CN112602636B - High-density artemia egg hatching method fully utilizing hatching water body - Google Patents
High-density artemia egg hatching method fully utilizing hatching water body Download PDFInfo
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- CN112602636B CN112602636B CN202011504722.2A CN202011504722A CN112602636B CN 112602636 B CN112602636 B CN 112602636B CN 202011504722 A CN202011504722 A CN 202011504722A CN 112602636 B CN112602636 B CN 112602636B
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- hatching
- density
- artemia cysts
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- artemia
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- 230000012447 hatching Effects 0.000 title claims abstract description 160
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 18
- 241001247197 Cephalocarida Species 0.000 title claims abstract 22
- 208000031513 cyst Diseases 0.000 claims abstract description 60
- 235000013601 eggs Nutrition 0.000 claims description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003623 enhancer Substances 0.000 abstract description 2
- 241000238582 Artemia Species 0.000 description 50
- 238000011534 incubation Methods 0.000 description 22
- 239000012530 fluid Substances 0.000 description 9
- 239000004568 cement Substances 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 241000238426 Anostraca Species 0.000 description 2
- 241000238557 Decapoda Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000238424 Crustacea Species 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/17—Hatching, e.g. incubators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a high-density hatching method for artemia cysts by fully utilizing hatching water, which is characterized by comprising the following steps of: hatching the artemia cysts in two stages; wherein the hatching density of the artemia cysts in the first hatching stage is not less than 5g/L, and the hatching time is not less than 3 h; the hatching density of the artemia cysts in the second hatching stage is lower than that in the first hatching stage and the hatching time in the second hatching stage is longer than that in the first hatching stage. The invention has the beneficial effects that: high-density hatching of artemia cysts is realized on the basis of ensuring higher hatching rate; the utilization rate of the hatching pond/container and the water body is improved, so that the problems of low water body utilization rate and poor water quality of the existing hatching mode are solved. In addition, the hatching method has wide application range and can be used for the conventional hatching of the artemia cysts, shelling hatching and hatching by adding a hatching enhancer.
Description
Technical Field
The invention belongs to the field of aquatic seedling culture, and particularly relates to a high-density hatching method for artemia cysts by fully utilizing a hatching water body.
Background
Artemia (Brine shrimp, Artemia) is commonly called Brine shrimp, is a small-sized crustacean living in a high-salinity water area, and Artemia nauplii hatched from Artemia eggs are indispensable initial feed for young aquaculture animals such as fishes, shrimps and crabs, and can greatly improve the survival rate of artificial breeding of the aquaculture animals. The quality of production and hatching of artemia cysts become one of the bottlenecks of aquatic breeding, particularly seawater breeding. The hatching density of the artemia cysts is low, and the hatching density is only 1-2 g/L or even lower when a using unit actually produces the artemia cysts. The incubation period of the artemia cysts is generally more than 24 hours, and in addition, the incubation container is filled with water and heated before the artemia cysts are incubated, air is stopped after incubation is finished, the cysts and the shells are separated, larvae are discharged and cleaned, and the like, the whole process needs about 30 hours, so that the incubation container of the artemia cysts incubation field can be used by only half every day, the other half of the incubation container needs to be used for the next day, and the utilization rate of the incubation water body is only 50%. In addition, all the artemia cysts are incubated at one time, namely the whole incubation process of the artemia cysts is always carried out in a fixed incubation container, so that the water quality of incubation water is deteriorated in the incubation process of more than 24 hours, and the incubation density can only be maintained at a lower level.
Therefore, a method for hatching artemia cysts in high density by fully utilizing a hatching water body is urgently needed to be developed, the hatching density of the artemia cysts is improved on the basis of ensuring the hatching rate of the artemia cysts, the utilization rate of the hatching water body of the artemia cysts in a hatching field is fully improved, and more artemia nauplii are hatched in a short time so as to meet the requirement of initial feeding of aquatic seedlings.
Disclosure of Invention
The invention aims to provide a method for hatching artemia cysts at high density by fully utilizing hatching water, which solves the problems of low utilization rate of the artemia cysts hatching water and waste of hatching containers in the prior art and realizes high-density hatching of the artemia cysts.
