CN103155889A - Facility and method for early breeding of hyriopsis cumingii seeds - Google Patents
Facility and method for early breeding of hyriopsis cumingii seeds Download PDFInfo
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- CN103155889A CN103155889A CN201310088460XA CN201310088460A CN103155889A CN 103155889 A CN103155889 A CN 103155889A CN 201310088460X A CN201310088460X A CN 201310088460XA CN 201310088460 A CN201310088460 A CN 201310088460A CN 103155889 A CN103155889 A CN 103155889A
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Abstract
The invention provides a facility and a method for early breeding of hyriopsis cumingii seeds. The facility comprises an egg breeding shed, a bait shed and a seed breeding shed. The egg breeding shed is provided with an egg breeding pool shed body and an egg breeding pool with an oxygenation pipeline at the bottom, breeding net boxes are arranged in the egg breeding pool; a bait pool shed body and a bait pool is arranged in the bait shed, filter screens are arranged in the bait pool; the seed breeding shed comprises a seed breeding pool shed body and a seed breeding pool, seed breeding districts are arranged in the seed breeding pool, a bait releasing pipeline is arranged above the connection position of two adjacent rows of the seed breeding districts, water drainage trench grooves are formed below the connection position of two adjacent rows of the seed breeding districts and on the periphery of the seed breeding pool, and an impounding reservoir is also arranged in the seed breeding pool; the bait pool is communicated with the seed breeding pool through a guiding pipe and a water discharging tube. The facility and the method for the early breeding of the hyriopsis cumingii seeds have the advantages that an oxygenation facility is arranged at the bottom of the egg breeding pool, oxygen can be tenderly provided for mother mussels, a circulation is formed between the bait shed and the seed breeding shed, recycle of baits can be achieved, and heat loss can be reduced; in addition, the structures of the egg breeding shed, the bait shed and the seed breeding shed are simple, assembly and disassembly are convenient, and a guarantee is provided for stable yield and high yield of the hyriopsis cumingii, and for low-cost seed early breeding.
Description
Technical field
The seed that the present invention relates to hydriopsis cumingii is early numerous, specifically, is a kind of for hydriopsis cumingii seed early numerous system breeding method early.
Background technology
Hydriopsis cumingii (
Hyriopsis cumingii) be commonly called as freshwater mussel, pearl freshwater mussel, triangle freshwater mussel, it is a kind of Non-marine Bivalves mollusk, be subordinate to Mollusca, lamellibranchiata, Eulamellibranchia, Unionidae, the sail freshwater mussel belongs to, be the endemic species of China, lake, tributary that mainly is distributed in the Yangtze river basin, Basin of Huaihe River etc. has in the large and medium-sized water body of miniflow water, and Poyang Lake, Dongting Lake, Taihu Lake, Chaohu and Hongchehu Lake five large fresh water lake resources are particularly abundant.The pearl that hydriopsis cumingii forms has the smooth exquisiteness of pearl matter, lovely luster, ball rate advantages of higher, is the person the best in quality that grows cultured pearls in mussel, has therefore become topmost freshwater cultured pearl freshwater mussel.In recent years, because natural water area intermediate cam sail freshwater mussel is adopted in a large number to catch and is caused the in short supply of freshwater mussel source, therefore promote and the development water pearl culture in must utilize manual method to grow seedlings.Yet, the hydriopsis cumingii of natural water area or cultivating pool generally April early and middle ten days begin the breeding, the 5-6 month is Period of reproductive peak, but post the hydriopsis cumingii of seedling production and cultivate November then in this period, and because growth period is short, most of little freshwater mussel can not reach the inserted sheet specification, can only wait until next spring even autumn inserted sheet, greatly delay the production of growing cultured pearls, shortened the cycle of growing cultured pearls, strengthened aquaculture cost and risk.Some culturists also attempt coming breeding in advance by building the greenhouse, and are namely early numerous, but cause breeding failure or kind of the amount of growing seedlings not to reach the requirement of production because the Design of Greenhouse of links is undesirable, or abandon early numerous plan because construction cost is too high.
