CN108040942A - A kind of steamed crab cultural method - Google Patents
A kind of steamed crab cultural method Download PDFInfo
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- CN108040942A CN108040942A CN201711420429.6A CN201711420429A CN108040942A CN 108040942 A CN108040942 A CN 108040942A CN 201711420429 A CN201711420429 A CN 201711420429A CN 108040942 A CN108040942 A CN 108040942A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000007844 bleaching agent Substances 0.000 claims abstract description 10
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 7
- 239000000292 calcium oxide Substances 0.000 claims abstract description 7
- 201000010099 disease Diseases 0.000 claims abstract description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 7
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims description 9
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 230000000366 juvenile effect Effects 0.000 claims description 6
- 241000894007 species Species 0.000 claims description 6
- 239000003643 water by type Substances 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 3
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 3
- 241000404975 Synchiropus splendidus Species 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- -1 i.e. Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims description 3
- 239000008239 natural water Substances 0.000 claims description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 244000052769 pathogen Species 0.000 claims description 3
- 230000001717 pathogenic effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000384 rearing effect Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 230000008439 repair process Effects 0.000 claims description 2
- 241001609213 Carassius carassius Species 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- 235000013372 meat Nutrition 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- OQVYMXCRDHDTTH-UHFFFAOYSA-N 4-(diethoxyphosphorylmethyl)-2-[4-(diethoxyphosphorylmethyl)pyridin-2-yl]pyridine Chemical compound CCOP(=O)(OCC)CC1=CC=NC(C=2N=CC=C(CP(=O)(OCC)OCC)C=2)=C1 OQVYMXCRDHDTTH-UHFFFAOYSA-N 0.000 description 1
- 241000238421 Arthropoda Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of steamed crab cultural methods, include the following steps：Cultivate the selection on ground, the plantation of natural feed and dispensing, the dispensing of seedling crab, Water quality monitoring and management, disease control；Selection water quality is good, the preferable position of traffic power is as cultivation ground, seed carries out disinfection to cultivation ground pond with quick lime and bleaching powder before launching, plant the natural plants bait such as water plant simultaneously, cost payout is reduced, observes steamed crab upgrowth situation, timely processing disease problem in time, the present invention carries out scientific culture according to the life habit of steamed crab, there is fast, the positive feeding of growth, shorten the growth cycle of steamed crab, the economic benefit and social benefit of steamed crab cultivation can be effectively improved.
Description
Technical field
The present invention relates to aquaculture fields, are specially a kind of steamed crab cultural method.
Background technology
Crab is Arthropoda, Crustachia, Decapoda, Reptantia；Crab is shellfish, their body
It is protect by hard shell, crab eats, and is the most suitable in or so October, particularly steamed crab receives people in October
Favorable comment, then judge the delicious degree of steamed crab generally with whether the crab cream of female crab delicious and amount of crab cream, male crab with
The delicious degree of crab crea and the amount of crab crea, while the meat consolidation of crab meat, color is delicate, and meat is more, and it is edible when, can give people
Body provide nutriment, more than requirement a preferable breeding way is required for obtain.
The content of the invention
The object of the present invention is to provide a kind of steamed crab cultural methods, have and cultivate convenient, environmentally protective, aquaculture cost
The characteristics of low, frog seedling grow the features such as rapid disease is few, solve the problems of the prior art.
To achieve the above object, the present invention provides following technical solution：A kind of steamed crab cultural method, including walking as follows
Suddenly：Cultivate the selection on ground, the plantation of natural feed and dispensing, the dispensing of seedling crab, Water quality monitoring and management, disease control.
