CN105994039B - A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates - Google Patents
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates Download PDFInfo
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- CN105994039B CN105994039B CN201610358178.2A CN201610358178A CN105994039B CN 105994039 B CN105994039 B CN 105994039B CN 201610358178 A CN201610358178 A CN 201610358178A CN 105994039 B CN105994039 B CN 105994039B
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- 241000594009 Phoxinus phoxinus Species 0.000 title claims abstract description 141
- 230000000384 rearing effect Effects 0.000 title claims abstract description 27
- 230000004083 survival effect Effects 0.000 title claims abstract description 20
- 238000012136 culture method Methods 0.000 title claims abstract description 15
- 238000009360 aquaculture Methods 0.000 claims abstract description 108
- 244000144974 aquaculture Species 0.000 claims abstract description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 241001000394 Diaphania hyalinata Species 0.000 claims abstract description 20
- 238000011109 contamination Methods 0.000 claims abstract description 18
- 238000013459 approach Methods 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 3
- 238000007598 dipping method Methods 0.000 claims description 33
- 241000251468 Actinopterygii Species 0.000 claims description 31
- 230000035611 feeding Effects 0.000 claims description 31
- 241000700141 Rotifera Species 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 27
- 238000005273 aeration Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 18
- 238000009395 breeding Methods 0.000 claims description 17
- 230000001488 breeding effect Effects 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 14
- 229920001661 Chitosan Polymers 0.000 claims description 13
- JDLKFOPOAOFWQN-VIFPVBQESA-N Allicin Natural products C=CCS[S@](=O)CC=C JDLKFOPOAOFWQN-VIFPVBQESA-N 0.000 claims description 12
- JDLKFOPOAOFWQN-UHFFFAOYSA-N allicin Chemical compound C=CCSS(=O)CC=C JDLKFOPOAOFWQN-UHFFFAOYSA-N 0.000 claims description 12
- 235000010081 allicin Nutrition 0.000 claims description 12
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 claims description 11
- 229960000907 methylthioninium chloride Drugs 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000002706 hydrostatic effect Effects 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 230000003071 parasitic effect Effects 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 208000015181 infectious disease Diseases 0.000 abstract description 2
- 230000000366 juvenile effect Effects 0.000 description 6
- 241000881711 Acipenser sturio Species 0.000 description 4
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 241001125080 Erpetoichthys calabaricus Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001418 larval effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000009304 pastoral farming Methods 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000252210 Cyprinidae Species 0.000 description 1
- 241000692809 Rhinogobio ventralis Species 0.000 description 1
- 241000212346 Spermolepis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000006694 eating habits Nutrition 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
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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
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Abstract
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates, this approach includes the following steps：Step 1：Prelarva is cultivated；Step 2：Postlarva is cultivated；Step 3：Postlarva is cultivated：Long Qi Wen Minnow postlarvas are cultivated in small size pond aquaculture pond, feed artifical compound feed daily 2 times, are removed contamination in time to small size pond aquaculture pond after feeding every time, and change the water that weight percent in small size pond aquaculture pond is 60% 80%.A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates provided by the invention; it can solve the problems, such as long Qi Wen Minnow prelarvas, postlarva easy infection ich; effectively preventing has been carried out to small melonworm in the long Qi Wen Minnow seed rearing stages; the survival rate for improving long Qi Wen Minnow seed rearings lays the foundation to break through long Qi Wen Minnow scale rearing of fingerling.
Description
Technical field
The present invention relates to rare Endemic fish species conservation technical field, especially a kind of high long Qi Wen Minnow seed rearings at
The intensive culture method of motility rate.
