CN108633800A - Fresh water pearl transition and upgrade, upgrading, synergy cultural method - Google Patents
Fresh water pearl transition and upgrade, upgrading, synergy cultural method Download PDFInfo
- Publication number
- CN108633800A CN108633800A CN201810407020.9A CN201810407020A CN108633800A CN 108633800 A CN108633800 A CN 108633800A CN 201810407020 A CN201810407020 A CN 201810407020A CN 108633800 A CN108633800 A CN 108633800A
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- pearl
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- frame
- hanging culture
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- 239000013505 freshwater Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000007704 transition Effects 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000009360 aquaculture Methods 0.000 claims abstract description 28
- 241000251468 Actinopterygii Species 0.000 claims abstract description 27
- 238000009395 breeding Methods 0.000 claims abstract description 21
- 230000001488 breeding effect Effects 0.000 claims abstract description 21
- 244000144974 aquaculture Species 0.000 claims description 26
- 241000237536 Mytilus edulis Species 0.000 claims description 22
- 235000020638 mussel Nutrition 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 8
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 2
- 235000016709 nutrition Nutrition 0.000 abstract description 2
- 230000035764 nutrition Effects 0.000 abstract description 2
- 241000252230 Ctenopharyngodon idella Species 0.000 description 3
- 241000252233 Cyprinus carpio Species 0.000 description 3
- 241000404975 Synchiropus splendidus Species 0.000 description 3
- 210000001061 forehead Anatomy 0.000 description 3
- 238000009372 pisciculture Methods 0.000 description 3
- 241001519451 Abramis brama Species 0.000 description 2
- 241000252234 Hypophthalmichthys nobilis Species 0.000 description 2
- 241001233037 catfish Species 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
- A01K61/56—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels for pearl production
-
- 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
- A01K61/10—Culture of aquatic animals of fish
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of fresh water pearl transition and upgrade, the cultural methods of upgrading, synergy, are mainly realized by the following aspects：The building of pearl pond and breeding facility nacreous puts control, control of breeding process etc. in a suitable place to breed.The present invention is effectively utilized the nutrition in fish culture waste water to be supplied to nacreous growth to use, not only solve aquiculture waste water emission problem existing for script, and can ensure that the cultivation water of pearl itself can reach harmless discharge, effectively prevent the destruction of ecological environment.
Description
Technical field
The present invention relates to water pearl culture technical fields, and in particular to a kind of fresh water pearl transition and upgrade, upgrading, synergy
Cultural method.
Background technology
China is the big country for producing pearl, accounts for the 95% of world's pearl production, and culture efficiency is considerable, is farmer richness
One of important sources.But because of cultivation dispersion, few, the management omission of governmental input etc., there is polluted-water getting worse.Fresh water is precious
Pearl cultivation needs appropriate fertilising to promote planktonic organism to grow, and is preyed on convenient for pearl freshwater mussel, most raiser mistake in the breeding process
Degree throws fertilizer and water quality is caused to be destroyed, and pollution is generated to environment, therefore has had many places to forbid supporting pearl so that pearl sector
There is the problems such as cultured area atrophy, pearl quality decline.It solves these problems, just has to find out new pearl culture mould
Formula, to realize the sustainable development of Pearl and achieve the purpose that improve culture efficiency, ecological environment benefit.
Invention content
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of fresh water pearl transition and upgrade, carry
Matter, the cultural method of synergy.
