CN1079192C - Production of hybrid fingerling for high-yield crucian carp - Google Patents
Production of hybrid fingerling for high-yield crucian carp Download PDFInfo
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- CN1079192C CN1079192C CN99117179A CN99117179A CN1079192C CN 1079192 C CN1079192 C CN 1079192C CN 99117179 A CN99117179 A CN 99117179A CN 99117179 A CN99117179 A CN 99117179A CN 1079192 C CN1079192 C CN 1079192C
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Abstract
The present invention relates to an artificial seed production method for high-yield crucian carp, which comprises the steps: selecting female individuals from a pengze crusian group with the proportion of females to males greater than or equal to 10: 1 as a female parent; selecting male individuals of wild sharp-fin carp or first filial generation of sharp-fin carp from a bred wild group as a male parent; adopting the processes of artificial spawning induction, fecundation and incubation to produce high-yield crucian fish fries. The present invention utilizes wild external sperm to produce first filial generation with obvious growing superiority and strong adaptability; the growth speed of the high-yield crucian fish fries is 15 to 30% faster than that of pengze crucian carp and 6 to 12% faster than that of baihua crucian carp. The present invention has simple operation and is suitable for mass production.
Description
The present invention relates to the fish culture technology, relate to utilize the allogynogenesis technology to culture fertility crucian fry in more detail with obvious growth vigor.
In order to improve the growth rate of crucian, prior art utilizes the allos sperm growth effects of crucian gynogenesis filial generation to be cultivated the new lines of quick growth---hybridized prussian carp and all sorts of flowers crucian carp, and its producing method for seed is:
1, the production of hybrid seeds of hybridized prussian carp
The female individuals of selecting upright pond crucian carp is for maternal, and the male of the red carp of selecting to make the country prosperous is a male parent, produces the hybridized prussian carp fry by artificial induced spawning, fertilization, hatching.
2, the production of hybrid seeds of all sorts of flowers crucian carp
Selective staining body number be 166 Pengzhe fish female individuals for maternal, the male of selecting white crucian carp or red carp is a male parent, produces all sorts of flowers carp fry by artificial induced spawning, fertilization, hatching.
There is following shortcoming in the method that existing employing allogynogenesis technology is produced growth filial generation fast:
1, in the selection of external source sperm, is confined to propagate artificially kind, there are the following problems: at first, owing to propagate fish artificially in long-term breeding process, because of being subjected to inbrde restriction, the phenomenon that can exist germ plasm resource to degenerate, culturing time is long more, and degradation phenomena is serious more, makes its due growth vigor can not get embodying preferably; Secondly, provide the external source sperm, during the allogynogenesis first filial generation that produced, might produce the lopsided offspring of higher proportion, influenced the application in production with the long-term fish of culturing of this class.
2, will carry out chromosome earlier to the female parent of Pengzhe fish and identify, having only chromosome number is that 166 individuality could adopt.Thisly female parent is carried out the test that chromosome identifies to finish by research unit in laboratory, large-scale production is had suitable restrictive function undoubtedly.
At present the variety problem of crucian cultivation has become one of major issue that the obstacle crucian cultivation already develops, and the fish culture family presses for the new object of how good crucian cultivation.
The objective of the invention is to defective at the prior art existence, a kind of artificial seed's method of fertility crucian is provided, this method need not be selected the external source sperm from culture fish, needn't adopt the chromosome authentication method to select female parent, can cultivate the first filial generation with obvious growth vigor---fertility crucian, simple and practical, help large-scale production.
Artificial seed's method of fertility crucian of the present invention is as follows: select female: the female individuals in male＞=Pengzhe fish colony of 10: 1 is as female parent; Selecting the male in the first filial generation tip fin carps of wild stocks of wild tip fin carps or breed is male parent; Produce the fertility crucian fry by artificial induced spawning, fertilization, hatching.
The artificial induced spawning here is general, promptly in mating season, when water temperature reaches more than 16 ℃, to this injection of the father and mother oxytocic hormone that chooses.Fertilization is meant by artificial dry method or wet method to obtain fertilized egg, and the father and mother that perhaps will inject oxytocic hormone originally put into same water body spawning and fertilization acquisition fertilized egg voluntarily.Hatching is meant that fertilized egg is attached on the adhesion hatches in hydrostatic or miniflow water, also can be with flowing water hatching in circuit after the fertilized egg unsticking.