Background technology
Long Qi Wen Minnow（Rhinogobio ventralis）It is subordinate to Cyprinidae, Minnow subfamilies, it is small to be that the distinctive bottom of Upper Yangtze River is dwelt
Type economic fish.Show that long Qi Wen Minnow account for upstream according to the statistics since Inst. of Hydrobiology, Chinese Academy of Sciences 1997
The 10% of fishery resources amount, however, in recent years due to by factors such as river pollution, hydraulic engineering construction and overfishings
It influences, the wild resource of long Qi Wen Minnow drastically declines.In April, 2014, Yangtze River in China Three Gorges mandarin sturgeon research institute of group exist
The country breaches the artificial propagation techniques of long Qi Wen Minnow first, but is found during seed rearing, long Qi Wen Minnow larva and juvenile ranks
The fry of section easily infects small melonworm disease, causes its seed rearing survival rate relatively low, it has also become long Qi Wen Minnow seed scales
The bottleneck problem of cultivation.
Under normal circumstances, ich breaks out the postlarva, juvenile fish and adult fish stage in fish more, is infected in larval stages small
The report of melonworm disease is rare, and long Qi Wen Minnow seeds easily infect small melonworm in prelarva, postlarva stage, and the fry in this stage is resistance to
Medicine energy force difference resists force difference, so, long fin kiss Minnow prelarvas, postlarva once infect small melonworm, and the death rate is high.Therefore, there is an urgent need for touch
Rope go out it is a kind of can effectively prevent the cultivation pattern of small melonworm in the long Qi Wen Minnow larva and juvenile seedling stages, to improve long Qi Wen Minnow seedlings
The survival rate that kind is cultivated establishes technical foundation to break through long Qi Wen Minnow scale rearing of fingerling.
Invention content
Technical problem to be solved by the invention is to provide a kind of intensive culture sides for improving long Qi Wen Minnow seed rearing survival rates
Method can solve the problems, such as long Qi Wen Minnow prelarvas, postlarva easy infection ich, in the long Qi Wen Minnow seed rearing stages to small melon
Worm has carried out effectively preventing, improves the survival rate of long Qi Wen Minnow seed rearings, to break through long Qi Wen Minnow scale seeds training
The technology of educating lays the foundation.
In order to solve the above technical problems, the technical solution adopted in the present invention is：It is a kind of to improve long Qi Wen Minnow seed rearings
The intensive culture method of survival rate, this approach includes the following steps：
Step 1：Prelarva is cultivated：It is the long Qi Wen Minnow prelarvas of -6 age in days of 1 age in days to the age of a fish in small size pond aquaculture pond
Hydrostatic cultivation is carried out, in breeding process by the way of micro- aeration, the cultivation density 800-1000 tails of long Qi Wen Minnow prelarvas/cube
Rice；Shading treatment is carried out above small size pond aquaculture pond,
When long Qi Wen Minnow prelarvas grow to 5-6 age in days of age in days, start to feed a small amount of wheel animalcule into small size pond aquaculture pond, daily
It feeds once, starts after feeding wheel animalcule, once removed contamination to small size pond aquaculture pond daily；
Step 2：Postlarva is cultivated：The long Qi Wen Minnow prelarvas cultivated to step 1 in small size pond aquaculture pond continue to cultivate,
Until its fin ray basically forms, the inflow of small size pond aquaculture pond is 0.3-0.5 cubes m/h, using micro- in breeding process
The mode of aeration, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow fries；Shading is carried out above small size pond aquaculture pond
Processing,
To the long Qi Wen Minnow prelarvas that the age of a fish is -16 age in days of 7 age in days, wheel animalcule is fed daily 2 times, feeding volume is wheel animalcule in water body
Density is 0.5/milliliter, is once removed contamination to small size pond aquaculture pond daily,
To the long Qi Wen Minnow prelarvas that the age of a fish is -23 age in days of 17 age in days, stopping feeds wheel animalcule, starts to feed hand fit's feeding
Material, feeds artifical compound feed 2 times, removes contamination in time to small size pond aquaculture pond after feeding every time daily, and changes small size pond cultivation
Weight percent is the water of 60%-80% in pond,
Step 3：Postlarva is cultivated：Long Qi Wen Minnow prelarvas are continued to cultivate in small size pond aquaculture pond, until its squama has been developed
At the inflow of small size pond aquaculture pond is 0.8-1 cubes m/h, and in breeding process by the way of micro- aeration, long fin kisses Minnow
Cultivation density 300-600 tails/cubic meter of postlarva；Shading treatment is carried out above small size pond aquaculture pond,
It feeds artifical compound feed 2 times daily, removes contamination in time to small size pond aquaculture pond after feeding every time, and change small size pond
Weight percent is the water of 60%-80% in aquaculture pond,
In above-mentioned steps 1-3,
It is every long Qi Wen Minnow fries in small size pond aquaculture pond to be turned in 7-10 days after long Qi Wen Minnow fry initial feedings
Pond is handled, and is carried out disinfection to small size pond aquaculture pond before, dried processing；
Artifical compound feed is that allicin and chitosan are added into mixed feed, and water is used in combination to be uniformly mixed shape after drying is done
At artifical compound feed, the addition of allicin is the 1-3% of mixed feed weight, and the addition of chitosan is mixed feed
The 0.5-2% of weight,
It takes 3-5 tail length Qi Wen Minnow fries at random in small size pond aquaculture pond daily, observes the whether parasitic small melonworm of its body surface,
Once it was found that fish body body surface has small particles, dipping is taken to treat immediately.
