CN105746411B - A kind of foster method of bottom of pond kind blueness cray fingerling company - Google Patents
A kind of foster method of bottom of pond kind blueness cray fingerling company Download PDFInfo
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- CN105746411B CN105746411B CN201610278163.5A CN201610278163A CN105746411B CN 105746411 B CN105746411 B CN 105746411B CN 201610278163 A CN201610278163 A CN 201610278163A CN 105746411 B CN105746411 B CN 105746411B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- 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
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/60—Fishing; Aquaculture; Aquafarming
Abstract
The invention discloses a kind of bottom of pond kind blueness cray fingerlings even to support method, it is characterised in that includes the following steps：1, the selection of pond condition；2, the transformation in pond；3, the preparation in pond；4, cray seed is put in a suitable place to breed：5, cray daily management：6, the fishing of cray：7, blueness is flooded；8, fingerling is put in a suitable place to breed；9, the daily management breeded fish；10, the fishing of fish.This method makes full use of pond time-space distribution, in the original pond for only cultivating fingerling, plants eyebright, using solar energy synthetic diet crop, for cray, fish, under the premise of not influencing fingerling yield, increase by one season of cultivation cray, achievees the purpose that increase income synergy.
Description
Technical field
The present invention relates to technical field of aquaculture, and in particular to a kind of foster method of bottom of pond kind blueness cray fingerling company.
Background technology
Bottom of pond kind blueness, which is breeded fish, to be had many advantages, such as to save production cost, land resource, is improved pond utilization rate, is to improve at present
The effective way of large Fish-water Fish Farming benefit.The method that existing bottom of pond kind blueness cultivates fingerling is to drain pond in winter or spring
Water puts fingerling in a suitable place to breed after crop grows to certain altitude in bottom of pond sowing green crop, gradually deepens water and flood greenfeed,
Forage crop or directly by herbivorous fishes ingest or rotten rich water cultivate planktonic organism for fish, later stage supplement feed
Or fertilizer, cultivate fingerling.In fingerling stocking, pond is in " idle " shape to the method (usually before May) for the previous period
State.If making full use of idle season of the fingerling pond before summer flower fingerling stocking, intercropping cray neither influences fingerling cultivation
Yield, can also be ingested greenfeed and natural bait using cray, improve efficiency of feed utilization and pond utilization rate, increased and supported
Economic benefit is grown, this is one and connects foster method well, but supports method there is presently no there is this company.
Invention content
To solve the above-mentioned problems of the prior art, the present invention provides a kind of bottom of pond kind blueness cray fingerlings even to support side
Method, this method make full use of pond time-space distribution, in the original pond for only cultivating fingerling, plant eyebright, are closed using solar energy
At forage crop, for cray, fish, under the premise of not influencing fingerling yield, increases by one season of cultivation cray, reach increasing
Receive the purpose of synergy.
Technical solution is used by realizing above-mentioned purpose of the present invention：
A kind of foster method of bottom of pond kind blueness cray fingerling company, it is characterised in that include the following steps：
1, the selection of pond condition：
1-1, water source and water quality：
Selection is had abundant water resources, water quality is excellent, nearby without the rectangle pond polluted and water retention property is good, pond water quality symbol
Close the requirement of 11607 water quality standard for fishery of GB and NY5051 pollution-free food aquiculture fresh water water quality；
1-2, soil and environment：
The pond ridge is solid, and pond ridge soil is loam or clay, and for bottom of pond silt depth at 15-25 centimetres, pond environment meets nothing
Public hazards aquatic products home environment requires GB/T18407.4；
2, the transformation in pond：
The excavation of 2-1, shrimp ditch：
Rectangular shrimp ditch is excavated on the inside of the ridge of pond in bottom of pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three side shrimp
Ditch is narrow shrimp ditch, and the furrow width of wide shrimp ditch is the 1/8-1/10 of pond length, and the furrow width of narrow shrimp ditch is the 1/30-1/ of pond length
20, the depth of shrimp ditch is 0.8-1.2 meters, and the area of shrimp ditch accounts for the 20%~25% of pond area, between wide shrimp ditch and narrow shrimp ditch
And block is mounted between wide shrimp ditch and bottom of pond table top, block top is higher than the peak level 30-40cm in pond；
2-2, into pumping equipment：
Water inlet, discharge outlet are respectively arranged at the opposite both ends in pond, and discharge outlet is located at the lowest point of shrimp ditch, and water inlet is set
There are filtering mesh bag, discharge outlet to be equipped with anti-escape mesh sheet；
3, the preparation in pond：
3-1, bottom of pond disinfection
It after pond is done in pond, is carried out disinfection with quick lime, the dosage of quick lime is 50-75 kgs/acre；
3-2, bottom of pond kind are green
Mid-March to the Ching Ming Festival during, eyebright is sowed on the mud of the moistening of bottom of pond table top, application rate is per acre
1.0-1.5 kilogram；
3-3, seedling management：
Eyebright seedling growth stage is more slow, it is desirable that the mud of bottom of pond table top keeps moistening；If it find that eyebright gives birth to
When long bad, urea should be applied and carry seedling, the amount of application of urea is 0.8-1.2 kgs/acre, and according to the growing way situation of eyebright by
Step deepens the water level of water, and water water level controls the 40%-50% for eyebright plant height always；
4, cray seed is put in a suitable place to breed：
Cray seed is put in a suitable place to breed there are two types of pattern, and one is seed shrimp is put in a suitable place to breed, another kind is to put juvenile prawn in a suitable place to breed；
4-1, seed shrimp are put in a suitable place to breed：
August, uniformly plants water plant waterweed and water peanut in wide shrimp ditch, and planted area is the 45%- of shrimp ditch area
60%；
The 9-10 months select attached when being covered with the waterweed and water peanut that area is shrimp ditch area 45%-60% in wide shrimp ditch
Limb is complete, not damaged, disease-free and physically fit seed shrimp is put in a suitable place to breed into wide shrimp ditch, and the weight of seed shrimp is 25-30g/ tails, male and female
Ratio is 3:1, stocking rate is calculated by pond real area, puts 18-22kg in a suitable place to breed per acre；
4-2, juvenile prawn are put in a suitable place to breed：
Using need not be arranged block when putting juvenile prawn pattern in a suitable place to breed, March to mid or late April, at this time eyebright grow to 20cm with
On, the juvenile prawn for selecting appendage complete, not damaged, disease-free and physically fit selects fine day sooner or later or rainy days is uniform by juvenile prawn
It puts in a suitable place to breed into shrimp ditch, the weight of juvenile prawn is 5-9g/ tails, and breeding density is 20-45kg/ mus；
5, cray daily management：
5-1, the daily management for launching seed shrimp：
The management of 5-1-1, feed：
It puts the cray commercial feed for feeding that quality is shrimp species gross mass 1-3% daily afterwards in a suitable place to breed, feeds three times, feed daily
Time is respectively morning 8:00, at 3 points in afternoon, evening 7:00.When cray oogenesis hatches juvenile prawn, it is dynamic that supplement feeds cray
Physical property feed, day feeding volume are the 5~8% of juvenile prawn gross mass, are fed daily 3 times, Feeding time is respectively morning 8:00, afternoon
3:00, evening 7:00, feeding volume accounts for 40%, 30%, the 30% of day feeding volume respectively.When water temperature be less than 10 DEG C, do not feed any
Feed, March in next year, it is special to feed the cray that crude protein mass percentage is 28%-30% when water temperature is higher than 10 DEG C
Artifical compound feed either feeds any one in cake seed, wheat bran and bean dregs or arbitrary several combination, feeds 1 daily
Secondary, day feeding volume is the 2-4% of cray gross mass；
5-1-2, other management
After 11-12 month fingerlings have been caught, carried out disinfection to narrow shrimp ditch and bottom of pond table top with quick lime and tea cake, it is raw
The dosage of lime is 50-70kg/ mus, and the dosage of tea cake is 5-10kg/ mus.Disinfection before with fluid-tight film wide shrimp ditch with it is narrow
Shrimp ditch and bottom of pond table top separate, and remove block and film after lack of toxicity after a week, while injecting new water, make water water level
Higher than bottom of pond table top 20-30cm, cray is allowed freely to be distributed to full pond, the coming year will block by original again before putting summer flower fingerling in a suitable place to breed
Sample installs, and fingerling is not allowed to enter in wide shrimp ditch；
It keeps the pond depth of water 30-50cm December, later with the decline of temperature, gradually deepens water level to 40cm-
60cm, March in next year control water temperature when water temperature is gone up with the method for adjusting the depth of water, and when fine day, the pond depth of water keeps 25-
35cm, rainy days or cold snap, the pond depth of water keep 55-65cm；
Decomposed farm manure is applied in December, full pond, and dose is 150kg/ mus -200kg/ mus.
