CN105660497B - The cultural method of cray - Google Patents
The cultural method of cray Download PDFInfo
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- CN105660497B CN105660497B CN201610209615.4A CN201610209615A CN105660497B CN 105660497 B CN105660497 B CN 105660497B CN 201610209615 A CN201610209615 A CN 201610209615A CN 105660497 B CN105660497 B CN 105660497B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a kind of cultural method of cray, 1) place is built：Including water plant standby pool, ecological pool and at shrimp ponds；2) shrimp species are cultivated；3) nursery；4) it is divided into seedlings；5) adult shrimp breeding；6) lobster manages：1. diseases prevention water transfer；2. oxygenation.The present invention is by being provided with water plant standby pool, ecological pool, and at shrimp ponds, storage pond, holding pond and shelling dedirt pond carry out intensive concentration to cray and cultivate, and with solution, low output is easily escaped, poor quality, and winter the problems such as sells without shrimp；The per mu yield for improving cray, makes into 1200 jin or so of shrimp ponds per mu yield.
Description
Technical field
The invention belongs to the technical fields of the cultivation of fish, mussel, crayfish, lobster, sponge, pearl etc., are specifically related to
A kind of cultural method of cray.
Background technology
Freshwater crayfish meat flavour is delicious, full of nutrition, is high protein, low fat and high-energy, nutritious health food,
It is a kind of global edible shrimps, just becomes the important foodstuffs source of the European people in 18th century.China eats freshwater crayfish
History start from the 1960s, as consumer promotes the extensive publicity of the understanding of freshwater crayfish and media, fresh water
Cray food generally enters restaurant, hotel, supermarket and Domestic dining table, and cray demand is very vigorous, due to excessive
Fishing, there is a serious shortage of commercial sized prawn quality is irregular for wild resource；For southwest, the cray source of goods is insufficient, in winter
Substantially without finished product shrimp；And cray aquaculture model majority is the extensive cultivation of ditching formula, rice field is foster etc. altogether, and per mu yield is not generally high.
Invention content
In view of this, the purpose of the present invention is to provide a kind of cultural method of cray, the cultural method of the cray
By being provided with water plant standby pool, ecological pool, at shrimp ponds, storage pond, holding pond and shelling dedirt pond carry out intensive concentration to cray
Cultivation, to solve, low output easily escapes, poor quality, and winter the problems such as sells without shrimp；The per mu yield for improving cray, makes into shrimp ponds mu
1200 jin or so of yield.
In order to achieve the above object, a kind of cultural method of cray of the present invention, its step are as follows：
1) place is built：Including water plant standby pool, ecological pool and at shrimp ponds；
Water plant standby pool：It is 2~5% to account for site area, and common Tu Chi or paddy field, the depth of water are 0.8~1 meter；
Ecological pool：Tu Chi, it is 70~75% to account for site area, and the pond ridge is 1.2~1.5 meters a height of, bottom width is 2.5~3.5
Rice, ridge face width are 1.5 meters, are designed into draining by the principle of enterprising lower row, and the ecological pool area of covering 1/3~1/ can be planted in water body
2 wild rice stem；Plant water peanut and/or timothy in the sides Chi Geng；
At shrimp ponds：It is 20~25% to account for site area, and size is with 0.4~0.8 mu；Surrounding Chi Geng needs to harden, into row
Water is perfect, and 0.4~0.6 meter of Wide Worktable is built at high 1~1.2 meter of the pond ridge, and platform is 0.5~0.8 meter high from the faces Chi Geng, platform
Upper kind be implanted with water peanut and/or water spinach, embedded escape-preventing structure is built up in ridge face with brick, is equipped with aerator oxygenation；At in shrimp ponds
1/3~1/2 area kind is implanted with wild rice stem or 1/5~2/5 area kind is implanted with water hyacinth；
2) shrimp species are cultivated：It reserves seed for planting shrimp by the standard of 50~70 jin of ecological pool per acre；Autumn selects build strong, and vitality is strong
At shrimp；Male and female be separately placed on clearly the pool at reinforced cultivating conservation inside shrimp ponds, in winter seed shrimp male and female 1：1 pro rate
Inside to each ecological pool, prepare to produce seedling per year；
3) nursery：When season arrives, lures and concentrates production seedling in the parent shrimp with animalism to specified ecological pool,
Reduce infringements of the Qiu Miao to spring seedling；When growth of seedling to a certain extent when can utilize weather and flowing water that it is lured and is come out to
