CN106172099B - A kind of inexpensive high yield environment-protecting cultivation method of crab - Google Patents
A kind of inexpensive high yield environment-protecting cultivation method of crab Download PDFInfo
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- CN106172099B CN106172099B CN201610530973.5A CN201610530973A CN106172099B CN 106172099 B CN106172099 B CN 106172099B CN 201610530973 A CN201610530973 A CN 201610530973A CN 106172099 B CN106172099 B CN 106172099B
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- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 210000000232 gallbladder Anatomy 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 235000014786 phosphorus Nutrition 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
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- 241000270666 Testudines Species 0.000 description 1
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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
-
- 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
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention proposes a kind of inexpensive high yield environment-protecting cultivation methods of crab, include the following steps: S1, choose to cultivation；S2, pond construction；S3, preparation of ponds disinfection；S4, pond ecological Building environment；S5, seed are put in a suitable place to breed；S6, water level regulation and nursing management: feed management: April is based on concentrated feed；The 5-6 month is aided with vegetal bait wheat, corn based on putting into animal bait；At the beginning of mid-July to August based on plant feed pumpkin, wheat and corn, supplemented by animal bait；8-9 month based on animal bait, is aided with wheat and corn；S7, disease control.Crab cultivation method aquaculture cost of the invention is low, and yield is high, and crab is high-quality, can effectively improve the economic benefit of crab cultivation, and small to farm's environmental pollution, ecological, environmental protective.
Description
Technical field
The present invention relates to technical field of aquaculture more particularly to a kind of inexpensive high yield environment-protecting cultivation methods of crab.
Background technique
Crab is delicious and tasty, full of nutrition, crab most flavor especially after people's winter.Crab is zoologically being subordinate to segmental appendage
Animal door, Crustachia, Decapoda, Grapsidae, suede are gone to live in the household of one's in-laws on getting married crab category.China is originated in, since two big huge legendary turtle goes up dense villus, thus animal
Scholar is referred to as Eriocheir japonica sinensis, and crab is then its alias, in addition, there are also river crabs, eriocheir sinensis, steamed crab, clear for different places
The alias such as water eriocheir sinensis.
In recent years, due to the needs of ever-increasing domestic demand and foreign exchange earning of foreign trade, the culture fishery in China by
It walks and develops to intensive, scale direction.Crab is as a kind of good aquatic resources and breed variety, because of its unique wind
Taste, nutrition and economic value and the favor increasingly by vast aquatic products person.However, being produced pursuing foreign exchange earning number, pursuing
Under the premise of being worth growth rate, it is with future of overdrawing that the high speed development of aquaculture industry, which is exchanged for high cost, poor benefit,
Resource and environment be what cost obtained, excessively cause to cultivate water ring by the aquaculture model etc. of external inputs and resources height consumption
Border status allows of no optimist.
It is very high to propagate requirement of the crab to farm artificially, cultivates the pond of crab at present, it is desirable that area is generally at 1-5 mus
It is advisable, crab pond condition is had abundant water resources, and water quality is good, and Inlet and outlet water is convenient, and the depth of water is generally preferably 1-1.5 meters.Crab bottom of pond quality is most
It is well sandy loam, gravel soil, venting capability is good, is conducive to water plant, bottom is dwelt the growth and breedings of animals and plants, can provide for crab naturally
Feed, bottom of pond silt depth are usually no more than 5 centimetres.The surrounding in crab pond should build escaping-preventing facilities, such as brick wall, plastic film.Crab
The intake-outlet application wire netting in pond blocks, to prevent crab flight.In the prior art, the pond of crab is propagated artificially to natural ring
The requirement in border is too high, it is not easy to find suitable farm.
According to the life habit of crab, crab is liked at the pond edge Wei Geng, and crab is bellicose, flood competition is strong,
The density that crab can be cultivated in ordinary pond is smaller.The density that conventional method cultivates crab is high, sows before and after the Qing Ming Day bitter
Grass, eel grass need in 12 DEG C or more ability germination and growths, largely are clamped by crab in high temperature season eel grass, cause seriously to water environment
It destroys, it is therefore desirable to largely manually the eel grass being discharged into river is fished for from the crab pool, expend a large amount of manpower, water plant in the crab pool
Missing lead to crab pool deteriorating water quality, oxygen content decline influences the growth of crab.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of inexpensive high yield environment-protecting cultivation of crab
Method, aquaculture cost is low, and yield is high, and crab is high-quality, can effectively improve the economic benefit of crab cultivation, and to farm
Environmental pollution is small, ecological, environmental protective.
