CN110292007A - Hybrid scallop seedling raising method and device - Google Patents
Hybrid scallop seedling raising method and device Download PDFInfo
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- CN110292007A CN110292007A CN201910723800.9A CN201910723800A CN110292007A CN 110292007 A CN110292007 A CN 110292007A CN 201910723800 A CN201910723800 A CN 201910723800A CN 110292007 A CN110292007 A CN 110292007A
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- 235000020637 scallop Nutrition 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 32
- 241000237509 Patinopecten sp. Species 0.000 title claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 235000015170 shellfish Nutrition 0.000 claims abstract description 56
- 230000005070 ripening Effects 0.000 claims abstract description 17
- 241000195493 Cryptophyta Species 0.000 claims abstract description 11
- 238000009395 breeding Methods 0.000 claims abstract description 9
- 230000001488 breeding effect Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 42
- 239000004744 fabric Substances 0.000 claims description 16
- 238000012258 culturing Methods 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 15
- 230000012447 hatching Effects 0.000 claims description 12
- 241000206751 Chrysophyceae Species 0.000 claims description 10
- 230000032696 parturition Effects 0.000 claims description 9
- 102000002322 Egg Proteins Human genes 0.000 claims description 8
- 108010000912 Egg Proteins Proteins 0.000 claims description 8
- 210000004681 ovum Anatomy 0.000 claims description 8
- 210000004027 cell Anatomy 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- 239000003651 drinking water Substances 0.000 claims description 7
- 235000020188 drinking water Nutrition 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 5
- 238000000386 microscopy Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 206010000234 Abortion spontaneous Diseases 0.000 claims description 4
- 241000180701 Nitzschia <flatworm> Species 0.000 claims description 4
- 230000003115 biocidal effect Effects 0.000 claims description 4
- 230000018109 developmental process Effects 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 208000015994 miscarriage Diseases 0.000 claims description 4
- 230000016087 ovulation Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- 239000013535 sea water Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 208000000995 spontaneous abortion Diseases 0.000 claims description 4
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- 238000011105 stabilization Methods 0.000 claims description 4
- 230000000638 stimulation Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000004083 survival effect Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 241000237503 Pectinidae Species 0.000 abstract 7
- 230000001133 acceleration Effects 0.000 abstract 2
- 206010000210 abortion Diseases 0.000 abstract 1
- 231100000176 abortion Toxicity 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
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- 230000003203 everyday effect Effects 0.000 abstract 1
- 210000003608 fece Anatomy 0.000 abstract 1
- 230000007794 irritation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 241000237516 Mizuhopecten yessoensis Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
-
- 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
-
- 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
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
-
- 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)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a method and a device for breeding hybrid scallops, which adopt a culture pond for the hybrid scallops to breed according to the following steps: temporary breeding and ripening of parent shellfish: cleaning parent scallops, separating male and female scallops, putting the scallops into hanging baskets in a culture pond, putting the scallops into the pond according to the density of 30-40 scallops per cubic meter of water, raising the temperature of the internal water, raising the culture temperature gradually from about 4.5 ℃, raising the temperature to 0.5 ℃ every 3-4 days, and finally raising the temperature to 11 ℃ to be stable for production; changing water 1/2 every day and sucking feces on the filter plate to reduce irritation and avoid abortion; the small crescent rhombohedral algae were fed daily from 2 ten thousand cells/ml to 20 ten thousand cells/ml. The invention realizes the temporary culture ripening acceleration of the parent shellfish and the attachment growth of the larvae through the same culture pond, improves the survival rate of the larvae, is the same as the growth environment of the parent shellfish, avoids the influence caused by environmental factors, can realize the temperature rise control of water environment, and avoids the influence of uneven internal temperature on the ripening acceleration of the parent shellfish and the later stage larva culture.
Description
Technical field
The present invention relates to Patinopecten yessoensis nursery field more particularly to the method for culturing seedlings and device for raising seedlings of a kind of scallop hybrid.