Dipping treatment method be：
A, when finding that long Qi Wen Minnow fries break out ich, there is that the long Qi Wen Minnow's with small particles is small to cultivation immediately
It splashes in aquifer cultivation pond methylene blue, so that the methylene blue concentration in its water body is reached 0.5-2ppm and liquid for medicinal bath is made, make length
Fin kiss Minnow impregnates 3-6 hours in liquid for medicinal bath, and the inflow in small aquifer cultivation pond is 0 cube m/h in soaking process；
B, the water inlet pipe that small size pond aquaculture pond is opened after the completion of impregnating, makes long Qi Wen Minnow fries impregnate 10- again in water
12 hours；
C, all long Qi Wen Minnow of above-mentioned small size pond aquaculture pond are carried out turning pond processing；
After carrying out first time dipping, dipping treatment being carried out within every two days again, stops feeding during dipping, it is small to turn behind pond 10
When interior feed artifical compound feed used in a step 2；
Every 6 days are a dipping treatment cycle, and treatment is until small particles with long Qi Wen Minnow disappears.
In step 1-3, small size pond aquaculture pond is that cross section is circular aquaculture pond, a diameter of 1 meter, cultivates long Qi Wen Minnow fishes
Depth of water when seedling is 0.5 meter.
In step 1-3, micro- aeration is carried out using the gentle stone of oxygen increasing pump.
In artifical compound feed, the addition of allicin is preferably the 1% of mixed feed weight, and the addition of chitosan is excellent
It is selected as the 0.5% of mixed feed weight.
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates provided by the invention, has the beneficial effect that：
1, for the history of life of small melonworm, effectively preventing has been carried out to small melonworm in the seed rearing stage, has been substantially reduced
Long Qi Wen Minnow seeds break out the probability of small melonworm, significantly improve the survival rate of long Qi Wen Minnow seed rearings, to break through long fin
Wen Minnow scale rearing of fingerling lays the foundation.
2, according to the eating habit of long Qi Wen Minnow seeds, quickly turn to eat mixed feed in its larval stages, reduction feeds life
Object bait brings ich substance, greatly reduces the possibility of small melonworm outburst.
3, the immunity of long Qi Wen Minnow fries is improved by mixing food chitosan in feed, and passes through high-frequency turn
Breeding environment is replaced in pond, reduces the quantity of small melonworm packing and grazing eclipse polypide in water body, is reduced it and is infected the probability of fry.
4, when the long fin for suffering from ich in treatment kisses Minnow fries, small melonworm in water body is killed by drug methylene blue and is plunderred
The quantity of carnivorism body, and by frequently replacing breeding environment, reduce the quantity of small melonworm packing and grazing eclipse polypide in water body, cut
Break history of life of small melonworm, to achieve the purpose that treat ich.