The technical scheme of the invention is as follows:
a high-density hatching method of artemia cysts by fully utilizing a hatching water body is characterized in that:
hatching the artemia cysts in two stages; wherein the hatching density of the artemia cysts in the first hatching stage is not less than 5g/L, and the hatching time is not less than 3 h; the hatching density of the artemia cysts in the second hatching stage is lower than that in the first hatching stage and the hatching time in the second hatching stage is longer than that in the first hatching stage.
Further, the hatching density of the artemia cysts in the first hatching stage is 5-20g/L, and the hatching time is 3-10 h.
Further, the hatching density of the artemia cysts in the first hatching stage is 10-15 g/L, and the hatching time is 4-5 h.
Further, the hatching density of the artemia cysts in the second hatching stage is 1-3 g/L.
Furthermore, the artemia eggs for hatching are shelled artemia eggs or shelled artemia eggs.
Further, the first hatching stage adopts direct hatching or hatching reinforcer is added for hatching.
The invention has the beneficial effects that:
1) high-density hatching of artemia cysts is realized on the basis of ensuring high hatching rate, wherein the hatching density in the first stage can reach 15-20g/L, and the hatching density in the second stage also reaches 3 g/L.
2) The utilization rate of the hatching pond/container and the water body is improved, and the daily utilization rate of the hatching water body reaches more than 80 percent, so that the problems of low water body utilization rate and poor water quality of the existing hatching mode are solved.
3) The hatching method has wide application range and can be used for the conventional hatching of the artemia cysts, shelling hatching and hatching by adding a hatching enhancer.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the following specific examples. The artemia cysts used in the following examples are all saltwater artemia cysts produced by kazakhstan.
Example 1
A first hatching stage: hatching by using a 60L conical bottom hatching barrel, and putting 750g of artemia cysts into a hatching barrel filled with 50L of hatching liquid for hatching, wherein the hatching density of the artemia cysts is 15g/L, and the artemia cysts are hatched for 6 hours.
A second hatching stage: evenly distributing the artemia cysts and hatching fluid which pass through the first hatching stage into five 60L conical bottom hatching barrels, supplementing new hatching fluid to enable the water body of the hatching fluid in each hatching barrel to be 50L, enabling the hatching density to be 3g/L at the moment, and continuing hatching for 18 h. The incubation conditions were conventional.
After the hatching is finished, the hatching rate of the artemia cysts is 81.5 percent; five of six conical bottom hatching barrels can be used every day, and the utilization rate of the hatching container reaches 83%.
Example 2
A first hatching stage: hatching by using a 500L conical bottom hatching barrel, firstly shelling 6000g of artemia cysts, and then putting the shelled artemia cysts into a hatching barrel filled with 500L of hatching liquid for hatching, wherein the hatching density of the artemia cysts is 12g/L, and hatching is carried out for 5 h.
A second hatching stage: evenly distributing the artemia cysts and hatching fluid which pass through the first hatching stage into four 500L hatching barrels with conical bottoms, supplementing new hatching fluid, enabling the water body of the hatching fluid in each hatching barrel to be 500L, enabling the hatching density to be 3g/L at the moment, and continuing to hatch for 19 h. The incubation conditions were conventional.
After the incubation is finished, the hatching rate of the artemia cysts is 80.8 percent; four of the five conical bottom hatching barrels can be used every day, and the utilization rate of the hatching container reaches 80 percent.
Example 3
Incubation was performed using a 2000L cement incubation cell.
A first hatching stage: and (3) adding 8000g of artemia cysts into an incubation barrel filled with 500L of incubation liquid to incubate, wherein the incubation density of the artemia cysts is 16g/L, and incubating for 5 h.
A second hatching stage: evenly distributing the artemia cysts and hatching fluid which pass through the first hatching stage into two 2000L cement hatching ponds, supplementing new hatching fluid to ensure that the water body of the hatching fluid in each hatching pond is 2000L, wherein the hatching density is 2g/L at the moment, and continuously hatching for 19 h. The incubation conditions were conventional.