Background technique
Scallop is a kind of important marine resources, full of nutrition in China's scallop delicious flavour, eponymous with sea cucumber, abalone,
The big treasure of three be listed as in seafood delights, and adductor muscle is very flourishing, is the primary raw material for making dried scallop, has very high economy
Value.Patinopecten yessoensis is that individual is maximum in the common economic shellfish in current China, the highest one kind of nutritive value, due to bay in recent years
The shallow sea shellfishes breed variety economic benefit such as scallop, Chlamys farreri is extremely unstable, and the nursery of Patinopecten yessoensis is increasingly drawn with forming
It rises and payes attention to.
Domestic experts and scholars have carried out a large amount of research report to it, substantially conclude are as follows: germplasm problem, is supported at seed problem
Grow capacity problem, breeding environment problem, cultural technique problem, disease problem.Wherein kind Geological Problems and breeding environment be topic most by
Concern, the requirement firstly for germplasm parent shellfish is extremely harsh, and the temperature requirements accelerated the ripening to it are extremely sensitive, after kind shellfish enters pond
Stablize 2~3 days, then day heats up 0.5 DEG C~1 DEG C, stablizes when being raised to 5 DEG C~6 DEG C 3~4 days, then day heats up 0.5 DEG C, is raised to 11
DEG C or so when constant temperature wait producing, temperature change and its subtle, therefore the temperature requirement to accelerate the ripening for close shellfish is high, existing boiler liter
Warm therapy can not uniformly heat water temperature inside, influence the nursery of Patinopecten yessoensis, secondly, training to close shellfish and its seedling
It when supporting, requires to be transported through, the edge out-of-flatness of Patinopecten yessoensis shell is round and smooth, and airtightness is poor after closed shell, process of transporting for long-distance
In easily dehydration cause kind of shellfish survival rate low, reduce transhipment number and distance be the key that improve survival rate, for this purpose, it is proposed that one
The method for culturing seedlings of kind scallop hybrid.
Summary of the invention
The purpose of the present invention is to solve the problems of the prior art, and a kind of method for culturing seedlings of the scallop hybrid proposed
And device for raising seedlings.
To achieve the goals above, present invention employs following technical solutions:
The present invention provides a kind of method for culturing seedlings of scallop hybrid, the specific steps are as follows:
1) parents holding culture accelerates the ripening: close shellfish outwash, after separating male and female, is packed into the hanging basket in culture pond, by every cubic meter of water 30~
40 density enters pond, and heats up to the temperature of internal water, cultivates temperature and is gradually warmed up from 4.5 DEG C or so, rises within every 3-4 days
0.5 DEG C, 11 DEG C of stabilizations are eventually raised to wait produce；
It changes water 1/2 daily and absorbs excrement on filter plate, reduce stimulation and avoid miscarrying；
Feeding Nitzschia closterlum is gradually raised to 200,000 cells/mls from 20,000 cells/mls daily, feeds 2-4 times daily, root
According to situation of ingesting, kind of a shellfish accelerating treasured 1-3ppm is irregularly fed；
2) spawning and fertilization and hatching: being scrubbed and classified to the close shellfish in hanging basket in step 1), reject shell surface attachment,
Male and female are separated, temporary support is separated and avoids miscarriage to improve hatching rate；
When hastening parturition, close shellfish being pulled out the 2h that dries in the shade out of hanging basket, wash away close shellfish and temporarily supporting tool, female shellfish is put into processed 15 DEG C
In the spawning pond of water temperature, male shellfish is put into plastic barrel, waits ovulation sperm drainage；
Female Bei Xiongbei sequential ejection essence ovum, is pulled out after female shellfish has been produced ovum, and the good sperm of selection vigor is uniformly splashed to spawning pond,
Apply 2ppm antibiotic and 2ppmEDTA during hatching；
3) it D-shaped larva breeding: can all float after the development to D type embryophore worm of larvae in step 2, by D type larva
It is extracted out by siphon pipe, through 350 mesh silk cover filterings；
4) larvae cultivation: the D-shaped larva filtered out in step 3) is moved in culture pond, and density 8~12/milliliter in cloth pond is
Preferably, control feeds chrysophyceae and makees open-mouthed bait, as larva is gradually adhered to adhere in 6~8/milliliter when arriving eyebot larvae
It is grown on rope, then plus hello flat algae；
12 DEG C of water temperature when cloth pond, later day rise 1 DEG C, and constant temperature is cultivated when being raised to 16 DEG C；
When rigid cloth pond, only plus 1/2 water, gradually water is filled it up within the 2nd and the 3rd day, changes water 2 times~3 times daily later, every time 1/3
~1/2 range changes the net cage or filter drum of 200 mesh of water, pond 1 time, every 2 days~3 days suction bottoms 1 time every 3 days~5 days；
Continuous micro inflation or interval inflation all can, tolerance is advisable with slightly heaving bubble；
5) it collects seedling culture: polythene net being selected to collect seedling as collector, change water 1/2, and timing microscopy, record growth number daily
According to.