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer≤10 centimetre, pond area are 20-30 mus；
S2, pond construction: foot 2-4 meters from ridge digging annular ditch of pond surrounding；Intermediate 1-1.5 meters of furrow width, deep 0.5-0.6
Rice；Ditch area accounts for pond gross area 28-32%, and entire ditch system interconnects, and is in " well " font；Slope ratio is 1:3-4；Maximum stage
Reach 1-2 meters；Inside sets escaping-preventing facilities on the ridge, is buried in the earth 10-20 centimetres with thickening plastic film, and 60 centimetres above ground level,
Quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；1-2 meters of high protective nets of peripheral hardware；Water inlet and water outlet are used poly-
The covering of ethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is thousand grams/acre of 75-100；
S4, pond ecological Building environment: planting waterweed the no careless pond 2-3 month, and sowing quantity is thousand grams/acre of 45-55；The 3-5 month
Interval sowing hydrilla verticillata, 450-550 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 60-70% in the middle and later periods；Without spiral shell
Spiral shell is launched in pond in batches, launches thousand grams/acre of spiral shell 200-250 before annual clear and bright, and when dispensing will uniformly let go；Spiral shell amount is
Thousand grams/acre of 180-220；
S5, seed are put in a suitable place to breed: the 7-10 days new water of filling before juvenile crab is put in a suitable place to breed；Select the four limbs complete, no disease, mobility is strong
Juvenile crab；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed；Crab species early period separates culture in enclosure with mesh sheet, and area is pond face
Long-pending 1/4-1/3；By the end of May to the mesh sheet that can remove enclosure at the beginning of 6 months when long to 8-12 centimetres of water plant；Crab species be 120-160 only/
Kilogram, stocking rate be 450-550 only/mu, put 4-5 centimetres of mandarin fish seedling 10-20 tail, 2 centimetres or more freshwater shrimp 0.5-1.5 in a suitable place to breed per acre
Ten thousand tails and oogenesis freshwater shrimp 0.1-0.2kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.6-0.9 meters, gradually adds water, the 4-5 month later
Most deep water level is maintained at 0.8-1.0 meters；Kept for most deep water level 1.6-2.0 meters into the high temperature season 7-8 month, transparency is in 45-55
Centimetre；
Feed management: April, the fresh weight of bait accounted for the 10-20% of crab weight based on concentrated feed, and daily inventory is 1.5-
2.5kg/ mu；The 5-6 month with animal bait put into based on (account for total abundance of food 50-70%), be aided with vegetal bait wheat, corn,
The fresh weight of bait accounts for the 15-30% of crab weight, and daily inventory is 2.5-3.5kg/ mus；With plant feed at the beginning of mid-July to August
(total abundance of food 45-55% is accounted for) based on pumpkin, wheat and corn, and supplemented by animal bait, the fresh weight of bait accounts for the 20- of crab weight
35%, every double centner pumpkin need to add 0.5-1 kilograms of salt, and inventory is 5.5-6.5kg/ mus；8-9 month is with animal bait
Main (accounting for 60-70%) is aided with wheat and corn, and the fresh weight of bait accounts for the 25-40% of crab weight, and inventory is 6.5-8.5kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is thousand grams/acre of 10-15, is made
PH value is maintained at 8.0-9.0；The 6-8 month, every 45-55 kilograms of bait increase 0.5-1.5 kilograms of garlic.
Preferably, in S2, the furrow width of annular ditch is 6-8 meters, and the depth of annular ditch is 0.8-1 meters.
Preferably, in S5, examination water transition method particularly includes: the mesh bag equipped with crab species is immersed into 2-4 in water for the first time
Minute, it has carried and has placed 3-5 points kinds, repeated 2-3 times；Then it is carried out disinfection, is immersed in salt water 2-3 minutes with the saline solution of 2-4%,
It has carried and has placed 5-7 points kinds；Sack is opened on last pool water within side, is allowed it to climb into water naturally, is uniformly scattered along pool surrounding as far as possible.
Preferably, in S6, the raw material of concentrated feed includes: 5-15 parts of soy protein concentrate, crystal amino acid 2-8 by weight
Part, 3-9 parts of corn protamine, hydrolysis fish protein 1-6 parts, 0.2-0.8 parts of fish meal, 1-3 parts of cotton dregs, 2-4 parts of Kelp Powder, wheat
1-5 parts of powder, 2-5 parts of wheat bran, 1-4 parts of fish oil, 2-6 parts of soya-bean oil, 1-3 parts of lecithin, 2-5 parts of Astragalus Root P.E, shrimp shell meal 1-4
Part, 2-5 parts of mineral substance premix, 3-6 parts of vitamin premix, 1-4 parts of mould inhibitor, 2-5 parts of phagostimulant, 1-4 parts of beta glucan,
2-4 parts of ethoxyquinoline, 3-5 parts of microcrystalline cellulose.
Preferably, in S6, in the raw material of concentrated feed, vitamin premix is given birth to by thiamine, vitamin A, vitamin B1, dimension
Plain B5, vitamin C, vitamine D3, vitamin E, pantothenic acid, choline, folic acid, inositol and microcrystalline cellulose are by weight 2-4:3-6:
1-5:2-4:1-3:0.5-1.5:0.6-1.2:1.5-2.5:0.4-0.9:0.6-1.2:0.9- 1.3:1.2-1.8.
Preferably, in S6, in the raw material of concentrated feed, phagostimulant is mixed by glycine and glycine betaine by weight 1-3:2-5
It forms.
Preferably, in S6, in the raw material of concentrated feed, mineral substance premix by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate,
Ferric sulfate, zinc sulfate, manganese sulfate, magnesium sulfate, calcium dihydrogen phosphate, sodium chloride and zeolite powder are by weight 1-3:2-4:1-5:3-6:
1-3:2-5:1-4:1-3:2-5:1-4:2-5.
The inexpensive high yield environment-protecting cultivation method of crab of the invention is chosen by cultivation, pond construction, preparation of ponds
Disinfection, pond ecological Building environment, seed are put in a suitable place to breed, water level regulation, feed management and disease control, have built the excellent of crab growth
Good environment, improves breeding efficiency, and the yield and quality of crab is effectively improved；Utilize the concentrated feed and ecosystem of configuration
Bait in system has not only effectively facilitated the growth and breeding of crab, has improved the yield and quality of crab, and can be significantly
The injected volume for saving bait, reduces aquaculture cost, and then greatly reduces the water eutrophication that residual bait causes in bed mud enrichment
Change, reduce the environmental pollution of farm, is beneficial to environmental protection.Crab cultivation method aquaculture cost of the invention is low, and yield is high, crab
Crab is high-quality, can effectively improve the economic benefit of crab cultivation, and small to farm's environmental pollution, ecological, environmental protective.
