CN101984792B - Method for cultivating industrialized octopus fries - Google Patents
Method for cultivating industrialized octopus fries Download PDFInfo
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- CN101984792B CN101984792B CN2010105192777A CN201010519277A CN101984792B CN 101984792 B CN101984792 B CN 101984792B CN 2010105192777 A CN2010105192777 A CN 2010105192777A CN 201010519277 A CN201010519277 A CN 201010519277A CN 101984792 B CN101984792 B CN 101984792B
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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
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- 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
The invention discloses a method for cultivating industrialized octopus fries. The method comprises the steps of: carrying out reinforced cultivation on parent fishes, hatching to lay eggs, hatching germ cells, cultivating larva, cultivating adults and the like. The method can stabilize and improve the physical quality of the parent fishes, reduces internecine phenomenon, can effectively reduce the diseases of the germ cells and improves the hatching rate; and due to the adoption of an industrialized octopus egg attaching device for the germ cells of the octopus, which can be conveniently moved, the aim of sterilizing and killing insects through a medicated bath with low cost and high concentration can be fulfilled, and the encroach of parasites on octopus eggs with a relatively long hatching period can be greatly reduced. Therefore, the method is applied to the large-scale hatching of the octopus eggs. In the method, a hidden object can reduce the energy loss caused by the floating of the octopus larva and increase the growing speed of the octopus larva. The method is a method for cultivating the industrialized octopus fries, which can obtain industrial value, has relatively high latching rate and can conveniently carry out sterilization and disinfection operation in a fry cultivating process with low cost.
Description
Technical field
The present invention relates to a kind of aquaculture seedling growing process, relate in particular to a kind of octopus batch production offspring seed cultivation method.
Background technology
The octopus major part is a shallow sea property kind, and minority deep-sea property kind is also arranged.The octopus inner casing is degenerated, and little shell pin on both sides, back residual two is not only had a photophore.1 pair of oviduct of female body tool.Main battalion dwells at the end and lives in the seabed and creep, and also can rely on of short duration the parade in the bottom seawater of reaction of funnel water spray.The reproduction and the overwintering migration habit that have short square to leave are food with lobster, shrimp aunt, crab class, shellfish and benthic fishes.Self is the hunting object of shark, conger pile etc. often.Different types of egg laying amount of octopus differs very big, from several thousand surplus ten ten thousand do not wait, ovum is ripe in batches, output in batches, the ovum shape such as the rice grain of output, Chang Chengsui connects together.The object that octopus is fished for as the coastal waters tradition; Because otter-trawl is fished for bosom ovum parent in its trip to offshore in a large number in reproduction period, made resource receive very big infringement, to the nineties in 20th century; Fishing operation in coastal each the main octopus fishing ground of China obviously reduces, and its stock number falls sharply.The enforcement that the octopus manual work is grown seedlings on a large scale, to increasing the mariculture new varieties, it is significant to increase economic efficiency.
Summary of the invention
The problem that the present invention is directed to above-mentioned technical barrier and will solve just provides a kind of can obtaining to be had industrialization value and has the octopus batch production offspring seed cultivation method than high hatchability, and in seedling raising process, can easily carry out sterilizing operation cheaply.
Octopus batch production offspring seed cultivation method, it has following steps:
1. parent population reinforced cultivating: in spawning pond, place things concealed, choose sexually matured octopus and support temporarily at spawning pond as parent population, the new iced trash fish of throwing something and feeding, the crab that lives were with reinforced cultivating at least 1 month; Parent population is separately cultured at different storage pond, holding ponds according to male and female; The ratio of things concealed and parent population is 1: 1;
2. the hatching lay eggs: step parent population was 1. raised together with the pond to 1: 1 than 2: 1 by male and female, and the ratio of things concealed and parent population is 1: 1, and the new iced trash fish that continues to throw something and feed, work crab; Day quantity of exchanged water is 100% to 200%, with normal aeration quantity inflation, and is aided with the low light level;
3. incubating oosperm: the fertilized egg of in the things concealed of step spawning pond 2., collecting octopus; Fertilized egg is placed on the octopus batch production egg apparatus; And octopus batch production egg apparatus is hung on the hatchery hatches, keeping 17 ℃ to 20 ℃ of water temperature range, a day quantity of exchanged water is 200% to 300%; Salinity range 15 ‰ to 29 ‰, pH scope 7.1 to 8.2; Every operation that will carry out disinfection with the octopus batch production egg apparatus taking-up hatchery of the fertilized egg of octopus at a distance from 3-7 days, and simultaneously water and routine disinfection are changed in the hatchery;
4. larval culture: the octopus young that 3. hatches in step moves to nursery pond, and the nursery pond bottom is provided with the porous brick through sterilization;
5. adult is cultured: will pass through the octopus young that 4. step cultivated 30 days to 60 days and shift out nursery pond and carry out routine raising.