To achieve the above object, the technical solution adopted by the present invention is：Fresh water pearl transition and upgrade, upgrading, synergy support
Grow method, which is characterized in that mainly realized by the following aspects：
（1）The structure of pearl pond and breeding facility：Pearl pond is built on original aquaculture pond periphery：Former aquaculture pond is supported
Fish, pearl pond hanging culture pearl freshwater mussel, and between the water inlet in pearl pond and former aquaculture pond water outlet, the water outlet in pearl pond
It is respectively provided with circulating water pipe and circulating pump between original aquaculture pond water inlet；Or by original aquaculture pond with blocking
Net separates：It breeds fish on one side, one side hanging culture pearl freshwater mussel, and recirculated water is set between the water inlet and water outlet of former aquaculture pond
Pipe and circulating pump；Nacreous hanging culture mode makes clip-like hanging culture frame, hanging culture frame is made of left and right two panels screen frame, wherein left
Screen frame bottom is hinged with right screen frame bottom and is fixed with return spring in hinged place, is fastened at the top of right screen frame at the top of left screen frame,
Net on hanging culture frame is rigid mesh, left screen frame, right screen frame rigid mesh on respectively outward integrally formed with multiple protrusions, and it is left
Protrusion on screen frame is opposite with the raised position on right screen frame, that protrusion opposite on right screen frame of the protrusion on left screen frame
Nacreous rest area is constituted, 2-3 pearl freshwater mussel is placed in each rest area, the lifting rope of hanging culture pearl is then used at every group
Multiple hanging culture frames are fixed in a manner of upper and lower different height position；Water inlet is generally pressed in pearl waters to the side of water outlet
To multigroup lifting rope is equally spaced, the hanging culture frame on two adjacent groups lifting rope shifts to install above and below, and the top of every lifting rope bypasses
It is fixed on corresponding reel after one reel multi-turn, all reels on same longitudinal direction are fixed on together
In a piece shaft, shaft one end is fixed on by bearing, bearing block on the bearing on aquaculture pond, the other end support of shaft
The output shaft of driving motor is fixed with by key on another bearing on aquaculture pond and in end；
（2）It is nacreous to put control in a suitable place to breed：Determine that pearl freshwater mussel cultivation amount, control fish culture amount are hung with nacreous according to the amount of breeding fish
Support amount, by weight 3-5:1-2；
（3）The control of breeding process：Any feed is not fed in breeding process into pearl pond, and per the upper and lower lifting hangers of 1-2h
It is primary to support frame.
Preferably, daily open the circulation pump 1-3 times.
Preferably, it is the filtering material mixed with heavy metal absorbent that the rigid mesh of above-mentioned hanging culture frame, which makes material,.
Preferably, the fish cultivated in fish culture zone are to eat feeding fish, select grass carp, carp, mandarin fish, yellow forehead
Fish, the one or more routinely ratios stuck up in fish, crucian, catfish are arranged in pairs or groups.
Compared with prior art, beneficial effects of the present invention：The present invention is effectively utilized the nutrition in fish culture waste water
It is supplied to the nacreous growth to use, not only solves aquiculture waste water emission problem existing for script, and can ensure
The cultivation water of pearl itself can reach harmless discharge, effectively prevent the destruction of ecological environment, also reduce pearl culture
Bait cost, while also improving the quality of pearl, the reason is that water quality is good, the quality of pearl naturally might as well,
Increase the economic benefit of raiser.The pearl culture pattern that the present invention breaks the normal procedure, provides for the sustainable development of Pearl
It ensures.In addition, the special hanging culture mode of the present invention, is effectively filtered breeding wastewater, and in due course to pearl freshwater mussel into
Row oscilaltion improves the nacreous quality of pearl freshwater mussel secretion on the basis of stirring water.
Description of the drawings
Fig. 1 is the structure sectional side view of present invention cultivation setting
Fig. 2 is the structure top view of present invention cultivation setting
Fig. 3 is the distribution figure of multiple hanging culture frames on every group of lifting rope of the invention
Fig. 4 is the structural schematic diagram of hanging culture frame of the present invention
Wherein, 1, aquaculture pond, 1.1, fish farming area, 1.2, pearl freshwater mussel culture zone, 1.3, water inlet, 1.4, water outlet, 2, hanging culture frame,
2.1, left screen frame, 2.2, right screen frame, 2.3, protrusion, 3, lifting rope, 4, reel, 5, shaft.
Specific implementation mode
In conjunction with specific embodiment, the technology contents of the present invention are further elaborated, but do not constitute the limit to its right
System.
