CN106797900A - A kind of method that cray shrimp rice makees ecologic breeding, breeds altogether - Google Patents

A kind of method that cray shrimp rice makees ecologic breeding, breeds altogether Download PDF

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Publication number
CN106797900A
CN106797900A CN201611248407.1A CN201611248407A CN106797900A CN 106797900 A CN106797900 A CN 106797900A CN 201611248407 A CN201611248407 A CN 201611248407A CN 106797900 A CN106797900 A CN 106797900A
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shrimp
water
rice
rice field
cray
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郑中华
邹圣碧
陶忠虎
周浠
王淑娟
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Hubei Crayfish Industry Technology Research Institute Co Ltd
Hubei Crayfish Thoroughbred Breeding Center Co Ltd
Hubei Lake Modern Agricultural Science And Technology Development Co Ltd
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Hubei Crayfish Industry Technology Research Institute Co Ltd
Hubei Crayfish Thoroughbred Breeding Center Co Ltd
Hubei Lake Modern Agricultural Science And Technology Development Co Ltd
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Priority to CN201611248407.1A priority Critical patent/CN106797900A/en
Publication of CN106797900A publication Critical patent/CN106797900A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/20Cereals
    • A01G22/22Rice
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Environmental Sciences (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention proposes a kind of method that cray shrimp rice makees ecologic breeding, breeds altogether, it is characterised in that specifically include following steps:(1) rice field arranges;(2) rice field is left nothing usable to the invading enemy;(3) pasture and water are transplanted;(4) seed shrimp is put in a suitable place to breed;(5) shrimp seedling management;(6) fishing for young shrimps.3~April of the invention harvests a collection of shrimp seedling, 4~May harvests first commercial sized prawn, 8~September harvests second batch commercial sized prawn or close shrimp, improve the limitation of prior art cultivation, make use of ecological resources simultaneously, the problem that output capacity is low, the death rate is high of existing mode is avoided, the cooperation cultivation of ecological paddy rice and lobster is largely combined, the rate of output and quality of lobster cultivation is improve.

Description

A kind of method that cray shrimp rice makees ecologic breeding, breeds altogether
Technical field
The present invention relates to a kind of method that cray shrimp rice makees ecologic breeding, breeds altogether.
Background technology
Breeding for cray point accrues and artificial breeding, and artificial breeding breeds that (rice field is semi-artificial to breed including rice field Bred with rice field ecology), Tu Chi is bred, soil pond Wen Peng is bred, cement pit is bred and plant modification.Rice field is bred, native pond is numerous Educate, soil pond Wen Peng is bred mainly in 3~April production 3cm or so big specification shrimp seedling, cement pit is bred with plant modification every 9~October of year production, 1~2cm small dimension shrimp seedlings.From the point of view of long-term production practices, accrue be only suitable for people put day support it is thick Put aquaculture model, it is impossible to form seed supply;Artificial breeding either the people's work(of rice field half breed, native pond artificial breeding or water Mud sump and plant modification, can produce a number of shrimp seedling, but all respectively have shortcoming.Rice field is semi-artificial to breed He Tuchi Breed easy to operate, effect is also good, but semi-artificial the breeding in rice field fishes for inconvenience, is only suitable for home-bred and autophytic, it is impossible to form collection Middle batch supplies market, and it is slow that Tu Chi breeds shrimp seedling Time To Market;Although native pond Wen Peng, cement pit and plant modification can relative collection Medium quantity batch processing cray seedling, but native pond temperature canopy infrastructure investment is too big, cement pit and plant modification not only infrastructure Investment is big and the close shrimp death rate is high, and production cost is very high, and this all limits the development of shrimp seedling production scale.
