CN105210944A - A kind of become the method for light migration fishes fry net cage biological breeding - Google Patents
A kind of become the method for light migration fishes fry net cage biological breeding Download PDFInfo
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- CN105210944A CN105210944A CN201510651733.6A CN201510651733A CN105210944A CN 105210944 A CN105210944 A CN 105210944A CN 201510651733 A CN201510651733 A CN 201510651733A CN 105210944 A CN105210944 A CN 105210944A
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- 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
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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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- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention discloses a kind of cutter long-tailed anchovy, America hilsa herring and fugu obscurus etc. and has phototactic important migration fishes fry net cage biological breeding method, comprises and selects old Tu Chi, the dry pool, sterilization; Old native pond water filling rich water, cultivate the plankton of light; The net cage of band light source is set, the 5-7 days after rich water, the hatching flat swimming fish seedling of the light migration fishes that become of latter 5-8 days is put into net cage; In nursery stage, lure the plankton collecting to become light at night with light source, remove net cage when the light migration fishes fry that becomes grows to 1.5cm-2.0cm, summer flower fingerling is continued in steps such as Tu Chi cultivations.The present invention makes full use of migration fishes fry and wheel animalcule phototactic characteristics, and adopt light to lure collection wheel animalcule, fry opening survival rate is high, growth is fast.Net cage intensive seedling production ensure that survival rate and the growth rate of fry.The waste of wheel animalcule can be avoided, the important migration fishes intensive seedling production levels such as cutter long-tailed anchovy, America hilsa herring and fugu obscurus can be promoted, reduce aquaculture cost, improve fry quality.
Description
Technical field
The invention belongs to technical field of aquaculture, relate to a kind of method of fry rearing, especially a kind of cutter long-tailed anchovy, America hilsa herring and fugu obscurus etc. have the net cage biological breeding method of phototactic important migration fishes fry.
Background technology
Coilia ectenes in Yangtze River (hairtail), Chinese hilsa herring (hilsa herring) and fugu obscurus (filefish), all belong to breeding migration fish important in the Changjiang river, enjoy the good reputation of " the Changjiang river three delicacies ", sea salt-fresh water three is dwelt, whenever spring trace back river and on, after fresh water egg reproduction, enter sea, different from general settled fishes.Therefore, not only the delicate especially fat of meat is fertile, and nutritious, meat delicate flavour U.S., there are larger society, economy, culture and learning value, are subject to concern and the favor of more and more people.
In recent years, due to the continuous decline of wild Coilia ectenes in Yangtze River resource, the cutter long-tailed anchovy market demand constantly increases, and price also raises up thereupon; And along with the breakthrough of cutter long-tailed anchovy ecological culturex, effectively promoted the development that cutter long-tailed anchovy propagates industry artificially.China hilsa herring has disappeared more than two decades, the substitute is and belongs to migration fishes together and the America hilsa herring that profile is similar, meat compares favourably, generally obtain the accreditation of consumer, and cultivation tide one wave exceeds a wave.Although fugu obscurus artificial breeding cultural technique is ripe, seed rearing still needs to improve survival rate, reduce production cost.
Cutter long-tailed anchovy, America hilsa herring and propagating artificially of fugu obscurus include hatch fish roe, fry rearing, fingerling cultivation, adult fish culture four-stage.Fry rearing is that fry rearing is become summer flower fingerling, and this process approximately continues 1 month.Fry, is also called spray seedling, is the cutter long-tailed anchovy young baby of just hatching, and because spray seedling individuality is tiny, travelling ability, scope of ingesting is little, ingestion ability is low, it is weak to resist extraneous infringement ability, and its survival rate is lower.Therefore, particularly cutter long-tailed anchovy and America hilsa herring to propagate fry rearing difficulty in process artificially maximum, aperture opening ratio, survival rate are minimum, are only 0 ~ 50%, are the core stages in artificial culture technology, directly determine the win or lose that cutter long-tailed anchovy and America hilsa herring are propagated artificially.
And cutter long-tailed anchovy, America hilsa herring and fugu obscurus fry all have phototaxis, the open-mouthed bait wheel animalcule simultaneously as these fries also has phototaxis.
Therefore; enough agreeable to the taste open-mouthed baits can be provided in the fry rearing stage in the urgent need to one; can reduce again operation stress Cultivating techniques; to improve cutter long-tailed anchovy, the aperture opening ratio of America hilsa herring and fugu obscurus fry and survival rate and to reduce production cost, promote the large-scale development of " river is fresh " characteristic fishery nursery industry further.
Summary of the invention
The technical problem to be solved in the present invention is, to become the characteristic of light and the deficiencies in the prior art, determine fry optimal aperture bait, propose the high-density ecological breeding method of a kind of important migration fishes fry for cutter long-tailed anchovy, America hilsa herring and fugu obscurus fry.
