CN103385187A - Plagiognathops microlepis fish and sturgeon intercropping method - Google Patents
Plagiognathops microlepis fish and sturgeon intercropping method Download PDFInfo
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- CN103385187A CN103385187A CN2013102656152A CN201310265615A CN103385187A CN 103385187 A CN103385187 A CN 103385187A CN 2013102656152 A CN2013102656152 A CN 2013102656152A CN 201310265615 A CN201310265615 A CN 201310265615A CN 103385187 A CN103385187 A CN 103385187A
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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 discloses a plagiognathops microlepis fish and sturgeon intercropping method, which comprises the following steps of firstly performing disinfection treatment on a cement culture pond and waiting for releasing plagiognathops microlepis fish fry after disinfection; during the period after the plagiognathops microlepis fish fry is released before sturgeon fish fry is released, not feeding feedstuff to the plagiognathops microlepis fish fry, and partitioning the periphery of a food platform by using meshes about five days before the sturgeon fish fry is bred; releasing the sturgeon fish fry and breeding the sturgeon fish fry in a greenhouse; transferring the sturgeon fish fry bred in the greenhouse to deepwater net cages in a reservoir for marketable fish breeding; and finally scientifically breeding the sturgeon fish fry until marketable sturgeon comes into the market. According to the method, a single greenhouse perennial drainage breeding method is combined with a deepwater net cage breeding method in the reservoir, and a breeding mode of intercropping plagiognathops microlepis fish is adopted, so that the purpose that residual feeds, excrement of sturgeon and lichen generated in a pond are eliminated is achieved, so as to reduce the cost of marketable sturgeon breeding and the waste of environment and resources.
Description
Technical field
The present invention relates to the cultural method of sturgeon, is a kind of cultural method that improves the sturgeon survival rate specifically.
Background technology
Sturgeon belongs to cold water fishes, and fast growth is Fresh ﹠ Tender in Texture, is one of special aquatic products product of better economic result.The main sturgeon cultivation mode in East China is greenhouse perennial draingage cultivation at present, and this mode is under the sunshade green house, with square cement culturing pool high-density breeding sturgeon.The size in general square pond is long 8---10 meters, wide by 8---10 meters, and high 1 meter, employing pvc pipe aeration, be designed with sewage draining exit at the bottom of pond in the pond in.In breeding process general adult fish culture density be controlled at the 15-20 bar/square, aerator must uninterrupted oxygen supply in 24 hours, the while water pump constantly extracts Deep Underground water or the reservoir lower layer of water is carried out the perennial draingage operation, thereby guarantees that sturgeon grows safely.Although this kind cultural method technology comparative maturity, but in the sturgeon process of growth, eating surplus residual bait and sturgeon excreta accumulates over a long period in pond, destroy culturing pool water quality, affected the required environment of sturgeon growth, can produce moss in pond simultaneously, only by water pump, carry out perennial draingage effect meeting and cause the significant wastage of water resource and electric power resource, and the rising of labor cost, finally cause commodity sturgeon cultivation cost high, lack competitiveness.