Qianjiang is that the national development cray fingerlings artificial that takes the lead in is bred and successful counties and cities.The Rec of Hubei in 2005 water Producing food limited company relies on aquatic products department of city to cooperate with Hubei Aquatic Scienctific Research Inst., and in Long Wan fishing grounds, cray is good The artificial propagation research and experiment that Breeding base is successfully made cray is planted, the tail of shrimp seedling 10,000,000 is bred year, filled up at one stroke The blank of Chinese cray artificial propagation.On this basis, successively carried out rice field it is semi-artificial breed, the examination such as native pond artificial breeding Test, and achieve in succession successfully.2008 -- 2012, Qianjiang Laker Seafood Co., Ltd. raised funds in many ways, investment Nearly hundred million yuan, build up successively 5000 square metres of plant modification workshop, 6000 square metres of cement breed pond, 4500 square metres Warm canopy is bred, the country's largest cray industrial seedling rearing base of the tail of shrimp seedling 500,000,000 can be bred year.But, due to hardware Too big, the close shrimp death rate of facility investment is too high, shrimp seedling batch is too small, it is impossible to meet the active demand in market.Existing shrimp rice is total to Make, its breeding way is relatively simple, purely simply both combine cultivation, the various problems in breeding process are not solved, because This cultivation efficiency etc. is extremely limited.How to break the bottleneck that cray breeds, explore high-quality, not only economy but also can criticize Amount production, the mode of reproduction of centralizedly supply, experts at different levels in all parts of the country and technical staff are constantly exploring.
The content of the invention
The present invention proposes a kind of method that cray shrimp rice makees ecologic breeding, breeds altogether, planted from rice field transformation, pasture and water, The aspects such as nutrition feeds, water level management, water quality adjustment carry out technological innovation, promote its natural mating, spawning and hatching, obtain shrimp Seedling.
The technical proposal of the invention is realized in this way:
A kind of method that cray shrimp rice makees ecologic breeding, breeds altogether, specifically includes following steps:
(1) rice field arranges:By rice field with 40 mu for a list, annular ditch is excavated along ridge outer rim, 2 are stayed in the middle of levee toe and ditch Rice platform wide, 4 meters or so of furrow width, 1.5 meters or so of ditch depth, ridge should be higher than that 0.6~0.8 meter of field face, and top is wide 2~3 meters, field Anti-escape network is set on the ridge;
(2) rice field is left nothing usable to the invading enemy:Use tea seed cake 30kg/667m3After immersion full pool spilling head or with rotenone one kind sterilization;
(3) pasture and water are transplanted:In rice field and shrimp ditch plantation waterweed, in January in October to next year, by waterweed or water caltrop grass Stem is cut into 15 centimetres, and 10 plants is a branch of, in insertion mud, about 5~8 meters of line-spacing.Treat that grass is survived, gradually add water, to submerge pasture and water end 10 centimetres of end;
(4) seed shrimp is put in a suitable place to breed:8~September part introduces seed shrimp, selects that color is dark red or dark red, glossy, body surface smooth is without attachment Thing, in more than 35g, appendage is complete, the disease-free high-quality seed shrimp strong without wound, physically fit, mobility, every mu of dispensing for male and female individuality 50 kilograms, old cultivation rice field then need to only mend goes and live with relatives this 10 kilograms, and female-male proportion is 3:1;
(5) shrimp seedling management:
Water quality management:Water quality management follows the principle of " rich water being kept before March, clear water is kept after March ", October After semilate rice harvesting, due to there being a large amount of straw in rice field, the straw organic fertilizer resource enough for cray provides after rotting, It is not required to fertilising, month November to next year 2, it then follows the principle timely and appropriate discovery fertilising of " based on base manure, supplemented by topdressing ";
The regulation and control of water level:Water level management follows the principle of " shallow-deep-shallow ", i.e. 10~November water level is shallow, keeps field face 0.2~0.3 meter of water level;2 months December~next years water level will be deepened, and keep 0.4~0.6 meter of water level;Water level is reduced after March, Keep 0.3~0.4 meter of water level;
Feedstuff feeding:When water temperature is less than less than 12 DEG C, feed can not be fed;March in next year, when water temperature rises to 16 DEG C More than start feeding;
(6) fishing for young shrimps:3~April lists fishing for young shrimps, while the close shrimp after by egg reproduction fishes for listing, 4 in the lump ~May is to catch stay greatly small when being harvested into shrimp, while the juvenile prawn for choosing health is mended and throws, early stage is to catch big when the 8-9 months fish for for the second time Stay small, the later stage be catch it is small stay big, the shrimp of big specification is left as the seed shrimp of seed breeding next year.
