CN108668970A - A method of crab being grown using iron cage on the beach - Google Patents
A method of crab being grown using iron cage on the beach Download PDFInfo
- Publication number
- CN108668970A CN108668970A CN201810413424.9A CN201810413424A CN108668970A CN 108668970 A CN108668970 A CN 108668970A CN 201810413424 A CN201810413424 A CN 201810413424A CN 108668970 A CN108668970 A CN 108668970A
- Authority
- CN
- China
- Prior art keywords
- iron cage
- crab
- iron
- baffle
- height
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 304
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 152
- 238000000034 method Methods 0.000 title claims abstract description 55
- 241000238095 Scylla serrata Species 0.000 claims abstract description 46
- 238000005192 partition Methods 0.000 claims abstract description 14
- 239000013535 sea water Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 235000012773 waffles Nutrition 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 238000012258 culturing Methods 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 238000009360 aquaculture Methods 0.000 abstract description 6
- 244000144974 aquaculture Species 0.000 abstract description 6
- 230000000050 nutritive effect Effects 0.000 abstract description 3
- 238000009395 breeding Methods 0.000 description 14
- 230000001488 breeding effect Effects 0.000 description 14
- 230000008569 process Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 11
- 210000003205 muscle Anatomy 0.000 description 7
- 241000251468 Actinopterygii Species 0.000 description 6
- 150000001413 amino acids Chemical class 0.000 description 6
- 235000016709 nutrition Nutrition 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012876 topography Methods 0.000 description 4
- 235000019750 Crude protein Nutrition 0.000 description 3
- 235000019784 crude fat Nutrition 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- 241000238097 Callinectes sapidus Species 0.000 description 2
- 241001533364 Portunus trituberculatus Species 0.000 description 2
- 235000019789 appetite Nutrition 0.000 description 2
- 230000036528 appetite Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000020776 essential amino acid Nutrition 0.000 description 2
- 239000003797 essential amino acid Substances 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 235000021050 feed intake Nutrition 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 241000881711 Acipenser sturio Species 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241001306636 Cerithium Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 244000070406 Malus silvestris Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 240000003793 Rhizophora mangle Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to aquaculture fields, disclose a kind of method for using iron cage to grow crab on the beach, wherein, the surrounding of the iron cage and bottom are built using iron net, top is built using solid iron plate, and the lower end of the iron cage surrounding is provided with baffle, and the height H of the iron cage is more than the height h of the baffle, and the height h of the baffle is 10 30cm, the inner space of the iron cage is longitudinally spaced using at least one piece of partition board；This method includes：Iron cage is pressed into the silt on seabeach, the depression depths of the iron cage are more than the height h of the baffle and the height H less than the iron cage, and as the tide rises, seawater can at least not have the seabeach, then put into the iron cage crab and proceed by cultivation.Crab is cultivated using method provided by the invention, on the one hand can reduce bait dosage and improves crab dressing percentage and coefficient of condition, the mouthfeel of the crab of acquisition and nutritive value on the other hand can be made suitable with wild mud crab.
Description
Technical field
The invention belongs to the fields of aquaculture, and in particular to a method of crab being grown using iron cage on the beach.
Background technology
Crab is a kind of shellfish, including steamed crab, swimming crab, mud crab etc..Wherein, it is green to be commonly called as saw edge for mud crab
Crab, red sturgeon are distributed in the torrid zones such as SOUTHERN CHINA and Japan, India, Africa, the bay of subtropical seas and Coast Mangrove natural pond
The Zhejiang on the south entrance of Changjiang River, Fujian, Taiwan, Guangdong and ALONG GUANGXI COAST are mainly originated in moorland, China.Mud crab delicious meat, wind
Taste is unique, full of nutrition, and can also serve as medicinal, is famous parton, economic value is very high, and domestic and international market is in great demand.
Mud crab is water warm crab species, is the principal item of coastal areas of southern China cultivation.With reaching its maturity for cultural technique, mud crab is cultivated
Income have become the main economic source of coastal aquaculture.The prior art is mainly that outdoor aquaculture pond is supported for the cultivation of mud crab
It grows.Due to southern climatic season feature, existing blue crab cultivation carries out in annual 3-10 months mostly, October later with
Temperature declines, and mud crab enters aquaculture pond bottom overwintered in soil, hardly ingests, do not grow, being not easy to capture, therefore seafood after autumn
Mud crab is insufficient in the market, expensive, far from meeting the market demand.