It is grown in each ecological pool, disperseed the density of nursery pond in this way and reduces the damage for manually turning seedling；
4) it is divided into seedlings：Before the annual Summer Solstice arrives, successively in each ecological pool seedling and be assigned to by size at shrimp each
It is a in shrimp ponds；
5) adult shrimp breeding：Feed selects the reinforcing buoyancy material cooperation duckweed raising of high protein, and dispensing will be pinpointed by putting seedling initial stage
Around in water plant band, the shrimp habituation once or so week is gathered in climbing in water plant around and ingests feed, sooner or later each daily
It feeds intake primary, August part is only thrown primary daily；It is implanted with duckweed at kind in shrimp ponds pond, the cultivation later stage reduces feed injected volume；
6) lobster manages：
1. diseases prevention water transfer：Put seedling a few days ago use lime water sterilization, in cultivation water transfer be very important link, the annual Summer Solstice
Just sub- the pin hydrochlorate and ammonia nitrogen etc. of bottom are improved, cray mistake is given with the modifying agent regulating water quality of regular producer before time arrival
Summer provides safeguard；
2. oxygenation：Aerator oxygenation in 2 hours is kept daily；Weather increases the aerator oxygenation time when having change.
Further, further include storage pond, holding pond and shelling dedirt pond in step 1)：The storage pond, holding pond is built in around house,
Embedded brick mixing cement pond, it is 0.6~0.8 meter high, size is built according to cultivation scale and is built, microporous aeration disc is equipped with；
The dedirt that shells pond：It is built in around house, the preceding place that can be irradiated to three hours or so is advisable under sun west, interior
Embedded brick mixing cement pond, 0.5~0.8 meter high, rectangle structure are equipped with microporous aeration disc and the porous miniflow waterpipe of a row.
Further, in step 4), it is 3.5 ten thousand tails or so per acre to put seedling standard at shrimp ponds.
Further, further include that lobster concentrates shelling in step 6)：In at shrimp ponds, individual is small, and iron shrimp etc. is not easy to take off
Shell, it is slow-growing, it can focus on inside shelling pond, make to fix water level in shelling pond, using pipeline miniflow water, allow inside pond
Water be flow circuit, and a small amount of salt is added in water.
The beneficial effects of the present invention are：
The cultural method of cray of the present invention by the cultural method of cray by being provided with water plant standby pool, ecology
Pond, at shrimp ponds, storage pond, holding pond and shelling dedirt pond carry out intensive concentration to cray and cultivate, and to solve, low output is easily escaped, product
Matter is poor, and winter the problems such as sells without shrimp；The per mu yield for improving cray, makes into 1200 jin or so of shrimp ponds per mu yield.
Specific implementation mode
A kind of cultural method of cray of the present invention, its step are as follows：
1) place is built：Including water plant standby pool, ecological pool and at shrimp ponds；
Water plant standby pool：It is 2~5% to account for site area, and common Tu Chi or paddy field, the depth of water are 0.8~1 meter；
Ecological pool：Tu Chi, it is 70~75% to account for site area, and the pond ridge is 1.2~1.5 meters a height of, bottom width is 2.5~3.5
Rice, ridge face width are 1.5 meters, are designed into draining by the principle of enterprising lower row, and the ecological pool area of covering 1/3~1/ can be planted in water body
2 wild rice stem；Water peanut and/or timothy are planted in the sides Chi Geng, and the general water plant survival of rhizome and leaf ratio of wild rice stem is more permanent, more luxuriant
It is close, it can be overwintering；It can enjoy the cool to cray in summer leaf, winter can give cray cold-proof；
At shrimp ponds：It is 20~25% to account for site area, and size is with 0.4~0.8 mu；Surrounding Chi Geng needs to harden, into row
Water is perfect, and 0.4~0.6 meter of Wide Worktable is built at high 1~1.2 meter of the pond ridge, and platform is 0.5~0.8 meter high from the faces Chi Geng, platform
Upper kind be implanted with water peanut and/or water spinach, embedded escape-preventing structure is built up in ridge face with brick, is equipped with aerator oxygenation；At in shrimp ponds
1/3~1/2 area kind is implanted with wild rice stem or 1/5~2/5 area kind is implanted with water hyacinth, and platform is used in shrimp shelling or anoxic climbing,
Ordinary water level can flood 0.1-0.2 meters or so of platform；Embedded brick can prevent shrimp from fleeing, this is than color steel, asbestos shingle, mesh sheet etc.
