CN105918165A - Overwintering method for aquaculture through brackish omni-directional flowing water - Google Patents
Overwintering method for aquaculture through brackish omni-directional flowing water Download PDFInfo
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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
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Fodder In General (AREA)
- Environmental Sciences (AREA)
- Feed For Specific Animals (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
Abstract
The invention discloses an overwintering method for aquaculture through brackish omni-directional flowing water. The method comprises the following steps: preparation of an aquaculture pool or a net cage; preparation of a recirculating water purification system; preparation of a microecological environment of water in the aquaculture pool; feed feeding and breeding; and a breeding model for overwintering of aquatic products through the brackish omni-directional flowing water. According to the invention, through the process of the brackish omni-directional flowing water, a healthy microbial community can be activated and maintained, so the aquaculture pool is free of any dead corner, and infectious microbes or harmful microorganisms are avoided from being produced in an anaerobic environment; a probiotic community continuously reproduces, so immunity is improved; and brackish water can inhibit the reproduction of water molds and accelerates the repair of body-surface frostbite. Through comprehensive measures like construction of a brackish flowing water breeding ecological environment and a health-care measure of nutrition oral administration, common stress responses of an aquaculture variety to low temperature, deterioration of water quality and the like in winter are reduced; the physique of the aquaculture variety is strengthened; and adaptive capacity to low temperature and disease-resisting ability are improved.
Description
Technical field
The invention belongs to aquaculture field, particularly to the aquaculture of the comprehensive current water of a kind of brackish water
Wintering method.
Background technology
Alosa sapidissima (Alosa sapidissima) introduced after China from the U.S. from 2003, south the most at home
Multiple provinces and cities form certain cultivation scale, become one of the famousst and precious domestic breed variety.Macrura reevesii is typical
Anadromous migration Water fish warm in nature, growth preference temperature is 15～25 DEG C, at present, the main breeding way of Cultured Tenualosa Reevesii
Being greenhouse cultivation, industrialized culture or south cages in reservoir cultivation, the overwintering survival rate in winter is that restriction Macrura reevesii is supported
One of restraining factors growing large-scale development.
Greenhouse cultivation or indoor industrially-cultured water temperature control to rely primarily on greenhouse heat-insulating and subsoil water maintains water
Temperature, cage culture mainly reservoir overwintering on the south the south of the River.But, run into cold current, especially run into and hold
Continuous stream cold in nature, water temperature is difficult to continue more than 8～12 DEG C.Temperature is less than 10 DEG C, stops ingesting, and body constitution disappears
Thin；Temperature is less than 8 DEG C, can cause body surface or oral cavity growth fish molds because body surface cold injury, and then cause fish molds
Disease, causes mortality, mortality rate to be up to more than 30%.For reducing the mortality rate of the Macrura reevesii that survives the winter, producer
Generally use substantial amounts of medicine, the most violated body surface anti-inflammation drugs, the most uncontrollable state of an illness.Survive the winter period hilsa herring
Fish death brings huge loss to raiser, becomes the maximum challenge that Macrura reevesii aquaculture development meets with.Improve
Cultivation microecological environment, improves Macrura reevesii body constitution and cold tolerance, reduces the stress of low temperature, is to break through the winter
One of key measure of season cultivation bottleneck.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the technical problem to be solved there is provided
A kind of aquaculture wintering method of the comprehensive current water of brackish water.
Technical scheme: in order to solve above-mentioned technical problem, the invention provides a kind of comprehensive circulating water of brackish water
The aquaculture wintering method of body, comprises the following steps:
1) aquaculture pond or the preparation of net cage；
2) preparation of recirculating water purification system；
3) preparation of culturing pool microecological environment；
4) the throwing something and feeding and cultivating of feedstuff；
5) Aquatic product of the comprehensive current water of brackish water is survived the winter aquaculture model.
Wherein, the Aquatic product of the comprehensive current water of above-mentioned brackish water survive the winter aquaculture model refer to sea crystal or
The brackish water of crude salt modulation culturing pool, salinity to 5～25 ‰, if wanted in greenhouse or industrialized aquiculture pond
Formed from bottom to top with the current of level；If net cage is then fetched water downwards by water pump, destroy net cage lower floor dead
Angle.
Wherein, above-mentioned steps 3 and 4) in also include using microorganism formulation.