Therefore need badly and a kind ofly be suitable for hydriopsis cumingii stable and high yields, early numerous facility and the method for seed cheaply, but there is not yet report about such facility and method at present.
Summary of the invention
The objective of the invention is for deficiency of the prior art, early numerous facility of a kind of hydriopsis cumingii seed is provided.
One purpose more of the present invention is that early breeding method of a kind of hydriopsis cumingii seed is provided.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of hydriopsis cumingii seed is numerous facility early, and it comprises educates ovum canopy, bait canopy, seedling growth greenhouse:
The described ovum canopy of educating is provided with the top by educating that ovum pond canopy body blocks and the oxygenation pipeline is laid in the bottom educates the ovum pond, and the described ovum pond of educating comprises the cultivation net cage;
Described bait canopy is provided with the bait pond that the top is blocked by bait pond canopy body, and described bait is provided with screen pack in the pond;
Described seedling growth greenhouse is provided with the nursery pond that the top is blocked by nursery pond canopy body, described nursery pond is provided with the nursery pond interval, top, the interval junction of two adjacent row nursery ponds is provided with bait and discharges pipeline, the below of two adjacent junctions, row nursery ponds interval and the surrounding of nursery pond are provided with drainage channel, also are provided with cistern in described nursery pond;
Described bait pond and nursery pond are connected by bait ingress pipe and outlet pipe.
Described bait ingress pipe one end connects screen pack, and the other end connects bait and discharges pipeline; Described outlet pipe is suction pump, and an end connects cistern, and the other end connects the bait pond.
As another embodiment of the invention, described bait ingress pipe is suction pump, and an end connects screen pack, and the other end connects water storage barrel, and described water storage barrel discharges pipeline with bait and is connected; Described outlet pipe one end connects cistern, and the other end connects the bait pond.
Preferably, described facility also is provided with the water-level control apparatus that can control the suction pump switch.
Preferably, described water-level control apparatus is provided with the multistage probe that is in the interior differing heights of water storage barrel place, the external water level controller of described multistage probe, and described water level controller is connected with suction pump.
Preferably, described cultivation net cage bottom margin is provided with the gravity parts.
Preferably, described gravity parts are iron pipes.
Preferably, described bait discharges pipeline to be made by plastic film tube, and the above is provided with micropore.
For realizing above-mentioned second purpose, the technical scheme that the present invention takes is:
A kind of hydriopsis cumingii seed is breeding method early, and it is to adopt as above arbitrary described hydriopsis cumingii seed numerous facility morning, carries out in accordance with the following methods:
1) close freshwater mussel educates ovum: female freshwater mussel and the male freshwater mussel of select are carried out mark, hang over and educate in the ovum canopy, during open the oxygenation pipeline according to weather conditions in good time, carry out oxygenation, and observe female freshwater mussel and educate the ovum situation;
2) bait is cultivated: observe hook Jie larva when soon ripe, beginning is cultivated bait in the bait pond, and puts grass carp and bighead in a suitable place to breed in the bait pond;
3) posting the seedling fish cultivates: hook is situated between after the close freshwater mussel of larva maturation chooses, it is dried in the shade tells seedling and posts seedling with yellow cartfish, posting yellow cartfish after seedling is placed on and cultivates cultivation in net cage, look during this time weather conditions and open the oxygenation pipeline, regularly bait throwing in, and observe hook Jie larval growth situation, in time transfer to nursery pond in the time of will coming off;
4) take off seedling: post hook Jie larva on the yellow cartfish gill will come off the time, it is in time transferred to nursery pond, flowing water is supported temporarily and is treated that it takes off seedling, take off seedling fully after, yellow cartfish is all pulled out;
5) young freshwater mussel is cultivated: the nurturing period fertile degree of looking water is executed the duck excrement and the soya-bean milk of splashing to the bait pond, depending on the acid-base value of the water quicklime of splashing, check screen pack and the yarn tulle that is wrapped in bait ingress pipe port every day, note to observe whether suction pump stops up and in time cleaning, discharge the hole count on pipeline both sides and add the large aperture along with the growth of freshwater mussel seedling increases bait.