Specific embodiment
The present invention is described in detail combined with specific embodiments below, it should be appreciated that embodiment is served only for illustrating this hair
It is bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent replacement etc. are in this hair
In bright protection scope.
Embodiment 1
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer are 10 centimetres, and pond area is 25 mu；
S2, pond construction: the furrow width of 3 meters from ridge foot digging annular ditch of pond surrounding, annular ditch is 7 meters, and the depth of annular ditch is
0.9 meter；Intermediate 1.3 meters of furrow width, it is 0.55 meter deep；Ditch area accounts for the pond gross area 30%, and entire ditch system interconnects, and is in " well "
Font；Slope ratio is 1:3.5；Maximum stage reaches 1.5 meters；Inside sets escaping-preventing facilities on the ridge, is buried in the earth with thickening plastic film
15 centimetres, 60 centimetres above ground level, quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；1.5 meters of height of peripheral hardware are anti-
Protective net；Water inlet and water outlet are covered with polyethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is 85,000 grams/acre；
S4, pond ecological Building environment: without the 2 months kind waterweeds in careless pond, sowing quantity is 50,000 grams/acre；April interval sowing
Hydrilla verticillata, 500 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 65% in the middle and later periods；Spiral shell is launched in batches in no spiral shell pond
Snail, launches 225,000 grams/acre of spiral shell before annual clear and bright, when dispensing will uniformly let go；Spiral shell amount is 200,000 grams/acre；
S5, seed are put in a suitable place to breed: juvenile crab is put in a suitable place to breed first 8 days and fills new water；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed, examination water transition method particularly includes: crab species will be housed for the first time
Mesh bag immerses in water 3 minutes, has carried and has placed 4 points of kinds, has been repeated 3 times；Then it is carried out disinfection, is immersed in salt water with 3% saline solution
It 2.5 minutes, has carried and has placed 6 points of kinds；Sack is opened on last pool water within side, allows it to climb into water naturally, surrounding is uniform along the pool as far as possible
It scatters；Crab species early period separates culture in enclosure with mesh sheet, and area is the 1/4 of pond area；By the end of May to long to 10 lis to water plant at the beginning of 6 months
Meter Shi Ke removes the mesh sheet of enclosure；Crab species are 140/kilogram, and stocking rate is 500/mu, put 4.5 centimetres of mandarin fish seedlings in a suitable place to breed per acre
15 tails, 2 centimetres or more 1.0 ten thousand tail of freshwater shrimp and oogenesis freshwater shrimp 0.15kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.75 meter, gradually adds water later, and April is most deep
Water level is maintained at 0.9 meter；Kept for most 1.8 meters of deep water level into high temperature season August, transparency is at 50 centimetres；
Feed management: April, the fresh weight of bait accounted for the 15% of crab weight based on concentrated feed, and daily inventory is 2.0kg/ mus；6
Month with animal bait put into based on (account for total abundance of food 60%), be aided with vegetal bait wheat, corn, the fresh weight of bait accounts for crab
The 23% of weight, daily inventory are 3.0kg/ mus；It (is accounted for based on plant feed pumpkin, wheat and corn at the beginning of mid-July to August
Total abundance of food 50%), supplemented by animal bait, the fresh weight of bait accounts for the 27% of crab weight, and every double centner pumpkin need to add salt 0.75 thousand
Gram, inventory is 6.0kg/ mus；August part (accounts for 65%) based on animal bait, is aided with wheat and corn, and the fresh weight of bait accounts for
The 30% of crab weight, inventory are 7.5kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is 12.5 thousand grams/acre, is made
PH value is maintained at 8.5；July, every 50 kilograms of bait increase 1 kilogram of garlic.
