CN103392640B - Factory breeding method for Octopus variabilis - Google Patents
Factory breeding method for Octopus variabilis Download PDFInfo
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- CN103392640B CN103392640B CN201310301628.0A CN201310301628A CN103392640B CN 103392640 B CN103392640 B CN 103392640B CN 201310301628 A CN201310301628 A CN 201310301628A CN 103392640 B CN103392640 B CN 103392640B
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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
Abstract
The invention discloses a factory breeding method for Octopus variabilis. According to the method, females of Octopus are removed from a polyculture pond after parents of Octopus mate, thus mutual injuring of males and females of Octopus is prevented and the quantity of fertilized eggs is guaranteed; the females of Octopus and the fertilized eggs are separately cultured, thus the effect of the parents of Octopus upon the water environment is less and hatching rate influenced by frightening is avoided for the parents of Octopus. In addition, the young Octopus is traditionally considered to be fed only with opossum shrimps, adult Artemia, Monocorophium acherusicum and the like as initial feed, while, through long-term observations and experiments, the inventor finds that the young Octopus can also be initially fed with miscellaneous juvenile crabs lower than 0.1g in weight, and accordingly survival rate of the young Octopus can be increased. Therefore, the method having the advantages is especially suitable for popularization and application to the field and has very promising market prospect.
Description
Technical field
The present invention relates to the batch production mating system of a kind of mating system of aquatic products, particularly a kind of long octopus.
Background technology
Long octopus is commonly called as again octopus, octopus, its meat flavour is delicious, can eat raw, also can shine into dried octopus, there is higher edibility, and long octopus can also be used as medicine, there is the effect of benefiting qi and nourishing blood, convergence myogenic, the invigorant of women's qi-restoratives in postpartum, lactogenesis, lactagogue, one of bait that is also fishery with duration octopus and other little octopus.Just because of long octopus has above-mentioned economic worth, therefore aquatic products propagate field artificially in also start long octopus to breed, but because long octopus has the mutual residual habit of post-coitum, so egg laying amount can be affected; The method that mainly adopts female octopus to protect ovum with the hatching of duration octopus, although the method can guarantee higher incubation rate, the whole time is longer, and in the process of hatching, female octopus can because the factor impacts such as scaring, illumination hatch.Therefore need now a kind of hatching m of the long octopus that can address the above problem.
Summary of the invention
The present invention is in order to solve the existing above-mentioned deficiency of prior art, proposes a kind of can stablizing and obtains long octopus fertilized egg, and brooding time is short, the long octopus batch production mating system that incubation rate is higher.
Technical solution of the present invention is: a kind of long octopus batch production mating system, is characterized in that: described mating system comprises the hatching of the artificial ripening of close octopus, ovum, three steps of the cultivation of young octopus, and above-mentioned three steps are carried out respectively in accordance with the following methods:
The artificial ripening of parent's octopus: water temperature below 14 ℃ time, by close octopus according to female: the ratio of male > 1 is raised together with in raising together with culturing pool, and cultivation density is 3/m
2, and in raising together with culturing pool, place veil, and change water every day once, change water 1/2nd at every turn; When water temperature reaches 14 ℃, strengthen the nutrition of close octopus, and strengthen daily ration, feeding quantity to guarantee sufficient bait; When water temperature reaches 20 ℃, female octopus is shifted out to independent raising from raise together with culturing pool, between feeding period, guarantee equally separately sufficient bait, and being fixedly installed spawning base in female octopus culturing pool, spawning base is length 30-60cm, the cylinder of diameter 10-15cm, surface is with a hard net that circle is dismountable, hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees that intensity of illumination is less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: after female octopus is laid eggs, hard net is taken out from cylinder, in the process of taking out ovum, remain that ovum is the state of hanging from above, net sheet with ovum is launched to be fixed in pond to hatch, and allow net sheet with parallel at the bottom of pond, between the incubation period, constantly to micro-inflation in pond, aeration quantity is 3-5m
2/ gas stone, the water temperature of hatching remains on 22-25 ℃, salinity range 28-32%, remains in hatching process that ovum is the state of hanging from above, and shading after eyespot appears in ovum, guarantee that intensity of illumination is less than 1000lux, change water 1/2nd every day, the water body that enters pond filters with 500 object yarn thin,tough silk, switches the water temperature variation of water front and back and is no more than 0.5 ℃, observe every day, rejects the fertilized egg that reddens or expand;
The cultivation of children's octopus: the young octopus hatching is moved on to and cultivated in pond, place veil in cultivating pond, and guarantee to change water 1/2nd every day for sufficient bait, keep water temperature at 20-24 ℃.