Preferably, in step (1), drainage mouth is located at rice field two ends respectively, and irrigation channel build the ridge of rice field one end in On, the water inlet elongated mesh bag filtered water inlet of 20 mesh prevents harmful organisms from entering rice field with current, and it is another that discharge outlet build rice field in The lower of one end annular ditch.
Preferably, with one in 2.5% rotenone emulsifiable solution 1300ml or 7.5% rotenone emulsifiable solution 700ml in step (2) Kind, trifoliate jewelvine missible oil is diluted with water 10~15 times by the used time, is fitted into full pond sprinkling in sprayer.
Preferably, base manure is mainly 100 kgs/acre or so of the organic manure applied by fermentation in step (5), often later The moon imposes 50 kgs/acre or so of muck once by fermentation, after March next year, water quality should be kept pure and fresh.
Preferably, also include in step (5):
Remove moss:By a winter, to be purged into March, method is splashed while hot with quick lime water, used It is 15kg/667m to measure3Water body, all around ditch can double to splash;
Epidemic disease prevention:Disinfection can use 0.2~0.5mg/L chlorine dioxide full pool spilling heads, and 10 days once;Virus type disease is pre- Anti- available 0.3~3.5mg/L PVP-I full pool spilling heads, 10 days once.
What the present invention was produced has the beneficial effect that:The rice field that the present invention is made altogether using shrimp rice, sufficient amount is delivered in 8~September Close shrimp, after breeding a collection of high-quality shrimp seedling, produce two batches commercial sized prawn, i.e. 3~April harvests a collection of shrimp seedling, and 4~May harvests first Commercial sized prawn is criticized, 8~September harvests second batch commercial sized prawn or close shrimp, improves the survival rate and output capacity of lobster.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below in conjunction with the embodiment of the present invention, Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
Since 2011, cray re-invent industry team of Qianjiang City lake directorial area family's kiln base behind Qianjiang City was carried out Cray rice field ecology raising technology is tested, and is established shrimp rice and is made 1000 mu of ecological breeding base altogether, from rice field transformation, pasture and water kind The aspects such as plant, nutrition feed, water level management, water quality adjustment carry out technological innovation, promote its natural mating, spawning and hatching, obtain Shrimp seedling, achieves breakthrough progress, then tail of per mu yield seed 30,000 or so, 75 kilograms of per mu yield commercial sized prawn.1000 mu of shrimp rice make altogether Breed the tail of high-quality shrimp seedling 30,000,000 in breeding base year.Its ecology breeds as follows:
First, mating system
Cray ecology breeds the rice field exactly made altogether using shrimp rice, and sufficient amount of close shrimp is delivered in 8~September, breeds After a collection of high-quality shrimp seedling, two batches commercial sized prawn is produced.That is 3~April harvests a collection of shrimp seedling, and 4~May harvests first commercial sized prawn, 8~ September harvests second batch commercial sized prawn or close shrimp.
So-called shrimp rice makees altogether, is belonging to the aquaculture model that a kind of breeding is combined, i.e., cray is cultivated in rice field and is planted One season semilate rice, cray is shared weal and woe with paddy rice in rice field during Rice Cropping.Specifically, it is exactly annual August to 9 Juvenile prawn is delivered after close shrimp, or September to October semilate rice harvesting are delivered before moon semilate rice harvesting, mid-April to the late May of Second Year receives Obtain into shrimp, while mend throw juvenile prawn, by the end of May, whole field, rice transplanting at the beginning of 6 months, 8, September harvest close shrimp or commercial sized prawn, so circulation is rotated Process.