Embodiment 2
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer are 9 centimetres, and pond area is 20 mu；
S2, pond construction: the furrow width of 2 meters from ridge foot digging annular ditch of pond surrounding, annular ditch is 8 meters, and the depth of annular ditch is
0.8 meter；Intermediate 1.5 meters of furrow width, it is 0.5 meter deep；Ditch area accounts for the pond gross area 32%, and entire ditch system interconnects, and is in " well " word
Type；Slope ratio is 1:3；Maximum stage reaches 2 meters；Inside sets escaping-preventing facilities on the ridge, is buried in the earth 10 centimetres with thickening plastic film,
60 centimetres above ground level, quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；2 meters of high protective nets of peripheral hardware；Water inlet
And water outlet is covered with polyethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is 75,000 grams/acre；
S4, pond ecological Building environment: without the 2 months kind waterweeds in careless pond, sowing quantity is 55,000 grams/acre；March interval sowing
Hydrilla verticillata, 550 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 60% in the middle and later periods；Spiral shell is launched in batches in no spiral shell pond
Snail, launches 250,000 grams/acre of spiral shell before annual clear and bright, when dispensing will uniformly let go；Spiral shell amount is 180,000 grams/acre；
S5, seed are put in a suitable place to breed: juvenile crab is put in a suitable place to breed first 7 days and fills new water；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed, examination water transition method particularly includes: crab species will be housed for the first time
Mesh bag immerses in water 4 minutes, has carried and has placed 3 points of kinds, has been repeated 3 times；Then it is carried out disinfection, is immersed in salt water with 2% saline solution
It 3 minutes, has carried and has placed 5 points of kinds；Sack is opened on last pool water within side, is allowed it to climb into water naturally, is uniformly dissipated along pool surrounding as far as possible
It opens；Crab species early period separates culture in enclosure with mesh sheet, and area is the 1/3 of pond area；By the end of May at the beginning of 6 months when long to 8 centimetres of water plant
The mesh sheet of enclosure can be removed；Crab species are 160/kilogram, and stocking rate is 450/mu, put 5 centimetres of 10 tails of mandarin fish seedling, 2 in a suitable place to breed per acre
Centimetre or more 1.5 ten thousand tail of freshwater shrimp and oogenesis freshwater shrimp 0.1kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.6 meter, later gradually plus water, May most deep water
Position is maintained at 0.8 meter；Kept for most 1.6 meters of deep water level into high temperature season August, transparency is at 55 centimetres；
Feed management: April, the fresh weight of bait accounted for the 10% of crab weight based on concentrated feed, and daily inventory is 1.5kg/ mus；6
Month with animal bait put into based on (account for total abundance of food 50%), be aided with vegetal bait wheat, corn, the fresh weight of bait accounts for crab
The 30% of weight, daily inventory are 3.5kg/ mus；It (is accounted for based on plant feed pumpkin, wheat and corn at the beginning of mid-July to August
Total abundance of food 45%), supplemented by animal bait, the fresh weight of bait accounts for the 35% of crab weight, and every double centner pumpkin need to add salt 0.5 thousand
Gram, inventory is 5.5kg/ mus；September part (accounts for 60%) based on animal bait, is aided with wheat and corn, and the fresh weight of bait accounts for
The 40% of crab weight, inventory are 8.5kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is 10,000 grams/acre, makes pH
Value is maintained at 9.0；June, every 55 kilograms of bait increase 0.5 kilogram of garlic.
In S6, the raw material of concentrated feed includes: 5 parts of soy protein concentrate, 2-8 parts of crystal amino acid, precision corn by weight
9 parts of albumen, hydrolysis 1 part of fish protein, 0.8 part of fish meal, 1 part of cotton dregs, 4 parts of Kelp Powder, 1 part of wheat flour, 5 parts of wheat bran, fish oil 1
Part, 6 parts of soya-bean oil, 1 part of lecithin, 5 parts of Astragalus Root P.E, 1 part of shrimp shell meal, 5 parts of mineral substance premix, 3 parts of vitamin premix,
4 parts of mould inhibitor, 2 parts of phagostimulant, 4 parts of beta glucan, 2 parts of ethoxyquinoline, 5 parts of microcrystalline cellulose.In the raw material of concentrated feed, dimension
Raw element premix is by thiamine, vitamin A, vitamin B1, vitamin B5, vitamin C, vitamine D3, vitamin E, pantothenic acid, gallbladder
Alkali, folic acid, inositol and microcrystalline cellulose are by weight 2:6:1:4:1:1.5:0.6:2.5:0.4:1.2:0.9:1.8.Concentrated feed
Raw material in, phagostimulant is mixed by glycine and glycine betaine by weight 1:5.In the raw material of concentrated feed, minerals premix
Material is by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate, ferric sulfate, zinc sulfate, manganese sulfate, magnesium sulfate, calcium dihydrogen phosphate, sodium chloride
With zeolite powder by weight 1:4:1:6:1:5:1:3:2:4:2.
Embodiment 3
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer are 8 centimetres, and pond area is 30 mu；
S2, pond construction: 4 meters from ridge foot digging annular ditch of pond surrounding, the furrow width of annular ditch are 6 meters, and the depth of annular ditch is 1
Rice；Intermediate 1-1.5 meters of furrow width, it is 0.6 meter deep；Ditch area accounts for the pond gross area 28%, and entire ditch system interconnects, and is in " well " word
Type；Slope ratio is 1:4；Maximum stage reaches 1 meter；Inside sets escaping-preventing facilities on the ridge, is buried in the earth 20 centimetres with thickening plastic film,
60 centimetres above ground level, quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；1 meter of high protective net of peripheral hardware；Water inlet
And water outlet is covered with polyethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is double centner/mu；
S4, pond ecological Building environment: without careless kind waterweed in pond March, sowing quantity is 45,000 grams/acre；May interval sowing
Hydrilla verticillata, 450 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 70% in the middle and later periods；Spiral shell is launched in batches in no spiral shell pond
Snail, launches 200,000 grams/acre of spiral shell before annual clear and bright, when dispensing will uniformly let go；Spiral shell amount is 220,000 grams/acre；
S5, seed are put in a suitable place to breed: juvenile crab is put in a suitable place to breed first 10 days and fills new water；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed, examination water transition method particularly includes: crab species will be housed for the first time
Mesh bag immerses in water 2 minutes, has carried and has placed 5 points of kinds, has been repeated 2 times；Then it is carried out disinfection, is immersed in salt water with 4% saline solution
It 2 minutes, has carried and has placed 7 points of kinds；Sack is opened on last pool water within side, is allowed it to climb into water naturally, is uniformly dissipated along pool surrounding as far as possible
It opens；Crab species early period separates culture in enclosure with mesh sheet, and area is the 1/4 of pond area；By the end of May to long to 12 centimetres to water plant at the beginning of 6 months
When can remove the mesh sheet of enclosure；Crab species be 120/kilogram, stocking rate be 550/mu, put in a suitable place to breed per acre 4 centimetres of 20 tails of mandarin fish seedling,
2 centimetres or more 0.5 ten thousand tails of freshwater shrimp and oogenesis freshwater shrimp 0.2kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.9 meter, later gradually plus water, April most deep water
Position is maintained at 1.0 meters；Kept for most 2.0 meters of deep water level into high temperature season July, transparency is at 45 centimetres；
Feed management: April, the fresh weight of bait accounted for the 20% of crab weight based on concentrated feed, and daily inventory is 2.5kg/ mus；5
Month with animal bait put into based on (account for total abundance of food 70%), be aided with vegetal bait wheat, corn, the fresh weight of bait accounts for crab
The 15% of weight, daily inventory are 2.5kg/ mus；It (is accounted for based on plant feed pumpkin, wheat and corn at the beginning of mid-July to August
Total abundance of food 55%), supplemented by animal bait, the fresh weight of bait accounts for the 20% of crab weight, and every double centner pumpkin need to add 1 kilogram of salt,
Inventory is 6.5kg/ mus；August part (accounts for 70%) based on animal bait, is aided with wheat and corn, and the fresh weight of bait accounts for crab weight
25%, inventory be 6.5kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is 15,000 grams/acre, makes pH
Value is maintained at 8.0；August, every 45 kilograms of bait increase 1.5 kilograms of garlic.
