CN108235965A - It controllably accelerates the ripening in a kind of egg-shaped pompano parent population room oviposition method - Google Patents
It controllably accelerates the ripening in a kind of egg-shaped pompano parent population room oviposition method Download PDFInfo
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- CN108235965A CN108235965A CN201810088728.2A CN201810088728A CN108235965A CN 108235965 A CN108235965 A CN 108235965A CN 201810088728 A CN201810088728 A CN 201810088728A CN 108235965 A CN108235965 A CN 108235965A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 241000276694 Carangidae Species 0.000 title claims abstract description 31
- 230000005070 ripening Effects 0.000 title claims abstract description 29
- 230000017448 oviposition Effects 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000032696 parturition Effects 0.000 claims abstract description 28
- 241000251468 Actinopterygii Species 0.000 claims abstract description 26
- 230000000384 rearing effect Effects 0.000 claims abstract description 17
- 238000009360 aquaculture Methods 0.000 claims abstract description 16
- 244000144974 aquaculture Species 0.000 claims abstract description 16
- 230000000638 stimulation Effects 0.000 claims abstract description 11
- 235000013601 eggs Nutrition 0.000 claims abstract description 10
- 230000012447 hatching Effects 0.000 claims abstract description 5
- 235000016709 nutrition Nutrition 0.000 claims abstract description 5
- 230000035764 nutrition Effects 0.000 claims abstract description 5
- 238000005286 illumination Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011782 vitamin Substances 0.000 claims description 4
- 229940088594 vitamin Drugs 0.000 claims description 4
- 241000238366 Cephalopoda Species 0.000 claims description 3
- 241000238557 Decapoda Species 0.000 claims description 3
- 102000009165 Gonadoliberin Human genes 0.000 claims description 3
- 108050000048 Gonadoliberin Proteins 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 229960004407 chorionic gonadotrophin Drugs 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000009395 breeding Methods 0.000 abstract description 13
- 230000001488 breeding effect Effects 0.000 abstract description 13
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 230000026109 gonad development Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
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- 230000018109 developmental process Effects 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 241000630524 Taractes rubescens Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000004681 ovum Anatomy 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 241000932075 Priacanthus hamrur Species 0.000 description 1
- 241000719209 Trachinotus ovatus Species 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- 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
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/17—Hatching, e.g. incubators
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- 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)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Birds (AREA)
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of oviposition methods of controllably accelerating the ripening in egg-shaped pompano parent population room, include the following steps:S1, it picks out of the right age parent population and is transferred to parent fish rearing pond and cultivated;S2, culture pond water quality is maintained to stablize, aquaculture management is carried out to parent population, stimulation is accelerated the ripening, until reaching maturity and can hasten parturition;S3, it is hastened parturition using induced spawning method to the parent population to reach maturity, pond to be produced is transferred to after hastening parturition and waits to produce, fertilized eggs are collected after oviposition and carry out hatching, cultivating.Egg-shaped pompano parent population induced breeding process of the present invention carries out indoors, and breeding water body physical and chemical factor is stably and controllable, while the temperature of breeding water body can be regulated and controled;It is fed using a variety of bait mix and match, ensure that the nutrition needed for parent population development;Regulated and controled by temperature, the control of fortification and light stimulation the methods of, solve the problems, such as parent population gonad development there are periodic, realize that egg-shaped pompano oviposition of accelerating the ripening is controllable, extend oviposition period, improve fanning economics.
Description
Technical field
The invention belongs to produce cultural technique field, and in particular to a kind of parent population is accelerated the ripening oviposition method, more particularly to a kind of
It controllably accelerates the ripening in egg-shaped pompano parent population room oviposition method.
Background technology
Egg-shaped pompano (Trachinotus ovatus), is commonly called as golden silvery pomfret, is the most important sea-farming of coastal areas of southern China
One of fish, annual output have been more than 100,000 tons, have higher fanning economics.
With being growing for deep-water net cage culture scale, the demand of the high-quality seed of egg-shaped pompano is also increasingly increased
Greatly.Egg-shaped pompano parent population is the basis of artificial breeding, and the oviposition of accelerating the ripening of parent population is the key technology of artificial breeding.Parent population is influenced to urge
The factor of production effect mainly has the age of a fish, maturity, nutrition, water temperature etc..Egg-shaped pompano parent population is required suitable for water temperature of hastening parturition in 25-30
DEG C, it is too high or too low for temperature parent population to be caused to hasten parturition unsuccessfully, parent population is caused to be hastened parturition in the presence of seasonal.However, traditional ovum
Shape silvery pomfret Scad accelerates the ripening to lay eggs and be carried out mostly in aquaculture net cage, larger by Environmental Factors such as water temperature, weather, it is difficult to effectively to ensure
Parent population spawning effect.It is indoor industrially-cultured because its breeding water body physical and chemical factor is stable, the factors such as controllable, it has also become fish culture
Development trend.In view of this, carry out oviposition of accelerating the ripening in egg-shaped pompano parent population room and the artificial adjustment parent population maturity period can be achieved, effectively
Improve parent population spawning effect in ground.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room.
