CN106135097A - A kind of gold Stromateoides argenteus staged big water body fry rearing method - Google Patents
A kind of gold Stromateoides argenteus staged big water body fry rearing method Download PDFInfo
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- CN106135097A CN106135097A CN201610522404.6A CN201610522404A CN106135097A CN 106135097 A CN106135097 A CN 106135097A CN 201610522404 A CN201610522404 A CN 201610522404A CN 106135097 A CN106135097 A CN 106135097A
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- fry
- prelarva
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 37
- 241001214258 Pampus argenteus Species 0.000 title claims abstract description 36
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000010931 gold Substances 0.000 title claims abstract description 35
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 35
- 230000000384 rearing effect Effects 0.000 title claims abstract description 26
- 241000251468 Actinopterygii Species 0.000 claims abstract description 37
- 239000013535 sea water Substances 0.000 claims abstract description 34
- 230000012010 growth Effects 0.000 claims abstract description 13
- 238000009395 breeding Methods 0.000 claims abstract description 10
- 230000001488 breeding effect Effects 0.000 claims abstract description 9
- 230000012447 hatching Effects 0.000 claims description 50
- 239000004744 fabric Substances 0.000 claims description 48
- 102000002322 Egg Proteins Human genes 0.000 claims description 25
- 108010000912 Egg Proteins Proteins 0.000 claims description 25
- 210000004681 ovum Anatomy 0.000 claims description 25
- 210000004602 germ cell Anatomy 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000004575 stone Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 13
- 239000003643 water by type Substances 0.000 claims description 11
- 230000033228 biological regulation Effects 0.000 claims description 10
- 230000003203 everyday effect Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
- 241000700141 Rotifera Species 0.000 claims description 9
- 241000239250 Copepoda Species 0.000 claims description 6
- 238000012258 culturing Methods 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- VRLDVERQJMEPIF-UHFFFAOYSA-N dbdmh Chemical compound CC1(C)N(Br)C(=O)N(Br)C1=O VRLDVERQJMEPIF-UHFFFAOYSA-N 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 241000133262 Nauplius Species 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 235000013305 food Nutrition 0.000 claims description 3
- 235000013372 meat Nutrition 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000002574 poison Substances 0.000 claims description 2
- 231100000614 poison Toxicity 0.000 claims description 2
- 238000009877 rendering Methods 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims 2
- 235000012255 calcium oxide Nutrition 0.000 claims 2
- 230000004083 survival effect Effects 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000002503 metabolic effect Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- -1 polypropylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000011534 incubation Methods 0.000 description 3
- 230000001418 larval effect Effects 0.000 description 3
- 206010025482 malaise Diseases 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003640 drug residue Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005186 environmental transport Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing 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
-
- 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)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to gold Stromateoides argenteus cultivation field, particularly relate to a kind of gold Stromateoides argenteus staged big water body fry rearing method, after gold Stromateoides argenteus incubating oosperm goes out, by carrying out nursery stage by stage in nursery pond and Deep sea net cage, by keeping exchange and the flowing of water body, the self-cleaning ability utilizing sea water removes the metabolic waste during hatch fish roe and larvae growth, and the M & M of prelarva all has reduction.Meanwhile, in the nursery later stage, prelarva being transferred to carry out in Deep sea net cage nursery, make gold Stromateoides argenteus prelarva progressively adapt to the breeding environment of Deep sea net cage, after can being substantially reduced fry input, the stress produced because environment changes, survival rate is greatly improved.
Description
Technical field
The present invention relates to gold Stromateoides argenteus cultivation field, particularly relate to a kind of gold Stromateoides argenteus staged big water body fry rearing method.
Background technology
The breed fish source of fry of cultivation of Deep sea net cage mainly has two, and one is to fish for natural fingerling from sea area by cultivating
Obtaining fry, two are artificial propagation fingerlings and are cultivated and obtain.The fry that employing manual method is bred is equal due to growth promoter
Weighing apparatus, has carried out the disease control of necessity in the nurturing period, and the scale bred can be adjusted according to the demand of user, therefore,
The fry demand of artificial propagation rises year by year.