5-2, the daily management for launching juvenile prawn：
The management of 5-2-1, feed：
The cray Special artificial mixed feed that crude protein mass percentage is 28%-30% is fed after putting in a suitable place to breed, or
Any one in cake seed, wheat bran, soya bean, material bait fish and bean dregs or arbitrary several combination are fed, feeds 1 at dusk daily
Secondary, day feeding volume is the 2-4% of all lobster gross masses, feeds a cray animal fodder, feeding volume 1- weekly
2kg/ mus；
5-2-2, other management：
Juvenile prawn will keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when water quality is excessively thin in shrimp ditch, i.e., water quality transparency is more than
Primary every 10-15 days nitrogen fertilizer applications and phosphate fertilizer when 40cm, amount of application of nitrogen fertilizer is 5-7kg/ mus, and Phosphorus fertilizer usage is 5-7kg/ mus,
When water quality overfertilization in shrimp ditch, i.e., when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35-
45cm；
6, the fishing of cray：
When the pattern for putting seed shrimp in a suitable place to breed being taken to put cray in a suitable place to breed, next year is by the end of March or at the beginning of 4 months, catch shrimp seedling and weight be 25g with
On listed at shrimp, when the pattern for putting juvenile prawn in a suitable place to breed being taken to put cray in a suitable place to breed, after putting 30-40 days in a suitable place to breed, fishing weight is 25g or more
It is listed at shrimp；
7, blueness is flooded
After eyebright seed maturity, summer flower fingerling stocking increases pond water level before 1 week, eyebright is flooded, at this time
The biomass of eyebright is no more than 3000kg/ mus；
8, fingerling is put in a suitable place to breed：
By the end of May to June, select weight uniformly, without hindering disease-free Young grass carp, silver carp summer flower, bighead summer flower, middle section 3
One kind in number crucian summer flower and bream summer flower and dace summer flower is put in a suitable place to breed into pond, and the breeding density of Young grass carp is
The breeding density of 1000-5000 tails/mu, silver carp summer flower is 500-2000 tails/mu, and the breeding density of bighead summer flower is 100-800
The breeding density of tail/mu, No. 3 crucian carp summer flowers of middle section is 500~1500 tails, and the breeding density of bream summer flower is 400-600 tails/mu,
The breeding density of dace summer flower is 5000-8000 tails；
9, the daily management breeded fish：
The management of 9-1, feed：
With planktonic organism to eat when summer flower pond-inputting, after one week, it is 25-35%'s to feed albumen quality percentage composition daily
Mixed feed either feeds any one in rice bran, wheat bran and rapeseed cake or arbitrary several combination, feeds 2 times, throw daily
It is 10 respectively to feed the time:00、18:00, per day feeding volume over time, pond capacity value increase, feeding volume gradually subtracts
Small, the 6-7 months, feeding volume is the 8%-10% of all fish gross masses, and the 8-9 months, feeding volume is the 6%-8% of all fish gross masses,
The 10-11 months, feeding volume are the 3%-5% of all fish gross masses；
9-2, water quality adjustment：
In the high temperature season of the 6-9 months, improvement water quality is carried out 1 time every 20 days full pool spilling head quick lime, the amount of splashing is 10-
, fresh water is supplemented weekly 1 time, each 15-20cm by 20kg/ mus；
Pond configures the aerator that power is 2500-3500 watts, and high temperature season fine day noon starts 1.5-2.5, aerator
Hour, overcast and rainy or low pressure weather is encountered, midnight starts aerator until early morning；
9-3, controlling disease：
In the high temperature season of the 6-9 months, monthly full pool spilling head chlorine dioxide is primary, and one-time continuous is splashed two days, and daily sprinkles
The amount of spilling is 0.2~0.3g/m3Water body, while uniformly mixing bait with allicin and taking orally；
When red skin disease, fin rot and enteritis disease occur for the fish in pond, therapy is：Three blooms and salt are added
Water stirs evenly, and adds and the feed of leather hard is made in the feed fed is fed, feeds daily 3 times, continuously feed 3
It, the feeding volume of three blooms is 0.5-1 kilograms/double centner fish body, and the feeding volume of salt is 0.5 kilogram/double centner fish body；
When sinergasilliasis, anchor head Sao diseases occur for the fish in pond, therapy is：Full pool spilling head copper sulphate and sulfuric acid
The mass ratio of ferrous iron, copper sulphate and ferrous sulfate is 5-4: 2-3, and the dosage of copper sulphate and ferrous sulfate is 0.6-0.8g/m3Water
Body；
9-4, other management：
After summer flower is put in a suitable place to breed, adhere to patrolling the pool sooner or later daily, observe fish ingest and activity condition, grasp variation of water,
And pull processing disease, dead fish out in time；
10, the fishing of fish：
11-12 months the grass carp in pond, silver carp, bighead, No. 3 crucians of middle section and bream are caught.
In step 2, with cement tile, the anti-escape wall of anti-escape plastics film production 40cm high on Chi Geng.
In step 4-1, before putting shrimp species in a suitable place to breed, fills in the shrimp basket submergence water of shrimp species 2-3 times, soaked every 1-2 minutes
Not primary, submergence l-2 minutes, then launch shrimp in wide shrimp ditch every time.
In step 4-2, juvenile prawn is immersed in the saline solution that mass percentage is 3% 3-5 minutes before putting juvenile prawn in a suitable place to breed,
Then three times with water elution, then put in a suitable place to breed to the dense place of shrimp ditch eyebright.
