CN103404462B - Method for cultivating fries of coilia ectenes in soil pond - Google Patents
Method for cultivating fries of coilia ectenes in soil pond Download PDFInfo
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- CN103404462B CN103404462B CN201310361937.7A CN201310361937A CN103404462B CN 103404462 B CN103404462 B CN 103404462B CN 201310361937 A CN201310361937 A CN 201310361937A CN 103404462 B CN103404462 B CN 103404462B
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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 discloses a method for cultivating fries of coilia ectenes in a soil pond, comprising the steps of selection of an outdoor soil pond fry cultivation pond, secondary intensified cultivation of parent fishes, separation of the parent fishes and the fries, and early-stage cultivation of the fries of the coilia ectenes by cultivating food organisms including rotifer, cladocera and the like. The method disclosed by the invention is simple and convenient to operate, economical and practical, realizes repeated use of the parent fishes, and is low in fry cultivation cost, high in fry survival rate, and strong in disease resistance. By adopting the principle of natural selection, weak and sick fries are eliminated, so that the purpose of improving the fry quality is achieved. In addition, pelagic organisms are cultivated by utilizing glucose, amino acid and other nutrient solutions, so as to provide sufficient baits for the fries, and thus the quick growth of the fries is guaranteed.
Description
Technical field
The present invention relates to the seedling-cultivating method of a kind of cutter long-tailed anchovy, specifically, is a kind of method that cutter long-tailed anchovy earth pond ecological simple and practical, environmental protection is grown seedlings, and belongs to fish culture technical field.
Background technology
Cutter long-tailed anchovy (
coilia nasus), be subordinate to Clupeiformes (Clupeiformes), Anchovy section (Engraulidae), long-tailed anchovy belong to (
coilia), be commonly called as hairtail, be economic migration fishes important in China the Changjiang river, it enjoys the good reputation of one of " the Changjiang river three delicacies " with fresh, fertile, beautiful and famous.In recent years, cutter long-tailed anchovy natural resources sharply fail, and can not meet the demand in market far away, and along with filling with the breakthrough of Jiang Namiao cultivation, artificial breeding and pond technology, cutter long-tailed anchovy becomes the high-quality aquatic product culture kind that a kind of existing market is well sold and in short supply, have a extensive future just gradually.
At present, in the seedling growing process of cutter long-tailed anchovy, because of cutter long-tailed anchovy parent population abnormal " tender and lovely ", stress reaction is strong, have saying of " dried up dead ", the artificial induced spawning generally adopting and insemination techniques very easily cause scale to come off and dead, 3 age cutter long-tailed anchovy parent population not reproducible use also make seedling cost sharply soaring; Meanwhile, in the gonad development of Dao Ji colony, there is asynchronism, in artificial induced spawning, insemination techniques, also have the problems such as complex operation, scale seedling raising intensity be large.In addition,, in current cutter long-tailed anchovy intensive seedling production, the indoor culture technology of open-mouthed bait is still immature causes the emergence rate after fertilized egg membrane not high; And the superfluous bait that the indoor culture stage of advanced fry throws something and feeds and excreta thereof etc. are difficult to remove, not remove and easily grow cause of disease and fall ill, the method for water is often changed in current employing need pay more human and material resources, and seedling cost further improves.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, for artificial propagation, (hasten parturition, insemination) bradytoia that stress cause of cutter long-tailed anchovy parent population in technology, the asynchronism of death and astogeny, thereby a kind of method that provides cutter long-tailed anchovy earth pond ecological to grow seedlings, controlling dissolved oxygen, under the condition of the ecological factors such as pH, in conjunction with still-water pond waterwheel aerator, manufacturing current stimulates, do not change the easy operation of water, after treating Gunther parent fish spawning peak period, timely separated parent population, supporting biological feed technology, specially cutter tapertail anchovy seedling is cultivated in pond, improved the quality of cutter long-tailed anchovy seed, reduced seedling cost.
