CN105746411A - Pond bottom eyebright planting crawfish and fingerling continuous culture method - Google Patents
Pond bottom eyebright planting crawfish and fingerling continuous culture method Download PDFInfo
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- CN105746411A CN105746411A CN201610278163.5A CN201610278163A CN105746411A CN 105746411 A CN105746411 A CN 105746411A CN 201610278163 A CN201610278163 A CN 201610278163A CN 105746411 A CN105746411 A CN 105746411A
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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
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Fodder In General (AREA)
Abstract
The invention discloses a pond bottom eyebright planting crawfish and fingerling continuous culture method.The pond bottom eyebright planting crawfish and fingerling continuous culture method is characterized by comprising the following steps that 1, pond conditions are selected; 2, a pond is transformed; 3, the pond is prepared; 4, crawfish fry are stocked; 5, daily management of crawfishes is carried out; 6, the crawfishes are caught; 7, eyebright is immersed; 8, fingerling is stocked; 9, daily management of fish culture is carried out; 10, the fishes are caught.According to the method, the space-time resources of the pond are fully utilized, the eyebright is placed in the pond where only fingerling is cultured, feed crops are synthesized through solar energy to be eaten by the crawfishes and the fishes, one season of crawfishes is added on the premise of not influencing the yield of the fingerling, and the aim of increasing income and benefits is achieved.
Description
Technical field
The present invention relates to technical field of aquaculture, be specifically related to kind green grass or young crops Procambarus clarkii fingerling at the bottom of a kind of pond and connect breeding method.
Background technology
Kind green grass or young crops at the bottom of pond is breeded fish and has saving production cost, land resource, improves the advantages such as pond utilization rate, is the effective way improving large Fish-water Fish Farming benefit at present.Kind green grass or young crops at the bottom of existing pond is cultivated the method for fingerling and is winter or spring drains Chi Shui, green crop is being sowed at the bottom of pond, grow to after certain altitude until crop, put fingerling in a suitable place to breed, progressively deepen pond water logging and do not have a greenfeed, forage crop or directly ingested by herbivorous fishes, or rotten rich water cultivates plankton for fish, later stage supplement feed or fertilizer, cultivate fingerling.The method fingerling stocking for the previous period (before being usually May) pond be in " leaving unused " state.If making full use of the fingerling pond idle season before summer flower fingerling stocking, Procambarus clarkii supported by set, neither affect the yield of fingerling cultivation, Procambarus clarkii can also be utilized to ingest greenfeed and natural bait, improve efficiency of feed utilization and pond utilization rate, increasing fanning economics, this is one and connects breeding method well, but there is presently no this even breeding method of appearance.
Summary of the invention
For solving above-mentioned prior art Problems existing, the invention provides kind green grass or young crops Procambarus clarkii fingerling at the bottom of a kind of pond and connect breeding method, the method makes full use of pond time-space distribution, in the original pond only cultivating fingerling, plant Herba Euphrasiae Regelii, utilize solar energy synthetic diet crop, for Procambarus clarkii, fish, under not affecting fingerling yield premise, increase cultivation one season Procambarus clarkii, reach to increase income the purpose of potentiation.
Realizing the technical scheme that above-mentioned purpose of the present invention adopts is:
Kind green grass or young crops Procambarus clarkii fingerling at the bottom of a kind of pond connects breeding method, it is characterised in that comprise the steps:
1, the selection of pond condition:
1-1, water source and water quality:
Selection is had abundant water resources, water quality is excellent, the neighbouring rectangle pond not having to pollute and water retention property is good, 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 ridge, pond is solid, and the ridge, pond soil is loam or clay, and silt depth at the bottom of pond is at 15-25 centimetre, and pond environment meets nuisanceless aquatic products home environment requirement GB/T18407.4；
2, the transformation in pond:
2-1, shrimp ditch excavation:
Rectangular shrimp ditch is excavated inside the Di Yanchi ridge, pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three limit shrimp ditch is narrow shrimp ditch, the 1/8-1/10 that furrow width is pond length of wide shrimp ditch, the 1/30-1/20 that furrow width is pond length of narrow shrimp ditch, the degree of depth of shrimp ditch is 0.8-1.2 rice, and the area of shrimp ditch accounts for the 20%～25% of pond area, being mounted on block between wide shrimp ditch and narrow shrimp ditch and between wide shrimp ditch and base frame face, pond, block top is higher than the peak level 30-40cm in pond；
2-2, enter pumping equipment:
Water inlet, discharge outlet are respectively arranged at the two ends that pond is relative, and discharge outlet is positioned at the lowest point of shrimp ditch, and water inlet is provided with filtering mesh bag, and discharge outlet is provided with prevents escaping mesh sheet；
3, the preparation in pond:
Sterilize at the bottom of 3-1, pond
Behind dry pond, pond, carrying out disinfection with quick lime, the consumption of quick lime is 50-75 kg/acre；
Kind at the bottom of 3-2, pond is blue or green
During mid-March to the Ching Ming Festival, sowing Herba Euphrasiae Regelii on the moistening mud in base frame face, pond, every mu of application rate is 1.0-1.5 kilogram；
3-3, seedling management:
Herba Euphrasiae Regelii seedling growth stage is comparatively slow, it is desirable to the mud in base frame face, pond keeps moistening；If it find that during Herba Euphrasiae Regelii undergrowth, should apply carbamide and carry Seedling, the amount of application of carbamide is 0.8-1.2 kg/acre, and progressively deepens the water level of Chi Shui according to the growing way situation of Herba Euphrasiae Regelii, and pond water water level controls the 40%-50% for Herba Euphrasiae Regelii plant height all the time；
4, the putting in a suitable place to breed of Procambarus clarkii seed:
Procambarus clarkii seed put both of which in a suitable place to breed, one is to put seed shrimp in a suitable place to breed, and another kind is to put juvenile prawn in a suitable place to breed；
4-1, the putting in a suitable place to breed of seed shrimp:
In August, uniformly planting pasture and water waterweed and water peanut in wide shrimp ditch, planted area is the 45%-60% of shrimp ditch area；
The 9-10 month, when being coated with, in wide shrimp ditch, the waterweed and water peanut that area is shrimp ditch area 45%-60%, select that appendage is complete, not damaged, disease-free and athletic seed shrimp are put in a suitable place to breed to wide shrimp ditch, the body weight of seed shrimp is 25-30g/ tail, female-male proportion is 3:1, stocking rate is calculated by pond real area, puts 18-22kg in a suitable place to breed for every mu；
4-2, the putting in a suitable place to breed of juvenile prawn:
Block need not be set when juvenile prawn pattern is put in employing in a suitable place to breed, March to mid or late April, now Herba Euphrasiae Regelii grows to more than 20cm, select that appendage is complete, not damaged, disease-free and athletic juvenile prawn, select fine day sooner or later or overcast and rainy juvenile prawn uniformly put in a suitable place to breed to shrimp ditch, the body weight of juvenile prawn is 5-9g/ tail, and breeding density is 20-45kg/ mu；
5, Procambarus clarkii daily management:
5-1, throw in seed shrimp daily management:
5-1-1, feedstuff management:
Put the Procambarus clarkii commercial feed that quality is shrimp species gross mass 1-3% of throwing something and feeding rear every day in a suitable place to breed, throw something and feed every day three times, Feeding time respectively 8:00 in morning, afternoon 3 point, evening 7:00.When Procambarus clarkii oogenesis hatches juvenile prawn, supplement and throw something and feed Procambarus clarkii animal fodder, day feeding volume be the 5～8% of juvenile prawn gross mass, throw something and feed every day 3 times, Feeding time respectively 8:00 in morning, afternoon 3:00, evening 7:00, feeding volume accounts for the 40% of day feeding volume, 30%, 30% respectively.When water temperature is lower than 10 DEG C, do not throw something and feed any feedstuff, March in next year, when water temperature is higher than 10 DEG C, throw something and feed the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30%, or any one or the arbitrarily several combination in cake seed, wheat bran and bean dregs of throwing something and feeding, throws something and feeds 1 every day, day feeding volume be the 2-4% of Procambarus clarkii gross mass；
5-1-2, other management
After treating that 11-12 month fingerling has been fished for, with quick lime and tea cake, narrow shrimp ditch and base frame face, pond being carried out disinfection, the consumption of quick lime is 50-70kg/ mu, and the consumption of tea cake is 5-10kg/ mu.With fluid-tight thin film, wide shrimp ditch is separated with narrow shrimp ditch and base frame face, pond before sterilization, after lack of toxicity, block and thin film is removed after one week, it is injected simultaneously into new water, make pond water water level higher than base frame face, pond 20-30cm, Procambarus clarkii is allowed freely to be distributed to full pond, block was in statu quo installed by the coming year before putting summer flower fingerling in a suitable place to breed again, did not allow fingerling enter in wide shrimp ditch；
December, keep pond depth of water 30-50cm, afterwards along with the decline of temperature, add deep water level gradually to 40cm-60cm, March in next year, when water temperature is gone up, control water temperature by the way regulating the depth of water, during fine day, the pond depth of water keeps 25-35cm, overcast and rainy or cold snap, and the pond depth of water keeps 55-65cm；
December, the farm manure become thoroughly decomposed is executed in full pond, and dose is 150kg/ mu-200kg/ mu.
