CN107889773A - A kind of aquaculture management method of fresh-water fishes - Google Patents
A kind of aquaculture management method of fresh-water fishes Download PDFInfo
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- CN107889773A CN107889773A CN201711141658.4A CN201711141658A CN107889773A CN 107889773 A CN107889773 A CN 107889773A CN 201711141658 A CN201711141658 A CN 201711141658A CN 107889773 A CN107889773 A CN 107889773A
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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
- A01K61/10—Culture of aquatic animals of fish
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- 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)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Feed For Specific Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of aquaculture management method of mandarin fish, phase of lying fallow for being included in cultivation thoroughly repairs to pond, sterilization of cleaning up the pond；Strain periodic adjustment pond water quality is used in mandarin fish breeding process and uses compound periodic adjustment bottom material of pond for breeding.Experiments prove that method of the invention can effectively prevent breaking out for mandarin fish parasitic disease.Cost of the present invention is cheap and environmentally friendly, reduces feed coefficient, need not use insecticide in whole breeding process, method simply easily operates, and will not cause fish medicament residue and environmental pollution using this method, and human security is effectively ensured.
Description
Technical field
The present invention relates to aquaculture management domain, and in particular to a kind of aquaculture management method of mandarin fish.
Background technology
About 26000 kinds of global fish, wherein about 10700 kinds of fresh-water fishes, but freshwater only accounts for total waters 2.5%, foot
See that the fish density of freshwater is much larger than salt water waters, self purification load of freshwater is also inevitable much to overweight seawater water
Domain, the cultivation for freshwater fish of making rational planning for are particularly important.
Mandarin fish (Siniperca chuatsi) is one of important fresh-water fishes Special Breed species in China, and 2016 produce per year
Amount is up to 300,000 tons.But because the disease such as various parasitic diseases, bacterial disease causes huge loss to mandarin fish cultivation every year, it is
As one of principal element for restricting mandarin fish aquaculture development.Generally, 1 jin of mandarin fish of average production needs 4.5 jin of consumption
Fresh food fish.According to the law of indestructibility of matter, at least also 3.5 jin of excreta or residual bait have entered breeding water body.
In the case of the cultivation of low-density, for example, mandarin fish cultivation density be less than 1000 pounds/acre when, these excretas can by water body self
Purified treatment is fallen；But in the case where improving constantly density case (Pearl River Delta area mandarin fish cultivation density is more than 2500 pounds/acre at present),
Continual excreta accumulation, greatly exceed the self-purification capacity of water body, shows as the high ammonia nitrogen of breeding water body, high nitrous acid
Salt, high pH and low dissolved oxygen, lasting organic contamination are that the pathogen such as harmful bacteria and parasite have built suitable living environment,
So that disease takes place frequently during cultivation.
For mandarin fish parasitic infection, traditional prevention and controls are prevented or treated using various insecticides, are used
Insecticide mainly have formalin, copper sulphate mixture of ferrous sulfate or other preparations containing heavy metal etc..However, use chemistry
Medicine antiparasitic is difficult often thoroughly to kill, and the recurrent exerbation of parasitic disease allows culturist to be sorely distressed.Regular use is killed
Worm agent, easily cause medicament residue and water environment to destroy, and then cause cultivation more and more hard to carry on.Bacteriosis is prevented
The rules for the treatment of mainly use antibiotic, at present because frequently causing the residual excessive problem of medicine to be repeatedly exposed using antibiotic, and many institute's weeks
The antibiotic residue problem known has become the urgent problem to be solved that the mankind face at present.It revert to current cultivation disease hair
Raw root --- continuous balance between nutrition input and water body self-purification ability is broken under high-density breeding, is ultimately resulted in
Cultivation water ecosystem destruction.The outburst of disease is a kind of reflection that environmental system is destroyed.
The content of the invention
In view of this, it is necessary to for it is above-mentioned the problem of, there is provided a kind of aquaculture management method of mandarin fish, mandarin fish of making rational planning for
The breeding environment of fish, it is green.
