CN103120134B - Pollution-free freshwater shrimp cultivation method - Google Patents
Pollution-free freshwater shrimp cultivation method Download PDFInfo
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- CN103120134B CN103120134B CN201110371087.XA CN201110371087A CN103120134B CN 103120134 B CN103120134 B CN 103120134B CN 201110371087 A CN201110371087 A CN 201110371087A CN 103120134 B CN103120134 B CN 103120134B
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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
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Abstract
The invention relates to a freshwater shrimp cultivation method, in particular to a pollution-free freshwater shrimp cultivation method according to which hybridization is adopted and fish larvae are matched for cultivation together. The pollution-free freshwater shrimp cultivation method includes the following steps of shrimp pond requirements, shrimp pond treatment, hybridization, shrimp larvae breeding, feeing management, water quality management and density control. The pollution-free freshwater shrimp cultivation method makes the most of idle resources for production, standardizes cultivation techniques, and obtains high-quality offspring seeds for cultivation after Lake Taihu youth shimps and local shrimps are hybridized; moreover, when a second generation of freshwater shrimps are reproduced, the fish larvae are bred, on the one hand, small shrimp larvae can be used as feed of the fish larvae, and on the other hand, space is saved by the small shrimp larvae which are eaten and oxygen consumption is reduced, and therefore unified specifications and high output of the freshwater shrimps are ensured.
Description
Technical field
The present invention relates to a kind of fresh water shrimp culture method, is a kind of hybridization and the Pollution-free freshwater shrimp cultivation coordinating fry to cultivate together specifically.
Background technology
Fresh water freshwater shrimp, formal name used at school Japanese macrobrachium supernbum (Macrobrachium nipponense), belong to shell-fish, Decapoda, swimming suborder, Eucyphidea, long-armed section, pond crayfish genus, a fairly large number of one in fresh water shrimp, one of traditional economy shrimp species in China's freshwater aquaculture industry.Many owing to cultivating freshwater shrimp disease at present, cost is high, pollution is large, and cultivation freshwater shrimp enthusiasm is not high, causes a large amount of pond half uncultivated or idle; Moreover in propagating artificially, freshwater shrimp specification is little, feed coefficient is large, causes the inbred vicious circle of freshwater shrimp, and the problems such as cultural technique is lack of standardization can not get solving.
In addition because the shrimp seedling of supporting down for 7-August starts amount reproduction second generation shrimp seedling again to September, they are robbed feed with the freshwater shrimp growing a period of time and eat, also to occupy space in pond, absorb oxygen, make it the pretty good freshwater shrimp of front growing way and lose good growing environment, all bring certain difficulty to feeding and management etc., the freshwater shrimp head going out the pool is in the end uneven, and commercial sized prawn is very poor, output is very low, and benefit is naturally bad.
Summary of the invention
For the problems referred to above, the invention provides a kind of hybridize by the young shrimp in local shrimp and Taihu Lake after improved seeds, the Pollution-free freshwater shrimp cultivation coordinating fry to cultivate together after cultivation a period of time.
The present invention is achieved by the following technical solutions: a kind of Pollution-free freshwater shrimp cultivation, comprises the following steps:
(1) shrimp pond requires: nursery pond area 3-5 mu is advisable, the depth of water 1.0-1.2m, smooth at the bottom of pond, removes mud and makes it to be not more than 10 centimeters;
(2) shrimp pond process: comprise the sterilization of shrimp pond, shrimp pond water quality cultivation;
(3) cross mating: hybridize with the male shrimp of female shrimp and this locality from high-quality population;
(4) shrimp seedling is put in a suitable place to breed: the last ten-days period in July to early August every mu puts shrimp seedling 6-8 ten thousand tail in a suitable place to breed;
(5) feeding tube reason is thrown;
(6) water quality management: water colour is with light rice-pudding look or yellow green, and transparency is 30-40 ㎝, the Xia Qiugao warm season keep peak level, changes water once in every 8-10 days, and quantity of exchanged water is 1/4;
(7) density domination: freshwater shrimp on September every mu pond can breed fish fry 3000 tails.