Deep sea net cage cultivates, it is common practice to select mild and stable bay, or relatively big at area, change water condition
Good deep water pond is cultivated fry, treats that fry growth to after 3-4 cm, is transported to cultivation in Deep sea net cage until long
Become finished product fish.Owing to place and the cultivation place of nursery generally have a certain distance, transportation often results in fish bulk damage,
Scale comes off, thus easily causes antibacterial to infect or parasite intrusion, causes fry to be lost.Additionally, cultivate fry region and
Culturing area water quality, temperature, water velocity etc. all have certain difference, such as misoperation, easily occur stress to cause extremely
Seedling, economic loss is huge.
Summary of the invention
The present invention proposes a kind of gold Stromateoides argenteus staged big water body fry rearing method, it is achieved that the training of fry stage by stage
Educate, greatly reduce the stress caused because of environmental change, be prevented effectively from injury fry caused because of environmental transport and transfer.
The technical scheme is that and be achieved in that:
A kind of gold Stromateoides argenteus staged big water body fry rearing method, it is characterised in that comprise the following steps:
(1) hatching of fish roe
Select pond close together, ocean off sea as nursery pond, before putting into fish roe, remove the mud at the bottom of pond, use raw
Calx, to pond disinfection, injects the sea water after filtering and cleans pond, drained by water afterwards, refill the sea water after filtration, if
Put hatching barrel, the inflation of gas stone has been set in bucket, keep the exchange rate of nursery pond maritime interior waters until nursery terminates；Treat larval rearing water
Germ cell is thrown in after matter is stable；The next day of gold Stromateoides argenteus Gunther parent fish spawning collects germ cell and puts into hatching barrel and hatch, and is found to have dead
Ovum is removed in time；The speed adjusting the inflation of gas stone makes water flowing in hatching barrel, drives germ cell to keep vibrations slightly, until hatching
Go out prelarva；During incubating oosperm, the velocity of liquid assets that nursery pond maritime interior waters is educated in regulation is identical with water velocity in hatching barrel；
(2) cultivation of nursery pond fry
The next day that prelarva hatches, collect in prelarva moves on to nursery pond in the colour bar cloth case pre-set and support temporarily, colour bar cloth
Case arranges sunshade net shielded from sunlight, and arranges the inflation of gas stone, and flow rate is identical with in hatching barrel in keeping colour bar cloth case；
After supporting 48-50 hour temporarily, nursery pond throws in biological feed, opens colour bar cloth case, makes prelarva be freely accessible to nursery pond and ingest out
Mouth biological feed；Afterwards according to growth and the situation of searching for food of prelarva, throw in feedstuff on time；Prelarva enters nursery pond from colour bar cloth case
1-2 days in, control nursery pond seawater velocity identical with water velocity in colour bar cloth case, be stepped up nursery pond inland sea afterwards
Water flow velocity, enters nursery pond prelarva and is stepped up water velocity in nursery pond in 3-5 days, until in nursery pond water velocity with
Sea Near water velocity is identical；Larvae growth to after the fry of long 2-3 centimetre of body, is rendered to carry out in Deep sea net cage deep
Sea cage culture；
(3) management of Deep sea net cage nursery
At least 2 layers of etting are set on Deep sea net cage；Before etting is installed, it is carried out and sterilizes；At sea area temperature it is
When 27-28 DEG C, fry is transported to sea area, net cage place, renders in net cage；Input fry, in 2-5 days, controls nursery pond
Seawater velocity is identical with water velocity in colour bar cloth case；The most successively remove the etting installed additional, make water velocity in Deep sea net cage
Progressively consistent with water velocity in sea area, continue cultivation long 3-4 centimetre to body, can be used as fry and sell or carry out later stage business
Product fish culture；Breeding process regularly replaces new etting.
Further, in described step (1), during hatch fish roe, the salinity of regulation sea water controls 30 ‰-35 ‰, dissolves
Control for Oxygen Content is more than 8 mg/litre, and nursery pond water level 1.0-1.5 rice, water pH value controls between 7.6-8.8, transparency
Controlling at 50-60 centimetre, dissolved oxygen 5-6 mg/litre, ammonia nitrogen is below 0.3 mg/litre, and incubating oosperm density is 600,000-80
Ten thousand/cubic metre.
Further, in described step (1), the method getting rid of dead ovum is: stop inflation 15-20 minute, and normal ovum floats, not
Fertilization or grow abnormal ovum and a small amount of foreign material are sunken to the bottom of hatching barrel, open the drain valve bottom hatching barrel, slowly arrange
Water, checkmate ovum and foreign material discharge.