The present invention is that technical solution is used by solving its technical problem:
It controllably accelerates the ripening oviposition method, includes the following steps in a kind of egg-shaped pompano parent population room:
S1, it picks out of the right age parent population and is transferred to parent fish rearing pond and cultivated;
S2, culture pond water quality is maintained to stablize, aquaculture management is carried out to parent population, stimulation is accelerated the ripening, can until reaching maturity
To hasten parturition;
S3, it is hastened parturition using induced spawning method to the parent population to reach maturity, pond to be produced is transferred to after hastening parturition and waits to produce, laid eggs
Fertilized eggs are collected afterwards carries out hatching, cultivating.
In the step S1, of the right age parent population be well-proportioned, physically fit 4 ages more than parent population.
Parent fish rearing pond should be in 20m for round or polygon aquaculture pond, breeding water body in the step S13More than, Chi Shen
1.0-1.2m;It is interior to be equipped with 4-5 gas charging stone, while equipped with temperature control system.
In the step S1 parent fish rearing pond use circulating water system water supply, water body day of ac be 400%, water keep
Without heterochromatic, free from extraneous odour, suspended matter is few, transparency is high;Carry out disinfection to culture pond before parent population moves into processing, and it is thin to add in nitrification
Bacterium cures circulation.
Parent fish rearing water temperature is 18 DEG C or more in the step S1.
Parent population cultivation density is 1 tail/cube water body in the step S1.
Water quality is maintained to stabilize to daily water temperature, dissolved oxygen, salt in monitoring parent population aquaculture pond in real time in the step S2
Degree, pH, the ammonia nitrogen index of results of regular determination water body, to ensure water stabilization.
Breeding water physical and chemical factor should meet fishery (aquaculture) water standard (GB11607) and require, and wherein DO >=
6mg/L;PH 7.6~8.6;Salinity be 28-33 ‰, ammonia nitrogen≤0.02mg/L.
Parent population aquaculture management includes in the step S2:Illumination regulation and control, fortification and heating stimulation;Aquaculture management process
Cleaning and interior are quiet in middle holding pond, stress to reduce parent population.
The illumination is regulated to shine using simulation natural light spectral light, and uniform light is soft;Periodicity of illumination is with reference to natural light
According to.
Preferably, illumination uses LED light or Metal halogen lamp, illumination 1500-20001x, periodicity of illumination control is 12-
14L:10-12D.It is highly preferred that intensity of illumination is 2000lx, periodicity of illumination 14L:10D.
What the fortification selected feeds bait as the collocation of chilled squid, shrimp, chilled trash fish and stripped tuna;It is described to feed
Bait is processed into agreeable to the taste size, and mixed in equal amounts by weight proportion is fed, while feeds multi-vitamins;The bait feeding mode
Using repeatedly feeding on a small quantity, feed 4-6 times daily.Preferably, it feeds daily 4 times.The feeding volume of the multi-vitamins is
The 2% of mixed feed weight.
After the heating stimulation enters pond for parent population, parent fish rearing water temperature is stepped up, increasing extent of temperature was increased for every 5 days
1 DEG C, it is warming up to 28 DEG C.The specific heating-up time is determined depending on parent fish rearing enters water temperature.
The parent population that the parent population that reaches maturity in the step S2 is expanded for abdomen, gonopore protrudes.
Fasting in 1 day in advance before induced spawning method is hastened parturition for parent population in the step S3, when hastening parturition, injecting dosage of hastening parturition is
1500 units of chorionic gonadotrophin/kg, gonadoliberin A2 10mg/kg.
Pond shape to be produced, size setting identical with parent fish rearing pond in the step S3, water temperature are 28 DEG C;Pond parent population to be produced
Density domination is in 1 tail/cube water body.