CN104904626A discloses a kind of cultural method of late-maturing mud crab, and this approach includes the following steps：(1) reconnaissance：
Select conventional temperature control nursery pond as farming site；(2) construction of nursery pond：Nursery pond is set according to the specification of 9m × 4m × 2m
Meter launches 30 string crab pots per pond, often 6 crab pots of string；(3) control of nursery pond water quality：Salinity is 12-20, temperature 17-26
℃；(4) seedling is selected：20-30 days qualities of birth good young crab is chosen 5-6 months as cultivation object input nursery pond；(5) bait
Proportioning：Small fish, cerithium, waste material of edible mushroom are pulverized, according to 3:2:Bait is made in 1 ratio mixing；(6) bait is thrown
Hello：Divide and feeds twice sooner or later；(7) nursery pond water quality management：Nursery pond changed a water every 2-5 days, and pond is swept while changing water
Rubbish, spot, the waste material at bottom, water level control is in 1.5m；(8) harvest.Although blue crab cultivation season can be adjusted using this method,
Become outdoor cultivation to cultivate into indoor temperature control, to overcome the defect of the overwintering stagnant length of autumn and winter mud crab, but breeding process feed adds
Dosage is excessive, and cost is higher, and the taste of gained mud crab, nutrition are not so good as wild mud crab.
Invention content
The purpose of the invention is to overcome the prior art using pond culture crab there are feed dosage big and gained
The taste of crab and the bad defect of nutrition, and a kind of method for using iron cage to grow crab on the beach is provided.
Specifically, the present invention provides a kind of methods for using iron cage to grow crab on the beach, wherein the iron cage
Surrounding and bottom are built using iron net, and top is built using solid iron plate, and the lower end of the iron cage surrounding is provided with baffle, institute
The height H for stating iron cage is more than the height h of the baffle, and the height h of the baffle is 10-30cm, and the inside of the iron cage is empty
Between using at least one piece of partition board it is longitudinally spaced；This method includes：Iron cage is pressed into the silt on seabeach, the pushing of the iron cage
Depth is more than the height h of the baffle and the height H less than the iron cage, and as the tide rises, seawater can at least not have the sea
Crab is then put into the iron cage and proceeds by cultivation by beach.
The present inventor by further investigation after find, due to there are a large amount of and abundant in the silt at seabeach can
For the natural bait that crab eats, when growing crab using iron cage provided by the invention on the beach, after iron cage pushes, mud
Sand can enter the bottom of the iron cage, by the control of the height of the baffle of iron cage surrounding in 10-30cm and by the depression depths of iron cage
Control in the height more than baffle, enter when can both ensure on the ebb the silt of iron cage not by seawater wash away and bottom contain it is rich
Rich water, but can ensure seawater can scouring sediment surface and bring new deposit and can positioned at the residual bait on silt surface
Utilized to avoid the deterioration of soil inside iron cage by entire environment, the silt into iron cage bottom portion can constantly update and with it is outer
Boundary's environment fully merges, and the place of supply natural feed is continuously provided for crab, on the one hand reduce bait
Injected volume and the dressing percentage and coefficient of condition for improving gained crab, have saved aquaculture cost, and make the mouthfeel of the crab of acquisition
It is suitable with wild crab with nutritive value, make crab be constantly in dark and damp environment not when on the other hand can ensure on the ebb
It is dead.Crab is grown using the iron cage with iron net, convenient for observation, bait throwing in and harvesting, and can effectively prevent stormy waves, mouse,
Loss caused by natural enemy etc..
The entire bottom of a preferred embodiment of the invention, the iron cage is both provided with cystosepiment, at this point, to the greatest extent
The silt of pipe farming site cannot enter its bottom by iron cage pushes, but iron cage bottom portion is always when can ensure on the ebb
Delay has part seawater, makes when equally having the natural bait eaten for crab in the seawater, and can ensure on the ebb
Crab be constantly in it is not dead in the environment of water.