The preparation method of above-mentioned microorganism formulation is: beneficial many water happinesses powder is added prebiotic bacterium solution, then adds water
And molasses, agitation and dilution, aeration 10～30 minutes, obtain Tiny ecosystem mix preparation, the Tiny ecosystem that will obtain
Mix preparation is mixed and made into microorganism formulation with prebiotic bacterium solution again.The Tiny ecosystem mix preparation of the present invention is used for improving
Water body microecological environment；The microorganism formulation of the present invention, before water temperature declines to a great extent, purifies water and heavy at the bottom of pond
Shallow lake thing, sets up healthy microbiologic population, the harmful microorganism suppressing or removing in water body, is formed and has relatively by force certainly
Net energy power or the water quality of health.The Tiny ecosystem mix preparation of the present invention, includes following components by weight: benefit
Many water happinesses powder 4～8 parts, prebiotic bacterium solution 1～2 parts, molasses 4～8 parts, water 400～800 parts.
Above-mentioned Tiny ecosystem mix preparation is 1:1～1:0.1 with the ratio of prebiotic bacterium solution.
A kind of microorganism formulation feedstuff, adds microorganism formulation common aquatic feeds and get final product.Described microorganism system
What agent accounted for common Aquatic product feed relative 1～3% is added.This feedstuff is used for improving enteric microorganism bacterium colony, carries
The immunity of high Macrura reevesii and cold tolerance.The microorganism formulation feedstuff of the present invention is referred to as Yulebao.
Wherein, above-mentioned steps 4) in also include oral administration nutritional hygienic measures.
Wherein, micro-nutritional solution of throwing something and feeding that above-mentioned oral administration nutritional hygienic measures refers to.The invention is characterized in that battalion for oral administration
Support hygienic measures, by normal diet being carried out micro-nutritional solution immersion.Sea surface oil slick is protected, it is achieved winter nutrient
Add.Oral administration nutritional mainly includes unsaturated fatty acid, compound vitamin, compound mineral salts and antioxidation battalion
Support the factor etc., strengthen the body constitution of fish body, improve the Macrura reevesii adaptation ability to low temperature.The input amount of micro-nutritional solution is
The 5～15% of common Aquatic product feed relative.
Wherein, above-mentioned micro-nutritional solution includes following components by weight: bathypelagic fish oil 78～95 parts, compound
Vitamin 0.3～5 parts, antioxidation trophic factors 0.1～1.5 parts, compound mineral salts 0.2～1.5 parts, big
Bean lecithin 10～20 parts.
Preferably, above-mentioned micro-nutritional solution aquatic feeds includes following components by weight: bathypelagic fish oil 78 parts,
Compound vitamin 0.3 part, antioxidation trophic factors 0.5 part, compound mineral salts 0.5 part, soybean lecithin
18 parts.
Above-mentioned bathypelagic fish oil is rich in n-3 unsaturated fatty acid, and wherein, DHA, EPA, vitamin A and D are
For important.
Above-mentioned compound vitamin is vitamin C, vitamin A and D.
Above-mentioned antioxidation trophic factors is for splitting kettle algae powder or 3,4,3',4'-tetraketo-.beta.-carotene.
Wherein, above-mentioned aquaculture kind refers to Alosa sapidissima or the Changjiang river hairtail.
Wherein, above-mentioned cultivation temperature is 5～15 DEG C.
Beneficial effect: compared with prior art, the invention have the advantages that the present invention is by using brackish water
The technique of comprehensive current water can activate and maintain healthy microbiologic population so that does not exists in aquaculture pond
Any dead angle, it is to avoid anaerobic environment produces miscellaneous bacteria or harmful microorganism, prebiotic bacterium colony is constantly multiplied, and improves immunity
Power, promotes the reparation of body-surface rauma.By set up the flowing water culture ecological environment rich in healthy microbiologic population and
The aggregate measures such as oral administration nutritional hygienic measures, reduce Aquatic product to the winter such as low temperature, water quality deterioration common stress be anti-
Should, strengthen the body constitution of Aquatic product, improve the adaptation ability to low temperature and resistance against diseases.
The commercial application of the technology of the present invention, will significantly improve the survival rate that Aquatic product is survived the winter, and reduces aquaculture wind
Danger, improves the economic benefit of cultivation, has great significance improving further of Aquatic product large-scale cultivation.
Detailed description of the invention:
The present invention is expanded on further below by embodiment.Benefit many water happinesses powder of present invention use, probiotic bacteria
Liquid (i.e. probiotic bacteria stock solution), molasses, bathypelagic fish oil, compound vitamin, antioxidation trophic factors, grandidierite
Thing salt, soybean lecithin etc. all can be commercially available in routine on the market.