In the artificial ripening step of described close octopus, select the hollow tubular things such as hollow brick, pipe of cement as veil.
In the artificial ripening step of described close octopus, using and mix crab and Ruditapes philippinarum as bait.
In the incubation step of described young octopus, select shell as veil.
In the incubation step of described young octopus, select assorted crab seedling below 0.1g as bait.
Compared with the existing technology, tool has the following advantages in the present invention:
In traditional breeding process of long octopus, because long octopus has mutually residual habit of post-coitum, therefore have more female octopus and come to harm even deadly, cause the quantity of fertilized egg to reduce; Simultaneously when long octopus is hatched, the mode that mainly adopts female octopus to protect ovum, the time of this mode is longer, and if the impact of the key element such as female octopus during incubation gets a fright, illumination, also can directly have influence on the incubation rate of fertilized egg.For the problems referred to above, the invention discloses a kind of batch production mating system of new long octopus, this method is about to female octopus at close octopus post-coitum and shifts out from raise together with culturing pool, prevents that male octopus and female octopus from carrying out residual mutually, has guaranteed the quantity of fertilized egg; This method is also separated cultivation by female octopus and fertilized egg simultaneously, has reduced the impact of close octopus on water environment, has avoided close octopus due to the frightened incubation rate that affects simultaneously.Think traditionally that young octopus can only use oppossum shrimp, halogen worm, naked thin roach etc. are as open-mouthed bait greatly simultaneously, but applicant finds young octopus and also can open food with the assorted crab seedling below 0.1g, and can improve thus the survival rate of young octopus after long observation and experiment.Therefore this method has possessed multiple advantage, is particularly suitable for applying in the art, and its market prospects are very wide.
Embodiment
The specific embodiment of the present invention will be described below:
A long octopus batch production mating system, it comprises the artificial ripening of close octopus, three steps of the cultivation of the hatching of ovum, young octopus, and above-mentioned three steps are carried out respectively in accordance with the following methods:
The artificial ripening of parent's octopus: water temperature below 14 ℃ time, by close octopus according to female: the ratio of male > 1 is raised together with in raising together with culturing pool, and cultivation density is 3/m
2, and in raising together with culturing pool, place veil, veil is selected the hollow tubular articles such as hollow brick, pipe of cement; Change water every day once, change water 1/2nd at every turn; When water temperature reaches 14 ℃, strengthen the nutrition of close octopus, now throw something and feed assorted crab and Ruditapes philippinarum be as the bait of close octopus, and strengthen daily ration, feeding quantity to guarantee sufficient bait; When water temperature reaches 20 ℃, female octopus is shifted out to independent raising from raise together with culturing pool, between feeding period, guaranteeing equally separately sufficient bait, and in female octopus culturing pool, be fixedly installed spawning base and lay eggs for female octopus, spawning base is length 30-60cm, the cylinder of diameter 10-15cm, surface is with a hard net that circle is dismountable, hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees that intensity of illumination is less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: after female octopus is laid eggs, hard net is taken out from cylinder, in the process of taking out, remain that ovum is the state of hanging from above, (also can wait fertilized egg to occur getting ovum after eyespot), net sheet with ovum is launched and is fixed in pond and hatch, allow net sheet with parallel at the bottom of pond, between the incubation period, constantly to micro-inflation in pond, aeration quantity is 3-5m
2/ gas stone, in hatching process, water temperature remains on 22-25 ℃, salinity range 28-32%, and shading after eyespot appears in ovum, guarantee that intensity of illumination is less than 1000lux, change water 1/2nd every day, and the water body changing to need to filter with 500 object yarn thin,tough silk, to change water front and back water temperature and change and can not surpass 0.5 ℃, observe every day, the fertilized egg that rejecting reddens or expands, in order to avoid have influence on normal fertilized egg; In the overall process of hatching, need to keep fertilized egg to be the state of hanging from above;
The cultivation of children's octopus: be 1239.94 ℃ by the incubating oosperm accumulated temperature of long octopus, the biological zero point of its embryonic development is 9.17 ℃, under the condition of 24 ℃ of water temperatures, the time of incubating oosperm is about 80 days, just the long octopus weight of membrane is about 0.3g left and right, the young octopus hatching is moved on to and cultivated in pond, in cultivating pond, place shell as veil, and select assorted crab seedling below enough 0.1g as the bait of young octopus, change water 1/2nd every day, keep water temperature at 20 ℃; After cultivating one month according to this step, the body weight of long octopus seedling can reach 0.85g left and right.