Further, in described step (2), sunshade rate 80-90% of sunshade net；The temporary cultivation density of prelarva in colour bar cloth case
It it is 100,000-20 ten thousand tails/cubic meter；When prelarva is supported in colour bar cloth case temporarily, the biological feedstuff of input is wheel animalcule；Prelarva enters nursery
Chi Hou, is bait 3-5 age in days wheel animalcule of throwing something and feeding, and every day at the upper and lower noon respectively throws something and feeds 1 time；6-13 age in days is thrown something and fed Copepods nauplius,
Throw every day 4 times, after 13 ages in days, based on Copepods adult and fish meat emulsion, throw something and feed every day 4 times.
Further, before described step (2) renders to Deep sea net cage cultivation, mesh screen is used to be divided by different size of fry
Open.
Further, in described step (2), in prelarva hatches 1-3 days, the seawater salinity in nursery pond is reduced to
In deep-sea breeding sea area, salinity is consistent.
Further, in described step (3), described etting mesh diameter is gradually reduced from inside to outside.
Further, in described step (3), when dissolved oxygen is less than 3 mg/litre in Deep sea net cage, more renew etting.
Further, in described step (3), means of transport, net cage, the etting potassium permanganate of 20-30 gram/cubic metre of concentration
Soak and carry out disinfection for 0.5-1.0 hour；Fry puts into the saline solution of 3%-5% before net cage or 0.4 gram/cubic metre-0.5 gram/vertical
Side's rice DBDMH dipping carries out disinfection for 0.5-1.0 hour.
Beneficial effects of the present invention:
Gold Stromateoides argenteus staged big water body fry rearing method of the present invention, by dividing in nursery pond and Deep sea net cage
Stage cultivates fry, and controls the environmental condition in whole seedling raising process, makes hatching and the cultivation of nursery of gold Stromateoides argenteus germ cell
During environmental condition try one's best close to the environmental condition in Deep sea net cage culturing area, after prelarva hatches, can be progressively
Adapt to the environmental condition of Deep sea net cage, it is possible to effectively prevent the change because environmental condition is huge and cause gold Stromateoides argenteus Seedling to direct plunge into
In Deep sea net cage, produce stress, effectively reduce death and the sickness rate of fry.Additionally, due to sea water has oneself
Cleaning capacity, in whole seedling raising process, the exchange of the water body in holding nursery pond and ocean and flowing, can effectively clean fish roe and incubate
The garbage changed and produce during larvae growth, prevents growing and breeding of pathogen, for hatching and the prelarva of germ cell
Growth provides good condition.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the present invention is clearly and completely described, it is clear that
Described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the enforcement in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of protection of the invention.
Embodiment 1
A kind of gold Stromateoides argenteus staged big water body fry rearing method, it is characterised in that comprise the following steps:
(1) hatching of fish roe
Select pond close together, ocean off sea as nursery pond, before putting into fish roe, remove the mud at the bottom of pond, use raw
Calx, to pond disinfection, injects the sea water after filtering and cleans pond, drained by water afterwards, refill the sea water after filtration, if
Put hatching barrel, the inflation of gas stone has been set in bucket, keep the exchange rate of nursery pond maritime interior waters until nursery terminates；Treat larval rearing water
Germ cell is thrown in after matter is stable；The next day of gold Stromateoides argenteus Gunther parent fish spawning collects germ cell and puts into hatching barrel and hatch, and is found to have dead
Ovum is removed in time；The speed adjusting the inflation of gas stone makes water flowing in hatching barrel, drives germ cell to keep vibrations slightly, until hatching
Go out prelarva；During incubating oosperm, the velocity of liquid assets that nursery pond maritime interior waters is educated in regulation is identical with water velocity in hatching barrel；Fish