Description of the drawings
Fig. 1 is the structural schematic diagram of iron cage provided by the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, the examples of the embodiments are intended to be used to explain the present invention, and cannot
It is interpreted as limitation of the present invention.In the examples where no specific technique or condition is specified, according to described by document in the art
Technology or condition or carried out according to product description.Reagents or instruments used without specified manufacturer is that can lead to
Cross the conventional products of acquisition purchased in market.
The present invention provides a kind of methods for using iron cage to grow crab on the beach, wherein as shown in Figure 1, the iron
The surrounding of cage and bottom are built using iron net, and top is built using solid iron plate, and the lower end of the iron cage surrounding is provided with gear
Plate, the height H of the iron cage is more than the height h of the baffle, and the height h of the baffle is 10-30cm, preferably 15-
The inner space of 25cm, the iron cage are longitudinally spaced using at least one piece of partition board；This method includes：Iron cage is pressed on seabeach
In silt, the depression depths of the iron cage are more than the height h of the baffle and the height H less than the iron cage, as the tide rises, sea
Water can at least not have the seabeach, then put into the iron cage crab and proceed by cultivation.
Term " lower end " refers to from the bottom end (intersection of surrounding and bottom) of iron cage to the part of a certain height of surrounding.
In the present invention, the appearance in iron cage can be specifically arranged around one circle of the lower end of iron cage surrounding setting in the baffle rings
The inner surface in iron cage can also be arranged in face, be preferably provided at inner surface, enable to baffle to be easier so fixed without quilt
Seawater washes away.
In terms of the invention, it is understood that " seawater can at least not have the seabeach " refers to that at the incoming tide, seawater is at least
Can not have the baffle of the iron cage surrounding setting and sufficient moisture can be provided to cultivate the crab in iron cage.
In the present invention, the height of the baffle too low (being less than 10cm) can lead to solid water shortage, and height is too high (to be higher than
It can 30cm) make iron cage internal environment more independent, can not be merged with external environment into the soil in iron cage, to be easy to lead
The soil and water quality deterioration in iron cage are caused, crab existence is unfavorable for.
The entire bottom of a preferred embodiment of the invention, the iron cage is both provided with baffle.Wherein, described
The material for the baffle that the baffle of the lower end setting of iron cage surrounding is arranged with bottom may be the same or different, and can be each
From independently selected from least one of cystosepiment, plastic plate and metallic plate.The plastic plate can be thermoplastic plate (example
Such as polyvinyl chloride (PVC) plate, ABS plates, PP plates, PC plate, PS plates, PMMA plates), or thermosetting plastics plate (such as
Phenolic resin plate, epoxy resin board, foamed polystyrene board etc.).The metallic plate can be iron plate, aluminium sheet, copper coin, alloy
Plate etc..In addition, in order to be more advantageous to manufacture and prevent seawater corrosion, it is preferable that the lower end setting of the iron cage surrounding
Baffle is identical as the material for the baffle that bottom is arranged, and is cystosepiment or PVC board.
In the present invention, it as long as the partition board is longitudinally disposed inside iron cage, can be vertically arranged, it can also be with one
Determine angle tilt setting.A kind of specific implementation mode according to the present invention, as shown in Figure 1, the inside of the iron cage uses two pieces
Vertical and interlaced partition board separates.A preferred embodiment of the invention, the set-up mode sum number of the partition board
Amount is so that the bottom size in multiple independent spaces that the iron cage is divided into is not less than 0.2cm × 0.4cm.In cultivation crab
During, one or more crab seedlings can be put into one of them individual space, can also be launched multiple
In individual space, it is preferable that each individually space only cultivate one crab, can effectively avoid so mutual residual existing between crab
The generation of elephant.In addition, iron cage inside division is predominantly multiple individual spaces by the partition board role, can be net
Panel, and the material of the partition board can be selected from least one of foam, plastics and metal.Wherein, the plastics and metal
Type baffle part above is described, therefore not to repeat here.It is particularly preferred that the material of the partition board is gold
Belong to.In addition, the sizing grid of the partition board is can ensure the activity space of crab being limited in respective independent space
It is accurate.