In step 4-2, if juvenile prawn is when being bought back from other places, catches water outlet from juvenile prawn and do not surpass through transport to the time put in a suitable place to breed
4 hours are spent, and juvenile prawn first submerges in pool water within 1-2 minutes before putting in a suitable place to breed, lift and shelve 1-2 minutes, then submerged 1-2 minutes,
Lift and shelve 1-2 minutes, puts in a suitable place to breed again into pond after 2-3 times repeatedly.
In step 5-1-2, it is also necessary to supplement waterweed and water peanut, make the coverage rate of waterweed and water peanut in shrimp ditch
Up to 60%.
In step 5-1-2, it is also necessary to remove carnivority fish, prevent the natural enemy of cray from entering pond, avoid using small
The fish medicine preventing and curing of fish disease of lobster sensitivity is forbidden to use ammonium hydroxide, carbon ammonia is eyebright top dressing.
In step 8, in Young grass carp, silver carp summer flower, bighead summer flower, No. 3 crucian summer flowers of middle section, bream summer flower and dace summer
Flower is sterilized 5 minutes with mass percentage for 3% salt solution before putting in a suitable place to breed.
In step 8, before putting in a suitable place to breed, Young grass carp with grass carp hemorrhage inactivated vaccine impregnate, silver carp summer flower, bighead summer flower,
Crucian summer flower, bream summer flower and dace summer flower are impregnated with Evaluation of Aeromon As Hydrophila Vaccine, are oxygenated and are impregnated using Nylon Bag, vaccine
A concentration of 2-3% impregnates 30-60 minutes.
Compared with prior art, advantages of the present invention and effective it is：
1, in pond, structure is improved, and is excavated shrimp ditch in pond, is provided the overwintering of bigger for cray and inhabit space.
2, increase the pattern for putting seed shrimp in a suitable place to breed, bred by seed shrimp, shrimp seedling is overwintering in pond, the self-produced shrimp seedling in next year pond
Specification is big, quantity is more, not only realizes that commercial sized prawn lists in advance, can also sell extra shrimp seedling, improves yield and economic benefit.
3, winter plants the water plants such as waterweed in shrimp ditch, improves shrimp seedling overwintering survival rate.
4, eyebright and waterweed are planted, good pond ecological environment is built, compared with cray disease in other breeding environments
Evil is few.
5, by retaining the seed of eyebright maturation, allow germinating in pond, spring in next year millet grass seed
Meeting nature is sprouted, and is not required to artificial seeding substantially, is saved labor.
6, fingerling stocking time, type, quantity, specification is described in detail and feeds, manage, disease prevention techniques.
7, the method by soaking vaccine prevention hemorrhagic disease of grass carp and silver carp flathead crucian carp bream bacterial septicemia is illustrated, it can be notable
Improve survival rate of fish fry.
In short, invention increases the cultivation of one batch of cray, cray yield can reach 50-100kg/ mus or more,
Under the premise of not influencing fish income, increase by 1000 yuan of net income or more per acre.And in the case where putting juvenile prawn in a suitable place to breed for existing, increase
Add the pattern for putting seed shrimp in a suitable place to breed, efficiently uses the pond water surface resource in winter and early spring, Propogation and culture juvenile prawn, the children cultivated with pond
The shrimp season of growth is early, and survival rate is high, and the speed of growth is fast, can reach commercial sized prawn specification in advance, can further improve economic benefit.
Figure of description
Fig. 1 is the structural schematic diagram in pond.
1- Chi Geng, 2- shrimp ditch, the narrow shrimp ditch of 3-, 4- wide shrimp ditch, 5- bottom of pond table top, 6- blocks.
Specific implementation mode
The present invention is described in detail With reference to embodiment.
Embodiment 1
A kind of foster method of bottom of pond kind blueness cray fingerling company, includes the following steps：
1, the selection of pond condition：
1-1, water source and water quality：
Selection is had abundant water resources, water quality is excellent, attachment is without the good pond of pollution and water retention property, and pond water quality meets
The requirement of GB11607 water quality standard for fishery and NY5051 pollution-free food aquiculture fresh water water quality.
1-2, soil and environment：
The pond ridge is solid, and pond ridge soil is loam or clay, and for bottom of pond silt depth at 15-25 centimetres, pond environment meets nothing
Public hazards aquatic products home environment requires GB/T18407.4.
1-3, the area in pond and shape：19 mu, rectangle pond is 153 meters long, 83 meters wide.
2, the transformation in pond：
The excavation of 2-1, shrimp ditch：
As shown in Figure 1, excavating rectangular shrimp ditch 2 along 1 inside of the pond ridge in bottom of pond 5, one side shrimp ditch of shrimp ditch 2 is wide shrimp ditch
4, remaining three side shrimp ditch is narrow shrimp ditch 3, and the furrow width of wide shrimp ditch 4 is 25m, and the width of narrow shrimp ditch 3 is 4m, the depth of shrimp ditch 2
Be 1 meter, the area of shrimp ditch 2 accounts for the 23% of pond area, and part of the bottom of pond other than shrimp ditch is bottom of pond table top 5, wide shrimp ditch 4 with
The block 6 that mesh is 2mm is mounted between narrow shrimp ditch 3 and between wide shrimp ditch 4 and bottom of pond table top 5, block top is higher than pond
The peak level on the pool, and at the top of block sew a wide 30cm plastic film, prevention cray cross block.
2-2, into pumping equipment：
Water inlet, discharge outlet are respectively arranged at the opposite both ends in pond, and discharge outlet is located at the lowest point of shrimp ditch, and water inlet is set
It is the filtering mesh bag of 20 mesh to have mesh, prevents harmful organisms from entering with flow, and it is the anti-escape mesh sheet of 20 purposes that discharge outlet, which is equipped with mesh,
Prevent cray from escaping with flowing water.
2-3, escaping-preventing facilities：
Camber is done with the anti-escape wall of anti-escape plastics film production 40cm high, anti-escape strong corner on Chi Geng, unsuitable Cheng Zhi
It is angular, it flees to prevent cray.
3, the preparation in pond：
3-1, bottom of pond disinfection
After pond is done in pond, is carried out disinfection with quick lime, clean wild fishes and pathogenic bacteria, quick lime are not caught to kill
Dosage be 65 kgs/acre,
3-2, bottom of pond kind are green
On March 15th, 2014, eyebright is sowed on the mud of the moistening of bottom of pond table top, application rate is 1.0 kilograms per acre,
Warm water vernalization can be used before sowing, keep bottom of pond table top mud face smooth when sowing.
3-3, seedling management：
Eyebright seedling growth stage is more slow, and bottom of pond mud keeps moistening, in favor of the raising of soil temperature, promotes seedling stage life
It grows and evil is divided to carry seedling using 1 kilogram of urea per acre, and according to the growing way of eyebright if it find that when eyebright undergrowth
Situation gradually deepens the water level of water, and water water level controls the 40%-50% for plant height always, can both allow eyebright young crops in this way
With aquatic length, and cray can be allowed to have tender millet blade of grass, while be submerged old leaf and rotting, so that water quality is grown fat, cultivate small
The food organisms of lobster.