Further, the selection on ground is cultivated：It closes on based on natural water source, big lake, great river, upstream is preferred without factory, along water
15 kilometers of source region is without population domestic sewage, and factory's blowdown, most avoiding water head site has chemical enterprise, and pond surrounding Ba Geng slopes ratio is 3：
1,1.2 meters of height of dam, surrounding opens 50 centimeters of back-shaped ditches in 3 meters wide gentle slope, depth 0.8-2 meters of pond, and 0.5-1.2 meters of the depth of water needs simultaneously
In pond, surrounding sets up anti-escape wire net, and pond surrounding is surrounded using 0.5-0.8 meters of wide bolting silks, the embedment of bolting silk half
Underground, 2 meters of high supporting rods are set up every 1.5-2 meters, and supporting rod in depth descends 0.3-0.5 meters, 55 mesh are set up above supporting rod
Wire netting is protected, and before nursery is launched for the first time, should first be filled pond water to 1 meter of depth, be checked water quality situation and repair pond
Gaps and omissions place, then according to circumstances carries out disinfection to pond, generally uses quick lime full pool spilling head, per acre dosage 200-250
Kilogram, thoroughly cleaned up the pond disinfection with reaching, removal of impurities is except open country, killing germ, improves the purpose of substrate, 7 days after medicine, i.e., water 1
It is secondary, to exclude dirt, then shine the pool and add water after 3-5 days.
Further, the plantation and dispensing of natural feed：It is opened after circular groove Nei Yile grass has been carried (after 300 jin of fresh grass of mu)
Beginning puts back to water, and after three days, carries out first time rich water, rich water is cultivated simultaneously using long-acting organic fertilizer+various bacterium sources, by water
Body is maintained at plate field 50Cm or so, can launch the biological feedstuffs such as river snail at this time, requires spiral shell in 60-80 per acre, 500-800 jins,
Using artificial and ship, screw is put into ditch for disposable pond-inputting, notices that avoiding Da Dui is put into, avoid temperature it is low when be put into, the pool mouthful
It is interior to launch mandarin fish it is necessary to discharge a certain amount of various fish to carry out water quality balance and carry out optimizing water quality, 5-18 or so per acre
It is advisable, is determined according to trash fish amount in water body；In addition the juvenile fish of 2 per jin of 3 flower silver carps (1 white 10 is yellow) is put into per acre；And it puts
Enter the local crucian of one jin 20 or so, 2 jin or so, half jin/item of belt crucian, one per acre.
Further, the dispensing of seedling crab：Juvenile crab is sterilized before dispensing, uniformly separated by size, when dispensing is thrown with purse seine
It is placed in waters, crab is allowed, which to adapt to environment, can just remove purse seine after 1 month；General crab species, which are put in a suitable place to breed, will accomplish " three is suitable ", " one temporarily supports "
Principle, i.e. suitable density, put in a suitable place to breed in due course, and moderate specification after first temporarily supporting with putting in a suitable place to breed, and water cannot be too deep when putting in a suitable place to breed, with 1.5-2 meters
It is advisable；Temperature is most suitable in 20-25 degree, and it is 300 or so generally to launch specification per acre, and crab species put the time in a suitable place to breed generally annual
Be advisable by the end of February to March.
Further, Water quality monitoring and management：Pond inspection is patrolled, early, middle and late daily respectively to patrol the pool 1 time, high temperature season is per 2-3
It adds water 1 time, and continuous high temperature side adds waterside to change water, while takes oxygenation measure, and the 3-5 month depth of waters rest in 0.5-0.6 meters,
Zanjon ensures 1 meter, controls in 6-8 months 1.2-1.5 meters (high temperature season can suitably deepen water level), the 9-11 months, steady part was scheduled on
1.0-1.2 meters, 1.5 meters of water in ditch first exclude bottom of pond old water when changing water, each quantity of exchanged water controls the 1/5 of pool water within, adds water should
Selection carries out in morning or the morning, ensures that water body dissolved oxygen should be throughout the year maintained at more than 7.5 mg/litres, pH stablizes in 6.50-
Between 8.50, dinitrogen is less than 0.02 mg/litre, nitrite is less than 0.2 mg/litre, hydrogen sulfide is less than 0.1 mg/litre.
