CN102860275A - Quick high-efficiency culturing method of large-size seedlings of jellyfishes - Google Patents
Quick high-efficiency culturing method of large-size seedlings of jellyfishes Download PDFInfo
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- CN102860275A CN102860275A CN2012103827214A CN201210382721A CN102860275A CN 102860275 A CN102860275 A CN 102860275A CN 2012103827214 A CN2012103827214 A CN 2012103827214A CN 201210382721 A CN201210382721 A CN 201210382721A CN 102860275 A CN102860275 A CN 102860275A
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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
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Abstract
A quick high-efficiency culturing method of large-size seedlings of jellyfishes includes the following steps of building an outdoor temporary large-size jellyfish seedling culturing net bag in a jellyfish culturing pond on the condition that an address of the net bag is required to be at the middle position of a windward port of a current common wind direction; continuously monitoring water quality in the net bag one week before seedling arranging, and selecting proper time to arrange seedlings; feeding artemia nauplius in the afternoon after seedling arranging, and continuously detecting indexes of the water quality of the net bag everyday; and feeding cultured freshed probiotics of exponential phase once every two days. After about seven days, the umbrella diameter of the jellyfishes can quickly reach 5cm from 1cm in the initial seedling arranging, and seedling requirements are met. By the quick high-efficiency culturing method, jellyfish growth speed is increased, the umbrella diameter can be quickly increased to 5cm from 1cm in seven days, and meanwhile, natural baits in the pond can partially substitute for artmia nauplius, water refreshment is omitted, cost of labor, water and electricity is saved, and sufficient large-size seedlings can be provided for jellyfish culturing.
Description
Technical field
The invention belongs to jellyfish seed cultural technique field, relate to particularly rapidly and efficiently breeding method of a kind of jellyfish large size seedling seed.
Background technology
Jellyfish (Rhopilema esculenta Kishinouye 1891) is commonly called as silk floss and bites, and is under the jurisdiction of Coelenterata, Scyphozoa, the female order of root saliva, the female section of root saliva, jellyfish genus.China is the country that researchs and develops the earliest in the world, utilizes the jellyfish resource, and jellyfish processing dry product is found a good sale in tens countries and regions such as Japan, Korea S, the U.S., France, Singapore.Yet as the important object of fishing for of China's shore fishery, jellyfish once accounted for more than 90% of all edible jellyfishes, but sharply descended from its fishery output of 20 century 70s, and the jellyfish price is soaring rapidly.From the eighties, along with the breakthrough of artificial breeding, the jellyfish enhancement releasing is operated in China and launches rapidly with propagating artificially.Yet along with China's jellyfish enhancement releasing and the development of propagating industry artificially, increasing problem is presented in face of China scientific worker, and the cultivation of jellyfish large size seedling seed is one of them.Jellyfish is propagated artificially basic for growing seedlings+the pond stocking model in the workshop at present, or grow seedlings+extensive supporting temporarily+the pond stocking model in the workshop, since do not handle well jellyfish by the workshop to large this transitional period of water surface water body, it is high to cause propagating artificially the jellyfish Infant Mortality, poor growth has had a strong impact on the jellyfish cultured output.
Summary of the invention
The technical problem to be solved in the present invention provides rapidly and efficiently breeding method of a kind of jellyfish large size seedling seed, solves by the workshop flood of growing seedlings and recuperates into that transitional jellyfish seed lethality is high, poky problem.
