CN109122433A - A kind of raft formula snail cage culture device - Google Patents
A kind of raft formula snail cage culture device Download PDFInfo
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- CN109122433A CN109122433A CN201810978631.9A CN201810978631A CN109122433A CN 109122433 A CN109122433 A CN 109122433A CN 201810978631 A CN201810978631 A CN 201810978631A CN 109122433 A CN109122433 A CN 109122433A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
- A01K61/53—Baskets therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Marine Sciences & Fisheries (AREA)
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- Farming Of Fish And Shellfish (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The present invention provides a kind of raft formula snail cage culture device, belong to cultivation apparatus technical field, raft formula snail cage culture device includes spiral shell cage, spiral shell cage one side is equipped with closing device, spiral shell cage both ends are connected with magnetic patch, floating ball is connected with above spiral shell cage, floating ball and spiral shell cage are evenly arranged on rope, rope ends are connect with the anchoring pile being placed on seabed, the present invention cultivates snail in islands and reefs area intertidal zone simulation snail natural growing environment, -25 meters of depth of water sea areas of development and utilization are culture zone, in breeding process can predictive output, and cultivate highly-safe.
Description
Technical field
The invention belongs to cultivation apparatus technical fields, and in particular to a kind of raft formula snail cage culture device.
Background technique
Ocean development, islands and reefs are leading, and fishery is leading.Islands and reefs are the forward positions of China's ocean development, important fulcrum, even more
Mainly there are reef, mud, husky substrate three types in the key areas of Fisheries Development, China southeastern coast intertidal zone.The littoral tide in continent
Between band based on mud substrate, reef take second place with husky substrate, especially based on the reef substrate of outside islands and reefs bank intertidal zone, mud with
Husky substrate takes second place, according to the preliminary statistics 60% or more water front length in entire intertidal zone, and area accounts for 50% or more.Zhejiang Fujian edge
Sea island reef spreads all over the place, and if Zhoushan Islands have 13395 island, a islands and reefs ordinate more than 3500, reef substrate intertidal zone is main
Body.
In several types intertidal zone, husky substrate intertidal zone water front length, limited area is opened usually as tourist resources
Hair.Mud substrate intertidal zone is that China encloses pool cultivation, and the pool cultivation various fish of main product, shrimps, shellfish are enclosed in mudflat aquaculture developing zone
Class.Mudflat aquaculture main product shellfish, algae, such as clam, razor clam, blood clam, spiral shell and kelp seaweed, development and utilization at present have been substantially saturated or mistake
Saturation.For a long time, with the increase that terrestrial environment pollutes, along with people develop and use the increasing of dynamics, pool cultivation, beach are enclosed
Aquaculture industry is applied by a degree of influence, no matter from space utilization or in terms of environmental carrying capacity, is further developed
Without possible.Conversely, reef intertidal zone is in addition to artificially acquisition resource, artificial increasing cultivation's situation blank.
Outside islands and reefs area intertidal zone is not only the habitat of many large-scale Benthic algaes, such as oyster dish, sea lettuce, sargassum fusifome, Wu
Centipede algae, kelp, seaweed etc., and be the habitat of many shellfishes, such as mussel (Mytilus galloprovincialis, Trachyostracous mussel), top shell (fern
Spiral shell, Chlorostoma rustic), monodentate spiral shell (wart monodentate spiral shell, tumor monodentate spiral shell).For a long time, it due to largely artificially fishing, and fishes region and gets over
To come wider, the depth of water is deeper and deeper, and intertidal zone shellfish algae resource is caused constantly to decline, and it is little by spontaneous recovery possibility, it must
Artificial increasing cultivation's industry must be developed on the basis of reinforcing protection.
Such as, Chinese invention publication, publication No. CN 104604762 A, a kind of style of opening sea area sinks cage and prolongs the prior art
Rope type cultural method and its cultivation apparatus, the device can cultivate snail or abalone in 8-15 meters of sea area, overcome shallow within 8 meters
Sea region breeding spaces are excessively crowded, abalone and snail growth are easy impacted problem, but the region launched of the device and
Breeding environment is less conducive to snail and abalone growth, little to the yield increase effect of abalone and snail.