The present invention for achieving the above object, adopts following technical scheme:
Become the method for light migration fishes fry net cage biological breeding, it is characterized in that comprising the steps:
(1) old Tu Chi is selected, the dry pool, sterilization;
(2) old native pond water filling rich water, cultivates the plankton of light;
(3) uncovered floating cage is set in Lao Tuchi, in net cage, light source is set, the 5-7 days after rich water, the hatching flat swimming fish seedling of the light migration fishes that become of latter 5-8 days is put into net cage;
(4) nursery stage is 20-30 days, in nursery stage, lures the plankton collecting to become light, remove net cage when the light migration fishes fry that becomes grows to 1.5cm-2.0cm at night with light source, is continued to cultivate at Tu Chi by summer flower fingerling.
It is further characterized in that: the old native pond mud in described step (1) is thick is 10-20cm, the dark 2-3m in pond, and area is 3-5 × 667m2; The dry pool, sterilisation step are after pond Gan Tang is tanned by the sun 3-5 days, throw and spread quicklime, add water to 10-20cm simultaneously, sterilization 7-14 days in the ratio of 100-200kg/667m2.
Water filling in described step (2), rich water, cultivating the planktonic process of light is to stack the fertilizer new water of annotating that ferment in corner, pond to 2.0-2.5m with the amount of 50kg/667m2, by the ratio of eel powder in 5-7kg/667m2 days, add water full pool spilling head after stirring, and throws in EM former dew 1kg/667m2 and edible glucose 2kg/667m2 every other day.
Described uncovered floating cage is of a size of 1.5m × 1.0m × 1.0m, and mesh is 40 orders, and arrange by 40% old native pool area, the light migration fishes fry density that becomes in net cage is 8-10 ten thousand tails/net cage.
Above-mentioned become the plankton of light be wheel animalcule, cladocera; Above-mentioned become light migration fishes fry be cutter long-tailed anchovy, America hilsa herring and fugu obscurus fry
Compared with the prior art the present invention has following beneficial effect:
1, make full use of migration fishes fry and wheel animalcule to become the characteristic of light, adopt light to lure collection wheel animalcule, fry opening survival rate is high, growth is fast.Net cage intensive seedling production directly can observe ingest growth and the health status of fry, ensure that survival rate and the growth rate of fry.
2, tame and docile food technological applicability of the present invention is strong, promotional value is large, can avoid fishing for the loaded down with trivial details waste can avoiding again wheel animalcule that the opening live baits such as wheel animalcule are thrown something and fed, the important migration fishes intensive seedling production levels such as cutter long-tailed anchovy, America hilsa herring and fugu obscurus can be promoted, reduce aquaculture cost, improve the quality of fry.
Embodiment
Cutter long-tailed anchovy, America hilsa herring and fugu obscurus etc. have a method for the important migration fishes fry net cage biological breeding of phototactic characteristics, comprise the steps:
(1) selecting mud thick is the Lao Tuchi of 10-20cm, and the dark 2-3m in pond, area is 3-5 × 667m
2;
(2) old Tu Chi is done after the pool tans by the sun 3-5 days, by 100-200kg/667m
2ratio throw spread quicklime, add water to 10-20cm simultaneously, sterilization 7-14 days;
(3) with 50kg/667m
2amount stack the fertilizer new water of annotating that ferment in Lao Tuchi corner to 2.0-2.5m.By eel powder (protein content 45%, Changshu Quan Xing additive Co., Ltd) by 5-7kg/667m
2it ratio, add water full pool spilling head after stirring, and throws in EM former dew 1kg/667m every other day
2(Wuxi Zhong Shui Yu Yao Co., Ltd)+edible glucose 2kg/667m
2(Qingzhou City Hua Kang bio tech ltd of Shandong Province);
(4) arrange the uncovered floating cage of 1.5m × 1.0m × 1.0m by 40% pond area, mesh is 40 orders; Open Side Down, the bubble chamber of 30cm × 30cm × 15cm for the placement of net cage opening center, hangs the energy-saving incandescent lamp of 15w in bubble chamber.5-7 days after fertilising, when wheel animalcule amount reaches 5-10ind/ml, the flat swimming fish seedlings such as the hatching cutter long-tailed anchovy of latter 5-8 days, America hilsa herring and fugu obscurus are put into net cage, and density is 8-10 ten thousand tails/net cage.
(5) nursery stage is about 20-30 days, in nursery stage, light lures collection plankton only to carry out at night (18:00-6:00 on next day), can remove net cage when cutter long-tailed anchovy, America hilsa herring and fugu obscurus fry grow to about 1.5cm-2.0cm, is continued to cultivate at Tu Chi by summer flower fingerling.
