CN105075946A - Shellfish engineering culture method and shellfish multilayer flowing water culture device - Google Patents
Shellfish engineering culture method and shellfish multilayer flowing water culture device Download PDFInfo
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- CN105075946A CN105075946A CN201510527256.2A CN201510527256A CN105075946A CN 105075946 A CN105075946 A CN 105075946A CN 201510527256 A CN201510527256 A CN 201510527256A CN 105075946 A CN105075946 A CN 105075946A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 235000015170 shellfish Nutrition 0.000 title claims abstract description 88
- 238000012136 culture method Methods 0.000 title claims abstract description 18
- 239000013535 sea water Substances 0.000 claims abstract description 20
- 235000013305 food Nutrition 0.000 claims abstract description 10
- 230000000630 rising effect Effects 0.000 claims abstract description 8
- 238000009395 breeding Methods 0.000 claims description 63
- 230000001488 breeding effect Effects 0.000 claims description 63
- 238000009360 aquaculture Methods 0.000 claims description 19
- 244000144974 aquaculture Species 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000009400 out breeding Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001932 seasonal effect Effects 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract 6
- 238000004140 cleaning Methods 0.000 description 9
- 230000004083 survival effect Effects 0.000 description 7
- 230000037396 body weight Effects 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009364 mariculture Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 231100000225 lethality Toxicity 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
A shellfish engineering culture method is characterized in that the shellfish engineering culture method comprises the following steps of: (1) arranging culture carriers of multilayer structures in a culture space; (2) Layering and tiling shellfishes in the culture carriers of the multilayer structures; and (3) drawing seawater to feed into the culture space as culture water of the shellfishes, wherein the culture water flows out of the culture space after passing through the culture carriers of the multilayer structures from bottom to top, and the shellfishes on the culture carriers of the multilayer structures obtain natural bait in the rising culture water as food layer by layer. Living bait in a natural sea area is fully utilized, the seawater is drawn into the semi-enclosed culture space by a water pump, the culture space is designed in a rising flowing water mode, the culture water flows out of the culture space after passing through the culture carriers of the multilayer structures from bottom to top, and the shellfishes on the culture carriers of the multilayer structures obtain the natural bait in the rising culture water as food layer by layer. According to the shellfish engineering culture method, utilization rate of the natural bait is largely improved, engineering high-density culture of the shellfishes such as pearl shells is achieved, and culture benefit is increased.
Description
Technical field
The present invention relates to a kind of shellfish culture method, also relate to a kind of shellfish multilayer flowing water culture equipment.
Background technology
Shellfish culture industry, as the important component part of China's aquaculture, serves important function in economy at home.Breeding way, the growth of breeding environment to shellfish of shellfish culture play vital effect.
At present, shellfish culture is mainly based on bay cultivation, seawater fishery.But, along with the change of Offshore Ecology breeding environment and the pollution in sea area, cause shellfish seawater fishery survival rate very low.In addition, along with exploitation and the industrial expansion in bay, shellfish culture place is significantly reduced.Add current shellfish culture pattern outmoded, cultural technique falls behind, and directly causes that shellfish culture density is low, poor growth, and disease takes place frequently, and has had a strong impact on the development of shellfish culture industry.
Traditional shellfish culture pattern is mainly based on fixing framed bent cultivation and floating raft type framed bent aquaculture model, and main breeding way is hanging culture.The breeding environment relative closure in bay, little with off-lying sea water exchange capacity, water body flow is more slow, and cause the biology that adheres in shellfish hanging culture process many, cage tool is easily blocked, and shellfish lethality is high, and poor growth.
In addition, be attached to the cleaning of the biology on cage tool, shellfish, need a large amount of manpower and financial resources.According to the environment in current sea area, generally need clear up once even repeatedly every month, considerably increase aquaculture cost.In addition, the limited space in the limited pressure that traditional cage tool bears because of lifting rope and cage tool, shellfish culture density is lower, cannot realize high-density breeding.
