CN103371116A - Method for pelteobagrus fulvidraco family breeding by using net cages - Google Patents
Method for pelteobagrus fulvidraco family breeding by using net cages Download PDFInfo
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- CN103371116A CN103371116A CN2012101284247A CN201210128424A CN103371116A CN 103371116 A CN103371116 A CN 103371116A CN 2012101284247 A CN2012101284247 A CN 2012101284247A CN 201210128424 A CN201210128424 A CN 201210128424A CN 103371116 A CN103371116 A CN 103371116A
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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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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract
The invention belongs to the fish breeding technique and particularly relates to a cultivation method for pelteobagrus fulvidraco family breeding by using net cages. A family selection method is gradually adopted on selective breeding of pelteobagrus fulvidraco, numerous ponds can be occupied if comparison and selection of a plurality of families are performed through traditional methods, and operations in practical production are difficult; family selection methods that mixed cultivation is performed after different families are marked by injection of electronic chips are high in cost, have high requirements for technicians and are difficult to be promoted. According to the method, a family selection method that a plurality of families are cultivated and growth performances are compared by using the closed net cages is adopted, experimental errors due to the fact that different ponds are used for separated cultivation are eliminated, a lot of pond water surfaces are saved, injection of the electronic chips for marking is not needed, human and material resources and time are saved, costs are reduced, the method is suitable for ordinary fine breed farms and breeding farms, and breeding of a plurality of pelteobagrus fulvidraco families can be performed conveniently through the method.
Description
Technical field
This invention belongs to the fish breeding technology, specifically a kind of breeding method that utilizes net cage to carry out the yellow cartfish family selective breeding.
Background technology
Yellow cartfish (Pelteobagrus fulvidraco) belongs to SILURIFORMES (Siluriformes), Chang section (Bagridae), Pelteobagrus (Pelteobagrus), being distributed widely in each waters such as China the Changjiang river, the Yellow River, the Zhujiang River and Heilungkiang, is the higher fish of a kind of economic worth.Because of its fine and tender taste, delicious flavour, nutritious, without the characteristics such as stinging between flesh, extensively get consumer reception, the domestic and international market demand is growing, has more and more become important special cultivation kind.The artificial propagation of yellow cartfish and family make up, and are that artificial induced spawning, gametocide are got essence basically; Be used for artificial propagation every year and need to slaughter the healthy and strong male parent who counts in necessarily, therefore cause getting in the natural water area female-male proportion and seriously lack of proper care, cause seriously depletion of natural resources.So, in order further to improve the yield and quality of yellow cartfish, need to carry out genetic improvement to the kind of current cultivation, and the yellow cartfish family selective breeding method is improved.Family selective breeding is set up a plurality of familys as far as possible in the situation of conditions permit, the family quantity more chance of more options is larger, and the success rate of breeding is just higher, relatively shortens breeding time.Family selective breeding at first will carry out parent population to be chosen and selects, and namely selects a tail milter and a tail raun with certain genetic background and carries out mating, and the offspring of its breeding namely is a family.For the growth performance of more different familys, should cultivating condition identical, can distinguish different familys again, used method is at present: one, separately cultivation of different ponds.Be each family respectively with condition suitable different ponds roughly, under identical cultivating condition, cultivate, support and carry out again between different familys growth performance behind the certain phase relatively.Two, mixed breed behind the family mark.Fish length is injected into its abdominal cavity to certain phase (being generally about 10 grams) with electronic chip, and each electronic chip has specific numbering, reads by corresponding CT scanner.The yellow cartfish of different familys through mark and numbering sweep record is raised together with together, carries out growth performance comparison between different familys after supporting certain phase again.First method, a general family just need take a pond, and each pond culture condition also there are differences, and experimental result is easy to exist error.When a plurality of familys are carried out the growth performance comparison, need to take a large amount of ponds, be difficult in the actual production operate; Second method goes for a plurality of familys, but the electronic chip cost compare is high, and is also relatively high to technical staff's requirement, is difficult to popularize at general seed multiplication farm and nursery.
Summary of the invention
In order to overcome now methodical deficiency, this invention adopts a kind of closed net cage to carry out cultivation and the growth performance method relatively of a plurality of yellow cartfish familys, the method has been eliminated and has been adopted different ponds separately to cultivate the experimental error that causes, and saves a large amount of ponds water surface.Need not the electron injection chip mark, save cost and time, be fit to general seed multiplication farm and breeding station and use, can conveniently carry out the breeding seed selection of a plurality of yellow cartfish familys.