Hydriopsis cumingii seed according to claim 9 is breeding method early, it is characterized in that, before yellow cartfish is posted seedling, first the cultivation net cage is placed on and educates in the ovum pond in step 3), makes its surface attachment algae.
The invention has the advantages that:
Hydriopsis cumingii seed numerous facility morning of the present invention comprises educates ovum canopy, bait canopy, seedling growth greenhouse,
The first, the oxygenation facility of educating in the ovum canopy is arranged on the bottom, adopts micro-pore aeration, and the hydriopsis cumingii parent freshwater mussel to being in the stage of growing seedlings that can be gentle provides oxygen, farthest reduces oxygenation process close freshwater mussel is educated the interference that ovum causes;
The second, post the seedling fish and cultivate net cage bottom employing gravity parts, especially adopt steel pipe, can make the net cage full extension increase activity space;
The 3rd, bait canopy and seedling growth greenhouse form complete water circulation, and the recycling bait of not eaten, can reduce scattering and disappearing of heat on the other hand on the one hand, strengthens heat insulation effect, improves survival rate and the growth rate of freshwater mussel seedling;
The 4th, the low and ease of assembly of the construction cost of seedling growth greenhouse and splitting out makes the addressing in the place of growing seedlings more flexible;
The 5th, bait discharges pipeline can come regulating water flow by increasing the water outlet hole count along with the growth of freshwater mussel seedling, simple and easy to do;
More than be the hydriopsis cumingii stable and high yields, seed is early numerous cheaply that guarantee is provided.
Description of drawings
Accompanying drawing 1 is to educate ovum booth structure schematic diagram.
Accompanying drawing 2 is to cultivate the cage structure schematic diagram.
Accompanying drawing 3 is bait canopy and seedling growth greenhouse structural representations of embodiment 1.
Accompanying drawing 4 is seedling growth greenhouse planes of embodiment 1.
Accompanying drawing 5 is that bait discharges pipeline water spraying mode figure.
Accompanying drawing 6 is bait canopy and seedling growth greenhouse structural representations of embodiment 2.
Accompanying drawing 7 is water-level control apparatus structural representations.、
Embodiment
Below in conjunction with accompanying drawing, embodiment provided by the invention is elaborated.
The Reference numeral and the part that relate in accompanying drawing are as follows:
1. educate ovum canopy 11. and educate ovum canopy canopy body
12. educate ovum pond 121. supports
13. cultivate net cage 131. net sheets
132. gravity parts 133. stationary ropes
14. aerator 15. oxygenation pipelines
151. horizontal pipeline 152. pipe tunnels
2. bait canopy 21. bait canopy canopy bodies
22. bait pond 23. screen packs
3. seedling growth greenhouse 31. seedling growth greenhouse canopy bodies
32. nursery pond 321. nursery ponds are interval
33. bait discharges pipeline 34. drainage channels
35. cistern 4. bait ingress pipes
5. outlet pipe 6. water storage barrels
61. bung 7. water-level control apparatus
71. the first probe 72. second probes
73. the 3rd probe 74. the 4th probes
75. public probe 76. water level controllers
Embodiment 1 hydriopsis cumingii seed of the present invention is numerous facility () early
Hydriopsis cumingii seed numerous facility morning of the present invention comprises educates ovum canopy 1, bait canopy 2, seedling growth greenhouse 3.
