CN102187835A - Cultivating method of Gymnocypris przewalskii spring fingerlings - Google Patents
Cultivating method of Gymnocypris przewalskii spring fingerlings Download PDFInfo
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- CN102187835A CN102187835A CN2011101000024A CN201110100002A CN102187835A CN 102187835 A CN102187835 A CN 102187835A CN 2011101000024 A CN2011101000024 A CN 2011101000024A CN 201110100002 A CN201110100002 A CN 201110100002A CN 102187835 A CN102187835 A CN 102187835A
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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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Abstract
The invention belongs to the technical field of cultivation of Gymnocypris przewalskii, and in particular relates to a cultivating method of Gymnocypris przewalskii spring fingerlings. The scheme of the method comprises the four steps of changing feeding points, managing water quality, using a feeding method and cultivating spring fingerlings. Until June, the cultivated spring fingerlings can reach 9-11 cm in size and 7.0-8.0 g in weight, are 1+ age Gymnocypris przewalskii spring fingerlings, can be purchased or proliferated for releasing and can also enter the 2+ age fingerling cultivation stage. The method provides powerful support for the cultivation of Gymnocypris przewalskii, the germ plasm resource protection of Gymnocypris przewalskii, satisfaction of the market demand of Gymnocypris przewalskii, and the cultivation of Gymnocypris przewalskii in fresh water of cold areas. The method has the advantages that: being different from the cultivation modes of spring fingerling breeding of other cultured fishes, cultivation in the original pond is adopted; the strongly-cultivated fingerlings have high survival rate and less diseases; and simpleness and convenience for operation and labor saving are achieved.
Description
One: technical field: the invention belongs to Gymnocypris prezewalskii and educate the nurture of fish fingerlings technical field, be specifically related to a kind of Gymnocypris prezewalskii spring sheet fish fry breeding method.
Two: background technology:
Gymnocypris prezewalskii is an aquatic animal unique in the Qinghai Lake; be in the core status of Qinghai Lake " ichthyornis symbiosis " ecosystem; classified as the important or famous and precious aquatic animal of China by aquatic products portion in 1964; list object of protection in " the aquatic resources protection of propagation regulations " that issued by State Council in February, 1979, in " the red register of Chinese species ", classified as endangered species by the Chinese environmental development international cooperation committee in 2004.
Since the seventies in last century, because the weather arid warms, the river course comes that the water yield falls sharply, overfishing, spawning ground are dry, causes the serious decline of naked carp stock number.The lake inlet of Qinghai Lake maximum spread Ha He and caused the 300t parent population death of laying eggs because of cutout nineteen ninety-five; Calendar year 2001, the salix monogolica river is the nearly 150t parent population death of laying eggs because of cutout has caused.The destruction of Qinghai Lake fishery ecotope will directly cause the depletion of naked carp resource, thereby the existing ecological balance is produced extremely adverse influence, and jeopardize other hydrobiological existence in the lake thus.Begin from the end of the eighties in last century, the technical staff explores artificial incubation and the seed rearing technology of Gymnocypris prezewalskii, through the work of more than two decades, insemination rate, incubation rate, the weed survival rate of existing Gymnocypris prezewalskii reach 70%, have the ability of year cultivating 7,000,000 tail seeds.Basic theory such as naked carp biological property, artificial propagation, seed rearing, feed preparation, adult fish culture and application facet have been carried out systematic research, and cultured, produced significant results in reservoir net cage, big flood interview.
Naked carp is the extremely strong aquatic economic animal of resistance, and tool is cold-resistant, salt tolerant alkali, eurythermic and omnivorousness, the feature that disease resistance is strong.Can not only grow in the salt water lake of Qinghai Lake high salinity, and can grow in fresh water, be transplanted in the spring that cools of Inner Mongol yellow flag sea and Shijiazhuang City also can normal growth to breed and educate, growth rate is obviously accelerated.Facts have proved that Gymnocypris prezewalskii is Qinghai-Tibet Platean and northern China cools, breed the good aquatic products germ plasm resource of the stock of fish in the low mineralization natural water body.The fresh water whole artificial propagation of development naked carp for propagating artificially and propagation is released provenance is provided, has been alleviated wild resource and has been fished for pressure, is the fundamental way and the measure of protection bio-diversity.