Claims (5)
1. become the method for light migration fishes fry net cage biological breeding, it is characterized in that comprising the steps:
(1) old Tu Chi is selected, the dry pool, sterilization;
(2) old native pond water filling rich water, cultivates the plankton of light;
(3) uncovered floating cage is set in Lao Tuchi, in net cage, light source is set, the 5-7 days after rich water, the hatching flat swimming fish seedling of the light migration fishes that become of latter 5-8 days is put into net cage;
(4) nursery stage is 20-30 days, in nursery stage, lures collection to become light plankton, remove net cage when the light migration fishes fry that becomes grows to 1.5cm-2.0cm at night with light source, is continued to cultivate at Tu Chi by summer flower fingerling.
2. according to claim 1 become the method for light migration fishes fry net cage biological breeding, it is characterized in that: the old native pond mud in described step (1) is thick is 10-20cm, the dark 2-3m in pond, and area is 3-5 × 667m
2; The dry pool, sterilisation step are after pond Gan Tang is tanned by the sun 3-5 days, by 100-200kg/667m
2ratio throw spread quicklime, add water to 10-20cm simultaneously, sterilization 7-14 days.
3. according to claim 1 become the method for light migration fishes fry net cage biological breeding, it is characterized in that: water filling in described step (2), rich water, the planktonic process of cultivating light is for 50kg/667m
2amount stack the fertilizer new water of annotating that ferment in corner, pond to 2.0-2.5m, eel powder is pressed 5-7kg/667m
2it ratio, add water full pool spilling head after stirring, and throws in EM former dew 1kg/667m every other day
2with edible glucose 2kg/667m
2.
4. the method for the light migration fishes fry net cage biological breeding that becomes according to any one of claim 1-3, it is characterized in that: described uncovered floating cage is of a size of 1.5m × 1.0m × 1.0m, mesh is 40 orders, arrange by 40% old native pool area, the light migration fishes fry density that becomes in net cage is 8-10 ten thousand tails/net cage.
5. according to claim 4 become the method for light migration fishes fry net cage biological breeding, it is characterized in that: described in the become plankton of light be wheel animalcule, cladocera; Described become light migration fishes fry be cutter long-tailed anchovy, America hilsa herring and fugu obscurus fry.
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| CN201510651733.6A CN105210944A (en) | 2015-10-10 | 2015-10-10 | A kind of become the method for light migration fishes fry net cage biological breeding |
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| CN201510651733.6A CN105210944A (en) | 2015-10-10 | 2015-10-10 | A kind of become the method for light migration fishes fry net cage biological breeding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717030A (en) * | 2024-02-08 | 2024-03-19 | 四川弘信天启科技有限公司 | Fish luring screening device and fish lifting machine system |
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| CN103404462A (en) * | 2013-08-20 | 2013-11-27 | 中国水产科学研究院淡水渔业研究中心 | Method for cultivating fries of coilia ectenes in soil pond |
| KR20140002065U (en) * | 2012-09-28 | 2014-04-08 | 송경숙 | Sunshade for abalone farm |
| CN104488761A (en) * | 2014-11-27 | 2015-04-08 | 黎川县钟贤水产养殖场 | Polyodon spashula fry cage cultivation method in large and medium-sized reservoirs |
| CN104542405A (en) * | 2015-01-27 | 2015-04-29 | 中国水产科学研究院淡水渔业研究中心 | Method for manually domesticating coilia ectenes to eat floating pellet diet |
-
2015
- 2015-10-10 CN CN201510651733.6A patent/CN105210944A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658151A (en) * | 2009-09-11 | 2010-03-03 | 中国水产科学研究院淡水渔业研究中心 | Artificial cultivation and domestication method of American shad fry and fingerlings |
| CN102640718A (en) * | 2012-04-20 | 2012-08-22 | 哈尔滨市农业科学院 | Method utilizing small pond net cage to culture polyodon spathula fry and net cage |
| KR20140002065U (en) * | 2012-09-28 | 2014-04-08 | 송경숙 | Sunshade for abalone farm |
| CN103404462A (en) * | 2013-08-20 | 2013-11-27 | 中国水产科学研究院淡水渔业研究中心 | Method for cultivating fries of coilia ectenes in soil pond |
| CN104488761A (en) * | 2014-11-27 | 2015-04-08 | 黎川县钟贤水产养殖场 | Polyodon spashula fry cage cultivation method in large and medium-sized reservoirs |
| CN104542405A (en) * | 2015-01-27 | 2015-04-29 | 中国水产科学研究院淡水渔业研究中心 | Method for manually domesticating coilia ectenes to eat floating pellet diet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117717030A (en) * | 2024-02-08 | 2024-03-19 | 四川弘信天启科技有限公司 | Fish luring screening device and fish lifting machine system |
| CN117717030B (en) * | 2024-02-08 | 2024-05-03 | 四川弘信天启科技有限公司 | Fish luring screening device and fish lifting machine system |
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Application publication date: 20160106 |