After the incubation is finished, the hatching rate of the artemia cysts is 80.1 percent; the two cement hatching ponds can be used every day, the utilization rate of the cement hatching ponds reaches 100%, and the utilization rate of water reaches 89%.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A high-density hatching method of artemia cysts by fully utilizing a hatching water body is characterized in that: hatching the artemia cysts in two stages; wherein the hatching density of the artemia cysts in the first hatching stage is not less than 5g/L, and the hatching time is not less than 3 h; the hatching density of the artemia cysts in the second hatching stage is lower than that in the first hatching stage and the hatching time in the second hatching stage is longer than that in the first hatching stage.
2. The method for high-density hatching of artemia cysts according to claim 1, wherein: the hatching density of the artemia cysts in the first hatching stage is 5-20g/L, and the hatching time is 3-10 h.
3. The method for high-density hatching of artemia cysts according to claim 1, wherein: the hatching density of the artemia cysts in the first hatching stage is 10-15 g/L, and the hatching time is 4-5 h.
4. The method for hatching artemia cysts at high density according to any one of claims 1 to 3, wherein: the hatching density of the artemia cysts in the second hatching stage is 1-3 g/L.
5. The method for high-density hatching of artemia cysts according to claim 4, wherein: the artemia eggs for hatching are artemia eggs with shells or artemia eggs with shells.
6. The method for high-density hatching of artemia cysts according to claim 5, wherein: the first hatching stage adopts direct hatching or hatching reinforcer is added for hatching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504722.2A CN112602636B (en) | 2020-12-18 | 2020-12-18 | High-density artemia egg hatching method fully utilizing hatching water body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504722.2A CN112602636B (en) | 2020-12-18 | 2020-12-18 | High-density artemia egg hatching method fully utilizing hatching water body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112602636A CN112602636A (en) | 2021-04-06 |
| CN112602636B true CN112602636B (en) | 2022-01-18 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1195088A1 (en) * | 2000-10-05 | 2002-04-10 | Inve Technologies N.V. | Method for producing free swimming Artemia nauplii and packaged cysts for use in that method |
| CN1631131A (en) * | 2004-11-12 | 2005-06-29 | 付瑞岭 | Artemia ovum hatching method with high hatchability rate |
| CN105815276A (en) * | 2015-01-09 | 2016-08-03 | 天津丰年水产养殖有限公司 | Special culturing salt for increasing hatchability of brine shrimp eggs |
| CN107711640A (en) * | 2017-11-02 | 2018-02-23 | 广西沙田仙人滩农业投资有限公司 | A kind of method for fine finishing of artemia cysts |
| CN109122446A (en) * | 2018-09-01 | 2019-01-04 | 周玉兰 | A kind of processing method improving brine shrimp eggs hatching rate |
-
2020
- 2020-12-18 CN CN202011504722.2A patent/CN112602636B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1195088A1 (en) * | 2000-10-05 | 2002-04-10 | Inve Technologies N.V. | Method for producing free swimming Artemia nauplii and packaged cysts for use in that method |
| CN1631131A (en) * | 2004-11-12 | 2005-06-29 | 付瑞岭 | Artemia ovum hatching method with high hatchability rate |
| CN105815276A (en) * | 2015-01-09 | 2016-08-03 | 天津丰年水产养殖有限公司 | Special culturing salt for increasing hatchability of brine shrimp eggs |
| CN107711640A (en) * | 2017-11-02 | 2018-02-23 | 广西沙田仙人滩农业投资有限公司 | A kind of method for fine finishing of artemia cysts |
| CN109122446A (en) * | 2018-09-01 | 2019-01-04 | 周玉兰 | A kind of processing method improving brine shrimp eggs hatching rate |
Non-Patent Citations (1)
| Title |
|---|
| 卤虫种质库的建立及其生物学特性的研究;赵光平;《中国优秀硕士学位论文全文数据库 农业科技辑》;20150615(第06期);全文 * |
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| CN112602636A (en) | 2021-04-06 |
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Granted publication date: 20220118 |