CN107027670A - It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry - Google Patents
It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry Download PDFInfo
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- CN107027670A CN107027670A CN201710248795.1A CN201710248795A CN107027670A CN 107027670 A CN107027670 A CN 107027670A CN 201710248795 A CN201710248795 A CN 201710248795A CN 107027670 A CN107027670 A CN 107027670A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The breeding method that many squamas shovel jaw fish survival rate of fish fry is improved the invention discloses a kind of, is comprised the following steps：The common kind being readily available on the spot is selected as bait fish；The bait flesh of fish is put into water mixing in pot and is placed on fire and is boiled, rotten shape is oppressed into bait, then minced fillet is added into photosynthetic bacteria together with dregs double gauze or 60 mesh silk cover filterings after obtained fish slurry cooling, it is standby；When the mixotrophism stage is arrived in the shovel jaw fish membrane development of many squamas, that is, start extraneous food of ingesting, added water full pool spilling head with the fish slurry made, speed of splashing is slow, every tail fish body is eaten to obtain food；Conventional cultivation is selected to carry out daily management.The present invention substitutes traditional natural bait (such as wheel animalcule, artemia) using the flesh of fish slurry after being cooked and carries out the fry rearing that many necks shovel jaw fish, can put in a suitable place to breed total amount (specification, quantity), culture-cycle it is constant under conditions of, many squama shovel jaw fish survival rate of fish frys are improved, culture benefit improves 1~2 times.
Description
Technical field
The invention belongs to fry breeding field, specifically, it is related to a kind of training for improving many squamas shovel jaw fish survival rate of fish frys
Educate method.
Background technology
The technology that the fry initial feed majority that China's artificial freshwater-fish breeding comes out is used is (as taken turns with natural bait
Worm, artemia etc.) based on, and these natural feed sources are limited by certain condition and (utilized such as under the conditions of certain temperature
The pond waters that are refertilized after cleaning up the pond carry out bait cultivation, or obtain halogen after being hatched using artemia cysts in hatchery facility
Worm), limited or do not possess the place of artemia hatching technique and condition for the Montanic ponds water surface, many squamas shovel jaw fishes (belong to
Region indigenous strains) often respectively in the poor mountain area of condition, fry rearing is carried out using traditional fry hatch method, very
Difficulty realizes the fry large-scale cultivation that many squama shovel jaw fish artificial propagations come out so that many squama shovel jaw fishes (one of five big fishes of China)
As the bottleneck being widely applied.
The existing fry rearing method of China (including many squamas shovel jaw fish) is：, will be pre- standby in or so fry pond-inputting the last week
Carry out disinfection carrying out the pond of fry rearing and clean up the pond first with medicines such as quick limes, then water filling, fertilising, treat natural in water body
Bait (such as wheel animalcule) largely comes out, then (now fry development is just arrived needs opening to the fry that artificial propagation is come out
Ingest extraneous bait period) pond is put into, carry out fry rearing；For a small number of extraordinary fish (reproductive number is little), it can also adopt
Fed with the natural bait in the special pond for cultivating natural bait is salvaged with instrument and lacked natural bait to cultivation
Fry rearing pond in；Or using special hatchery facility by hatch come artemia feed to the fry that will be open.
This fry rearing method needs substantial amounts of natural bait just to can guarantee that opening fry ingests needs, many squamas shovel jaw fishes
The relatively poor mountain area of many distribution occasions, its repoductive time is relatively early (before and after clear and bright) in addition, and water temperature is relatively low, natural bait (wheel animalcule
Deng) be difficult, negligible amounts；Artemia hatching needs special hatchery facility and higher technical conditions；This is all shoveled to many squamas
The offer of jaw fish open-mouthed bait adds many difficulty.The exactly presence of these factors so that many squama shovel jaw fish artificial propagations go out
The fry come, because bait deficiency causes survival rate relatively low during fry rearing, the supply of fry turns into many squamas and shovels jaw fish scale
Change the restrictive factor of cultivation.
The content of the invention
In view of this, the problem of present invention is directed to above-mentioned improves the training that many squamas shovel jaw fish survival rate of fish frys there is provided a kind of
Method is educated, the present invention substitutes traditional natural bait (such as wheel animalcule, artemia) using the flesh of fish slurry after being cooked and carries out many neck shovel jaws
The fry rearing of fish, can put in a suitable place to breed total amount (specification, quantity), culture-cycle it is constant under conditions of there is provided many squamas shovel jaw fish fry
Survival rate, culture benefit improves 1~2 times.
