CN102283153B - Batch production fry rearing technique for exopalaemon modestus - Google Patents
Batch production fry rearing technique for exopalaemon modestus Download PDFInfo
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- CN102283153B CN102283153B CN2011101964903A CN201110196490A CN102283153B CN 102283153 B CN102283153 B CN 102283153B CN 2011101964903 A CN2011101964903 A CN 2011101964903A CN 201110196490 A CN201110196490 A CN 201110196490A CN 102283153 B CN102283153 B CN 102283153B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- 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
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a batch production fry rearing technique for exopalaemon modestus, which comprises several steps of a fry rearing pond preparation, fry rearing water preparation, a hatchery pond preparation, hatching water preparation, shrimp eggs hatching and fry rearing; the technique is an advanced production way for batch producing high-quality fries by adopting scientific and automatic technical measures and methods. Compared with a traditional fry rearing way, the technique provided by the invention occupies smaller floor area, saves the use amount of parent strains of the exopalaemon modestus, saves fry rearing time, and can be managed visually, further can reduce the cost and increase the production efficiency.
Description
Technical field
The invention belongs to aquaculture field, is the seedling-cultivating method of a kind of beautiful white shrimp under artificial environment specifically.
Background technology
Beautiful white shrimp (Exopalaemon modestus) is under the jurisdiction of Crustachia, Decapoda, Palaemonidae, Palaemon, is distributed widely in China's freshwater lake and the river, and all produce in north and south.In the shrimps in Taihu Lake were formed, beautiful white shrimp accounted for more than 50%.As one of main economic fishery harvesting object in Taihu Lake " Taihu Lake three is white ", still be that the output value is said no matter from output, beautiful white shrimp occupies important status in the fishery of Taihu Lake.In recent years, on the one hand along with the continuous development of ring Taihu Lake industry and being on the increase of population, Taihu Lake water quality pollution becoming serious, the procreation of the beautiful white shrimp in Taihu Lake, existence have received very big threat; On the other hand; Along with the fast development of tourist industry and the raising of living standards of the people, the demand of market dialogue shrimp increases day by day, and overfishing is following; White shrimp amount of fishing is on a declining curve from 2005; And the reproductive population body is long to be reduced gradually, and the oogenesis amount also reduces thereupon, and the miniaturization characteristic is obvious.Therefore protection of resources of beautiful white shrimp species matter and aquaculture are extremely urgent, and artificial breeding is the most important thing of these two work.
The method that common beautiful white shrimp is grown seedlings is directly beautiful white shrimp parent to be put into the pond to grow seedlings, and beautiful white shrimp parent is very easily dead in transportation, and transports the parent who returns and directly put into very easily death of pond, has seriously increased seedling cost; Because the white shrimp parent of part is not dead after having produced ovum, what have also can wait until next time the breeding period of oogenesis once more, this part parent a large amount of white shrimp young that has just hatched that will inevitably ingest, thus reduced the hatching survival rate; Harmful organisms such as dragonfly larva is difficult to control in the pond, the white shrimp young that has just hatched keep away enemy's ability very a little less than, prey easily, this has reduced the hatching survival rate again; The shrimp seedling quantity of hatching is difficult to estimate, the feed of can't throwing something and feeding is in right amount crossed and ruined water quality at most and cause the shrimp seedling dead indirectly, crosses directly to cause part shrimp seedling dead at least.Because the existence of above-mentioned defective causes beautiful white shrimp pond seedling cost height now, efficient is low.
Summary of the invention
The object of the invention is that the defective that is directed against prior art provides a kind of measures such as harmful organisms, strict control water environment, raising efficiency of feed utilization of killing each other, reduce through control, reduces the beautiful white shrimp industrial breeding technique of seedling cost, raising incubation rate.