5-2, throw in juvenile prawn daily management:
5-2-1, feedstuff management:
Throw something and feed after putting in a suitable place to breed the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30%, or any one or the arbitrarily several combination in cake seed of throwing something and feeding, wheat bran, Semen Glycines, material bait fish and bean dregs, every day throws something and feeds 1 time at dusk, day feeding volume is the 2-4% of all Lobster gross masses, throwing something and feeding weekly a Procambarus clarkii animal fodder, feeding volume is 1-2kg/ mu；
5-2-2, other management:
Juvenile prawn to keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when in shrimp ditch, water quality is excessively thin, namely when water quality transparency is more than 40cm, every 10-15 days nitrogen fertilizer applications and phosphate fertilizer once, amount of application of nitrogen fertilizer is 5-7kg/ mu, and Phosphorus fertilizer usage is 5-7kg/ mu, when water quality overfertilization in shrimp ditch, namely, when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35-45cm；
6, the fishing for of Procambarus clarkii:
When taking the pattern putting seed shrimp in a suitable place to breed to put Procambarus clarkii in a suitable place to breed, at the beginning of by the end of March or 4 months next year, fish for shrimp Seedling and list with the shrimp that becomes that body weight is more than 25g, when taking the pattern putting juvenile prawn in a suitable place to breed to put Procambarus clarkii in a suitable place to breed, after putting 30-40 days in a suitable place to breed, fish for the one-tenth shrimp listing that body weight is more than 25g；
7, green grass or young crops is flooded
After Herba Euphrasiae Regelii seed maturity, summer flower fingerling stocking increased pond water level before 1 week, flooded by Herba Euphrasiae Regelii, and now the Biomass of Herba Euphrasiae Regelii is less than 3000kg/ mu；
8, the putting in a suitable place to breed of fingerling:
By the end of May to June, selective body weight average is even, put in a suitable place to breed to pond without the one in the anosis Young grass carp of wound, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section and bream summer flower and Cirrhina molitorella summer flower, the breeding density of Young grass carp is 1000-5000 tail/mu, the breeding density of Hypophthalmichthys molitrix summer flower is 500-2000 tail/mu, the breeding density of Aristichthys nobilis summer flower is 100-800 tail/mu, the breeding density of No. 3 crucian carp summer flowers of middle section is 500～1500 tails, the breeding density of bream summer flower is 400-600 tail/mu, and the breeding density of Cirrhina molitorella summer flower is 5000-8000 tail；
9, the daily management breeded fish:
9-1, feedstuff management:
With plankton for food during the pool under summer flower, after one week, albumen quality of throwing something and feeding every day percentage composition is the mixed feed of 25-35%, or Testa oryzae of throwing something and feeding, any one or arbitrarily several combination in wheat bran and rape cake, throw something and feed every day 2 times, Feeding time is 10:00 respectively, 18:00, every day feeding volume As time goes on, pond capacity value increases, feeding volume progressively reduces, the 6-7 month, feeding volume is the 8%-10% of all fish gross masses, the 8-9 month, feeding volume is the 6%-8% of all fish gross masses, the 10-11 month, feeding volume is the 3%-5% of all fish gross masses；
9-2, water quality adjustment:
At the high temperature season of the 6-9 month, carrying out for 1 time improving water quality every 20 days full pool spilling head quick lime, the amount of splashing is 10-20kg/ mu, supplements fresh water 1 time weekly, each 15-20cm；
Pond configuration power is the aerator of 2500-3500 watt, and high temperature season fine day starts aerator 1.5-2.5 hour noon, runs into wet weather or low pressure weather, starts aerator midnight until early morning；
9-3, controlling disease:
At the high temperature season of the 6-9 month, monthly full pool spilling head chlorine dioxide is once, and one-time continuous is splashed two days, and the amount of splashing of every day is 0.2～0.3g/m3Water body, uniformly mixes bait simultaneously and takes orally with garlicin；
When the fish generation erythroderma in pond, gill rot and enteritis disease, its Therapeutic Method is: SANHUANGFEN and Sal being added water stirs, add the feedstuff making leather hard in the feedstuff thrown something and fed to throw something and feed, throw something and feed every day 3 times, throw something and feed continuously 3 days, the feeding volume of SANHUANGFEN is 0.5-1 kilogram/double centner fish body, and the feeding volume of Sal is 0.5 kilogram/double centner fish body；
When the fish generation sinergasilliasis in pond, anchor head Sao disease, its Therapeutic Method is: the mass ratio of full pool spilling head copper sulfate and ferrous sulfate, copper sulfate and ferrous sulfate is 5-4: 2-3, and the consumption of copper sulfate 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 that every day patrols the pool sooner or later, observe ingesting and active situation of fish, grasp variation of water, and pull process fish sick, dead in time out；
10, the fishing for of fish:
In 11-12 month, the Ctenopharyngodon idellus in pond, Hypophthalmichthys molitrix, Aristichthys nobilis, No. 3 Carassius auratuss of middle section and bream are fished for.
In step 2, Chi Geng makes high anti-of 40cm escape wall with cement tile, anti-plastic foil of escaping.
In step 4-1, before putting shrimp species in a suitable place to breed, fill in the shrimp basket submergence pond water of shrimp species 2-3 time, every submergence in 1-2 minute once, each submergence l-2 minute, then shrimp is thrown in wide shrimp ditch.
In step 4-2, before putting juvenile prawn in a suitable place to breed, juvenile prawn is immersed in the saline solution that weight/mass percentage composition is 3% 3-5 minute, then with pond water wash three times, then put in a suitable place to breed to the dense place of shrimp ditch Herba Euphrasiae Regelii.