Preferably, when heating up in the step 1) to the temperature of internal water, manipulation controller keeps electric heating wire each
0.5 DEG C of heating, and control No.1 water pump and No. two water pumps and simultaneously the water after the heating of bottom end draw water being transmitted to culture pond
Upper end forms internal water circulation, realizes the uniform raising of water temperature inside faster, keep constant temperature when being raised to 11 DEG C.
Preferably, prepare 15 DEG C of seawater before hastening parturition in the step 2, and expose to sufficient dosage with quartz burner and wait for
With.
Preferably, the water temperature of spawning pond and the water temperature of culture pond will be consistent in the step 2.
Preferably, the step 4) split shed bait chrysophyceae be 5000~10000/milliliter, flat algae be 1000~
2000/milliliter；Larva vigor can be tentatively judged by closing oxygen and observing larva floating speed, and the rapid larva that floats is living
Power is good, on the contrary then illustrate that larva vigor is poor.
Preferably, when controlling in the step 4) water temperature, manipulation controller makes electric heating wire heat up every time 1 DEG C,
And control No.1 water pump and No. two water pumps and simultaneously the water after the heating of bottom end draw water and be transmitted to the upper end of culture pond, in formation
The water in portion recycles, and realizes the uniform raising of water temperature inside faster, keeps constant temperature when being raised to 16 DEG C.
The present invention also provides a kind of device for raising seedlings of scallop hybrid, the device for raising seedlings is scallop hybrid culture pond, packet
Pond body is included, the upper end of the pond body is equidistantly equipped with two groups of stulls, and the lower end of stull described in two groups is fixedly installed with installation
Bar, the lower end of mounting rod described in two groups are fixedly installed with hanging basket, and the circumferential outer surface spiral winding of the hanging basket has attached ropes,
And attached ropes are fixedly connected with the circumferential outer surface of hanging basket,
The inner bottom outer surface of the pond body is fixedly installed with mounting base, and the upper end of the mounting base is fixedly installed with electric heating
Silk, two side external surfaces of the pond body are fixedly installed with No.1 water pump and No. two water pumps, and No.1 water pump and No. two water pumps respectively
Upper end interlink and be connected to outlet pipe, the lower end of the No.1 water pump and No. two water pumps, which interlinks, is connected to drinking-water pipe, and goes out
One end of water pipe is located at the upper end position of pond body, and one end of the drinking-water pipe is located at the lower end position of pond body, before the pond body
End outer surface is fixedly installed with controller, and electric heating wire, No.1 water pump and the input terminal of No. two water pumps are defeated with controller
Outlet is electrically connected, and the lower end inner wall of the pond body is provided with filter plate, the lower end of the pond body is provided with drainpipe, and arranges
Water pipe is located at the side of drinking-water pipe.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, hanging basket and attached ropes are arranged inside culture pond, can be realized by the same culture pond and temporary support of close shellfish is urged
The ripe apposition growth with larva avoids intermediate unnecessary transhipment step, improves the survival rate of larva, at the same with close shellfish growth ring
Border is identical, avoids influence caused by environmental factor；
2, by the way that electric heating wire is arranged in culture pond inner bottom, it can be realized and heating control, pond body two sides are carried out to water environment
The No.1 water pump of setting and No. two water pumps can reduce the heating-up time of pond body water temperature inside, more uniform completion water temperature inside
Raising, avoid internal temperature unevenly and influence close shellfish accelerate the ripening and the culture of later period larva.