One, educate the ovum canopy
Please refer to Fig. 1, Fig. 1 educates ovum booth structure schematic diagram.The described ovum canopy 1 of educating is provided with and educates ovum canopy canopy body 11, educates ovum pond 12, cultivates net cage 13, aerator 14 and oxygenation pipeline 15.The described ovum pond 12 of educating is rectangular slot, and its top is blocked by educating ovum canopy canopy body 11; Educate in ovum pond 12 and be provided with support 121, be used for supporting and educate ovum pond canopy body 11.The described ovum canopy 1 of educating also is provided with cultivation net cage 13.Described aerator 14 is arranged on a side of educating 12 long limits, ovum pond, and connects oxygenation pipeline 15.Described oxygenation pipeline 15 is arranged in the bottom of educating ovum pond 12, comprise horizontal pipeline 151 and pipe tunnel 152, described horizontal pipeline 151 is with to educate long limits, ovum pond 12 parallel, which is provided with a plurality of nodes and connect pipe tunnel 152, described pipe tunnel 152 is arranged along the direction of the support 121 parallel with educating ovum pond 12 minor faces, and described pipe tunnel 152 is provided with some micropores (not shown).
Please refer to Fig. 2, Fig. 2 cultivates the cage structure schematic diagram.Described cultivation net cage 13 is the cuboid net cage, upper end open, and surrounding and bottom are net sheet 131; Bottom surface two is respectively equipped with gravity parts 132 on long limit, and described gravity parts 132 are iron pipe, settle two on every long limit; Four corners of the end face of described cultivation net cage 13 are equipped with stationary rope 133.Posting between seedling fish culture period, described stationary rope 133 is suspended on support 121, be used for cultivating and post the seedling fish.
Need to prove, described gravity parts 132 can make cultivates net cage 13 expansion smoothly in water, large as far as possible space is provided for the activity of posting the seedling fish, preferably uses two iron pipes, conveniently to mention the situation that the seedling fish is posted in net cage 13 observations of cultivating; The stationary rope 133 of this cultivation net cage 13 can conveniently be hung on it to educate to complete in ovum pond 12 posts the link that the seedling fish is cultivated; Described oxygenation pipeline 15 is arranged on the bottom of educating ovum pond 12, the oxygenation facility of comparable other types can provide oxygen more lenitively in water, farthest reduce in oxygenation process close freshwater mussel is educated the interference that ovum causes, can be hydriopsis cumingii parent freshwater mussel and educate ovum a stable environment is provided, the variation that prevents outside weather is educated ovum to close freshwater mussel and is caused harmful effect; The described ovum canopy canopy body 11 of educating can make close freshwater mussel educate ovum in the relatively high environment of temperature; The described ovum canopy 1 of educating can also be as next step the place that the seedling fish is cultivated of posting, the cultivation of posting the seedling fish is a key link, need equally stable and higher temperature and sufficient oxygen, if hook Jie larva that environment is unstable or anoxic probably causes posting on the seedling fish comes off, the ovum canopy 1 of educating of the present invention can be the cultivation of posting the seedling fish such environment is provided.
Two, bait canopy and seedling growth greenhouse
Please refer to Fig. 3, Fig. 3 is bait canopy and the seedling growth greenhouse structural representation of embodiment 1.
Described bait canopy 2 is provided with bait canopy canopy body 21 and bait pond 22, and described bait pond 22 is rectangular slot, and its top is blocked by bait canopy canopy body 21; Also be provided with screen pack 23 in bait pond 22, described screen pack 23 is the cuboid net cages that surrounded by gauze.
Described seedling growth greenhouse 3 is provided with seedling growth greenhouse canopy body 31, nursery pond 32, bait release pipeline 33, drainage channel 34 and cistern 35.Described nursery pond 32 is rectangular slot, and its top is blocked by seedling growth greenhouse canopy body 31.