Embodiment 1: the brackish water comprehensive current water cultivation of Macrura reevesii
The brackish water comprehensive current water cultural method of a kind of Macrura reevesii, comprises the following steps:
1) preparation of Macrura reevesii culturing pool: cultivation fish pond can be selected for circle or has the rectangle of fillet, area be 50～
300 square metres, the depth of water is 0.8～2.0 meter.Fishpond oxygen supplement can use aeration or wheel type aerator.Aeration
Pipe is arranged in fishpond surrounding, forms current from bottom to top, and diagonal angle arranges water pump convection current, forms unidirectional circulation.
2) the preparation of recirculating water purification system: purification of water quality can be divided into four parts, i.e. solid waste separate,
Aerobic nitrification, anaerobic nitrification and ultraviolet disinfection.Fishpond sewage is entered solid-state separator, upper strata by bottom outlet pipe
Clear water enter aerobic nitrification pond, subsequently into anaerobic nitrification pond, after treated clear water enters ultraviolet disinfection,
Flow back to fishpond.
3) preparation of culturing pool: 1～3 day in advance, pump into the former Macrura reevesii culturing pool of 10%, use " fish
Happy treasured ", cultivate beneficial microbe colony in advance.The preparation of " Yulebao " of the present embodiment: by beneficial many water happinesses
4 parts of powder adds prebiotic bacterium solution 1 part, and then add water 400 parts and 4 parts of molasses, agitation and dilution, aeration 10～
30 minutes, obtain Tiny ecosystem mix preparation；The Tiny ecosystem mix preparation obtained is added prebiotic bacterium solution, micro-life
State mix preparation is that 1:1 i.e. obtains microorganism formulation with the ratio of prebiotic bacterium solution.The microorganism formulation obtained is added
Common aquatic feeds stirring, what microorganism formulation accounted for common Aquatic product feed relative 1% is added.
4) input and Cultured Tenualosa Reevesii: regulate the water temperature close with former culturing pool, the temperature difference is less than 1～2 DEG C, cultivation
Density be 5～20 tails/square metre or 5～20kg/ square metre.Throwing something and feeding every day Yulebao 2～4 times, every day throws something and feeds
Amount is the 1-3% of Macrura reevesii body weight.
5) survive the winter period microorganism formulation application process: " Yulebao " is added water, sugaring, aeration activation
Useful bacterium colony.Within every 5～10 days, use once, double during cold current to use.
6) brackish water aquaculture pattern: before survive the winter period, especially cold current arrive, adjusts with sea crystal or crude salt
The brackish water of culturing pool processed, salinity to 5～25 ‰, the adaptation ability of Macrura reevesii low temperature can be improved, prevent and treat cold injury and draw
The fish molds sent out.Our research indicate that, the optimum salinity of Macrura reevesii is 10～20 ‰, at this Variation of Salinity Condition
Under, Macrura reevesii can bear 3～5 DEG C, without frost bitten.
The brackish water comprehensive current water cultivation of embodiment 2 Macrura reevesii
1) preparation of Macrura reevesii culturing pool: cultivation fish pond can be selected for circle or has the rectangle of fillet, area be 50～
300 square metres, the depth of water is 0.8～2.0 meter.Fishpond oxygen supplement can use aeration or wheel type aerator.Aeration
Pipe is arranged in fishpond surrounding, forms current from bottom to top, and diagonal angle arranges water pump convection current, forms unidirectional circulation.
2) the preparation of recirculating water purification system: purification of water quality can be divided into four parts, i.e. solid waste separate,
Aerobic nitrification, anaerobic nitrification and ultraviolet disinfection.Fishpond sewage is entered solid-state separator, upper strata by bottom outlet pipe
Clear water enter aerobic nitrification pond, subsequently into anaerobic nitrification pond, after treated clear water enters ultraviolet disinfection,
Flow back to fishpond.
3) preparation of culturing pool: 1～3 day in advance, pump into the former Macrura reevesii culturing pool of 10%.
4) input and Cultured Tenualosa Reevesii: regulate the water temperature close with former culturing pool, the temperature difference is less than 1～2 DEG C, cultivation
Density be 5～20 tails/square metre or 5～20kg/ square metre.Throw something and feed every day Yulebao 2～4 times, be every time
The 1～3% of fish body weight.