According to the present invention, the iron cage further includes opening, and crab is put into iron cage or is taken out from iron cage.This is opened
Mouth can be closed in breeding process, can be opened when needing to be put into or take out crab for that can be closed opening.The opening can be with
It is arranged at the top of iron cage, the top that iron cage is preferably provided in the side of iron cage can also be set.
The present invention is not particularly limited the shape of the mesh of the iron net, can be rectangle, triangle, diamond shape, circle
Shape and other irregular shapes.In addition, the size of the mesh can carry out rationally according to the size of the crab actually cultivated
Selection, being subject to can ensure the activity space of crab being limited in iron cage, can know to this those skilled in the art,
This is not repeated.
Also there is no particular limitation for size of the present invention to the iron cage, but is moved to be more convenient for, it is preferable that the iron
The specification of cage is length and width and high respectively 0.5-2m, 0.3-1m and 0.6-1.5m.
In accordance with the present invention it is preferred that be provided with fixed ring at least two jiaos of the iron cage, in this way can to iron cage into
Row is reinforced, and iron cage is washed away or shifted to prevent seawater when wind and waves.
There is no particular limitation by height H of the present invention to the iron cage, as long as being more than the height h of baffle and ensureing that crab has
Enough activity spaces, for example, the baffle that the lower end that the height H of the iron cage can be the iron cage surrounding is arranged is high
Spend h 2-5 times, preferably 3-4 times.
As described above, the depression depths of the iron cage should be more than the height h of the baffle, can ensure to enter iron in this way
The silt surface of cage is washed away as tide bulge and fall has, is updated on a small quantity, so as to avoid the deterioration of soil.Preferably, with the gear
On the basis of the height h of plate, the depression depths of the iron cage are (1.1-4) h, more preferably (1.2-3) h.
The crab that the present invention is cultivated can be steamed crab, swimming crab, mud crab etc..It was found by the inventors of the present invention that adopting
Cultivation with this method especially suitable for mud crab.The culturing time of the crab is preferably annual August in March-part, and May is most
It is good.When selecting seedling, a length of 0.31-0.41cm of crust is preferably selected, width is 0.24-0.28cm and weight is 8.44-
13.85g local health seedling.Culture-cycle, weight, which reached 150g or more, to be listed depending on the growing way of crab.
In addition, the installation of the iron cage should select the place that topography is smooth, the water flows gently as possible, there are mistakes around iron cage
The channel space of people, preferably on the ebb when install iron cage.During cultivating crab, the bait of dispensing is with small fish and small razor clam
Based on, supplemented by man-made feeds.Feeding time observes the activity condition of crab and situation of ingesting in time generally before flood tide,
After ebb, under normal circumstances, the feeding volume of bait controls the 5-10% or so in crab body own wt.During big tidewater, crab
Appetite can relative increase, the feeding volume of bait should be increased in right amount at this time, and meet small tidewater, hot weather, the appetite of crab
It opposite can reduce, the feeding volume of bait should be reduced in right amount at this time, during especially shelling, it should feed intake or not feed intake less.
The present invention will be described in detail by way of examples below.
In following embodiment and comparative example：
Feed coefficient refers to that the weight of crab often increases the weight for the bait that 1kg is consumed, for example, feed coefficient is 1.1
Indicate that the weight of crab increases 1kg and needs to consume 1.1kg feeds；
Dressing percentage refers to that the muscle of crab accounts for the percentage of total weight；
Coefficient of condition refers to crab weight (g)/shell length (cm) × 100%.
Embodiment 1
The method that the embodiment is used to illustrate cultivation crab provided by the invention.
Iron cage specification used by the embodiment is 1m (length) × 0.4m (width) × 0.8m (height), and surrounding and bottom use
The iron net structure that mesh is rectangle and the length of side is 1cm × 1cm, top are built using solid iron plate, and opening is set to the top of iron cage
Portion, the lower end of the iron cage surrounding are provided with the cystosepiment (inner surface in iron cage is arranged) that height is 20cm, iron cage it is interior
Portion space uses four pieces of waffle slabs (material is iron) are alongst longitudinal to be uniformly divided into five individual spaces, each independent
Dimensional scale is 0.2m (length) × 0.4m (width) × 0.8m (height), and there are four fixed rings for the diagonal line setting of iron cage, by iron cage
It is reinforced.