For further prioritization scheme, the technological means of taking also comprises:
Step 3. in, sterilizing operation is hung in the little water body environment for taking out with the octopus batch production egg apparatus of the fertilized egg of octopus and concentrate, and retracts the hatchery after sterilizing 35 seconds to 60 seconds with the PVP-I of 30mg/L to 45mg/L.
Step 3. in, when fertilized egg had more than 75% hatching, every day, the ovum frame 3 that attaches with octopus batch production egg apparatus rose step by step.
Octopus batch production egg apparatus has support column; The upper end of support column is connected with hook; The support column side is shaped at least 2 snap rings; Support column is arranged with attaches the ovum frame; Attaching the ovum frame can be clamped on the snap ring; Attach the ovum frame and have radial cantilever; Be shaped on the positioning convex column of evagination on the cantilever, can hang cord.
The hatching water of incubating oosperm step is the sand filtration clean sea water, need put into the EDTA of 1 mg/litre, with the chelating heavy metal.
Compared with prior art, the invention has the advantages that: parent population is separately cultured at different storage pond, holding ponds according to male and female; The ratio of things concealed and parent population is 1: 1; Support the process as a domestication temporarily, can stabilize and increase the physique of parent population, it is residual mutually to divide the foster temporarily things concealed parent population ratio with 1: 1 in pond to reduce, thereby reduces the loss of parent population.
Suitable parent population female-male proportion utilizes limited parent population resource to greatest extent.
Adopt said temperature, salinity and pH scope; Can effectively reduce the disease of fertilized egg; Improve incubation rate, and adopt the octopus batch production egg apparatus of the fertilized egg of octopus to move easily, thereby the low cost of making, high concentration dipping sterilization and disinsection are achieved; Can reduce parasite greatly to the relatively infringement of long octopus ovum of incubation cycle, and be applicable to the hatching of extensive octopus ovum.
Adopt things concealed can reduce the energy loss that the octopus young is caused owing to moving about, accelerate its growth rate.
Therefore, the present invention be a kind of can obtain have industrialization value and also have than high hatchability octopus batch production offspring seed cultivation method, and in seedling raising process, can easily carry out cheaply the sterilizing operation.
Description of drawings
Fig. 1 adopts octopus batch production egg apparatus sectional structure sketch map for the embodiment of the invention;
Fig. 2 attaches ovum frame perspective view for the embodiment of the invention adopts octopus batch production egg apparatus;
Fig. 3 is an embodiment of the invention incubating oosperm sketch map.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Drawing reference numeral explanation: support column 1, snap ring 11, helical groove 12, connector 13, hook 2, connector 21, attach ovum frame 3, cantilever 31, positioning convex column 32, buckle 33, reinforcement 34.
Embodiment:
Octopus batch production offspring seed cultivation method, it has following steps:
1. parent population reinforced cultivating: in spawning pond, place things concealed, choose sexually matured octopus and support temporarily at spawning pond as parent population, the new iced trash fish of throwing something and feeding, the crab that lives were with reinforced cultivating 40 days; Parent population separates at different storage pond, holding ponds according to male and female to be cultured, and promptly foster male temporarily in a spawning pond, the interior breed of another spawning pond is female, in order to avoid fragmentary mating is on-the-spot, is unfavorable for the unified management of laying eggs in batches; The ratio of things concealed and parent population is 1: 1, can prevent the mutual residual phenomenon between the octopus; The structure of things concealed is seen Chinese invention patent " a kind of factory cultivation concealed device for octopus ", the patent No. 200810060829.5.