The invention has the advantages that:
(1) egg-shaped pompano parent population induced breeding process of the present invention carries out indoors, and breeding water body physical and chemical factor stabilization can
It controls and is protected from weather influences, while the temperature of breeding water body can be regulated and controled, greatly reduce parent population because produced by environmental change
Stress, so as to promote parent population gonad development effect;
(2) egg-shaped pompano parent population bait is fed using a variety of bait mix and match in the present invention, ensure that parent population sexual gland is sent out
Required nutrition is educated, improves parent population maturity;During hastening parturition indoors simultaneously, parent population feeding volume is controllable, can effectively improve
Bait utilization;
(3) regulated and controled in the present invention by temperature, the control egg-shaped pompano parent population such as fortification and light stimulation, solved
There are periodic problems for parent population gonad development, realize that egg-shaped pompano accelerates the ripening oviposition controllably, extend oviposition period, improve cultivation warp
Ji benefit.
Description of the drawings
Fig. 1 is the schematic diagram of oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room of the present invention.
Specific embodiment
Technical scheme of the present invention is described in further detail with reference to specific embodiment, so that people in the art
Member can be better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
It controllably accelerates the ripening oviposition method, includes the following steps in a kind of egg-shaped pompano parent population room:
S1, pick out be well-proportioned, physically fit 4 ages more than parent population is transferred to parent fish rearing pond and is cultivated.
The parent fish rearing pond is the round cement pit of diameter 6m, and pond depth is 1.2m, and setting sewage draining exit in bottom of pond portion is equipped with simultaneously
There is temperature control system.Parent fish rearing pond use circulating water system water supply, water body day of ac be 400%, water keep without heterochromatic, nothing
Peculiar smell, suspended matter are few, transparency is high.Metal halogen lamp above culture pond is set, 4 gas charging stones are put into each pond.
Parent population enters the processing that carries out disinfection to culture pond before pond, and adds in nitrobacteria and water system is cured, and treats water quality
After index is stablized, the parent population that will be singled out is put into culture pond, and culture pond initial temperature is 20 DEG C, and cultivation density is 1 tail/vertical
Fang Shuiti.
S2, culture pond water quality is maintained to stablize, aquaculture management is carried out to parent population, stimulation is accelerated the ripening, can until reaching maturity
To hasten parturition.Wherein aquaculture management includes illumination regulation and control, fortification and heating stimulation;It keeps cleaning in pond during aquaculture management
It is quiet with interior, to reduce parent population stress reaction.
Water quality is maintained to stablize:Daily in real time in monitoring parent population aquaculture pond the water quality such as water temperature, dissolved oxygen, salinity, pH because
Son, the ammonia nitrogen index of results of regular determination water body, to ensure water stabilization.Breeding water physical and chemical factor should meet fishery (aquaculture)
Water standard (GB11607) requirement, wherein DO >=6mg/L;PH 7.6~8.6;Salinity be 28-33 ‰, ammonia nitrogen≤0.02mg/L.
It is 8.2 or so to monitor water pH value;Salinity is 32 ‰.
Illumination regulates and controls:Parent fish rearing process opens Metal halogen lamp, makes intensity of illumination for 2000lx, and setting periodicity of illumination is
14L:10D.
Fortification:Parent population bait is periodically fed daily, is fed day 4 times.Parent population bait is with chilled squid, shrimp, chilled miscellaneous
Based on fish and stripped tuna, chilled trash fish and stripped tuna are cut into agreeable to the taste size, and above-mentioned bait presses 1:1:1:1 ratio is mixed, simultaneously
The multi-vitamins of addition mixed feed weight 2% feed parent population, to ensure nutrition needed for parent population gonad development.It is used when feeding
Multiple a small amount of mode, it is ensured that bait is fully ingested.
Heating stimulation:After parent population enters pond, parent fish rearing water temperature is gradually adjusted by heat exchanger, increasing extent of temperature is every
Increase 1 DEG C within 5 days, after heating in 40 days or so, water temperature reaches 28 DEG C or so, and parent population abdomen expands, you can preparation is hastened parturition.
S3, it is hastened parturition using induced spawning method to the parent population to reach maturity, pond to be produced is transferred to after hastening parturition and waits to produce, laid eggs
Fertilized eggs are collected afterwards carries out hatching, cultivating.
Pond to be produced is identical with culture pond shapes and sizes, sets 4 gas charging stones;Condition of water quality, water temperature and intensity of illumination
It is consistent with parent fish rearing pond.
It is hastened parturition using induced spawning method to parent population, treats within 1 day in advance parent population of hastening parturition and carry out fasting, when hastening parturition, note
Agent dose of hastening parturition is penetrated as 1500 units of chorionic gonadotrophin/kg;Gonadoliberin A2 10mg/kg.