5) feeding method of micro-nourishing healthy for oral administration during surviving the winter: micro-for water solublity nutritional solution is diluted 10～30
Prepare nutritional solution again, be sprayed in feedstuff, stirring and evenly mixing, dry in the shade.Then, add the bathypelagic fish oil of 5-12%,
Stir, can use after drying in the shade.Within every 2～10 days, throw something and feed once, be the 1～3% of fish body weight every time, secondary
The feedstuff of probiotic formulations of throwing something and feeding day.Double during cold current to throw something and feed.Micro-nutritional solution of the present embodiment is by weight
Including following components: bathypelagic fish oil 78 parts, vitamin C 3 parts, split 0.5 part of kettle algae powder, compound mineral salts
0.5 part, soybean lecithin 18 parts.The input amount of micro-nutritional solution is the 5% of common Aquatic product feed relative.
6) brackish water aquaculture pattern: before survive the winter period, especially cold current arrive, adjusts with sea crystal or crude salt
The brackish water of culturing pool processed, salinity to 5～25 ‰, the adaptation ability of Macrura reevesii low temperature can be improved, prevent and treat cold injury and draw
The fish molds sent out.Our research indicate that, the optimum salinity of Macrura reevesii is 10～20 ‰, at this Variation of Salinity Condition
Under, Macrura reevesii can bear 3～5 DEG C, without frost bitten.
The brackish water comprehensive current water cultivation of embodiment 3 Macrura reevesii
By Macrura reevesii is carried out by micro-nutritional solution fish meal and microorganism formulation the most simultaneously greenhouse, cage culture and
Greenhouse brackish water cyclic culture, particular content is as follows:
1) preparation of Macrura reevesii culturing pool: cultivation fish pond can be selected for circle or has the rectangle of fillet, area be 50～
300 square metres, the depth of water is 0.8～2.0 meter.Fishpond oxygen supplement can use aeration or wheel type aerator.Aeration
Pipe is arranged in fishpond surrounding, forms current from bottom to top, and diagonal angle arranges water pump convection current, forms unidirectional circulation.
2) the preparation of recirculating water purification system: purification of water quality can be divided into four parts, i.e. solid waste separate,
Aerobic nitrification, anaerobic nitrification and ultraviolet disinfection.Fishpond sewage is entered solid-state separator, upper strata by bottom outlet pipe
Clear water enter aerobic nitrification pond, subsequently into anaerobic nitrification pond, after treated clear water enters ultraviolet disinfection,
Flow back to fishpond.
3) preparation of culturing pool: 1～3 day in advance, pump into the former Macrura reevesii culturing pool of 10%.
4) input and Cultured Tenualosa Reevesii: regulate the water temperature close with former culturing pool, the temperature difference is less than 1～2 DEG C, cultivation
Density be 5～20 tails/square metre or 5～20kg/ square metre.Throw something and feed every day Yulebao 2～4 times, throw every day
Feed the amount 1-3% for fish body weight.
5) survive the winter period Yulebao application process: Yulebao adds water, sugaring, aeration activate useful bacterium colony.
Within every 5～10 days, using once, every day, feeding volume was the 1-3% of fish body weight., double to use during cold current.This reality
Execute the preparation of " Yulebao " of example: 8 parts of beneficial many water happinesses powder is added prebiotic bacterium solution 2 parts, then adds water
800 parts and 8 parts of molasses, agitation and dilution, aeration 10～30 minutes, obtain Tiny ecosystem mix preparation；Will
The Tiny ecosystem mix preparation arrived adds prebiotic bacterium solution, and Tiny ecosystem mix preparation is 1:0.1 with the ratio of prebiotic bacterium solution
Obtain microorganism formulation.The microorganism formulation obtained is added the stirring of common aquatic feeds, and microorganism formulation accounts for general
The 3% of water flowing product feed relative is added.
6) feeding method of micro-nourishing healthy for oral administration during surviving the winter: micro-for water solublity nutritional solution is prepared by 1-3%
Nutritional solution, is sprayed in feedstuff, stirring and evenly mixing, dries in the shade.Then, the bathypelagic fish oil of 5-12%, stirring are added
Uniformly, can use after drying in the shade.Within every 2～10 days, throwing something and feeding once, be the 1～3% of fish body weight every time, next day throws
Feed the microorganism formulation of probiotic formulations.Double during cold current to throw something and feed.Micro-nutritional solution of the present embodiment is by weight
Count and include following components: bathypelagic fish oil 80 parts, vitamin C 1 part, 3,4,3',4'-tetraketo-.beta.-carotene 0.1 part, compound mineral salts
0.2 part, soybean lecithin 10 parts.The input amount of micro-nutritional solution is the 15% of common Aquatic product feed relative.