The present invention adopts following technical scheme for realizing above-mentioned purpose:
A kind of beautiful white shrimp factorial seedling-culturing method may further comprise the steps:
(1) nursery pond is prepared:
The rectangular box that nursery pond is processed by a plurality of glass fibres is formed, and highly about 1 meter, volume is the 6-9 cubic meter, places in the room or booth of scalable illumination.Each nursery pond distribution power, heat, advance equipment such as draining, and be equipped with the micropore oxygen-increasing device in the bottom;
(2) water for larval nursing preparation:
Water for larval nursing is through three-stage filtration, and the cistern that river or lake water are introduced into the biological brush of band precipitates, purifies, and filters entering secondary pond, back through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 26-27 ℃, the control dissolved oxygen is at 3-5mg/L, and pH is at 7.2-8.2;
(3) prepare the hatchery:
The round box that the hatchery is processed by polypropylene is formed, and each highly is 0.5-0.6 rice, and volume is the 2-3 cubic meter.The micropore oxygen-increasing device is joined in middle part around each casing, in the hatchery, sets up pipeline, connects nursery pond;
(4) hatching water preparation:
The hatching water is through three-stage filtration, and river or lake water are introduced into the biological cistern deposition of brushing of band, purify, and get into the secondary pond after filtering through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 25-28 ℃, the control dissolved oxygen is at 5-6mg/L, and pH is at 7.2-8.2;
(5) shrimp ovum hatching:
In late May-mid-July, select more than the long 30mm of body the fresh and alive shrimp with ovums that physically well develop, body surface does not have parasite, body colour is transparent; Color according to the shrimp ovum is classified shrimp with ovums, and the shrimp ovum that guarantees same color is in same hatchery, thus the synchronism that the assurance hatching is emerged; Density by every cubic metre of 1000 shrimp with ovums is put into the hatchery, puts into an amount of veil in the hatchery, the rotten and shrimp feed of the fish of alternately throwing something and feeding every day, and daily ration of feeding is the 4%-6% of shrimp body weight, and in time adjusts feeding volume according to residual bait situation;
(6) young is grown seedlings:
In the hatching process; Slowly in the hatchery, inject the hatching water, the shrimp seedling that hatches gets into nursery pond with fine bourn, the about 5-10 ten thousand tail/cubic meters of control density; A few days ago need not throw something and feed; After treating that water color in the nursery pond is thin out, progressively drop into mash feed, in strict accordance with step (4) control water environment; Beautiful white shrimp has just hatched and has been the oppossum shrimp stage, and when throwing something and feeding mash feed, throw something and feed 7-8 every day, and when treating that the shrimp seedling grows to 0.6-0.8cm, throw something and feed 3-4 every day; During to 1-1.5cm, the shrimp seedling is picked up, put into pond culture.
Described shrimp with ovums preferred body is long to be 35-45mm, the shrimp with ovums of absolute oogenesis amount more than 350.
The present invention has following advantage: factorial seedling growth is under the optimal environmental condition that manual work is created, and adopts technical measures and means scientific, automation, produces a kind of advanced person's of high quality seedling the mode of production in batches.Compare with traditional seedling raising manners, floor space is less, practices thrift beautiful white shrimp parent usage amount, saves seedling raise period, visualized management, and then reduce cost, enhance productivity.
Embodiment
A kind of beautiful white shrimp factorial seedling-culturing method may further comprise the steps:
(1) nursery pond is prepared:
The rectangular box that nursery pond is processed by a plurality of glass fibres is formed, and highly about 1 meter, volume is the 6-9 cubic meter, places in the room or booth of scalable illumination.Each nursery pond distribution power, heat, advance equipment such as draining, and be equipped with the micropore oxygen-increasing device in the bottom;
(2) water for larval nursing preparation:
Water for larval nursing is through three-stage filtration, and the cistern that river or lake water are introduced into the biological brush of band precipitates, purifies, and filters entering secondary pond, back through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 26-27 ℃, the control dissolved oxygen is at 3-5mg/L, and pH is at 7.2-8.2;
(3) prepare the hatchery:
The round box that the hatchery is processed by polypropylene is formed, and each highly is 0.5-0.6 rice, and volume is the 2-3 cubic meter.The micropore oxygen-increasing device is joined in middle part around each casing, in the hatchery, sets up pipeline, connects nursery pond;
(4) hatching water preparation:
The hatching water is through three-stage filtration, and river or lake water are introduced into the biological cistern deposition of brushing of band, purify, and get into the secondary pond after filtering through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 25-28 ℃, the control dissolved oxygen is at 5-6mg/L, and pH is at 7.2-8.2;
(5) shrimp ovum hatching:
In late May-mid-July, select more than the long 30mm of body the fresh and alive shrimp with ovums that physically well develop, body surface does not have parasite, body colour is transparent; Color according to the shrimp ovum is classified shrimp with ovums, and the shrimp ovum that guarantees same color is in same hatchery, thus the synchronism that the assurance hatching is emerged; Density by every cubic metre of 1000 shrimp with ovums is put into the hatchery, puts into an amount of veil in the hatchery, the rotten and shrimp feed of the fish of alternately throwing something and feeding every day, and daily ration of feeding is the 4%-6% of shrimp body weight, and in time adjusts feeding volume according to residual bait situation;
(6) young is grown seedlings:
In the hatching process; Slowly in the hatchery, inject the hatching water, the shrimp seedling that hatches gets into nursery pond with fine bourn, the about 5-10 ten thousand tail/cubic meters of control density; A few days ago need not throw something and feed; After treating that water color in the nursery pond is thin out, progressively drop into mash feed, in strict accordance with step (4) control water environment; Beautiful white shrimp has just hatched and has been the oppossum shrimp stage, and when throwing something and feeding mash feed, throw something and feed 7-8 every day, and when treating that the shrimp seedling grows to 0.6-0.8cm, throw something and feed 3-4 every day; During to 1-1.5cm, the shrimp seedling is picked up, put into pond culture.
Described shrimp with ovums preferred body is long to be 35-45mm, the shrimp with ovums of absolute oogenesis amount more than 350.