It is all handy, it is durable；
2) shrimp species are cultivated：It reserves seed for planting shrimp by the standard of 50~70 jin of ecological pool per acre；Autumn selects build strong, and vitality is strong
At shrimp；Male and female be separately placed on clearly the pool at reinforced cultivating conservation inside shrimp ponds, in winter seed shrimp male and female 1：1 pro rate
Inside to each ecological pool, prepare to produce seedling per year；
3) nursery：When season arrives, lures and concentrates production seedling in the parent shrimp with animalism to specified ecological pool,
Reduce infringements of the Qiu Miao to spring seedling；When growth of seedling to a certain extent when can utilize weather and flowing water that it is lured and is come out to
It is grown in each ecological pool, disperseed the density of nursery pond in this way and reduces the damage for manually turning seedling；
4) it is divided into seedlings：Before the annual Summer Solstice arrives, successively in each ecological pool seedling and be assigned to by size at shrimp each
It is a in shrimp ponds；
5) adult shrimp breeding：Feed selects the reinforcing buoyancy material cooperation duckweed raising of high protein, and dispensing will be pinpointed by putting seedling initial stage
Around in water plant band, the shrimp habituation once or so week is gathered in climbing in water plant around and ingests feed, sooner or later each daily
It feeds intake primary, August part is only thrown primary daily；It is implanted with duckweed at kind in shrimp ponds pond, the cultivation later stage reduces feed injected volume；
6) lobster manages：
1. diseases prevention water transfer：Put seedling a few days ago use lime water sterilization, in cultivation water transfer be very important link, the annual Summer Solstice
Just sub- the pin hydrochlorate and ammonia nitrogen etc. of bottom are improved, cray mistake is given with the modifying agent regulating water quality of regular producer before time arrival
Summer provides safeguard；
2. oxygenation：Aerator oxygenation in 2 hours is kept daily；Weather increases the aerator oxygenation time when having change.
Further, further include storage pond, holding pond and shelling dedirt pond in step 1)：The storage pond, holding pond is built in around house,
Embedded brick mixing cement pond, it is 0.6~0.8 meter high, size is built according to cultivation scale and is built, microporous aeration disc is equipped with；
The dedirt that shells pond：It is built in around house, the preceding place that can be irradiated to three hours or so is advisable under sun west, interior
Embedded brick mixing cement pond, 0.5~0.8 meter high, rectangle structure are equipped with microporous aeration disc and the porous miniflow waterpipe of a row.
Further, in step 4), it is 3.5 ten thousand tails or so per acre to put seedling standard at shrimp ponds.