Specific implementation mode
Embodiment one
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates, this approach includes the following steps：
Step 1：Prelarva is cultivated：It is the long Qi Wen Minnow prelarvas of -6 age in days of 1 age in days to the age of a fish in small size pond aquaculture pond
Hydrostatic cultivation is carried out, in breeding process by the way of micro- aeration, the cultivation density 800-1000 tails of long Qi Wen Minnow prelarvas/cube
Rice；Shading treatment is carried out above small size pond aquaculture pond,
When long Qi Wen Minnow prelarvas grow to 5-6 age in days of age in days, start to feed a small amount of wheel animalcule into small size pond aquaculture pond（It feeds
Amount is that wheel animalcule density is 0.1/milliliter in water body）, feed daily primary（Morning 8:30）, start after feeding wheel animalcule, it is daily right
Small size pond aquaculture pond is once removed contamination；
Step 2：Postlarva is cultivated：The long Qi Wen Minnow prelarvas cultivated to step 1 in small size pond aquaculture pond continue to cultivate,
Until its fin ray basically forms, the inflow of small size pond aquaculture pond is 0.3-0.5 cubes m/h, using micro- in breeding process
The mode of aeration, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow fries；Shading is carried out above small size pond aquaculture pond
Processing,
To the long Qi Wen Minnow prelarvas that the age of a fish is -16 age in days of 7 age in days, wheel animalcule is fed daily 2 times（Morning 8:30 and at night 7：00
It respectively feeds primary）, feeding volume is that wheel animalcule density is 0.5/milliliter in water body, is carried out daily to small size pond aquaculture pond primary clear
Dirt,
To the long Qi Wen Minnow prelarvas that the age of a fish is -23 age in days of 17 age in days, stopping feeds wheel animalcule, starts to feed hand fit's feeding
Material, feeds artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, small size pond is supported after feeding every time
It grows pond to remove contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
Step 3：Postlarva is cultivated：Long Qi Wen Minnow prelarvas are continued to cultivate in small size pond aquaculture pond, until its squama has been developed
At the inflow of small size pond aquaculture pond is 0.8-1 cubes m/h, and in breeding process by the way of micro- aeration, long fin kisses Minnow
Cultivation density 300-600 tails/cubic meter of postlarva；Shading treatment is carried out above small size pond aquaculture pond,
Feed artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, to small after feeding every time
Aquifer cultivation pond is removed contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
In above-mentioned steps 1-3,
It is every long Qi Wen Minnow fries in small size pond aquaculture pond to be turned in 7-10 days after long Qi Wen Minnow fries opening food
Pond is handled, and is carried out disinfection to small size pond aquaculture pond before, dried processing；
Artifical compound feed is that allicin and chitosan are added into mixed feed, and water is used in combination to be uniformly mixed shape after drying is done
At artifical compound feed, the addition of allicin is the 1% of mixed feed weight；The addition of chitosan is mixed feed weight
The 0.5 of amount；
Mixed feed rises the sub- feed of sturgeon private particle of rope fish feed research center production using Shandong and juvenile fish is used
Mixed feed S1.
It takes 3-5 tail length Qi Wen Minnow fries at random in small size pond aquaculture pond daily, observes the whether parasitic small melonworm of its body surface,
Once it was found that fish body body surface has small particles, dipping is taken to treat immediately.
Dipping treatment method be：
A, when finding that long Qi Wen Minnow fries break out ich, there is that the long Qi Wen Minnow's with small particles is small to cultivation immediately
It splashes in aquifer cultivation pond methylene blue, so that the methylene blue concentration in its water body is reached 0.5-2ppm and liquid for medicinal bath is made, make length
Fin kiss Minnow impregnates 3-6 hours in liquid for medicinal bath, and the inflow in small aquifer cultivation pond is 0 cube m/h in soaking process；
B, the water inlet pipe of small size pond aquaculture pond is opened after the completion of impregnating, inflow is 0.3-1 cubes m/h, makes long fin
Wen Minnow impregnate 12 hours again in water；
C, all long Qi Wen Minnow of above-mentioned small size pond aquaculture pond are carried out turning pond processing；
After carrying out first time dipping, dipping treatment being carried out within every two days again, stops feeding during dipping, it is small to turn behind pond 10
When interior feed artifical compound feed used in a step 2；
Every 6 days are a dipping treatment cycle, and treatment (need to usually treat three until small particles with long Qi Wen Minnow disappears
A dipping treatment cycle), then the long Qi Wen Minnow in small size pond aquaculture pond are cultivated according to age of a fish selection step 1 or 2 or 3.