As preferably, in step 2, in freshwater shrimp pond, available quicklime or bleaching powder or bleaching powder, inject 20-30 ㎝ clear water, carry out disinfection and improve substrate, draining after 24h.
As preferably, in pond after sterilization, then enter filtered water 30-40 ㎝, and discharge aquaculture special bio fertilizer and the beneficial organism fertilizer formulations containing bacillus, for cultivating water quality.
As preferably, in step 3, the young female shrimp in Taihu Lake and the male shrimp 2:1 in this locality is adopted to hybridize.
As preferably, in step 5, within 10-15 days early stages, combination feed of throwing something and feeding, in pond surrounding splashes after mixing thoroughly with water; After shrimp grows to 2 ㎝, pellet of just can throwing something and feeding.
As preferably, described combination feed is vegetable feed and feed of animal origin in 7:3 ratio furnishing; Feeding volume can be eaten up at 2-3 hours with shrimp and be as the criterion, day rate of throwing something and feeding is 3-5% of freshwater shrimp body weight, secondary is divided to throw something and feed, during the morning 8-9, during afternoon 4-5, feeding volume accounts for 1/3 the morning, in afternoon 2/3, throw in surrounding shoal, to hide by day and come out at night habit according to freshwater shrimp, in growth vigorous season, after at 10 in evening, add 1 time.
This invention takes above-mentioned corrective measure to carry out, its beneficial effect is remarkable: the present invention makes full use of the idle resources of production, without the need to increasing professional equipment, without breeding pollution, industrialization administrative staff, cultural technique standard criterion, discharge biologic product and control water quality, reduce the use of medicine, make freshwater shrimp reach pollution-free healthy requirement, improve product quality and be worth.
In addition, the high-quality shrimp seedling after cross mating can play hybrid vigour, in raising growth rate, disease-resistant anti-adversity ability and delay are ripe etc., goes out shrimp seedling improves significantly than traditional local shrimp parent culture.
Until shrimp seed rearing after about two months, start to breed the second generation, breed fish fry in pond, just in time the freshwater shrimp of just having hatched out is eaten in the presence of feed, and the first generation has also grown into enough large individuality, to going out pool listing, commercial sized prawn specification is neat, output is high by more than 30%, and fry more than 100 jin, economic benefit improves greatly.By the cultivation per mu yield large gauge freshwater shrimp 150kg of 2 years, tradition cultivation freshwater shrimp output increased 60% on year-on-year basis, unit price improved 40%, and economic benefit improves 120%.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated: test and carry out in the Wu Yue aquaculture Co., Ltd of Deqing County.
Embodiment 1
A kind of Pollution-free freshwater shrimp cultivation, comprises the following steps:
(1) shrimp pond requires: nursery pond area 3 mu is advisable, and depth of water 1.0m is smooth at the bottom of pond, removes mud and makes it to be not more than 10 centimeters;
(2) shrimp pond process: with quicklime in freshwater shrimp pond, inject 20 ㎝ clear water, carry out disinfection and improve substrate, drain after 24h, in pond after sterilization, then enter filtered water 30 ㎝, and discharge aquaculture special bio fertilizer and the beneficial organism fertilizer formulations containing bacillus, for cultivating water quality;
(3) cross mating: adopt the young female shrimp in Taihu Lake and the male shrimp 2:1 in this locality to carry out hybridizing (the male shrimp of female shrimp and this locality adopts conventional equipment to carry out fishing for, screening);
(4) shrimp seedling is put in a suitable place to breed: the last ten-days period in July to early August every mu puts shrimp seedling 60,000 tail in a suitable place to breed;
(5) throw feeding tube reason: the 11st day early stage, throw something and feed vegetable feed and feed of animal origin, in the combination feed of 7:3 ratio furnishing, in pond surrounding are splashed after mixing thoroughly with water; After shrimp grows to 2 ㎝, pellet of just can throwing something and feeding, feeding volume can be eaten up at 2 hours with shrimp and be as the criterion, day rate of throwing something and feeding is 3% of freshwater shrimp body weight, secondary is divided to throw something and feed, when the morning 8, when afternoon 4, feeding volume accounts for 1/3 the morning, in afternoon 2/3, throw in surrounding shoal, to hide by day and come out at night habit according to freshwater shrimp, in growth vigorous season, after at 10 in evening, add 1 time;
(6) water quality management: with light rice-pudding look or yellow green as well, transparency is 30-40 ㎝, the Xia Qiugao warm season keep peak level to water colour, changes water once in every 8-10 days, and quantity of exchanged water is 1/4;
(7) density domination: freshwater shrimp on September every mu pond can breed fish fry 3000 tails.
