CN102669021A - Method for temporary culture, egg laying and egg protecting of octopus variabilis sasaki and device for method - Google Patents
Method for temporary culture, egg laying and egg protecting of octopus variabilis sasaki and device for method Download PDFInfo
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- CN102669021A CN102669021A CN2012101324916A CN201210132491A CN102669021A CN 102669021 A CN102669021 A CN 102669021A CN 2012101324916 A CN2012101324916 A CN 2012101324916A CN 201210132491 A CN201210132491 A CN 201210132491A CN 102669021 A CN102669021 A CN 102669021A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000017448 oviposition Effects 0.000 title abstract description 9
- 241000047760 Octopus variabilis Species 0.000 title abstract 6
- 241000238413 Octopus Species 0.000 claims abstract description 92
- 235000013601 eggs Nutrition 0.000 claims abstract description 31
- 102000002322 Egg Proteins Human genes 0.000 claims description 43
- 108010000912 Egg Proteins Proteins 0.000 claims description 43
- 210000004681 ovum Anatomy 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 7
- 230000003203 everyday effect Effects 0.000 claims description 5
- 241000040710 Chela Species 0.000 claims description 4
- 241000238557 Decapoda Species 0.000 claims description 4
- 241000514719 Mactra quadrangularis Species 0.000 claims description 4
- 241000620877 Ruditapes philippinarum Species 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 235000013372 meat Nutrition 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 241000530454 Litopenaeus schmitti Species 0.000 claims description 3
- 241001085205 Prenanthella exigua Species 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims description 2
- 230000004083 survival effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000012447 hatching Effects 0.000 abstract description 2
- 230000005070 ripening Effects 0.000 abstract 1
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000011534 incubation Methods 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 2
- 244000144974 aquaculture Species 0.000 description 2
- 230000026109 gonad development Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000712538 Callistoctopus minor Species 0.000 description 1
- 241000238366 Cephalopoda Species 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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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
The invention discloses a method for temporary culture, egg laying and egg protecting of octopus variabilis sasaki and a device for the method, wherein the method comprises steps of 1 selection of parents, 2 temporary culture and accelerated ripening of parents and 3 egg protecting of the parents, and an octopus nest which is specifically designed is used. The method for temporary culture, egg laying and egg protecting of the octopus variabilis sasaki is simple in operation, the device for the method is low in cost and high in use rate, can effectively increase survival rate and egg laying amount of the parents of the octopus variabilis sasaki, hatching rate of fertilized eggs and healthy degree of young seedling. The octopus nest simulates a natural nest structure of the octopus variabilis sasaki, is more suitable for actions of patient octopus variabilis sasaki such as hiding, defensing and laying eggs and protecting eggs and the like, and is simple in making, convenient to use, less in investment and excellent in effects.
Description
Technical field
The invention belongs to technical field of aquaculture, be specifically related to method and equipment therefor that a kind of long octopus is supported temporarily, laid eggs and protects ovum.
Background technology
Long octopus (Octopus minor) is subordinate to Cephalopoda, Octopodida, octopus section, octopus genus, is commonly called as horse octopus, big octopus or octopus, is distributed widely in the Bohai Sea, the Huanghai Sea, the East Sea, the South Sea and the Japanese marine site of China.Long octopus is annual, and its breeding peak period is in 4～July in the north.Long octopus delicious flavour, nutritive value is abundant, and Japanese, the Korea S of a large amount of outlets is the important precious marine product of earning foreign exchange of northern China.
Long octopus manual work support temporarily with parents culture during, generally adopt pvc pipe or tile as octopus nest (Qian Yaosen, 2011).The pvc pipe both ends open, internal diameter is consistent, many long octopus often occur and squeezes the phenomenon at same nest, causes long octopus to fight mutually and kill and devour, and is unfavorable for supporting temporarily and accelerating, more is unfavorable for protecting ovum.Tile and natural octopus nest difference are bigger, do not form the cave structure, and the ovum crowd more was subject to external interference after long octopus was laid eggs.According to observation, designed suitable its and perched the octopus nest of breeding, and set up a cover technical system and a method, to satisfy artificial breeding, aquaculture and the needs of releasing with this to long octopus reproductive habit and nest thereof under the natural ecological environment.