Detailed description of the invention
Fig. 1 is the overall structure diagram of scallop hybrid culture pond of the present invention；
Fig. 2 is the cross-sectional view of scallop hybrid culture pond of the present invention；
Fig. 3 is the method for culturing seedlings flow chart of scallop hybrid of the present invention；
Fig. 4 is the comparing result that heating accelerates the ripening to close shellfish with traditional boiler method heating inside culture pond in embodiment 1；
Fig. 5 is the comparing result that heating heats up with traditional boiler method to larvae cultivation inside culture pond in embodiment 2.
In figure: 1, pond body；2, stull；3, mounting rod；4, No.1 water pump；5, No. two water pumps；6, hanging basket；7, mounting base；8,
Electric heating wire；9, filter plate；10, attached ropes.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
The method for culturing seedlings of scallop hybrid in the present embodiment, the specific steps are as follows:
1) parents holding culture accelerates the ripening: close shellfish outwash after separating male and female, is packed into the hanging basket 6 in culture pond, by every cubic meter of water 30
Density enter pond, and heat up to the temperature of internal water, cultivate temperature and be gradually warmed up from 4.5 DEG C or so, rise 0.5 DEG C within every 3 days,
11 DEG C of stabilizations are eventually raised to wait produce；
In the present embodiment, when heating up to the temperature of internal water, manipulation controller makes 0.5 DEG C of the heating every time of electric heating wire 8,
And control No.1 water pump 4 and No. two water pumps 5 and the water after the heating of bottom end draw water and is transmitted to the upper end of culture pond simultaneously, it is formed
Internal water circulation, realizes the uniform raising of water temperature inside faster, keeps constant temperature when being raised to 11 DEG C；
It changes water 1/2 daily and absorbs excrement on filter plate 9, reduce stimulation and avoid miscarrying；
110,000 cells/ml of Nitzschia closterlum is fed daily, is fed daily 3 times, kind of a shellfish accelerating treasured 2ppm is fed；
2) spawning and fertilization and hatching: being scrubbed and classified to the close shellfish in step 1) in hanging basket 6, and shell surface attachment is rejected
Object separates male and female, separates temporary support and avoids miscarriage to improve hatching rate；The water temperature of spawning pond and the water temperature of culture pond will be consistent
The water temperature of spawning pond and the water temperature of culture pond will be consistent；
Prepare 15 DEG C of seawater before hastening parturition, and it is stand-by with quartz burner to expose to sufficient dosage, when hastening parturition, by close shellfish from hanging basket 6
It inside pulls the 2h that dries in the shade out, wash away close shellfish and temporarily supports tool, female shellfish is put into the spawning pond of processed 15 DEG C of water temperatures, male shellfish is put
Enter in plastic barrel, waits ovulation sperm drainage；
Female Bei Xiongbei sequential ejection essence ovum, is pulled out after female shellfish has been produced ovum, and the good sperm of selection vigor is uniformly splashed to spawning pond,
Apply 2ppm antibiotic and 2ppmEDTA during hatching；
3) it D-shaped larva breeding: can all float after the development to D type embryophore worm of larvae in step 2, by D type larva
It is extracted out by siphon pipe, through 350 mesh silk cover filterings；
4) larvae cultivation: the D-shaped larva filtered out in step 3) is moved in culture pond, and density 8 milliliters in cloth pond are advisable, and arrives eyespot
Control feeds chrysophyceae and makees open-mouthed bait in 6 milliliters when larva, as larva is gradually adhered to grow in attached ropes 10, then plus
Feed flat algae；Open-mouthed bait chrysophyceae is 5000/milliliter, and flat algae is 1000/milliliter；
12 DEG C of water temperature when cloth pond, later day rise 1 DEG C, and constant temperature is cultivated when being raised to 16 DEG C；
When rigid cloth pond, only add 1/2 water, gradually water is filled it up within the 2nd and the 3rd day, changes water 2 times, measured for 1/2 every time daily later
Journey changes the net cage or filter drum of 200 mesh of water, pond 1 time, every 3 days suction bottoms 1 time every 3 days；
Continuous micro inflation or interval inflation all can, tolerance is advisable with slightly heaving bubble, oxygen and observes larva by closing
Floating speed can tentatively judge larva vigor, and the rapid larva vigor that floats is good, on the contrary then illustrate that larva vigor is poor；
5) it collects seedling culture: polythene net being selected to collect seedling as collector, change water 1/2, and timing microscopy, record growth number daily
According to.