In step 4-2, if juvenile prawn is to buy back from other places, water outlet is fished for through transporting to the time put in a suitable place to breed less than 4 hours from juvenile prawn, and juvenile prawn before putting in a suitable place to breed in first submergence pool water within 1-2 minute, mention and shelve 1-2 minute, submergence 1-2 minute again, mentions and shelves 1-2 minute, repeatedly puts in a suitable place to breed to pond after 2-3 time again.
In step 5-1-2, in addition it is also necessary to supplement waterweed and water peanut, make waterweed and the water peanut coverage rate in shrimp ditch reach 60%.
In step 5-1-2, in addition it is also necessary to remove carnivority Fish, it is prevented that the natural enemy of Procambarus clarkii enters pond, it is to avoid using the fish medicine preventing and curing of fish disease that Procambarus clarkii is sensitive, prohibitting the use of ammonia, carbon ammonia is that Herba Euphrasiae Regelii topdresses.
In step 8, sterilized 5 minutes with the salt solution that weight/mass percentage composition is 3% before Young grass carp, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section, bream summer flower and Cirrhina molitorella summer flower are put in a suitable place to breed.
In step 8, before putting in a suitable place to breed, Young grass carp grass carp hemorrhage inactivated vaccine soaks, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, Carassius auratus summer flower, bream summer flower and Cirrhina molitorella summer flower Evaluation of Aeromon As Hydrophila Vaccine soak, adopting Nylon Bag oxygenation to soak, vaccine concentration is 2-3%, soaks 30-60 minute.
Compared with prior art, advantages of the present invention and effective be in that:
1, improve in pond structure, excavate shrimp ditch in pond, provide bigger surviving the winter to perch space for Procambarus clarkii.
2, increasing the pattern of seed shrimp of putting in a suitable place to breed, bred by seed shrimp, shrimp Seedling is survived the winter in pond, and the self-produced shrimp Seedling specification in pond in next year is big, quantity is many, not only realizes commercial sized prawn and lists in advance, it is also possible to sell unnecessary shrimp Seedling, improves yield and economic benefit.
3, plant the water plants such as waterweed at shrimp ditch winter, improve shrimp Seedling overwintering survival rate.
4, plantation Herba Euphrasiae Regelii and waterweed, build good pond ecological environment, few compared with Procambarus clarkii disease in other breeding environments.
5, the seed ripe by retaining Herba Euphrasiae Regelii, allows germinating in pond, and spring in next year, Herba Euphrasiae Regelii seed can be sprouted by nature, does not substantially need artificial seeding, saves labor.
6, describe in detail fingerling stocking time, kind, quantity, specification and throw something and feed, manage, disease prevention techniques.
7, describe the method preventing hemorrhagic disease of grass carp and silver carp flathead crucian carp bream bacterial septicemia by soaking vaccine, be remarkably improved survival rate of fish fry.
In a word, invention increases the cultivation of one batch of Procambarus clarkii, Procambarus clarkii yield can reach more than 50-100kg/ mu, and under the premise not affecting fish income, every mu increases net income more than 1000 yuan.And when putting juvenile prawn in a suitable place to breed for existing, add the pattern putting seed shrimp in a suitable place to breed, effectively utilize the pond water surface resource in winter and early spring, Propogation and culture juvenile prawn, with the morning juvenile prawn season of growth that pond is cultivated, survival rate is high, fast growth, commercial sized prawn specification can be reached in advance, can further improve economic benefit.
Figure of description
Fig. 1 is the structural representation in pond.
1-Chi Geng, 2-shrimp ditch, the narrow shrimp ditch of 3-, 4-width shrimp ditch, base frame face, 5-pond, 6-block.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
Embodiment 1
Kind green grass or young crops Procambarus clarkii fingerling at the bottom of a kind of pond connects breeding method, comprises the steps:
1, the selection of pond condition:
1-1, water source and water quality:
Selecting the pond having abundant water resources, water quality is excellent, adnexa does not pollute and water retention property is good, 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 ridge, pond is solid, and the ridge, pond soil is loam or clay, and silt depth at the bottom of pond is at 15-25 centimetre, and pond environment meets nuisanceless aquatic products home environment requirement GB/T18407.4.
1-3, the area in pond and shape: 19 mu, rectangle pond, long 153 meters, wide 83 meters.
2, the transformation in pond:
2-1, shrimp ditch excavation:
As shown in Figure 1, inside the ridge, pond 1, rectangular shrimp ditch 2 is excavated at the bottom of pond 5, one side shrimp ditch of shrimp ditch 2 is wide shrimp ditch 4, remaining three limit shrimp ditch is narrow shrimp ditch 3, the furrow width of wide shrimp ditch 4 is 25m, the width of narrow shrimp ditch 3 is 4m, the degree of depth of shrimp ditch 2 is 1 meter, the area of shrimp ditch 2 accounts for the 23% of pond area, at the bottom of pond, the part except shrimp ditch is base frame face, pond 5, the block 6 that mesh is 2mm it is mounted between wide shrimp ditch 4 and narrow shrimp ditch 3 and between wide shrimp ditch 4 and base frame face, pond 5, block top is higher than the peak level in pond, and at the plastic sheeting of one wide 30cm of block top sewing, preventing and treating Procambarus clarkii crosses block.
2-2, enter pumping equipment:
Water inlet, discharge outlet are respectively arranged at the two ends that pond is relative, discharge outlet is positioned at the lowest point of shrimp ditch, and water inlet is provided with the filtering mesh bag that mesh is 20 orders, it is prevented that harmful organisms enters with current, it is that 20 purposes prevent escaping mesh sheet that discharge outlet is provided with mesh, it is prevented that Procambarus clarkii escapes with flowing water.
2-3, escaping-preventing facilities:
Chi Geng makes high anti-of 40cm escape wall with anti-plastic foil of escaping, anti-escape strong corner and do camber, unsuitable shape at a right angle, in case Procambarus clarkii flight.
3, the preparation in pond:
Sterilize at the bottom of 3-1, pond
Behind dry pond, pond, carrying out disinfection with quick lime, do not fish for clean wild fishes and pathogenic bacterium in order to kill, the consumption of quick lime is 65 kgs/acre,
Kind at the bottom of 3-2, pond is blue or green
On March 15th, 2014, sowing Herba Euphrasiae Regelii on the moistening mud in base frame face, pond, every mu of application rate is 1.0 kilograms, available warm water accelerating germination before sowing, keeps mud face, base frame face, pond smooth during sowing.
3-3, seedling management:
Herba Euphrasiae Regelii seedling growth stage is comparatively slow, mud at the bottom of pond keeps moistening, it is beneficial to the raising of soil temperature, promote seedling growth and point evil, if it find that during Herba Euphrasiae Regelii undergrowth, use 1 kilogram of carbamide to carry Seedling for every mu, and the water level of Chi Shui is progressively deepened according to the growing way situation of Herba Euphrasiae Regelii, pond water water level controls the 40%-50% for plant height all the time, Herba Euphrasiae Regelii young crops so both can be allowed with aquatic length, Procambarus clarkii can be allowed again to have the Semen setariae blade of grass that children is tender, and be submerged Lao Ye simultaneously and rot, make water quality grow fat, cultivate the food organisms of Procambarus clarkii.
