CN103999806A - Method for breeding seawater fish fries by means of periodic treatment of nano-silver solutions - Google Patents
Method for breeding seawater fish fries by means of periodic treatment of nano-silver solutions Download PDFInfo
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- CN103999806A CN103999806A CN201410185051.6A CN201410185051A CN103999806A CN 103999806 A CN103999806 A CN 103999806A CN 201410185051 A CN201410185051 A CN 201410185051A CN 103999806 A CN103999806 A CN 103999806A
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- nano silver
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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
The invention relates to a method for breeding seawater fish fries by means of periodic treatment of nano-silver solutions. The method comprises the following steps that water is set and treated; one half of aquatic water is replaced with fresh water, treatment water is formed, and the nano-silver solutions are added in the treatment water until the effective concentration is 0.5 ppm to 1.0 ppm, and then immersion bath is performed; the immersion bath interval time is seven days; bait is fed; seawater fish opening bait is fed, morning, noon and afternoon three-time feeding is performed every day until the fish is gorged, residual bait and faeces are sucked one hour after feeding, and 1/3 water is replaced every other day. According to the method, the survival rate of fry breeding of the seawater fish can be effectively improved.
Description
Technical field
The present invention relates to seawater fry rearing technical field, particularly relate to a kind of Nano silver solution that utilizes and regularly process the method for cultivating seawater fry.
Background technology
Stimulate cryptonucleus insect (Cryptocaryonirritans) also to cry seawater little melonworm, belong to protozoa, Ciliophora, few film Ciliata, Hymenostomatia, Hymenostomatida, recess section, cryptonucleus insect genus.Stimulate cryptonucleus insect without specific host, almost endanger all marine fish, comprise large yellow Crocker, turbot, threadfin, black porgy, red snapper, grouper, egg-shaped pompano etc.Under nature, wild seawater fish the breaking out of cryptonucleus insect that be seldom upset, mainly comes from nature marine site host's density lower.But in high-density breeding places such as overlay film Tu Chi, cement pit, indoor aquarium and seawater cages, polypide just can amount reproduction.In waters, cultivation density is too high, sea environment variation is excessive, current are smooth and fish body malnutrition also can cause that seawater stimulates cryptonucleus insect amount reproduction.In recent years in Fujian, the main marine fish culture area such as Zhejiang, Guangdong stimulates cryptonucleus insect to break out frequently, in the seedling raising process such as good breed variety threadfin newly developed, silvery pomfret and grouper, causes comparatively serious economic loss.
Therefore how to suppress cryptonucleus insect breeding and become the problem of needing solution badly, existing common method is to change breeding water body salinity (thereby normally adding fresh water to reduce seawater salinity) water-bath immersion, fresh water water-bath immersion and copper sulphate and the processing of ferrous sulfate intermixture, but its effect is still unstable.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Nano silver solution that utilizes and regularly processes the method for cultivating seawater fry, can effectively improve fry survival rate.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of Nano silver solution that utilizes regularly to process the method for cultivating seawater fry, comprise the following steps:
(1) set handling water body: change 1/2 breeding water body with fresh water, and add Nano silver solution concentration to 0.5～1.0ppm to carry out dipping bath;
(2) bait feeding: the fish starter diet of throwing something and feeding, every natural gift are early, neutralization throws something and feeds to being satiated with food for three times evening, the residual bait ight soil of sucking-off after throwing something and feeding 1 hour, the next day change water 1/3.
In described step (1), the dipping bath time is 2 hours.
In described step (1), the dipping bath time interval is 7 days.
Described Nano silver solution adopts chemical reducing agent method to be prepared.
Seawater in described breeding water body adopts sand filtration nature seawater.
Fresh water in described processing water body adopts underground well water.