To solve the above problems, the present invention uses following technical scheme：
A kind of aquaculture management method of fresh-water fishes, including following operation：
1) fish pond is repaired；
2) fish pond is cleaned up the pond sterilization；Pre-processed including water quality, substrate；
3) supplement water inlet；Control breeding density breeds fish fry；
4) bait fish feeds management；
5) microorganism formulation regulation and control water quality；
6) with changing bottom agent modulates substrate.
Further, the step 1) of methods described includes：1 meter wide, 30 centimetres of depths gutter is excavated along pond wall, simultaneously
50 centimetres wide, 30 centimetres of depths gutter is excavated in center, fully removes bottom moisture；After pond water drains, exposure to pond
The pool is cracked, 3~5cm of Size of Crack.
Further, the step 2) of methods described is water quality, substrate pretreatment；Specifically include：With the screen filtration of 80 mesh
Water inlet can filter out the aquatiles such as tadpole, the dragonfly young, fish-egg to 30~50 centimetres, then carry out the full pool and clean up the pond sterilization.
Further, sterilization of being cleaned up the pond in the step 2) of methods described is cleaned up the pond using tea cake and quick lime, and both share.Operation
Method includes：Fresh tea cake is pounded small bulk, is placed in water container after soaking 24 hours, full pool spilling head, usage amount is every
Mu pond 20~30 kilograms of tea cakes of dosage；Meanwhile by quick lime according to every mu 60~70 kilograms change water after uniformly splash.
Further, step 3) supplement water inlet to the depth of water of methods described is 1.6 meters~2.0 meters, and breeding density is every mu
(about 667m2) water body puts body in a suitable place to breed and grow 8~10 centimetres of the tail of fry 2000~3500.
Further, the step 4) of methods described includes：Bait fish, bait fish are launched while putting fingerling in a suitable place to breed in fish pond
Carried out disinfection processing with the saline solution that concentration is 3% before pond-inputting；It it was a bait throwing in phase every 3 days, each daily ration, feeding quantity is put for fingerling
Support amount 5 times~7 times；
Further, the step 5) of methods described is to put into probiotics into water in breeding process；Micro- life
Thing preparation includes component and parts by weight：EM bacterium 0.5~1.5, brown sugar 5~10, aeration running water 90~95.
Further, the preparation method of the step 5) of the methods described microorganism formulation is：According to formula rate feeding
After be sufficiently mixed after, being placed in barrel interior sealing fermentation 48~72, to the pH of zymotic fluid to drop to less than 4.0 days i.e. usable.
Further, the specific put-on method of the microorganism formulation of methods described step 5) includes：Fry body weight reaches
Before 200g, splashed above-mentioned probiotics to fish pond every 7~10 days；After fry body weight reaches 200g, every 5 days using once
Above-mentioned probiotics.
Further, the usage amount of mentioned microorganism preparation is every mu of 10~15 kilograms of water surface.
Further, it is the hydrogen persulfate that concentration is 10%~20% to change substrate matter in methods described step 6) breeding process
Potassium complex salt.
Further, changing the application method of substrate matter in methods described step 6) includes：Change substrate matter in the morning using described
Change bottom, usage amount is every mu of floor space (about 667 square metres) 300g~500g every time.
Further, the service life for changing substrate matter in methods described step 6) is：Before fry generally reaches 200g, every
10~15 days using once；After fry generally reaches 200g, every 7~10 days using once.
Further, the bottom substance migration opportunity that changes of methods described step 6) is：Launching the microorganism formulation of step 5)
Launch within first 24~36 hours.
Beneficial effect of the present invention：
Experiments prove that method of the invention is by purifying the sides such as water source, control breeding density, water quality and substrate maintenance
Face has efficiently controlled parasite type, harmful microbe growth and survival, while has digested the metabolism during fish growth
Thing, avoid parasitic disease common in aquaculture and broken out with what other caught.