The present invention is achieved through the following technical solutions:
A kind of jellyfish large size seedling seed is breeding method rapidly and efficiently, comprises addressing, puts seedling, throws something and feeds with water quality monitoring, regulating water quality and emerge, and concrete steps are as follows:
1) addressing arranges the outdoor large size seedling seed of jellyfish and supports temporarily the string bag in jellyfish is formed the pond, and string bag addressing requires the centre position for the windward port of current common wind direction, and the depth of water is at 1.5m-3m;
Further, described step 1) the preferred diameter of the string bag is the circle of 15-20m in, mesh is less than the initial jellyfish seed of throwing in, string bag bottom is near at the bottom of the pond of cultivating pool and use the sandbag compacting, enclose water surface 0.4-0.6m in the time of to exceed full sea on the string bag, so that bait throwing in, observe and select daily management and the operations such as seedling;
2) put Miao Fangmiao and begin water quality in the string bag is continued to monitor the last week, and select suitable time to put seedling;
Further, described step 2) daily monitoring index comprises dissolved oxygen, salinity, temperature, ammonia nitrogen and pH in, and wherein dissolved oxygen requires more than the 5.0mg/L, salinity 20-30, water temperature maintains more than 17 ℃ and day and night temperature is no more than 2 ℃, and ammonia-nitrogen content is not higher than 2mg/L, and pH is between 8.0-8.5;
Further, described step 2) suitable time refers to select calm or gentle breeze 5:00-8:00 in the morning is put seedling in, the preferred precious marine product seed bag hermetic package that adopts of seed carrying transports, adopt the pre-breakage-proof of double-layer plastic bag, seed density according to 1000～3000/liter, be filled with pure oxygen, tighten the sack sealing, haulage time is controlled in the 10h, the temperature difference of water should be put into the string bag if exceed these scope need with whole sealed bag temporarily less than 2 ℃ in transportation water and the string bag, puts seedling after making both temperature difference reach condition again, put ten thousand of seedling 5-10 in each string bag, the depth of water in the concrete view pocket and deciding;
3) throw something and feed and water quality monitoring put seedling after that afternoon begin the artemia nauplii of throwing something and feeding, and continue to detect water quality index in the string bag every day;
Further, described step 3) the halogen worm amount of throwing something and feeding is looked the jellyfish young size every day in, and how much Natural Zooplankton is decided in the string bag pond, jellyfish is is respectively thrown something and fed once every day sooner or later, the jellyfish 25-35% of new hatching artemia nauplii amount for its body weight that ingest every day, jellyfish ingest the criterion of capacity for the 1h that throws something and feeds after central authorities of jellyfish umbrella section fill up artemia nauplii, residue artemia nauplii amount is 5-10/liter in the water body simultaneously;
Further, described step 3) detect the water quality index of string bag bottom middle every day, comprise dissolved oxygen, salinity, temperature, ammonia nitrogen, it is controlled within the normal range (NR), emphasis detects dissolved oxygen and ammonia nitrogen;
4) regulating water quality was thrown in the probio of fresh exponential phase in per two days once for guaranteeing the normal of the interior water quality index of the string bag;
Further, described step 4) probio comprises photosynthetic bacteria, bacillus, nitrifying bacteria, lactic acid bacteria and saccharomycete in, and probio is by 1/1000 of water body volume in the string bag use of evenly splashing;
5) emerged about 7 days after jellyfish umbrella footpath can be when putting seedling at first the 1cm ramp to 5cm, reach the requirement of emerging.
The present invention's beneficial effect compared with prior art:
The invention provides rapidly and efficiently breeding method of a kind of jellyfish large size seedling seed, support temporarily by in advance little individual seed being transferred to outdoor ponds, improved the jellyfish growth rate, its umbrella footpath can be from the 1cm ramp to 5cm in 7 days, the indoor culture jellyfish only grows to 2cm, natural bait in the pond can also part substitute artemia nauplii simultaneously, do not need to change water, manpower and water power cost have been saved, 0.08-0.1 unit when it is worth also by little individual seed to the 0.6-0.7 unit of large standard high quality seed, has increased about 7 times rapidly.In addition the quickly breeding of jellyfish large size seedling seed carry out for the certain areas jellyfish that two batches even three batches of cultivation in 1 year provide may.
Embodiment
The invention will be further described below in conjunction with embodiment:
A kind of jellyfish large size seedling seed is breeding method rapidly and efficiently, and step comprises addressing, put seedling, throw something and feed with water quality monitoring, regulating water quality and emerge, and concrete steps are as follows:
1) addressing in the Rongcheng good main jellyfish form the outdoor string bag of supporting temporarily of jellyfish be set in the pond, string bag addressing is in the centre position, windward port of common wind direction in May, and depth of water 2m and 3m place arrange 10 string bags altogether.
Above-mentioned jellyfish support temporarily the string bag when arranging common wind direction be south wind, the depth of water can be controlled in the 2-3m scope, the experiment string bag is the circle of diameter 15m, the mesh number of the string bag is 3, be slightly less than the jellyfish seed of initial input, the bottom of the string bag is near the cultivating pool bottom and use the sandbag compacting, fixes with bamboo pole every 2m around the string bag, and the string bag exceeds full sea water surface 0.5m.