During egg hatching, the salinity of regulation sea water controls 30 ‰-35 ‰, and dissolved oxygen content controls more than 8 mg/litre, nursery pond
Water level 1.0 meters, water temperature 26-30 DEG C, water pH value controls between 7.6-8.8, and transparency controls at 50 centimetres, dissolved oxygen 5-6
Mg/litre, ammonia nitrogen is below 0.3 mg/litre, and incubating oosperm density is 600,000/cubic metre；
The method getting rid of dead ovum is: stop inflation 15 minutes, and normal ovum floats, unfertilized or grow abnormal ovum and few
Amount foreign material are sunken to the bottom of hatching barrel, open the drain valve bottom hatching barrel, slow draining, checkmate ovum and foreign material discharge；
(2) cultivation of nursery pond fry
The colour bar cloth case that specification is 3m × 2m × 1.2m, the next day that prelarva hatches are set in nursery pond, collect prelarva and move
Supporting temporarily in colour bar cloth case, supporting density temporarily is 10 hundred million tails/cubic meter, and colour bar cloth case is provided above the sunshade net of sunshade rate 80%
Shielded from sunlight, in case and arrange the inflation of gas stone, and flow rate is identical with in hatching barrel in keeping colour bar cloth case；Prelarva
Hatch in 2 days, the seawater salinity in nursery pond is reduced to consistent with salinity in Sea Near；Owing to colour bar cloth mostly is poly-second
Alkene or polypropylene are made, and not permeable leak, and can effectively control the condition in colour bar cloth case, keep the prelarva just hatched
Live in metastable environment, be conducive to improving the survival rate of prelarva；After supporting 48 hours temporarily in colour bar cloth case, nursery
The biological feed such as wheel animalcule is thrown in as opening material in pond, opens colour bar cloth case, makes prelarva be freely accessible to nursery pond opening of ingesting biological
Bait；Afterwards according to growth and the situation of ingesting of prelarva, throw in feedstuff on time；Prelarva enters 1 day of nursery pond from colour bar cloth case
In, the seawater velocity controlling nursery pond is identical with water velocity in colour bar cloth case, is stepped up nursery pond seawater velocity afterwards,
Prelarva enters water velocity nursery pond makes nursery pond in 3 days in and increases to identical with Sea Near water velocity；Larvae growth is extremely
After the fry of long 2-3 centimetre of body, drawing in the net to sieve by fry, qualified fry is rendered to carry out in Deep sea net cage Deep sea net cage
Cultivation；
When prelarva is supported in colour bar cloth case temporarily, the biological feedstuff of input is wheel animalcule；After prelarva enters nursery pond, in 3-5 day
Wheel animalcule of throwing something and feeding age is bait, and every day at the upper and lower noon respectively throws something and feeds 1 time；6-13 age in days is thrown something and fed Copepods nauplius, throws 4 every day, and 13
After age in days, based on Copepods adult and fish meat emulsion, throw something and feed every day 4 times；
(3) management of Deep sea net cage nursery
Arranging at least 2 layers of etting on Deep sea net cage, described etting mesh diameter is gradually reduced from inside to outside；Etting, net
Before case is installed, it is carried out and sterilizes；When sea area water temperature is 27 DEG C, fry is transported to sea area, net cage place, throw in
In net cage；Means of transport, net cage, etting soak with the potassium permanganate of 20 gram/cubic metre concentration and carry out disinfection for 0.5 hour, fish
Before Seedling puts into net cage, saline solution or 0.4 gram/cubic metre DBDMH dipping with 3% carry out disinfection for 0.5 hour；Throw in fry 2
In it, in controlling Deep sea net cage, water velocity is stable identical with nursery pond flow velocity；Afterwards from the beginning of outside etting, every day by
Layer removes one layer of etting installed additional, and in gradually making Deep sea net cage, water velocity keeps consistent with water velocity in sea area；Work as deep-sea
When dissolved oxygen is less than 3 mg/litre in net cage, more renew etting；Continue cultivation to the fingerling of different size, can be used as selling or
Person carries out later stage marketable fish cultivation.