7) brackish water aquaculture pattern: before survive the winter period, especially cold current arrive, modulates with sea crystal or crude salt
The brackish water of culturing pool, salinity to 5～25 ‰, the adaptation ability of Macrura reevesii low temperature can be improved, prevent and treat cold injury and cause
Fish molds.Our research indicate that, the optimum salinity of Macrura reevesii is 10～20 ‰, under this Variation of Salinity Condition,
Macrura reevesii can bear 3～5 DEG C, without frost bitten.
By the present invention in that with microorganism formulation, improve winter ecology environment and the microorganism health group of Macrura reevesii cultivation
Fall, add health nutrient of surviving the winter for oral administration, strengthen Macrura reevesii body constitution, thus, comprehensively improve Macrura reevesii to low temperature
Adaptation ability, improves Macrura reevesii overwintering survival rate.
The brackish water comprehensive current water cultivation of embodiment 4 the Changjiang river hairtail
In the same manner as in Example 4, different places is the cultural method of the Changjiang river hairtail, " the fish pleasure of the present embodiment
Precious " preparation: 6 parts of beneficial many water happinesses powder is added prebiotic bacterium solution 1.5 parts, and then add water 600 parts and molasses
6 parts, agitation and dilution, aeration 10～30 minutes, obtain Tiny ecosystem mix preparation；The Tiny ecosystem obtained is mixed
Closing preparation and add prebiotic bacterium solution, Tiny ecosystem mix preparation is that 1:0.5 i.e. obtains microorganism system with the ratio of prebiotic bacterium solution
Agent.The microorganism formulation obtained is added the stirring of common aquatic feeds, and microorganism formulation accounts for common aquatic feeds weight
The 2% of amount is added.Micro-nutritional solution of the present embodiment includes following components by weight: bathypelagic fish oil 95
Part, vitamin C 5 parts, split 1.5 parts of kettle algae powder, compound mineral salts 1.5 parts, soybean lecithin 20 parts.
The input amount of micro-nutritional solution is the 10% of common Aquatic product feed relative.
Comparative example 1: common cultivation greenhouse cultivation pattern:
1) preparation of Macrura reevesii culturing pool: cultivation fish pond can be selected for circle or has the rectangle of fillet, area be 50～
300 square metres, the depth of water is 0.8～2.0 meter.Fishpond oxygen supplement can use aeration or wheel type aerator.Aeration
Pipe is arranged in fishpond surrounding, forms current from bottom to top, and diagonal angle arranges water pump convection current, forms unidirectional circulation.
The preparation of recirculating water purification system: purification of water quality can be divided into four parts, i.e. solid waste separation, aerobic nitrification,
Anaerobic nitrification and ultraviolet disinfection.Fishpond sewage is entered solid-state separator by bottom outlet pipe, and the clear water on upper strata enters
Aerobic nitrification pond, subsequently into anaerobic nitrification pond, after treated clear water enters ultraviolet disinfection, flows back to fishpond.
2) preparation of culturing pool: 1～3 day in advance, pump into the former Macrura reevesii culturing pool of 10%, uses common
Fish meal.
3) input and Cultured Tenualosa Reevesii: regulate the water temperature of former culturing pool, the temperature difference is less than 1～2 DEG C, and cultivation density is
5～20 tails/square metre or 5～20kg/ square metre.Throwing something and feeding every day Yulebao 2～4 times, every day, feeding volume was fish
The 1-3% of body weight.
4) application process of common fish meal during surviving the winter: common fish meal is used once in every 5～10 days, cold
Double during stream to use.
Comparative example 2: Thousand-Island Lake cage culture:
1) preparation of net cage: being shaped as of net cage is square, the length of side is 5～20 meters, and net cage is 3～8 meters deeply.
Throw in before Macrura reevesii 1～3 day, continuous four days hanging bags at net cage corner, built-in common fish meal.Every 5～10
It uses once common fish meal hanging bag.Morning every day hanging bag, bright and sunny weather hanging bag best results.
2) throw in and Cultured Tenualosa Reevesii: cultivation density be 5～10 tails/square metre or 5～10kg/ square metre.Throw in
After, within continuous several days, throw something and feed interpolation probiotic bacteria or the feedstuff of garlicin.During cultivation, throw something and feed every day 2～4 times,
Every day, feeding volume was the 1-3% of fish body weight.