4, cray seed shrimp is put in a suitable place to breed：
On August 10th, 2014, uniformly plants water plant waterweed and water peanut in wide shrimp ditch, and thickness of sowing is 9 plants/m2,
Planted area is 60% or so of shrimp ditch area；
On September 20th, 2014 is covered with waterweed and water peanut that area is wide shrimp ditch area 60% or so in wide shrimp ditch
When, the seed shrimp for selecting appendage complete, not damaged, disease-free and physically fit, weight 25g/ tails of seed shrimp or so, female-male proportion is
3:1, by 3 times in the shrimp basket submergence water for filling seed shrimp, submergence is primary at intervals of two minutes, every time submergence 2 minutes, then shrimp is launched
In wide shrimp ditch.Stocking rate is calculated by pond real area, is put 20kg in a suitable place to breed per acre, is put 380kg in a suitable place to breed in total.
Seed shrimp sex abnormality：Female shrimp first degenerates to abdominal foot, and second pair of abdominal foot is the pinniform appendage of merogenesis, no phallus,
Gonopore is opened on third to pereiopoda base portion, for a pair of dark-coloured small sircle hole；The first, second abdominal foot of male shrimp evolves into white, calcium
The tubulose phallus of matter, gonopore are opened on the 5th pair of pereiopoda base portion, for a pair of yellowish pink, coniform kick.
In order to avoid inbreeding, seed shrimp is introduced from different regions every year.
5, the daily management of seed shrimp is launched：
The management of 5-1, feed：
It puts the cray commercial feed for feeding that quality is shrimp species gross mass 2% daily afterwards in a suitable place to breed, feeds daily three times, when feeding
Between be respectively morning 8:00, at 3 points in afternoon, evening 7:00, it found have juvenile prawn movable on October 15, is replenished in time and feeds minced fillet, twist
The crays animal fodders such as the broken leftover bits and pieces of spiral shell freshwater mussel meat, slaughterhouse, day feeding volume are the 6% of juvenile prawn gross mass, are thrown daily
It feeds 3 times, Feeding time is respectively morning 8:00, afternoon 3:00, evening 7:00, feeding volume be respectively day feeding volume 40%,
30%, 30%.When water temperature be less than 10 DEG C, do not feed feed.In March, 2015 feeds thick protein when water temperature is higher than 10 DEG C
It measures percentage composition and is the cray Special artificial mixed feed of 28%-30%, or feed arbitrary in cake seed, wheat bran and bean dregs
One or any several combination is fed 1 time daily, and day feeding volume is the 3% of cray gross mass.
Feedstuff feeding adheres to that four see four fixed bait throwing in principles, and daily ration, feeding quantity feeds on the basis of 2h is eaten up and should be noted weather, fine
It is thrown when good, high temperature is sultry, continuous rainy days or when water quality overrich throw less, and whens large quantities of lobster shells throws less, after shell to throw more, always more
It, the requirement of GB 13078 and NY5072 should be met by feeding feed.
By the way of being fed using fixed point, food platform surrounding water sterilizes weekly once, and periodically skims in time more than residue
Bait.
5-2, other management
Waterweed and water peanut are just supplemented immediately when the coverage rate of waterweed and water peanut in shrimp ditch declines, and make Yi Le
The coverage rate of algae and water peanut in shrimp ditch is up to 60%.
On November 30th, 2014, after fingerling has been caught, disappeared to narrow shrimp ditch and bottom of pond table top with quick lime and tea cake
The dosage of poison, quick lime is 60kg/ mus, and the dosage of tea cake is 6kg/ mus.With fluid-tight film wide before the disinfection of bottom of pond table top
Shrimp ditch is separated with narrow shrimp ditch and bottom of pond table top, is removed block and film after lack of toxicity after a week, while injecting new water, is made
Water water level is higher than bottom of pond table top 20-30cm, and cray is allowed freely to be distributed to full pond, and the coming year puts summer flower fingerling in a suitable place to breed and incites somebody to action again before again
Block installs as it is, and fingerling is not allowed to enter in wide shrimp ditch.
In December, 2014 keeps pond depth of water 30-50cm, later with the decline of temperature, gradually deepens water level to 40cm-
60cm.Water temperature is controlled with the method for adjusting the depth of water in March, 2015, when fine day, pond water level is kept when water temperature is gone up
30cm allows the sun to shine water so that water temperature is gone up as early as possible；Rainy days or cold snap, pond water level keep 60cm, in order to avoid under water temperature
Drop.
Decomposed farm manure is applied in December, 2014, full pond, and dose is 180kg/ mus.
The predacious fishes such as snakehead, catfish are removed, the cray of the rigid shell of these fish predations is prevented；Prevent mouse, water
The natural enemy of the crays such as snake, various birds, batrachia enters pond；It avoids with cray especially sensitive organophosphor, chrysanthemum lipid etc.
Fish medicine；Ammonium hydroxide and ammonium bicarbonate are forbidden to use as eyebright top dressing.
6, the fishing of cray：
Start to catch the cray that shrimp seedling and weight are 25g or more in by the end of March, 2015 and list, be averaged a 40g/ tails left side at shrimp
The right side, at 110 kilograms of shrimp per mu yield, 20 kilograms of shrimp seedling per mu yield.Caught using cage, catch stay greatly it is small, before summer flower fingerling stocking
Most of cray is caught out, to reduce the influence that cray grows summer flower fingerling.
7, blueness is flooded
On June 5th, 2015, after eyebright seed maturity, summer flower fingerling stocking increases pond water level before 1 week, will be small
Spartina is flooded, and makes it rot to decompose naturally to cultivate food organisms, the biomass of eyebright is no more than 3000kg/ mus at this time.It waits for small
It pours water again after spartina seed maturity and floods blueness, allow germinating in pond, spring in next year millet grass seed meeting nature is sprouted,
Substantially it is not required to artificial seeding.
8, fingerling is put in a suitable place to breed：
On June 27th, 2015, select weight uniformly, without hindering disease-free Young grass carp, silver carp summer flower, bighead summer flower, middle section 3
Number crucian summer flower, dace summer flower are put in a suitable place to breed into pond, and the breeding density of Young grass carp is 1000 tails/mu, and silver carp summer flower is put in a suitable place to breed
Density is 500 tails/mu, and the breeding density of bighead summer flower is 100 tails/mu, and the breeding density of No. 3 crucian carp summer flowers of middle section is 500 tails, dace
The breeding density of fish summer flower is 7000 tails/mu.Following measures are taken before fingerling stocking：1, tea seed cake is applied into pond removes open country
Trash fish (depth of water 60cm), amount of application are 6,000 grams/acre；2, the salt solution that all fingerling mass percentages are 3% is sterilized
5 minutes；3, Young grass carp is impregnated with grass carp hemorrhage inactivated vaccine, silver carp summer flower, bighead summer flower, crucian summer flower, dace summer flower
It is impregnated with Evaluation of Aeromon As Hydrophila Vaccine, is oxygenated and is impregnated using Nylon Bag, vaccine concentration 3% impregnates 40 minutes.