In S6, the raw material of concentrated feed includes: 15 parts of soy protein concentrate, 2 parts of crystal amino acid, precision corn egg by weight
White 9 parts, hydrolysis 1 part of fish protein, 0.8 part of fish meal, 1 part of cotton dregs, 4 parts of Kelp Powder, 1 part of wheat flour, 5 parts of wheat bran, 1 part of fish oil,
6 parts of soya-bean oil, 5 parts of Astragalus Root P.E, 1 part of shrimp shell meal, 5 parts of mineral substance premix, 3 parts of vitamin premix, is prevented 1 part of lecithin
Mould dose 4 parts, 2 parts of phagostimulant, 4 parts of beta glucan, 2 parts of ethoxyquinoline, 5 parts of microcrystalline cellulose.In the raw material of concentrated feed, dimension life
Plain premix is by thiamine, vitamin A, vitamin B1, vitamin B5, vitamin C, vitamine D3, vitamin E, pantothenic acid, gallbladder
Alkali, folic acid, inositol and microcrystalline cellulose are by weight 4:3:5:2:3:0.5:1.2:1.5:0.9:0.6:1.3:1.2.Concentrated feed
Raw material in, phagostimulant is mixed by glycine and glycine betaine by weight 3:2.In the raw material of concentrated feed, minerals premix
Material is by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate, ferric sulfate, zinc sulfate, manganese sulfate, magnesium sulfate, calcium dihydrogen phosphate, sodium chloride
With zeolite powder by weight 3:2:5:3:3:2:4:1:5:1:5.
Embodiment 4
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer are 6 centimetres, and pond area is 28 mu；
S2, pond construction: 2.5 meters from ridge foot digging annular ditch of pond surrounding, the furrow width of annular ditch are 7.5 meters, annular ditch
Depth is 0.8 meter；Intermediate 1.4 meters of furrow width, it is 0.52 meter deep；Ditch area accounts for the pond gross area 31%, and entire ditch system interconnects, and is in
" well " font；Slope ratio is 1:3.2；Maximum stage reaches 1.8 meters；Inside sets escaping-preventing facilities on the ridge, is embedded to plastic film is thickeied
12 centimetres in soil, 60 centimetres above ground level, quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；1.8 meters of peripheral hardware
High protective net；Water inlet and water outlet are covered with polyethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is 80,000 grams/acre；
S4, pond ecological Building environment: without the 2 months kind waterweeds in careless pond, sowing quantity is 52,000 grams/acre；March interval sowing
Hydrilla verticillata, 520 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 62% in the middle and later periods；Spiral shell is launched in batches in no spiral shell pond
Snail, launches 240,000 grams/acre of spiral shell before annual clear and bright, when dispensing will uniformly let go；Spiral shell amount is 190,000 grams/acre；
S5, seed are put in a suitable place to breed: juvenile crab is put in a suitable place to breed first 8 days and fills new water；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed, examination water transition method particularly includes: crab species will be housed for the first time
Mesh bag immerses in water 3.5 minutes, has carried and has placed 3.5 points of kinds, has been repeated 3 times；Then it is carried out disinfection, is immersed with 2.5% saline solution
3 minutes in salt water, carries and placed 5.5 points of kinds；Sack is opened on last pool water within side, allows it to climb into water naturally, as far as possible along the pool four
Week uniformly scatters；Crab species early period separates culture in enclosure with mesh sheet, and area is the 1/3 of pond area；By the end of May to long to water plant at the beginning of 6 months
The mesh sheet of enclosure can be removed when to 9 centimetres；Crab species are 150/kilogram, and stocking rate is 460/mu, put 5 centimetres of mandarin fishes in a suitable place to breed per acre
12 tail of seedling, 2 centimetres or more 1.2 ten thousand tail of freshwater shrimp and oogenesis freshwater shrimp 0.12kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.7 meter, later gradually plus water, May most deep water
Position is maintained at 0.85 meter；Kept for most 1.7 meters of deep water level into high temperature season August, transparency is at 52 centimetres；
Feed management: April, the fresh weight of bait accounted for the 12% of crab weight based on concentrated feed, and daily inventory is 1.8kg/ mus；6
Month with animal bait put into based on (account for total abundance of food 65%), be aided with vegetal bait wheat, corn, the fresh weight of bait accounts for crab
The 16% of weight, daily inventory are 3.2kg/ mus；It (is accounted for based on plant feed pumpkin, wheat and corn at the beginning of mid-July to August
Total abundance of food 52%), supplemented by animal bait, the fresh weight of bait accounts for the 25% of crab weight, and every double centner pumpkin need to add salt 0.9 thousand
Gram, inventory is 5.8kg/ mus；August part (accounts for 68%) based on animal bait, is aided with wheat and corn, and the fresh weight of bait accounts for
The 30% of crab weight, inventory are 8.2kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is 14,000 grams/acre, makes pH
Value is maintained at 8.2；August, every 48 kilograms of bait increase 1.2 kilograms of garlic.
