CN103283659A - Method for cultivating Antarctic krill in aquarium - Google Patents
Method for cultivating Antarctic krill in aquarium Download PDFInfo
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- CN103283659A CN103283659A CN2013102542024A CN201310254202A CN103283659A CN 103283659 A CN103283659 A CN 103283659A CN 2013102542024 A CN2013102542024 A CN 2013102542024A CN 201310254202 A CN201310254202 A CN 201310254202A CN 103283659 A CN103283659 A CN 103283659A
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- water
- aquarium
- krill
- bait
- density
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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 method for cultivating Antarctic krill in an aquarium. According to the technical scheme, the method for cultivating the Antarctic krill in the aquarium comprises the steps of Antarctic krill living body collection, cultivating box arrangement, controlling of water temperature, salinity and light of aquatic water and controlling of cultivating density, bait kinds and bait density. The method is characterized in that Antarctic krill living body collection is performed at night. A cultivating box utilizes an aquarium with the light transmittance of 20 percent, and the size of an aquarium body is 2.0m*0.5m*0.5m. The temperature of the aquatic water is controlled within a range of 0 DEG C to 1 DEG C, the salinity is 33.5-34.5, or Antarctic natural surface layer seawater with impurities filtered is utilized as the aquatic water. The cultivating density of the Antarctic krill is 1000/m<3>. The bail is Phaeodactylum triconutum and pyramimonas sp. Bait casting is performed for four times every day, water samples are collected before bait collecting, and analysis of bait density and water quality of the water is taken as the basis for next bait casting and water replacing. The density of the Phaeodactylum triconutum and the pyramimonas sp is 0.5-3mg chla/m<3>.
Description
Technical field
The present invention relates to the cultural method of krill.
Background technology
Krill receives the concern of international fishery day by day with its rich in natural resources, and become the focus of correlative study, because krill living environment is special, and distance is domestic very far away, and it is very difficult to obtain live body krill sample, and krill live body sample is the key of researchs such as krill population biology, genetic structure, therefore, in order to satisfy the scientific research needs, suitable cultural method must be arranged, but do not see the correlative study report at present.
Summary of the invention
The method that provides a kind of aquarium breed krill that the present invention need solve is for domestic scientific research provides the krill biopsy sample.
Technical scheme of the present invention comprises the collection of krill live body, breeding box arranges, breeding water body water temperature, salinity, illumination control, cultivation density, bait kind and food density control, it is characterized in that the krill live body is captured in carries out night, and using netting gear is that net is applied in the sampling of krill live body; Breeding box employing light transmittance is 20% aquarium, and casing length * wide * height is 2.0m * 0.5m * 0.5m; Breeding water body water temperature control range is 0～1 ℃, and salinity is 33.5-34.5 or adopts the natural surface seawater in the South Pole to remove impurity after filtration as breeding water body; The krill cultivation density is 1000 tails/m
3Bait is Phaeodactylum tricornutum and tower born of the same parents algae, carry out four bait throwing in every day, gather the aquarium water sample before the bait throwing in, carry out the foundation that water body food density, water quality analysis are changed as next bait throwing in and water quality, keep in the aquarium that two kinds of algae density are 0.5-3mg chla/m in the water body
3
Outstanding feature of the present invention is to carry out the krill collection at night, successfully collects the krill live body; Breeding box adopts the semi-enclosed glass aquarium of light transmittance 20%, has solved the illumination difference that greatest differences that krill life water layer on daytime and the breeding box degree of depth exist causes; Control breeding water body water temperature range is 0～1 ℃, and salinity provides suitable life condition for 33.5-34.5 for the krill live body; The krill cultivation density is 1000 tails/m
3, algae density is 0.5-3mg chla/m
3Remarkable for krill live body culture efficiency, survival rate reaches 88%, cultures for krill live body aquarium and has founded feasible cultural method.