Embodiment 2
The method for culturing seedlings of scallop hybrid in the present embodiment, the specific steps are as follows:
1) parents holding culture accelerates the ripening: close shellfish outwash after separating male and female, is packed into the hanging basket 6 in culture pond, by every cubic meter of water 30
Density enter pond, and heat up to the temperature of internal water, cultivate temperature and be gradually warmed up from 4.5 DEG C or so, rise 0.5 DEG C within every 3 days,
11 DEG C of stabilizations are eventually raised to wait produce；
It changes water 1/2 daily and absorbs excrement on filter plate 9, reduce stimulation and avoid miscarrying；
110,000 cells/ml of Nitzschia closterlum is fed daily, is fed daily 3 times, kind of a shellfish accelerating treasured 2ppm is fed；
2) spawning and fertilization and hatching: being scrubbed and classified to the close shellfish in step 1) in hanging basket 6, and shell surface attachment is rejected
Object separates male and female, separates temporary support and avoids miscarriage to improve hatching rate；The water temperature of spawning pond and the water temperature of culture pond will be consistent
The water temperature of spawning pond and the water temperature of culture pond will be consistent；
Prepare 15 DEG C of seawater before hastening parturition, and it is stand-by with quartz burner to expose to sufficient dosage, when hastening parturition, by close shellfish from hanging basket 6
It inside pulls the 2h that dries in the shade out, wash away close shellfish and temporarily supports tool, female shellfish is put into the spawning pond of processed 15 DEG C of water temperatures, male shellfish is put
Enter in plastic barrel, waits ovulation sperm drainage；
Female Bei Xiongbei sequential ejection essence ovum, is pulled out after female shellfish has been produced ovum, and the good sperm of selection vigor is uniformly splashed to spawning pond,
Apply 2ppm antibiotic and 2ppmEDTA during hatching；
3) it D-shaped larva breeding: can all float after the development to D type embryophore worm of larvae in step 2, by D type larva
It is extracted out by siphon pipe, through 350 mesh silk cover filterings；
4) larvae cultivation: the D-shaped larva filtered out in step 3) is moved in culture pond, and density 8 milliliters in cloth pond are advisable, and arrives eyespot
Control feeds chrysophyceae and makees open-mouthed bait in 6 milliliters when larva, as larva is gradually adhered to grow in attached ropes 10, then plus
Feed flat algae；Open-mouthed bait chrysophyceae is 5000/milliliter, and flat algae is 1000/milliliter；
12 DEG C of water temperature when cloth pond, later day rise 1 DEG C, and constant temperature is cultivated when being raised to 16 DEG C；
In the present embodiment, when controlling water temperature, manipulation controller makes 1 DEG C of the heating every time of electric heating wire 8, and controls No.1
Water pump 4 and No. two water pumps 5 draw water to the water after the heating of bottom end simultaneously is transmitted to the upper end of culture pond, forms internal water and follows
Ring realizes the uniform raising of water temperature inside faster, keeps constant temperature when being raised to 16 DEG C；
When rigid cloth pond, only add 1/2 water, gradually water is filled it up within the 2nd and the 3rd day, changes water 2 times, measured for 1/2 every time daily later
Journey changes the net cage or filter drum of 200 mesh of water, pond 1 time, every 3 days suction bottoms 1 time every 3 days；
Continuous micro inflation or interval inflation all can, tolerance is advisable with slightly heaving bubble, oxygen and observes larva by closing
Floating speed can tentatively judge larva vigor, and the rapid larva vigor that floats is good, on the contrary then illustrate that larva vigor is poor；
5) it collects seedling culture: polythene net being selected to collect seedling as collector, change water 1/2, and timing microscopy, record growth number daily
According to.