In order to solve the above-mentioned technical problem, the cultivation side that many squamas shovel jaw fish survival rate of fish fry is improved the invention discloses a kind of
Method, comprises the following steps：
1) bait fish：The common kind that bait fish selection is readily available on the spot, but require that bait fish is fresh, killed,
And scale, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas shovel jaw fry that every ten thousand tail has just been open needs 500 grams of baits daily
The fish slurry that the material flesh of fish is cooked into, gradually increases the consumption of bait fish as many squamas shovel growing up for jaw fish body later；
2) fish slurry is boiled：The clean bait flesh of fish be put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait,
Minced fillet is added into photosynthetic bacteria together with dregs double gauze or 60 mesh silk cover filterings after obtained fish slurry cooling again, it is standby；Often
It is finished on the day of its fish slurry made, putrid and deteriorated can not use；
3) bait feeding：When the mixotrophism stage is arrived in the shovel jaw fish membrane development of many squamas, that is, start extraneous food of ingesting, with system
The fish slurry performed adds water full pool spilling head, and speed of splashing is slow, every tail fish body is eaten to obtain food；Finish the inspection of fish slurry half an hour after
Look into fish body meal situation, 80% fish body belly turgor, then feeding amount is normal, otherwise the fish body belly more than 40% is filled
Degree is low, also in search of food, that is, increases feeding amount or increase bait throwing in number of times；
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time；Same culture pond
Body size wants uniformity in the pool；Many squama shovel jaw fish young, which fear to put up a shed above strong light, pond, shelters from heat or light；Water is often changed, is protected
Hold miniflow water state in culture pond；With the increase of body size, breeding density and feeding amount are adjusted in time；If condition is permitted
Can, it can suitably increase daily feeding number of times.
Further, the one or more in bait fish selection crucian, carp, silver carp Huo Bighead fishes.
Further, photosynthetic bacteria accounts for fish slurry volume 25%-35%；The concentration of photosynthetic bacteria be viable count >=3 ×
108cfu/g。
Further, step 3) in fish slurry splashed once every 2-3 hours.
Further, step 4) in miniflow water state specifically refer to keep in culture pond per having exchanged within 4-6 hours a pond
Water.
Compared with prior art, the present invention can be obtained including following technique effect：
1) bolting silk cloth mistake of the flesh of fish (common silver carp, flathead, carp, crucian carp etc.) being cooked with double gauze or 60 mesh is utilized
Filter, obtained flesh of fish slurry shovels the open-mouthed bait of jaw fish plus a small amount of photosynthetic bacteria as many squamas, regularly shovels jaw fish fry to many squamas
Culture pond is splashed, and replaces open-mouthed bait-wheel animalcule or artemia of many squama shovel jaw fish fries etc., solves many squama shovel jaw fish open-mouthed bait moneys
Source is difficult to ensure that, influences the technical barrier of its survival rate and growth rate.The method can also be applied to other extraordinary fries and breed out
Come after-opening bait or the insufficient problem of natural bait, be greatly improved culture benefit.
2) many squamas shovel the current marketable fish price of jaw fish more than 120 yuan/kilogram, but realize that large-scale cultivation seed is supplied in
For restricted factor.Using traditional offspring seed cultivation method, the average survival of many squama shovel jaw fries only has less than 40%, utilization
This technology, can make many squama shovel jaw fish fry opening survival rates bring up to more than 70%, survival rate is higher by 42%, greatly solve many
The problem of squama shovel jaw fry kind is insufficient, makes large-scale cultivation become a reality, the economic benefit that this technology is brought is huge
's.
3) there is a serious shortage in the supply for many squama shovel jaw fish wild resources, causes existing market to hold at high price, its weed survival rate
Improve, on the one hand the resource for many squamas shovel jaw fishes of protection provides the foundation, on the other hand solve many squamas shovel jaw fish scales and support
The bottleneck grown, social benefit is very notable.
Certainly, implementing any product of the present invention must be not necessarily required to while reaching all the above technique effect.
Embodiment
Describe embodiments of the present invention in detail below in conjunction with embodiment, thereby to the present invention how application technology hand
Section can fully understand and implement according to this to solve technical problem and reach the implementation process of technology effect.