Embodiment one
The fresh water pearl transition and upgrade of the present embodiment, the cultural method of upgrading, synergy, mainly by the following aspects come real
It is existing：
（1）The structure of pearl pond and breeding facility：As shown in Figs 1-4, the block of original aquaculture pond 1 is separated：On one side
It breeds fish, i.e. fish farming area 1.1, one side hanging culture pearl freshwater mussel, i.e. pearl freshwater mussel culture zone 1.2, and in the water inlet of former aquaculture pond 1
Circulating water pipe and circulating pump, daily open the circulation pump 1-3 times are set between 1.3 and water outlet 1.4；Wherein nacreous hanging culture side
Formula makes clip-like hanging culture frame 2, hanging culture frame 2 is made of left and right two panels screen frame, wherein 2.1 bottom of left screen frame and right screen frame 2.2
Bottom is hinged and is fixed with return spring in hinged place, and 2.1 top of left screen frame is fastened with 2.2 top of right screen frame, on hanging culture frame 2
Net is rigid mesh, and it is the filtering material mixed with heavy metal absorbent that the rigid mesh of hanging culture frame 2, which makes material, on left screen frame 2.1, the right side
Respectively outward integrally formed with 2 protrusions 2.3 on the rigid mesh of screen frame 2.2, and on the protrusion 2.3 on left screen frame and right screen frame
Raised 2.3 positions are opposite, that protrusion 2.3 opposite on right screen frame 2.2 of the protrusion 2.3 on left screen frame 2.1 constitutes pearl
The rest area of freshwater mussel, each rest area place 2-3 pearl freshwater mussel, then at every two for hanging culture pearl lifting rope 3 on more than,
The mode of lower different height position fixes multiple hanging culture frames 2, and two adjacent groups hanging culture frame 2 almost covers the water surface of a longitudinal surface,
A lifting rope 3 is respectively fixed in the front and rear sides of multiple hanging culture frames on same longitudinal direction；Generally in pearl waters
In be equally spaced by the direction of water inlet to water outlet it is multigroup（Every group two）Lifting rope 3, the hanging culture frame on two adjacent groups lifting rope 3
2 shift to install above and below, and the top of lifting rope 3 is fixed on after bypassing a reel multi-turn on corresponding reel 4, before being located at
Multiple reels 4 of side or rear side are fixed in same root shaft 5, and 5 one end of shaft is fixed on by bearing, bearing block positioned at foster
It grows on the bearing on pond 1, the other end of shaft 5 is supported on another bearing on aquaculture pond 1 and is consolidated by key in end
Surely there is the output shaft of driving motor；
（2）It is nacreous to put control in a suitable place to breed：Determine that pearl freshwater mussel cultivation amount, control fish culture amount are hung with nacreous according to the amount of breeding fish
It supports and measures, by weight 3:1, the interior fish cultivated of fish culture zone are to eat feeding fish, select grass carp, carp, mandarin fish, Huang
Forehead fish, the one or more routinely ratios stuck up in fish, crucian, catfish are arranged in pairs or groups；
（3）The control of breeding process：Any feed is not fed in breeding process into pearl pond, and hanging culture is lifted above and below per 1h
Frame is primary.