Embodiment 3
The method for culturing seedlings of scallop hybrid in the present embodiment when larvae cultivation, the D-shaped larva filtered out is moved in culture pond, cloth
Density 8 milliliters in pond are advisable, and control feeds chrysophyceae and make open-mouthed bait, as larva is gradually attached in 6 milliliters when arriving eyebot larvae
Grown in attached ropes 10, then plus feed flat algae；Open-mouthed bait chrysophyceae is 5000/milliliter, and flat algae is 1000/milliliter；
12 DEG C of water temperature when cloth pond, later day rise 1 DEG C, and constant temperature is cultivated when being raised to 16 DEG C；
When rigid cloth pond, only add 1/2 water, gradually water is filled it up within the 2nd and the 3rd day, changes water 2 times, measured for 1/2 every time daily later
Journey changes the net cage or filter drum of 200 mesh of water, pond 1 time, every 3 days suction bottoms 1 time every 3 days；
Continuous micro inflation or interval inflation all can, tolerance is advisable with slightly heaving bubble, oxygen and observes larva by closing
Floating speed can tentatively judge larva vigor, and the rapid larva vigor that floats is good, on the contrary then illustrate that larva vigor is poor；
It collects seedling culture: polythene net being selected to collect seedling as collector, change water 1/2, and timing microscopy daily, record growth data.
Embodiment 4
As shown in Figs. 1-2, a kind of scallop hybrid culture pond, including pond body 1, the upper end of pond body 1 are equidistantly equipped with two groups of cross
Support 2, the lower end of two groups of stulls 2 is fixedly installed with mounting rod 3, and the lower end of two groups of mounting rods 3 is fixedly installed with hanging basket 6, hangs
The circumferential outer surface spiral winding of basket 6 has attached ropes 10, and attached ropes 10 are fixedly connected with the circumferential outer surface of hanging basket 6,
The inner bottom outer surface of pond body 1 is fixedly installed with mounting base 7, and the upper end of mounting base 7 is fixedly installed with electric heating wire 8,
Two side external surfaces of pond body 1 are fixedly installed with No.1 water pump 4 and No. two water pumps 5 respectively, and No.1 water pump 4 and No. two water pumps 5
Upper end, which interlinks, is connected to outlet pipe, and the lower end of No.1 water pump 4 and No. two water pumps 5, which interlinks, is connected to drinking-water pipe, and outlet pipe
One end be located at the upper end position of pond body 1, one end of drinking-water pipe is located at the lower end position of pond body 1, and the leading exterior surface of pond body 1 is solid
Dingan County is equipped with controller, and the input terminal of electric heating wire 8, No.1 water pump 4 and No. two water pumps 5 is electrical with the output end of controller
Connection, the lower end inner wall close to pond body 1 are provided with filter plate 9, and the lower end of pond body 1 is provided with drainpipe, and drainpipe is located at and draws water
The side of pipe.
By using above-mentioned technical proposal: close shellfish is accelerated the ripening when heating up to the temperature of internal water, and manipulation controller makes electricity
0.5 DEG C of the heating every time of heater strip 8, and control No.1 water pump 4 and No. two water pumps 5 and biography of drawing water is carried out to the water after the heating of bottom end simultaneously
It is delivered to the upper end of culture pond, internal water circulation is formed, realizes the uniform raising of water temperature inside faster, larva cloth pond is to water temperature
When being controlled, manipulation controller makes 1 DEG C of the heating every time of electric heating wire 8, and controls No.1 water pump 4 and No. two water pumps 5 are right simultaneously
Water after the heating of bottom end, which draw water, is transmitted to the upper end of culture pond, forms internal water circulation, realizes water temperature inside faster
Uniform raising, more uniform compared to traditional boiler heating method heating, heating precision is more accurate, avoids temperature heating higher
It accelerates the ripening to close shellfish and larva growth impacts.
Fig. 4 is the comparing result that heating accelerates the ripening to close shellfish with traditional boiler method heating inside culture pond in embodiment 1, knot
The fruit such as following figure:
From fig. 4, it can be seen that heating can accelerate the ripening to close shellfish with traditional boiler method heating and play facilitation inside culture pond, when reaching
To after 110,000 cells/mls, food ration tends towards stability, but traditional boiler method heating ingests for close shellfish and is affected, and
Heating can be effectively reduced the time of hastening parturition inside culture pond.