The present invention provides a kind of breeding method for improving many squamas shovel jaw fish survival rate of fish frys, comprises the following steps：
1) bait fish：Bait fish can select the common kind being readily available on the spot, such as crucian, carp, Lian, Bighead, but
It is required that bait fish is fresh, killed, and scale, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas that every ten thousand tail has just been open
Shovel jaw fry needs the fish slurry that 500 grams of bait flesh of fish are cooked into daily, later as many squamas growing up for jaw fish body of shovel gradually increases bait
Expect the consumption of fish.
2) fish slurry is boiled：The clean bait flesh of fish be put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait,
Minced fillet is added after obtained fish slurry cooling together with dregs double gauze or 60 mesh silk cover filterings and accounts for fish slurry volume 25%- again
35% photosynthetic bacteria, standby, the concentration of photosynthetic bacteria is viable count >=3 × 108cfu/g(ml).The fish slurry made daily
The same day is finished, and putrid and deteriorated can not use.
3) bait feeding：When many squamas shovel jaw fish membrane development to mixotrophism stage (starting extraneous food of ingesting), often
Interval is added water full pool spilling head for 2-3 hour with the fish slurry made, and speed of splashing will make every tail fish body to eat and must eat as far as possible slowly
Thing.The fish body belly turgor that fish slurry half an hour after or so checks fish body meal situation, such as 80% or so is finished, then feeding amount
Normally, the fish body belly filling degree otherwise more than 40% is low, also in search of food, you can increase feeding amount or increase bait throwing in time
Number.
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time；Same culture pond
Body size wants uniformity in the pool；Many squama shovel jaw fish young, which fear to put up a shed above strong light, pond, shelters from heat or light；Water is often changed, most
Miniflow water state in culture pond is kept well, is kept every in culture pond and has been exchanged within 4-6 hours a water；With the increasing of body size
Greatly, breeding density and feeding amount are adjusted in time；If condition is permitted, it can suitably increase daily feeding number of times.
Embodiment 1
It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, comprise the following steps：
1) bait fish：Bait fish can select the common kind being readily available on the spot, such as crucian, carp, Lian, Bighead, but
It is required that bait fish is fresh, killed, and scale, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas that every ten thousand tail has just been open
Shovel jaw fry needs the fish slurry that 500 grams of bait flesh of fish are cooked into daily, later as many squamas growing up for jaw fish body of shovel gradually increases bait
Expect the consumption of fish.
2) fish slurry is boiled：The clean bait flesh of fish be put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait,
Minced fillet is added after obtained fish slurry cooling together with dregs double gauze or 60 mesh silk cover filterings and accounts for fish slurry volume 30% again
Photosynthetic bacteria, standby, the concentration of photosynthetic bacteria is viable count >=3 × 108cfu/g(ml).Used on the day of the fish slurry made daily
Complete, putrid and deteriorated can not use.
3) bait feeding：When many squamas shovel jaw fish membrane development to mixotrophism stage (starting extraneous food of ingesting), often
Interval is added water full pool spilling head for 2.5 hours with the fish slurry made, and speed of splashing is slow, every tail fish body is eaten and must be eaten as far as possible
Thing.The fish body belly turgor that fish slurry half an hour after or so checks fish body meal situation, such as 80% or so is finished, then feeding amount
Normally, the fish body belly filling degree otherwise more than 40% is low, also in search of food, you can increase feeding amount or increase bait throwing in time
Number.
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time.Such as breeding density
It is excessive to answer and time-division pond；Body size wants uniformity in same cultivation pond；Many squama shovel jaw fish young are feared above strong light, pond
It should put up a shed and shelter from heat or light；Water is often changed, miniflow water state in culture pond is preferably maintained in；With the increase of body size, adjustment in time
Breeding density and feeding amount；If condition is permitted, it can suitably increase daily feeding number of times.
Embodiment 2
It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, comprise the following steps：
1) bait fish：Bait fish can select the common kind being readily available on the spot, such as crucian, carp, Lian, Bighead, but
It is required that bait fish is fresh, killed, and scale, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas that every ten thousand tail has just been open
Shovel jaw fry needs the fish slurry that 500 grams of bait flesh of fish are cooked into daily, later as many squamas growing up for jaw fish body of shovel gradually increases bait
Expect the consumption of fish.