The present invention for achieving the above object, adopts following technical scheme:
A method for cutter long-tailed anchovy seedling rearing in earth ponds, comprises the steps:
(1) select the outdoor earth pond nursery pond of 2～4 mu, slope is than 1:2.5～3; Through quicklime, clean up the pond, tan by the sun after 7 days, with 40 eye mesh screens, filter and inject river, 1.2～1.5 meters of the depth of waters, 12 ℃～16 ℃ of water temperatures;
(2) early March, selects from cutter long-tailed anchovy parent fish rearing pond the parent population that profile is obvious, gonad development is good, by the female-male proportion of 1:2, puts into nursery pond, throws in density 50～100 tail/mus; Meanwhile, throw in bait fishes and shrimps, carry out the reinforced cultivating again of cutter long-tailed anchovy parent population;
(3) since early April, each nursery pond is set up waterwheel aerator, the round-the-clock unlatching of aerator; Meanwhile, with the chlorophos of 1.0～1.2 milligrams of/cubic metre of concentration, kill zooplankton; To late May spawning peak after date, by mesh, be that the separated parent population of 8 object polyethylene haul seines is to other fishpond cultivation;
(4) after separated parent population and fry, adopt the method for glucose, amino acid rich water, cultivate the Micro Algae of the dominant population that comprises chlorella, and cultivate wheel animalcule, cladocera food organisms, keep 30～35 centimetres of water transparences; Full pool spilling head after dissolving with glucose after separated parent population, consumption 1～1.5Kg/ mu sky, the amino acid rich water of splashing after 3 days is plain, consumption 1～1.5Kg mu sky, used the soya-bean milk of splashing instead after 10 days, consumption 5～10Kg/ mu sky, threw in liquid EM bacterium, consumption 2.5Kg/ mu every other day and the method in dusty yeast 500g/ mu sky, cultivate 50～60 days, cutter tapertail anchovy seedling grows to 5 centimetres, can draw in the net to turn pond and divides foster or sell.
Preferred: in described step (2) bait fishes and shrimps kind and density be Acenthogobius flavimanus 2～3 tails/square metre, 5～10/square metre of freshwater shrimps.
Two waterwheel aerators are set in described step (3), are diagonal row and establish, and form circulating water flow.
The present invention compares and has the following advantages with existing other similar techniques:
1, to compare indoor raising of seedling technical operation easy, economical and practical for seedling rearing in earth ponds method, realized reusing of parent population; Seedling cost is low, weed survival rate is high, premunition is strong.
2, adopt the principle of natural selection, eliminated weak, sick fry, reached the object that improves seed quality.
3, by utilizing the nutrient solution high effect culture planktons such as glucose and amino acid for fry provides sufficient bait, ensured the Fast Growth of fry.
Embodiment
The present invention is below further described in connection with embodiment:
The method that cutter long-tailed anchovy earth pond ecological is grown seedlings, adopts following processing step:
1, select the outdoor earth pond nursery pond of 2～4 mu, slope is than 1:2.5～3; Through quicklime, clean up the pond, tan by the sun after 7 days, with 40 eye mesh screens, filter and inject river, 1.2～1.5 meters of the depth of waters, 12 ℃～16 ℃ of water temperatures.
2, early March, selects from cutter long-tailed anchovy parent fish rearing pond the parent population that profile is obvious, gonad development is good, by the female-male proportion of 1:2, puts into nursery pond, throws in density 50～100 tail/mus; Meanwhile, throw in the bait fishes and shrimps (Acenthogobius flavimanus 2～3 tails/square metre, 5～10/square metre of freshwater shrimps) of certain density, carry out the reinforced cultivating again of cutter long-tailed anchovy parent population.
3, since early April, each nursery pond is set up 2 of the waterwheel aerators that power is 1.5KW, is diagonal row and establishes, and form circulating water flow, the round-the-clock unlatching of aerator.Meanwhile, with the chlorophos of 1.0～1.2 milligrams of/cubic metre of concentration, kill zooplankton.Lay eggs situation estimate egg laying amount of observable while patrolling Zhi Xia air port, the pool early morning.To May 20 egg production peak time, by mesh, be that the separated parent populations of 8 object polythene nets are to other fishponds cultivation.
4, after separated parent population and fry, adopt the method for glucose, amino acid rich water, cultivate chlorella codominant group's Micro Algae, and cultivate the food organisms such as wheel animalcule, cladocera, keep 30～35 centimetres of water transparences.Full pool spilling head after dissolving with glucose after separated parent population; consumption 1～1.5Kg/ mu sky; plain (the North Sea Qun Lin biotechnology Co., Ltd) consumption 1～1.5Kg mu sky of the amino acid rich water of splashing after 3 days; after 10 days, use the soya-bean milk of splashing (consumption 5～10Kg/ mu sky) instead, throw in liquid EM bacterium (consumption 2.5Kg/ mu every other day) and dusty yeast (consumption 500g/ mu sky; bauhinia bio tech ltd, Zhengzhou; bacterium peptide dusty yeast) method; cultivate 50～60 days; cutter tapertail anchovy seedling grows to 5 centimetres, can draw in the net to turn pond and divides foster or sell.