Summary of the invention
First goal of the invention of the present invention is to provide a kind of shellfish engineering culture method.
Second goal of the invention of the present invention is to provide a kind of shellfish multilayer flowing water culture equipment for implementing described shellfish engineering culture method.
First goal of the invention of the present invention is achieved through the following technical solutions: a kind of shellfish engineering culture method, comprises the steps:
1) the cultivation carrier of sandwich construction is set in breeding spaces;
2) shellfish layering is laid in the cultivation carrier of described sandwich construction;
3) extracting seawater sends into the aquaculture water of described breeding spaces as shellfish, and aquaculture water, from bottom to top after the cultivation carrier of each Rotating fields, flows out breeding spaces, and the natural bait that the shellfish on each layer cultivation carrier successively obtains in the aquaculture water in rising is food.
The present invention utilizes the natural bait in ocean to feed shellfish, and aquaculture water from bottom to top flows out breeding spaces again after the cultivation carrier of each Rotating fields, so that the bait in aquaculture water fully can be hunted by shellfish.
Described step 3) also comprise the step of filtering sea, namely extract the seawater after filtering and send into the aquaculture water of described breeding spaces as shellfish, to reduce the aufwuch in breeding spaces, be conducive to reducing manual cleaning number of times, improve survival rate and the growth rate of shellfish.
Described step 3) in the degree of depth of seawater that extracts according to sea area cultivate water condition detection result and different depth biological feed abundance, adjust in conjunction with spat eating food species, with to greatest extent for spat provides high-quality bait.
Step 3) in the draw water adjustment of the degree of depth consider the change of Various Seasonal water temperature simultaneously, when temperature is higher or lower, the degree of depth of drawing water declines, and namely when summer and winter, the degree of depth of drawing water declines.
Described breeding spaces floats on the water surface, and in typhoon, heavy rain season, the degree of depth of drawing water is adjusted to less than 3 ~ 4 meters water layers, to avoid the infringement of fresh water.
Described shellfish is laid on the laminate of cultivation carrier of described sandwich construction, and described laminate is loose structure, with the growth of shellfish, changes and has more wide-aperture laminate, reduce cultivation density simultaneously.
In summer or typhoon season, the present invention is also included in the step of adding a cover sunshade net or awning above described breeding spaces, reduces the impact on shellfish bulk-growth because of sun direct projection or fresh water impact.
Second goal of the invention of the present invention is achieved through the following technical solutions: a kind of shellfish multilayer flowing water culture equipment for implementing described shellfish engineering culture method, it is characterized in that, comprise the cultivation carrier of breeding spaces and the sandwich construction be made up of the container of upper end open, the periphery of described breeding spaces is provided with for fixing ball float, keg floats etc. help the ball float plate of floating thing, to make whole breeding spaces float on the water surface, described breeding spaces inside is isolated at least two chambeies by dividing plate, form cultivation storehouse and water inlet surge bunker, with the bottom surface of described breeding spaces, there is gap bottom described dividing plate, be communicated with by described gap with described water inlet surge bunker bottom to make described cultivation storehouse, the cultivation carrier of described sandwich construction is arranged in described cultivation storehouse.
The cultivation carrier of described sandwich construction is made up of two-layer above cultivation frame, the cultivation frame of bottom is held up by the supporting plate on the inwall of described cultivation storehouse, described cultivation frame by frame bottom plate, frame week plate and be arranged on frame week plate on, upper end exceed frame week plate gripper shoe form, the spillway hole of the shellfish volume adaptation described frame bottom plate is dispersed with and cultivate, the cultivation frame holder on upper strata is in the gripper shoe of lower floor's cultivation frame.This structure makes the dismounting of each layer cultivation frame very convenient, is conducive to the efficiency improving cultivation equipment cleaning.