9, the daily management breeded fish：
The management of 9-1, feed：
Mainly with planktonic organism to eat when summer flower pond-inputting, after one week, as the temperature rises, fingerling individual increases, daily
Feed albumen quality percentage composition be 30% mixed feed, either feed in rice bran, wheat bran and rapeseed cake any one or
Arbitrary several combination, feeding the grain size of feed will be adapted with fingerling schistostoma size, the side fed using fixed point with device for feeding fish bait
Formula is fed 2 times daily, and Feeding time is 10 respectively:00、18:00, per day feeding volume over time, pond capacity value
Increase, feeding volume gradually reduces, the 6-7 months, and feeding volume is 8%, the 8-9 months of all fish gross masses, and feeding volume is the total matter of all fishes
8%, the 10-11 months of amount, feeding volume are the 5% of all fish gross masses.Food platform residual bait situation is checked in time, according to residual bait situation tune
Whole feeding volume (feed of being subject to is cast in 2 hours and eaten up).
It carries out disinfection once to food field every half a month, and periodically skims bait more than residue in time.
9-2, water quality adjustment：
In the high temperature season of the 6-9 months, improvement water quality is carried out 1 time every 20 days full pool spilling head quick lime, the amount of splashing is 15kg/
Mu increases dissolved oxygen.Fresh water is supplemented weekly 1 time, each 20cm.
It is 3000 watts of aerator that pond, which configures power, when high temperature season fine day noon starts 2, aerator, encounters wet weather
Or low pressure weather, midnight starts aerator until in early morning, keep dissolved oxygen in fish pond in 4mg/L or more.
9-3, controlling disease：
In the high temperature season of the 6-9 months, monthly full pool spilling head chlorine dioxide is primary, and one-time continuous is splashed two days, and daily sprinkles
The amount of spilling is 0.2g/m3Water body, while uniformly mixing bait with allicin and taking orally.
When red skin disease, fin rot and enteritis disease occur for the fish in pond, therapy is：Three blooms and salt are added
Water stirs evenly, and adds and the feed of leather hard is made in the feed fed is fed, feeds daily 3 times, continuously feed 3
It, the feeding volume of three blooms is 0.5 kilogram/double centner fish body, and the feeding volume of salt is 0.5 kilogram/double centner fish body；
When sinergasilliasis, anchor head Sao diseases occur for the fish in pond, therapy is：Full pool spilling head copper sulphate and sulfuric acid
The mass ratio of ferrous iron, copper sulphate and ferrous sulfate is 5: 2, and the dosage of copper sulphate and ferrous sulfate is 0.7g/m3Water body, Huo Zheyong
The drug therapies such as metrifonate.
9-4, other management：
After summer flower is put in a suitable place to breed, adhere to patrolling the pool sooner or later daily, observe fish ingest and activity condition, grasp variation of water,
And pull processing disease, dead fish out in time.
10, the fishing of fish：
August in 2015 starts to catch dace on the 28th, and to December 5, all fishing finished, and yield is respectively that dace 360 is public
Pound/acre, 30 kgs/acre of crucian, 20 kgs/acre of silver carp, 10 kgs/acre of bighead, 80 kgs/acre of grass carp.
Embodiment 2
A kind of foster method of bottom of pond kind blueness cray fingerling company, includes the following steps：
1, the selection of pond condition：
1-1, water source and water quality：
Selection is had abundant water resources, water quality is excellent, attachment is without the good pond of pollution and water retention property, and pond water quality meets
The requirement of GB11607 water quality standard for fishery and NY5051 pollution-free food aquiculture fresh water water quality.
1-2, soil and environment：
The pond ridge is solid, and pond ridge soil is loam or clay, and for bottom of pond silt depth at 15-25 centimetres, pond environment meets nothing
Public hazards aquatic products home environment requires GB/T18407.4.
1-3, the area in pond and shape：12 mu, rectangle pond is 100 meters long, 80 meters wide.
2, the transformation in pond：
The excavation of 2-1, shrimp ditch：
Rectangular shrimp ditch is excavated on the inside of the ridge of pond in bottom of pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three side shrimp
Ditch is narrow shrimp ditch, and the furrow width of wide shrimp ditch is 16m, and the furrow width of narrow shrimp is 3m, and the depth of shrimp ditch is 0.8 meter, and the area of shrimp ditch 2 accounts for
The 25% of pond area, part of the bottom of pond other than shrimp ditch are bottom of pond table top.
2-2, into pumping equipment：
Water inlet, discharge outlet are respectively arranged at the opposite both ends in pond, and discharge outlet is located at the lowest point of shrimp ditch, and water inlet is set
It is the filtering mesh bag of 20 mesh to have mesh, prevents harmful organisms from entering with flow, and it is the anti-escape mesh sheet of 20 purposes that discharge outlet, which is equipped with mesh,
Prevent cray from escaping with flowing water.
2-3, escaping-preventing facilities：
Camber is done with the anti-escape wall of anti-escape plastics film production 40cm high, anti-escape strong corner on Chi Geng, unsuitable Cheng Zhi
It is angular, it flees to prevent cray.
3, the preparation in pond：
3-1, bottom of pond disinfection
After pond is done in pond, is carried out disinfection with quick lime, clean wild fishes and pathogenic bacteria, quick lime are not caught to kill
Dosage be 75 kgs/acre,
3-2, bottom of pond kind are green
On March 20th, 2014, eyebright is sowed on the mud of the moistening of bottom of pond table top, application rate is 1.5 kilograms per acre,
Warm water vernalization can be used before sowing, keep bottom of pond table top mud face smooth when sowing.
3-3, seedling management：
Eyebright seedling growth stage is more slow, it is desirable that bottom of pond mud keeps moistening, in favor of the raising of soil temperature, promotes seedling
Phase grows and divides evil, if it find that when eyebright undergrowth, applies urea and carries seedling, and the amount of application of urea is 0.8 kg/acre,
And gradually deepen the water level of water according to the growing way situation of eyebright, water water level controls the 40%-50% for plant height always, this
Sample not only can allow young crops with aquatic length, but also cray can be allowed to have tender millet blade of grass, while being submerged old leaf and rotting, and make water quality
It grows fat, cultivates the food organisms of cray.
4, larva of crayfish is put in a suitable place to breed：
On March 7th, 2014, March 15, April 3, at this time eyebright grow to 20cm or more, respectively select appendage it is complete,
Not damaged, disease-free and physically fit seed shrimp is put in a suitable place to breed into shrimp ditch, and the weight of juvenile prawn is 6.25g/ tails or so, dispensing three times
Density is respectively 20kg/ mus, 12kg/ mus, 12kg/ mus.Before putting in a suitable place to breed, juvenile prawn is immersed into the food that mass percentage is 3%
3-5 minutes in brine, then three times with water elution, then gently puts in a suitable place to breed to the more place of shrimp ditch phytal zone eyebright, allow it
From being advanced into water.
Launching juvenile prawn should not excessively concentrate, and should uniformly be launched in the shrimp ditch internal point of division, avoid local water body severe depletion of oxygen, small dragon
Shrimp death by suffocation.
Release time should select to launch in morning and evening or rainy days, avoid launching in sunlight strong and high temperature.
