CN103392640A - Factory breeding method for Octopus variabilis - Google Patents
Factory breeding method for Octopus variabilis Download PDFInfo
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- CN103392640A CN103392640A CN2013103016280A CN201310301628A CN103392640A CN 103392640 A CN103392640 A CN 103392640A CN 2013103016280 A CN2013103016280 A CN 2013103016280A CN 201310301628 A CN201310301628 A CN 201310301628A CN 103392640 A CN103392640 A CN 103392640A
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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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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, have higher edibility, and long octopus can also be used as medicine, have the effect of benefiting qi and nourishing blood, convergence myogenic, the invigorant of women's qi-restoratives in postpartum, lactogenesis, lactagogue, with one of duration octopus and other little octopus bait that is also fishery.Just because of long octopus has above-mentioned economic worth, therefore aquatic products propagate field artificially in also start long octopus is bred, but because long octopus has the mutual residual habit of post-coitum, so egg laying amount can be affected; With the method that the hatching of duration octopus mainly adopts female octopus to protect ovum, although the method can guarantee higher incubation rate, the whole time is longer, and in the process of hatching, female octopus can be because the factors such as scaring, illumination impact hatching.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 three steps of cultivation of the artificial ripening of close octopus, 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 ℃ the time, with close octopus according to female: the ratio of male＞1 is raised together with in raising together with culturing pool, cultivation density is 3/m
2, and place veil in raising together with culturing pool, 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 independent raising from raise together with culturing pool, guarantee equally separately sufficient bait between feeding period, 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, the hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees intensity of illumination less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: female octopus lay eggs complete after, the hard net is taken out from cylinder, remain that ovum is the state of hanging from above in the process of taking out ovum, net sheet with ovum is launched to be fixed in pond to hatch, and allow the net sheet with parallel at the bottom of pond, between the incubation period, constantly to little inflation in pond, aeration quantity is 3-5m
2/ gas stone, the water temperature of hatching remains on 22-25 ℃, salinity range 28-32%, remain 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 purpose yarn thin,tough silk, and before and after switching water, the water temperature variation 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 that will hatch moves on to be cultivated in pond, places veil in cultivating pond, and guarantees to change water 1/2nd every day for sufficient bait, keeps 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, use assorted 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 the following assorted crab seedling of 0.1g as bait.
The present invention compared with the existing technology, has following advantage:
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 elements 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 long octopus newly, 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 with female octopus and fertilized egg simultaneously, has reduced the impact of close octopus on water environment, has avoided simultaneously close octopus due to the frightened incubation rate that affects.Think traditionally that simultaneously young octopus can only use oppossum shrimp, halogen worm, naked thin roach etc. are as open-mouthed bait greatly, but the 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
Below the specific embodiment of the present invention will be described:
A kind of long octopus batch production mating system, it comprises three steps of cultivation of the artificial ripening of close octopus, 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 ℃ the time, with close octopus according to female: the ratio of male＞1 is raised together with in raising together with culturing pool, cultivation density is 3/m
2, and place veil in raising together with culturing pool, 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, throw something and feed this moment 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 independent raising from raise together with culturing pool, guaranteeing equally separately sufficient bait between feeding period, and be fixedly installed spawning base lay eggs for female octopus 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, the hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees intensity of illumination less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: female octopus lay eggs complete after, the hard net is taken out from cylinder, remain that ovum is the state of hanging from above in the process of taking out, (also can wait fertilized egg to occur getting ovum after eyespot), net sheet with ovum is launched and is fixed in pond hatch, allow the net sheet with parallel at the bottom of pond, between the incubation period, constantly to little 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 that changes to need to filter with 500 purpose yarn thin,tough silk, changes water front and back water temperature and changes and can not surpass 0.5 ℃, and 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: incubating oosperm accumulated temperature that will long octopus is 1239.94 ℃, the biological zero point of its embryonic development is 9.17 ℃, the time of incubating oosperm is about 80 days under the condition of 24 ℃ of water temperatures, just the long octopus weight of membrane is about the 0.3g left and right, the young octopus that hatches is moved on to and cultivates in pond, place shell as veil in cultivating pond, and select the bait of the following assorted crab seedling of enough 0.1g as 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 the 0.85g left and right.
Claims (5)
1. one kind long octopus batch production mating system, it is characterized in that: described mating system comprises three steps of cultivation of the artificial ripening of close octopus, 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 ℃ the time, with close octopus according to female: the ratio of male＞1 is raised together with in raising together with culturing pool, cultivation density is 3/m
2, and place veil in raising together with culturing pool, 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 independent raising from raise together with culturing pool, guarantee equally separately sufficient bait between feeding period, 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, the hole order is 2-3mm within it, female octopus culturing pool needs lucifuge, guarantees intensity of illumination less than 1500lux, and changes water 2/3rds every day;
The hatching of ovum: female octopus lay eggs complete after, the hard net is taken out from cylinder, remain that ovum is the state of hanging from above in the process of taking out ovum, net sheet with ovum is launched to be fixed in pond to hatch, and allow the net sheet with parallel at the bottom of pond, between the incubation period, constantly to little inflation in pond, aeration quantity is 3-5m
2/ gas stone, the water temperature of hatching remains on 22-25 ℃, salinity range 28-32%, remain 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 purpose yarn thin,tough silk, and before and after switching water, the water temperature variation 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 that will hatch moves on to be cultivated in pond, places veil in cultivating pond, and guarantees to change water 1/2nd every day for sufficient bait, keeps 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 the hollow tubular things such as hollow brick, pipe of cement 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, use assorted 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 the following assorted crab seedling of 0.1g as bait.
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Cited By (7)
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| CN103718995A (en) * | 2013-11-27 | 2014-04-16 | 安徽省郎溪县水产管理站 | Artificial propagation method of pseudorasbora parva |
| CN104054615A (en) * | 2014-07-10 | 2014-09-24 | 中国海洋大学 | Octopus minor oosperm collector and application thereof |
| CN104839094A (en) * | 2015-04-22 | 2015-08-19 | 烟台市水产研究所 | Method and device for breeding octopus ocellatus larvae |
| CN106417101A (en) * | 2016-09-30 | 2017-02-22 | 威海虹润海洋科技有限公司 | Artificial breeding method for Octopus variabilis |
| CN108719139A (en) * | 2018-06-05 | 2018-11-02 | 中国海洋大学 | A kind of method of short octopus generation industrial aquaculture |
| CN109984061A (en) * | 2019-04-01 | 2019-07-09 | 中国海洋大学 | A kind of octopus oosperm artificial incubation method |
| 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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103718995A (en) * | 2013-11-27 | 2014-04-16 | 安徽省郎溪县水产管理站 | Artificial propagation method of pseudorasbora parva |
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| CN104054615A (en) * | 2014-07-10 | 2014-09-24 | 中国海洋大学 | Octopus minor oosperm collector and application thereof |
| 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 |
| CN104839094A (en) * | 2015-04-22 | 2015-08-19 | 烟台市水产研究所 | Method and device for breeding octopus ocellatus larvae |
| 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 |
| CN106417101A (en) * | 2016-09-30 | 2017-02-22 | 威海虹润海洋科技有限公司 | Artificial breeding method for Octopus variabilis |
| 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 |
| CN108719139A (en) * | 2018-06-05 | 2018-11-02 | 中国海洋大学 | A kind of method of short octopus generation industrial aquaculture |
| CN109984061A (en) * | 2019-04-01 | 2019-07-09 | 中国海洋大学 | A kind of octopus oosperm artificial incubation method |
| 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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