Grow seedlings according to technology of the present invention, select the long 35-45mm of being of body, about the shrimp with ovums 5kg of absolute oogenesis amount 250-400 grain, about 4000; Put into 2 hatcheries, whole membranes were cultivated through 20 days after 9 days; The average specification of shrimp seedling reaches 1.2cm, about 960,000 of total amount, survival rate about 77.4%.Parameters such as strict control water temperature, dissolved oxygen, pH according to the standard of throwing something and feeding between whole nursery stage.Each stage shrimp body is healthy, energetic.
Claims (2)
1. beautiful white shrimp factorial seedling-culturing method may further comprise the steps:
(1) nursery pond is prepared:
The rectangular box that nursery pond is processed by a plurality of glass fibres is formed, and highly about 1 meter, volume is the 6-9 cubic meter, places in the room or booth of scalable illumination; Each nursery pond distribution power, heat, advance drainage equipment, and be equipped with the micropore oxygen-increasing device in the bottom;
(2) water for larval nursing preparation:
Water for larval nursing is through three-stage filtration, and the cistern that river or lake water are introduced into the biological brush of band precipitates, purifies, and filters entering secondary pond, back through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 26-27 ℃, the control dissolved oxygen is at 3-5mg/L, and pH is at 7.2-8.2;
(3) prepare the hatchery:
The round box that the hatchery is processed by polypropylene is formed, and each highly is 0.5-0.6 rice, and volume is the 2-3 cubic meter; The micropore oxygen-increasing device is joined in middle part around each casing, in the hatchery, sets up pipeline, connects nursery pond;
(4) hatching water preparation:
The hatching water is through three-stage filtration, and river or lake water are introduced into the biological cistern deposition of brushing of band, purify, and get into the secondary pond after filtering through the sandstone water channel then, and secondary Chi Shui uses the chlorinated product sterilization, again with 350 purpose silk cover filterings; Water drops into an amount of rich water preparation after getting into nursery pond, fully tans by the sun through sunlight, and before the shrimp seedling is gone into the pond 1-2 days, stop long-time Exposure to Sunlight, progressively control water temperature to 25-28 ℃, the control dissolved oxygen is at 5-6mg/L, and pH is at 7.2-8.2;
(5) shrimp ovum hatching:
In late May-mid-July, select more than the long 30mm of body the fresh and alive shrimp with ovums that physically well develop, body surface does not have parasite, body colour is transparent; Color according to the shrimp ovum is classified shrimp with ovums, and the shrimp ovum that guarantees same color is in same hatchery, thus the synchronism that the assurance hatching is emerged; Density by every cubic metre of 1000 shrimp with ovums is put into the hatchery, puts into an amount of veil in the hatchery, the rotten and shrimp feed of the fish of alternately throwing something and feeding every day, and daily ration of feeding is the 4%-6% of shrimp body weight, and in time adjusts feeding volume according to residual bait situation;
(6) young is grown seedlings:
In the hatching process; Slowly in the hatchery, inject the hatching water, the shrimp seedling that hatches gets into nursery pond with fine bourn, the about 5-10 ten thousand tail/cubic meters of control density; A few days ago need not throw something and feed; After treating that water color in the nursery pond is thin out, progressively drop into mash feed, in strict accordance with step (4) control water environment; Beautiful white shrimp has just hatched and has been the oppossum shrimp stage, and when throwing something and feeding mash feed, throw something and feed 7-8 every day, and when treating that the shrimp seedling grows to 0.6-0.8cm, throw something and feed 3-4 every day; During to 1-1.5cm, the shrimp seedling is picked up, put into pond culture.
2. according to claim 1 beautiful white shrimp factorial seedling-culturing method, it is characterized in that: the long 35-45mm of being of described shrimp with ovums preferred body, the shrimp with ovums of absolute oogenesis amount more than 350.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103004671A (en) * | 2013-01-11 | 2013-04-03 | 中国水产科学研究院黄海水产研究所 | Method for manually hatching palaemon carinicauda indoors and preferentially selecting larvas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102715116B (en) * | 2012-07-10 | 2013-08-07 | 中国科学院广州生物医药与健康研究院 | Zebra fish breeding method |
| CN103609502B (en) * | 2013-12-11 | 2015-11-11 | 湖北莱克水产食品股份有限公司 | Procambius clarkii plant modification method |
| CN104322429A (en) * | 2014-10-20 | 2015-02-04 | 扬州市董氏特种水产有限公司 | Special filter system for fishery breeding |
| CN104585100A (en) * | 2015-02-06 | 2015-05-06 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | High-yield culturing method for white shrimps |
| CN108575834A (en) * | 2018-04-11 | 2018-09-28 | 集美大学 | A kind of method handling surface water and the method for preventing sea eel ich |
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| CN101664003A (en) * | 2008-09-04 | 2010-03-10 | 李活 | Industrial shrimp larva breeding mode |
| CN101849515A (en) * | 2009-03-30 | 2010-10-06 | 黄大生 | Fresh water shrimp culture method |
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| CN103004671A (en) * | 2013-01-11 | 2013-04-03 | 中国水产科学研究院黄海水产研究所 | Method for manually hatching palaemon carinicauda indoors and preferentially selecting larvas |
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