Further, further include that lobster concentrates shelling in step 6)：In at shrimp ponds, individual is small, and iron shrimp etc. is not easy to take off
Shell, it is slow-growing, it can focus on inside shelling pond, make to fix water level in shelling pond, using pipeline miniflow water, allow inside pond
Water be flow circuit, and a small amount of salt is added in water, not only accelerates the de-hulling process of cray in this way, it is thus also avoided that
Cray comes to harm and infects in de-hulling process；By open pipe miniflow water, is concentrated by special technique and strengthen shelling.It is de-
The shrimp of complete shell goes to after storage pond, holding pond the inside rejuvenates and puts back into shrimp ponds.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of cultural method of cray, it is characterised in that：Its step are as follows：
1) place is built：Including water plant standby pool, ecological pool and at shrimp ponds；
Water plant standby pool：Site area 2~5%, common Tu Chi or paddy field are accounted for, the depth of water is 0.8~1 meter；
Ecological pool：Tu Chi, it is 70~75% to account for site area, and the pond ridge is 1.2~1.5 meters a height of, bottom width is 2.5~3.5 meters, pond
Ridge face width is 1.5 meters, is designed into draining by the principle of enterprising lower row, the hay of the ecological pool area of plantation covering 1/3~1/2 in water body
In vain；Plant water peanut or timothy in the sides Chi Geng；
At shrimp ponds：It is 20~25% to account for site area, and size is 0.4~0.8 mu；Surrounding Chi Geng needs to harden, into having drained
It is kind, and in 0.4~0.6 meter of Wide Worktable of high 1~1.2 meter place's construction in the pond ridge, platform is 0.5~0.8 meter high from the faces Chi Geng, on platform
Water peanut or water spinach are planted, embedded escape-preventing structure is built up in the faces Chi Geng with brick, is equipped with aerator oxygenation；At in shrimp ponds 1/3~
1/2 area plants wild rice stem or 1/5~2/5 area plants water hyacinth；
2) shrimp species are cultivated：It reserves seed for planting shrimp by the standard of 50~70 jin of ecological pool per acre；Autumn selects build strong, vitality it is strong at
Shrimp；Male and female be separately placed on clearly the pool at reinforced cultivating conservation inside shrimp ponds, seed shrimp male and female are pressed 1 in winter：1 pro rate
Inside to each ecological pool, prepare to produce seedling per year；
3) nursery：It lures and concentrates production seedling in parent shrimp to specified ecological pool, reduce infringement of the autumn seedling to spring seedling；Work as growth of seedling
They are lured using weather and flowing water when to a certain extent and is grown in each ecological pool, in this way disperse nursery pond density and
It reduces and is damaged caused by manually turning seedling；
4) it is divided into seedlings：Before the annual Summer Solstice arrives, successively in each ecological pool seedling and be assigned to by size at shrimp each at shrimp
Chi Li；
5) adult shrimp breeding：Feed selects the reinforcing buoyancy material cooperation duckweed raising of high protein, and dispensing feed will be pinpointed by putting seedling initial stage
Around in water plant band, launches to be gathered in climb in water plant around once all left and right shrimp habituation and ingest, it is sooner or later each daily to throw
Material is primary, and a feed is only thrown daily to August part；It is implanted with duckweed at kind in shrimp ponds, feed is reduced in the cultivation later stage in this way and launches
Amount；
6) cray manages：
1. diseases prevention water transfer：Put seedling a few days ago use lime water sterilization, in cultivation water transfer be very important link, annual time in the Summer Solstice
The nitrite and ammonia nitrogen of bottom just are improved with the modifying agent regulating water quality of regular producer before arriving, summer offer is crossed to cray
It ensures；
2. oxygenation：Aerator oxygenation in 2 hours is kept daily；Weather increases the aerator oxygenation time when having change.
2. the cultural method of cray according to claim 1, it is characterised in that：Further include storage pond, holding pond in step 1)
With shelling dedirt pond：The storage pond, holding pond is built in around house, embedded brick mixing cement pond, 0.6~0.8 meter high, according to cultivation
Scale is built, and microporous aeration disc is equipped with；
The dedirt that shells pond：It is built in around house, the preceding place that can be irradiated to three hours or so is advisable under sun west, embedded
Brick mixing cement pond, 0.5~0.8 meter high, rectangle structure are equipped with microporous aeration disc and the porous miniflow waterpipe of a row.
3. the cultural method of cray according to claim 2, it is characterised in that：In step 4), seedling mark is put at shrimp ponds
Standard is 3.5 ten thousand tails or so per acre.
4. the cultural method of cray according to claim 3, it is characterised in that：Further include cray in step 6)
Concentrate shelling：In at shrimp ponds, individual is small, and iron shrimp is not easy to shell, slow-growing, focuses on inside shelling dedirt pond, makes to take off
Shell dedirt fixes water level in pond, using pipeline miniflow water, allows the water inside pond to be flow circuit, and a small amount of salt is added in water
Bar.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109566504A (en) * | 2019-01-28 | 2019-04-05 | 合肥市大邵生态农业有限公司 | A kind of cray cultural method |
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| CN107231916A (en) * | 2017-06-20 | 2017-10-10 | 金寨新天地现代农业有限公司 | A kind of method that lobster is raised together with the wild rice stem plantation pool |
| CN108338106A (en) * | 2018-02-13 | 2018-07-31 | 深圳市福田区动物防疫监督所 | The cultural method of cray |
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