The water temperature of described processing water body is controlled at 24～27 DEG C, uninterruptedly inflates dissolved oxygen > 7.0mg/L.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art, there is following advantage and good effect: the present invention is by changing 1/2 fresh water and adding Nano silver solution to breeding water body, carrying out the young pheasant fish of threadfin at interval of the mode of 7 days dipping baths 1 time cultivates and can effectively suppress cryptonucleus insect breeding, experimental result for threadfin pheasant fish shows, adopt the young pheasant fish of threadfin of methods experiment of the present invention to ingest well, survival rate reaches 81.7%; And the young pheasant fish of the threadfin of control group is in the time cultivating by 30 days, stimulate in various degree cryptonucleus insect by microexamination, survival rate is only 42.5%.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiments of the present invention relate to a kind of method of young pheasant fish of cultivation that utilizes Nano silver solution, comprise the following steps: (1) set handling water body: change 1/2 breeding water body with fresh water, and add Nano silver solution concentration to 0.5～1.0ppm to carry out dipping bath, wherein, the dipping bath time can be 2 hours, and the dipping bath time interval can be 7 days; (2) bait feeding: the fish starter diet of throwing something and feeding, every natural gift are early, neutralization throws something and feeds to being satiated with food for three times evening, the residual bait ight soil of sucking-off after throwing something and feeding 1 hour, the next day change water 1/3.
Further illustrate the present invention as an example of threadfin juvenile fish example below.
Experimental fish adopts propagates a threadfin juvenile fish in age (total length 0.95～1.30cm left and right) artificially.What duration of test juvenile fish was thrown something and fed is import brand fish starter diet (crude protein content >=55%).
800 tails of selecting at random from preparation juvenile fish before experiment starts are placed in respectively 4 depth of water 1m, and in the circular glass molten steel family container of diameter 1m, 2 components become two experiment processed group, are respectively contrast cultivation group and cultivation group of the present invention.
Experimental session seawater adopts sand filtration nature seawater (salinity 28 ± 2), and fresh water adopts underground well water.Experimental session water temperature is controlled at 24～27 DEG C, uninterruptedly inflation, DO > 7.0mg/L.The import brand of throwing something and feeding between experiment fish starter diet (protein content >=55%).Every natural gift early (6:00～8:00), in (12:00～13:00) and late (18:00～19:00) throw something and feed to being satiated with food for three times, the residual bait ight soil of sucking-off after the 1h that throws something and feeds, the next day change water 1/3.
The Nano silver solution that cultivation group of the present invention is used adopts chemical method to make.Contrast cultivation group is used copper sulphate: the solution that ferrous sulfate is 5:1.
In cultivating process, adopt simple sand coarse aggregate ratio natural seawater 30 days.Contrast cultivation group is processed 2 hours at interval of the copper sulphate ferrous sulfate mixed solution that uses 0.2～0.3ppm effective concentration for 7 days in former breeding water body, and process once for 7 days at interval; Cultivation group of the present invention is used 0.5～1.0ppm effective concentration Nano silver solution to process 2 hours after former cultivation Shui nationality water body being changed to 1/2 fresh water at interval of 7 days.
Result comparison: in cultivation group of the present invention, the survival rate of threadfin juvenile fish reaches 81.7%, in contrast cultivation group, the survival rate of threadfin juvenile fish is only 42.5%.As can be seen here, the present invention is by regularly replacing 1/2 fresh water at cultivation water body and using the mode of Nano silver solution to carry out effectively suppressing cryptonucleus insect breeding; And the young pheasant fish of the threadfin of control group is in the time cultivating by 30 days, stimulate in various degree cryptonucleus insect by microexamination.
Claims (7)
1. utilize Nano silver solution regularly to process a method of cultivating seawater fry, it is characterized in that, comprise the following steps:
(1) set handling water body: change 1/2 breeding water body with fresh water, and add Nano silver solution concentration to 0.5～1.0ppm to carry out dipping bath;
(2) bait feeding: the fish starter diet of throwing something and feeding, every natural gift are early, neutralization throws something and feeds to being satiated with food for three times evening, the residual bait ight soil of sucking-off after throwing something and feeding 1 hour, the next day change water 1/3.
2. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, in described step (1), the dipping bath time is 2 hours.
3. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, in described step (1), dipping bath interval time is 7 days.
4. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, described Nano silver solution adopts chemical reducing agent method to be prepared.
5. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, the seawater in described breeding water body adopts sand filtration nature seawater.
6. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, the fresh water in described processing water body adopts underground well water.
7. the Nano silver solution that utilizes according to claim 1 is regularly processed the method for cultivating seawater fry, it is characterized in that, the water temperature of described processing water body is controlled at 24～27 DEG C, uninterruptedly inflates dissolved oxygen > 7.0mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410185051.6A CN103999806B (en) | 2014-05-05 | 2014-05-05 | A kind of Nano silver solution that utilizes regularly processes the method for cultivating seawater fry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410185051.6A CN103999806B (en) | 2014-05-05 | 2014-05-05 | A kind of Nano silver solution that utilizes regularly processes the method for cultivating seawater fry |
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| CN103999806A true CN103999806A (en) | 2014-08-27 |
| CN103999806B CN103999806B (en) | 2015-10-28 |
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| CN201410185051.6A Expired - Fee Related CN103999806B (en) | 2014-05-05 | 2014-05-05 | A kind of Nano silver solution that utilizes regularly processes the method for cultivating seawater fry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973122A (en) * | 2019-12-18 | 2020-04-10 | 中国科学院海洋研究所 | Antibacterial preservation method for zostera marina seeds |
| CN115299386A (en) * | 2022-06-15 | 2022-11-08 | 中国水产科学研究院东海水产研究所 | Method for improving breeding survival rate of larval and juvenile pseudosciaena crocea |
Citations (4)
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|---|---|---|---|---|
| CN1876293A (en) * | 2006-04-03 | 2006-12-13 | 庄平 | Nano-class silver colloidal solution and preparation method thereof |
| KR20070084813A (en) * | 2006-02-22 | 2007-08-27 | 지종수 | Method of manufacturing water quality and sterilization composition of fish farm |
| CN101406164A (en) * | 2008-10-13 | 2009-04-15 | 广东海洋大学 | Layered cultivation technique of Japan marsupenaeus japonicus and supporting facilities thereof |
| CN102144596A (en) * | 2011-05-09 | 2011-08-10 | 中国水产科学研究院黄海水产研究所 | Method for hybridizing female verasper variegatus and male verasper moseri for breeding and fry cultivating |
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2014
- 2014-05-05 CN CN201410185051.6A patent/CN103999806B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070084813A (en) * | 2006-02-22 | 2007-08-27 | 지종수 | Method of manufacturing water quality and sterilization composition of fish farm |
| CN1876293A (en) * | 2006-04-03 | 2006-12-13 | 庄平 | Nano-class silver colloidal solution and preparation method thereof |
| CN101406164A (en) * | 2008-10-13 | 2009-04-15 | 广东海洋大学 | Layered cultivation technique of Japan marsupenaeus japonicus and supporting facilities thereof |
| CN102144596A (en) * | 2011-05-09 | 2011-08-10 | 中国水产科学研究院黄海水产研究所 | Method for hybridizing female verasper variegatus and male verasper moseri for breeding and fry cultivating |
Non-Patent Citations (2)
| Title |
|---|
| 科学技术部中国农村技术开发中心组编: "《设施农业在中国》", 31 October 2006, article "工厂化养殖" * |
| 黄玮等: "刺激隐核虫及其防治措施的研究", 《中国水产》, no. 3, 5 March 2005 (2005-03-05) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973122A (en) * | 2019-12-18 | 2020-04-10 | 中国科学院海洋研究所 | Antibacterial preservation method for zostera marina seeds |
| CN115299386A (en) * | 2022-06-15 | 2022-11-08 | 中国水产科学研究院东海水产研究所 | Method for improving breeding survival rate of larval and juvenile pseudosciaena crocea |
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| CN103999806B (en) | 2015-10-28 |
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