Need the breeding phase through black prelarva seedling, summer fry, autumn sheet, winter sheet, spring sheet in the Gymnocypris prezewalskii process of growth, in different phase separately breeding method is arranged, this patent is done an introduction to naked carp spring sheet fish fry breeding method.Naked carp spring sheet fingerling is meant the Gymnocypris prezewalskii 1 that end is cultivated during this period of time from year ice dissolution in spring of fish breeding to the second in spring then to spring
+Spring in age sheet fingerling.
Three: summary of the invention
The objective of the invention is to study a kind of Gymnocypris prezewalskii spring sheet fish fry breeding method; it is propagated artificially for the fresh water of carrying out the Gymnocypris prezewalskii marketable fish energetically; expand the new model of naked carp living space; protection naked carp germ plasm resource; increase Gymnocypris prezewalskii new varieties with local characteristic; make Gymnocypris prezewalskii aquatic products brand; satisfy the demand of market to the naked carp marketable fish; provide strong technical guarantee for cultivating the Gymnocypris prezewalskii marketable fish at cold district fresh water, it has better economic and social environment ecological benefits.
The advantage of this method is: 1, be different from the aquaculture model that other cultured fishes spring sheet is put in a suitable place to breed, but the former pool is cultivated; 2, fingerling survival rate height behind the reinforced cultivating, disease are few; 3, easy and simple to handle, save the labour.
The naked carp fingerling is when open ice March through surviving the winter to perpendicular year, and water temperature is progressively gone up, fish movement and physique a little less than, because of the naked carp body surface does not have squama, easily injured, misoperation can cause disease to take place, preferably spring sheet cultivation is carried out in former pond after the beginning of spring, rushes should strengthen feeding and management in the transportation or the branch pool.
Its technical scheme is: this Gymnocypris prezewalskii spring sheet fish fry breeding method by throw something and feed a little change, water quality management, feeding method, culture to such an extent that four operations such as spring sheet fingerling are finished:
1, throw something and feed a little change:
Through winter management, behind the ice-out, Gymnocypris prezewalskii spring sheet fingerling was cultivated at Yuan Chi after the beginning of spring, threw something and fed and a little moved on to the limit, pond, and every day, fixed point was thrown something and fed;
2, water quality management:
After winter, water temperature is gone up, and is the inning of germ growth, at this moment, should strengthen regulating and controlling water quality, and every mu with the full pond float of 10-14 kilogram quicklime water, March every first quarter moon once, the every month month of 4-5 is once.Take out the old water of 55-75% in the pond April, the new water of annotating;
3, feeding method:
A little throw something and feed on a small quantity throwing something and feeding with powder or particulate material earlier, every day 2-4 time, after the week, most of fish is attracted to throw something and feed and a little ingests, and can strengthen feeding volume, and the protein content of the bait of employing is not less than 34-42%;
Early March, water temperature 5-8 ℃, feeding volume is the 0.8-1.2% of pond fish body weight;
Late March, water temperature 8-10 ℃, feeding volume is the 1.2-1.7% of pond fish body weight;
In April, water temperature 10-17 ℃, feeding volume is the 1.7-2.3% of pond fish body weight;
In May, water temperature 12-18 ℃, feeding volume is the 2.6-3.4% of pond fish body weight;
4, cultivate spring sheet fingerling:
To June, the fingerling specification can reach 9-11 centimetre, and body weight 7.0-8.0 gram can draw in the net to take exercise 2-4 time, and crosses number and measure the fingerling specification, and it is 1
+Gymnocypris prezewalskii spring in age sheet fingerling can be sold or breeds and release, and also can enter 2
+The nurture of fish fingerlings stage in age.These fingerlings can be used as the fingerling of producing the Gymnocypris prezewalskii marketable fish.