(1) environmental condition
Environment is good, has abundant water resources, and irrigation and drainage are convenient, away from pollution sources, not sandy soil, the good rice field of water retention property. By qualified rice field, with 40 mu or so for a unit is transformed, annular ditch is excavated along ridge outer rim, in levee toe and ditch Between stay 2 meters of platforms wide.4 meters or so of furrow width, 1.5 meters or so of ditch depth.Increase, widen, reinforce ridge.Ridge often adds one when reinforcing Layer soil will be tamped.Ridge should be higher than that 0.6~0.8 meter of field face, and top is wide 2~3 meters;Anti-escape network should be set on ridge.Can Made of materials such as cement tile, plastic foils, anti-escape network is high 40 centimetres;Drainage mouth is located at rice field two ends respectively, and irrigation channel is built On the ridge of rice field one end, the water inlet elongated mesh bag filtered water inlet of 20 mesh prevents harmful organisms from entering rice field with current, Discharge outlet build the lower of rice field other end annular ditch in.
Leave nothing usable to the invading enemy in rice field.Easily grown in the bed mud and rice stubble in rice field the pathogenic microorganisms such as various parasite types, bacterium class and Conceal such as snakeheaded fish, finless eel and mud, batrachia and the various harmful organisms of leech and its ovum, their growths to cray seed Constitute very big threat.Full pool spilling head after being soaked with tea seed cake 30kg/667m3, or sterilized with rotenone:Every mu of 1 meter of depth of water, uses 2.5% rotenone emulsifiable solution 1300ml or 7.5% rotenone emulsifiable solution 700ml.Missible oil is diluted with water 10~15 times by the used time, is loaded Full pond sprinkling in sprayer.
Transplanting pasture and water.In rice field and shrimp ditch plantation waterweed.In January in October to next year, waterweed or water caltrop grass blade are cut Into 15 centimetres, 10 plants is a branch of, in insertion mud, about 5~8 meters of line-spacing.Treat that grass is survived, gradually add water, to submerge pasture and water end 10 Centimetre.
(2) dispensing and management of seed shrimp
Seed shrimp puts most important in a suitable place to breed, puts to plant and be successfully equal to whole breeding and hit half.8~September part, from provincial breeding Or natural water area introduce seed shrimp, select that color is dark red or dark red, glossy, body surface smooth without attachment, male and female individuality is in 35g More than, appendage is complete, the disease-free high-quality seed shrimp strong without wound, physically fit, mobility, and every mu is delivered 50 kilograms, and rice is cultivated always Field then need to only mend goes and live with relatives this 10 kilograms, and female-male proportion is 3:1.Prevent from extruding in transportation, be dehydrated, wind, Exposure to Sunlight are delivered When take multiple spot to deliver, it is ensured that the survival rate that seed shrimp is put in a suitable place to breed.
Cray May starts mating, and the close shrimp major part that 8~September is delivered has mated, and 8~October is that shrimp with ovums breeding is prosperous In season, cave is entered after close shrimp breeding, shrimp seedling is left parent and lived into water body.Management during seed shrimp breeds mainly is to maintain water Position is appropriate, water quality is pure and fresh, nutritional sufficiency.8~September suitably feeds animal fodder, to ensure there is enough nutrition when close shrimp breeds, Water level is shallow, keeps 0.2~0.3 meter of Soil surface water position.
(3) cultivating and managing of shrimp seedling
After October, large quantities of shrimp seedlings hatch successively, and to obtain high-quality shrimp seedling must just do cultivating and managing well.
1st, water quality management.Water quality management follows the principle of " rich water being kept before March, clear water is kept after March ".3 It is young shrimp growth phase before month, keeps rich water, wheel animalcule, cladocera and the Copepods etc. for cultivating shrimp seedling eating swims dynamic Thing, is juvenile shrimp cultivation and fishing for young shrimps phase after March as the agreeable to the taste bait of young shrimp, keeps clear water to be conducive to juvenile prawn to grow Occur with disease is reduced.