Aquaculture management method of the present invention is a kind of cultural method of ecological, environmental protective, and cost is cheap and environmentally friendly, entirely cultivates
Pest control with insecticide medicine need not be used in journey, method is simply easily operated, drug residue free and environmental pollution, provided for consumer green
Color aquatic products, are effectively ensured human security.
Embodiment
In order to preferably show the technical problems to be solved by the invention, the technical scheme used and the technology effect reached
Fruit, it is described further in conjunction with following examples and various experiments.It should be pointed out that the ordinary skill people for this area
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention's
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Embodiment 1
A kind of aquaculture management method of fresh-water fishes, key step include：
1) pond is repaired
Excellent source cultivation Specialty Co-operative Organization's Yokogawa cultivation base, 7 mu of cultivating pool, winter drains pool water, in pond surrounding
1 meter wide, 30 centimetres of depths gutter is excavated, while excavates in center 50 centimetres wide, 30 centimetres of depths gutter, fully removes bottom
Portion's moisture.After pond water drains, exposure 30 days or so to pond is cracked.
2) pond is cleaned up the pond sterilization
Throwing before seedling 10 days, intake with the screen filtration of 80 mesh to 30 centimetres, carrying out the full pool with tea cake and quick lime cleans up the pond
Sterilization：Fresh tea cake is pounded small bulk, is placed in water container after soaking 24 hours, full pool spilling head, usage amount is every mu of pond
20 kilograms of tea cakes of pool dosage；Meanwhile by quick lime according to every mu 70 kilograms change water after uniformly splash.
3) breeding density
Supplement water inlet to 2 meters of the depth of water, and in July 25 day in 2016 7 mu of fish ponds launch the long 10cm of body or so fry ofSinopera chuatsi
2.45 ten thousand tails.
4) bait fish is fed
Fed once every 3d, each daily ration, feeding quantity is 5 times of fingerling stocking amount.Ensure the food amount of 3 days or so；By
The cultivation of 151 days, altogether consumption feed about 7.7 ten thousand jin.
5) regulating and controlling water quality
Before fry reaches 200g, splashed microorganism formulation (component and parts by weight every 10 days fish ponds：0.5 part of EM bacterium,
Brown sugar part 10, it is aerated originally moisture content 95), every mu of (about 667 square metres) usage amount is 10kg.After fry reaches 200g, every 5
, using once above-mentioned self-control microorganism formulation, the every mu of water surface (about 667 square metres) usage amount is 10kg for it.
6) substrate regulates and controls
Before fish reaches 200g, changed bottom once with 10% ammonium persulfate-sodium bisulfate every 15 days, every mu (about 667 is flat
Square rice) usage amount is 300g；After fry reaches 200g, every 7 days using the ammonium persulfate-sodium bisulfate of one time 10%, every mu
(about 667 square metres) usage amount is 500g.Launched within 24 hours before launching microorganism formulation.
7) culture efficiency
By the cultivation of 151 days, 7.7 ten thousand jin of wheat dace, 19000 jin of mandarin fish adult fishes of cumulative sale are fed altogether, and feed coefficient is
4.05.Without parasitic disease occurs during whole management, bacterial disease also seldom occurs, and realizes the ecological efficient of cultivation
Management.
Embodiment 2
A kind of aquaculture management method of fresh-water fishes, key step include：
1) pond is repaired
Excellent source cultivation Specialty Co-operative Organization Yuan Tan cultivation bases, 3 mu of cultivating pool, winter drains pool water, in pond surrounding
1 meter wide, 50 centimetres of depths gutter is excavated, while excavates in center 50 centimetres wide, 30 centimetres of depths gutter, fully removes bottom
Portion's moisture.After pond water drains, exposure 30 days or so to pond is cracked.
2) pond is cleaned up the pond sterilization
Throwing before seedling 10 days, intake with the screen filtration of 80 mesh to 50 centimetres, carrying out the full pool with tea cake and quick lime cleans up the pond
Sterilization：Fresh tea cake is pounded small bulk, is placed in water container after soaking 24 hours, full pool spilling head, usage amount is every mu of pond
30 kilograms of tea cakes of pool dosage；Meanwhile by quick lime according to every mu 60 kilograms change water after uniformly splash.