4, the putting in a suitable place to breed of Procambarus clarkii seed shrimp:
On August 10th, 2014, uniformly planting pasture and water waterweed and water peanut in wide shrimp ditch, thickness of sowing is 9 strains/m2, planted area is about the 60% of shrimp ditch area；
On JIUYUE 20th, 2014, when being coated with the waterweed and water peanut that area is wide shrimp ditch area about 60% in wide shrimp ditch, select that appendage is complete, not damaged, disease-free and athletic seed shrimp, about the body weight 25g/ tail of seed shrimp, female-male proportion is 3:1, will fill in the shrimp basket submergence pond water of seed shrimp 3 times, every submergence in 2 minutes once, each submergence 2 minutes, then shrimp is thrown in wide shrimp ditch.Stocking rate is calculated by pond real area, puts 20kg in a suitable place to breed for every mu, altogether puts 380kg in a suitable place to breed.
Seed shrimp sex abnormality: abdominal foot is degenerated by female shrimp first, and second pair of abdominal foot is the pinniform appendage of merogenesis, and without phallus, gonopore is opened on the 3rd pair of pereiopoda base portion, is the small sircle hole of a pair dead color；Male shrimp first, second abdominal foot develops into white, calcareous tubulose phallus, and gonopore is opened on the 5th pair of pereiopoda base portion, is a pair kick yellowish pink, cone shape.
In order to avoid inbreeding, introduce seed shrimp every year from different regions.
5, the daily management of seed shrimp is thrown in:
5-1, feedstuff management:
Put the Procambarus clarkii commercial feed that quality is shrimp species gross mass 2% of throwing something and feeding rear every day in a suitable place to breed, throw something and feed every day three times, Feeding time respectively 8:00 in morning, afternoon 3 point, evening 7:00, found have juvenile prawn movable on October 15, the Procambarus clarkii animal fodders such as the timely leftover bits and pieces supplementing throw something and feed minced fish, the spiral shell Carnis Anodonta seu crislaria of rubbing, slaughterhouse, day feeding volume is the 6% of juvenile prawn gross mass, throw something and feed every day 3 times, Feeding time respectively 8:00 in morning, afternoon 3:00, evening 7:00, feeding volume respectively the 40% of day feeding volume, 30%, 30%.When water temperature is lower than 10 DEG C, feedstuff of not throwing something and feeding.In March, 2015, when water temperature is higher than 10 DEG C, throw something and feed the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30%, or any one or the arbitrarily several combination in cake seed, wheat bran and bean dregs of throwing something and feeding, throw something and feed every day 1 time, day feeding volume be the 3% of Procambarus clarkii gross mass.
Feedstuff feeding adheres to that four see four fixed bait throwing in principles, daily ration, feeding quantity is eaten up as benchmark with 2h, throw something and feed and should be noted weather, many throwings time fine, high temperature is sultry, overcast and rainy continuously or throws less during water quality overrich, throws less during large quantities of Lobster shell, after shell throws more, in a word, feedstuff of throwing something and feeding should meet the requirement of GB13078 and NY5072.
Owing to adopting the mode thrown something and fed of fixed point, food platform surrounding water is sterilized once weekly, and regularly skims bait more than residue in time.
5-2, other management
Just supplement waterweed and water peanut when waterweed and the water peanut coverage rate in shrimp ditch declines immediately, make waterweed and the water peanut coverage rate in shrimp ditch reach 60%.
On November 30th, 2014, after fingerling has been fished for, with quick lime and tea cake, narrow shrimp ditch and base frame face, pond being carried out disinfection, the consumption of quick lime is 60kg/ mu, and the consumption of tea cake is 6kg/ mu.With fluid-tight thin film, wide shrimp ditch is separated with narrow shrimp ditch and base frame face, pond before the sterilization of base frame face, pond, after lack of toxicity, block and thin film is removed after one week, it is injected simultaneously into new water, make pond water water level higher than base frame face, pond 20-30cm, Procambarus clarkii is allowed freely to be distributed to full pond, block is in statu quo installed before putting summer flower fingerling again in a suitable place to breed by the coming year again, does not allow fingerling enter in wide shrimp ditch.
In December, 2014 keeps pond depth of water 30-50cm, afterwards along with the decline of temperature, adds deep water level gradually to 40cm-60cm.In March, 2015, controlling water temperature by the way regulating the depth of water when water temperature is gone up, during fine day, pond water level keeps 30cm, allows the sun shine water so that water temperature is gone up as early as possible；Overcast and rainy or cold snap, pond water level keeps 60cm, in order to avoid water temperature drop.
In December, 2014, the farm manure become thoroughly decomposed is executed in full pond, and dose is 180kg/ mu.
Remove the predacious fish such as Ophicephalus argus, Silurus asotus fish, it is prevented that the Procambarus clarkii of the firm shell of these fish predations；The natural enemy preventing the Procambarus clarkii such as mouse, Enhydris chinensis, various birds, batrachia enters pond；Avoid with fish medicines such as the especially sensitive organophosphor of Procambarus clarkii, chrysanthemum lipids；Ammonia and carbon ammonium is prohibitted the use of to topdress as Herba Euphrasiae Regelii.
6, the fishing for of Procambarus clarkii:
Start to fish for shrimp Seedling and Procambarus clarkii listing that body weight is more than 25g in by the end of March, 2015, become about the average 40g/ tail of shrimp, become shrimp per mu yield 110 kilograms, shrimp Seedling per mu yield 20 kilograms.Adopt cage to fish for, catch and stay greatly little, before summer flower fingerling stocking, major part Procambarus clarkii is caught out, to reduce the impact that summer flower fingerling is grown by Procambarus clarkii.
7, green grass or young crops is flooded
On June 5th, 2015, after Herba Euphrasiae Regelii seed maturity, summer flower fingerling stocking increased pond water level before 1 week, flooded by Herba Euphrasiae Regelii so that it is naturally rotting to decompose and cultivate food organisms, now the Biomass of Herba Euphrasiae Regelii is less than 3000kg/ mu.Pouring water after Herba Euphrasiae Regelii seed maturity again and flood green grass or young crops, allow germinating in pond, spring in next year, Herba Euphrasiae Regelii seed can be sprouted by nature, does not substantially need artificial seeding.
8, the putting in a suitable place to breed of fingerling:
On June 27th, 2015, selective body weight average is even, put in a suitable place to breed to pond without the anosis Young grass carp of wound, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section, Cirrhina molitorella summer flower, the breeding density of Young grass carp is 1000 tails/mu, the breeding density of Hypophthalmichthys molitrix summer flower is 500 tails/mu, the breeding density of Aristichthys nobilis summer flower is 100 tails/mu, the breeding density of No. 3 crucian carp summer flowers of middle section is 500 tails, and the breeding density of Cirrhina molitorella summer flower is 7000 tails/mu.Following measures is taked: 1, executing tea seed cake in pond and remove wild fishes (depth of water 60cm), amount of application is 6,000 grams/acre before fingerling stocking；2, the salt solution that all fingerling weight/mass percentage composition are 3% is sterilized 5 minutes；3, Young grass carp grass carp hemorrhage inactivated vaccine soaks, and Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, Carassius auratus summer flower, Cirrhina molitorella summer flower Evaluation of Aeromon As Hydrophila Vaccine soak, and adopts Nylon Bag oxygenation to soak, and vaccine concentration is 3%, soaks 40 minutes.