Described cultivation storehouse is separated into the cultivation chamber of several and described cultivation frame adaptation by several vertical baffle plates, bottom described baffle plate with at the bottom of described cultivation storehouse, there is gap, each cultivation chamber is communicated with, being arranged in each cultivation chamber of described cultivation frame layering by the gap below described baffle plate.Being arranged on the layering of cultivation frame in each cultivation chamber, makes cultivation frame by support, make hierarchy of the present invention more stable.
As Alternate embodiments of the present invention: be also arranged side by side intake pump and draining pump bottom described water inlet surge bunker, intake pump is connected with water inlet pipe, water inlet pipe stretches out from the water inlet the bulkhead of water inlet surge bunker bottom, connect one for filtering the foreign material flange of foreign material in water body, described draining pump is connected with the discharge outlet on the bulkhead of water inlet surge bunker top by drainpipe, described water inlet surge bunker bottom surface is also provided with sewage draining exit, each described cultivation chamber is by the gap on upper chambers wall and breeding spaces ft connection, described gap height is lower than the top of described dividing plate, can not pass back into into water surge bunker to make the water being flowed into cultivation storehouse by water inlet surge bunker.
Described sewage draining exit stretches to the blowdown control valve shutoff at described breeding spaces top by a upper end, and this plugging structure is compared to shutoff plug structure, and the unlatching of handled easily sewage draining exit is with closed.
Compared with prior art, the present invention has following beneficial effect:
1) the present invention makes full use of the biological feed in natural waters, with suction pump by semi-enclosed for seawater suction breeding spaces, breeding spaces adopts the design of upwelling aqueous mode, aquaculture water is from bottom to top after the cultivation carrier of each Rotating fields, flow out breeding spaces, the natural bait that the shellfish be arranged on each layer cultivation carrier successively obtains the aquaculture water of rising is food, the inventive method substantially increases the availability of natural bait, achieve the through engineering approaches high-density breeding of the shellfishes such as pearl shell, improve culture benefit;
2) seawater after the present invention extracts filtration realizes the cultivation of shellfish, the attached biomass on shellfish body and cultivation equipment can be greatly reduced, improve the survival rate of shellfish culture, reduce the cleaning frequency, thus reduction hand labor intensity, reduce aquaculture cost, the present invention is suitable for inner bay and off-lying sea cultivation, mobility and practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of breeding spaces preferred embodiment of the present invention;
Fig. 2 is the structural representation of shellfish multilayer flowing water culture equipment preferred embodiment of the present invention;
Fig. 3 is the right view (this figure eliminates intake pump and draining pump) of Fig. 2;
Fig. 4 is the front view (ball float Board position changes a little) of Fig. 2;
Fig. 5 is the structural representation of preferred embodiment of the present invention cultivation frame;
In figure: 1 is intake pump; 2 is draining pump; 3 is foreign material flange; 4 is discharge outlet; 5 is drainpipe; 6 is blowdown control valve; 7 is ball float plate; 8 is water inlet surge bunker; 9 is cultivation storehouse; 10 is cultivation chamber; 11 is supporting plate; 12 is cultivation frame; 13 is frame week plate; 14 is bracing frame; 15 is gap; 16 is spillway hole; 17 is sewage draining exit.
Embodiment
The present invention to be described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
The shellfish multilayer flowing water culture equipment of the present embodiment comprises the cultivation carrier of breeding spaces and the sandwich construction be made up of container.
As shown in figures 1-4, breeding spaces is the cuboid-type container of the upper end open that is made up of PP material, and this container can transparent state.
The peripheral left and right sides of container, near top area, is respectively equipped with a ball float plate 7, can be used for binding ball float, keg float etc. and helps floating thing, can float on the water surface in use to make whole breeding spaces.
Breeding spaces inside is isolated into three chambeies by two pieces of dividing plates being parallel to breeding spaces front and back panels, and middle part is water inlet surge bunker 8, and water inlet surge bunker 8 both sides are all cultivation storehouse 9.With the bottom surface of breeding spaces, there is gap bottom dividing plate, be communicated with by the gap below dividing plate with water inlet surge bunker 8 bottom to make cultivation storehouse 9.