Embodiment 2
Condition is basic identical with embodiment 1.A kind of Pollution-free freshwater shrimp cultivation, comprise the following steps, nursery pond area 5 mu is advisable, and depth of water 1.2m is smooth at the bottom of pond, removes mud and makes it to be not more than 10 centimeters; With bleaching powder in freshwater shrimp pond, inject 30 ㎝ clear water, carry out disinfection, drain after 24h, after sterilization, then enter filtered water 40 ㎝, and discharge aquaculture special bio fertilizer and the beneficial organism fertilizer formulations containing bacillus, for cultivating water quality; After the young female shrimp in Taihu Lake and the male shrimp 2:1 in this locality hybridize, put shrimp seedling 60,000 tail in a suitable place to breed in the last ten-days period in July to early August every mu; The 14th day early stage, throw something and feed vegetable feed and feed of animal origin, in the combination feed of 7:3 ratio furnishing, in pond surrounding were splashed after mixing thoroughly with water; After shrimp grows to 2 ㎝, pellet of just can throwing something and feeding, feeding volume can be eaten up at 3 hours with shrimp and be as the criterion, day rate of throwing something and feeding is 5% of freshwater shrimp body weight, secondary is divided to throw something and feed, when the morning 9, when afternoon 5, feeding volume accounts for 1/3 the morning, in afternoon 2/3, throw in surrounding shoal, to hide by day and come out at night habit according to freshwater shrimp, in growth vigorous season, after at 10 in evening, add 1 time.
Embodiment 3
Condition is basic identical with embodiment 1.A kind of Pollution-free freshwater shrimp cultivation, comprise the following steps, nursery pond area 4 mu is advisable, and depth of water 1.1m is smooth at the bottom of pond, removes mud and makes it to be not more than 10 centimeters; With bleaching powder in freshwater shrimp pond, inject 25 ㎝ clear water, carry out disinfection, drain after 24h, after sterilization, then enter filtered water 35 ㎝, and discharge aquaculture special bio fertilizer and the beneficial organism fertilizer formulations containing bacillus, for cultivating water quality; After the young female shrimp in Taihu Lake and the male shrimp 2:1 in this locality hybridize, put shrimp seedling 60,000 tail in a suitable place to breed in the last ten-days period in July to early August every mu; The 13rd day early stage, throw something and feed vegetable feed and feed of animal origin, in the combination feed of 7:3 ratio furnishing, in pond surrounding were splashed after mixing thoroughly with water; After shrimp grows to 2 ㎝, pellet of just can throwing something and feeding, feeding volume can be eaten up at 2.5 hours with shrimp and be as the criterion, day rate of throwing something and feeding is 4% of freshwater shrimp body weight, divide secondary to throw something and feed, 8 a.m. half, thirty in the afternoon 4, feeding volume accounts for 1/3 the morning, in afternoon 2/3, throw in surrounding shoal, to hide by day and come out at night habit according to freshwater shrimp, in growth vigorous season, after at 10 in evening, add 1 time.
That more than enumerates is only specific embodiments of the invention, obviously, the invention is not restricted to above embodiment.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should belong to protection scope of the present invention.