The technical scheme that this invention technical solution problem adopts is: a kind of yellow cartfish family selective breeding method that utilizes net cage is characterized in that key step is as follows:
One, the setting of net cage.The setting of a, parent population breeding net cage.Can closed net cage, 1 cubic metre of size, the mesh of grenadine is 30 orders, places a fish nest in parent population breeds net cage, to make things convenient for adhering to of fish-egg.Parent population breeding net cage is arranged in the cement pit, and the depth of water is 80 centimetres in the net cage, adheres to fish-egg with the inwall that increases the water body in the net cage and take full advantage of net cage; The setting of b, fish culture net cage: can closed net cage, 1 cubic metre of size, the mesh of grenadine is 20, and all fish culture net cages are arranged in the same pond, and the depth of water is 60 centimetres in the net cage;
Two, the foundation of family.Yellow cartfish parent population with identical or different genetic backgrounds, one male one female pairing mating breeding, prepare right parent population after manual injection's oxytocins is hastened parturition, put into parent population breeding net cage, wait the complete rear taking-up of Gunther parent fish spawning, fish-egg then continues to stay in the breeding net cage, in net cage, carry out seed rearing according to conventional method hatch fish roe is become fry, collect all fries after two weeks, turn the pond and turn case, carry out putting in a suitable place to breed of fry;
Three, fry puts in a suitable place to breed.The fry of each family is put in a suitable place to breed in two net cages respectively, the family fry number of putting in a suitable place to breed in each net cage is identical, net cage cultivates under the same conditions with daily management and manages, long during to 5 centimetres and 10 centimetres of left and right sides respectively Deng fry, carry out selecting for twice according to conventional method, rogue and stay essence, remain that the fry number in each net cage is identical;
Four, cultivation comparative trial.Measure once the growth data of different family fries in each net cage every month, and note down, cultivate that the result to whole family growth data is analyzed after 5 months, select the fast family of growth, continue to stay in the net cage and cultivate, until support to sexual maturity, carry out the family selective breeding of a new round.
The beneficial effect of this invention: fish culture net cage is arranged in the same pond, and the growth conditions of each family is identical, reduces as far as possible the error that environmental difference causes.Can greatly save pond, manpower and material resources, save time, reduce the seed selection cost, and the simple easy operating of method, be fit to general seed multiplication farm and nursery, be particularly suitable for structure and the seed selection of a plurality of familys.
Embodiment
One, the setting of net cage.The setting of a, parent population breeding net cage.Can closed net cage, 1 cubic metre of size, the mesh of grenadine is 30 orders, places a fish nest in parent population breeds net cage, to make things convenient for adhering to of fish-egg.Parent population breeding net cage is arranged in the cement, and the depth of water is 80 centimetres in the net cage, adheres to fish-egg with the inwall that increases the water body in the net cage and take full advantage of net cage; The setting of b, fish culture net cage: can closed net cage, 1 cubic metre of size, the mesh of grenadine is 20, it is that the depth of water is 60 centimetres in the net cage in 10 mu the pond that all fish culture net cages are arranged on same area;
Two, the foundation of family.From the yellow cartfish parent population of 5 different genetic background colonies, one male one female pairing mating breeding, every couple of parent population offspring is a family, the yellow cartfish parent population of each different genetic background is joined 10 pairs, joins altogether 50 pairs of parent populations.Prepare right parent population after manual injection's oxytocins is hastened parturition, put into parent population breeding net cage.After every pair of parent population is put a net cage, sealed net cage, jumped out to prevent parent population.The complete rear taking-up of Gunther parent fish spawning.The viscid egg of parent population output is attached to the inwall of parent population breeding net cage and puts in advance on the good fish nest, and fish-egg is stayed in the breeding net cage, continues to hatch into fry, has made up altogether 50 yellow cartfish familys.Begin afterwards to splash soya-bean milk, the yolk soya-bean milk of throwing something and feeding are collected all fries after two weeks, turn the pond and turn case, carry out putting in a suitable place to breed of fry;
Three, fry puts in a suitable place to breed.The fry of each family is put in a suitable place to breed in two net cages respectively, establishes altogether 100 fish culture net cages, and all net cages cultivate under the same conditions and manage, and the family fry number of putting in a suitable place to breed in each net cage is 200 tails.Select during to 5 centimetres of left and right sides Deng fry is long, each net cage select and remain 100 tails in vigorous health, anosis, without abnormal, continue to stay in the net cage without wound and the larger individuality of the bodily form and cultivate.When fry grows to 10 centimetres of left and right sides, adopt identical method, 50 tails of selecting and remain continue to cultivate in net cage.