In S6, the raw material of concentrated feed includes: 8 parts of soy protein concentrate, 7 parts of crystal amino acid, precision corn egg by weight
White 4 parts, hydrolysis 5 parts of fish protein, 0.3 part of fish meal, 2.5 parts of cotton dregs, 2.5 parts of Kelp Powder, 4 parts of wheat flour, 3 parts of wheat bran, fish oil 3
Part, 3 parts of soya-bean oil, 2.5 parts of lecithin, 3 parts of Astragalus Root P.E, 3 parts of shrimp shell meal, 3 parts of mineral substance premix, vitamin premix 5
Part, 2 parts of mould inhibitor, 4 parts of phagostimulant, 2 parts of beta glucan, 3.5 parts of ethoxyquinoline, 3.5 parts of microcrystalline cellulose.The original of concentrated feed
In material, vitamin premix by thiamine, vitamin A, vitamin B1, vitamin B5, vitamin C, vitamine D3, vitamin E,
Pantothenic acid, choline, folic acid, inositol and microcrystalline cellulose are by weight 2.5:5:2:3.5:1.5:1.2:0.7:2.2:0.5:1.1:
1.0:1.7.In the raw material of concentrated feed, phagostimulant is mixed by glycine and glycine betaine by weight 1.5:4.The original of concentrated feed
In material, mineral substance premix is by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate, ferric sulfate, zinc sulfate, manganese sulfate, magnesium sulfate, phosphorus
Acid dihydride calcium, sodium chloride and zeolite powder are by weight 1.5:3.5:2:5:1.5:4:2-3:1.5:4:2:4.
Embodiment 5
A kind of inexpensive high yield environment-protecting cultivation method of crab proposed by the present invention, includes the following steps:
S1, cultivation ground are chosen: choosing abundant water source, the good plot of water quality, water injection conveniently and the ground of energization access
Side, bottom sludge layer are 6 centimetres, and pond area is 28 mu；
S2, pond construction: 3.5 meters from ridge foot digging annular ditch of pond surrounding, the furrow width of annular ditch are 6.5 meters, annular ditch
Depth is 0.9 meter；Intermediate 1.1 meters of furrow width, it is 0.58 meter deep；Ditch area accounts for the pond gross area 29%, and entire ditch system interconnects, and is in
" well " font；Slope ratio is 1:3.8；Maximum stage reaches 1.2 meters；Inside sets escaping-preventing facilities on the ridge, is embedded to plastic film is thickeied
18 centimetres in soil, 60 centimetres above ground level, quadrangle is arc-shaped；Along the river embedment film is needed or in the pool ridge of intersection；1.2 meters of peripheral hardware
High protective net；Water inlet and water outlet are covered with polyethylene screen cloth；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is 95,000 grams/acre；
S4, pond ecological Building environment: without the 2 months kind waterweeds in careless pond, sowing quantity is 52,000 grams/acre；March interval sowing
Hydrilla verticillata, 520 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 62% in the middle and later periods；Spiral shell is launched in batches in no spiral shell pond
Snail, launches 240,000 grams/acre of spiral shell before annual clear and bright, when dispensing will uniformly let go；Spiral shell amount is 190,000 grams/acre；
S5, seed are put in a suitable place to breed: juvenile crab is put in a suitable place to breed first 9 days and fills new water；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed, examination water transition method particularly includes: crab species will be housed for the first time
Mesh bag immerses in water 2.5 minutes, has carried and has placed 4.5 points of kinds, has been repeated 2 times；Then it is carried out disinfection, is immersed with 3.5% saline solution
2 minutes in salt water, carries and placed 6.5 points of kinds；Sack is opened on last pool water within side, allows it to climb into water naturally, as far as possible along the pool four
Week uniformly scatters；Crab species early period separates culture in enclosure with mesh sheet, and area is the 1/4 of pond area；By the end of May to long to water plant at the beginning of 6 months
The mesh sheet of enclosure can be removed when to 11 centimetres；Crab species are 130/kilogram, and stocking rate is 540/mu, put 4 centimetres of mandarin fish in a suitable place to breed per acre
18 tail of fry, 2 centimetres or more 0.8 ten thousand tail of freshwater shrimp and oogenesis freshwater shrimp 0.18kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.7 meter, later gradually plus water, May most deep water
Position is maintained at 0.85 meter；Kept for most 1.7 meters of deep water level into high temperature season August, transparency is at 52 centimetres；
Feed management: April, the fresh weight of bait accounted for the 18% of crab weight based on concentrated feed, and daily inventory is 2.2kg/ mus；5
Month with animal bait put into based on (account for total abundance of food 65%), be aided with vegetal bait wheat, corn, the fresh weight of bait accounts for crab
The 16% of weight, daily inventory are 2.8kg/ mus；It (is accounted for based on plant feed pumpkin, wheat and corn at the beginning of mid-July to August
Total abundance of food 52%), supplemented by animal bait, the fresh weight of bait accounts for the 25% of crab weight, and every double centner pumpkin need to add salt 0.9 thousand
Gram, inventory is 6.2kg/ mus；August part (accounts for 68%) based on animal bait, is aided with wheat and corn, and the fresh weight of bait accounts for
The 30% of crab weight, inventory are 6.8kg/ mus；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is 14,000 grams/acre, makes pH
Value is maintained at 8.2；August, every 48 kilograms of bait increase 1.2 kilograms of garlic.