If juvenile prawn is when being bought back from other places, to prevent dewatering time is long from influencing, at causing motility rate low, to catch from juvenile prawn
Water outlet is no more than 4 hours through transport to the time put in a suitable place to breed, and juvenile prawn first submerges in pool water within 1-2 minutes before putting in a suitable place to breed, lifts
It shelves 1-2 minutes, then impregnates 1-2 minutes, lift and shelve 1-2 minutes, put in a suitable place to breed again into pond after 2-3 times repeatedly, it in this way can be with
It is put in a suitable place to breed again after allowing shrimp species body surface and the gill cavity to suction moisture content, the survival rate of shrimp species can be effectively improved.
In order to avoid inbreeding, germplasm is degenerated, and introduces juvenile prawn from different regions every year.
5, the daily management of juvenile prawn：
The management of 5-1, feed：
The eyebright of bottom of pond plantation had not only been that cray provides a large amount of agreeable to the taste bait, but for its provide it is good inhabit with
Foraging site feeds a small amount of feed so only requiring supplementation with, and cray can grow rapidly well.Fed after putting in a suitable place to breed soya bean or
Person feeds the cray Special artificial mixed feed that crude protein mass percentage is 28%-30%, feeds at dusk daily 1 time,
Day feeding volume be all lobster gross masses 3%, feed weekly a minced fillet, the spiral shell freshwater mussel meat of rubbing, slaughterhouse leftover bits and pieces etc.
Cray animal fodder, feeding volume are 1kg/ mus.Feedstuff feeding will adhere to that four see that four fixed principles, day feeding volume are all dragons
2%-4% bait of shrimp quality or so, daily ration, feeding quantity feed on the basis of 2h is eaten up and should be noted weather, are thrown when fine more, and high temperature is bored
It is thrown less when hot, continuous rainy days or water quality overrich, whens large quantities of lobster shells throws less, after shell to throw more, in short, feeding feed should accord with
Close the requirement of GB 13078 and NY5072.
By the way of being fed using fixed point, food platform surrounding water sterilizes weekly once, and periodically skims in time more than residue
Bait, in order to avoid rot, polluted-water.
The predacious fishes such as snakehead, catfish are removed, the cray of the rigid shell of these fish predations is prevented；Prevent mouse, water
The natural enemy of the crays such as snake, various birds, batrachia enters pond；It avoids with cray especially sensitive organophosphor, chrysanthemum lipid etc.
Fish medicine；Ammonium hydroxide and ammonium bicarbonate are forbidden to use as young crops top dressing.
5-2, other management：
Juvenile prawn will keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when water quality is excessively thin in shrimp ditch, i.e., water quality transparency is more than
Primary every 15 days nitrogen fertilizer applications and phosphate fertilizer when 40cm, amount of application of nitrogen fertilizer is 6kg/ mus, and Phosphorus fertilizer usage is 5kg/ mus, works as shrimp ditch
When interior water quality overfertilization, i.e., when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35cm；
6, the fishing of cray：
Start on May 1st, 2014 to catch cray, cray weight is 40g/ tail -75g/ tails, to catching in total by the end of June
Cray 1080kg, 90 kilograms of per mu yield.Caught using cage, catch stay greatly it is small, will be most of small before summer flower fingerling stocking
Lobster catches out, to reduce the influence that cray grows summer flower fingerling.
7, blueness is flooded
In by the end of May, 2014, and after eyebright seed maturity, summer flower fingerling stocking increases pond water level before 1 week, by millet
Grass floods, and makes it rot to decompose naturally to cultivate food organisms, the biomass of eyebright is no more than 3000kg/ mus at this time.Wait for millet
It pours water again after grass seed maturation and floods blueness, allow germinating in pond, spring in next year millet grass seed meeting nature is sprouted, base
Originally it is not required to artificial seeding.
8, fingerling is put in a suitable place to breed：
In by the end of May, 2014, select weight uniformly, without hindering disease-free Young grass carp, silver carp summer flower, bighead summer flower, middle section 3
Crucian summer flower, bream summer flower are put in a suitable place to breed into pond, and the breeding density of Young grass carp is 4500 tails/mu, and putting in a suitable place to breed for silver carp summer flower is close
Degree is 1200 tails/mu, and the breeding density of bighead summer flower is 200 tails/mu, and the breeding density of No. 3 crucian carp summer flowers of middle section is 1100 tails, bream
The breeding density of fish summer flower is 500 tails/mu.Following measures are taken before fingerling stocking：1, tea seed cake is applied into pond removes open country
Trash fish (depth of water 60cm), amount of application are 6,000 grams/acre；2, the salt solution that all fingerling mass percentages are 3% is sterilized
5 minutes；3, Young grass carp is impregnated with grass carp hemorrhage inactivated vaccine, silver carp summer flower, bighead summer flower, crucian summer flower, bream summer flower
It is impregnated with Evaluation of Aeromon As Hydrophila Vaccine, is oxygenated and is impregnated using Nylon Bag, vaccine concentration 3% impregnates 30-60 minutes.
9, the daily management breeded fish：
The management of 9-1, feed：
Mainly with planktonic organism to eat when summer flower pond-inputting, as the temperature rises, fingerling individual increases, and feeds protein daily
Measure the mixed feed that percentage composition is 30%, either feed in rice bran, wheat bran and rapeseed cake any one or it is arbitrary several
Combination, feeding the grain size of feed will be adapted with fingerling schistostoma size, with device for feeding fish bait in such a way that fixed point is fed, feed daily
2 times, Feeding time is 10 respectively:00、18:00.Per day feeding volume over time, pond capacity value increase, feeding volume
It gradually reduces, the 6-7 months, feeding volume is 10%, the 8-9 months of all fish gross masses, and feeding volume is 6%, 10- of all fish gross masses
November, feeding volume are the 3% of all fish gross masses.In time check food platform residual bait situation, according to residual bait situation adjust feeding volume (with
Feed is cast eaten up in 2 hours subject to).
It carries out disinfection once to food field every half a month, and periodically skims bait more than residue in time.
9-2, water quality adjustment：
In the high temperature season of the 6-9 months, improvement water quality is carried out 1 time every 20 days full pool spilling head quick lime, the amount of splashing is 15kg/
Mu increases dissolved oxygen.Fresh water is supplemented weekly 1 time, each 15cm.1 organic fertilizer is applied every half a month.
Pond configures the aerator that power is 2500 watts, and high temperature season fine day noon starts 2.5 hours of aerator, encounters
Overcast and rainy or low pressure weather, midnight starts aerator until in early morning, keep dissolved oxygen in fish pond in 4mg/L or more.
9-3, controlling disease：
In the high temperature season of the 6-9 months, monthly full pool spilling head chlorine dioxide is primary, and one-time continuous is splashed two days, and daily sprinkles
The amount of spilling is 0.3g/m3Water body, while uniformly mixing bait with allicin and taking orally；A quick lime, amount of application 20kg/ were applied every 20 days
Mu.
When red skin disease, fin rot and enteritis disease occur for the fish in pond, therapy is：Three blooms and salt are added
Water stirs evenly, and adds and the feed of leather hard is made in the feed fed is fed, feeds daily 3 times, continuously feed 3
It, the feeding volume of three blooms is 1 kilogram/double centner fish body, and the feeding volume of salt is 0.5 kilogram/double centner fish body；
When sinergasilliasis, anchor head Sao diseases occur for the fish in pond, therapy is：Full pool spilling head copper sulphate and sulfuric acid
The mass ratio of ferrous iron, copper sulphate and ferrous sulfate is 1: 1, and the dosage of copper sulphate and ferrous sulfate is 0.6g/m3Water body.