Please refer to Fig. 4, Fig. 4 is the seedling growth greenhouse plane of embodiment 1.Be provided with nursery pond interval 321 in nursery pond 32, described nursery pond interval 321 is rectangle ponds, can be built into by common brick, uses cement floating at the bottom of the pond.It is (not shown that the upper end of adjacent 321 junctions, two row nursery ponds intervals is equipped with anti-rough film, can be plastic foil), described anti-rough film top is placed with bait and discharges pipeline 33, and described bait discharges pipeline 33 and is provided with micropore (not shown), and bait discharges pipeline 33 can select plastic film tube.
Described drainage channel 34 is arranged at the below of adjacent 321 junctions, nursery pond interval and the periphery of whole nursery pond 32, forms the circulation of an intercommunication; Described cistern 35 is arranged at a jiao of nursery pond 32, is rectangular slot, and is connected with drainage channel 34.
Please refer to again Fig. 3, be connected by bait ingress pipe 4 and outlet pipe 5 between described bait canopy 2 and seedling growth greenhouse 3, described bait ingress pipe 4 is T shape pipeline, one end is communicated in screen pack 23, another part is positioned at the edge of nursery pond 32 inside, parallel with the long limit of nursery pond 32, and above be provided with a plurality of nodes, discharge pipeline 33 with bait respectively and be communicated with; Described outlet pipe 5 is suction pump, and an end is communicated in bait pond 2, and an end is communicated in cistern 35.
Need to prove, design of the present invention makes bait canopy 2 and seedling growth greenhouse 3 form a circulation: described bait ingress pipe 4 can import the water in bait pond 22 in nursery pond 32, described bait discharges pipeline 33 can be injected into the water with bait nursery pond interval 321, the water drainage that described drainage channel 34 is used for flowing out from nursery pond interval 321 is to cistern 35, described cistern 35 can temporaryly hold from the water of the interval 321 interior outflows of nursery pond, and by outlet pipe 35, it is withdrawn in bait pond 22 again, complete a circulation.The circulation that bait canopy 2 and seedling growth greenhouse 3 form is the recycling bait of not eaten on the one hand, can reduce on the other hand scattering and disappearing of heat, strengthens heat insulation effect.
ripe hook Jie larva is after post the seedling fish and split away off, to cultivate the bimestrial time nearly in nursery pond, in this period, the survival rate of freshwater mussel seedling and growth rate largely depend on the stable and bait supply of environment, the present invention is provided with bait canopy 2, with regard to good this problem that solved, described bait canopy 2 is used for cultivating some algae, for the freshwater mussel seedling in seedling growth greenhouse 3 provides food, on the other hand, bait canopy 2 can improve the temperature of water for larval nursing, to improve the temperature of the interior freshwater mussel seedling of seedling growth greenhouse 3 growing environment, in known certain limit, the higher freshwater mussel seedling of temperature growth rate is faster, therefore can promote the Fast Growth of freshwater mussel seedling.During concrete enforcement, also the fertile degree of visual water is executed some muck or the soya-bean milk of splashing in bait canopy 2, guarantees the supply of bait, and the pH value of the quicklime adjusting water of can regularly splashing, and it is controlled at the scope that is fit to the growth of freshwater mussel seedling.
Described screen pack 23 can stop that large-scale aquatile in bait pond 22 and foreign material etc. are entered in nursery pond 32 by bait ingress pipe 4 with current, avoid the growth of freshwater mussel seedling is constituted a threat to.Also can the yarn tulle be set with further filtration in bait ingress pipe 4 port position.Described nursery pond 32 is built into by common fragment of brick, at the bottom of the pond, available cement is floating, perhaps clap with brick or other instruments, can water filling after adjacent two rows spread a monoblock plastic film on nursery ponds, this simple structure, flexibly, cost is low and it is all very convenient to build and dismantle, this just make seedling growth greenhouse 3 to build the place very flexible, grow seedlings and can remove at any time after completing, do not affect his and use.Described bait discharges pipeline 33 simple structures, only consisted of by plastic film tube, being full of after water on both sides are pricked that Kong Houshui just can be sprayed onto (can be with reference to Fig. 5 in nursery pond interval 321, Fig. 5 is that bait discharges pipeline water spraying mode figure), and can along with the growth of freshwater mussel seedling, regulate and control streamflow in nursery pond by quantity and the hole diameter enlargement that increases the hole.