Embodiment
The present invention lives in 50-100 rice water layer under water daytime through investigating krill, night, krill swam in the life habit of water meter, having analyzed and having fished for the reason that causes krill death daytime is the water impact that causes of water body pressure gap, netting gear towing and the extruding of net capsule, selected krill live body is captured in fishes for deposited net night, can reduce the krill chance of injury, reject the more weak and injured krill of physique, the residue krill is pulled out and places aquarium; Casing length * wide * height is 2.0m * 0.5m * 0.5m; Breeding water body is 0～1 ℃ by chilled water system control water temperature range, purify water with circulated filter system, the water body rate of filtration is 1L/s, the maintenance water salinity is 33.5-34.5, removes water body spot, shrimp shell simultaneously or adopts the natural surface seawater in the South Pole to remove impurity after filtration as breeding water body; The krill cultivation density is 1000 tails/m
3Bait is Phaeodactylum tricornutum and tower born of the same parents algae, carry out four bait throwing in every day, gather krill aquarium water sample before the bait throwing in, carry out the foundation that water body food density, water quality analysis are changed as next bait throwing in and water quality, keep in the aquarium that two kinds of algae density are 0.5-3mg chla/m in the water body
3, preceding 1 hour of bait throwing in, water volume flow rate suitably increases in the aquarium, can promote that krill ingests, but water volume flow rate is answered ﹤ 2L/s; Be 20% condition at the aquarium light transmittance, use common day to turn off the light and carrying out illumination that every day, light application time was 16 hours.
Claims (2)
1. aquarium is cultured the method for krill, comprises the collection of krill live body, the breeding box setting, and breeding water body water temperature, salinity, illumination control, cultivation density, bait kind and food density control, it is characterized in that the krill live body is captured in carries out night; Breeding box employing light transmittance is 20% aquarium, and casing length * wide * height is 2.0m * 0.5m * 0.5m; Breeding water body water temperature control range is 0～1 ℃, and salinity is 33.5-34.5 or adopts the natural surface seawater in the South Pole to remove impurity after filtration as breeding water body; The krill cultivation density is 1000 tails/m
3Bait is Phaeodactylum tricornutum and tower born of the same parents algae, carry out four bait throwing in every day, gather the aquarium water sample before the bait throwing in, carry out the foundation that water body food density, water quality analysis are changed as next bait throwing in and water quality, keep in the aquarium that two kinds of algae density are 0.5-3mg chla/m in the water body
3
2. aquarium according to claim 1 is cultured the method for krill, it is characterized in that bait throwing in preceding 1 hour, and water volume flow rate suitably increases in the aquarium, but water volume flow rate should be less than ﹤ 2L/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102542024A CN103283659A (en) | 2013-06-24 | 2013-06-24 | Method for cultivating Antarctic krill in aquarium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102542024A CN103283659A (en) | 2013-06-24 | 2013-06-24 | Method for cultivating Antarctic krill in aquarium |
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| Publication Number | Publication Date |
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| CN103283659A true CN103283659A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102542024A Pending CN103283659A (en) | 2013-06-24 | 2013-06-24 | Method for cultivating Antarctic krill in aquarium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186394A (en) * | 2014-09-25 | 2014-12-10 | 苏州市相城区新时代特种水产养殖场 | Cultivation method for crystal shrimps |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146709A (en) * | 1994-02-28 | 1997-04-02 | 拜奥蔡姆系统公司 | Euphausiid harvesting and processing method and apparatus |
-
2013
- 2013-06-24 CN CN2013102542024A patent/CN103283659A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1146709A (en) * | 1994-02-28 | 1997-04-02 | 拜奥蔡姆系统公司 | Euphausiid harvesting and processing method and apparatus |
Non-Patent Citations (6)
| Title |
|---|
| S.W.STRAND ET AL: "Schooling behavior of Antarctic krill(Euphausia superba) in laboratory aquaria: reactions to chemical and visual stimuli", 《MARINE BIOLOGY》, vol. 106, no. 3, 1 October 1990 (1990-10-01), pages 355 - 359 * |
| SO KAWAGUCHI ET AL: "An experimental aquarium for observing the schooling behaviour of Antarctic krill (Euphausia superba)", 《DEEP-SEA RESEARCH Ⅱ》, vol. 57, no. 78, 30 April 2010 (2010-04-30), pages 683 - 692 * |
| 孙松等: "南极磷虾的生长和复眼直径关系的研究", 《南极研究（中文版）》, vol. 8, no. 1, 30 March 1996 (1996-03-30), pages 1 - 7 * |
| 徐鹏翔等: "光照条件下南极磷虾的行为观察", 《水产学报》, vol. 26, no. 2, 15 February 2012 (2012-02-15), pages 200 - 305 * |
| 朱根海: "南极大磷虾胃含物中浮游植物的初步分析", 《海洋学报》, vol. 10, no. 5, 27 October 1988 (1988-10-27), pages 646 - 654 * |
| 李莹春等: "人工条件下南极磷虾的温度耐受性试验观察", 《江苏农业科学》, vol. 40, no. 9, 25 September 2012 (2012-09-25), pages 204 - 206 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186394A (en) * | 2014-09-25 | 2014-12-10 | 苏州市相城区新时代特种水产养殖场 | Cultivation method for crystal shrimps |
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Application publication date: 20130911 |