Summary of the invention
The purpose of the present invention is to provide one kind to cultivate snail in islands and reefs area intertidal zone simulation snail natural growing environment, opens
Hair -25 meters of depth of water sea areas of utilization are culture zone, in breeding process can predictive output, improve snail cultivation quality, and cultivate safety
A kind of high raft formula snail cage cultivation apparatus of property.
The scheme that the present invention is taken to achieve the above object are as follows: a kind of raft formula snail cage culture device, including spiral shell cage, spiral shell cage
One side is equipped with closing device, and spiral shell cage both ends are connected with magnetic patch, are connected with floating ball above spiral shell cage, floating ball and spiral shell cage are evenly arranged on rope
Suo Shang, rope ends are connect with the anchoring pile being placed on seabed, and φ 50cm can be selected, and the cage body that long 80cm is molded is cultivation
Magnetic patch is arranged in spiral shell cage, spiral shell cage both ends, is put into muti-piece magnetic patch before the dispensing of spiral shell cage, and measure the weight of every piece of magnetic patch and spiral shell cage exists
Depth of water position in water body constantly takes out magnetic patch with the passage of culturing time and keeps the position of spiral shell cage in water, passes through calculating
The weight for taking out magnetic patch can estimate cultured output, and using magnetic patch there is a natural attraction between the sexes the principle that identical charges repel each other, it can be achieved that each cultivation
The both ends of spiral shell cage will not collide, and protect the integrality and cultivation safety, stability of spiral shell cage, floating ball and spiral shell cage form one
A combination is evenly arranged on rope, and the spacing of setting spiral shell cage is 5m, and the length of optional rope is 200 meters, and 10- is disposed on rope
20 combinations formed by floating ball and spiral shell cage, and in the depth of water≤40m, the region flow velocity≤1.5/s needs uniformly distributed according to cultivation
The a plurality of combined rope for being disposed with floating ball and the formation of spiral shell cage is for cultivating the snails such as top shell, monodentate spiral shell, Turbo cornulus, by selecting
Culturing area, the cultivation spiral shell cage of design and hanging distribution mode, simulate snail natural growing environment, develop the artificial of snail and support
It grows, realizes the development and utilization in -25 meters of depth of water sea areas, promoting and applying has economical well, society and ecological benefits.
To optimize above-mentioned technical proposal, the measure taken further include: the both ends that rope is kept afloat are connected with floating ball, floating ball
Lower section is connected with pouring weight, raft formula spiral shell cage cultivation apparatus can be made when encountering stormy waves, be first subjected to Lidar Equation is that rope floats on
The floating ball and pouring weight at the both ends of the water surface slow down stormy waves and cause too much influence to the spiral shell cage hung in the middle part of rope, and pouring weight is cylinder
Body sets in damaged surface and opens up through-hole at cancave cambered surface and axle center, cambered surface of the water flow in the middle part of pouring weight can be made to pass through and pass through circular hole
To realize the effect of unhurried current, since more rope is arranged in culturing area, the effect for reducing stormy waves step by step can be realized, it is entire to cultivate
The cultivation apparatus in area can resist the influence of 12 grades of typhoons, and pouring weight is the absorption such as adsorptivity material, such as vermiculite, silicalite, silica gel
Property material, pouring weight not only have the effect of unhurried current, can also adsorb to the bulky grain pollutant in culturing area water body, only
Change the cultivation quality that culturing area water quality improves snail, regularly replaces pouring weight.It is connected in the middle part of rope in water body
Flexible hub, flexible hub top are connected with floating ball, and lower section is connected with pouring weight, and the effect of unhurried current can be further played to stormy waves
Fruit, the unhurried current effect of culturing area lower section -10 meters to -20 meters section stormy waves of the depth of water, stretching hub can also be according to stormy waves intensity
The rope lengths at automatic deploying and retracting both ends avoid rope from being broken under the impact of stormy waves, play the effect of protection cultivation apparatus safety.