Summary of the invention
, in order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of Plagiognathops microlepis fish and sturgeon cover breeding method that can improve sturgeon survival rate, reduction sturgeon cultivation cost.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of Plagiognathops microlepis fish and sturgeon cover breeding method, the method comprises the steps:
The first step, the cement culturing pool is disinfected: at first be filled to the setting height place in the cement culturing pool, require inflow temperature lower than below 28 degrees centigrade; Then carry out the culturing pool sterilization with potassium permanganate, the potassium permanganate consumption is every cube of water body 8-10 gram, disinfecting time 48 hours; After sterilization, water body in culturing pool is all given out light, refill reservoir water to the above-mentioned At The Height that sets, open simultaneously aerator and carry out aeration oxygen replenishing, more than dissolved oxygen in water will remain on 4ml/L, wait for and put seedling;
Second step, Plagiognathops microlepis fry kind is thrown in: stocking size 25-35 bar/kg, breeding density are every square metre of 3-5 bar; Putting into the cement culturing pool propagates artificially; Plagiognathops microlepis fry seed is finished in the input by the end of March in every year;
The 3rd step, feeding and management: this one-phase before throwing in to the sturgeon seed after Plagiognathops microlepis fry kind is thrown in, because of temperature, water temperature not high, the activity of fish is not too strong, and breeding density is little in addition, does not need the Plagiognathops microlepis fish is carried out feedstuff feeding, but should be before sturgeon is put in a suitable place to breed about 5 days, surrounding at the food platform separates with the polythene net sheet that mesh is 1cm, in case the Plagiognathops microlepis fish is robbed food to the food platform, the size of mesh should be adjusted according to the fingerling growing state in good time;
In the 4th step, the sturgeon seed is thrown in: selecting the appearance not damaged, without the sturgeon seed of deformity, the seed size is 8-12 centimetre; Seed is put into before the cement culturing pool salt water dipping bath 5-10 minute that first uses 3%-5% concentration, after put into the cement culturing pool and propagate artificially; Breeding density is every square metre of 30-40 bar;
In the 5th step, sturgeon seed greenhouse cultivation process: open immediately inlet valve after the sturgeon seed is put into, flow of inlet water is controlled at per hour 3-5 ton, 24 hours uninterrupted water supply, and water temperature requires lower than below 28 degrees centigrade; After the sturgeon seed enters pond, select crude protein manually to throw something and feed at the expanded heavy forage of 42%-45%, throw something and feed 4-5 every day, and each feeding volume is the 3%-5% of sturgeon fish body weight; Adopt the mode of manual operation soil pick-up pump to carry out pond at the bottom of soil pick-up to culturing pool every day, and the soil pick-up standard is without ight soil and residual bait at the bottom of pond;
In the 6th step, sturgeon carries out the marketable fish cultivation at the reservoir deep water mesh cage: when the sturgeon seed cultivates the 150-200 gram in greenhouse cement culturing pool, just transfer them in the reservoir deep water mesh cage and carry out the marketable fish fattening stage; It is good that the cages in reservoir culturing area will be chosen in water quality, 8 meters of the depth of waters, the large reservoir water surface that should have simultaneously miniflow, wind sheltering, faces south; The sturgeon of putting in each deep water mesh cage will be selected the basically identical juvenile fish of size, and every square of net cage is put into 30-35 bar juvenile fish;
The 7th step, scientific feeding: will carry out the morning, noon and afternoon every day and respectively throw something and feed once, it is the expanded heavy forage of 40%-42% that the feed of throwing something and feeding is selected crude protein, and each feeding volume is the 2%-4% of fish body weight in case, and feeding volume also needs in time to adjust feeding volume according to the situation of ingesting of weather water temperature and sturgeon simultaneously; After sturgeon enters net cage, every case, with quicklime 2-3 kilogram, added after water stirs in the net cage casing of splashing and reaches nearby waters in quicklime every 15-20 days, and every day 1 time, for three days on end, diseases prevention carries out disinfection; Adhere to that the morning, noon and afternoon patrol the case inspection, finding that there is dead fish will in time pull out, repeats this step feeding patterns one until the marketable fish listing.
Beneficial effect: compared with prior art, advantage of the present invention is: single greenhouse perennial draingage cultivation and reservoir deep-water net cage culture are combined together, and adopt cover to support the aquaculture model of Plagiognathops microlepis fish, reach the purpose of removing the moss that produces in residual bait, sturgeon excreta and pond, thereby reduce commodity sturgeon cultivation cost, reduce the waste to environment and resource.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.Should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Embodiment 1:
The first step, the cement culturing pool is disinfected: injecting tank water is 0.8 meter in the square cement culturing pool of 8 meters of length, 8 meters of width, 1 meter of height, requires inflow temperature lower than below 28 degrees centigrade.Then carry out the culturing pool sterilization with potassium permanganate, the potassium permanganate consumption is every cube of water body 8 grams, disinfecting time 48 hours.After sterilization, water body in culturing pool is all given out light, refill reservoir water to pond high 0.8 meter, open simultaneously aerator and carry out aeration oxygen replenishing, more than dissolved oxygen in water will remain on 4ml/L, wait for and to put seedling.