Claims (2)
1. a Pollution-free freshwater shrimp cultivation, is characterized in that, comprises the following steps:
(1) shrimp pond requires: nursery pond area 3-5 mu is advisable, the depth of water 1.0-1.2m, smooth at the bottom of pond, removes mud and makes it to be not more than 10 centimeters;
(2) shrimp pond process: comprise the sterilization of shrimp pond, shrimp pond water quality cultivation, available quicklime or bleaching powder or bleaching powder in freshwater shrimp pond, inject 20-30 ㎝ clear water, carry out disinfection and improve substrate, drain after 24h, in pond after sterilization, then enter filtered water 30-40 ㎝, and discharge aquaculture special bio fertilizer and the beneficial organism fertilizer formulations containing bacillus, for cultivating water quality;
(3) cross mating: adopt the young female shrimp in Taihu Lake and the male shrimp 2:1 in this locality to hybridize;
(4) shrimp seedling is put in a suitable place to breed: the last ten-days period in July to early August every mu puts shrimp seedling 6-8 ten thousand tail in a suitable place to breed;
(5) feeding tube reason is thrown: within 10-15 days early stages, combination feed of throwing something and feeding, in pond surrounding splashes after mixing thoroughly with water; After shrimp grows to 2 ㎝, pellet of just can throwing something and feeding;
(6) water quality management: water colour is with light rice-pudding look or yellow green, and transparency is 30-40 ㎝, the Xia Qiugao warm season keep peak level, changes water once in every 8-10 days, and quantity of exchanged water is 1/4;
(7) density domination: freshwater shrimp on September every mu pond can breed fish fry 3000 tails.
2. Pollution-free freshwater shrimp cultivation according to claim 1, is characterized in that, described combination feed is vegetable feed and feed of animal origin in 7:3 ratio furnishing; The feeding volume of pellet can be eaten up at 2-3 hours with shrimp and be as the criterion, the pellet feeding volume day rate of throwing something and feeding is 3-5% of freshwater shrimp body weight, secondary is divided to throw something and feed, during the morning 8-9, during afternoon 4-5, feeding volume accounts for 1/3 the morning, in afternoon 2/3, throw in surrounding shoal, to hide by day and come out at night habit according to freshwater shrimp, in growth vigorous season, after at 10 in evening, add 1 time.
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| CN104542368A (en) * | 2013-10-21 | 2015-04-29 | 桐乡市洲泉湘溪水产专业合作社 | Method for breeding loach in macrobrachium pond in mixed mode |
| CN103931521B (en) * | 2013-12-20 | 2016-06-15 | 德清县吴越水产养殖有限公司 | A kind of high-yield cultivation method of Macrobrachium nipponensis(de Haan) |
| CN103734045A (en) * | 2013-12-20 | 2014-04-23 | 德清县吴越水产养殖有限公司 | Artificial shallow water breeding method for freshwater shrimps |
| CN103734049A (en) * | 2013-12-20 | 2014-04-23 | 德清县吴越水产养殖有限公司 | Method for high-quality cultivation of freshwater shrimps |
| CN103749347A (en) * | 2013-12-24 | 2014-04-30 | 镇江山水湾生态农业开发有限公司 | Feeding method of freshwater shrimps |
| CN103814854B (en) * | 2014-03-13 | 2015-11-25 | 上海海洋大学 | A kind of racetrack bioflocculation supports shrimp system and method |
| CN105165669B (en) * | 2015-07-27 | 2017-12-12 | 上海市水产研究所（上海市水产技术推广站） | A kind of high-efficient ecological cultivation method of freshwater shrimp |
| CN107125178A (en) * | 2017-06-06 | 2017-09-05 | 明光市裕阳农业有限公司 | A kind of ecological cultivation method of freshwater shrimp and Chinese celery |
| CN107372253A (en) * | 2017-09-08 | 2017-11-24 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | The green high-yield cultivation method of Taihu Lake shrimp |
| CN112293320A (en) * | 2020-10-29 | 2021-02-02 | 射阳县张鹏水产育苗有限公司 | Method for breeding prawns in zebra by using idle river crab seedling culture soil pond |
| CN113615613A (en) * | 2021-09-14 | 2021-11-09 | 浙江吴越农业股份有限公司 | Method for breeding hybridized backcrossed freshwater shrimps |
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