Closing device is transversely provided with two parallel and fixed with spiral shell cage cross bars, is vertically connected with female rod by lantern ring respectively between cross bar
And nose bar, etting is connected between female rod, nose bar and spiral shell cage, female rod surface offers shrinkage pool corresponding with nose bar upper protruding block,
Rotatable opening-closing plate is connected on nose bar, opening-closing plate one side is equipped with dome ball corresponding with female rod fovea superior circular hole, folding
Plate another side is equipped with U-shape ring item.U-shape ring item in the opening-closing plate one side of design makes in water in the placement of spiral shell cage, ring item
The water flow movement track around opening-closing plate can be influenced, water flow can promote the propagation side of the light in water while motion profile changes
To generate change and refract to around spiral shell cage, improve spiral shell cage around illuminance be beneficial to promoted cultivation snail fertility and
Snail spawning rate, realizes the raising of snail cultured output and quality, and the closing device of design slides female rod and nose bar by lantern ring
Slidably open and close, convenient for pick and place snail, bait, algae or pick and place magnetic patch, and female rod and nose bar it is pluggable plus button collocation close mention
The closure and safety of high closing device.The cage body surface of spiral shell cage offers through-hole, cultivates water body inside and outside spiral shell cage and surround completely
Unanimously, φ 0.5-1cm may be selected in the through-hole diameter opened up, and convenient for the intracorporal water flow circulation of cage, aperture is less than snail volume and avoids
Snail is escaped, and guarantees cultivation safety, and cage body surface is surrounded with reinforcing rib, can further improve spiral shell cage firmness and with
The stable connection performance of floating ball, rope, avoids spiral shell cage from causing economic loss with rope or float ball falling in the breeding process.Spiral shell cage
Horizontal spacing be 6~7 times of spiral shell cage length, can effectively avoid spiral shell cage adjacent in the case where shaking in spiral shell cage water and collide
Or winding, and magnetic patch can further prevent such event and occur, and rope is all provided in water, and rope spacing is the 12 of spiral shell cage length
It~15 times, is needed uniformly a plurality of to be disposed with combined rope that floating ball and spiral shell cage are formed for cultivating according to cultivation in culturing area
The snails such as top shell, monodentate spiral shell, Turbo cornulus, the spacing being arranged between rope can effectively avoid adjacent in the case where shaking in spiral shell cage water
Spiral shell cage collide or wind, and magnetic patch can further prevent such event and occur.
Compared with prior art, the invention has the benefit that in history, islands and reefs area intertidal zone snail by adopting naturally
It catches, resource is limited, and yield is unstable, can not form industry, develops artificial breeding using raft formula snail cultivation apparatus of the invention
Afterwards, simulation snail natural growing environment cultivates snail, in breeding process can predictive output, and cultivate highly-safe, develop snail
Cultivation, cultured output is high, and snail is full of nutrition, and largely stable spiral shell aquatic products can be provided for people.Utilize -25 meters of depth of water seas
Domain is culture zone, is conducive to develop unused sea area, the present invention, which promotes and applies, has economical well, society and ecology
Benefit, it is expected to form new industry.
Detailed description of the invention
Fig. 1 is a kind of side schematic view of raft formula snail cage cultivation apparatus of the present invention；
Fig. 2 is the schematic diagram of spiral shell cage；
Fig. 3 is the structural schematic diagram after spiral shell cage advanced optimizes；
Fig. 4 is female rod sectional view；
Fig. 5 is nose bar sectional view；
Fig. 6 is the structural schematic diagram of pouring weight.
Description of symbols: 1 spiral shell cage；101 cage bodies；102 closing devices；102a cross bar；102b female rod；102c lantern ring；
102d nose bar；102e etting；102f opening-closing plate；103 reinforcing ribs；104 magnetic patch；2 floating balls；3 pouring weights；4 flexible hubs；5 ropes
Rope；6 sea level lines；7 seabeds；8 anchoring piles.