The bait canopy 2 of the present embodiment and the design of seedling growth greenhouse 3 are applicable to the physical features of bait canopy 2 higher than the situation of seedling growth greenhouse 3, can make the water automatic stream seedling growth greenhouse 3 in bait canopy 2.
Embodiment 2 hydriopsis cumingii seed of the present invention is numerous facility () early
Please refer to Fig. 6, Fig. 6 is another kind of bait canopy and seedling growth greenhouse structural representation.
The structure of described bait canopy 2 and seedling growth greenhouse 3 is substantially the same manner as Example 1, and difference only is: described screen pack 23 is arranged at the corner location in bait pond 22; Described bait ingress pipe 4 is suction pump; The corner location of described nursery pond 32 is provided with water storage barrel 6, and described water storage barrel 6 upper ends are provided with open bung 61, and the bottom is provided with through hole, and connects bait and discharge pipeline 33; Described outlet pipe 5 is common water pipe; And also be provided with water-level control apparatus 7 between the present embodiment bait canopy 2 and seedling growth greenhouse 3.
Please refer to Fig. 7, Fig. 7 is the water-level control apparatus structural representation.Described water-level control apparatus 7 comprises first probe the 71, second probe the 72, the 3rd probe the 73, the 4th probe 74, public probe 75 and water level controller 76.Described first probe the 71, second probe the 72, the 3rd probe the 73, the 4th probe 74 and public probe 75 are in five different water level places of water storage barrel 6 inside, and by the external water level controller 76 of wire, described water level controller 76 is suction pump with bait ingress pipe 4() be connected.
utilize above-mentioned water-level control apparatus 7 can control the height of water storage barrel 6 interior water, meeting autoshutdown suction pump when water level surpasses certain altitude, water level can be opened suction pump automatically lower than certain altitude, its principle is: first the probe 71 present positions be the low water level that begins to draw water, the 4th the probe 74 present positions be the high water level that stops pumping, when actual water level at the first probe during 71 present position, by the first probe 71, signal of water shortage is transferred to water level controller 76, start suction pump after described water level controller 76 processing signals, to the interior water filling of water storage barrel 6, when water level reaches the peak level that sets namely during the 4th probe 74 present position, the 4th probe 74 is transferred to water level controller 76 with the full signal of water, water level controller 76 sends instruction and cuts out suction pump, stop water filling.Water level all had corresponding LED lamp to show at 74 o'clock on water level controller 76 at first probe the 71, second probe the 72, the 3rd probe the 73, the 4th probe.Therefore, can grasp at any time inner bucket water position situation.
Need to prove, the bait canopy 2 of the present embodiment and the design of seedling growth greenhouse 3 are applicable to the situation that the physical features of bait canopy 2 and seedling growth greenhouse 3 is more or less the same, water in bait this moment pond 22 can't flow in nursery pond 32 automatically, this just needs working pressure equipment such as suction pump to draw water, but the water current by suction pump suction nursery pond 32 are large and unstable, therefore can not directly grow seedlings, and water storage barrel 6 can address this problem.Water storage barrel 6 is as a temporary transient water-storing device, cushioned the flow velocity of the water of being extracted out by suction pump, can be stable water for larval nursing is provided.The cyclic process of the present embodiment is compared with embodiment 1, so different only using suction pump will be extracted into the water of bait in nursery pond 33 as the bait ingress pipe, relies on pressure difference to make water in cistern 35 automatically flow back in bait pond 22.Water-level control apparatus 7 of the present invention is not limited only to a kind of pattern of the present embodiment, can also adopt the device for controlling water level such as float switch.