2. hatching is laid eggs: step parent population is 1. raised together with the pond than 1: 1 by male and female, in other words the male and female octopus in two above-mentioned spawning ponds is raised together with.The ratio of things concealed and parent population is 1: 1, and the new iced trash fish that continues to throw something and feed, crab lives; Day quantity of exchanged water is 100%, with normal aeration quantity inflation, and is aided with the low light level, generally is controlled at below the 1500Lux the preferred 1000Lux of present embodiment;
3. incubating oosperm: in the things concealed of step spawning pond 2., collect the fertilized egg of octopus, fertilized egg is placed on the octopus batch production egg apparatus, and octopus batch production egg apparatus is hung on the hatchery hatches; Keep 17 ℃ to 20 ℃ of water temperature range; Day quantity of exchanged water is 200%, salinity range 15 ‰ to 29 ‰, present embodiment preferred 20 ‰; PH scope 7.1 to 8.2, present embodiment is preferably about 7.3; Every operation that will carry out disinfection with the octopus batch production egg apparatus taking-up hatchery of the fertilized egg of octopus at a distance from 5 days, and simultaneously water and routine disinfection are changed in the hatchery; Sterilizing operation is hung in the little water body environment for taking out with the octopus batch production egg apparatus of the fertilized egg of octopus and concentrate, and retracts the hatchery after sterilizing 40 seconds with the PVP-I of 40mg/L.Little water body environment is generally conventional plastic cistern.When fertilized egg had more than 75% hatching, every day, the ovum frame 3 that attaches with octopus batch production egg apparatus rose along snap ring 11 step by step.Its effect is to utilize the fluctuation of water that the egg membrane of octopus ovum is further destroyed, and quickens hatching, and the young that minimizing hatches is out collected with convenient attached near the discarded ovum string.The hatching water should be the sand filtration clean sea water, need put into the EDTA of 1 mg/litre, with the chelating heavy metal.
4. larval culture: the octopus young that 3. hatches in step moves to nursery pond, and the nursery pond bottom is provided with the porous brick through sterilization; Because squab octopus young individuality is very little, thereby adopts porous brick, its aperture is less, and it is hidden to be fit to the octopus young.Larval culture is to adopt little inflation.Breeding density during larval culture is controlled at 200 tail/rice
3, different with cuttlefish, the octopus young is bad to move about; Thereby the octopus batch production egg apparatus of this moment also should hang the breath of the net sheet confession octopus young; And the net sheet of suspension should contact with at the bottom of the pond, cooperates porous brick, makes that the water body at the middle and upper levels in the nursery pond also can obtain utilizing.
The young that has just hatched is about about 2 centimetres, and its outward appearance is almost completely consistent with adult.In order to accelerate the growth of the octopus young, cultivate water temperature and can adopt the method for gradient increased temperature progressively to be warming up to 24 ℃.
The hatching back began the open-mouthed bait of throwing something and feeding on the 3rd.The open-mouthed bait of the octopus young is a compound formulation, promptly contains to strengthen wheel animalcule and strengthen artemia nauplii.Strengthening wheel animalcule is 90: 10 with strengthening artemia nauplii according to the number ratio, and then, the ratio of strengthening wheel animalcule every day reduces 10 day by day, strengthens the artemia nauplii ratio accordingly and increases by 10 day by day, up to all being the reinforcement artemia nauplii.
Strengthening wheel animalcule uses with nutrition fortifier reinforcement back before throwing something and feeding with the reinforcement artemia nauplii.Nutrition fortifier is chlorella or yeast.Cultural method is following: with about 50 cubic metres ponds as the bait pond, the clear pond of bleaching powder, aeration was cultivated preceding preparation in 3 days.In wheel animalcule or halogen worm culture pond, inoculate chlorella earlier, when reaching 1,000 ten thousand cells/ml, inoculating rotifer, inoculum density are about 30 cells/ml.After 3-5 days, along with the breeding of wheel animalcule, the part wheel animalcule of can gathering every day.Gathering has together sucked the filtration string bag with seawater together with wheel animalcule with siphon pipe, and the interpolation fresh seawater is supplemented to former water level in the bait pond.Throw something and feed as required to the octopus young as bait according to aforementioned proportion.It is too much that the bait pond of having added fresh seawater can wheel animalcule occur, and cause the not enough phenomenon of chlorella quantity.This moment, available yeast was thrown something and fed as replenishing.After the results, passed through approximately 10-20 days repeatedly, water quality runs down, and residual bait, assorted algae deposition are arranged at the bottom of the pond, and the wheel animalcule reproduction rate descends, and at this moment wheel animalcule is all gathered, and changes the pond and cultivates again.
Long after 10cm when the octopus young, change and throw fresh and alive small fish and shrimp.
5. adult is cultured: will pass through the octopus young that 4. step cultivated 30 days to 60 days and shift out nursery pond and carry out routine raising.The agreeable to the taste live fish and shrimp of throwing something and feeding.