Second step, Plagiognathops microlepis fry kind is thrown in: 25/kg of stocking size, breeding density are 3 every square metre.Seed is put into before the cement culturing pool with 5% saline solution dipping bath 5 minutes, then puts into the cement culturing pool and propagates artificially.
In the 3rd step, the sturgeon seed is thrown in: selecting the appearance not damaged, without the sturgeon seed of deformity, the seed size is 8-12 centimetre.Seed is put into before the cement culturing pool salt water dipping bath 5 minutes of first using 5% concentration, after put into the cement culturing pool and propagate artificially.Breeding density is 30 every square metre.
In the 4th step, sturgeon seed greenhouse cultivation process: open immediately inlet valve after seed is put into, flow of inlet water is controlled at per hour 3 tons, 24 hours uninterrupted water supply, and water temperature requires lower than below 28 degrees centigrade.After seed enters pond, select crude protein manually to throw something and feed at 42% expanded heavy forage, throw something and feed every day 4 times, each feeding volume is 3% of fish body weight.Adopt the mode of manual operation soil pick-up pump to carry out pond at the bottom of soil pick-up to culturing pool every day, and the soil pick-up standard is without ight soil and residual bait at the bottom of pond.
In the 5th step, sturgeon carries out the marketable fish cultivation at the reservoir deep water mesh cage: when the sturgeon seed cultivates the 150-200 gram in greenhouse cement culturing pool, just transfer them in the reservoir deep water mesh cage and carry out the marketable fish fattening stage.It is good that the cages in reservoir culturing area will be chosen in water quality, 8 meters of the depth of waters, the large reservoir water surface that should have simultaneously miniflow, wind sheltering, faces south.Net cage arranges specification 5 meters of 5 meters * of 5 meters *, and the etting material is polyethylene structure, and the surrounding mesh size is at 2-2.5CM, and the bottom mesh is 0.1-0.2CM.Greenhouse sturgeon front 15 days in transfer, need net cage is immersed in water, and periphtic algae, in case abraded by polythene net after sturgeon network access case.The sturgeon of putting in each deep water mesh cage will be selected the basically identical juvenile fish of size, and every square of net cage is put into 30 juvenile fish.
The 7th step, to carry out the morning, noon and afternoon every day and respectively throw something and feed once, it is 40% expanded heavy forage that the feed of throwing something and feeding is selected crude protein, each feeding volume be in case the fish body weight 2%, feeding volume also needs in time adjust feeding volume according to the situation of ingesting of weather water temperature and fish simultaneously.After sturgeon enters net cage, every case, with 2 kilograms of quicklimes, reached nearby waters with the casing of splashing after quicklime water every 15 days, and every day 1 time, for three days on end, diseases prevention carries out disinfection.Adhere to that the morning, noon and afternoon patrol the case inspection, finding that there is dead fish will in time pull out, and this breeding process one is until the marketable fish listing.
Sturgeon can catch 3320 jin after six months, and the Plagiognathops microlepis fish can catch 74 jin.
The present invention utilizes the Plagiognathops microlepis fish that cover is supported to clear up residual bait and silver xenocypris fish excreta in pond, can greatly shorten every day and use the time 2 h of soil pick-up pump, thereby reduce labor cost and saves energy; Simultaneously, the Plagiognathops microlepis fish also can be cleared up a large amount of mosses that adhere on net cage, keeps current unimpeded, prevents the sturgeon that cultivates anoxic, reduces the lethality of sturgeon, and the survival rate of sturgeon can reach 97%.Only there is the seed cost in the aquaculture cost of Plagiognathops microlepis, thereby can improve the economic benefit of sturgeon breeding.