2) fish slurry is boiled：The clean bait flesh of fish be put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait,
Minced fillet is added after obtained fish slurry cooling together with dregs double gauze or 60 mesh silk cover filterings and accounts for fish slurry volume 25% again
Photosynthetic bacteria, standby, the concentration of photosynthetic bacteria is viable count >=3 × 108cfu/g(ml).Used on the day of the fish slurry made daily
Complete, putrid and deteriorated can not use.
3) bait feeding：When many squamas shovel jaw fish membrane development to mixotrophism stage (starting extraneous food of ingesting), often
Interval is added water full pool spilling head for 3 hours with the fish slurry made, and speed of splashing is slow, every tail fish body is eaten and must be eaten as far as possible
Thing.The fish body belly turgor that fish slurry half an hour after or so checks fish body meal situation, such as 80% or so is finished, then feeding amount
Normally, the fish body belly filling degree otherwise more than 40% is low, also in search of food, you can increase feeding amount or increase bait throwing in time
Number.
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time.Such as breeding density
It is excessive to answer and time-division pond；Body size wants uniformity in same cultivation pond；Many squama shovel jaw fish young are feared above strong light, pond
It should put up a shed and shelter from heat or light；Water is often changed, miniflow water state in culture pond is preferably maintained in；With the increase of body size, adjustment in time
Breeding density and feeding amount；If condition is permitted, it can suitably increase daily feeding number of times.
Embodiment 3
It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, comprise the following steps：
1) bait fish：Bait fish can select the common kind being readily available on the spot, such as crucian, carp, Lian, Bighead, but
It is required that bait fish is fresh, killed, and scale, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas that every ten thousand tail has just been open
Shovel jaw fry needs the fish slurry that 500 grams of bait flesh of fish are cooked into daily, later as many squamas growing up for jaw fish body of shovel gradually increases bait
Expect the consumption of fish.
2) fish slurry is boiled：The clean bait flesh of fish be put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait,
Minced fillet is added after obtained fish slurry cooling together with dregs double gauze or 60 mesh silk cover filterings and accounts for fish slurry volume 35% again
Photosynthetic bacteria, standby, the concentration of photosynthetic bacteria is viable count >=3 × 108cfu/g(ml).Used on the day of the fish slurry made daily
Complete, putrid and deteriorated can not use.
3) bait feeding：When many squamas shovel jaw fish membrane development to mixotrophism stage (starting extraneous food of ingesting), often
Interval is added water full pool spilling head for 3 hours with the fish slurry made, and speed of splashing is slow, every tail fish body is eaten and must be eaten as far as possible
Thing.The fish body belly turgor that fish slurry half an hour after or so checks fish body meal situation, such as 80% or so is finished, then feeding amount
Normally, the fish body belly filling degree otherwise more than 40% is low, also in search of food, you can increase feeding amount or increase bait throwing in time
Number.
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time.Such as breeding density
It is excessive to answer and time-division pond；Body size wants uniformity in same cultivation pond；Many squama shovel jaw fish young are feared above strong light, pond
It should put up a shed and shelter from heat or light；Water is often changed, miniflow water state in culture pond is preferably maintained in；With the increase of body size, adjustment in time
Breeding density and feeding amount；If condition is permitted, it can suitably increase daily feeding number of times.
Different breeding methods are employed to many squamas shovel jaw fry according to us, the result of the test drawn such as table 1 below：
The different breeding methods of table 1 shovel the influence of jaw survival rate of fish fry to many squamas
| Test method | Feed wheel animalcule method | Feed artemia method | Yolk+wheel animalcule | Fish slurry+photosynthetic bacteria |
| Survival rate of fish fry (average) | 35% | 32% | 40% | 70% |
Some vocabulary have such as been used to censure special component or method among specification and claim.Art technology
Personnel are, it is to be appreciated that different regions may call same composition with different nouns.This specification and claims are not
In the way of the difference of title is used as differentiation composition.As the "comprising" of the specification in the whole text and claim mentioned in is
One open language, therefore " include but be not limited to " should be construed to." substantially " refer in receivable error range, this area
Technical staff can solve the technical problem in the range of certain error, basically reach the technique effect.Specification is follow-up
It is described as implementing the better embodiment of the present invention, so description is for the purpose of illustrating the rule of the present invention, not
To limit the scope of the present invention.Protection scope of the present invention is worked as to be defined depending on the appended claims person of defining.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Comprising, so that commodity or system including a series of key elements not only include those key elements, but also including without clear and definite
Other key elements listed, or also include for this commodity or the intrinsic key element of system.In the feelings of not more limitations
Under condition, the key element limited by sentence "including a ...", it is not excluded that in the commodity or system including the key element also
There is other identical element.