Fig. 5 is the comparing result that heating heats up with traditional boiler method to larvae cultivation inside culture pond in embodiment 2, knot
The fruit such as following figure:
As seen from Figure 5, heating and the heating of traditional boiler method can influence larvae cultivation inside culture pond, pass through the direct shadow of temperature
Loud is the food ration of larva, so indirectly influence be larva survival rate, although different temperature-rising method can be internally
Portion's water temperature is heated, but by food ration it is observed that traditional boiler method heating ingests for close shellfish and is affected.
By experimental data in Fig. 4 and Fig. 5 it is found that because traditional boiler method heating can not uniformly heat up to water temperature,
Manipulation controller make electric heating wire 8 every time heating definite value, and control No.1 water pump 4 and No. two water pumps 5 simultaneously to bottom end heat after
Water draw water and be transmitted to the upper end of culture pond, form internal water circulation, realize the uniform raising of water temperature inside faster,
More uniform compared to traditional boiler heating method heating, heating precision is more accurate, avoids temperature heating is higher from accelerating the ripening to close shellfish
And larva growth impacts.
Table 1 is suspended longline farming traditional in embodiment 3 and cultivates pool cultivated comparing result:
| Breeding way | Survival rate | |
| Suspended longline farming | It puts in a suitable place to breed in strange land | 87% |
| It cultivates pool cultivated | Same culture is pool cultivated | 92% |
Table 1
As shown in Table 1, hanging basket 6 and attached ropes 10 are arranged inside culture pond, same culture is pool cultivated, can be by same
A culture pond, which is realized, temporarily supports the apposition growth to accelerate the ripening with larva to close shellfish, avoids intermediate unnecessary transhipment step, improves children
The survival rate of worm, at the same it is identical as close shellfish growing environment, influence caused by environmental factor is avoided, it is different compared to traditional strange land hybridization
It is higher that survival rate is put on ground in a suitable place to breed.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of method for culturing seedlings of scallop hybrid, it is characterised in that: specific step is as follows:
1) parents holding culture accelerates the ripening: close shellfish outwash, after separating male and female, and the hanging basket (6) being packed into culture pond is inner, by every cubic meter of water 30
~40 density enters pond, and heats up to the temperature of internal water, cultivates temperature and is gradually warmed up from 4.5 DEG C or so, and every 3-4 days
0.5 DEG C is risen, is eventually raised to 11 DEG C of stabilizations wait produce；
It changes water 1/2 daily and absorbs excrement on filter plate (9), reduce stimulation and avoid miscarrying；
Feeding Nitzschia closterlum is gradually raised to 200,000 cells/mls from 20,000 cells/mls daily, feeds 2-4 times daily, throws
Feed kind of a shellfish accelerating treasured 1-3ppm；
Spawning and fertilization and hatching: being scrubbed and classified to the close shellfish in hanging basket in step 1) (6), and shell surface attachment is rejected
Object separates male and female, separates temporary support and avoids miscarriage to improve hatching rate；
When hastening parturition, close shellfish is pulled out the 2h that dries in the shade out of hanging basket (6), wash away close shellfish and temporarily support tool, female shellfish is put into processed
In the spawning pond of 15 DEG C of water temperatures, male shellfish is put into plastic barrel, waits ovulation sperm drainage；
Female Bei Xiongbei sequential ejection essence ovum, is pulled out after female shellfish has been produced ovum, and the good sperm of selection vigor is uniformly splashed to spawning pond,
Apply 2ppm antibiotic and 2ppmEDTA during hatching；
D-shaped larva breeding: can all float after the development to D type embryophore worm of larvae in step 2, by D type larva by
Siphon pipe extraction, through 350 mesh silk cover filterings；
4) larvae cultivation: the D-shaped larva filtered out in step 3) is moved in culture pond, and density 8~12/milliliter in cloth pond is
Preferably, control feeds chrysophyceae and makees open-mouthed bait, as larva is gradually adhered to adhere in 6~8/milliliter when arriving eyebot larvae
It is grown on rope (10), then plus hello flat algae；
12 DEG C of water temperature when cloth pond, later day rise 1 DEG C, and constant temperature is cultivated when being raised to 16 DEG C；
When rigid cloth pond, only plus 1/2 water, gradually water is filled it up within the 2nd and the 3rd day, changes water 2 times~3 times daily later, every time 1/3
~1/2 range changes the net cage or filter drum of 200 mesh of water, pond 1 time, every 2 days~3 days suction bottoms 1 time every 3 days~5 days；
Continuous micro inflation or interval inflation all can, tolerance is advisable with slightly heaving bubble；
5) it collects seedling culture: polythene net being selected to collect seedling as collector, change water 1/2, and timing microscopy, record growth number daily
According to.