Claims (3)
1. a method for cutter long-tailed anchovy seedling rearing in earth ponds, comprises the steps:
(1) select the outdoor earth pond nursery pond of 2～4 mu, slope is than 1:2.5～3; Through quicklime, clean up the pond, tan by the sun after 7 days, with 40 eye mesh screens, filter and inject river, 1.2～1.5 meters of the depth of waters, 12 ℃～16 ℃ of water temperatures;
(2) early March, selects from cutter long-tailed anchovy parent fish rearing pond the parent population that profile is obvious, gonad development is good, by the female-male proportion of 1:2, puts into nursery pond, throws in density 50～100 tail/mus; Meanwhile, throw in bait fishes and shrimps, carry out the reinforced cultivating again of cutter long-tailed anchovy parent population;
(3) since early April, each nursery pond is set up waterwheel aerator, the round-the-clock unlatching of aerator; Meanwhile, with the chlorophos of 1.0～1.2 milligrams of/cubic metre of concentration, kill zooplankton; To late May spawning peak after date, by mesh, be that the separated parent population of 8 object polyethylene haul seines is to other fishpond cultivation;
(4) after separated parent population and fry, adopt the method for glucose, amino acid rich water, cultivate the Micro Algae of the dominant population that comprises chlorella, and cultivate wheel animalcule, cladocera food organisms, keep 30～35 centimetres of water transparences; Full pool spilling head after dissolving with glucose after separated parent population, consumption 1～1.5Kg/ mu sky, the amino acid rich water of splashing after 3 days is plain, consumption 1～1.5Kg/ mu sky, used the soya-bean milk of splashing instead after 10 days, consumption 5～10Kg/ mu sky, threw in liquid EM bacterium, consumption 2.5Kg/ mu every other day and the method in dusty yeast 500g/ mu sky, splash after soya-bean milk and cultivate 50～60 days, cutter tapertail anchovy seedling grows to 5 centimetres, can draw in the net to turn pond and divide and support or sell.
2. the method for cutter long-tailed anchovy seedling rearing in earth ponds according to claim 1, is characterized in that: in described step (2) bait fishes and shrimps kind and density be Acenthogobius flavimanus 2～3 tails/square metre, 5～10/square metre of freshwater shrimps.
3. the method for cutter long-tailed anchovy seedling rearing in earth ponds according to claim 1, is characterized in that: two waterwheel aerators are set in described step (3), are diagonal row and establish, and form circulating water flow.
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| CN201310361937.7A CN103404462B (en) | 2013-08-20 | 2013-08-20 | Method for cultivating fries of coilia ectenes in soil pond |
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| CN201310361937.7A CN103404462B (en) | 2013-08-20 | 2013-08-20 | Method for cultivating fries of coilia ectenes in soil pond |
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| CN103404462A CN103404462A (en) | 2013-11-27 |
| CN103404462B true CN103404462B (en) | 2014-11-26 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636540B (en) * | 2013-12-18 | 2017-09-01 | 上海市水产研究所 | A kind of ecological early breeding method of Coilia ectenes in Yangtze River pond greenhouse |
| CN103960181B (en) * | 2014-04-25 | 2016-01-20 | 中国水产科学研究院淡水渔业研究中心 | A kind of method of dace and the pond culture of caridina nilotica gracilipes supporting supply cutter long-tailed anchovy |
| CN105981657A (en) * | 2015-02-02 | 2016-10-05 | 江苏省农业科学院泰州农科所 | Method for large-scale ecological aquaculture of coilia ectenes in greenhouse |
| CN104604772A (en) * | 2015-02-04 | 2015-05-13 | 中国水产科学研究院淡水渔业研究中心 | Method for observing, collecting and separating germ cells of pond-cultured coilia ectenes |
| CN104872015A (en) * | 2015-05-19 | 2015-09-02 | 温良海 | Gold carp fry cultivation method |
| CN105210944A (en) * | 2015-10-10 | 2016-01-06 | 中国水产科学研究院淡水渔业研究中心 | A kind of become the method for light migration fishes fry net cage biological breeding |
| CN106069944A (en) * | 2016-07-06 | 2016-11-09 | 苏州盛天力离心机制造有限公司 | A kind of cultural method of hairtail |
| CN107173271A (en) * | 2017-06-09 | 2017-09-19 | 镇江江之源渔业科技有限公司 | A kind of method of Coilia ectenes in Yangtze River scale breeding |
| CN108901985A (en) * | 2018-06-25 | 2018-11-30 | 镇江江之源渔业科技有限公司 | A kind of multifunctional bio bait classification knockout tower and its application method |
| CN112931317B (en) * | 2021-03-23 | 2022-04-12 | 浙江省海洋水产研究所 | Method for improving survival rate of coilia ectenes seedlings |
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Application publication date: 20131127 Assignee: Zhenjiang kingswin fishery science and Technology Co Ltd Assignor: Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences Contract record no.: 2015320000135 Denomination of invention: Method for cultivating fries of coilia ectenes in soil pond Granted publication date: 20141126 License type: Exclusive License Record date: 20150407 |
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