Embodiment 2
A kind of gold Stromateoides argenteus staged big water body fry rearing method, it is characterised in that comprise the following steps:
(1) hatching of fish roe
Select pond close together, ocean off sea as nursery pond, before putting into fish roe, remove the mud at the bottom of pond, use raw
Calx, to pond disinfection, injects the sea water after filtering and cleans pond, drained by water afterwards, refill the sea water after filtration, if
Put hatching barrel, the inflation of gas stone has been set in bucket, keep the exchange rate of nursery pond maritime interior waters until nursery terminates；In treating nursery pond
Germ cell is thrown in after water stabilization；The next day of gold Stromateoides argenteus Gunther parent fish spawning collects germ cell and puts into hatching barrel and hatch, and is found to have
Dead ovum is removed in time；The speed adjusting the inflation of gas stone makes water flowing in hatching barrel, drives germ cell to keep vibrations slightly, until incubating
Dissolve prelarva；During incubating oosperm, the water velocity that nursery pond maritime interior waters is educated in regulation is identical with water velocity in hatching barrel；
During hatch fish roe, the salinity of regulation sea water controls 35 ‰, and dissolved oxygen content controls more than 8 mg/litre, nursery pond water level
1.5 meters, water temperature 30 DEG C, water pH value controls between 8.8, and transparency controls at 60 centimetres, and dissolved oxygen 6 mg/litre, ammonia nitrogen exists
Below 0.3 mg/litre, incubating oosperm density 800,000/cubic metre；
The method getting rid of dead ovum is: stop inflation 20 minutes, and normal ovum floats, unfertilized or grow abnormal ovum and few
Amount foreign material are sunken to the bottom of hatching barrel, open the drain valve bottom hatching barrel, slow draining, checkmate ovum and foreign material discharge；
(2) cultivation of nursery pond fry
The colour bar cloth case that specification is 3m × 2m × 1.2m, the next day that prelarva hatches are set in nursery pond, collect prelarva and move
Supporting temporarily in colour bar cloth case, supporting density temporarily is 200,000 tails/cubic meter, and colour bar cloth case is provided above the sunshade net of sunshade rate 90% and hides
Covering sunlight, in case and arrange the inflation of gas stone, and flow rate is identical with in hatching barrel in keeping colour bar cloth case；Hatch prelarva
Go out in 3 days, the seawater salinity in nursery pond is reduced to consistent with salinity in Sea Near；Due to colour bar cloth mostly be polyethylene or
Person's polypropylene is made, and not permeable leaks, and can effectively control the condition in colour bar cloth case, keep the prelarva life just hatched
In metastable environment, be conducive to improving the survival rate of prelarva；After supporting 50 hours temporarily in colour bar cloth case, nursery pond is thrown
Put the biological feeds such as wheel animalcule as opening material, open colour bar cloth case, make prelarva be freely accessible to nursery pond and ingest opening biological feed；
Afterwards according to growth and the situation of ingesting of prelarva, according to the method for embodiment 1, throw in feedstuff on time；Prelarva enters from colour bar cloth case
In entering nursery pond 2 days, the seawater velocity controlling nursery pond is identical with water velocity in colour bar cloth case, is stepped up sea water stream afterwards
Speed, was stepped up water velocity in nursery pond in 5 days, until the flow velocity in nursery pond is identical with culturing area seawater velocity；
Larvae growth, to after the fry of long 2-3 centimetre of body, draws in the net to sieve, is rendered to carry out in Deep sea net cage Deep sea net cage cultivation；
(3) management of Deep sea net cage nursery
Arranging at least 2 layers of etting on Deep sea net cage, described etting mesh diameter is gradually reduced from inside to outside；Etting, net
Before case is installed, it is carried out and sterilizes；When sea area water temperature is 27-28 DEG C, fry is transported to sea area, net cage place,
Render in net cage；Means of transport, net cage, etting soak with the potassium permanganate of 30 gram/cubic metre concentration and disappear for 1.0 hours
Poison, fry put into net cage before 5% saline solution or 0.5 gram/cubic metre DBDMH dipping within 0.5-1.0 hour, carry out disinfection；Throw
In putting fry 5 days, in controlling Deep sea net cage, water velocity is identical with flow velocity in nursery pond；The most successively remove the etting installed additional,
In making Deep sea net cage, water velocity is gradually increased, until consistent with water velocity in sea area, in Deep sea net cage, dissolved oxygen is less than 3 millis
During grams per liter, more renew etting；Continue to cultivate the fingerling to different size, can be used as selling or carry out later stage marketable fish and support
Grow.