Although combined preferred embodiment the present invention has been described; Right its is not in order to limit the present invention; Any those skilled in the art; Under the situation that does not break away from the spirit and scope of the present invention, can implement the displacement and the modification of various changes, coordinate to the theme of listing here, so protection scope of the present invention is as the criterion when looking the scope thereof that is proposed.
Claims (4)
1. octopus batch production offspring seed cultivation method is characterized in that having following steps:
1. parent population reinforced cultivating: in spawning pond, place things concealed, choose sexually matured octopus and support temporarily at described spawning pond as parent population, the new iced trash fish of throwing something and feeding, the crab that lives were with reinforced cultivating at least 1 month; Described parent population is separately cultured at different storage pond, holding ponds according to male and female; The ratio of described things concealed and described parent population is 1: 1;
2. the hatching lay eggs: step parent population was 1. raised together with the pond to 1: 1 than 2: 1 by male and female, and the ratio of described things concealed and described parent population is 1: 1, and the new iced trash fish that continues to throw something and feed, work crab; Day quantity of exchanged water is 100% to 200%, with normal aeration quantity inflation, and is aided with the low light level;
3. incubating oosperm: the fertilized egg of in the things concealed of step spawning pond 2., collecting octopus; Described fertilized egg is placed on the octopus batch production egg apparatus; And described octopus batch production egg apparatus is hung on the hatchery hatches, keeping 17 ℃ to 20 ℃ of water temperature range, a day quantity of exchanged water is 200% to 300%; Salinity range 15 ‰ to 29 ‰, pH scope 7.1 to 8.2; Every at a distance from 3-7 days will be described with the operation that carries out disinfection of the octopus batch production egg apparatus taking-up hatchery of the fertilized egg of octopus, and simultaneously water and routine disinfection are changed in the hatchery;
4. larval culture: the octopus young that 3. hatches in step moves to nursery pond, and described nursery pond bottom is provided with the porous brick through sterilization;
5. adult is cultured: will pass through the octopus young that 4. step cultivated 30 days to 60 days and shift out nursery pond and carry out routine raising;
Described octopus batch production egg apparatus has support column (1); The upper end of described support column (1) is connected with hook (2); Described support column (1) side is shaped at least 2 snap rings (11); Described support column (1) is arranged with attaches ovum frame (3); Described attach ovum frame (3) and can be clamped on the snap ring (11); Described attach ovum frame (3) and have radial cantilever (31); Be shaped on the positioning convex column (32) of evagination on the described cantilever (31), can hang cord.
2. octopus batch production offspring seed cultivation method according to claim 1; It is characterized in that: step 3. in; Sterilizing operation is hung in the little water body environment for the described octopus batch production egg apparatus of having the fertilized egg of octopus is taken out and concentrates, and retracts the hatchery with the PVP-I sterilization of 30mg/L to 45mg/L after 35 seconds to 60 seconds.
3. octopus batch production offspring seed cultivation method according to claim 2 is characterized in that: step 3. in, when fertilized egg had more than 75% hatching, every day, the ovum frame (3) that attaches with described octopus batch production egg apparatus rose step by step.
4. octopus batch production offspring seed cultivation method according to claim 1 is characterized in that: the hatching water of incubating oosperm step is the sand filtration clean sea water, need put into the EDTA of 1 mg/litre, with the chelating heavy metal.
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| CN102550460B (en) * | 2012-02-15 | 2013-07-31 | 山东省海洋水产研究所 | Artificial propagation method of Octopus ocellatus in outdoor earth pond |
| CN105613360B (en) * | 2014-11-04 | 2018-10-26 | 中国科学院海洋研究所 | A kind of oopod acquisition of Rapana venosa industrial seedling rearing and hatching apparatus and its application method |
| CN104756922B (en) * | 2015-04-28 | 2015-10-28 | 中国海洋大学 | A kind of intensive overwintering culture method of long octopus |
| CN109644898A (en) * | 2019-02-03 | 2019-04-19 | 宁德市南海水产科技有限公司 | A kind of complete artificial method for culturing seedlings of long octopus scale |
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| CN101317552A (en) * | 2007-10-15 | 2008-12-10 | 浙江海洋学院 | Industrial cultivation method for one-year double-cropping sepiella maindroni |
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| CN101317552A (en) * | 2007-10-15 | 2008-12-10 | 浙江海洋学院 | Industrial cultivation method for one-year double-cropping sepiella maindroni |
Non-Patent Citations (4)
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| 宫春光等.长蛸的生物学特性及人工繁育技术.《科学养鱼》.2009,(第11期),第22-23页. * |
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