9-4, other management：
After summer flower is put in a suitable place to breed, adhere to patrolling the pool sooner or later daily, observe fish ingest and activity condition, grasp variation of water,
And pull processing disease, dead fish out in time；
10, the fishing of fish：
In November, 2014, all fishing finished, and total output 5829kg, average yield per mu 485.8kg, yield is respectively bream
5.8 kgs/acre of fish, 30 kgs/acre of crucian, 174 kgs/acre of silver carp, 29.1 kgs/acre of bighead, 230 kgs/acre of grass carp.
Claims (9)
1. a kind of bottom of pond kind blueness cray fingerling even supports method, it is characterised in that include the following steps：
The selection of 1-1, pond condition：
1-1-1, water source and water quality：
Selection is had abundant water resources, water quality is excellent, nearby without the rectangle pond polluted and water retention property is good, and pond water quality meets GB
The requirement of 11607 water quality standard for fishery and NY5051 pollution-free food aquiculture fresh water water quality；
1-1-2, soil and environment：
The pond ridge is solid, and pond ridge soil is loam or clay, and at 15-25 centimetres, pond environment meets nuisanceless bottom of pond silt depth
Aquatic products home environment requires GB/T18407.4；
The transformation of 1-2, pond：
The excavation of 1-2-1, shrimp ditch：
Rectangular shrimp ditch is excavated on the inside of the ridge of pond in bottom of pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three side shrimp ditch is equal
For narrow shrimp ditch, the furrow width of wide shrimp ditch is the 1/8-1/10 of pond length, and the furrow width of narrow shrimp ditch is the 1/30-1/20 of pond length,
The depth of shrimp ditch be 0.8-1.2 meters, the area of shrimp ditch accounts for the 20%~25% of pond area, between wide shrimp ditch and narrow shrimp ditch and
Block is mounted between wide shrimp ditch and bottom of pond table top, block top is higher than the peak level 30-40cm in pond；
1-2-2, into pumping equipment：
Water inlet, discharge outlet are respectively arranged at the opposite both ends in pond, and discharge outlet is located at the lowest point of shrimp ditch, and water inlet was equipped with
Filter-screen bag, discharge outlet are equipped with anti-escape mesh sheet；
1-3, pond preparation：
1-3-1, bottom of pond disinfection：
It after pond is done in pond, is carried out disinfection with quick lime, the dosage of quick lime is 50-75 kgs/acre；
1-3-2, bottom of pond kind are green
Mid-March to the Ching Ming Festival during, eyebright is sowed on the mud of the moistening of bottom of pond table top, per acre application rate be 1.0-
1.5 kilogram；
1-3-3, seedling management：
Eyebright seedling growth stage is more slow, it is desirable that the mud of bottom of pond table top keeps moistening；If it find that eyebright growth is not
When good, urea should be applied and carry seedling, the amount of application of urea is 0.8-1.2 kgs/acre, and is gradually added according to the growing way situation of eyebright
The water level of deep water, water water level control the 40%-50% for eyebright plant height always；
1-4, cray seed are put in a suitable place to breed：
Cray seed is put in a suitable place to breed there are two types of pattern, and one is seed shrimp is put in a suitable place to breed, another kind is to put juvenile prawn in a suitable place to breed；
1-4-1, seed shrimp are put in a suitable place to breed：
August, uniformly plants water plant waterweed and water peanut in wide shrimp ditch, and planted area is the 45%-60% of wide shrimp ditch area；
The 9-10 months select appendage when being covered with the waterweed and water peanut that area is wide shrimp ditch area 45%-60% in wide shrimp ditch
Complete, not damaged, disease-free and physically fit seed shrimp is put in a suitable place to breed into wide shrimp ditch, and the weight of seed shrimp is 25-30g/ tails, sex ration
Example is 3:1, stocking rate is calculated by pond real area, puts 18-22kg in a suitable place to breed per acre；
1-4-2, juvenile prawn are put in a suitable place to breed：
Using need not be arranged block when putting juvenile prawn pattern in a suitable place to breed, March to mid or late April, at this time eyebright grow to 20cm or more, select
Select the juvenile prawn that appendage is complete, not damaged, disease-free and physically fit, select fine day sooner or later or rainy days juvenile prawn is uniformly put in a suitable place to breed to
In shrimp ditch, the weight of juvenile prawn is 5-9g/ tails, and breeding density is 20-45kg/ mus；
1-5, cray daily management：
1-5-1, the daily management for launching seed shrimp：
The management of 1-5-1-1, feed：
It puts the cray commercial feed for feeding that quality is seed shrimp gross mass 1-3% daily afterwards in a suitable place to breed, feeds daily three times, Feeding time
Respectively morning 8:00, at 3 points in afternoon, evening 7:00, when finding cray oogenesis and hatching juvenile prawn, supplement feeds cray
Animal fodder, day feeding volume are the 5~8% of juvenile prawn gross mass, are fed daily 3 times, Feeding time is respectively morning 8:00, under
Noon 3:00, evening 7:00, feeding volume accounts for 40%, 30%, the 30% of day feeding volume respectively, when water temperature be less than 10 DEG C, do not feed feeding
Material, March in next year feed the special people of cray that crude protein mass percentage is 28%-30% when water temperature is higher than 10 DEG C
Work mixed feed either feeds the arbitrary combination of any one or the cake seed, wheat bran and bean dregs in cake seed, wheat bran and bean dregs,
It feeds 1 time daily, day feeding volume is the 2-4% of cray gross mass；
1-5-1-2, other management
After 11-12 month fingerlings have been caught, carried out disinfection to narrow shrimp ditch and bottom of pond table top with quick lime and tea cake, quick lime
Dosage be 50-70kg/ mu, the dosage of tea cake is 5-10kg/ mu, sterilize it is preceding with fluid-tight film wide shrimp ditch and narrow shrimp ditch
And bottom of pond table top separates, and removes block and film after lack of toxicity after a week, while injecting new water, water water level is made to be higher than
Bottom of pond table top 20-30cm allows cray to be freely distributed to full pond, and the coming year again pacifies block before putting summer flower fingerling in a suitable place to breed as it is
It installs, fingerling is not allowed to enter in wide shrimp ditch；
Keep the pond depth of water 30-50cm December, later with the decline of temperature, gradually intensification water level is next to 40cm-60cm
Water temperature is controlled with the method for adjusting the depth of water in year March, when fine day, the pond depth of water keeps 25-35cm, overcast and rainy when water temperature is gone up
It or cold snap, the pond depth of water keep 55-65cm；
Decomposed farm manure is applied in December, full pond, and dose is 150kg/ mus -200kg/ mus；
1-5-2, the daily management for launching juvenile prawn：
The management of 1-5-2-1, feed：
Crude protein mass percentage is fed after putting in a suitable place to breed and is the cray Special artificial mixed feed of 28%-30%, or is fed
Any one or cake seed, wheat bran, soya bean, bait fish and bean dregs in cake seed, wheat bran, soya bean, bait fish and bean dregs it is arbitrary
Combination, feeds 1 time at dusk daily, and day feeding volume is the 2-4% of all lobster gross masses, feeds a cray animality weekly
Feed, feeding volume are 1-2kg/ mus；
1-5-2-2, other management：