Some preferred embodiments of the present invention have shown and described in described above, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in invention contemplated scope described herein
It is modified., then all should be in this hair and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In the protection domain of bright appended claims.
Claims (5)
1. a kind of improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, it is characterised in that comprises the following steps：
1) bait fish：The common kind that bait fish selection is readily available on the spot, but require that bait fish is fresh, killed, and go
Squama, decaptitating, go after internal organ to clean up it is rear stand-by.Many squamas shovel jaw fry that every ten thousand tail has just been open needs 500 grams of bait fishes daily
The fish slurry that meat is cooked into, gradually increases the consumption of bait fish as many squamas shovel growing up for jaw fish body later；
2) fish slurry is boiled：The clean bait flesh of fish is put into water mixing in pot be placed on fire and boil, rotten shape is oppressed into bait, then will
Minced fillet adds photosynthetic bacteria together with dregs double gauze or 60 mesh silk cover filterings after obtained fish slurry cooling, standby；Make daily
It is finished on the day of the fish slurry performed, putrid and deteriorated can not use；
3) bait feeding：When the mixotrophism stage is arrived in the shovel jaw fish membrane development of many squamas, that is, start extraneous food of ingesting, with making
Fish slurry add water full pool spilling head, speed of splashing is slow, every tail fish body is eaten to obtain food；Finish fish slurry half an hour after and check fish
Body meal situation, 80% fish body belly turgor, then feeding amount is normal, otherwise the fish body belly filling degree more than 40%
It is low, also in search of food, that is, increase feeding amount or increase bait throwing in number of times；
4) daily management：As conventional cultivation, cultivation measure is adjusted according to fry growth state in time；In same cultivation pond
Body size wants uniformity；Many squama shovel jaw fish young, which fear to put up a shed above strong light, pond, shelters from heat or light；Water is often changed, training is kept
Educate miniflow water state in pond；With the increase of body size, breeding density and feeding amount are adjusted in time；If condition is permitted, can
Suitably increase daily feeding number of times.
2. according to claim 1 improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, it is characterised in that the bait
Expect the one or more in fish selection crucian, carp, silver carp Huo Bighead fishes.
3. according to claim 1 improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, it is characterised in that the light
Close bacterium and account for fish slurry volume 25%-35%；The concentration of photosynthetic bacteria is viable count >=3 × 108cfu/g。
4. according to claim 1 improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, it is characterised in that the step
It is rapid 3) in fish slurry splashed once every 2-3 hours.
5. according to claim 1 improve the breeding method that many squamas shovel jaw fish survival rate of fish fry, it is characterised in that the step
It is rapid 4) in miniflow water state specifically refer to keep in culture pond per having exchanged within 4-6 hours a water.
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| CN201710248795.1A CN107027670A (en) | 2017-04-17 | 2017-04-17 | It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry |
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| CN201710248795.1A CN107027670A (en) | 2017-04-17 | 2017-04-17 | It is a kind of to improve the breeding method that many squamas shovel jaw fish survival rate of fish fry |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107372225A (en) * | 2017-08-30 | 2017-11-24 | 浙江省淡水水产研究所 | The artificial breeding method of jaw fish is shoveled in Taiwan |
| CN107396861A (en) * | 2017-08-18 | 2017-11-28 | 西南大学 | A kind of method of the more squama shovel jaw fish artificial induced spawnings in southwest |
| CN108103101A (en) * | 2017-12-19 | 2018-06-01 | 西南大学 | Tbc1d14 gene overexpressions adenovirus, carrier and structure and packing method |
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| CN107396861A (en) * | 2017-08-18 | 2017-11-28 | 西南大学 | A kind of method of the more squama shovel jaw fish artificial induced spawnings in southwest |
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| CN108103101A (en) * | 2017-12-19 | 2018-06-01 | 西南大学 | Tbc1d14 gene overexpressions adenovirus, carrier and structure and packing method |
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