Gymnocypris prezewalskii spring sheet fish fry breeding method of the present invention; it is propagated artificially for the fresh water of carrying out the Gymnocypris prezewalskii marketable fish energetically; expand the new model of naked carp living space; protection naked carp germ plasm resource; increase Gymnocypris prezewalskii new varieties, make Gymnocypris prezewalskii aquatic products brand, satisfy the demand of market the naked carp marketable fish with local characteristic; provide strong technical guarantee for cultivating the Gymnocypris prezewalskii marketable fish at cold district fresh water, it has better economic and social environment ecological benefits.
The advantage of this method is: 1, be different from the aquaculture model that other cultured fishes spring sheet is put in a suitable place to breed, but the former pool is cultivated; 2, fingerling survival rate height behind the reinforced cultivating, disease are few; 3, easy and simple to handle, save the labour.
Four: embodiment
Embodiment 1:
1, throw something and feed a little change: through winter management, behind the ice-out, Gymnocypris prezewalskii spring sheet fingerling was cultivated at Yuan Chi after the beginning of spring, threw something and fed and a little moved on to the limit, pond, and every day, fixed point was thrown something and fed;
2, water quality management: after winter, water temperature is gone up, and is the inning of germ growth, at this moment, should strengthen regulating and controlling water quality, 10 kilograms of quicklime water full pond floats of every mu of usefulness, March every first quarter moon once, the every month month of 4-5 is once taken out in the pond 55% old water April, the new water of annotating;
3, feeding method: a little throw something and feed on a small quantity throwing something and feeding with powder or particulate material earlier, every day 2 times is after the week, most of fish is attracted to throw something and feed and a little ingests, and can strengthen feeding volume, and the protein content of the bait of employing is not less than 34%, early March, 5 ℃ of water temperatures, feeding volume is 0.8% of a pond fish body weight; Late March, 8 ℃ of water temperatures, feeding volume is 1.2% of a pond fish body weight; April, 10 ℃ of water temperatures, feeding volume is 1.7% of a pond fish body weight; May, 12 ℃ of water temperatures, feeding volume is 2.6% of a pond fish body weight;
4, cultivate spring sheet fingerling: to June, the fingerling specification can reach 9 centimetres, and body weight 7.0 gram can draw in the net to take exercise 2 times, and crosses number and measure the fingerling specification, and it is 1
+Gymnocypris prezewalskii spring in age sheet fingerling is sold them or is bred and release.
Embodiment 2:
1, throw something and feed a little change: through winter management, behind the ice-out, Gymnocypris prezewalskii spring sheet fingerling was cultivated at Yuan Chi after the beginning of spring, threw something and fed and a little moved on to the limit, pond, decided the quantitative timing of matter every day and threw something and fed;
2, water quality management: after winter, water temperature is gone up, and is the inning of germ growth, at this moment, should strengthen regulating and controlling water quality, 14 kilograms of quicklime water full pond floats of every mu of usefulness, March every first quarter moon once, the every month month of 4-5 is once.Take out in the pond 75% old water April, the new water of annotating;
3, feeding method: a little throw something and feed on a small quantity throwing something and feeding with powder or particulate material earlier, every day 4 times, after the week, most of fish is attracted to throw something and feed and a little ingests, and can strengthen feeding volume, and the protein content of the bait of employing is not less than 42%; Early March, 8 ℃ of water temperatures, feeding volume is 1.2% of a pond fish body weight; Late March, 10 ℃ of water temperatures, feeding volume is 1.7% of a pond fish body weight; April, 17 ℃ of water temperatures, feeding volume is 2.3% of a pond fish body weight; May, 18 ℃ of water temperatures, feeding volume is 3.4% of a pond fish body weight;
4, cultivate spring sheet fingerling: to June, the fingerling specification can reach 11 centimetres, and body weight 8.0 gram can draw in the net to take exercise 4 times, and crosses number and measure the fingerling specification, and it is 1
+Gymnocypris prezewalskii spring in age sheet fingerling, these fingerlings can be used as the fingerling of producing the Gymnocypris prezewalskii marketable fish.