Juvenile prawn will keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when water quality is excessively thin in shrimp ditch, i.e., water quality transparency is more than 40cm
When, primary every 10-15 days nitrogen fertilizer applications and phosphate fertilizer, amount of application of nitrogen fertilizer is 5-7kg/ mus, and Phosphorus fertilizer usage is 5-7kg/ mus, works as shrimp
In ditch when water quality overfertilization, i.e., when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35-45cm；
The fishing of 1-6, cray：
When the pattern for putting seed shrimp in a suitable place to breed being taken to put cray in a suitable place to breed, next year, it was 25g's or more to catch shrimp seedling and weight by the end of March or at the beginning of 4 months
It is listed at shrimp, when the pattern for putting juvenile prawn in a suitable place to breed being taken to put cray in a suitable place to breed, after putting 30-40 days in a suitable place to breed, fishing weight is 25g or more into shrimp
Listing；
1-7, blueness is flooded
After eyebright seed maturity, summer flower fingerling stocking increases pond water level before 1 week, eyebright is flooded, at this time millet
The biomass of grass is no more than 3000kg/ mus；
1-8, fingerling are put in a suitable place to breed：
By the end of May to June, select weight uniformly, without hindering No. 3 disease-free Young grass carp, silver carp summer flower, bighead summer flower, middle section crucian carps
One kind in fish summer flower and bream summer flower and dace summer flower is put in a suitable place to breed into pond, and the breeding density of Young grass carp is 1000-
The breeding density of 5000 tails/mu, silver carp summer flower is 500-2000 tails/mu, and the breeding density of bighead summer flower is 100-800 tails/mu,
The breeding density of No. 3 crucian summer flowers of middle section is 500~1500 tails, and the breeding density of bream summer flower is 400-600 tails/mu, dace
The breeding density of summer flower is 5000-8000 tails；
1-9, the daily management breeded fish：
The management of 1-9-1, feed：
With planktonic organism to eat when summer flower pond-inputting, after one week, the mixed feed that protein content is 25-35% is fed daily,
The arbitrary combination for either feeding any one or the rice bran, wheat bran and rapeseed cake in rice bran, wheat bran and rapeseed cake, feeds 2 times daily,
Feeding time is 10 respectively:00、18:00, per day feeding volume over time, pond capacity value increase, feeding volume is gradually
Reduce, the 6-7 months, feeding volume is the 8%-10% of all fish gross masses, and the 8-9 months, feeding volume is the 6%- of all fish gross masses
8%, the 10-11 month, feeding volume are the 3%-5% of all fish gross masses；
1-9-2, water quality adjustment：
In the high temperature season of the 6-9 months, improvement water quality is carried out 1 time every 20 days full pool spilling head quick lime, the amount of splashing is 10-20kg/
Mu, supplements weekly fresh water 1 time, each 15-20cm；
Pond configures the aerator that power is 2500-3500 watts, and it is 1.5-2.5 small that high temperature season fine day noon starts aerator
When, overcast and rainy or low pressure weather is encountered, midnight starts aerator until early morning；
1-9-3, controlling disease：
In the high temperature season of the 6-9 months, monthly full pool spilling head chlorine dioxide is primary, and one-time continuous is splashed two days, the daily amount of splashing
For 0.2~0.3g/m3Water body, while uniformly mixing bait with allicin and taking orally；
When red skin disease, fin rot and enteritis disease occur for the fish in pond, therapy is：Water is added to stir three blooms and salt
It mixes uniformly, adds and the feed of leather hard is made in the feed fed is fed, feed daily 3 times, continuously feed 3 days, three
The feeding volume of bloom is 0.5-1 kilograms/double centner fish body, and the feeding volume of salt is 0.5 kilogram/double centner fish body；
When sinergasilliasis, anchor head Sao diseases occur for the fish in pond, therapy is：Full pool spilling head copper sulphate and sulfuric acid are sub-
The mass ratio of iron, copper sulphate and ferrous sulfate is 5-4: 2-3, and the dosage of copper sulphate and ferrous sulfate is 0.6-0.8g/m3Water body；
1-9-4, other management：
After summer flower is put in a suitable place to breed, adhere to patrolling the pool sooner or later daily, observe fish ingest and activity condition, grasp variation of water, and and
When pull out processing disease, dead fish；
The fishing of 1-10, fish：
11-12 months the grass carp in pond, silver carp, bighead, No. 3 crucians of middle section and bream are caught.
2. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-2, in pond
With cement tile, the anti-escape wall of anti-escape plastics film production 40cm high on the ridge.
3. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-4-1,
Before putting seed shrimp in a suitable place to breed, fill in the shrimp basket submergence water of seed shrimp 2-3 times, it is primary every submergence in 1-2 minutes, l-2 points are submerged every time
Then clock is launched shrimp in wide shrimp ditch.
4. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-4-2,
Juvenile prawn is immersed in the saline solution that mass percentage is 3% 3-5 minutes before putting juvenile prawn in a suitable place to breed, is then eluted three times with water,
It is put in a suitable place to breed again to the dense place of shrimp ditch eyebright.
5. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-4-2, such as
Fruit juvenile prawn is to catch water outlet when being bought back from other places from juvenile prawn and be no more than 4 hours through transport to the time put in a suitable place to breed, and juvenile prawn is being put in a suitable place to breed
It first submerges in pool water within 1-2 minutes before, lifts and shelve 1-2 minutes, then submerge 1-2 minutes, lift and shelve 1-2 minutes, repeatedly
It is put in a suitable place to breed again into pond after 2-3 times.
6. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-5-1-2,
Supplement waterweed and water peanut are also needed to, makes the coverage rate of waterweed and water peanut in shrimp ditch up to 60%.
7. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-5-1-2,
It also needs to remove carnivority fish, prevents the natural enemy of cray from entering pond, avoid the fish medicine prevention fish using cray sensitivity
Disease is forbidden to use ammonium hydroxide, carbon ammonia is eyebright top dressing.
8. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-8, in grass
Fish summer flower, silver carp summer flower, bighead summer flower, No. 3 crucian summer flowers of middle section, bream summer flower and dace summer flower use quality percentage before putting in a suitable place to breed
The salt solution that content is 3% sterilizes 5 minutes.
9. bottom of pond kind blueness cray fingerling according to claim 1 even supports method, it is characterised in that：In step 1-8, putting
Before supporting, Young grass carp is impregnated with grass carp hemorrhage inactivated vaccine, silver carp summer flower, bighead summer flower, middle section No. 3 crucian summer flowers, breams
Summer flower and dace summer flower are impregnated with Evaluation of Aeromon As Hydrophila Vaccine, are oxygenated and are impregnated using Nylon Bag, impregnated 30-60 minutes.
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| CN110506689B (en) * | 2019-08-23 | 2021-08-17 | 南京市水产科学研究所 | A bottom of pool ring ditch structure for shrimp seedling is cultivated |
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