Selection topography is smooth on the beach, the place that the water flows gently, on the ebb when the iron cage is installed, specifically, by iron cage
It is pressed into the silt on seabeach, depression depths 30cm, then in April, by five crab seedlings, (a length of 0.38cm of body, body are wide
0.27cm, weight 11.78g) it puts into respectively in five individual spaces of the iron cage and proceeds by cultivation, in breeding process
In, it is fed as bait using small fish, daily ration, feeding quantity is the 8% of crab body own wt, when the weight of mud crab reaches 150g
When come out of steamer listing.The feed coefficient of entire breeding process is 1.2, and the dressing percentage of mud crab is 30%, and the coefficient of condition of mud crab is
62.21%.
Embodiment 2
The method that the embodiment is used to illustrate cultivation crab provided by the invention.
Iron cage specification used by the embodiment is 1m (length) × 0.4m (width) × 0.8m (height), and surrounding and bottom use
The iron net structure that mesh is rectangle and the length of side is 1cm × 1cm, top are built using solid iron plate, and opening is set to the top of iron cage
Portion, the lower end of the iron cage surrounding are provided with the PVC board (inner surface in iron cage is arranged) that height is 10cm, the inside of iron cage
Space uses four pieces of waffle slabs (material is iron) are alongst longitudinal to be uniformly divided into five individual spaces, each individually empty
Between specification be 0.2m (length) × 0.4m (width) × 0.8m (height), the diagonal line of iron cage be arranged there are four fixed ring, by iron cage into
Row is reinforced.
Selection topography is smooth on the beach, the place that the water flows gently, on the ebb when the iron cage is installed, specifically, by iron cage
It is pressed into the silt on seabeach, depression depths 30cm, then in May, by five crab seedlings, (a length of 0.38cm of body, body are wide
0.27cm, weight 11.78g) it puts into respectively in five individual spaces of the iron cage and proceeds by cultivation, in breeding process
In, it is fed as bait using small fish, daily ration, feeding quantity is the 8% of crab body own wt, when the weight of mud crab reaches 120g
When come out of steamer listing.The feed coefficient of entire breeding process is 1.3, and the dressing percentage of mud crab is 29%, and the coefficient of condition of mud crab is
62.07%.
Embodiment 3
The method that the embodiment is used to illustrate cultivation crab provided by the invention.
Iron cage specification used by the embodiment is 1m (length) × 0.4m (width) × 0.8m (height), and surrounding and bottom use
The iron net structure that mesh is rectangle and the length of side is 1cm × 1cm, top are built using solid iron plate, and opening is set to the top of iron cage
Portion, the lower end of the iron cage surrounding are provided with the cystosepiment (inner surface in iron cage is arranged) that height is 30cm, iron cage it is interior
Portion space uses three pieces of waffle slabs (material is iron) are alongst longitudinal to be uniformly divided into four individual spaces, each independent
Dimensional scale is 0.25m (length) × 0.4m (width) × 0.8m (height), and there are four fixed rings for the diagonal line setting of iron cage, by iron cage
It is reinforced.
Selection topography is smooth on the beach, the place that the water flows gently, on the ebb when the iron cage is installed, specifically, by iron cage
It is pressed into the silt on seabeach, depression depths 35cm, then in August part, by four crab seedlings, (a length of 0.38cm of body, body are wide
0.27cm, weight 11.78g) it puts into respectively in four individual spaces of the iron cage and proceeds by cultivation, in breeding process
In, it is fed as bait using small fish, daily ration, feeding quantity is the 8% of crab body own wt, when the weight of mud crab reaches 120g
When come out of steamer listing.The feed coefficient of entire breeding process is 1.1, and the dressing percentage of mud crab is 30%, and the coefficient of condition of mud crab is
61.88%.
Embodiment 4
The method that the embodiment is used to illustrate cultivation crab provided by the invention.
Crab is cultivated according to the method for embodiment 1, unlike, the entire bottom of iron cage used by the embodiment is all provided with
It is equipped with cystosepiment.The feed coefficient of entire breeding process is 1.0, and the dressing percentage of mud crab is 30%, and the coefficient of condition of mud crab is
63.02%.