9, the daily management breeded fish:
9-1, feedstuff management:
Mainly with plankton for food during the pool under summer flower, after one week, along with the temperature rises, fingerling individuality increases, albumen quality of throwing something and feeding every day percentage composition is the mixed feed of 30%, or Testa oryzae of throwing something and feeding, any one or arbitrarily several combination in wheat bran and rape cake, the particle diameter of feedstuff of throwing something and feeding to adapt with fingerling schistostoma size, adopt with device for feeding fish bait and pinpoint the mode thrown something and fed, throw something and feed every day 2 times, Feeding time is 10:00 respectively, 18:00, every day feeding volume As time goes on, pond capacity value increases, feeding volume progressively reduces, the 6-7 month, feeding volume is the 8% of all fish gross masses, the 8-9 month, feeding volume is the 8% of all fish gross masses, the 10-11 month, feeding volume is the 5% of all fish gross masses.Check the food residual bait situation of platform in time, adjust feeding volume (cast to eat up in 2 hours with feedstuff and be as the criterion) according to residual bait situation.
Every first quarter moon, food field is carried out disinfection once, and regularly skim bait more than residue in time.
9-2, water quality adjustment:
At the high temperature season of the 6-9 month, carrying out for 1 time improving water quality every 20 days full pool spilling head quick lime, the amount of splashing is 15kg/ mu, increases dissolved oxygen.Supplement fresh water 1 time weekly, each 20cm.
Pond configuration power is the aerator of 3000 watts, when high temperature season fine day starts 2, aerator noon, runs into wet weather or low pressure weather, starts aerator midnight until early morning, keep dissolved oxygen in fish pond at more than 4mg/L.
9-3, controlling disease:
At the high temperature season of the 6-9 month, monthly full pool spilling head chlorine dioxide is once, and one-time continuous is splashed two days, and the amount of splashing of every day is 0.2g/m3Water body, uniformly mixes bait simultaneously and takes orally with garlicin.
When the fish generation erythroderma in pond, gill rot and enteritis disease, its Therapeutic Method is: SANHUANGFEN and Sal being added water stirs, add the feedstuff making leather hard in the feedstuff thrown something and fed to throw something and feed, throw something and feed every day 3 times, throw something and feed continuously 3 days, the feeding volume of SANHUANGFEN is 0.5 kilogram/double centner fish body, and the feeding volume of Sal is 0.5 kilogram/double centner fish body；
When the fish generation sinergasilliasis in pond, anchor head Sao disease, its Therapeutic Method is: the mass ratio of full pool spilling head copper sulfate and ferrous sulfate, copper sulfate and ferrous sulfate is 5: 2, and the consumption of copper sulfate and ferrous sulfate is 0.7g/m3Water body, or by Drug therapys such as metrifonate.
9-4, other management:
After summer flower is put in a suitable place to breed, adhere to that every day patrols the pool sooner or later, observe ingesting and active situation of fish, grasp variation of water, and pull process fish sick, dead in time out.
10, the fishing for of fish:
On August 28th, 2015 starts to fish for Cirrhina molitorella, all fishes for complete to December 5, and yield is Cirrhina molitorella 360 kgs/acre respectively, Carassius auratus 30 kgs/acre, Hypophthalmichthys molitrix 20 kgs/acre, Aristichthys nobilis 10 kgs/acre, Ctenopharyngodon idellus 80 kgs/acre.
Embodiment 2
Kind green grass or young crops Procambarus clarkii fingerling at the bottom of a kind of pond connects breeding method, comprises the steps:
1, the selection of pond condition:
1-1, water source and water quality:
Selecting the pond having abundant water resources, water quality is excellent, adnexa does not pollute and water retention property is good, 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 ridge, pond is solid, and the ridge, pond soil is loam or clay, and silt depth at the bottom of pond is at 15-25 centimetre, and pond environment meets nuisanceless aquatic products home environment requirement GB/T18407.4.
1-3, the area in pond and shape: 12 mu, rectangle pond, long 100 meters, wide 80 meters.
2, the transformation in pond:
2-1, shrimp ditch excavation:
Rectangular shrimp ditch is excavated inside the Di Yanchi ridge, pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three limit shrimp ditch is narrow shrimp ditch, the furrow width of wide shrimp ditch is 16m, the furrow width of narrow shrimp is 3m, the degree of depth of shrimp ditch is 0.8 meter, and the area of shrimp ditch 2 accounts for the 25% of pond area, and at the bottom of pond, the part except shrimp ditch is base frame face, pond.
2-2, enter pumping equipment:
Water inlet, discharge outlet are respectively arranged at the two ends that pond is relative, discharge outlet is positioned at the lowest point of shrimp ditch, and water inlet is provided with the filtering mesh bag that mesh is 20 orders, it is prevented that harmful organisms enters with current, it is that 20 purposes prevent escaping mesh sheet that discharge outlet is provided with mesh, it is prevented that Procambarus clarkii escapes with flowing water.
2-3, escaping-preventing facilities:
Chi Geng makes high anti-of 40cm escape wall with anti-plastic foil of escaping, anti-escape strong corner and do camber, unsuitable shape at a right angle, in case Procambarus clarkii flight.
3, the preparation in pond:
Sterilize at the bottom of 3-1, pond
Behind dry pond, pond, carrying out disinfection with quick lime, do not fish for clean wild fishes and pathogenic bacterium in order to kill, the consumption of quick lime is 75 kgs/acre,
Kind at the bottom of 3-2, pond is blue or green
On March 20th, 2014, sowing Herba Euphrasiae Regelii on the moistening mud in base frame face, pond, every mu of application rate is 1.5 kilograms, available warm water accelerating germination before sowing, keeps mud face, base frame face, pond smooth during sowing.
3-3, seedling management:
Herba Euphrasiae Regelii seedling growth stage is comparatively slow, require that mud at the bottom of pond keeps moistening, it is beneficial to the raising of soil temperature, promote seedling growth and point evil, if it find that during Herba Euphrasiae Regelii undergrowth, apply carbamide and carry Seedling, the amount of application of carbamide is 0.8 kg/acre, and the water level of Chi Shui is progressively deepened according to the growing way situation of Herba Euphrasiae Regelii, pond water water level controls the 40%-50% for plant height all the time, and young crops so both can have been allowed with aquatic length, Procambarus clarkii can be allowed again to have the Semen setariae blade of grass that children is tender, it is submerged Lao Ye to rot simultaneously, makes water quality grow fat, cultivate the food organisms of Procambarus clarkii.
4, the putting in a suitable place to breed of larva of crayfish:
On March 7th, 2014, March 15, April 3, now Herba Euphrasiae Regelii grows to more than 20cm, select that appendage is complete respectively, not damaged, disease-free and athletic seed shrimp are put in a suitable place to breed to shrimp ditch, the body weight of juvenile prawn is about 6.25g/ tail, the input density of three times respectively 20kg/ mu, 12kg/ mu, 12kg/ mu.Before putting in a suitable place to breed, juvenile prawn is immersed in the saline solution that weight/mass percentage composition is 3% 3-5 minute, then with pond water wash three times, then put in a suitable place to breed gently to the more place of shrimp ditch phytal zone Herba Euphrasiae Regelii, allow it from being advanced in water.
Throw in juvenile prawn should not excessively concentrate, uniformly should throw at the shrimp ditch internal point of division, it is to avoid local water body severe depletion of oxygen, Procambarus clarkii death by suffocation.
Release time should select sooner or later or overcast and rainy input, it is to avoid input during strong at sunlight in high temperature.