In step 1-3, small size pond aquaculture pond is that cross section is circular aquaculture pond, a diameter of 1 meter, cultivates long Qi Wen Minnow fishes
Depth of water when seedling is 0.5 meter.
In step 1-3, micro- aeration is carried out using the gentle stone of oxygen increasing pump.
Embodiment two
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates, this approach includes the following steps：
Step 1：Prelarva is cultivated：It is the long Qi Wen Minnow prelarvas of -6 age in days of 1 age in days to the age of a fish in small size pond aquaculture pond
Hydrostatic cultivation is carried out, in breeding process by the way of micro- aeration, the cultivation density 800-1000 tails of long Qi Wen Minnow prelarvas/cube
Rice；Shading treatment is carried out above small size pond aquaculture pond,
When long Qi Wen Minnow prelarvas grow to 5-6 age in days of age in days, start to feed a small amount of wheel animalcule into small size pond aquaculture pond（It feeds
Amount is that wheel animalcule density is 0.1/milliliter in water body）, feed daily primary（Morning 8:30）, start after feeding wheel animalcule, it is daily right
Small size pond aquaculture pond is once removed contamination；
Step 2：Postlarva is cultivated：The long Qi Wen Minnow prelarvas cultivated to step 1 in small size pond aquaculture pond continue to cultivate,
Until its fin ray basically forms, the inflow of small size pond aquaculture pond is 0.3-0.5 cubes m/h, using micro- in breeding process
The mode of aeration, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow fries；Shading is carried out above small size pond aquaculture pond
Processing,
To the long Qi Wen Minnow prelarvas that the age of a fish is -16 age in days of 7 age in days, wheel animalcule is fed daily 2 times（Morning 8:30 and at night 7：00
It respectively feeds primary）, feeding volume is that wheel animalcule density is 0.5/milliliter in water body, is carried out daily to small size pond aquaculture pond primary clear
Dirt,
To the long Qi Wen Minnow prelarvas that the age of a fish is -23 age in days of 17 age in days, stopping feeds wheel animalcule, starts to feed hand fit's feeding
Material, feeds artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, small size pond is supported after feeding every time
It grows pond to remove contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
Step 3：Postlarva is cultivated：Long Qi Wen Minnow prelarvas are continued to cultivate in small size pond aquaculture pond, until its squama has been developed
At the inflow of small size pond aquaculture pond is 0.8-1 cubes m/h, and in breeding process by the way of micro- aeration, long fin kisses Minnow
Cultivation density 300-600 tails/cubic meter of postlarva；Shading treatment is carried out above small size pond aquaculture pond,
Feed artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, to small after feeding every time
Aquifer cultivation pond is removed contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
In above-mentioned steps 1-3,
It is every long Qi Wen Minnow fries in small size pond aquaculture pond to be turned in 7-10 days after long Qi Wen Minnow fries opening food
Pond is handled, and is carried out disinfection to small size pond aquaculture pond before, dried processing；
Artifical compound feed is that allicin and chitosan are added into mixed feed, and water is used in combination to be uniformly mixed shape after drying is done
At artifical compound feed, the addition of allicin is the 3% of mixed feed weight；The addition of chitosan is mixed feed weight
The 2% of amount；
Mixed feed rises the sub- feed of sturgeon private particle of rope fish feed research center production using Shandong and juvenile fish is used
Mixed feed S1.
It takes 3-5 tail length Qi Wen Minnow fries at random in small size pond aquaculture pond daily, observes the whether parasitic small melonworm of its body surface,
Once it was found that fish body body surface has small particles, dipping is taken to treat immediately.
