent down with normal incubation condition with abnormal rate under the low temperature simultaneously.
2. the seedling-cultivating method that the big silverfish of a kind of suitable high latitude north water body according to claim 1 is transplanted, it is characterized in that: the hatching water temperature is 3 ℃ ± 0.5 ℃ in the said step (4).
CN2012101402900A 2012-05-09 2012-05-09 Fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water Pending CN102630623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101402900A CN102630623A (en) 2012-05-09 2012-05-09 Fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101402900A CN102630623A (en) 2012-05-09 2012-05-09 Fish fry culture method applicable for Protosalanx hyalocranius transplantation in high latitude northern water

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CN102630623A true CN102630623A (en) 2012-08-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104255616A (en) * 2014-10-14 2015-01-07 中国水产科学研究院淡水渔业研究中心 Method for increasing hatching rate of transplantation in other areas of fertilized ova of protosalanx hyalocranius

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101218899A (en) * 2008-01-28 2008-07-16 杨欣 Telegenesis and oosperm hatching technique for whitebait
CN101243778A (en) * 2008-03-19 2008-08-20 中国水产科学研究院淡水渔业研究中心 Method for cultivating Protosalanx hyalocranius fingerlings
CN102283141A (en) * 2010-06-21 2011-12-21 单峻峰 Method for improving survival rate of indoor hatched fingerlings of whitebait germ cells

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101218899A (en) * 2008-01-28 2008-07-16 杨欣 Telegenesis and oosperm hatching technique for whitebait
CN101243778A (en) * 2008-03-19 2008-08-20 中国水产科学研究院淡水渔业研究中心 Method for cultivating Protosalanx hyalocranius fingerlings
CN102283141A (en) * 2010-06-21 2011-12-21 单峻峰 Method for improving survival rate of indoor hatched fingerlings of whitebait germ cells

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Title
尤洋等: "运用正交设计法检验盐度和碱度对大银鱼的联合毒性", 《青海大学学报》 *
徐长峰等: "水库大银鱼人工增殖技术", 《中国水产》 *
戈志强: "不同盐碱度对大银鱼受精卵孵化和仔鱼存活的影响", 《水利渔业》 *
敖礼林等: "银鱼大水面的人工移殖", 《特种经济动植物》 *
骆洪: "银鱼人工移植增殖简易操作技术", 《现代农业科技》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104255616A (en) * 2014-10-14 2015-01-07 中国水产科学研究院淡水渔业研究中心 Method for increasing hatching rate of transplantation in other areas of fertilized ova of protosalanx hyalocranius

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Application publication date: 20120815