As seen, artificial seed's method of fertility crucian of the present invention, in the selection of external source sperm, break through the circle constraint of cultured fishes, directly from wild fish, select suitable external source sperm supplier, this has just overcome the defective that prior art exists, and makes the growth vigor of allogynogenesis first filial generation be guaranteed; Simultaneously, suitable wild fish has and enriches variable gene pool, combines with female parent that to produce complementary effect stronger, thereby can obtain more significantly first filial generation of growth vigor.In female Pengzhe fish parent's selection, must not adopt chromosome to identify, but with the female and male ratio of colony as selecting index, both selected female: male＞=Pengzhe fish colony of 10: 1 is as female parent's source.
The present invention compared with prior art has following advantage:
1, the present invention provides the external source sperm from wild kind, can produce the first filial generation with obvious growth vigor and strong adaptive capacity;
Show by Tong Tang and branch pool comparative trial that 2, the fertility crucian seedling current growth speed of producing with the inventive method is than the fast 15-30% of Pengzhe fish, than all sorts of flowers crucian carp fast 6-12%;
3, artificial seed of the present invention is simple to operate, and particularly female parent's identification and selection easy to perform is fit to large-scale production.
4, the fertility crucian of the inventive method production is not only grown soon, and adaptability is strong, premunition is strong, economic benefit and obvious social benefit.
Below by embodiment the present invention is done further narration.
Embodiment 1
In December, earlier make random sampling (many 100 tails of sample) inspectability ratio in the maternal Pengzhe fish reserve parent fish colony in 0 age in desire, meet female: select individual big, healthy and strong in male=colony of requiring at 10: 1, do not have and hinder, the female fish that rounded does not have deformity prepares female parent as the artificial seed.
With the maternal reinforced cultivating of picking out, every mu of fish pond is put 250 kilograms in a suitable place to breed, is that main artificial feed are fed with peanut press pulp, and a day throwing amount accounts for 7% of fish body weight.
The selection of male parent: will collect from the field in advance as the male parent tip fin carps that the external source sperm is provided, and cultivate the feed of throwing something and feeding.
The artificial seed: in March mating season, when water temperature reached 17--18 ℃, the selective maturation degree was good from the female Pengzhe fish of cultivating, and rounded does not have deformity, and body is strong not to have the individuality of wound as female parent; The strong nothing of selective body is hindered from the wild tip fin carps of cultivating, and the individuality of bodily form standard is as male parent.To this injection of the father and mother oxytocic hormone that chooses; Carry out artificial insemination with dry method and obtain fertilized egg; Fertilized egg is attached to hydrostatic hatching on the window screening sheet, produces the fertility crucian seedling.
The fertility crucian seedling physique stalwartness of producing, bodily form grace, growth is fast, under big pool breed situation, raises together with 200 tails for every mu, raises together with to reach the above listing specification of 400 grams in 5--7 month.
Embodiment 2
In January, earlier make random sampling (many 100 tails of sample) inspectability ratio in the maternal Pengzhe fish reserve parent fish colony in 0 age in desire, meet female: select individual big, healthy and strong in male=colony of requiring at 12: 1, do not have and hinder, the female fish that rounded does not have deformity prepares female parent as the artificial seed.
With the maternal reinforced cultivating of picking out, every mu of fish pond is put 200 kilograms in a suitable place to breed, is that main artificial feed are fed with peanut press pulp, and a day throwing amount accounts for 5% of fish body weight.
The selection of male parent: adopt the first filial generation of wild stocks as the male parent tip fin carps that the external source sperm is provided, and cultivate the feed of throwing something and feeding.
The artificial seed: in April mating season, when water temperature reached 22--24 ℃, the selective maturation degree was good from the female Pengzhe fish of cultivating, and rounded does not have deformity, and body is strong not to have the individuality of wound as female parent; The strong nothing of selective body is hindered from the tip fin carps of cultivating, and the individuality of bodily form standard is as male parent.To this injection of the father and mother oxytocic hormone that chooses; Put into same water body spawning and fertilization acquisition fertilized egg voluntarily then; With flowing water hatching in circuit after the fertilized egg unsticking, produce the fertility crucian seedling.