Dipping treatment method be：
A, when finding that long Qi Wen Minnow fries break out ich, there is that the long Qi Wen Minnow's with small particles is small to cultivation immediately
It splashes in aquifer cultivation pond methylene blue, so that the methylene blue concentration in its water body is reached 0.5-2ppm and liquid for medicinal bath is made, make length
Fin kiss Minnow impregnates 3-6 hours in liquid for medicinal bath, and the inflow in small aquifer cultivation pond is 0 cube m/h in soaking process；
B, the water inlet pipe of small size pond aquaculture pond is opened after the completion of impregnating, inflow is 0.3-1 cubes m/h, makes long fin
Wen Minnow impregnate 10 hours again in water；
C, all long Qi Wen Minnow of above-mentioned small size pond aquaculture pond are carried out turning pond processing；
After carrying out first time dipping, dipping treatment being carried out within every two days again, stops feeding during dipping, it is small to turn behind pond 10
When interior feed artifical compound feed used in a step 2；
Every 6 days are a dipping treatment cycle, and treatment (need to usually treat three until small particles with long Qi Wen Minnow disappears
A dipping treatment cycle), then the long Qi Wen Minnow in small size pond aquaculture pond are cultivated according to age of a fish selection step 1 or 2 or 3.
In step 1-3, small size pond aquaculture pond is that cross section is circular aquaculture pond, a diameter of 1 meter, cultivates long Qi Wen Minnow fishes
Depth of water when seedling is 0.5 meter.
In step 1-3, micro- aeration is carried out using the gentle stone of oxygen increasing pump.
Embodiment three
A kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates, this approach includes the following steps：
Step 1：Prelarva is cultivated：It is the long Qi Wen Minnow prelarvas of -6 age in days of 1 age in days to the age of a fish in small size pond aquaculture pond
Hydrostatic cultivation is carried out, in breeding process by the way of micro- aeration, the cultivation density 800-1000 tails of long Qi Wen Minnow prelarvas/cube
Rice；Shading treatment is carried out above small size pond aquaculture pond,
When long Qi Wen Minnow prelarvas grow to 5-6 age in days of age in days, start to feed a small amount of wheel animalcule into small size pond aquaculture pond（It feeds
Amount is that wheel animalcule density is 0.1/milliliter in water body）, feed daily primary（Morning 8:30）, start after feeding wheel animalcule, it is daily right
Small size pond aquaculture pond is once removed contamination；
Step 2：Postlarva is cultivated：The long Qi Wen Minnow prelarvas cultivated to step 1 in small size pond aquaculture pond continue to cultivate,
Until its fin ray basically forms, the inflow of small size pond aquaculture pond is 0.3-0.5 cubes m/h, using micro- in breeding process
The mode of aeration, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow fries；Shading is carried out above small size pond aquaculture pond
Processing,
To the long Qi Wen Minnow prelarvas that the age of a fish is -16 age in days of 7 age in days, wheel animalcule is fed daily 2 times（Morning 8:30 and at night 7：00
It respectively feeds primary）, feeding volume is that wheel animalcule density is 0.5/milliliter in water body, is carried out daily to small size pond aquaculture pond primary clear
Dirt,
To the long Qi Wen Minnow prelarvas that the age of a fish is -23 age in days of 17 age in days, stopping feeds wheel animalcule, starts to feed hand fit's feeding
Material, feeds artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, small size pond is supported after feeding every time
It grows pond to remove contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
Step 3：Postlarva is cultivated：Long Qi Wen Minnow prelarvas are continued to cultivate in small size pond aquaculture pond, until its squama has been developed
At the inflow of small size pond aquaculture pond is 0.8-1 cubes m/h, and in breeding process by the way of micro- aeration, long fin kisses Minnow
Cultivation density 300-600 tails/cubic meter of postlarva；Shading treatment is carried out above small size pond aquaculture pond,
Feed artifical compound feed 2 times daily（Morning 8:30 and at night 7：00 respectively feeds once）, to small after feeding every time
Aquifer cultivation pond is removed contamination in time, and changes the water that weight percent in small size pond aquaculture pond is 60%-80%,
In above-mentioned steps 1-3,
It is every long Qi Wen Minnow fries in small size pond aquaculture pond to be turned in 7-10 days after long Qi Wen Minnow fries opening food
Pond is handled, and is carried out disinfection to small size pond aquaculture pond before, dried processing；
Artifical compound feed is that allicin and chitosan are added into mixed feed, and water is used in combination to be uniformly mixed shape after drying is done
At artifical compound feed, the addition of allicin is the 2% of mixed feed weight；The addition of chitosan is mixed feed weight
The 1.5% of amount；
Mixed feed rises the sub- feed of sturgeon private particle of rope fish feed research center production using Shandong and juvenile fish is used
Mixed feed S1.