Specific embodiment
Technical solution of the present invention is described in further detail with attached drawing with reference to embodiments:
Embodiment 1:
As shown in Figs. 1-2, a kind of raft formula snail cage culture device, including spiral shell cage 1,1 one side of spiral shell cage are equipped with closing device
102, floating ball 2 is connected with above spiral shell cage 1, and floating ball 2 and spiral shell cage 1 are evenly arranged on rope 5,5 both ends of rope and are placed on seabed 7
Anchoring pile 8 connect, φ 50cm can be selected, the cage body that long 80cm is molded is cultivation spiral shell cage 1, and floating ball 2 and spiral shell cage 1 form one
Combination is evenly arranged on rope 5, and the spacing of setting spiral shell cage 1 is 5m, and the length of optional rope 5 is 200 meters, is disposed on rope 5
15 combinations formed by floating ball 2 and spiral shell cage 1, and in the depth of water≤40m, the region flow velocity≤1.5/s needs equal according to cultivation
The a plurality of combined rope 5 for being disposed with floating ball 2 and the formation of spiral shell cage 1 of cloth leads to for cultivating the snails such as top shell, monodentate spiral shell, Turbo cornulus
It crosses and selects culturing area, the cultivation spiral shell cage 1 of design and hanging distribution mode, simulate snail natural growing environment, develop snail
The development and utilization in -25 meters of depth of water sea areas are realized in artificial breeding, and promoting and applying has economical well, society and ecological benefits.
The both ends that rope 5 is kept afloat are connected with floating ball 2, and pouring weight 3 is connected with below floating ball 2, and raft formula spiral shell cage can be made to grow
For device when encountering stormy waves, be first subjected to Lidar Equation is the floating ball 2 and pouring weight 3 at the both ends that rope 5 is kept afloat, and slows down wind
Wave causes too much influence to the spiral shell cage 1 hung in the middle part of rope 5.
It is connected with flexible hub 4 in the middle part of rope 5 in water body, is connected with floating ball 2 above flexible hub 4, under
Side is connected with pouring weight 3, and the effect of unhurried current can be further played to stormy waves, -10 meters to -20 meters sections of the depth of water below culturing area
The unhurried current effect of stormy waves, flexible hub 4 can also avoid rope 5 from existing according to 5 length of rope at stormy waves intensity automatic deploying and retracting both ends
It is broken under the impact of stormy waves, plays the effect of protection cultivation apparatus safety.
Embodiment 2:
Referring to shown in Fig. 3-5, the present embodiment prioritization scheme on the basis of embodiment 1 are as follows: 1 both ends of spiral shell cage are connected with magnetic
Magnetic patch 104 is arranged in block 104,1 both ends of spiral shell cage, is put into muti-piece magnetic patch 104 before the dispensing of spiral shell cage, and measure the weight of every piece of magnetic patch 104
The depth of water position of amount and spiral shell cage 1 in water body constantly takes out magnetic patch 104 with the passage of culturing time and keeps spiral shell cage 1 in water
Position, by calculating take out the weight of magnetic patch 104 and can estimate cultured output, and there is a natural attraction between the sexes that identical charges repel each other using magnetic patch
Principle, it can be achieved that respectively cultivation spiral shell cage 1 both ends will not collide, protect spiral shell cage integrality and cultivation safety, stabilization
Property.
101 surface of cage body is surrounded with reinforcing rib 103, can further improve spiral shell cage 1 firmness and with floating ball 2, rope
The stable connection performance of rope 5, avoids spiral shell cage 1 from falling off with rope 5 or floating ball 2 in the breeding process and cause economic loss.Spiral shell cage 1
Horizontal spacing is 6 times of 1 length of spiral shell cage, can effectively avoid spiral shell cage 1 adjacent in the case where being shaken in 1 water of spiral shell cage collide or
Winding, and magnetic patch 104 can further prevent such event and occur, and rope 5 is all provided in water, and 5 spacing of rope is 1 length of spiral shell cage
12.5 times, need uniformly a plurality of to be disposed with the combined rope 5 that floating ball 2 and spiral shell cage 1 are formed and use according to cultivation in culturing area
In snails such as cultivation top shell, monodentate spiral shell, Turbo cornulus, the spacing being arranged between rope 5 can effectively avoid the feelings shaken in 1 water of spiral shell cage
Adjacent spiral shell cage 1 is collided or is wound under condition, and magnetic patch 104 can further prevent such event and occur.