In S6, the raw material of concentrated feed includes: 12 parts of soy protein concentrate, 3 parts of crystal amino acid, precision corn egg by weight
White 8 parts, hydrolysis 2 parts of fish protein, 0.7 part of fish meal, 1.5 parts of cotton dregs, 3.5 parts of Kelp Powder, 2 parts of wheat flour, 4 parts of wheat bran, fish oil 2
Part, 5 parts of soya-bean oil, 1.5 parts of lecithin, 4 parts of Astragalus Root P.E, 2 parts of shrimp shell meal, 4 parts of mineral substance premix, vitamin premix 4
Part, 3 parts of mould inhibitor, 3 parts of phagostimulant, 3 parts of beta glucan, 2.5 parts of ethoxyquinoline, 4.5 parts of microcrystalline cellulose.The original of concentrated feed
In material, vitamin premix by thiamine, vitamin A, vitamin B1, vitamin B5, vitamin C, vitamine D3, vitamin E,
Pantothenic acid, choline, folic acid, inositol and microcrystalline cellulose are by weight 3.5:4:4:2.5:2.5:0.8:1.1:1.8:0.8:0.7:
1.2:1.3.In the raw material of concentrated feed, phagostimulant is mixed by glycine and glycine betaine by weight 2.5:3.The original of concentrated feed
In material, mineral substance premix is by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate, ferric sulfate, zinc sulfate, manganese sulfate, magnesium sulfate, phosphorus
Acid dihydride calcium, sodium chloride and zeolite powder are by weight 2.5:2.5:4:4:2.5:3:3:1.5:4:2:4.
Technical solution using embodiment 1- embodiment 5 in 2015 cultivates Eriocheir sinensis, and blank control group is arranged, empty
White control group is conventional crab pond breeding method, and late November, which concentrates, carries out dry pond crabbing, counts each embodiment and blank pair
According to the crab yield of group, volume increase data such as table 1 is obtained.
From table it can be found that the inexpensive high yield environment-protecting cultivation method of crab through the invention can effectively improve crab
The yield of crab improves the efficiency of cultivation.Simultaneously as using the bait in the crab concentrated feed and the ecosystem of configuration, significantly
The injected volume for saving bait, reduces aquaculture cost, and greatly reduces the water eutrophication that residual bait causes in bed mud enrichment
Change, reduce the environmental pollution of farm, is beneficial to environmental protection.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of inexpensive high yield environment-protecting cultivation method of crab, it is characterised in that include the following steps:
S1, cultivation ground are chosen: choosing that water source is abundant, the good plot of water quality, water injection is convenient and energization access, bottom sludge layer
≤ 10 centimetres, pond area is 20-30 mus；
S2, pond construction: foot 2-4 meters from ridge digging annular ditch of pond surrounding；Intermediate 1-1.5 meters of furrow width, it is 0.5-0.6 meters deep；Ditch
Area accounts for pond gross area 28-32%, and entire ditch system interconnects, and is in " well " font；Slope ratio is 1:3-4；Maximum stage reaches 1-
2 meters；Inside sets escaping-preventing facilities on the ridge, is buried in the earth 10-20 centimetres with thickening plastic film, 60 centimetres above ground level, quadrangle is in
Arc；Along the river embedment film is needed or in the pool ridge of intersection；1-2 meters of high protective nets of peripheral hardware；Water inlet and water outlet polythene net
Cloth covering；
S3, preparation of ponds disinfection: being cleaned up the pond with dry method of guicklime, and dosage is thousand grams/acre of 75-100；
S4, pond ecological Building environment: planting waterweed the no careless pond 2-3 month, and sowing quantity is thousand grams/acre of 45-55；The 3-5 month is by stages
Sow hydrilla verticillata, 450-550 grams/acre of hydrilla verticillata sowing quantity；Water plant coverage rate reaches 60-70% in the middle and later periods；Without spiral shell pond
Spiral shell is launched in batches, launches thousand grams/acre of spiral shell 200-250 before annual clear and bright, and when dispensing will uniformly let go；Spiral shell amount is 180-
220000 grams/acre；
S5, seed are put in a suitable place to breed: the 7-10 days new water of filling before juvenile crab is put in a suitable place to breed；Select four limbs complete, no disease, the strong crab of mobility
Seedling；Water transition is first tried when winter-spring season is put in a suitable place to breed, and juvenile crab is put in a suitable place to breed；Crab species early period separates culture in enclosure with mesh sheet, and area is pond area
1/4-1/3；By the end of May to the mesh sheet that can remove enclosure at the beginning of 6 months when long to 8-12 centimetres of water plant；Crab species are 120-160/thousand
Gram, stocking rate be 450-550 only/mu, put 4-5 centimetres of mandarin fish seedling 10-20 tail, 2 centimetres or more freshwater shrimp 0.5-1.5 ten thousand in a suitable place to breed per acre
Tail and oogenesis freshwater shrimp 0.1-0.2kg；