Each cultivation storehouse 9 is separated into four cultivation chambeies 10 by three vertical baffle plates, has gap, each cultivation chamber 10 is communicated with by the gap below baffle plate bottom baffle plate with cultivation bottom surface, storehouse 9.
The cultivation carrier of sandwich construction is arranged in each cultivation chamber 10 in each cultivation storehouse 9.In the present embodiment, the cultivation carrier of sandwich construction is made up of the cultivation frame 12 of four-layer structure, size and cultivation chamber 10 adaptation.Wherein, the cultivation frame 12 of bottom is held up by the supporting plate 11 on the inwall of cultivation chamber 10.As shown in Figure 5, cultivate frame 12 by frame bottom plate, PP material frame week plate 13 and be arranged on frame week plate 13 on, upper end exceed frame week plate 13 gripper shoe 14 form.The spillway hole 16 of shellfish volume adaptation frame bottom plate is dispersed with and cultivate.In cultivation chamber 10, the cultivation frame 12 on upper strata holds in the palm in the gripper shoe 14 of lower floor's cultivation frame 12, as shown in Figure 3.Being arranged in each cultivation chamber 10 of cultivation frame 12 layering, makes cultivation frame 12 better be supported, is conducive to making the structure of the cultivation carrier of sandwich construction of the present invention more stable.Upper strata cultivation frame is directly supported on this structure on lower floor's cultivation frame, facilitates the dismounting of each layer cultivation frame, is conducive to the efficiency submitting cultivation equipment cleaning to.
Be arranged side by side intake pump 1 and draining pump 2 bottom water inlet surge bunker 8, be arranged side by side and be conducive to cabling.Intake pump 1 is connected with water inlet pipe, and water inlet pipe stretches out from the water inlet the bulkhead of water inlet surge bunker 8 bottom, connecting one for filtering the foreign material flange 3 of foreign material in water body, preventing intake pump 1 from blocking.Draining pump 2 is connected with the discharge outlet 4 on the bulkhead of water inlet surge bunker 8 top by the vertical drainpipe 5 arranged.The bottom surface of water inlet surge bunker 8 opposite side is also provided with sewage draining exit 17, and sewage draining exit 17 stretches to blowdown control valve 6 shutoff at breeding spaces top by a upper end, and this plugging structure is compared to shutoff plug structure, and the unlatching of handled easily sewage draining exit 17 is with closed.Each cultivation chamber 10 is by the gap 15 on the wall of chamber and breeding spaces ft connection.Gap 15 height, lower than the top of dividing plate, can not pass back into into water surge bunker 8 to make the water being flowed into cultivation storehouse 9 by water inlet surge bunker 8.
Above-mentioned drainpipe 5, blowdown control valve 6, be pvc pipe for the pipeline forming gap 15.
The course of work of the present invention is as follows: ball float or keg float are fixed on the ball float plate 7 of breeding spaces, whole breeding spaces is positioned over mariculture area, make it float on the water surface, and be fixed with mooring system.Foreign material flange 3 is communicated with intake pump 1 by water inlet pipe, adjusts the degree of depth of foreign material flange 3.Blowdown control valve 6 is inserted in the sewage draining exit 17 of water inlet surge bunker 8 bottom surface.According to the specification of the spat of cultivation, select the cultivation frame 12 with suitable spillway hole 16, spat is put as in cultivation frame 12, then the cultivation frame 12 that spat is housed is overlayed in each cultivation chamber 10.Open intake pump 1, seawater in natural waters is by intake pump 1 suction water inlet surge bunker 8, and with the rising of water level, seawater enters cultivation chamber 10 through water inlet surge bunker 8, from bottom to top after layer cultivation frame 12 each in cultivation chamber 10, flow out breeding spaces from the gap 15 on cultivation top, chamber 10.