Further, disease control：It puts prevention first, anti-overweight is controlled, and seed puts preceding quick lime in a suitable place to breed or pond cleaning with bleaching powder disappears
Poison kills harmful organisms and pathogen, and timing bleaching powder or strong chlorine oil full pool spilling head sterilize, and divides behind pond with 20 mg/litres
Liquor potassic permanganate carry out disinfection to frog body, prevent mechanical damage；It was found that sick crab, dead crab choose isolated rearing, and fit in time
When high concentration bleaching powder or disinfecting solution of potassium permanganate.
Beneficial effects of the present invention：The present invention carries out scientific culture according to the life habit of steamed crab, have growth it is fast,
The characteristics of positive feeding, shortens the growth cycle of steamed crab, and the economic benefit and society that can effectively improve steamed crab cultivation are imitated
Benefit.
Specific embodiment
Below in conjunction with invention, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only part of the embodiment of the present invention, instead of all the embodiments；Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiments obtained without making creative work, belongs to
The scope of protection of the invention.
Embodiment：A kind of steamed crab cultural method, includes the following steps：
(1) selection on cultivation ground：It closes on based on natural water source, big lake, great river, upstream is preferred without factory, along watershed 15
Kilometer is without population domestic sewage, and factory's blowdown, most avoiding water head site has chemical enterprise, and pond surrounding Ba Geng slopes ratio is 3：1, height of dam
1.2 meters, surrounding opens 50 centimeters of back-shaped ditches in 3 meters wide gentle slope, depth 0.8-2 meters of pond, 0.5-1.2 meters of the depth of water, while needs in pond
Surrounding sets up anti-escape wire net, and pond surrounding is surrounded using 0.5-0.8 meters of wide bolting silks, bolting silk half embedment underground, often
2 meters of high supporting rods are set up every 1.5-2 meters, supporting rod in depth descends 0.3-0.5 meters, 55 mesh wire nettings are set up above supporting rod
It is protected, before nursery is launched for the first time, should first be filled pond water to 1 meter of depth, with checking water quality situation and repairerment pond gaps and omissions
Side, then according to circumstances carries out disinfection to pond, generally uses quick lime full pool spilling head, per acre 200-250 kilograms of dosage, with
Reach and thoroughly clean up the pond disinfection, removal of impurities kills germ except open country, improves the purpose of substrate, 7 days after medicine, i.e., water 1 time, with exclusion
Then dirt shines the pool and adds water after 3-5 days.
(2) plantation and dispensing of natural feed：Start to put back to (after 300 jin of fresh grass of mu) after circular groove Nei Yile grass has been carried
Water, and after three days, first time rich water is carried out, rich water using long-acting organic fertilizer+various bacterium sources is cultivated, water body is kept simultaneously
In plate field, 50Cm or so, can launch the biological feedstuffs such as river snail at this time, require spiral shell in 60-80 per acre, 500-800 jins, disposably
Using artificial and ship, screw is put into ditch for pond-inputting, notices that avoiding Da Dui is put into, avoid temperature it is low when be put into, having in the pool mouthful must
It discharges a certain amount of various fish and carries out water quality balance, launch mandarin fish and carry out optimizing water quality, 5-18 or so are advisable per acre,
It is determined according to trash fish amount in water body；In addition the juvenile fish of 2 per jin of 3 flower silver carps (1 white 10 is yellow) is put into per acre；And it is put into one
The local crucian of jin 20 or so, 2 jin or so, half jin/item of belt crucian, one per acre.