Claims (1)
1. Gymnocypris prezewalskii spring sheet fish fry breeding method, it is characterized in that it by throw something and feed a little change, water quality management, feeding method, culture to such an extent that four operations of spring sheet fingerling are finished:
(1), throw something and feed a little change:
Through winter management, behind the ice-out, Gymnocypris prezewalskii spring sheet fingerling was cultivated at Yuan Chi after the beginning of spring, threw something and fed and a little moved on to the limit, pond, and every day, fixed point was thrown something and fed;
(2), water quality management:
After winter, water temperature is gone up, and is the inning of germ growth, at this moment, should strengthen regulating and controlling water quality, and every mu with the full pond float of 10-14 kilogram quicklime water, March every first quarter moon once, the every month month of 4-5 is once taken out the old water of 55-75% in the pond April, the new water of annotating;
(3), feeding method:
A little throw something and feed on a small quantity throwing something and feeding with powder or particulate material earlier, every day 2-4 time, after the week, most of fish is attracted to throw something and feed and a little ingests, and can strengthen feeding volume, and the protein content of the bait of employing is not less than 34-42%;
Early March, water temperature 5-8 ℃, feeding volume is the 0.8-1.2% of pond fish body weight;
Late March, water temperature 8-10 ℃, feeding volume is the 1.2-1.7% of pond fish body weight;
In April, water temperature 10-17 ℃, feeding volume is the 1.7-2.3% of pond fish body weight;
In May, water temperature 12-18 ℃, feeding volume is the 2.6-3.4% of pond fish body weight;
(4), cultivate spring sheet fingerling:
To June, the fingerling specification can reach 9-11 centimetre, and body weight 7.0-8.0 gram can draw in the net to take exercise 2-4 time, and crosses number and measure the fingerling specification, and it is 1
+Gymnocypris prezewalskii spring in age sheet fingerling.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972315A (en) * | 2012-12-03 | 2013-03-20 | 中国水产科学研究院黑龙江水产研究所 | Efficient pond cultivation method of matsuura mirror carp species |
| CN103004670A (en) * | 2013-01-10 | 2013-04-03 | 史建全 | Method of manually preparing slight salt water environment to carry out Gymnocypris przewalskii cultivation |
| CN104381165A (en) * | 2014-10-31 | 2015-03-04 | 井陉县鱼泉冷水鱼开发有限公司 | Quick culture method for naked carp of Qinghai lake |
| CN114097671A (en) * | 2022-01-04 | 2022-03-01 | 甘肃土著鱼类养殖开发有限公司 | Artificial breeding method for fry and fingerlings of Qilian mountain naked carp |
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| CN101703022A (en) * | 2009-11-27 | 2010-05-12 | 史建全 | Artificial propagation and releasing technology of Gymnocypris przewalskii |
| CN101874568A (en) * | 2009-11-27 | 2010-11-03 | 史建全 | Opening bait for Qinghai lake naked carp larva |
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2011
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Patent Citations (2)
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| CN101703022A (en) * | 2009-11-27 | 2010-05-12 | 史建全 | Artificial propagation and releasing technology of Gymnocypris przewalskii |
| CN101874568A (en) * | 2009-11-27 | 2010-11-03 | 史建全 | Opening bait for Qinghai lake naked carp larva |
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| 史建全等: "青海湖裸鲤资源增殖放流技术", 《河北渔业》 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972315A (en) * | 2012-12-03 | 2013-03-20 | 中国水产科学研究院黑龙江水产研究所 | Efficient pond cultivation method of matsuura mirror carp species |
| CN103004670A (en) * | 2013-01-10 | 2013-04-03 | 史建全 | Method of manually preparing slight salt water environment to carry out Gymnocypris przewalskii cultivation |
| CN103004670B (en) * | 2013-01-10 | 2014-07-02 | 史建全 | Method of manually preparing slight salt water environment to carry out Gymnocypris przewalskii cultivation |
| CN104381165A (en) * | 2014-10-31 | 2015-03-04 | 井陉县鱼泉冷水鱼开发有限公司 | Quick culture method for naked carp of Qinghai lake |
| CN114097671A (en) * | 2022-01-04 | 2022-03-01 | 甘肃土著鱼类养殖开发有限公司 | Artificial breeding method for fry and fingerlings of Qilian mountain naked carp |
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Application publication date: 20110921 |