S6, water level regulation: at the beginning of crab species are put in a suitable place to breed, pond most deep water level is kept for 0.6-0.9 meters, gradually adds water later, and the 4-5 month is most deep
Water level is maintained at 0.8-1.0 meters；Kept for most deep water level 1.6-2.0 meters into the high temperature season 7-8 month, transparency is at 45-55 centimetres；
Feed management: April, the fresh weight of total bait accounted for the 10-20% of crab weight based on concentrated feed, and daily inventory is 1.5-
2.5kg/ mu；Based on being put into animal bait the 5-6 month, animal bait accounts for total abundance of food 50-70%, is aided with vegetal bait
Wheat, corn, the fresh weight of total bait account for the 15-30% of crab weight, and daily inventory is 2.5-3.5kg/ mus；At the beginning of mid-July to August
Based on vegetal bait pumpkin, wheat and corn, vegetal bait accounts for total abundance of food 45-55%, supplemented by animal bait, always
The fresh weight of bait accounts for the 20-35% of crab weight, and every double centner pumpkin need to add 0.5-1 kilograms of salt, and inventory is 5.5-6.5kg/ mus；
8-9 month, animal bait accounted for total abundance of food 60-70% based on animal bait, was aided with wheat and corn, total bait it is fresh
The 25-40% of crab weight is accounted for again, and inventory is 6.5-8.5kg/ mus；
The raw material of concentrated feed includes: 5-15 parts of soy protein concentrate, 2-8 parts of crystal amino acid, corn protamine 3-9 by weight
Part, hydrolysis fish protein 1-6 parts, 0.2-0.8 parts of fish meal, 1-3 parts of cotton dregs, 2-4 parts of Kelp Powder, 1-5 parts of wheat flour, wheat bran 2-5
Part, 1-4 parts of fish oil, 2-6 parts of soya-bean oil, 1-3 parts of lecithin, 2-5 parts of Astragalus Root P.E, 1-4 parts of shrimp shell meal, mineral substance premix 2-
5 parts, 3-6 parts of vitamin premix, 1-4 parts of mould inhibitor, 2-5 parts of phagostimulant, 1-4 parts of beta glucan, 2-4 parts of ethoxyquinoline,
3-5 parts of microcrystalline cellulose；
S7, disease control: being adjusted with quick lime, and quick lime water is splashed, and the amount of splashing is thousand grams/acre of 10-15, makes pH value
It is maintained at 8.0-9.0；The 6-8 month, every 45-55 kilograms of bait increase 0.5-1.5 kilograms of garlic.
2. the inexpensive high yield environment-protecting cultivation method of crab according to claim 1, which is characterized in that in S2, annular ditch
Furrow width be 6-8 meter, the depth of annular ditch is 0.8-1 meters.
3. the inexpensive high yield environment-protecting cultivation method of crab according to claim 1 or 2, which is characterized in that in S5, try water
Transition method particularly includes: the mesh bag equipped with crab species is immersed in water 2-4 minutes for the first time, has carried placement 3-5 minutes, is repeated
2-3 times；Then it is carried out disinfection, is immersed in salt water 2-3 minutes with the saline solution of 2-4%, carried placement 5-7 minutes；Last pool water within
Sack is opened on side, is allowed it to climb into water naturally, is uniformly scattered along pool surrounding as far as possible.
4. the inexpensive high yield environment-protecting cultivation method of crab according to claim 1, which is characterized in that in S6, concentrated feed
Raw material in, vitamin premix by thiamine, vitamin A, vitamin B1, vitamin B5, vitamin C, vitamine D3, dimension give birth to
Plain E, pantothenic acid, choline, folic acid, inositol and microcrystalline cellulose are by weight 2-4:3-6:1-5:2-4:1-3:0.5-1.5:0.6-
1.2:1.5-2.5:0.4-0.9:0.6-1.2:0.9-1.3:1.2-1.8.
5. the inexpensive high yield environment-protecting cultivation method of crab according to claim 1, which is characterized in that in S6, concentrated feed
Raw material in, phagostimulant is mixed by glycine and glycine betaine by weight 1-3:2-5.
6. the inexpensive high yield environment-protecting cultivation method of crab according to claim 1, which is characterized in that in S6, concentrated feed
Raw material in, mineral substance premix is by sodium fluoride, potassium iodide, cobalt chloride, copper sulphate, ferric sulfate, zinc sulfate, manganese sulfate, sulfuric acid
Magnesium, calcium dihydrogen phosphate, sodium chloride and zeolite powder are by weight 1-3:2-4:1-5:3-6:1-3:2-5:1-4:1-3:2-5:1-4:
2-5。
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| CN107155986A (en) * | 2017-06-01 | 2017-09-15 | 江苏红膏大闸蟹有限公司 | The cultivating system and cultural method of a kind of river crab |
| CN107439429A (en) * | 2017-09-11 | 2017-12-08 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | A kind of cultural method of fresh-water fishes mixed breeding Taihu Lake crab |
| CN109619001A (en) * | 2019-01-09 | 2019-04-16 | 天津市水生动物疫病预防控制中心 | A kind of efficient, non-harmful river crab paddy field aquaculture method |
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| CN104737947A (en) * | 2014-12-01 | 2015-07-01 | 任青松 | Ecological polyculture method for crabs, soft-shelled turtles, freshwater shrimps and mandarin fishes |
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