2. a kind of method for culturing seedlings of scallop hybrid according to claim 1, which is characterized in that inside in the step 1)
When the temperature of water is heated up, manipulation controller makes electric heating wire (8) 0.5 DEG C of heating every time, and controls No.1 water pump (4) and two
Number water pump (5) draw water to the water after the heating of bottom end simultaneously is transmitted to the upper end of culture pond, forms internal water circulation, faster
Realization water temperature inside uniform raising, keep constant temperature when being raised to 11 DEG C.
3. a kind of method for culturing seedlings of scallop hybrid according to claim 1, which is characterized in that before hastening parturition in the step 2
Prepare 15 DEG C of seawater, and it is stand-by with quartz burner to expose to sufficient dosage.
4. a kind of method for culturing seedlings of scallop hybrid according to claim 1, which is characterized in that spawning pond in the step 2
Water temperature and the water temperature of culture pond to be consistent.
5. a kind of method for culturing seedlings of scallop hybrid according to claim 1, which is characterized in that the step 4) split shed bait
Material chrysophyceae is 5000~10000/milliliter, and flat algae is 1000~2000/milliliter；By closing oxygen and observing larva
Floating speed can tentatively judge larva vigor, and the rapid larva vigor that floats is good, on the contrary then illustrate that larva vigor is poor.
6. a kind of method for culturing seedlings of scallop hybrid according to claim 1, which is characterized in that water temperature in the step 4)
When being controlled, manipulation controller makes electric heating wire (8) 1 DEG C of heating every time, and controls No.1 water pump (4) and No. two water pumps (5)
While the water after the heating of bottom end draw water and is transmitted to the upper end of culture pond, internal water circulation is formed, faster in realization
The uniform raising of portion's water temperature, keeps constant temperature when being raised to 16 DEG C.
7. a kind of device for raising seedlings of scallop hybrid, the device for raising seedlings is scallop hybrid culture pond, including pond body (1), spy
Sign is that the upper end of the pond body (1) is equidistantly equipped with two groups of stulls (2), the fixed peace in the lower end of stull described in two groups (2)
Equipped with mounting rod (3), the lower end of mounting rod described in two groups (3) is fixedly installed with hanging basket (6), outside the circumference of the hanging basket (6)
Perficial helical is wound with attached ropes (10), and attached ropes (10) are fixedly connected with the circumferential outer surface of hanging basket (6),
The inner bottom outer surface of the pond body (1) is fixedly installed with mounting base (7), the fixed peace in the upper end of the mounting base (7)
Equipped with electric heating wire (8), two side external surfaces of the pond body (1) are fixedly installed with No.1 water pump (4) and No. two water pumps respectively
(5), and the upper end of No.1 water pump (4) and No. two water pumps (5) interlinks and is connected to outlet pipe, the No.1 water pump (4) with No. two
The lower end of water pump (5), which interlinks, is connected to drinking-water pipe, and one end of outlet pipe is located at the upper end position of pond body (1), described to draw water
One end of pipe is located at the lower end position of pond body (1), and the leading exterior surface of the pond body (1) is fixedly installed with controller, and electricity adds
Heated filament (8), No.1 water pump (4) and the input terminal of No. two water pumps (5) are electrically connected with the output end of controller, close to the pond
The lower end inner wall of body (1) is provided with filter plate (9), and the lower end of the pond body (1) is provided with drainpipe, and drainpipe is located at drinking-water pipe
Side.
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