2) put Miao Fangmiao and begin water quality in the string bag is continued to monitor the last week, daily monitoring index comprises dissolved oxygen, salinity, temperature, ammonia nitrogen and pH, and wherein dissolved oxygen is 6.0mg/L, salinity 29.1-29.8, water temperature maintains 19 ± 1.5 ℃, ammonia-nitrogen content 0.9mg/L, and pH is at 8.1-8.3.
Select to put when the 5:00-8:00 fine day is calm on 15 morning of May seedling, the transportation of precious marine product seed bag hermetic package is adopted in the seed carrying, adopt the pre-breakage-proof of double-layer plastic bag, seed density according to 3000/liter is filled with pure oxygen, tightens the sack sealing, packing and haulage time are controlled at 2h, the temperature difference of water is 2 ℃ in transportation water and the string bag, puts seedling 100,000 in each string bag, and the survival rate of transportation jellyfish seed reaches more than 98%.
3) throw something and feed to put behind the seedling with water quality monitoring and begin the artemia nauplii of throwing something and feeding that afternoon, every day, feeding volume was looked the jellyfish Individual Size, and how much Natural Zooplankton is decided in the string bag pond, jellyfish is is respectively thrown something and fed once every day sooner or later, jellyfish food ration every day is 30% of its body weight in general, jellyfish ingest the criterion of capacity for the 1h that throws something and feeds after central authorities of jellyfish umbrella section fill up artemia nauplii, residue artemia nauplii amount is 5-10/liter in the water body simultaneously.
Continue to detect each change of water quality index of the string bag bottom every day, comprise dissolved oxygen, salinity, temperature, ammonia nitrogen, it is controlled within the normal range (NR), emphasis detects dissolved oxygen and ammonia nitrogen.
4) regulating water quality the next morning of putting behind the seedling is brought into use probio, and probio comprises photosynthetic bacteria, bacillus, nitrifying bacteria, lactic acid bacteria, saccharomycete, used once in per two days, usage amount be in the string bag water body volume 1/1000.
5) the 7-8 days jellyfish young that emerge after putting seedling grow to 5cm by 1cm, reach to propagate artificially to put the seedling requirement.
12-24h will stop eating before emerging, first string bag bottom sandbag is pulled out when emerging, afterwards the jellyfish seed in the whole string bag and the string bag is slowly mentioned, make dried up the 50cm in string bag bottom, select healthy and strong individuality after fixing and directly put into the outer large water surface water body of net and form.
Adopt the inventive method that the jellyfish seedling is cultivated, survival rate reaches more than 85%, and the 0.08-0.1 unit when being worth also by little individual seed to the 0.6-0.7 unit of large standard high quality seed, has increased about 7 times rapidly.The indoors artificial of the comparing cultivation jellyfish young only grows to 2cm by 1cm, and the market price of each jellyfish young only is 0.1-0.2 unit, and survival rate is 83%, and this method human cost saves 50% in addition, and has saved the input of the costs such as water power fully.
Claims (6)
1. jellyfish large size seedling seed breeding method rapidly and efficiently comprises addressing, puts seedling, throws something and feeds with water quality monitoring, regulating water quality and emerge, and it is characterized in that its concrete steps are as follows:
1) addressing is formed the built-in outdoor large size seedling seed of jellyfish of establishing in pond jellyfish and is supported temporarily the string bag, and string bag addressing requires the centre position for the windward port of current common wind direction, and the depth of water is at 1.5m-3m;
2) put Miao Fangmiao and begin water quality in the string bag is continued to monitor the last week, and select suitable time to put seedling;
3) throw something and feed and water quality monitoring put seedling after that afternoon begin the artemia nauplii of throwing something and feeding, and continue to detect water quality index in the string bag every day;
4) regulating water quality was thrown in the probio of the fresh exponential phase of cultivating in per two days once for guaranteeing the normal of the interior water quality index of the string bag;
5) emerged about 7 days after jellyfish umbrella footpath can be when putting seedling at first the 1cm ramp to 5cm, reach the requirement of emerging.
2. a kind of jellyfish large size seedling seed according to claim 1 breeding method rapidly and efficiently, it is characterized in that described step 1) in the preferred diameter of the string bag be the circle of 15-20m, mesh is slightly less than the jellyfish seed of initial input, the bottom of the string bag is airtight around reaching simultaneously, water surface 0.4-0.6m in the time of will exceeding full sea is enclosed near at the bottom of the pond of cultivating pool and use the sandbag compacting in the bottom on the string bag.