After the harvesting of October semilate rice, due to there being a large amount of straw in rice field, the straw after rotting is sufficient for cray provides The organic fertilizer resource of amount, is typically not required to fertilising.Month November to next year 2, it then follows the principle of " based on base manure, supplemented by topdressing " Timely and appropriate discovery applies fertilizer.Base manure is mainly using 100 kgs/acre or so of organic manure by fermentation, monthly imposes once later 50 kgs/acre or so of muck by fermentation.After March next year, water quality should be kept pure and fresh.
2nd, the regulation and control of water level.Water level management follows the principle of " shallow-deep-shallow ", i.e. 10~November water level is shallow, keeps field 0.2~0.3 meter of face water level;2 months December~next years water level will be deepened, and keep 0.4~0.6 meter of water level;March will reduce water level, protect 0.3~0.4 meter of water holding position.
3rd, feedstuff feeding.Hay varieties based on the plant feed such as wheat that feeds corn flour, wheat bran, crush, suitably Arrange in pairs or groups some fresh spiral shell a species of small clam living in fresh water freshwater mussel meat, small fish, the leftover bits and pieces in slaughterhouse.Animal fodder is shredded, after plant feed immersion Spread along full field and fed.Visually ingest situation, weather conditions, the height of temperature of day feeding volume is flexibly grasped, and adjusted in time.Work as water temperature During less than less than 12 DEG C, can not feed.March in next year, when water temperature rises to more than 16 DEG C, in addition to natural bait biology of ingesting, Also need to feed artifical compound feed.
4th, prevention of damage by disease.Disease control actively is carried out, the principle of " relying mainly on prevention, preventing and treating is combined " is adhered to.
(1) moss is removed.By a winter, many mosses are had in rice field, to be purged into March, otherwise can The vegetative activity of shrimp seedling is influenceed, method is splashed while hot with quick lime water, consumption is 15kg/667m3 water bodys, and all around ditch can To double to splash.
(2) Epidemic disease prevention.Disinfection can use 0.2~0.5mg/L chlorine dioxide full pool spilling heads, and 10 days once;Virus type Disease prevention can use 0.3~3.5mg/L PVP-I full pool spilling heads, and 10 days once;Can also be square using Chinese herbal medicine etc. is added in feed Method is prevented and treated.
(4) shrimp seedling is fished for, transported
3~April lists fishing for young shrimps, while the close shrimp after by egg reproduction fishes for listing in the lump.Typically use cage Fish for, mesh is advisable with 20mm, every mu of water surface places 1~2 cage, and cage moves to another place or direction for every 4~5 days.Sooner or later daily Pour out the shrimp in the string bag, by spawning after close shrimp and shrimp seedling packing, the prawn of not up to listing specification is put into water in time.Shrimp seedling Time in the string bag is unsuitable long, is usually no more than 12 hours and takes once.
The transport of shrimp seedling.Transported using dry method.During shipment, in one layer of pasture and water for more moistening of container bottom place mat, with Antifriction damages shrimp body, keeps the moistening of shrimp body, and each container dress shrimp quantity should not be too many, in case shrimp is pressed, suffocated, haulage vehicle Covered with motor van or with canvas, it is to avoid wind, Exposure to Sunlight, be dehydrated.Haulage time is unsuitable long, really needs long distance transportation, In way every 3~4 hours with cleaning Water spray 1 time.
The dispensing of shrimp seedling.Shrimp seedling is delivered and should carried out at fine day morning, dusk or cloudy day, it is to avoid direct sunlight.Before dispensing, will Container equipped with shrimp seedling carries out immersion 1~2 minute in being put into culturing pool, picks up, and repeats 1~2 time, makes the suitable just new water of shrimp seedling Body, is then slowly poured on pasture and water.The temperature difference is no more than 2 DEG C of
2nd, the advantage of the manner
1st, shrimp rice to make ecological breeding effect altogether notable.Batch shrimp seedling can be obtained by large-scale production, and can obtained preferably Economic benefit, moreover it is possible to make full use of rice field resource, by Rice Cropping, cray breed cultivation organically combine, followed by resource Ring is utilized, and is reached shrimp seedling, is synchronously increased production into shrimp, paddy rice, the purpose of product quality Synchronous lifting.