3) application process of common fish meal during surviving the winter: common fish meal is used, and uses in every 5～10 days
Secondary, every day, feeding volume was the 1-3% of body fish weight.
Comparative example 3: " Yulebao " net cage health care cultivation: with reference to comparative example 2, except for the difference that by common fish meal
Changing into is Yulebao feedstuff.
The comparison of several breeding way:
Table 1
By the present invention in that use " Yulebao ", improve winter ecology environment and the microorganism health group of Macrura reevesii cultivation
Fall, add health nutrient of surviving the winter for oral administration, strengthen Macrura reevesii body constitution, thus, comprehensively improve Macrura reevesii to low temperature
Adaptation ability, improves Macrura reevesii overwintering survival rate.
In a word, by the improvement of breeding ecological environment and the strengthening of oral administration nutritional of surviving the winter, it is remarkably improved and survives the winter into
Motility rate and rate of growth, be mainly manifested in:
1, in greenhouse cultivation example, " Yulebao " microorganism formulation is by improving cultivation water ecological environment, aobvious
Write and improve overwintering survival rate and rate of growth, be respectively increased 11.4% and 12.6%.
2, on the basis of using " Yulebao ", strengthen micro-nutrition (namely experimental example 3), use greenhouse
Brackish water circulating water cultivation, overwintering survival rate and rate of growth are the highest, respectively 98.2% and 37.9%.
3, in cage culture, the aggregate measures such as " Yulebao " and fortification are remarkably improved overwintering survival rate,
Improve 8.1%.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the technology people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve
Also protection scope of the present invention is should be regarded as with retouching.
Claims (10)
1. the aquaculture wintering method of the comprehensive current water of brackish water, it is characterised in that include with
Lower step:
1) aquaculture pond or the preparation of net cage；
2) preparation of recirculating water purification system；
3) preparation of culturing pool microecological environment；
4) the throwing something and feeding and cultivating of feedstuff；
5) Aquatic product of the comprehensive current water of brackish water is survived the winter aquaculture model.
The aquaculture wintering method of the comprehensive current water of a kind of brackish water the most according to claim 1,
It is characterized in that, the Aquatic product of the comprehensive current water of described brackish water aquaculture model of surviving the winter refers to and uses sea crystal
Or the brackish water of crude salt modulation culturing pool, salinity to 5～25 ‰, if in greenhouse or industrialized aquiculture pond
Formed from bottom to top with the current of level；If net cage is then fetched water downwards by water pump, destroy net cage lower floor
Dead angle.
The aquaculture wintering method of the comprehensive current water of a kind of brackish water the most according to claim 1,
It is characterized in that, described step 3 and 4) in also include using microorganism formulation.
The aquaculture wintering method of the comprehensive current water of a kind of brackish water the most according to claim 3,
It is characterized in that, the preparation method of described microorganism formulation is: beneficial many water happinesses powder is added prebiotic bacterium solution,
Then gallisize honey, agitation and dilution, aeration 10～30 minutes, obtains Tiny ecosystem mix preparation, will obtain
Tiny ecosystem mix preparation and prebiotic bacterium solution be mixed and made into microorganism formulation.
5. according to the brackish water comprehensive current water aquaculture side of surviving the winter described in any one of Claims 1 to 4
Method, it is characterised in that described step 4) in also include oral administration nutritional hygienic measures.
A kind of brackish water comprehensive current water aquaculture wintering method the most according to claim 5,
It is characterized in that, what described oral administration nutritional hygienic measures referred to throw something and feed micro-nutritional solution.
A kind of brackish water comprehensive current water aquaculture wintering method the most according to claim 6,
It is characterized in that, described micro-nutritional solution includes following components by weight: bathypelagic fish oil 80～95 parts, multiple
Close vitamin 1～5 parts, antioxidation trophic factors 0.1～1.5 parts, compound mineral salts 0.2～1.5 parts, big
Bean lecithin 10～20 parts.
A kind of brackish water comprehensive current water aquaculture wintering method the most according to claim 1,
It is characterized in that, described aquaculture kind refers to Alosa sapidissima or the Changjiang river hairtail.
A kind of brackish water comprehensive current water aquaculture wintering method the most according to claim 1,
It is characterized in that, described cultivation temperature is 5～15 DEG C.
10. according to a kind of brackish water comprehensive current water aquaculture side of surviving the winter described in claim 3 or 5
Method, it is characterised in that the input amount of described microorganism formulation or micro-nutritional solution is the 1～3% of feed relative respectively
With 5～15%.
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