It takes 3-5 tail length Qi Wen Minnow fries at random in small size pond aquaculture pond daily, observes the whether parasitic small melonworm of its body surface,
Once it was found that fish body body surface has small particles, dipping is taken to treat immediately.
Dipping treatment method be：
A, when finding that long Qi Wen Minnow fries break out ich, there is that the long Qi Wen Minnow's with small particles is small to cultivation immediately
It splashes in aquifer cultivation pond methylene blue, so that the methylene blue concentration in its water body is reached 0.5-2ppm and liquid for medicinal bath is made, make length
Fin kiss Minnow impregnates 3-6 hours in liquid for medicinal bath, and the inflow in small aquifer cultivation pond is 0 cube m/h in soaking process；
B, the water inlet pipe of small size pond aquaculture pond is opened after the completion of impregnating, inflow is 0.3-1 cubes m/h, makes long fin
Wen Minnow impregnate 11 hours again in water；
C, all long Qi Wen Minnow of above-mentioned small size pond aquaculture pond are carried out turning pond processing；
After carrying out first time dipping, dipping treatment being carried out within every two days again, stops feeding during dipping, it is small to turn behind pond 10
When interior feed artifical compound feed used in a step 2；
Every 6 days are a dipping treatment cycle, and treatment (need to usually treat three until small particles with long Qi Wen Minnow disappears
A dipping treatment cycle), then the long Qi Wen Minnow in small size pond aquaculture pond are cultivated according to age of a fish selection step 1 or 2 or 3.
In step 1-3, small size pond aquaculture pond is that cross section is circular aquaculture pond, a diameter of 1 meter, cultivates long Qi Wen Minnow fishes
Depth of water when seedling is 0.5 meter.
In step 1-3, micro- aeration is carried out using the gentle stone of oxygen increasing pump.
Claims (5)
1. a kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates, it is characterised in that this approach includes the following steps：
Step 1：Prelarva is cultivated：The long Qi Wen Minnow prelarvas that the age of a fish is -6 age in days of 1 age in days are carried out in small size pond aquaculture pond
Hydrostatic cultivates, in breeding process by the way of micro- aeration, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow prelarvas；
Shading treatment is being carried out above small size pond aquaculture pond,
When long Qi Wen Minnow prelarvas grow to 5-6 age in days of age in days, starts to feed a small amount of wheel animalcule into small size pond aquaculture pond, feed daily
Once, start after feeding wheel animalcule, once removed contamination to small size pond aquaculture pond daily；
Step 2：Postlarva is cultivated：The long Qi Wen Minnow prelarvas cultivated to step 1 in small size pond aquaculture pond continue to cultivate, until
Its fin ray basically forms, and the inflow of small size pond aquaculture pond is 0.3-0.5 cubes m/h, and micro- aeration is used in breeding process
Mode, cultivation density 800-1000 tails/cubic meter of long Qi Wen Minnow fries；It is carried out at shading above small size pond aquaculture pond
Reason,
To the long Qi Wen Minnow prelarvas that the age of a fish is -16 age in days of 7 age in days, wheel animalcule is fed daily 2 times, single feeding volume is wheel animalcule in water body
Density is 0.5/milliliter, is once removed contamination to small size pond aquaculture pond daily,
To the long Qi Wen Minnow prelarvas that the age of a fish is -23 age in days of 17 age in days, stopping feeds wheel animalcule, starts to feed artifical compound feed, often
Day feeds artifical compound feed 2 times, removes contamination in time to small size pond aquaculture pond after feeding every time, and changes weight in small size pond aquaculture pond
Measure the water that percentage is 60%-80%；