2nd, from the point of view of with state of the art and mode of reproduction, rice field is made altogether using shrimp rice, development cray ecology is bred and is Best mode of reproduction most economical, most direct, most effective at present, that mass marketed can be concentrated to supply.
3rd, the problem of cray fine-variety breeding.China cray is from the same a collection of cray of Japan, by more than 80 Year multiply and live, inbred phenomenon is very universal, it is possible to cause germ plasm resource to be degenerated, that slow-growing, disease is more etc. is all Many problems, can not introduce in the case that original producton location germplasm hybridizes existing, and in the Yangtze river basin, to carry out cray good for difference water system Plant family selective breeding and seem very necessary.
4th, shrimp rice breeds as ecology altogether, and the 4-5 months are to catch stay greatly small when being harvested into shrimp, while choose certain amount from other places being good for The juvenile prawn of health is mended and throws, and early stage is to catch stay greatly small when 8-9 months fishes for for the second time, the later stage be catch it is small stay greatly, the shrimp of big specification leaves work It is the seed shrimp of seed breeding next year, is thrown while choosing a number of high-quality seed shrimp from other places and mending.Rice field ecology is bred, from strange land To introduce juvenile prawn and seed shrimp carry out benefit throwing, it is to avoid the degeneration of cray germplasm, it is ensured that the high-quality of cray.
5th, in the case where current artificial shrimp seedling production can not form batch supply, take rice field ecology breed be it is a kind of very Good remedial measure.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (5)

1. a kind of method that cray shrimp rice makees ecologic breeding, breeds altogether, it is characterised in that specifically include following steps:
(1) rice field arranges:By rice field with 40 mu for a list, annular ditch is excavated along ridge outer rim, 2 meters wide are stayed in the middle of levee toe and ditch Platform, 4 meters or so of furrow width, 1.5 meters or so of ditch depth, ridge should be higher than that 0.6~0.8 meter of field face, and top is wide 2~3 meters, on ridge If anti-escape network;
(2) rice field is left nothing usable to the invading enemy:Use tea seed cake 30kg/667m3After immersion full pool spilling head or with rotenone one kind sterilization;
(3) pasture and water are transplanted:In rice field and shrimp ditch plantation waterweed, in January in October to next year, waterweed or water caltrop grass blade are cut Into 15 centimetres, 10 plants is a branch of, in insertion mud, about 5~8 meters of line-spacing.Treat that grass is survived, gradually add water, to submerge pasture and water end 10 Centimetre;
(4) seed shrimp is put in a suitable place to breed:8~September part introduces seed shrimp, select that color is dark red or dark red, glossy, body surface smooth without attachment, , in more than 35g, appendage is complete, the disease-free high-quality seed shrimp strong without wound, physically fit, mobility, and every mu is delivered 50 for male and female individuality Kilogram, old cultivation rice field then need to only mend goes and live with relatives this 10 kilograms, and female-male proportion is 3:1;
(5) shrimp seedling management:
Water quality management:Water quality management follows the principle of " rich water being kept before March, clear water is kept after March ", October semilate rice After harvesting, due to there being a large amount of straw in rice field, the straw organic fertilizer resource enough for cray provides after rotting is not required to Fertilising, month November to next year 2, it then follows the principle timely and appropriate discovery fertilising of " based on base manure, supplemented by topdressing ";
The regulation and control of water level:Water level management follows the principle of " shallow-deep-shallow ", i.e. 10~November water level is shallow, keeps Soil surface water position 0.2~0.3 meter;2 months December~next years water level will be deepened, and keep 0.4~0.6 meter of water level;Water level is reduced after March, is kept 0.3~0.4 meter of water level;
Feedstuff feeding:When water temperature is less than less than 12 DEG C, feed can not be fed;March in next year, when water temperature rises to more than 16 DEG C Start feeding;
(6) fishing for young shrimps:3~April lists fishing for young shrimps, while the close shrimp after by egg reproduction fishes for listing, 4~5 in the lump The moon is to catch stay greatly small when being harvested into shrimp, while the juvenile prawn for choosing health is mended and throws, early stage is to catch to stay greatly when the 8-9 months fish for for the second time It is small, the later stage be catch it is small stay big, the shrimp of big specification is left as the seed shrimp of seed breeding next year.