Comparative example 1
The method that the comparative example is used to illustrate the cultivation crab of reference.
The comparative example uses pond culture crab, and the specific method is as follows：In April, by five crab seedlings, (body is a length of
0.38cm, body wide 0.27cm, weight 11.78g) input pond in cultivated, in the breeding process, using small fish conduct
Bait is fed, and daily ration, feeding quantity is the 8% of crab body own wt, listing of coming out of steamer when the weight of mud crab reaches 150g.It is entire to support
The feed coefficient for growing process is 1.6, and the dressing percentage of mud crab is 28%, and the coefficient of condition of mud crab is 61.87%.
Comparative example 2
The method that the comparative example is used to illustrate the cultivation crab of reference.
Crab is cultivated according to the method for embodiment 1, unlike, the height of the cystosepiment of the lower end setting of iron cage surrounding
For 5cm.The feed coefficient of entire breeding process is 1.8, and the dressing percentage of mud crab is 28%, and the coefficient of condition of mud crab is 59.99%.
Comparative example 3
The method that the comparative example is used to illustrate the cultivation crab of reference.
Crab is cultivated according to the method for embodiment 1, unlike, the height of the cystosepiment of the lower end setting of iron cage surrounding
For 50cm.The feed coefficient of entire breeding process is 1.7, and the dressing percentage of mud crab is 29%, and the coefficient of condition of mud crab is 60.01%.
Comparative example 4
The method that the comparative example is used to illustrate the cultivation crab of reference.
Crab is cultivated according to the method for embodiment 1, unlike, the lower end of iron cage surrounding is not provided with cystosepiment.Entirely
The feed coefficient of breeding process is 1.8, and the dressing percentage of mud crab is 26%, and the coefficient of condition of mud crab is 57.65%.
Test case
The muscle of the mud crab obtained to wild mud crab and by embodiment 1 (bait throwing in of light beach) and comparative example 1 (cultivation) is slightly sought
It forms point and amino acid content is measured, acquired results difference is as shown in Table 1 and Table 2.
The thick nutritional ingredient of muscle (%, fresh weight) of mud crab under 1 different growing environment of table
| Project | Moisture | Ash content (wet) | Crude protein (wet) | Crude fat (wet) |
| It is wild | 79.17±1.04d | 16.51±0.60a | 80.14±0.01a | 0.91±0.07d |
| Cultivation | 83.43±0.78a | 14.48±0.13b | 78.81±0.52b | 1.73±0.03a |
| The bait throwing in of light beach | 80.66±0.88cd | 14.46±0.28b | 77.32±0.43b | 1.47±0.05b |
Note：In table 1, shoulder is designated as identical lowercase letter indication difference not significantly (P ＞ 0.05) in same row, different small letters
Matrix shows significant difference (P ＜ 0.05), and following table is same.
On mud crab muscle general nutrient components, crude protein and crude fat are primary evaluation indexs.As known from Table 1, light beach
The crude protein content of bait throwing in group is suitable with artificial breeding group, but crude fat content is substantially less than and is higher than man-made pond(pool) cultivation group.
Mud crab Amino Acid Contents of Muscle (g/100g) under 2 different growing environment of table
| Project | Total amino acid content | Total amount of essential amino acids | Nonessential amino acid total amount | Fresh ear field total amount |
| It is wild | 76.10±0.02a | 35.53±0.09a | 40.57±0.12a | 38.20±0.02a |
| Cultivation | 69.20±0.04d | 32.74±0.09c | 36.47±0.57f | 32.43±0.03d |
| The bait throwing in of light beach | 68.33±0.01d | 31.25±0.09c | 37.08±0.35d | 33.59±0.06e |
From the nutritional ingredient of protein, the total amino acid content and total amount of essential amino acids and cistern of light beach bait throwing in group
Pool cultivation group is suitable, and nonessential amino acid total amount is higher than man-made pond(pool) cultivation group；From the flavor of muscle, light beach bait throwing in group
Fresh ear field total amount is higher than man-made pond(pool) cultivation group, illustrates on certain depth, and bait throwing in group in light beach cultivates institute than man-made pond(pool)
Mud crab muscle it is more nutritious, taste is more delicious.