If juvenile prawn is to buy back from other places, for preventing long impact the into of dewatering time from causing motility rate low, water outlet is fished for through transporting to the time put in a suitable place to breed less than 4 hours from juvenile prawn, and juvenile prawn before putting in a suitable place to breed in first submergence pool water within 1-2 minute, mention and shelve 1-2 minute, then soak 1-2 minute, mention and shelve 1-2 minute, repeatedly put in a suitable place to breed again to pond after 2-3 time, shrimp species body surface and the gill cavity so can be allowed to put in a suitable place to breed after suctioning moisture content again, the survival rate of shrimp species can be effectively improved.
In order to avoid inbreeding, plant matter and degenerate, introduce juvenile prawn every year from different regions.
5, the daily management of juvenile prawn:
5-1, feedstuff management:
At the bottom of pond, the Herba Euphrasiae Regelii of plantation both provided substantial amounts of agreeable to the taste bait for Procambarus clarkii, provided good place of perching and look for food for it again, so having only to supplement a small amount of feedstuff of throwing something and feeding, Procambarus clarkii can grow rapidly well.Throw something and feed after putting in a suitable place to breed Semen Glycines or the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30% of throwing something and feeding, every day throws something and feeds 1 time at dusk, day feeding volume is the 3% of all Lobster gross masses, throwing something and feeding weekly the Procambarus clarkii animal fodder such as leftover bits and pieces of minced fish, the spiral shell Carnis Anodonta seu crislaria of rubbing, slaughterhouse, feeding volume is 1kg/ mu.Feedstuff feeding to adhere to that four see four fixed principles, day feeding volume is about the 2%-4% bait of all Lobster quality, daily ration, feeding quantity is eaten up as benchmark with 2h, throw something and feed and should be noted weather, many throwings time fine, high temperature is sultry, overcast and rainy continuously or throws less during water quality overrich, throw less during large quantities of Lobster shell, many throwings after shell, in a word, feedstuff of throwing something and feeding should meet the requirement of GB13078 and NY5072.
Owing to adopting the mode thrown something and fed of fixed point, food platform surrounding water is sterilized once weekly, and regularly skims bait more than residue in time, in order to avoid rotting, and polluted-water.
Remove the predacious fish such as Ophicephalus argus, Silurus asotus fish, it is prevented that the Procambarus clarkii of the firm shell of these fish predations；The natural enemy preventing the Procambarus clarkii such as mouse, Enhydris chinensis, various birds, batrachia enters pond；Avoid with fish medicines such as the especially sensitive organophosphor of Procambarus clarkii, chrysanthemum lipids；Ammonia and carbon ammonium is prohibitted the use of to topdress as young crops.
5-2, other management:
Juvenile prawn to keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when in shrimp ditch, water quality is excessively thin, namely when water quality transparency is more than 40cm, every 15 days nitrogen fertilizer applications and phosphate fertilizer once, amount of application of nitrogen fertilizer is 6kg/ mu, and Phosphorus fertilizer usage is 5kg/ mu, when water quality overfertilization in shrimp ditch, namely, when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35cm；
6, the fishing for of Procambarus clarkii:
On May 1st, 2014 starts to fish for Procambarus clarkii, and Procambarus clarkii body weight is 40g/ tail-75g/ tail, to altogether fishing for Procambarus clarkii 1080kg by the end of June, and per mu yield 90 kilograms.Adopt cage to fish for, catch and stay greatly little, before summer flower fingerling stocking, major part Procambarus clarkii is caught out, to reduce the impact that summer flower fingerling is grown by Procambarus clarkii.
7, green grass or young crops is flooded
In by the end of May, 2014, and after Herba Euphrasiae Regelii seed maturity, summer flower fingerling stocking increased pond water level before 1 week, flooded by Herba Euphrasiae Regelii so that it is naturally rotting to decompose and cultivate food organisms, now the Biomass of Herba Euphrasiae Regelii is less than 3000kg/ mu.Pouring water after Herba Euphrasiae Regelii seed maturity again and flood green grass or young crops, allow germinating in pond, spring in next year, Herba Euphrasiae Regelii seed can be sprouted by nature, does not substantially need artificial seeding.
8, the putting in a suitable place to breed of fingerling:
In by the end of May, 2014, selective body weight average is even, put in a suitable place to breed to pond without the anosis Young grass carp of wound, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section, bream summer flower, the breeding density of Young grass carp is 4500 tails/mu, the breeding density of Hypophthalmichthys molitrix summer flower is 1200 tails/mu, the breeding density of Aristichthys nobilis summer flower is 200 tails/mu, the breeding density of No. 3 crucian carp summer flowers of middle section is 1100 tails, and the breeding density of bream summer flower is 500 tails/mu.Following measures is taked: 1, executing tea seed cake in pond and remove wild fishes (depth of water 60cm), amount of application is 6,000 grams/acre before fingerling stocking；2, the salt solution that all fingerling weight/mass percentage composition are 3% is sterilized 5 minutes；3, Young grass carp grass carp hemorrhage inactivated vaccine soaks, and Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, Carassius auratus summer flower, bream summer flower Evaluation of Aeromon As Hydrophila Vaccine soak, and adopts Nylon Bag oxygenation to soak, and vaccine concentration is 3%, soaks 30-60 minute.
9, the daily management breeded fish:
9-1, feedstuff management:
Mainly with plankton for food during the pool under summer flower, along with the temperature rises, fingerling individuality increases, albumen quality of throwing something and feeding every day percentage composition is the mixed feed of 30%, or any one or the arbitrarily several combination in Testa oryzae of throwing something and feeding, wheat bran and rape cake, the particle diameter of feedstuff of throwing something and feeding to adapt with fingerling schistostoma size, adopts, with device for feeding fish bait, the mode that fixed point throws something and feeds, throwing something and feeding every day 2 times, Feeding time is 10:00,18:00 respectively.Every day feeding volume As time goes on, pond capacity value increase, feeding volume progressively reduces, the 6-7 month, and feeding volume is the 10% of all fish gross masses, and the 8-9 month, feeding volume is the 6% of all fish gross masses, and the 10-11 month, feeding volume is the 3% of all fish gross masses.Check the food residual bait situation of platform in time, adjust feeding volume (cast to eat up in 2 hours with feedstuff and be as the criterion) according to residual bait situation.
Every first quarter moon, food field is carried out disinfection once, and regularly skim bait more than residue in time.
9-2, water quality adjustment:
At the high temperature season of the 6-9 month, carrying out for 1 time improving water quality every 20 days full pool spilling head quick lime, the amount of splashing is 15kg/ mu, increases dissolved oxygen.Supplement fresh water 1 time weekly, each 15cm.1 fertilizer is executed every first quarter moon.
Pond configuration power is the aerator of 2500 watts, and high temperature season fine day starts aerator 2.5 hours noon, runs into wet weather or low pressure weather, starts aerator midnight until early morning, keeps dissolved oxygen in fish pond at more than 4mg/L.
9-3, controlling disease:
At the high temperature season of the 6-9 month, monthly full pool spilling head chlorine dioxide is once, and one-time continuous is splashed two days, and the amount of splashing of every day is 0.3g/m3Water body, uniformly mixes bait simultaneously and takes orally with garlicin；Executed a quick lime every 20 days, amount of application is 20kg/ mu.