Draining pump 2 is for discharging the water in water inlet surge bunker 8, and owing to intaking, surge bunker 8 is communicated with cultivation bottom, storehouse 9, so the water in whole breeding spaces can be discharged by draining pump 2.The setting of draining pump 2, is conducive to the clean-up performance improving breeding spaces, reduces the frequency of cleaning cultivation equipment.Sewage draining exit 17, for when cleaning breeding spaces, is convenient to the discharge being gathered in the foreign material such as the mud at the bottom of pond.
The present invention utilizes lasting upwelling to cultivate shellfish, need regularly to clean breeding spaces after continuing cultivation a period of time, draining pump 2 is utilized to extract seawater in breeding spaces out, frame 12 will be cultivated take out from cultivation chamber 10, attachment on shellfish body and cultivation frame 12 is cleared up, meanwhile, the impurity such as the mud in water inlet surge bunker 8 are discharged by sewage draining exit 17.Support in shellfish process, note the growing state according to spat, change the cultivation frame 12 with larger spillway hole 16 in time, thus reduce the generation causing the blocked situation of spillway hole 16 because shellfish body is excessive.
Operation principle of the present invention is as follows: the present invention utilizes bait in natural sea area to be theory, and in conjunction with sea area different water levels biological feed investigation result, the water inlet pipe degree of depth of adjustment water inlet centrifugal pump, so that making full use of the preponderant algae that applicable shellfish ingests is bait.Spat tiling is placed in cultivation frame, according to seed size adjustment cultivation density.Cultivation frame is stacked in cultivation chamber, in breeding process, seawater is through intake pump suction water inlet surge bunker, along with the increase of water level, the gap of seawater between water inlet surge bunker and cultivation storehouse enters and cultivates chamber, from bottom to top through each layer cultivation frame, when water level rises to gap, discharge breeding spaces by gap, cultivation frame in spat with the biological feed in the seawater of lasting flowing for food.
The present invention also provides a kind of shellfish engineering culture method simultaneously, comprises the steps: 1) the cultivation carrier of sandwich construction is set in breeding spaces, as above-mentioned cultivation equipment; 2) shellfish layering is laid in the cultivation carrier of described sandwich construction; 3) extracting seawater sends into the aquaculture water of described breeding spaces as shellfish, and aquaculture water, from bottom to top after the cultivation carrier of each Rotating fields, flows out breeding spaces, and the natural bait that the shellfish on each layer cultivation carrier successively obtains in the aquaculture water in rising is food.
Shellfish engineering culture method of the present invention also comprises the steps:
1) according to sea area cultivate water condition detection result and different depth biological feed abundance, in conjunction with spat eating food species, the degree of depth of drawing water of adjustment intake pump 1, to greatest extent for spat provides high-quality bait.Meanwhile, consider the change of Various Seasonal water temperature, when temperature is higher or lower, the degree of depth of drawing water should decline.Summer temperature is high, and surface temperature, higher than more than 25 DEG C, exceedes the physiological activity suitable temperature range (13 ~ 25 DEG C) of pearl shell, now, and should the water layer of water intaking position adjustments to 3 ~ 4 meter; In season in spring and autumn, water temperature is usually 23 ~ 28 DEG C of range, and water intaking position can be relatively higher, should at the water layer of 1.5 ~ 2 meters; In winter, water intaking position, generally below 13 DEG C, should decline by water temperature.In typhoon, heavy rain season, the degree of depth of drawing water is adjusted to less than 3 ~ 4 meters water layers, to avoid the infringement of fresh water.
2) shellfish is laid on the laminate of cultivation carrier of sandwich construction, and laminate is loose structure, with the growth of shellfish, changes and has more wide-aperture laminate, reduce cultivation density simultaneously.Table 1 is the reference table of the selection of different size spat breeding density and cultivation frame.
Table 1
3) record the condition of water quality such as the water Inversion phenomenon of mariculture area every day, set up mariculture area condition of water quality archives.According to the adhesion condition of aufwuch in culturing time and breeding spaces, in time cultivation equipment and shellfish are cleared up, particularly cultivate the spillway hole of frame.General cultivation cleaning in 1 month once, measures the growing state of shellfish simultaneously, statistics lethality.