Claims (5)
1. a long octopus batch production mating system, is characterized in that: described mating system comprises the hatching of the artificial ripening of close octopus, ovum, three steps of the cultivation of young octopus, and above-mentioned three steps are carried out respectively in accordance with the following methods:
The artificial ripening of parent's octopus: water temperature below 14 ℃ time, by close octopus according to female: the ratio of male > 1 is raised together with in raising together with culturing pool, and cultivation density is 3/m
2, and in raising together with culturing pool, place veil, and change water every day once, change water 1/2nd at every turn; When water temperature reaches 14 ℃, strengthen the nutrition of close octopus, and strengthen daily ration, feeding quantity to guarantee sufficient bait; When water temperature reaches 20 ℃, female octopus is shifted out to independent raising from raise together with culturing pool, between feeding period, guarantee equally separately sufficient bait, and being fixedly installed spawning base in female octopus culturing pool, spawning base is length 30-60cm, the cylinder of diameter 10-15cm, surface is with a hard net that circle is dismountable, hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees that intensity of illumination is less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: after female octopus is laid eggs, hard net is taken out from cylinder, in the process of taking out ovum, remain that ovum is the state of hanging from above, net sheet with ovum is launched to be fixed in pond to hatch, and allow net sheet with parallel at the bottom of pond, between the incubation period, constantly to micro-inflation in pond, aeration quantity is 3-5m
2/ gas stone, the water temperature of hatching remains on 22-25 ℃, salinity range 28-32%, remains in hatching process that ovum is the state of hanging from above, and shading after eyespot appears in ovum, guarantee that intensity of illumination is less than 1000lux, change water 1/2nd every day, the water body that enters pond filters with 500 object yarn thin,tough silk, switches the water temperature variation of water front and back and is no more than 0.5 ℃, observe every day, rejects the fertilized egg that reddens or expand;
The cultivation of children's octopus: the young octopus hatching is moved on to and cultivated in pond, place veil in cultivating pond, and guarantee to change water 1/2nd every day for sufficient bait, keep water temperature at 20-24 ℃.
2. long octopus batch production mating system according to claim 1, is characterized in that: in the artificial ripening step of described close octopus, select hollow tubular thing as veil.
3. long octopus batch production mating system according to claim 1, is characterized in that: in the artificial ripening step of described close octopus, using and mix crab and Ruditapes philippinarum as bait.
4. long octopus batch production mating system according to claim 1, is characterized in that: in the incubation step of described young octopus, select shell as veil.
5. long octopus batch production mating system according to claim 1, is characterized in that: in the incubation step of described young octopus, select assorted crab seedling below 0.1g as bait.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103718995B (en) * | 2013-11-27 | 2016-01-06 | 安徽省郎溪县水产管理站 | The artificial fecundation method of a kind of pseudorasbora parva |
| CN104054615B (en) * | 2014-07-10 | 2015-12-09 | 中国海洋大学 | A kind of long octopus fertilized egg adopts egg apparatus and application thereof |
| CN104839094B (en) * | 2015-04-22 | 2018-07-17 | 烟台市水产研究所 | A kind of true octopus larval culture method and apparatus |
| CN106417101B (en) * | 2016-09-30 | 2019-03-26 | 威海虹润海洋科技有限公司 | A kind of artificial breeding method of long octopus |
| CN108719139B (en) * | 2018-06-05 | 2020-09-15 | 中国海洋大学 | Octopus ocellatus generation industrial culture method |
| CN109984061B (en) * | 2019-04-01 | 2021-08-20 | 中国海洋大学 | Artificial incubation method for octopus fertilized eggs |
| CN111436385A (en) * | 2020-04-29 | 2020-07-24 | 中国海洋大学 | Method and device for unisexual culture of octopus variabilis |
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| CN101703034A (en) * | 2009-10-30 | 2010-05-12 | 中国海洋大学 | Three-dimensional seedling cultivating method of octopus variabilis |
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