Four, cultivation comparative trial.Fry is put into the day of fish culture net cage, and measure once the growth data of different family fries in each net cage every month, and note down.Cultivate that the result to whole family growth data is analyzed after 5 months, select 50 fast familys of growth, continue in net cage, to cultivate, until support to sexual maturity, carry out the family selective breeding of a new round.
Claims (1)
1. yellow cartfish family selective breeding method that utilizes net cage is characterized in that key step is as follows:
(1) setting of net cage
The setting of a, parent population breeding net cage.Can closed net cage, 1 cubic metre of size, the mesh of grenadine is 30 orders, places a fish nest in parent population breeds net cage, to make things convenient for adhering to of fish-egg.Parent population breeding net cage is arranged in the cement pit, and the depth of water is 80 centimetres in the net cage, adheres to fish-egg with the inwall that increases the water body in the net cage and take full advantage of net cage; The setting of b, fish culture net cage: the setting of fish culture net cage: can closed net cage, 1 cubic metre of size, the mesh of grenadine is 20, and all fish culture net cages are arranged in the same pond, and the depth of water is 60 centimetres in the net cage;
(2) foundation of family
Yellow cartfish parent population with identical or different genetic backgrounds, one male one female pairing mating breeding, prepare right parent population after manual injection's oxytocins is hastened parturition, put into parent population breeding net cage, wait the complete rear taking-up of Gunther parent fish spawning, fish-egg then continues to stay in the breeding net cage, in net cage, carry out seed rearing according to conventional method hatch fish roe is become fry, collect all fries after two weeks, turn the pond and turn case, carry out putting in a suitable place to breed of fry;
(3) fry puts in a suitable place to breed
The fry of each family is put in a suitable place to breed in two net cages respectively, the family fry number of putting in a suitable place to breed in each net cage is identical, net cage cultivates under the same conditions with daily management and manages, long during to 5 centimetres and 10 centimetres of left and right sides respectively Deng fry, carry out selecting for twice according to conventional method, rogue and stay essence, remain that the fry number in each net cage is identical;
(4) cultivation comparative trial
Measure once the growth data of different family fries in each net cage every month, and note down, cultivate that the result to whole family growth data is analyzed after 5 months, select the fast family of growth, continue to stay in the net cage and cultivate, until support to sexual maturity, carry out the family selective breeding of a new round.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101284247A CN103371116A (en) | 2012-04-28 | 2012-04-28 | Method for pelteobagrus fulvidraco family breeding by using net cages |
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| CN2012101284247A CN103371116A (en) | 2012-04-28 | 2012-04-28 | Method for pelteobagrus fulvidraco family breeding by using net cages |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904637A (en) * | 2015-06-11 | 2015-09-16 | 刘有文 | Method of cultivating fry of Pelteobagrus fulvidraco |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1425281A (en) * | 2001-12-14 | 2003-06-25 | 辽宁省淡水水产研究所 | Large-scale artificial breeding technology for yellow cartfish |
| CN101390503A (en) * | 2008-11-03 | 2009-03-25 | 水利部中国科学院水工程生态研究所 | Method for establishing super-male yellow cartfish breeding population by copulating super-male fish with physiology spawner |
| CN101897307A (en) * | 2010-07-22 | 2010-12-01 | 中国水产科学研究院淡水渔业研究中心 | Carp family selective breeding method utilizing net cage |
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- 2012-04-28 CN CN2012101284247A patent/CN103371116A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1425281A (en) * | 2001-12-14 | 2003-06-25 | 辽宁省淡水水产研究所 | Large-scale artificial breeding technology for yellow cartfish |
| CN101390503A (en) * | 2008-11-03 | 2009-03-25 | 水利部中国科学院水工程生态研究所 | Method for establishing super-male yellow cartfish breeding population by copulating super-male fish with physiology spawner |
| CN101897307A (en) * | 2010-07-22 | 2010-12-01 | 中国水产科学研究院淡水渔业研究中心 | Carp family selective breeding method utilizing net cage |
Non-Patent Citations (3)
| Title |
|---|
| 乐瑞源 等: "黄颡鱼网箱育成技术", 《江西水产科技》, no. 122, 30 June 2010 (2010-06-30), pages 28 - 29 * |
| 王刚: "黄颡鱼繁育及养殖技术", 《现代农业科技》, no. 21, 10 November 2008 (2008-11-10), pages 249 - 251 * |
| 罗青: "黄颡鱼网箱养殖技术", 《渔业致富指南》, 15 March 2005 (2005-03-15), pages 44 - 45 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104904637A (en) * | 2015-06-11 | 2015-09-16 | 刘有文 | Method of cultivating fry of Pelteobagrus fulvidraco |
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Application publication date: 20131030 |