Step 3：Postlarva is cultivated：Long Qi Wen Minnow prelarvas are continued to cultivate in small size pond aquaculture pond, until the development of its squama is completed, it is small
The inflow in aquifer cultivation pond is 0.8-1 cubes m/h, and in breeding process by the way of micro- aeration, long fin kisses Minnow postlarvas
Cultivation density 300-600 tails/cubic meter；Shading treatment is carried out above small size pond aquaculture pond,
It feeds artifical compound feed 2 times daily, removes contamination in time to small size pond aquaculture pond after feeding every time, and change small size pond cultivation
Weight percent is the water of 60%-80% in pond；
In above-mentioned steps 1- steps 3,
After long fin kisses Minnow fry initial feedings, the long fin kiss Minnow fries in small size pond aquaculture pond are carried out turning Chi Chu per 7-10 days
Reason, and carry out disinfection to small size pond aquaculture pond before, dry processing；
Artifical compound feed is that allicin and chitosan are added into mixed feed, is formed after being used in combination the uniformly mixed drying of water dry
Artifical compound feed, the addition of allicin are the 1-3% of mixed feed weight, and the addition of chitosan is mixed feed weight
0.5-2%,
It takes 3-5 tail length Qi Wen Minnow fries at random in small size pond aquaculture pond daily, observes the whether parasitic small melonworm of its body surface, once
It was found that fish body body surface has small particles, dipping is taken to treat immediately.
2. a kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates according to claim 1, it is characterised in that：
Dipping treatment method be：
A, when finding that long Qi Wen Minnow fries break out ich, there is the small size pond of the long Qi Wen Minnow with small particles to cultivation immediately
It splashes in aquaculture pond methylene blue, so that the methylene blue concentration in its water body is reached 0.5-2ppm and liquid for medicinal bath is made, long fin is made to kiss
Minnow impregnates 3-6 hours in liquid for medicinal bath, and the inflow in small aquifer cultivation pond is 0 cube m/h in soaking process；
B, the water inlet pipe that small size pond aquaculture pond is opened after the completion of impregnating makes long Qi Wen Minnow fries impregnate 10-12 again in water small
When；
C, all long Qi Wen Minnow of above-mentioned small size pond aquaculture pond are carried out turning pond processing；
After carrying out first time dipping, dipping treatment is carried out within every two days again, stops feeding during dipping, is turned behind pond in 10 hours
Feed artifical compound feed used in a step 2；
Every 6 days are a dipping treatment cycle, and treatment is until small particles with long Qi Wen Minnow disappears.
3. a kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates according to claim 1, it is characterised in that：
In step 1- steps 3, small size pond aquaculture pond is that cross section is circular aquaculture pond, a diameter of 1 meter, when cultivating long Qi Wen Minnow fries
The depth of water be 0.5 meter.
4. a kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates according to claim 1, it is characterised in that：
In step 1- steps 3, micro- aeration is carried out using the gentle stone of oxygen increasing pump.
5. a kind of intensive culture method improving long Qi Wen Minnow seed rearing survival rates according to claim 1, it is characterised in that：
In artifical compound feed, the addition of allicin is the 1% of mixed feed weight, and the addition of chitosan is mixed feed weight
0.5%.
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| CN103004668A (en) * | 2013-01-04 | 2013-04-03 | 莱州明波水产有限公司 | Plectropomus leopardus fry north industrialized high-density circulation water rearing method |
| CN103202257A (en) * | 2013-05-03 | 2013-07-17 | 泉州昌盛渔业有限公司 | Total artificial batch breeding method of striped bass |
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