1, close freshwater mussel educates ovum: female freshwater mussel and the male freshwater mussel of select are carried out mark, hang over and educate in ovum canopy 1, during open aerator 14 according to weather conditions in good time and namely open oxygenation pipeline 15, carry out oxygenation.Observe once female freshwater mussel early stage every about seven days and educate the ovum situation, the later stage observes once every couple of days.Female freshwater mussel external gill is by the faint yellow orange colour that gradually becomes, lark or be lilac, and expression hook Jie larva is ripe.Or with slighing an acupuncture people external gill, take out carefully hook Jie larva along gill filament direction, if can take out of one continuously filament show that namely maturity is better;
2, bait is cultivated: observe hook Jie larva when soon ripe, beginning is at bait pond 22 interior cultivation bait, with the duck dunghill that ferments in the bait pond four jiaos, and grass carp and the bigheads that will put some in bait pond 22 in a suitable place to breed come regulating water quality;
3, posting the seedling fish cultivates: cultivate net cage 13 and will be placed in advance and educate in ovum pond 12, make some algae of its surface attachment, cultivate like this net cage 13 surfaces and become smooth to reduce posting the injury of seedling fish.Hook is situated between after the close freshwater mussel of larva maturation chooses, it is dried in the shade tell seedling and post seedling with yellow cartfish (50-150g/ tail), post yellow cartfish after seedling and be placed on and cultivate net cage 13 interior (specification and quantity are decided with concrete condition).Look during this time weather conditions and open aerator 14, open oxygenation pipeline 15, regularly bait throwing in, and observed hook Jie larval growth situation every 1-2 days, in time transfer to nursery pond in the time of will coming off;
4, the preparation of seedling growth greenhouse: nursery pond 32 and bait discharge pipeline 33 and press above-described embodiment 1 or 2 layings, if bait canopy 2 physical features adopt embodiment 1 to carry out periodical feeding higher than seedling growth greenhouse 3, adopt embodiment 2 to carry out periodical feeding if be more or less the same;
5, take off seedling: post hook Jie larva on the yellow cartfish gill will come off the time, it is pulled out in net cage 13 in the nursery pond 32 that is placed in seedling growth greenhouse 3 from cultivating, flowing water is supported temporarily and is treated that it takes off seedling.Find during this time to have dead yellow cartfish in time to pull out, and check the dropping situations of seedling in the yellow cartfish gill, have a greater part of yellow cartfish take off seedling fully after, it is all pulled out, enter young freshwater mussel breeding phase;
6, young freshwater mussel is cultivated: the fertile degree of looking water in nurturing period bait pond 22 is executed the duck excrement and the soya-bean milk of splashing, depending on the acid-base value of the water quicklime of splashing, check screen pack 23 and the yarn tulle that is wrapped in bait ingress pipe 4 ports every day, find damaged in time the repairing or replacing, notice observing whether suction pump stops up and in time cleaning.Discharge the hole count on pipeline 33 both sides and add the large aperture along with the growth of freshwater mussel seedling increases bait, to regulate the flow of nursery pond 32 interior water, for the growth of freshwater mussel seedling provides enough oxygen and bait.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and replenish, these improvement and replenish and also should be considered as protection scope of the present invention.
Claims (10)
1. hydriopsis cumingii seed numerous facility morning, is characterized in that, it comprises educates ovum canopy, bait canopy, seedling growth greenhouse:
The described ovum canopy of educating is provided with the top by educating that ovum pond canopy body blocks and the oxygenation pipeline is laid in the bottom educates the ovum pond, and the described ovum pond of educating also comprises the cultivation net cage;
Described bait canopy is provided with the bait pond that the top is blocked by bait pond canopy body, and described bait is provided with screen pack in the pond;
Described seedling growth greenhouse is provided with the nursery pond that the top is blocked by nursery pond canopy body, described nursery pond is provided with the nursery pond interval, top, the interval junction of two adjacent row nursery ponds is provided with bait and discharges pipeline, the below of two adjacent junctions, row nursery ponds interval and the surrounding of nursery pond are provided with drainage channel, also are provided with cistern in described nursery pond;
Described bait pond and nursery pond are connected by bait ingress pipe and outlet pipe.