Embodiment two
The fresh water pearl transition and upgrade of the present embodiment, the cultural method of upgrading, synergy, mainly by the following aspects come real
It is existing：
（1）The structure of pearl pond and breeding facility：Pearl pond is built on 1 periphery of original aquaculture pond：Former aquaculture pond
It breeds fish, pearl pond hanging culture pearl freshwater mussel, and between the water inlet in pearl pond and former aquaculture pond water outlet, the water outlet in pearl pond
It is respectively provided with circulating water pipe and circulating pump between mouth and original aquaculture pond water inlet；Daily open the circulation pump 1-3 times；Wherein
Nacreous hanging culture mode makes clip-like hanging culture frame 2, hanging culture frame 2 is made of left and right two panels screen frame, wherein 2.1 bottom of left screen frame
Portion is hinged with 2.2 bottom of right screen frame and is fixed with return spring in hinged place, and 2.1 top of left screen frame is detained with 2.2 top of right screen frame
It closing, the net on hanging culture frame 2 is rigid mesh, and it is the filtering material mixed with heavy metal absorbent that the rigid mesh of hanging culture frame 2, which makes material,
Left screen frame 2.1, right screen frame 2.2 rigid mesh on respectively outward integrally formed with 2 protrusions 2.3, and the protrusion on left screen frame
2.3 is opposite with 2.3 position of protrusion on right screen frame, the protrusion 2.3 on left screen frame 2.1 and that opposite on right screen frame 2.2
Protrusion 2.3 constitutes nacreous rest area, places 2-3 pearl freshwater mussel in each rest area, hanging culture is then used at every group one
Multiple hanging culture frames 2 are fixed on the lifting rope 3 of pearl in a manner of upper and lower different height position, two adjacent groups hanging culture frame 2 almost covers
The water surface of one longitudinal surface, lifting rope 3 are located at the middle part of hanging culture frame 2（It is not drawn in figure）；Generally water inlet is pressed in pearl waters
It is equally spaced multigroup lifting rope 3 to the direction of water outlet, the hanging culture frame 2 on two adjacent groups lifting rope 3 shifts to install above and below, every
The top of lifting rope 3 is fixed on after bypassing a reel multi-turn on corresponding reel 4, and all reels 4 are fixed on together
In a piece shaft 5,5 one end of shaft is fixed on by bearing, bearing block on the bearing on aquaculture pond 1, the other end of shaft 5
It is supported on another bearing on aquaculture pond 1 and is fixed with by key in end the output shaft of driving motor；
（2）It is nacreous to put control in a suitable place to breed：Determine that pearl freshwater mussel cultivation amount, control fish culture amount are hung with nacreous according to the amount of breeding fish
It supports and measures, by weight 5:2, the interior fish cultivated of fish culture zone are to eat feeding fish, select grass carp, carp, mandarin fish, Huang
Forehead fish presses 5-8:3-5:2-3:The weight ratio of 3-4 is arranged in pairs or groups, and suitable bream, crucian and white are put in collocation in a suitable place to breed in pearl pond
Silver carp, such as pearl freshwater mussel：Bream：Crucian：The weight ratio of silver carp is 10:2-3:1-2:3-4；
（3）The control of breeding process：Any feed is not fed in breeding process into pearl pond, and per the upper and lower lifting hangers of 1.5h
It is primary to support frame.
In specific breeding process.The water quality of monitoring fish farming area and pearl freshwater mussel culture zone in real time is needed, and is accordingly adjusted.
Claims (3)
1. the cultural method of fresh water pearl transition and upgrade, upgrading, synergy, which is characterized in that mainly by the following aspects come
It realizes：
（1）The structure of pearl pond and breeding facility：Pearl pond is built on original aquaculture pond periphery：Former aquaculture pond is supported
Fish, pearl pond hanging culture pearl freshwater mussel, and between the water inlet in pearl pond and former aquaculture pond water outlet, the water outlet in pearl pond
It is respectively provided with circulating water pipe and circulating pump between original aquaculture pond water inlet；Or by original aquaculture pond with blocking
Net separates：It breeds fish on one side, one side hanging culture pearl freshwater mussel, and recirculated water is set between the water inlet and water outlet of former aquaculture pond
Pipe and circulating pump；Nacreous hanging culture mode makes clip-like hanging culture frame, hanging culture frame is made of left and right two panels screen frame, wherein left
Screen frame bottom is hinged with right screen frame bottom and is fixed with return spring in hinged place, is fastened at the top of right screen frame at the top of left screen frame,
Net on hanging culture frame is rigid mesh, left screen frame, right screen frame rigid mesh on respectively outward integrally formed with multiple protrusions, and it is left
Protrusion on screen frame is opposite with the raised position on right screen frame, that protrusion opposite on right screen frame of the protrusion on left screen frame
Nacreous rest area is constituted, 2-3 pearl freshwater mussel is placed in each rest area, the lifting rope of hanging culture pearl is then used at every group
Multiple hanging culture frames are fixed in a manner of upper and lower different height position；Water inlet is generally pressed in pearl waters to the side of water outlet
To multigroup lifting rope is equally spaced, the hanging culture frame on two adjacent groups lifting rope shifts to install above and below, and the top of every lifting rope bypasses
It is fixed on corresponding reel after one reel multi-turn, all reels on same longitudinal direction are fixed on together
In a piece shaft, shaft one end is fixed on by bearing, bearing block on the bearing on aquaculture pond, the other end support of shaft
The output shaft of driving motor is fixed with by key on another bearing on aquaculture pond and in end；
（2）It is nacreous to put control in a suitable place to breed：Determine that pearl freshwater mussel cultivation amount, control fish culture amount are hung with nacreous according to the amount of breeding fish
Support amount, by weight 3-5:1-2；
（3）The control of breeding process：Any feed is not fed in breeding process into pearl pond, and per the upper and lower lifting hangers of 1-2h
It is primary to support frame.