2. the method that a kind of cray shrimp rice as claimed in claim 1 makees ecologic breeding, breeds altogether, it is characterised in that step (1) in, drainage mouth is located at rice field two ends respectively, and irrigation channel built on the ridge of rice field one end, the water inlet length of 20 mesh Type mesh bag filtered water inlet, prevents harmful organisms from entering rice field with current, and discharge outlet build the lower of rice field other end annular ditch in.
3. the method that a kind of cray shrimp rice as claimed in claim 1 makees ecologic breeding, breeds altogether, it is characterised in that step (2) with one kind in 2.5% rotenone emulsifiable solution 1300ml or 7.5% rotenone emulsifiable solution 700ml in, the used time adds water trifoliate jewelvine missible oil 10~15 times of dilution, is fitted into full pond sprinkling in sprayer.
4. the method that a kind of cray shrimp rice as claimed in claim 1 makees ecologic breeding, breeds altogether, it is characterised in that step (5) base manure is mainly using 100 kgs/acre or so of organic manure by fermentation in, monthly imposes once later by fermentation 50 kgs/acre or so of muck, after March next year, water quality should be kept pure and fresh.
5. the method that a kind of cray shrimp rice as claimed in claim 1 makees ecologic breeding, breeds altogether, it is characterised in that step (5) also include in:
Remove moss:By a winter, to be purged into March, method is splashed while hot with quick lime water, and consumption is 15kg/667m3Water body, all around ditch can double to splash;
Epidemic disease prevention:Disinfection can use 0.2~0.5mg/L chlorine dioxide full pool spilling heads, and 10 days once;Virus type disease prevention can With 0.3~3.5mg/L PVP-I full pool spilling heads, 10 days once.
CN201611248407.1A 2016-12-29 2016-12-29 A kind of method that cray shrimp rice makees ecologic breeding, breeds altogether Pending CN106797900A (en)

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CN107494100A (en) * 2017-09-30 2017-12-22 福娃集团有限公司 A kind of rice shrimp set of three season of season rice shrimp supports aquaponic method
CN108782384A (en) * 2018-05-15 2018-11-13 九江凯瑞生态农业开发有限公司 The method that one seed shrimp rice makees altogether
CN108782383A (en) * 2018-05-14 2018-11-13 霍邱县朱塔寺粮食种植专业合作社 A kind of rice field cray cultural method
CN109874619A (en) * 2019-04-02 2019-06-14 淮阴师范学院 A kind of breeding method of rice shrimp continuous cropping
CN109937931A (en) * 2019-04-03 2019-06-28 江苏省农业科学院宿迁农科所 A method of Procambius clarkii, which is carried out, using winter-fallowed paddy field breeds in situ
CN109997755A (en) * 2019-05-24 2019-07-12 杨晓成 A kind of rice shrimp aquaculture method
CN110367161A (en) * 2019-08-23 2019-10-25 上海海洋大学 A kind of big specification breeding selection of cray
CN110476852A (en) * 2019-09-18 2019-11-22 武汉双水双绿科技产业有限公司 The cray method for culturing seedlings and rice shrimp that rice shrimp makees altogether make breeding method altogether
CN110476618A (en) * 2019-08-23 2019-11-22 全椒县赤镇龙虾经济专业合作社 A kind of caterpillar band harvester device