2. hydriopsis cumingii seed numerous facility morning according to claim 1, is characterized in that, described bait ingress pipe one end connects screen pack, and the other end connects bait and discharges pipeline; Described outlet pipe is suction pump, and an end connects cistern, and the other end connects the bait pond.
3. hydriopsis cumingii seed numerous facility morning according to claim 1, is characterized in that, described bait ingress pipe is suction pump, and an end connects screen pack, and the other end connects water storage barrel, and described water storage barrel discharges pipeline with bait and is connected; Described outlet pipe one end connects cistern, and the other end connects the bait pond.
4. hydriopsis cumingii seed numerous facility morning according to claim 3, is characterized in that, described facility also is provided with the water-level control apparatus that can control the suction pump switch.
5. hydriopsis cumingii seed according to claim 4 numerous facility early, it is characterized in that, described water-level control apparatus is provided with the multistage probe that is in the interior differing heights of water storage barrel place, the external water level controller of described multistage probe, and described water level controller is connected with suction pump.
6. according to claim 1-5 arbitrary described hydriopsis cumingii seeds numerous facilities morning, is characterized in that, described cultivation net cage bottom margin is provided with the gravity parts.
7. hydriopsis cumingii seed numerous facility morning according to claim 6, is characterized in that, described gravity parts are iron pipes.
8. according to claim 1-5 arbitrary described hydriopsis cumingii seeds numerous facilities morning, is characterized in that, described bait discharges pipeline to be made by plastic film tube, and the above is provided with micropore.
9. hydriopsis cumingii seed breeding method morning, is characterized in that, it is to adopt early numerous facility of the arbitrary described hydriopsis cumingii seed of claim 1-5, carries out in accordance with the following methods:
1) close freshwater mussel educates ovum: female freshwater mussel and the male freshwater mussel of select are carried out mark, hang over and educate in the ovum canopy, during open the oxygenation pipeline according to weather conditions in good time, carry out oxygenation, and observe female freshwater mussel and educate the ovum situation;
2) bait is cultivated: observe hook Jie larva when soon ripe, beginning is cultivated bait in the bait pond, and puts grass carp and bighead in a suitable place to breed in the bait pond;
3) posting the seedling fish cultivates: hook is situated between after the close freshwater mussel of larva maturation chooses, it is dried in the shade tells seedling and posts seedling with yellow cartfish, posting yellow cartfish after seedling is placed on and cultivates cultivation in net cage, look during this time weather conditions and open the oxygenation pipeline, regularly bait throwing in, and observe hook Jie larval growth situation, in time transfer to nursery pond in the time of will coming off;
4) take off seedling: post hook Jie larva on the yellow cartfish gill will come off the time, it is in time transferred to nursery pond, flowing water is supported temporarily and is treated that it takes off seedling, take off seedling fully after, yellow cartfish is all pulled out;
5) young freshwater mussel is cultivated: the nurturing period fertile degree of looking water is executed the duck excrement and the soya-bean milk of splashing to the bait pond, depending on the acid-base value of the water quicklime of splashing, check screen pack and the yarn tulle that is wrapped in bait ingress pipe port every day, note to observe whether suction pump stops up and in time cleaning, discharge the hole count on pipeline both sides and add the large aperture along with the growth of freshwater mussel seedling increases bait.
10. hydriopsis cumingii seed according to claim 9 breeding method early, is characterized in that, before yellow cartfish is posted seedling, first the cultivation net cage is placed on and educates in the ovum pond in step 3), makes its surface attachment algae.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088460XA CN103155889A (en) | 2013-03-20 | 2013-03-20 | Facility and method for early breeding of hyriopsis cumingii seeds |
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