3. a kind of jellyfish large size seedling seed according to claim 1 breeding method rapidly and efficiently, it is characterized in that described step 2) in daily monitoring index comprise dissolved oxygen, salinity, temperature, ammonia nitrogen and pH, wherein dissolved oxygen requires more than the 5.0mg/L, salinity 20-30, water temperature maintains more than 17 ℃ and day and night temperature is no more than 2 ℃, ammonia-nitrogen content is not higher than 2mg/L, and pH is between 8.0-8.5.
4. a kind of jellyfish large size seedling seed according to claim 1 breeding method rapidly and efficiently, it is characterized in that described step 2) middle suitable time refers to select calm or gentle breeze 5:00-8:00 in the morning is put seedling, the transportation of precious marine product seed bag hermetic package is adopted in the seed carrying, adopt the pre-breakage-proof of double-layer plastic bag, seed density according to 1000～3000/liter, be filled with pure oxygen, tighten the sack sealing, haulage time is controlled in the 10h, the temperature difference of water should be less than 2 ℃ in transportation water and the string bag, need whole sealed bag is put into the string bag temporarily if exceed this scope, put again seedling after making both temperature difference reach condition, put ten thousand of seedling 5-10 in each string bag.
5. a kind of jellyfish large size seedling seed according to claim 1 breeding method rapidly and efficiently, it is characterized in that described step 3) in every day the halogen worm amount of throwing something and feeding look jellyfish young size, and how much Natural Zooplankton is decided in the string bag pond, jellyfish is is respectively thrown something and fed once every day sooner or later, the jellyfish 25-35% of new hatching artemia nauplii amount for its body weight that ingest every day, jellyfish ingest the criterion of capacity for the 1h that throws something and feeds after central authorities of jellyfish umbrella section fill up artemia nauplii, residue artemia nauplii amount is 5-10/liter in the water body simultaneously;
Described step 3) detect the water quality index of the string bag bottom every day in, comprises dissolved oxygen, salinity, temperature, ammonia nitrogen, and it is controlled within the normal range (NR), and emphasis detects dissolved oxygen and ammonia nitrogen.
6. a kind of jellyfish large size seedling seed according to claim 1 breeding method rapidly and efficiently, it is characterized in that described step 4) in probio comprise photosynthetic bacteria, bacillus, nitrifying bacteria, lactic acid bacteria and saccharomycete, probio is by 1/1000 of water body volume in the string bag use of evenly splashing.
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Cited By (5)
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| CN104186393A (en) * | 2014-09-05 | 2014-12-10 | 辽宁每日农业集团有限公司 | Jellyfish breeding method |
| CN105830965A (en) * | 2016-03-30 | 2016-08-10 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | Jellyfish artificial culture method |
| CN106234268A (en) * | 2016-08-03 | 2016-12-21 | 大连海洋大学 | Rhopilema esculenta ecological pond culture nutritional solution and utilize the method that this nutritional solution carries out Rhopilema esculenta nursing |
| CN107832553A (en) * | 2017-11-27 | 2018-03-23 | 天津科技大学 | Jellyfish disaster forecasting system and forecasting procedure based on Marine ecosystem dynamics |
| CN108391606A (en) * | 2018-02-26 | 2018-08-14 | 中国科学院海洋研究所 | A kind of efficient cultural method for improving the sea of sand and biting early stage hydranth survival in industrial seedling rearing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186393A (en) * | 2014-09-05 | 2014-12-10 | 辽宁每日农业集团有限公司 | Jellyfish breeding method |
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| CN105830965A (en) * | 2016-03-30 | 2016-08-10 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | Jellyfish artificial culture method |
| CN106234268A (en) * | 2016-08-03 | 2016-12-21 | 大连海洋大学 | Rhopilema esculenta ecological pond culture nutritional solution and utilize the method that this nutritional solution carries out Rhopilema esculenta nursing |
| CN107832553A (en) * | 2017-11-27 | 2018-03-23 | 天津科技大学 | Jellyfish disaster forecasting system and forecasting procedure based on Marine ecosystem dynamics |
| CN108391606A (en) * | 2018-02-26 | 2018-08-14 | 中国科学院海洋研究所 | A kind of efficient cultural method for improving the sea of sand and biting early stage hydranth survival in industrial seedling rearing |
| CN108391606B (en) * | 2018-02-26 | 2020-11-03 | 中国科学院海洋研究所 | Breeding method for efficiently improving survival of early hydranth in industrial seedling culture of jellyfishes |
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Application publication date: 20130109 |