3) breeding density
Supplement water inlet launches the tail of 8cm advanced fry of yellow catfish 6000 on July 29th, 2016 to 1.6 meters of the depth of water, i.e. density is every mu
2000 tails.
4) bait fish is fed
Every 3d to feed once, each daily ration, feeding quantity is 7 times of fingerling stocking amount, ensures the food amount of 3 days or so.By
The cultivation of 151 days, 27500 jin of wheat dace is fed altogether.
5) regulating and controlling water quality
Before fry reaches 200g, splashed microorganism formulation (component and parts by weight every 7 days fish ponds：1.5 parts of EM bacterium,
Brown sugar part 5, it is aerated originally moisture content 90), every mu of (about 667 square metres) usage amount is 15kg.After fry reaches 200g, every 5
, using once above-mentioned self-control microorganism formulation, the every mu of water surface (about 667 square metres) usage amount is 15kg for it.
6) substrate regulates and controls
Before fry reaches 200g, changed bottom once with 20% SODIUM PERCARBONATE every 10 days, every mu (about 667 square metres) make
Dosage is 300g；After fry reaches 200g, every 7 days using the ammonium persulfate-sodium bisulfate of one time 10%, every mu (about 667
Square metre) usage amount is 300g.Launched within 36 hours before launching microorganism formulation.
7) culture efficiency
The tail of 8cm fries 6000 is launched, by the cultivation of 151 days, feeds 27500 jin of wheat dace altogether, adds up harvest adult fish 6400
Jin jin, feed coefficient 4.3.Without parasitic disease and other bacterial diseases occur during whole management, cultivation is realized
Ecological efficient management.
Embodiment 3
A kind of aquaculture management method of fresh-water fishes, key step include：
1) pond is repaired
Qingyuan City high bridge town joins beneficial aquatic products base, and 8 mu of cultivating pool, winter drains pool water, and in pond, surrounding excavates 1 meter
Wide, 50 centimetres of depths gutter, while 50 centimetres wide, 30 centimetres of depths gutter is excavated in center, fully remove bottom moisture.
After pond water drains, exposure 45 days or so to pond is cracked.
2) pond is cleaned up the pond sterilization
Throwing before seedling 10 days, intake with the screen filtration of 80 mesh to 40 centimetres, carrying out the full pool with tea cake and quick lime cleans up the pond
Sterilization：Fresh tea cake is pounded small bulk, is placed in water container after soaking 24 hours, full pool spilling head, usage amount is every mu of pond
26 kilograms of tea cakes of pool dosage；Meanwhile by quick lime according to every mu 65 kilograms change water after uniformly splash.
3) breeding density
Supplement water inlet on June 24th, 2015, launches 9cm or so the long tail of young crucian 25000 of body to 1.8 meters of the depth of water.
4) bait fish is fed
Every 3d to feed once, each daily ration, feeding quantity is 6 times of fingerling stocking amount, ensures the food amount of 3 days or so.By
The cultivation of 151 days, 115000 jin of wheat dace is fed altogether.
5) regulating and controlling water quality
Before fry reaches 200g, every 9 days microorganism formulations of splashing (component and parts by weight：1 part of EM bacterium, brown sugar part
8th, it is aerated originally moisture content 93), every mu of (about 667 square metres) usage amount is 15kg.After fry reaches 200g, used every 5 days
Once above-mentioned self-control microorganism formulation, the every mu of water surface (about 667 square metres) usage amount is 10kg.
6) substrate regulates and controls
Before fish reaches 200g, changed bottom once with 15% ammonium persulfate-sodium bisulfate every 12 days, every mu (about 667 is flat
Square rice) usage amount is 425g；After fry reaches 200g, every 9 days using the ammonium persulfate-sodium bisulfate of one time 10%, every mu
(about 667 square metres) usage amount is 400g.Launched within 30 hours before launching microorganism formulation.