Embodiment 3
A kind of gold Stromateoides argenteus staged big water body fry rearing method, it is characterised in that comprise the following steps:
(1) hatching of fish roe
Select pond close together, ocean off sea as nursery pond, before putting into fish roe, remove the mud at the bottom of pond, use raw
Calx, to pond disinfection, injects the sea water after filtering and cleans pond, drained by water afterwards, refill the sea water after filtration, if
Put hatching barrel, the inflation of gas stone has been set in bucket, keep the exchange rate of nursery pond maritime interior waters until nursery terminates；Treat larval rearing water
Germ cell is thrown in after matter is stable；The next day of gold Stromateoides argenteus Gunther parent fish spawning collects germ cell and puts into hatching barrel and hatch, and is found to have dead
Ovum is removed in time；The speed adjusting the inflation of gas stone makes water flowing in hatching barrel, drives germ cell to keep vibrations slightly, until hatching
Go out prelarva；During incubating oosperm, the velocity of liquid assets that nursery pond maritime interior waters is educated in regulation is identical with water velocity in hatching barrel；Fish
During egg hatching, the salinity of regulation sea water controls 33 ‰, and dissolved oxygen content controls more than 8 mg/litre, nursery pond water level
1.2 meters, water temperature 28 DEG C, water pH value controls between 8.0, and transparency controls at 55 centimetres, and dissolved oxygen 5 mg/litre, ammonia nitrogen exists
Below 0.3 mg/litre, incubating oosperm density is 700,000/cubic metre；
The method getting rid of dead ovum is: stop inflation 18 minutes, and normal ovum floats, unfertilized or grow abnormal ovum and few
Amount foreign material are sunken to the bottom of hatching barrel, open the drain valve bottom hatching barrel, slow draining, checkmate ovum and foreign material discharge；
(2) cultivation of nursery pond fry
The colour bar cloth case that specification is 3m × 2m × 1.2m, the next day that prelarva hatches are set in nursery pond, collect prelarva and move
Supporting temporarily in colour bar cloth case, supporting density temporarily is 150,000 tails/cubic meter, and colour bar cloth case is provided above the sunshade net of sunshade rate 85% and hides
Covering sunlight, in case and arrange the inflation of gas stone, and flow rate is identical with in hatching barrel in keeping colour bar cloth case；Hatch prelarva
Go out in 2 days, the seawater salinity in nursery pond is reduced to consistent with salinity in deep-sea breeding sea area；Owing to colour bar cloth mostly is poly-second
Alkene or polypropylene are made, and not permeable leak, and can effectively control the condition in colour bar cloth case, keep the son just hatched
Fish lives in metastable environment, is conducive to improving the survival rate of prelarva；After supporting 49 hours temporarily in colour bar cloth case, educate
Miao Chi throws in the biological feed such as wheel animalcule as opening material, opens colour bar cloth case, makes prelarva be freely accessible to nursery pond opening of ingesting raw
Thing bait；Afterwards according to growth and the situation of ingesting of prelarva, the method for reference example 1, throw in feedstuff on time；Prelarva is from colour bar
Cloth case enters in 2 days of nursery pond, and the seawater velocity controlling nursery pond is identical with water velocity in colour bar cloth case, the most gradually increases
Adding nursery pond maritime interior waters flow velocity, in increasing to nursery pond in 4 days, water velocity is identical with culturing area seawater velocity；Prelarva is raw
Long to the fry of long 2-3 centimetre of body, draw in the net to sieve, rendered to Deep sea net cage is carried out Deep sea net cage cultivation；
(3) management of Deep sea net cage nursery
Arranging at least 2 layers of etting on Deep sea net cage, described etting mesh diameter is gradually reduced from inside to outside；Etting, net
Before case is installed, it is carried out and sterilizes；When sea area water temperature is 28 DEG C, fry is transported to sea area, net cage place, throw in
In net cage；Means of transport, net cage, etting soak with the potassium permanganate of 25 gram/cubic metre concentration and carry out disinfection for 0.8 hour, fish
Seedling put into net cage before 4% saline solution or 0.45 gram/cubic metre DBDMH dipping within 0.7 hour, carry out disinfection；Throw in fry 3 days
In, in controlling Deep sea net cage, water velocity is identical with nursery pond flow velocity；The most successively remove the etting installed additional, in making Deep sea net cage
Water velocity keeps consistent with water velocity in sea area, when dissolved oxygen is less than 3 mg/litre in Deep sea net cage, more renews etting；Continue
Continuous cultivation, to the fingerling of different size, can be used as selling or carrying out later stage marketable fish cultivation.
Different fry rearing methods cultivate effect
Taking same batch and obtain gold Stromateoides argenteus germ cell, be averagely allocated as 4 parts, experimental group 1-3 is according to 3 embodiments of the present invention
Method hatching, cultivation fry, matched group carries out the hatching of germ cell according to existing gold Stromateoides argenteus fry mating system and cultivates fish
Kind.The relatively incubation rate of germ cell and the sickness rate of prelarva, mortality rate, and the surviving of fingerling after rendering to Deep sea net cage
Rate, its result is as shown in table 1.