1 surface of spiral shell cage and 102 surface of closing device are equipped with sustained-release gel, the material composition and its parts by weight of sustained-release gel
Are as follows: 30 parts of land plaster, 70 parts of polylactic acid, 4 parts of polyadipate diglycol ester, 3 parts of amino acid, 4 parts of lecithin, dimension life
A3 parts plain, 8 parts of Corvic, 0.4 part of tartaric acid, 2 parts of thickener, 3 parts of perforate expanded perlite, nano silica 1
Part.Polylactic acid has good biodegradability and mechanical property, and surface hydrophobic is relatively strong but still needs to improve, mechanicalness
The controllability of energy and Biodegradation Times is poor.Using polyadipate diglycol ester and Corvic to polylactic acid
Graft modification is carried out, its hydrophobicity is improved, it is ensured that before degradation material is that voluntarily notch does not occur in degradation, water, which cannot be introduced into, to drop
It solves in material.Under the premise of existing for the nano silica, the grafting rate of degradation material, and tartaric acid is can be improved in tartaric acid
Middle L-TARTARIC ACID: have unexpected effect (also obvious while improving grafting rate when the ratio of D- tartaric acid is 20:3
Improve the mechanical strength of degradation material).Each ingredient has trade-off effect in above-mentioned degradation material, but specific mechanism is still not
It is clear.Above-mentioned degradation material does not have water penetration, and over time, degradation material is slowly degraded, slow release
Nutriment improves the snail speed of growth and snail quality, achievees the effect that further to increase production.
Closing device 102 is transversely provided with two parallel and fixed with spiral shell cage 1 cross bar 102a, leads to respectively between cross bar 102a
It crosses lantern ring 102c and is vertically connected with female rod 102b and nose bar 102d, be connected with net between female rod 102b, nose bar 102d and spiral shell cage 1
The surface clothing 102e, female rod 102b offers shrinkage pool corresponding with nose bar 102d upper protruding block, and being connected on nose bar 102d can be rotated
Opening-closing plate 102f, opening-closing plate 102f one side be equipped with dome ball corresponding with female rod 102b fovea superior circular hole, opening-closing plate 102f
Another side is equipped with U-shape ring item.The closing device 102 of design slides female rod 102b and nose bar 102d by lantern ring 102c and can slide
Dynamic folding is convenient for picking and placing snail, bait, algae or picks and places magnetic patch, and female rod 102b and nose bar 102d is pluggable plus button is arranged in pairs or groups
Close the closure and safety for improving closing device 102.U-shape ring item in the opening-closing plate 102f one side of design is put in spiral shell cage 1
Set makes in water, and ring item can influence the water flow movement track around opening-closing plate 102f, and water flow can while motion profile changes
Promote the direction of propagation of the light in water to generate to change and refract to around spiral shell cage 1, the illuminance improved around spiral shell cage 1 is beneficial to mention
The fertility and snail spawning rate of cultivation snail are risen, realizes the raising of snail cultured output and quality, the cage body 101 of spiral shell cage 1
Surface offers through-hole, and water body is surround completely the same inside and outside cultivation spiral shell cage 1, and the preferred φ 0.7cm of the through-hole diameter opened up is convenient for
Water flow circulation in cage body 101, aperture are less than snail volume and snail are avoided to escape, and guarantee cultivation safety.
Embodiment 3:
Referring to shown in Fig. 6, the present embodiment prioritization scheme on the basis of embodiment 1 are as follows: pouring weight 3 is cylindrical body, cylinder table
It is set in face and opens up through-hole at cancave cambered surface and axle center, water flow can be made to pass through from the cambered surface at 3 middle part of pouring weight and pass through circular hole and is slow to realize
The effect of stream can realize the effect for reducing stormy waves step by step since more rope 5 is arranged in culturing area, and entire culture zone is supported
The influence of 12 grades of typhoons can be resisted by growing device, and pouring weight 3 is the adsorptivities materials such as adsorptivity material, such as vermiculite, silicalite, silica gel
Material, pouring weight 3 not only have the effect of unhurried current, can also adsorb to the bulky grain pollutant in culturing area water body, purify
Culturing area water quality improves the cultivation quality of snail, regularly replaces pouring weight 3.