When the fish generation erythroderma in pond, gill rot and enteritis disease, its Therapeutic Method is: SANHUANGFEN and Sal being added water stirs, add the feedstuff making leather hard in the feedstuff thrown something and fed to throw something and feed, throw something and feed every day 3 times, throw something and feed continuously 3 days, the feeding volume of SANHUANGFEN is 1 kilogram/double centner fish body, and the feeding volume of Sal is 0.5 kilogram/double centner fish body；
When the fish generation sinergasilliasis in pond, anchor head Sao disease, its Therapeutic Method is: the mass ratio of full pool spilling head copper sulfate and ferrous sulfate, copper sulfate and ferrous sulfate is 1: 1, and the consumption of copper sulfate 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 that every day patrols the pool sooner or later, observe ingesting and active situation of fish, grasp variation of water, and pull process fish sick, dead in time out；
10, the fishing for of fish:
In November, 2014 all fishes for complete, and total output is 5829kg, and average yield per mu is 485.8kg, and yield is bream 5.8 kgs/acre respectively, Carassius auratus 30 kgs/acre, Hypophthalmichthys molitrix 174 kgs/acre, Aristichthys nobilis 29.1 kgs/acre, Ctenopharyngodon idellus 230 kgs/acre.
Claims (9)
1. at the bottom of a pond, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterised in that comprise the steps:
1-1, pond condition selection:
1-1-1, water source and water quality:
Selection is had abundant water resources, water quality is excellent, the neighbouring rectangle pond not having to pollute and water retention property is good, and pond water quality meets the requirement of GB11607 water quality standard for fishery and NY5051 pollution-free food aquiculture fresh water water quality；
1-1-2, soil and environment:
The ridge, pond is solid, and the ridge, pond soil is loam or clay, and silt depth at the bottom of pond is at 15-25 centimetre, and pond environment meets nuisanceless aquatic products home environment requirement GB/T18407.4；
1-2, pond transformation:
1-2-1, shrimp ditch excavation:
Rectangular shrimp ditch is excavated inside the Di Yanchi ridge, pond, one side shrimp ditch of shrimp ditch is wide shrimp ditch, remaining three limit shrimp ditch is narrow shrimp ditch, the 1/8-1/10 that furrow width is pond length of wide shrimp ditch, the 1/30-1/20 that furrow width is pond length of narrow shrimp ditch, the degree of depth of shrimp ditch is 0.8-1.2 rice, and the area of shrimp ditch accounts for the 20%～25% of pond area, being mounted on block between wide shrimp ditch and narrow shrimp ditch and between wide shrimp ditch and base frame face, pond, block top is higher than the peak level 30-40cm in pond；
1-2-2, enter pumping equipment:
Water inlet, discharge outlet are respectively arranged at the two ends that pond is relative, and discharge outlet is positioned at the lowest point of shrimp ditch, and water inlet is provided with filtering mesh bag, and discharge outlet is provided with prevents escaping mesh sheet；
1-3, pond preparation:
Sterilize at the bottom of 1-3-1, pond
Behind dry pond, pond, carrying out disinfection with quick lime, the consumption of quick lime is 50-75 kg/acre；
Kind at the bottom of 1-3-2, pond is blue or green
During mid-March to the Ching Ming Festival, sowing Herba Euphrasiae Regelii on the moistening mud in base frame face, pond, every mu of application rate is 1.0-1.5 kilogram；
1-3-3, seedling management:
Herba Euphrasiae Regelii seedling growth stage is comparatively slow, it is desirable to the mud in base frame face, pond keeps moistening；If it find that during Herba Euphrasiae Regelii undergrowth, should apply carbamide and carry Seedling, the amount of application of carbamide is 0.8-1.2 kg/acre, and progressively deepens the water level of Chi Shui according to the growing way situation of Herba Euphrasiae Regelii, and pond water water level controls the 40%-50% for Herba Euphrasiae Regelii plant height all the time；
1-4, the putting in a suitable place to breed of Procambarus clarkii seed:
Procambarus clarkii seed put both of which in a suitable place to breed, one is to put seed shrimp in a suitable place to breed, and another kind is to put juvenile prawn in a suitable place to breed；
1-4-1, the putting in a suitable place to breed of seed shrimp:
In August, uniformly planting pasture and water waterweed and water peanut in wide shrimp ditch, planted area is the 45%-60% of wide shrimp ditch area；
The 9-10 month, when being coated with, in wide shrimp ditch, the waterweed and water peanut that area is shrimp ditch area 45%-60%, select that appendage is complete, not damaged, disease-free and athletic seed shrimp are put in a suitable place to breed to wide shrimp ditch, the body weight of seed shrimp is 25-30g/ tail, female-male proportion is 3:1, stocking rate is calculated by pond real area, puts 18-22kg in a suitable place to breed for every mu；
1-4-2, the putting in a suitable place to breed of juvenile prawn:
Block need not be set when juvenile prawn pattern is put in employing in a suitable place to breed, March to mid or late April, now Herba Euphrasiae Regelii grows to more than 20cm, select that appendage is complete, not damaged, disease-free and athletic juvenile prawn, select fine day sooner or later or overcast and rainy juvenile prawn uniformly put in a suitable place to breed to shrimp ditch, the body weight of juvenile prawn is 5-9g/ tail, and breeding density is 20-45kg/ mu；
1-5, Procambarus clarkii daily management:
1-5-1, throw in seed shrimp daily management:
1-5-1-1, feedstuff management:
Put the Procambarus clarkii commercial feed that quality is seed shrimp gross mass 1-3% of throwing something and feeding rear every day in a suitable place to breed, throw something and feed every day three times, Feeding time respectively 8:00 in morning, afternoon 3 point, evening 7:00.When finding Procambarus clarkii oogenesis and hatching juvenile prawn, supplement and throw something and feed Procambarus clarkii animal fodder, day feeding volume be the 5～8% of juvenile prawn gross mass, throw something and feed every day 3 times, Feeding time respectively 8:00 in morning, afternoon 3:00, evening 7:00, feeding volume accounts for the 40% of day feeding volume, 30%, 30% respectively.When water temperature is lower than 10 DEG C, feedstuff of not throwing something and feeding.March in next year, when water temperature is higher than 10 DEG C, throw something and feed the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30%, or any one or the arbitrarily several combination in cake seed, wheat bran and bean dregs of throwing something and feeding, throw something and feed every day 1 time, day feeding volume be the 2-4% of Procambarus clarkii gross mass；
1-5-1-2, other management
After treating that 11-12 month fingerling has been fished for, with quick lime and tea cake, narrow shrimp ditch and base frame face, pond being carried out disinfection, the consumption of quick lime is 50-70kg/ mu, and the consumption of tea cake is 5-10kg/ mu.With fluid-tight thin film, wide shrimp ditch is separated with narrow shrimp ditch and base frame face, pond before sterilization, after lack of toxicity, block and thin film is removed after one week, it is injected simultaneously into new water, make pond water water level higher than base frame face, pond 20-30cm, Procambarus clarkii is allowed freely to be distributed to full pond, block was in statu quo installed by the coming year before putting summer flower fingerling in a suitable place to breed again, did not allow fingerling enter in wide shrimp ditch；
December, keep pond depth of water 30-50cm, afterwards along with the decline of temperature, add deep water level gradually to 40cm-60cm, March in next year, when water temperature is gone up, control water temperature by the way regulating the depth of water, during fine day, the pond depth of water keeps 25-35cm, overcast and rainy or cold snap, and the pond depth of water keeps 55-65cm；
December, the farm manure become thoroughly decomposed is executed in full pond, and dose is 150kg/ mu-200kg/ mu.