4) in summer or typhoon season, the present invention is also included in the step of adding a cover sunshade net or awning above described breeding spaces, reduces the impact on shellfish bulk-growth because of sun direct projection or fresh water impact.
Adopt cultivation equipment of the present invention and adopt traditional cone cage tool to carry out the culture efficiency contrast experiment of shellfish culture.
Cultivation frame is square build, and the length of side is 49m, and all plate hights of frame are 15cm.Traditional cone breeding cage base diameter is 30cm, cage tool height 40cm, mesh diagonal line length 1cm bottom cage tool.Cultivation Hepu nacre seed size is 14.79 ± 1.65mm, and body weight is 0.37 ± 0.13g, and the seed of initially putting in a suitable place to breed of two kinds of breeding way is 600.In breeding process, every 1 month cleaning spat once, and adjust cultivation density according to the growing state of spat, select the cultivation frame of different mesh cage tool and different spillway hole.Get 50 spats every month, measure the data such as its shell length, body weight, record shellfish body death condition.Through cultivation in 6 months, two kinds of breeding way cultivation Hepu nacre effects were in table 2.
Table 2
Experiment shows, adopt the inventive method cultivation Hepu nacre seedling after 6 months, Hepu nacre body reaches 48.26 ± 3.52mm, and body weight reaches 13.26 ± 1.32g, improve 13.9% relative to the Hepu nacre young body length of traditional cage tool cultivation, body weight improves 5.57%.At experimental session, the inventive method cultivation Hepu nacre seedling cultivation survival rate is adopted to be 78.48% ~ 96.68%, and traditional breeding cage cultivation survival rate is 64.32% ~ 94.24%, cultivate after 6 months, the more traditional cultivation survival rate of sampling the inventive method cultivation survival rate improves 22.01%.As can be seen here, the inventive method is adopted to be better than to the successful that Hepu nacre cultivates the culture efficiency adopting traditional cage tool.
Claims (10)
1. a shellfish engineering culture method, is characterized in that, comprises the steps:
1) the cultivation carrier of sandwich construction is set in breeding spaces;
2) shellfish layering is laid in the cultivation carrier of described sandwich construction;
3) extracting seawater sends into the aquaculture water of described breeding spaces as shellfish, and aquaculture water, from bottom to top after the cultivation carrier of each Rotating fields, flows out breeding spaces, and the natural bait that the shellfish on each layer cultivation carrier successively obtains in the aquaculture water in rising is food.
2. shellfish engineering culture method according to claim 1, it is characterized in that, described step 3) also comprises the step of filtering sea, namely extracts the seawater after filtering and sends into the aquaculture water of described breeding spaces as shellfish.
3. shellfish engineering culture method according to claim 2, is characterized in that, the degree of depth of the seawater extracted in step 3), according to sea area cultivate water condition detection result and different depth biological feed abundance, adjusts in conjunction with spat eating food species; The change of Various Seasonal water temperature is considered in the adjustment of the degree of depth of drawing water in step 3) simultaneously, and when temperature is higher or lower, the degree of depth of drawing water declines, and namely when summer and winter, the degree of depth of drawing water declines.
4. shellfish engineering culture method according to claim 2, it is characterized in that, described breeding spaces floats on the water surface, and in typhoon, heavy rain season, the described breeding spaces degree of depth of drawing water is adjusted to less than 3 ~ 4 meters water layers.
5. shellfish engineering culture method according to claim 2, is characterized in that, described shellfish is laid on the laminate of cultivation carrier of described sandwich construction, described laminate is loose structure, with the growth of shellfish, change and there is more wide-aperture laminate, reduce cultivation density simultaneously; In summer or typhoon season, described cultural method is also included in the step of adding a cover sunshade net or awning above described breeding spaces.