To sum up, mud crab is cultivated using method provided by the invention, on the one hand can reduce bait dosage and improved
On the other hand mud crab dressing percentage and coefficient of condition can make the mouthfeel of the mud crab of acquisition and nutritive value suitable with wild mud crab.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case of can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. a kind of method for using iron cage to grow crab on the beach, which is characterized in that the surrounding of the iron cage and bottom use
Iron net is built, and top is built using solid iron plate, and the lower end of the iron cage surrounding is provided with baffle, the height H of the iron cage
More than the height h of the baffle, and the height h of the baffle is 10-30cm, preferably 15-25cm, and the inside of the iron cage is empty
Between using at least one piece of partition board it is longitudinally spaced；
This method includes：Iron cage is pressed into the silt on seabeach, the depression depths of the iron cage are more than the height h of the baffle
And less than the height H of the iron cage, as the tide rises, seawater can at least not have the seabeach, and crab is then put into the iron
Cultivation is proceeded by cage.
2. according to the method described in claim 1, wherein, the set-up mode and quantity of the partition board to divide in the iron cage
At the bottom size in multiple independent spaces be not less than 0.2cm × 0.4cm, and each individually space only cultivates a crab.
3. according to the method described in claim 1, wherein, the partition board is waffle slab, and the material of the partition board be selected from foam,
At least one of plastics and metal, preferably metal.
4. according to the method described in any one of claim 1-3, wherein the baffle plate setting is in the lower end of iron cage surrounding
Inner surface.
5. according to the method described in any one of claim 1-3, wherein the entire bottom of the iron cage is both provided with gear
Plate.
6. according to the method described in claim 5, wherein, baffle and the bottom setting of the lower end setting of the iron cage surrounding
At least one of the material of baffle is identical or different, and be each independently selected from cystosepiment, plastic plate and metallic plate；It is preferred that
Ground, the iron cage surrounding lower end setting baffle it is identical as the material for the baffle that bottom is arranged, and be cystosepiment or
Polyvinyl chloride panel.
7. according to the method described in any one of claim 1-3, wherein be provided at least two jiaos of the iron cage solid
Determine ring.
8. according to the method described in any one of claim 1-3, wherein the height H of the iron cage is the height of baffle plate h
2-5 times；On the basis of the height h of the baffle, the depression depths of the iron cage are (1.1-4) h, preferably (1.2-3) h.
9. according to the method described in any one of claim 1-3, wherein the crab is mud crab.
10. according to the method described in any one of claim 1-3, wherein culturing time is annual August in March-part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413424.9A CN108668970A (en) | 2018-05-03 | 2018-05-03 | A method of crab being grown using iron cage on the beach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810413424.9A CN108668970A (en) | 2018-05-03 | 2018-05-03 | A method of crab being grown using iron cage on the beach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108668970A true CN108668970A (en) | 2018-10-19 |
Family
ID=63801425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810413424.9A Withdrawn CN108668970A (en) | 2018-05-03 | 2018-05-03 | A method of crab being grown using iron cage on the beach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108668970A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233833A (en) * | 2008-02-04 | 2008-08-06 | 厦门大学 | Blue crab cultivation device and cultivation method thereof |
| CN101692795A (en) * | 2009-10-21 | 2010-04-14 | 李宝明 | Method for culturing crabs in seawater by using breeding cage |
| CN101703024A (en) * | 2009-07-03 | 2010-05-12 | 浙江海洋学院 | Method and device for cage propagation of Portunus trituberculatus Miers in coastal mudflat pond |