1-5-2, throw in juvenile prawn daily management:
1-5-2-1, feedstuff management:
Throw something and feed after putting in a suitable place to breed the Procambarus clarkii Special artificial mixed feed that crude protein weight/mass percentage composition is 28%-30%, or any one or the arbitrarily several combination in cake seed, wheat bran, Semen Glycines, forage fiss and bean dregs of throwing something and feeding, every day throws something and feeds 1 time at dusk, day feeding volume is the 2-4% of all Lobster gross masses, throwing something and feeding weekly a Procambarus clarkii animal fodder, feeding volume is 1-2kg/ mu；
1-5-2-2, other management:
Juvenile prawn to keep water quality in shrimp ditch pure and fresh after putting in a suitable place to breed, when in shrimp ditch, water quality is excessively thin, namely when water quality transparency is more than 40cm, every 10-15 days nitrogen fertilizer applications and phosphate fertilizer once, amount of application of nitrogen fertilizer is 5-7kg/ mu, and Phosphorus fertilizer usage is 5-7kg/ mu, when water quality overfertilization in shrimp ditch, namely, when transparency is less than 25cm, fresh water should be injected immediately so that water quality transparency reaches 35-45cm；
1-6, the fishing for of Procambarus clarkii:
When taking the pattern putting seed shrimp in a suitable place to breed to put Procambarus clarkii in a suitable place to breed, at the beginning of by the end of March or 4 months next year, fish for shrimp Seedling and list with the shrimp that becomes that body weight is more than 25g, when taking the pattern putting juvenile prawn in a suitable place to breed to put Procambarus clarkii in a suitable place to breed, after putting 30-40 days in a suitable place to breed, fish for the one-tenth shrimp listing that body weight is more than 25g；
1-7, flood green grass or young crops
After Herba Euphrasiae Regelii seed maturity, summer flower fingerling stocking increased pond water level before 1 week, flooded by Herba Euphrasiae Regelii, and now the Biomass of Herba Euphrasiae Regelii is less than 3000kg/ mu；
1-8, the putting in a suitable place to breed of fingerling:
By the end of May to June, selective body weight average is even, put in a suitable place to breed to pond without the one in the anosis Young grass carp of wound, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section and bream summer flower and Cirrhina molitorella summer flower, the breeding density of Young grass carp is 1000-5000 tail/mu, the breeding density of Hypophthalmichthys molitrix summer flower is 500-2000 tail/mu, the breeding density of Aristichthys nobilis summer flower is 100-800 tail/mu, the breeding density of No. 3 crucian carp summer flowers of middle section is 500～1500 tails, the breeding density of bream summer flower is 400-600 tail/mu, and the breeding density of Cirrhina molitorella summer flower is 5000-8000 tail；
1-9, the daily management breeded fish:
1-9-1, feedstuff management:
With plankton for food during the pool under summer flower, after one week, throw something and feed every day the mixed feed that protein content is 25-35%, or any one or the arbitrarily several combination in Testa oryzae of throwing something and feeding, wheat bran and rape cake, throw something and feed every day 2 times, Feeding time is 10:00,18:00 respectively, every day feeding volume As time goes on, pond capacity value increase, feeding volume progressively reduces, the 6-7 month, and feeding volume is the 8%-10% of all fish gross masses, the 8-9 month, feeding volume is 6%-8%, the 10-11 month of all fish gross masses, and feeding volume is the 3%-5% of all fish gross masses；
1-9-2, water quality adjustment:
At the high temperature season of the 6-9 month, carrying out for 1 time improving water quality every 20 days full pool spilling head quick lime, the amount of splashing is 10-20kg/ mu, supplements fresh water 1 time weekly, each 15-20cm；
Pond configuration power is the aerator of 2500-3500 watt, and high temperature season fine day starts aerator 1.5-2.5 hour noon, runs into wet weather or low pressure weather, starts aerator midnight until early morning；
1-9-3, controlling disease:
At the high temperature season of the 6-9 month, monthly full pool spilling head chlorine dioxide is once, and one-time continuous is splashed two days, and the amount of splashing of every day is 0.2～0.3g/m3Water body, uniformly mixes bait simultaneously and takes orally with garlicin；
When the fish generation erythroderma in pond, gill rot and enteritis disease, its Therapeutic Method is: SANHUANGFEN and Sal being added water stirs, add the feedstuff making leather hard in the feedstuff thrown something and fed to throw something and feed, throw something and feed every day 3 times, throw something and feed continuously 3 days, the feeding volume of SANHUANGFEN is 0.5-1 kilogram/double centner fish body, and the feeding volume of Sal is 0.5 kilogram/double centner fish body；
When the fish generation sinergasilliasis in pond, anchor head Sao disease, its Therapeutic Method is: the mass ratio of full pool spilling head copper sulfate and ferrous sulfate, copper sulfate and ferrous sulfate is 5-4: 2-3, and the consumption of copper sulfate 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 that every day patrols the pool sooner or later, observe ingesting and active situation of fish, grasp variation of water, and pull process fish sick, dead in time out；
1-10, the fishing for of fish:
In 11-12 month, the Ctenopharyngodon idellus in pond, Hypophthalmichthys molitrix, Aristichthys nobilis, No. 3 Carassius auratuss of middle section and bream are fished for.
2. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterised in that: in step 1-2, Chi Geng makes high anti-of 40cm escape wall with cement tile, anti-plastic foil of escaping.
3. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding 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 pond water of seed shrimp 2-3 time, every submergence in 1-2 minute once, each submergence l-2 minute, then shrimp is thrown in wide shrimp ditch.
4. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterized in that: in step 1-4-2, before putting juvenile prawn in a suitable place to breed, juvenile prawn is immersed in the saline solution that weight/mass percentage composition is 3% 3-5 minute, then with pond water wash three times, then put in a suitable place to breed to the dense place of shrimp ditch Herba Euphrasiae Regelii.
5. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterized in that: in step 1-4-2, if juvenile prawn is to buy back from other places, water outlet is fished for through transporting to the time put in a suitable place to breed less than 4 hours from juvenile prawn, and juvenile prawn before putting in a suitable place to breed in first submergence pool water within 1-2 minute, mention and shelve 1-2 minute, then submergence 1-2 minute, mention and shelve 1-2 minute, repeatedly put in a suitable place to breed again to pond after 2-3 time.
6. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterised in that: in step 1-5-1-2, in addition it is also necessary to supplement waterweed and water peanut, make waterweed and the water peanut coverage rate in shrimp ditch reach 60%.
7. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterized in that: in step 1-5-1-2, also need to remove carnivority Fish, the natural enemy preventing Procambarus clarkii enters pond, avoiding the fish medicine preventing and curing of fish disease using Procambarus clarkii sensitive, prohibitting the use of ammonia, carbon ammonia is that Herba Euphrasiae Regelii topdresses.
8. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterized in that: in step 1-8, sterilized 5 minutes with the salt solution that weight/mass percentage composition is 3% before Young grass carp, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, No. 3 Carassius auratus summer flowers of middle section, bream summer flower and Cirrhina molitorella summer flower are put in a suitable place to breed.
9. at the bottom of pond according to claim 1, kind green grass or young crops Procambarus clarkii fingerling connects breeding method, it is characterized in that: in step 1-8, before putting in a suitable place to breed, Young grass carp grass carp hemorrhage inactivated vaccine soaks, Hypophthalmichthys molitrix summer flower, Aristichthys nobilis summer flower, Carassius auratus summer flower, bream summer flower and Cirrhina molitorella summer flower Evaluation of Aeromon As Hydrophila Vaccine soak, adopting Nylon Bag oxygenation to soak, vaccine concentration is 2-3%, soaks 30-60 minute.
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