(3) dispensing of seedling crab：Juvenile crab is sterilized before dispensing, uniformly separated by size, launched with purse seine in water during dispensing
In domain, crab is allowed, which to adapt to environment, can just remove purse seine after 1 month；General crab species, which are put in a suitable place to breed, will accomplish " three is suitable ", " one temporarily supports " principle,
That is suitable density is put in a suitable place to breed in due course, and for moderate specification with being put in a suitable place to breed after first temporarily supporting, water cannot be too deep when putting in a suitable place to breed, is advisable with 1.5-2 meters；
Temperature is most suitable in 20-25 degree, and it is 300 or so generally to launch specification per acre, and crab species put the time in a suitable place to breed generally at annual 2 months
Bottom to March is advisable.
(4) Water quality monitoring and management：Pond inspection is patrolled, early, middle and late daily respectively to patrol the pool 1 time, high temperature season added water per 2-3 days
1 time, continuous high temperature side adds waterside to change water, while takes oxygenation measure, and the 3-5 month depth of waters rest in 0.5-0.6 meters, and zanjon is protected
1 meter of card is controlled 1.2-1.5 meters (high temperature season can suitably deepen water level) in 6-8 months, and the 9-11 months, steady part was scheduled on 1.0-1.2
Meter, 1.5 meters of water in ditch first excludes bottom of pond old water when changing water, each quantity of exchanged water controls the 1/5 of pool water within, adds water that should select insulting
Morning or the morning carry out, and ensure that water body dissolved oxygen should be throughout the year maintained at more than 7.5 mg/litres, and pH stablizes between 6.50-8.50, point
Sub- nitrogen is less than 0.02 mg/litre, nitrite is less than 0.2 mg/litre, hydrogen sulfide is less than 0.1 mg/litre.
(5) disease prevention：It puts prevention first, anti-overweight is controlled, and seed puts preceding quick lime or pond cleaning with bleaching powder disinfection in a suitable place to breed, kills
It goes out harmful organisms and pathogen, and timing bleaching powder or the disinfection of strong chlorine oil full pool spilling head, divides behind pond with the height of 20 mg/litres
Potassium manganate solution carries out disinfection to frog body, prevents mechanical damage；It was found that sick crab, dead crab choose isolated rearing, and use in due course in time
The bleaching powder or disinfecting solution of potassium permanganate of high concentration.
In summary：The present invention carries out scientific culture according to the life habit of steamed crab, has and grows fast, positive feeding
The characteristics of, the growth cycle of steamed crab is shortened, economic benefit and social benefit that steamed crab cultivates can be effectively improved.
The basic principles, main features and the advantages of the invention, the skill of the industry has been shown and described above
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, this
A little changes and improvements all fall within the protetion scope of the claimed invention, and the claimed scope of the invention is by appended claim
Book and its equivalent thereof.
Claims (1)
1. a kind of steamed crab cultural method, it is characterised in that：Include the following steps：Cultivate selection, the plantation of natural feed on ground
With dispensing, the dispensing of seedling crab, Water quality monitoring and management, disease control；
(1) selection on cultivation ground：It closes on based on natural water source, big lake, great river, upstream is preferred without factory, along 15 kilometers of watershed
Without population domestic sewage, factory's blowdown, most avoiding water head site has chemical enterprise, and pond surrounding Ba Geng slopes ratio is 3：1,1.2 meters of height of dam,
Surrounding opens 50 centimeters of back-shaped ditches in 3 meters wide gentle slope, depth 0.8-2 meters of pond, 0.5-1.2 meters of the depth of water, while needs to set in pond surrounding
Anti-escape wire net is found, pond surrounding is surrounded using 0.5-0.8 meters of wide bolting silks, bolting silk half embedment underground, every 1.5-2
Rice sets up 2 meters of high supporting rods, and supporting rod in depth descends 0.3-0.5 meters, and setting up 55 mesh wire nettings above supporting rod is protected,
Before nursery is launched for the first time, first pond water should be filled to 1 meter of depth, check water quality situation and repairs pond gaps and omissions place, Ran Hougen