Different breeding methods are to gold Stromateoides argenteus fry rearing effect expedition
As can be seen from Table 1, different processing methods, the incubation rate of gold Stromateoides argenteus germ cell no significant difference, fish are used
The mortality rate of Seedling and sickness rate, 3 embodiment groups have reduction in various degree than matched group.The fry cultivated out is rendered to deeply
After the cage culture of sea, survival rate is apparently higher than matched group, and difference is the most notable.Illustrate to use fry rearing of the present invention
Method, the incubation rate of germ cell is maintained at higher level, and the M & M of fry has reduction in various degree；
Owing to using method for culturing seedlings stage by stage, the fry cultivated can well adapt to the breeding environment of Deep sea net cage, survival rate
Significantly improve.
Additionally, the breeding process in later stage also finds, use the fry that fry rearing method of the present invention is bred, fish
The overall quality of Seedling improves significantly, and in later stage breeding process, M & M also has reduction in various degree, fry
Searching for food vigorous, efficiency of feed utilization improves, fast growth, and the culture-cycle shortens, and economic benefit is fairly obvious.Due to gold Stromateoides argenteus fish
Seedling is best in quality, and resistance against diseases improves, and epidemic prevention drug uses and reduces, and reduces the drug residue of finished product gold Stromateoides argenteus, marketing quality
It is greatly improved.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. a golden Stromateoides argenteus staged big water body fry rearing method, it is characterised in that comprise the following steps:
(1) hatching of fish roe
Select pond close together, ocean off sea as nursery pond, before putting into fish roe, remove the mud at the bottom of pond, use quick lime
To pond disinfection, inject the sea water after filtering and clean pond, afterwards water is drained, refill the sea water after filtration, set
Hatching barrel, arranges the inflation of gas stone, keeps the circulation of nursery pond maritime interior waters in bucket, throw in germ cell after nursery pond water stabilization；
The next day of gold Stromateoides argenteus Gunther parent fish spawning collects germ cell and puts into hatching barrel and hatch, and is found to have dead ovum and removes in time；Adjust gas stone
The speed of inflation makes water flowing in hatching barrel, drives germ cell to keep vibrations slightly, until hatching prelarva；Incubating oosperm mistake
Cheng Zhong, the velocity of liquid assets that nursery pond maritime interior waters is educated in regulation is identical with water velocity in hatching barrel；
(2) cultivation of nursery pond fry
The next day that prelarva hatches, collecting in prelarva moves on to nursery pond in the colour bar cloth case pre-set and support temporarily, colour bar cloth case sets
Put sunshade net shielded from sunlight, and the inflation of gas stone is set, and flow rate is identical with in hatching barrel in keeping colour bar cloth case；Support temporarily
After 48-50 hour, nursery pond throws in biological feed, opens colour bar cloth case, makes prelarva be freely accessible to nursery pond opening of ingesting raw
Thing bait；Afterwards according to growth and the situation of searching for food of prelarva, throw in feedstuff on time；Prelarva enters the 1-of nursery pond from colour bar cloth case
In 2 days, the seawater velocity controlling nursery pond is identical with water velocity in colour bar cloth case, is stepped up nursery afterwards in 3-5 days
Pool inner water Flow Velocity, until the flow velocity in nursery pond is identical with culturing area seawater velocity；Larvae growth is to long 2-3 centimetre of body
After fry, rendered to Deep sea net cage is carried out Deep sea net cage cultivation；
(3) management of Deep sea net cage nursery
At least 2 layers of etting are set on Deep sea net cage；Before etting is installed, it is carried out and sterilizes；It is 27-28 at sea area temperature
DEG C time, by fry transport to sea area, net cage place, render in net cage；Input fry, in 2-5 days, controls current in Deep sea net cage
Velocity-stabilization is at the 1/4-1/2 of sea area water velocity；The most successively remove the etting installed additional, make in Deep sea net cage water velocity with
In sea area, water velocity keeps consistent, continues cultivation long 3-4 centimetre to body, can be used as fry and sells or carry out later stage commodity
Fish culture.
2. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(1), in, the consumption of quick lime is every mu of use 150 kilogram of raw Calx；Sea water filter uses 120-160 mesh sieve thin,tough silk；The hatch fish roe phase
Between, the salinity of regulation sea water controls 30 ‰-35 ‰, and dissolved oxygen content controls more than 8 mg/litre, nursery pond water level 1.0-
1.5 meters, water pH value controls between 7.6-8.8, and transparency controls at 50-60 centimetre, dissolved oxygen 5-6 mg/litre, ammonia nitrogen
Below 0.3 mg/litre, incubating oosperm density is 600,000-80 ten thousand/cubic metre.
3. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(1), in, the method getting rid of dead ovum is: stop inflation 15-20 minute, normal ovum float, unfertilized or grow abnormal ovum and
A small amount of foreign material are sunken to the bottom of hatching barrel, open the drain valve bottom hatching barrel, slow draining, checkmate ovum and foreign material discharge.
4. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(2) in, sunshade rate 80-90% of sunshade net；In colour bar cloth case, the temporary cultivation density of prelarva is 100,000-20 ten thousand tails/cubic meter；Young
When fish is supported in colour bar cloth case temporarily, the biological feedstuff of input is wheel animalcule；Prelarva enters after nursery pond, throws something and feeds wheel animalcule at 3-5 age in days
For bait, every day at the upper and lower noon respectively throws something and feeds 1 time；6-13 age in days is thrown something and fed Copepods nauplius, throws every day 4 times, after 13 ages in days,
Based on Copepods adult and fish meat emulsion, throw something and feed every day 4 times.
5. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(2), before rendering to Deep sea net cage cultivation, use mesh screen by different size of fry separately.
6. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(2) in, in prelarva hatches 1-3 days, the seawater salinity in nursery pond is reduced to consistent with salinity in deep-sea breeding sea area.
7. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(3), in, described etting mesh diameter is gradually reduced from inside to outside.
8. a kind of gold Stromateoides argenteus staged fry rearing method as claimed in claim 1, it is characterised in that: in described step (3),
When dissolved oxygen is less than 3 mg/litre in Deep sea net cage, more renew etting.
9. a kind of gold Stromateoides argenteus staged big water body fry rearing method as claimed in claim 1, it is characterised in that: described step
(3), in, means of transport, net cage, the potassium permanganate of 20-30 gram/cubic metre of concentration of etting soak and disappear for 0.5-1.0 hour
Poison；Fry puts into saline solution or-0.5 gram/cubic metre of DBDMH dipping 0.5-of 0.4 gram/cubic metre of 3%-5% before net cage
Within 1.0 hours, carry out disinfection.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107318713A (en) * | 2017-08-03 | 2017-11-07 | 中国水产科学研究院南海水产研究所 | A kind of batch production offspring seed cultivation method of egg-shaped pompano |
| CN108496855A (en) * | 2018-03-16 | 2018-09-07 | 湛江渔宝现代渔业科技有限公司 | A kind of golden pomfret deep-water net cage culture method |
| CN110476841A (en) * | 2019-08-09 | 2019-11-22 | 临高海丰养殖发展有限公司 | A kind of put-on method of Deep sea net cage fry |
| CN112293304A (en) * | 2020-10-30 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Deep-water stepped breeding method for golden pomfret fries |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318713A (en) * | 2017-08-03 | 2017-11-07 | 中国水产科学研究院南海水产研究所 | A kind of batch production offspring seed cultivation method of egg-shaped pompano |
| CN108496855A (en) * | 2018-03-16 | 2018-09-07 | 湛江渔宝现代渔业科技有限公司 | A kind of golden pomfret deep-water net cage culture method |
| CN110476841A (en) * | 2019-08-09 | 2019-11-22 | 临高海丰养殖发展有限公司 | A kind of put-on method of Deep sea net cage fry |
| CN112293304A (en) * | 2020-10-30 | 2021-02-02 | 广东大麟洋海洋生物有限公司 | Deep-water stepped breeding method for golden pomfret fries |
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| CN106135097B (en) | 2017-06-06 |
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Address after: The new Ying Zhen tou Ju Cun, Lingao County, Hainan province 571835 Patentee after: Hainan Haifeng Fishery Development Group Co., Ltd Address before: 571835 touzui village, Xinying Town, Lingao County, Hainan Province Patentee before: LINGAO HAIFENG BREEDING DEVELOPMENT Co.,Ltd. |