Embodiment 2: substantially the same manner as Example 1, difference is:
35/the kg of stocking size of Plagiognathops microlepis fry kind, breeding density are 5 every square metre, and seed is put into before the cement culturing pool with 5% saline solution dipping bath 10 minutes.The sturgeon seed is put into before the cement culturing pool salt water dipping bath 10 minutes of first using 5% concentration.Breeding density is 40 every square metre.Open immediately inlet valve after seed is put into, flow of inlet water is controlled at per hour 5 tons.After seed enters pond, select crude protein manually to throw something and feed at 45% expanded heavy forage, throw something and feed every day 5 times, each feeding volume is 5% of fish body weight.When sturgeon carried out the marketable fish cultivation at the reservoir deep water mesh cage, the sturgeon of putting in each deep water mesh cage will be selected the basically identical juvenile fish of size, and every square of net cage is put into 35 juvenile fish.Will carry out the morning, noon and afternoon every day and respectively throw something and feed once, it is 42% expanded heavy forage that the feed of throwing something and feeding is selected crude protein, each feeding volume be in case the fish body weight 4%, feeding volume also needs in time adjust feeding volume according to the situation of ingesting of weather water temperature and fish simultaneously.Sturgeon enters after net cage every 20 days every case with 3 kilograms of quicklimes.
Sturgeon can catch 3560 jin after six months, and the Plagiognathops microlepis fish can catch 115 kilograms.
After adopting the present embodiment, the survival rate of sturgeon can reach 98%.
Claims (5)
1. a Plagiognathops microlepis fish and sturgeon cover breeding method, is characterized in that, the method comprises the steps:
The first step, the cement culturing pool is disinfected: at first be filled to the setting height place in the cement culturing pool, require inflow temperature lower than below 28 degrees centigrade; Then carry out the culturing pool sterilization with potassium permanganate, the potassium permanganate consumption is every cube of water body 8-10 gram, disinfecting time 48 hours; After sterilization, water body in culturing pool is all given out light, refill reservoir water to the above-mentioned At The Height that sets, open simultaneously aerator and carry out aeration oxygen replenishing, more than dissolved oxygen in water will remain on 4ml/L, wait for and put seedling;
Second step, Plagiognathops microlepis fry kind is thrown in: stocking size 25-35 bar/kg, breeding density are every square metre of 3-5 bar; After put into the cement culturing pool and propagate artificially; Plagiognathops microlepis fry seed is finished in the input by the end of March in every year;
The 3rd step, feeding and management: this one-phase before throwing in to the sturgeon seed after Plagiognathops microlepis fry kind is thrown in, do not need the Plagiognathops microlepis fish is carried out feedstuff feeding, but should be before sturgeon is put in a suitable place to breed about 5 days, surrounding at the food platform separates with the polythene net sheet, in case the Plagiognathops microlepis fish is robbed food to the food platform, the size of the mesh of polythene net sheet should be adjusted according to the fingerling growing state in good time;
In the 4th step, the sturgeon seed is thrown in: selecting the appearance not damaged, without the sturgeon seed of deformity, the seed size is 8-12 centimetre; Seed is put into before the cement culturing pool salt water dipping bath 5-10 minute that first uses 3%-5% concentration, after put into the cement culturing pool and propagate artificially; Breeding density is every square metre of 30-40 bar;