It carries out disinfection according to situation to pond, quick lime full pool spilling head is generally used, per acre 200-250 kilograms of dosage, to reach thorough
Clean up the pond disinfection, removal of impurities kills germ except open country, improves the purpose of substrate, 7 days after medicine, i.e., water 1 time, to exclude dirt, then shine
The pool adds water after 3-5 days；
(2) plantation and dispensing of natural feed：Start to put back to water (after 300 jin of fresh grass of mu) after circular groove Nei Yile grass has been carried, and
After three days, first time rich water is carried out, rich water is cultivated simultaneously using long-acting organic fertilizer and various bacterium sources, and water body is maintained at plate field
50Cm or so, can launch the biological feedstuffs such as river snail at this time, require spiral shell in 60-80 per acre, 500-800 jins, disposable pond-inputting makes
Manually and ship, screw is put into ditch, notices that avoiding Da Dui is put into, avoid temperature it is low when be put into, it is necessary to discharge one in the pool mouthful
Quantitative various fish carry out water quality balance, launch mandarin fish and carry out optimizing water quality, 5-18 items are advisable per acre, according to trash fish amount in water body
It determines；In addition the juvenile fish of 2 per jin of 3 flower silver carps (1 white 10 is yellow) is put into per acre；And it is put into the local crucian carp of one jin 20 or so
Fish, 2 jin or so, half jin/item of belt crucian, one per acre；
(3) dispensing of seedling crab：Juvenile crab is sterilized before dispensing, uniformly separated by size, launched with purse seine in waters during dispensing,
Crab is allowed, which to adapt to environment, can just remove purse seine after 1 month；General crab species, which are put in a suitable place to breed, will accomplish " three is suitable ", " one temporarily supports " principle, i.e., appropriate
Density is put in a suitable place to breed in due course, and for moderate specification with being put in a suitable place to breed after first temporarily supporting, water cannot be too deep when putting in a suitable place to breed, is advisable with 1.5-2 meters；Temperature exists
20-25 degree are most suitable, and it is 300 or so generally to launch specification per acre, and crab species put the time in a suitable place to breed generally annual by the end of February to March
Part is advisable；
(4) Water quality monitoring and management：Pond inspection is patrolled, early, middle and late daily respectively to patrol the pool 1 time, high temperature season added water per 2-3 days 1 time,
Continuous high temperature side adds waterside to change water, while takes oxygenation measure, and the 3-5 month depth of waters rest in 0.5-0.6 meters, and zanjon ensures 1 meter,
It controls in 6-8 months 1.2-1.5 meters (high temperature season can suitably deepen water level), the 9-11 months, steady part was scheduled on 1.0-1.2 meters, Gou Zhongshui
1.5 meters, first exclude bottom of pond old water when changing water, the 1/5 of each quantity of exchanged water control pool water within, add water should select morning or the morning into
Row ensures that water body dissolved oxygen should be throughout the year maintained at more than 7.5 mg/litres, and pH stablizes between 6.50-8.50, and dinitrogen is less than
0.02 mg/litre, nitrite are less than 0.2 mg/litre, hydrogen sulfide is less than 0.1 mg/litre；
(5) disease control：It puts prevention first, anti-overweight is controlled, and seed puts preceding quick lime or pond cleaning with bleaching powder disinfection in a suitable place to breed, kills enemy
Biology and pathogen, and timing bleaching powder or strong chlorine oil full pool spilling head sterilize are divided molten with the potassium permanganate of 20 mg/litres behind pond
Liquid carries out disinfection to frog body, prevents mechanical damage；It was found that sick crab, dead crab choose isolated rearing in time, and in due course with high concentration
Bleaching powder or disinfecting solution of potassium permanganate.
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| CN201711420429.6A CN108040942A (en) | 2017-12-25 | 2017-12-25 | A kind of steamed crab cultural method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109197712A (en) * | 2018-08-10 | 2019-01-15 | 苏州市相城区阳澄湖镇东枪塘水产养殖专业合作社 | A kind of high-quality steamed crab cultural method |
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Application publication date: 20180518 |