The fertility crucian seedling physique stalwartness of producing, bodily form grace, growth is fast, under big pool breed situation, raises together with 150 tails for every mu, raises together with the listing specification that can reach about 400 grams in 6-7 month.
Embodiment 3
In June, earlier make random sampling (many 100 tails of sample) inspectability ratio in the maternal Pengzhe fish reserve parent fish colony in 1 age in desire, meet female: select individual big, healthy and strong in male=colony of requiring at 14: 1, do not have and hinder, the female fish that rounded does not have deformity prepares female parent as the artificial seed.
With the maternal reinforced cultivating of picking out, every mu of fish pond is put 200 kilograms in a suitable place to breed, is that main artificial feed are fed with peanut press pulp, and a day throwing amount accounts for 5% of fish body weight.
The selection of male parent: will collect from the field in advance as the male parent tip fin carps that the external source sperm is provided, and cultivate the feed of throwing something and feeding.
The artificial seed: late Febuary mating season, when water temperature reached 16--18 ℃, the selective maturation degree was good from the female Pengzhe fish of cultivating, and rounded does not have deformity, and body is strong not to have the individuality of wound as female parent; The strong nothing of selective body is hindered from the wild tip fin carps of cultivating, and the individuality of bodily form standard is as male parent.To this injection of the father and mother oxytocic hormone that chooses; Carry out artificial insemination with wet method and obtain fertilized egg; Fertilized egg is attached to miniflow water hatching on the window screening sheet, produces the fertility crucian seedling.
The fertility crucian seedling physique stalwartness of producing, bodily form grace, growth is fast, under big pool breed situation, raises together with 200 tails for every mu, raises together with the listing specification that can reach in 5-7 months about 500 grams.
Claims (1)
1, a kind of artificial seed's method of fertility crucian is characterized in that selecting female: the female individuals in male＞=Pengzhe fish colony of 10: 1 is as female parent; Selecting the male in the first filial generation tip fin carps of wild stocks of wild tip fin carps or breed is male parent; Produce the fertility crucian fry by artificial induced spawning, fertilization, hatching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117179A CN1079192C (en) | 1999-11-02 | 1999-11-02 | Production of hybrid fingerling for high-yield crucian carp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117179A CN1079192C (en) | 1999-11-02 | 1999-11-02 | Production of hybrid fingerling for high-yield crucian carp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1260109A CN1260109A (en) | 2000-07-19 |
| CN1079192C true CN1079192C (en) | 2002-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99117179A Expired - Fee Related CN1079192C (en) | 1999-11-02 | 1999-11-02 | Production of hybrid fingerling for high-yield crucian carp |
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| Country | Link |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103109762B (en) * | 2013-02-10 | 2015-12-23 | 微山利民现代渔业科技有限公司 | Nansi Lake wild carp purification and rejuvenation method |
| CN104161000B (en) * | 2014-08-28 | 2016-03-30 | 沈阳华泰渔业有限公司 | A kind of cross breeding method of hybridizing carp and Pengzhe fish |
| CN109169426A (en) * | 2018-10-22 | 2019-01-11 | 广州市建波鱼苗场有限公司 | A kind of anti-season breeding method of crucian |
| CN112314478A (en) * | 2020-10-27 | 2021-02-05 | 华南师范大学 | Artificial breeding method for high-yield crucian carps |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159281A (en) * | 1996-11-22 | 1997-09-17 | 中国科学院水生生物研究所 | Tech. of artificial breeding and cultivating Baihua crucian carp |
| CN1182531A (en) * | 1997-10-31 | 1998-05-27 | 董文治 | Method for culture of colour crucian carp |
-
1999
- 1999-11-02 CN CN99117179A patent/CN1079192C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159281A (en) * | 1996-11-22 | 1997-09-17 | 中国科学院水生生物研究所 | Tech. of artificial breeding and cultivating Baihua crucian carp |
| CN1182531A (en) * | 1997-10-31 | 1998-05-27 | 董文治 | Method for culture of colour crucian carp |
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| CN1260109A (en) | 2000-07-19 |
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