CN110506587A (en) * 2019-09-03 2019-11-29 六安市叶集区桃源家庭农场 Disease control cultural method coexists in a kind of rice lobster
CN110558261A (en) * 2019-09-17 2019-12-13 南京沃盾生物技术有限公司 Breeding method for improving shelling success rate and turnover rate of crayfishes
CN111011278A (en) * 2019-11-04 2020-04-17 安徽省农业科学院水产研究所 Breeding method for improving survival rate of procambarus clarkii bred in rice field
CN111418532A (en) * 2020-05-06 2020-07-17 陈晓方 Method for layered breeding of crayfish fries in rice field
CN111642433A (en) * 2020-06-13 2020-09-11 胡杨 Water plant planting and moss prevention and control method for crayfishes cultured in rice field
CN112021220A (en) * 2020-07-20 2020-12-04 余庆县兴民城乡经济统筹发展有限责任公司 Crayfish breeding method

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CN107258411A (en) * 2017-06-20 2017-10-20 合肥卓畅农业科技有限公司 The method for supporting freshwater shrimp is covered in a kind of rice terrace
CN107278744A (en) * 2017-07-13 2017-10-24 长沙开拓农业科技有限公司 A kind of flowers and fruits shrimp aquaculture method
CN107494100A (en) * 2017-09-30 2017-12-22 福娃集团有限公司 A kind of rice shrimp set of three season of season rice shrimp supports aquaponic method
CN108782383A (en) * 2018-05-14 2018-11-13 霍邱县朱塔寺粮食种植专业合作社 A kind of rice field cray cultural method
CN108782384A (en) * 2018-05-15 2018-11-13 九江凯瑞生态农业开发有限公司 The method that one seed shrimp rice makees altogether
CN109874619A (en) * 2019-04-02 2019-06-14 淮阴师范学院 A kind of breeding method of rice shrimp continuous cropping
CN109937931A (en) * 2019-04-03 2019-06-28 江苏省农业科学院宿迁农科所 A method of Procambius clarkii, which is carried out, using winter-fallowed paddy field breeds in situ
CN109997755A (en) * 2019-05-24 2019-07-12 杨晓成 A kind of rice shrimp aquaculture method
CN110367161A (en) * 2019-08-23 2019-10-25 上海海洋大学 A kind of big specification breeding selection of cray
CN110476618A (en) * 2019-08-23 2019-11-22 全椒县赤镇龙虾经济专业合作社 A kind of caterpillar band harvester device
CN110506587A (en) * 2019-09-03 2019-11-29 六安市叶集区桃源家庭农场 Disease control cultural method coexists in a kind of rice lobster
CN110558261A (en) * 2019-09-17 2019-12-13 南京沃盾生物技术有限公司 Breeding method for improving shelling success rate and turnover rate of crayfishes
CN110476852A (en) * 2019-09-18 2019-11-22 武汉双水双绿科技产业有限公司 The cray method for culturing seedlings and rice shrimp that rice shrimp makees altogether make breeding method altogether
CN110476852B (en) * 2019-09-18 2022-01-18 武汉双水双绿科技产业有限公司 Rice and shrimp co-culture planting and breeding method
CN111011278A (en) * 2019-11-04 2020-04-17 安徽省农业科学院水产研究所 Breeding method for improving survival rate of procambarus clarkii bred in rice field
CN111418532A (en) * 2020-05-06 2020-07-17 陈晓方 Method for layered breeding of crayfish fries in rice field
CN111642433A (en) * 2020-06-13 2020-09-11 胡杨 Water plant planting and moss prevention and control method for crayfishes cultured in rice field
CN111642433B (en) * 2020-06-13 2021-10-01 湖北天湖蛋禽股份有限公司 Water plant planting and moss prevention and control method for crayfishes cultured in rice field
CN112021220A (en) * 2020-07-20 2020-12-04 余庆县兴民城乡经济统筹发展有限责任公司 Crayfish breeding method

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