The planform of pouring weight 3 may also is that in the middle part of pouring weight 3 as cylindrical body, the water fender of side surrounding setting cuboid.
Embodiment 4:
The measure of merit of cultivation apparatus:
It chooses islands and reefs on the outside of Zhoushan Of Zhejiang Province Dinghai District and nearby moors domain,
Cultivation apparatus: the raft formula snail cage culture device (experimental group) that the present invention designs, commercially available breeding cage (control group), cultivation
Installed capacity is identical.Experimental group culturing area is the depth of water≤40m, the region flow velocity≤1.5/s；Control group culturing area is the depth of water
The region≤15m, flow velocity≤1.0/s.
Select breed variety: monodentate spiral shell；Monodentate spiral shell (Monodonta labio Linnaeus) popular name sesame spiral shell belongs to software
Animal door (Mollusca), Gastropoda (Gastropoda), Archaeogastropoda (Archaeogastropoda), top shell Superfamily
(Trochidae)；Cultivate quantity: cultivation 100 in each device；The average high 1cm of shell, is wild capture, culturing time:
180d。
Diatom, the rock algae of equivalent are launched during cultivation in two groups of cultivation apparatus, in water temperature higher period, injected volume reduces, keeps away
Exempt from bait to rot, observe the monodentate spiral shell growing state of cultivation, remove dead spiral shell in time, and make a record, experimental group simulates monodentate spiral shell
Growing environment, and quantity is recorded, the weather condition of culturing area, especially typhoon are observed, two groups of cultivation apparatus of routine observation have
No etting is broken, makes a record.
Monodentate spiral shell is harvested after cultivation, is measured one by one, and experimental group is averaged the high 2.21cm of shell, survival rate 93%, control group
The average high 1.84cm of shell, survival rate 82% will be clearly understood that experimental group simulates snail natural growing environment by the experiment of 180d
The monodentate spiral shell quality of cultivation is good, high survival rate, can estimate that snail yield, aquaculture management and production programming are convenient in breeding process.
Carry out Analysis of Nutritive Composition to the monodentate spiral shell of experimental group, control group cultivation respectively: spiral shell meat is taken out in vivisection, with filter
Paper blots muscle surface moisture, claims quality.Muscle is smashed to pieces, is uniformly mixed, is divided into 2 parts, portion does general nutrient components measurement；
Another does the measurement of amino acid, fatty acid and minerals.
Anthrone, Coomassie brilliant blue Shanghai Sangon Reagent Company import packing；Bovine serum albumin(BSA) (BSA) U.S. Sigma
Company；Hydrochloric acid, potassium sulfate, copper sulphate, ether, sulfuric acid, sodium hydroxide are the pure Shanghai Chinese medicines group of analysis.KDN-08A type is triumphant
Family name's azotometer Shanghai flood discipline experimental instruments and equipment limited；German aminosys A200 type amino-acid analyzer Germany peace minot west
This company；480 PerkinElmer company of the gas chromatograph-mass spectrometer (GC-MS) U.S. of Clarus.
Measuring method: it general nutrient components measurement: presses GB/T 5009.3-2003 " measurement of moisture in food ", with 105
DEG C baking oven convection drying measures moisture；By GB/T 5009.5-2003 " measurement of Protein in Food ", surveyed with Kjeldahl's method
Determine thick protein；By GB/T 5009.6-2003 " fatty measurement in food ", fat is measured with soxhlet extraction method；By GB/T
5009.4-2003 " measurements of ash content in food " measure ash content with high temperature (550 DEG C) calcination method；It is measured with anthrone colorimetry
Total reducing sugar；By GB/T5009.124-2003 " measurement of amino acid in food " standard, tryptophan is removed with amino-acid analyzer measurement
17 kinds of outer amino acid, with fluorescence spectrophotometry tryptophan；Fatty acid is measured with gas chromatograph-mass spectrometer (GC-MS).