7) culture efficiency
The tail of 9cm fries 6000 is launched, by the cultivation of 147 days, feeds 115000 jin of wheat dace altogether, adds up harvest adult fish 2730
Jin.Feed coefficient 4.2.1 secondary parasite parasitosis occurs during whole management, realizes the ecological efficient management of cultivation.
Table 1, embodiment 1-3 incidences and feed coefficient
The freshwater fish culturing management method of the application be applied to all deep water fresh-water fishes cultivation, the mandarin fish that is particularly suitable for use in,
Pelteobagrus fulvidraco etc..
Contrast is implemented:1：Traditional desinsection, sterilizing freshwater fish culturing management
The pure and fresh area's pond on a hill town space of the Qingyuan City of case 4 is along fishery high bridge aquaculture base.It is No. 2 respectively to select 3 ponds,
No. 10, No. 14 pond culture mandarin fishes, start in May, 2014 to launch specification 6~8cm mandarin fish kinds, every mu of tail of breeding density 3000
Left and right.Operational administrative is carried out by following method.Statistical result showed, two kinds of high bridge base disease number of incidences average out to 2.6 times
With 0.67 time." formaldehyde " is employed after parasitic disease occurs for 3 mouthfuls of the high bridge base mandarin fish pool or " copper sulphate and ferrous sulfate close
Agent " desinsection, parasitic disease repeatedly, after multiple desinsection, result in mandarin fish infectious spleen renal necrosis in follow-up breeding process
The outburst of disease, 3 mouthfuls of pools are almost annihilated, and cause the serious production underproduction.
Management method is as follows：
1) lie fallow phase bottom material of pond for breeding management
The Winter Dry pool, draining：In winter, pool water is drained, in pond, gutter is excavated in surrounding and center, and surrounding is deep, middle shallow,
Fully remove bottom moisture.If mud is blocked up, first extraction section mud is needed.Shine the pool：After pond water drains, 30 are exposed to the sun
It or so to pond is cracked.Alkalization：To old man and sediment of pond meta-acid (pH ＜ 6.5 pond), carried out with quick lime at alkalization
Reason.Turn over：Using farm machinery or manually pond sludge is turned over, is well mixed quick lime and soil.Rake：Pond is entered
Before water, using farm machinery or manually soil is raked compacting.
2) conventional management method is taken in water quality management during cultivating, and has worm desinsection or refreshes the water periodically, whole without using bacterium
Kind changes bottom.
The space of table 2 is along Fishery cultivation base mandarin fish cultivation situation (high bridge) in 2014
Comparative example 2：" traditional aquaculture management+use strain water transfer " manages
The pure and fresh area's pond on a hill town space of the Qingyuan City of case 5 is along fishery Cao Tang villages aquaculture base.It is 3 respectively to select 3 ponds
Number, No. 42, No. 43 pond culture mandarin fishes, start in May, 2014 to launch specification 6~8cm mandarin fish kinds, every mu of breeding density 2500
Tail or so.Operational administrative is carried out by following method.Statistical result showed, Cao Tang bases mandarin fish parasitic disease and hemorrhage morbidity time
Number is averagely respectively 1.3 times and 0.33 time, average feed coefficient 5.38.Management method is as follows：
1) lie fallow phase bottom material of pond for breeding management
The Winter Dry pool, draining：In winter, pool water is drained, in pond, gutter is excavated in surrounding and center, and surrounding is deep, middle shallow,
Fully remove bottom moisture.If mud is blocked up, first extraction section mud is needed.Shine the pool：After pond water drains, 30 are exposed to the sun
It or so to pond is cracked.Alkalization：To old man and sediment of pond meta-acid (pH ＜ 6.5 pond), carried out with quick lime at alkalization
Reason.Turn over：Using farm machinery or manually pond sludge is turned over, is well mixed quick lime and soil.Rake：Pond is entered
Before water, using farm machinery or manually soil is raked compacting.