After parent population is hastened parturition, it is transferred to pond to be produced and carries out waiting to produce.Ripe fish density control is still controlled in 1 tail/m3.After Gunther parent fish spawning,
After removing parent population to culture pond, collect fertilized eggs and carry out hatching cultivation.
In the present embodiment, by carrying out indoor induced breeding to parent population, by 40 days or so, parent population maturity reached 85%
More than, for fertilized eggs up to 90%, development of fertilized ova is good.And the egg-shaped pompano parent population of same period sea area cultivation leads to parent population because water temperature is low
Maturity is poor, is unable to reach requirement of hastening parturition.It can realize that egg-shaped pompano parent population accelerates the ripening oviposition controllably by this method, obtain fertilized eggs
Quality is higher, substantially increases economic benefit.
Above-described embodiment is only one embodiment of the present of invention, but can not be used as limitation of the scope of the invention, is based on
Any improvement and modification that present inventive concept is made, each fall within protection scope of the present invention, and specific protection domain is with right
Subject to claim is recorded.
Claims (10)
1. a kind of oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room, which is characterized in that include the following steps:
S1, it picks out of the right age parent population and is transferred to parent fish rearing pond and cultivated;
S2, culture pond water quality is maintained to stablize, aquaculture management is carried out to parent population, stimulation is accelerated the ripening, until reaching maturity and can urge
Production;
S3, it is hastened parturition using induced spawning method to the parent population to reach maturity, pond to be produced is transferred to after hastening parturition and waits to produce, is received after oviposition
Collect fertilized eggs and carry out hatching, cultivating.
2. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 1, which is characterized in that the step
In S1, of the right age parent population is 4 ages more than parent population.
3. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 1 or 2, which is characterized in that described
In step S1 parent fish rearing pond use circulating water system water supply, water body day of ac be 400%.
4. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 3, which is characterized in that parent population cultivates
Density is 1 tail/cube water body.
5. oviposition method of controllably accelerating the ripening in the egg-shaped pompano parent population room according to claim 1 or 4, which is characterized in that described
Parent population aquaculture management includes in step S2:Illumination regulation and control, fortification and heating stimulation;Keep clear in pond during aquaculture management
Clean and interior is quiet.
6. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 5, which is characterized in that the illumination
Regulation and control are 12-14L using LED light or Metal halogen lamp, illumination 1500-20001x, periodicity of illumination control:10-12D.
7. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 5, which is characterized in that the nutrition
Strengthen the bait that feeds selected to arrange in pairs or groups for chilled squid, shrimp, chilled trash fish and stripped tuna;It is described feed bait be processed into it is agreeable to the taste big
Small, mixed in equal amounts is fed by weight proportion, while feeds multi-vitamins;The bait feeding mode is repeatedly thrown using a small amount of
Hello, it feeds 4-6 times daily.
8. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 5, which is characterized in that the heating
It stimulates after entering pond for parent population, steps up parent fish rearing water temperature, increasing extent of temperature increased 1 DEG C for every 5 days, is warming up to 28 DEG C.
9. oviposition method of controllably accelerating the ripening in egg-shaped pompano parent population room according to claim 1, which is characterized in that the step
The parent population that the parent population that reaches maturity in S2 is expanded for abdomen, gonopore protrudes.
It is 10. special according to oviposition method of controllably accelerating the ripening in 1,4,6,7,8 any one of them egg-shaped pompano parent population room of claim
Sign is that fasting in 1 day in advance before induced spawning method is hastened parturition for parent population in the step S3, when hastening parturition, injecting dosage of hastening parturition is
1500 units of chorionic gonadotrophin/kg, gonadoliberin A2 10mg/kg.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110521637A (en) * | 2019-08-26 | 2019-12-03 | 中国水产科学研究院南海水产研究所 | A kind of egg-shaped pompano family full-sibs construction method |
CN111374073A (en) * | 2020-05-09 | 2020-07-07 | 陵水德林诚信水产养殖有限公司 | Artificial spawning induction method for ovate pompano |
CN112042567A (en) * | 2020-07-29 | 2020-12-08 | 中国水产科学研究院南海水产研究所 | All-season cultivation method for parent fish of marine fishes |
CN112262793A (en) * | 2020-09-27 | 2021-01-26 | 云南省渔业科学研究院 | Artificial spawning induction method for schizothorax prenanti |
CN112293312A (en) * | 2020-11-24 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Cross breeding method for golden pomfret |
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