Evaluation of Nutritive Quality method:
According to every gram of nitrogen amino acid score mode standard of FAO/WHO suggestion in 1973 and China Preventive Medicial Science Institute
The egg protein mode that Ins of Nutrition & Food Hygiene proposes carries out Nutritive evaluation, amino acid score (AAS), chemistry
It scores (CS) and essential amino acid index (EAAI) [9] calculates such as following formula.
In formula: AAp is certain essential amino acid mass fraction/(g/100g) in sample；AAe is accordingly must in egg protein
Need amino acid masses score/(g/100g).
1 monodentate spiral shell of table (experimental group, control group)-nutrition quality score graph
The monodentate spiral shell nutritive value of experimental group cultivation is higher than the monodentate spiral shell nutritive value of control group cultivation as shown in Table 1.
Technical solution of the present invention is described in detail in embodiment described above, it should be understood that the above is only
For specific embodiments of the present invention, it is not intended to restrict the invention, all any modifications made in spirit of the invention,
Supplement or similar fashion substitution etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of raft formula snail cage culture device, including spiral shell cage (1), it is characterised in that: spiral shell cage (1) one side is equipped with folding dress
It sets (102), spiral shell cage (1) both ends are connected with magnetic patch (104), are connected with floating ball (2) above the spiral shell cage (1), the floating ball (2)
It is evenly arranged on rope (5) with spiral shell cage (1), rope (5) both ends are connect with the anchoring pile (8) being placed on seabed (7).
2. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: the rope (5) is kept afloat
Both ends be connected with floating ball (2), be connected with pouring weight (3) below the floating ball (2).
3. a kind of raft formula snail cage culture device according to claim 2, it is characterised in that: the pouring weight (3) is cylindrical body,
It is set in damaged surface and opens up through-hole at cancave cambered surface and axle center, the pouring weight (3) is adsorptivity material.
4. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: the rope (5) in water body
Middle part is connected with flexible hub (4), is connected with floating ball (2) above the flexible hub (4), lower section is connected with pouring weight (3).
5. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: the closing device (102) is horizontal
To two parallel and fixed with spiral shell cage (1) cross bars (102a) are equipped with, pass through lantern ring respectively between the cross bar (102a)
(102c) is vertically connected with female rod (102b) and nose bar (102d), between the female rod (102b), nose bar (102d) and spiral shell cage (1)
It is connected with etting (102e).
6. a kind of raft formula snail cage culture device according to claim 5, it is characterised in that: open on female rod (102b) surface
Equipped with shrinkage pool corresponding with nose bar (102d) upper protruding block, rotatable opening-closing plate is connected on the nose bar (102d)
(102f), opening-closing plate (102f) one side are equipped with dome ball corresponding with female rod (102b) fovea superior circular hole, opening-closing plate
(102f) another side is equipped with U-shape ring item.
7. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: the cage body of the spiral shell cage (1)
(101) surface offers through-hole, and cage body (101) surface is surrounded with reinforcing rib (103).
8. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: between the transverse direction of the spiral shell cage (1)
Away from 6 ~ 7 times for spiral shell cage (1) length.
9. a kind of raft formula snail cage culture device according to claim 1, it is characterised in that: the rope (5) is each provided at water
In, rope (5) spacing is 12 ~ 15 times of spiral shell cage (1) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978631.9A CN109122433B (en) | 2018-08-27 | 2018-08-27 | Raft formula snail device of raising in cages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978631.9A CN109122433B (en) | 2018-08-27 | 2018-08-27 | Raft formula snail device of raising in cages |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109122433A true CN109122433A (en) | 2019-01-04 |
| CN109122433B CN109122433B (en) | 2021-02-19 |
Family
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| CN112487643A (en) * | 2020-11-30 | 2021-03-12 | 中国科学院地理科学与资源研究所 | Island resource environment bearing capacity multi-objective optimization oriented space planning method |
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