2) during cultivation, water quality adjustment mainly takes following method for water quality management during cultivating：
1. applying fertilizer, carbon nitrogen balance is maintained to cultivate early stage in mandarin fish, because nutriment input is few, Water element
More lack, increase the content of water body nitrogen by diligent applied nitrogen；To cultivation the middle and later periods, the discharge of a large amount of nitrogenouz wastes,
Carbon relative deficiency in water body, carbon periodically is supplemented to water body, carbon is mainly mended using rice bran or glucose.
2. periodically using probiotics water transfer, especially in high temperature season, light will be spilled once every 10~15 days
Bacterium or bacillus preparation are closed, supplements profitable strain quantity in water body.
3. parasite is periodically killed using Chinese herbal medicine.Fresh tea cake is directly thrown into water body into bulk, circle is most
Amount is away from aerator, and every mu of 10 jin or so of use, every 15 days using once.
Table 3, space are along Fishery cultivation base mandarin fish cultivation situation (the careless pool) in 2014
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of aquaculture management method of mandarin fish, it is characterised in that comprise the following steps：
1) fish pond is repaired；
2) fish pond is cleaned up the pond sterilization；
3) supplement water inlet；Control breeding density breeds fish fry；
4) bait fish feeds management；Including launching bait fish at regular time and quantity, bait fish pretreatment is carried out before feeding every time；
5) periodically using microorganism formulation regulation and control water quality；
6) periodically with changing bottom agent modulates substrate.
2. aquaculture management method according to claim 1, it is characterised in that the step 1) includes：1 is excavated along pond wall
Meter Kuan, 50 centimetres of depths gutter, while 50 centimetres wide, 30 centimetres of depths gutter is excavated in center, fully remove bottom water
Point；After pond water drains, exposure to pond is cracked.
3. aquaculture management method according to claim 1, it is characterised in that the step 2) of methods described includes：With 80 mesh
Screen filtration intake to 30~50 centimetres, carry out the full pool and clean up the pond sterilization.
4. aquaculture management method according to claim 3, it is characterised in that the sterilization of cleaning up the pond uses tea cake and quick lime
Cleaning up the pond, both share；Operating method includes：Fresh tea cake is pounded small bulk, is placed in water container after soaking 24 hours, entirely
Pond is splashed, and usage amount is 20~30 kilograms of tea cakes of every mu of pond dosage；Meanwhile quick lime is changed into water according to 60~70 kilograms every mu
Uniformly splash afterwards.
5. aquaculture management method according to claim 1, it is characterised in that step 3) the supplement water inlet of methods described to water
Depth is 1.6 meters~2.0 meters, and breeding density is every mu of (about 667m2) water body puts body in a suitable place to breed and grow 8~10 centimetres of fry 2000~3500
Tail.
6. aquaculture management method according to claim 1, it is characterised in that the step 4) of methods described includes：In mandarin fish
Bait fish is launched while putting mandarin fish fingerling in pond in a suitable place to breed, is carried out disinfection processing with 3% salt before bait fish pond-inputting；Every 3
It is a bait throwing in phase, and each daily ration, feeding quantity is 5 times~7 times of mandarin fish seedling stocking rate.
7. aquaculture management method according to claim 1, it is characterised in that the step 5) of methods described is in breeding process
It is middle that probiotics is put into water；The microorganism formulation includes component and parts by weight：EM bacterium 0.5~1.5, brown sugar 5~
10th, it is aerated running water 90~95.
8. aquaculture management method according to claim 7, it is characterised in that the step 5) of the methods described microorganism system
The preparation method of agent is：After being sufficiently mixed after formula rate feeding, barrel interior sealing fermentation 48~72 is placed in zymotic fluid
PH drops to less than 4.0 days and can be used.
9. aquaculture management method according to claim 1, it is characterised in that change bottom in methods described step 6) breeding process
Material is 10~20% ammonium persulfate-sodium bisulfate.
10. aquaculture management method according to claim 9, it is characterised in that change substrate matter in methods described step 6)
Application method includes：Change bottom in the morning using the substrate matter that changes, and usage amount is each 300g~500g of every mu of floor space；Launching
Launch within 24~36 hours before microorganism formulation described in step 5).
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