6. one kind for implementing the claims the shellfish multilayer flowing water culture equipment of shellfish engineering culture method described in 1, it is characterized in that, comprise the cultivation carrier of breeding spaces and the sandwich construction be made up of the container of upper end open, the periphery of described breeding spaces is provided with for fixing ball float, keg floats etc. help the ball float plate of floating thing, to make whole breeding spaces float on the water surface, described breeding spaces inside is isolated at least two chambeies by dividing plate, form cultivation storehouse and water inlet surge bunker, with the bottom surface of described breeding spaces, there is gap bottom described dividing plate, be communicated with by described gap with described water inlet surge bunker bottom to make described cultivation storehouse, the cultivation carrier of described sandwich construction is arranged in described cultivation storehouse.
7. shellfish multilayer flowing water culture equipment according to claim 6, it is characterized in that, the cultivation carrier of described sandwich construction is made up of two-layer above cultivation frame, the cultivation frame of bottom is held up by the supporting plate on the inwall of described cultivation storehouse, described cultivation frame by frame bottom plate, frame week plate and be arranged on frame week plate on, upper end exceed frame week plate gripper shoe form, the spillway hole of the shellfish volume adaptation described frame bottom plate is dispersed with and cultivate, the cultivation frame holder on upper strata is in the gripper shoe of lower floor's cultivation frame.
8. shellfish multilayer flowing water culture equipment according to claim 7, it is characterized in that, described cultivation storehouse is separated into the cultivation chamber of several and described cultivation frame adaptation by several vertical baffle plates, bottom described baffle plate with at the bottom of described cultivation storehouse, there is gap, each cultivation chamber is communicated with, being arranged in each cultivation chamber of described cultivation frame layering by the gap below described baffle plate.
9. shellfish multilayer flowing water culture equipment according to claim 8, it is characterized in that, intake pump and draining pump has also been arranged side by side bottom described water inlet surge bunker, intake pump is connected with water inlet pipe, water inlet pipe stretches out from the water inlet the bulkhead of water inlet surge bunker bottom, connect one for filtering the foreign material flange of foreign material in water body, described draining pump is connected with the discharge outlet on the bulkhead of water inlet surge bunker top by drainpipe, described water inlet surge bunker bottom surface is also provided with sewage draining exit, each described cultivation chamber is by the gap on upper chambers wall and breeding spaces ft connection, described gap height is lower than the top of described dividing plate.
10. shellfish multilayer flowing water culture equipment according to claim 9, is characterized in that, described sewage draining exit stretches to the blowdown control valve shutoff at described breeding spaces top by a upper end.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638542A (en) * | 2016-01-12 | 2016-06-08 | 朱夏峰 | Floating type culture device and method |
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| CN111903616A (en) * | 2019-05-07 | 2020-11-10 | 赖万正 | Firefly breeding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105638542A (en) * | 2016-01-12 | 2016-06-08 | 朱夏峰 | Floating type culture device and method |
| CN106665453A (en) * | 2016-12-13 | 2017-05-17 | 大连海洋大学 | Scallop seaborne temporary culture purification system based on aquaculture area bottom seawater development and utilization |
| CN106665453B (en) * | 2016-12-13 | 2019-08-13 | 大连海洋大学 | The marine temporarily feeding purification system of scallop based on the development and utilization of aquaculture sea area bottom seawater |
| CN107372236A (en) * | 2017-08-25 | 2017-11-24 | 中国水产科学研究院南海水产研究所 | A kind of lamina affixad and method for culturing seedlings of Holothuria scabra artificial breeding |
| CN107801675A (en) * | 2017-12-21 | 2018-03-16 | 江苏海辰科技集团有限公司 | A kind of economizing type marine product three-dimensional culture device |
| CN111903616A (en) * | 2019-05-07 | 2020-11-10 | 赖万正 | Firefly breeding device |
| CN115152682A (en) * | 2022-08-22 | 2022-10-11 | 江苏电子信息职业学院 | Material intelligent device spills of compound feed is supported to crayfish essence |
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