| CN202310874U (en) * | 2011-11-07 | 2012-07-11 | 上海海洋大学 | Reef-associated ecological environment member applicable to sea area with muddy substrate |
| CN103053458A (en) * | 2013-01-16 | 2013-04-24 | 潘少波 | Ecological breeding method of scylla serrata |
| CN203575343U (en) * | 2013-11-12 | 2014-05-07 | 张名亮 | Half-reef type tire ecological aquaculture cage |
| JP2017176082A (en) * | 2016-03-31 | 2017-10-05 | 国立大学法人東京海洋大学 | Seabed installation type net fish preserve for breeding abalones |
| CN206949265U (en) * | 2017-06-29 | 2018-02-02 | 宁波大学 | A kind of enclosed seawater pond device of intertidal shellfish and shrimp crab mixed breed |
-
2018
- 2018-05-03 CN CN201810413424.9A patent/CN108668970A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233833A (en) * | 2008-02-04 | 2008-08-06 | 厦门大学 | Blue crab cultivation device and cultivation method thereof |
| CN101703024A (en) * | 2009-07-03 | 2010-05-12 | 浙江海洋学院 | Method and device for cage propagation of Portunus trituberculatus Miers in coastal mudflat pond |
| CN101692795A (en) * | 2009-10-21 | 2010-04-14 | 李宝明 | Method for culturing crabs in seawater by using breeding cage |
| CN202310874U (en) * | 2011-11-07 | 2012-07-11 | 上海海洋大学 | Reef-associated ecological environment member applicable to sea area with muddy substrate |
| CN103053458A (en) * | 2013-01-16 | 2013-04-24 | 潘少波 | Ecological breeding method of scylla serrata |
| CN203575343U (en) * | 2013-11-12 | 2014-05-07 | 张名亮 | Half-reef type tire ecological aquaculture cage |
| JP2017176082A (en) * | 2016-03-31 | 2017-10-05 | 国立大学法人東京海洋大学 | Seabed installation type net fish preserve for breeding abalones |
| CN206949265U (en) * | 2017-06-29 | 2018-02-02 | 宁波大学 | A kind of enclosed seawater pond device of intertidal shellfish and shrimp crab mixed breed |
Non-Patent Citations (1)
| Title |
|---|
| 古群红等: "《锯缘青蟹无公害养殖技术》", 30 April 2006, 海洋出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102106315B (en) | Method for cultivating sipunculus nudus in pond | |
| CN105104259B (en) | A kind of lobster, Panulirus stimpsoni shallow sea raft formula efficient and healthful cultural method | |
| CN103798166B (en) | The indoor extensive artificial breeding method of a kind of the South China coastal Hong Kong oyster | |
| CN104206329A (en) | Method for breeding procambarus clarkii spring seedlings in pond | |
| CN110692564B (en) | Procambarus clarkii breeding method suitable for paddy field cultivation | |
| CN105557577A (en) | Method for mixed breeding of Sipunculus nudus and Babylonia areolata | |
| CN108552090B (en) | Greenhouse overwintering fattening method for second-instar alosa sapidissima migration-simulated soil pond | |
| CN108849659A (en) | A method of crab being grown using iron cage under mangrove | |
| CN106070029B (en) | A kind of white goose efficient ecological cultivating system | |
| CN104488768A (en) | Culturing method of macrobrachium rosenbergii | |
| Kamermans et al. | Use of spat collectors to enchange supply of seed for bottom culture of blue mussels (Mytilus edulis) in the Netherlands | |
| CN112568159A (en) | Disease prevention and control method for organic shrimp culture | |
| CN105766733B (en) | A kind of bionic aquatic weed | |
| CN105325321A (en) | Sparus aurata culturing technology | |
| CN105532518B (en) | A kind of artificial cultivating method of trunk freshwater mussel sea area beach plastic big basin | |
| CN108739532A (en) | A method of Bostrichthys sinensis being grown using iron cage under mangrove | |
| CN109275605A (en) | A kind of quasi- tree-shaped oviposition attachment base of cuttlefish of Lai Shi | |
| CN208159802U (en) | A kind of iron cage | |
| CN108668970A (en) | A method of crab being grown using iron cage on the beach | |
| CN107950441A (en) | A kind of Tilapia mossambica salt water cultural method | |
| Macintosh | Aquaculture in coastal lagoons | |
| CN107094678A (en) | A kind of scale breeding method for pond crayfish | |
| CN103891658B (en) | A kind of natural propagation method of dragon design spot | |
| CN105660494A (en) | Shallow sea cage apostichopus japonicus recirculating aquacultural facility and aquacultural method | |
| CN109819916A (en) | A kind of method for culturing seedlings of Portunus trituberculatus Miers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181019 |