In the 5th step, sturgeon seed greenhouse cultivation process: open immediately inlet valve after the sturgeon seed is put into, flow of inlet water is controlled at per hour 3-5 ton, 24 hours uninterrupted water supply, and water temperature requires below 28 degrees centigrade; After the sturgeon seed enters pond, select crude protein manually to throw something and feed at the expanded heavy forage of 42%-45%, throw something and feed 4-5 every day, and each feeding volume is the 3%-5% of sturgeon fish body weight; Adopt the mode of manual operation soil pick-up pump to carry out pond at the bottom of soil pick-up to culturing pool every day, and the soil pick-up standard is without ight soil and residual bait at the bottom of pond;
In the 6th step, sturgeon carries out the marketable fish cultivation at the reservoir deep water mesh cage: when the sturgeon seed cultivates the 150-200 gram in greenhouse cement culturing pool, just transfer them in the reservoir deep water mesh cage and carry out the marketable fish fattening stage; It is good that the cages in reservoir culturing area will be chosen in water quality, 8 meters of the depth of waters, the large reservoir water surface that should have simultaneously miniflow, wind sheltering, faces south; The sturgeon of putting in each deep water mesh cage will be selected the basically identical juvenile fish of size, and every square of net cage is put into 30-35 bar juvenile fish;
The 7th step, scientific feeding: will carry out the morning, noon and afternoon every day and respectively throw something and feed once, it is the expanded heavy forage of 40%-42% that the feed of throwing something and feeding is selected crude protein, and each feeding volume is the 2%-4% of fish body weight in case, and feeding volume also needs in time to adjust feeding volume according to the situation of ingesting of weather water temperature and sturgeon simultaneously; After sturgeon enters net cage, every case, with quicklime 2-3 kilogram, added after water stirs in the net cage casing of splashing and reaches nearby waters in quicklime every 15-20 days, and every day 1 time, for three days on end, diseases prevention carries out disinfection; Adhere to that the morning, noon and afternoon patrol the case inspection, finding that there is dead fish will in time pull out, repeats this step feeding patterns one until the marketable fish listing.
2. a kind of Plagiognathops microlepis fish according to claim 1 and sturgeon cover breeding method, is characterized in that, in the first step, described cement culturing pool is that length is that 8-10 rice, width are 8-10 rice, highly are the square cement culturing pool of 1 meter; Described setting height is 0.8 meter.
3. a kind of Plagiognathops microlepis fish according to claim 1 and sturgeon cover breeding method, is characterized in that, in second step, Plagiognathops microlepis fry kind is put into before the cement culturing pool saline solution dipping bath 5-10 minute with 5%.
4. a kind of Plagiognathops microlepis fish according to claim 1 and sturgeon cover breeding method, is characterized in that, in the 6th step, the reservoir deep water mesh cage arranges specification 5 meters of 5 meters * of 5 meters *, the etting material is polyethylene structure, and the surrounding mesh size is at 2-2.5CM, and the bottom mesh is 0.1-0.2CM.
5. a kind of Plagiognathops microlepis fish according to claim 1 and sturgeon cover breeding method, is characterized in that, in the 6th step, the greenhouse sturgeon had been transferred to the reservoir deep water mesh cage front 15 days, needed net cage is immersed in water.
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| CN105360036A (en) * | 2015-12-19 | 2016-03-02 | 王克秀 | Cultivation method for polyculture of plagiognathops microlepis and snails |
| CN105706966A (en) * | 2016-01-19 | 2016-06-29 | 周天赐 | Artificial propagation method of distoechodon tumirostris |
| CN108812461A (en) * | 2018-07-16 | 2018-11-16 | 镇江水中仙渔业发展有限公司 | A kind of cultural method hybridizing mandarin fish |
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| CN105360036A (en) * | 2015-12-19 | 2016-03-02 | 王克秀 | Cultivation method for polyculture of plagiognathops microlepis and snails |
| CN105706966A (en) * | 2016-01-19 | 2016-06-29 | 周天赐 | Artificial propagation method of distoechodon tumirostris |
| CN108812461A (en) * | 2018-07-16 | 2018-11-16 | 镇江水中仙渔业发展有限公司 | A kind of cultural method hybridizing mandarin fish |
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