2. the cultural method of fresh water pearl transition and upgrade according to claim 1, upgrading, synergy, which is characterized in that daily
Open the circulation pump 1-3 times.
3. the cultural method of fresh water pearl transition and upgrade according to claim 1 or 2, upgrading, synergy, it is characterised in that on
The rigid mesh making material for stating hanging culture frame is the filtering material mixed with heavy metal absorbent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407020.9A CN108633800B (en) | 2018-05-01 | 2018-05-01 | Fresh water pearl transition and upgrade, upgrading, synergy cultural method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810407020.9A CN108633800B (en) | 2018-05-01 | 2018-05-01 | Fresh water pearl transition and upgrade, upgrading, synergy cultural method |
Publications (2)
| Publication Number | Publication Date |
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| CN108633800A true CN108633800A (en) | 2018-10-12 |
| CN108633800B CN108633800B (en) | 2019-08-30 |
Family
ID=63748409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810407020.9A Active CN108633800B (en) | 2018-05-01 | 2018-05-01 | Fresh water pearl transition and upgrade, upgrading, synergy cultural method |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269017A (en) * | 2019-07-04 | 2019-09-24 | 湖南文理学院 | A kind of innoxious culturing method for fresh water pearls |
| CN110369342A (en) * | 2019-07-27 | 2019-10-25 | 湖南大湖生物技术有限公司 | A kind of pearl type screening technique of volume production pearl culture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204144A (en) * | 2006-12-21 | 2008-06-25 | 浙江长生鸟药业有限公司 | Pond polyculture system for fresh water shell and method therewith |
| CN106305572A (en) * | 2016-08-16 | 2017-01-11 | 浙江科技学院 | Pearl mussel breeding pond |
| CN107549069A (en) * | 2017-08-28 | 2018-01-09 | 戚鸟定 | A kind of batch production water pearl culture system |
-
2018
- 2018-05-01 CN CN201810407020.9A patent/CN108633800B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204144A (en) * | 2006-12-21 | 2008-06-25 | 浙江长生鸟药业有限公司 | Pond polyculture system for fresh water shell and method therewith |
| CN106305572A (en) * | 2016-08-16 | 2017-01-11 | 浙江科技学院 | Pearl mussel breeding pond |
| CN107549069A (en) * | 2017-08-28 | 2018-01-09 | 戚鸟定 | A kind of batch production water pearl culture system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110269017A (en) * | 2019-07-04 | 2019-09-24 | 湖南文理学院 | A kind of innoxious culturing method for fresh water pearls |
| CN110269017B (en) * | 2019-07-04 | 2021-08-20 | 湖南文理学院 | Harmless freshwater pearl culture method |
| CN110369342A (en) * | 2019-07-27 | 2019-10-25 | 湖南大湖生物技术有限公司 | A kind of pearl type screening technique of volume production pearl culture |
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| Publication number | Publication date |
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| CN108633800B (en) | 2019-08-30 |
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