Summary of the invention
The purpose of this invention is to provide method and equipment therefor that a kind of long octopus is supported temporarily, laid eggs and protects ovum, long octopus parent kills and devour and during protecting ovum, kills and devour each other problems such as fertilized egg mutually under the solution existence conditions, to remedy the deficiency of prior art.
Method of the present invention comprises the steps:
1) selection of parent: adopt from natural waters in the 4～May in every year and to catch long octopus, select that body surface is complete, body portion is full, body colour is healthy as parent;
2) parent is supported accelerating temporarily: parent is carried out supporting temporarily accelerating in storage pond, holding pond, in storage pond, holding pond, throw in the octopus nest, the quantity of octopus nest is 2 times of parent; 14～16 ℃ of the initial water temperatures of storage pond, holding pond, salinity 28～32 ‰; The storage pond, holding pond intensity of illumination is for being no more than 500Lx; Heated up 1 ℃ in per two days, constant when being warming up to 23～26 ℃, the bait of throwing something and feeding every day is laid eggs until parent;
3) parent protects ovum: the octopus nest that parent will be housed after parent is laid eggs moves into the hatchery, seals octopus nest openend with screen cloth, makes close octopus in the octopus nest, protect ovum, prevents that close octopus from escaping from the octopus nest; The hatchery water temperature be adjusted to 24 ℃ constant, regulate intensity of illumination and be no more than 300Lx, flowing water is cultivated and the bait of throwing something and feeding.Check the fertilized egg situation every day, in time remove bad ovum, dead ovum.
For bait feeding, during parent was supported accelerating temporarily, bait was the bright white shrimp of clam worm, fiddler crab, the nearly side crab of meat ball, Ruditapes philippinarum, variegated clam and Mactra veneriformis and ice; Wherein the ratio of various bait is white shrimp 30%, crab class 30%, clam class 20%; Clam worm 20%; When treating that close octopus is about to lay eggs, crab class ratio in the bait is decreased to 10%, the ratio of clam class and clam worm brings up to 30%.Parent protects during the ovum, continues bait throwing in, and bait is the crab class and the clam class of removing a half-shells of removing the foot of a chela, replenishes the parent energy, improves parent and protects the archiblast amount.
The octopus nest that the present invention is used comprises permeable tube and protects two parts of ovum tube that described permeable tube is cylindric, front opening, and the rear end is connected to be protected on the ovum tube; And have aperture on the cylindrical shell of permeable tube; The described rear end of protecting the ovum tube is the coniform of sealing.
The front end of above-mentioned permeable tube is equipped with a stainless steel ring that is used to gain in weight; Hole diameter is 0.8cm, and aperture pitch is 1.5cm.
The above-mentioned rear end of protecting the ovum tube is connected with a pottery and weighs down.
This octopus nest length overall is 50～70cm, diameter 10～15cm.
The present invention has following advantage:
1, long octopus nest structure under the simulated ecological condition uses sterilizable material to prepare the octopus nest, have solid, anticorrosive, resistance to wear, lower-price characteristic; Be convenient to large-scale promotion application; And long octopus is rationally distributed, the parent after guaranteeing to lay eggs is isolated from each other, and creates stable environment for laying eggs, protect ovum; Avoid external interference and parent to kill and devour to each other and fight, can improve the egg laying amount and the incubation rate of long octopus.
2, whole cultivating process, diet collocation is reasonable.Support the accelerating stage temporarily, shell-fish such as crab account for larger proportion in bait, promote the gonad development and the maturity of long octopus parent greatly, improve egg laying amount and fertilized egg quality; Protect during the ovum, close octopus vigor weakens, and reduces the ratio of crab class; And the crab of removing foot of a chela class is provided, and avoid the crab class to attack close octopus, prevent crab class destruction fertilized egg and parent; The clam class of throwing something and feeding simultaneously and removing a half-shells; Make and protect the ovum parent and ingest more easily, makeup energy is protected ovum for a long time effectively.This plays a key effect for improving young incubation rate and survival rate.
3, in addition, protecting during the ovum, take temperature control, technological means such as control light, flowing water cultivation, all is according to the data that obtain on the basis to long octopus ecotope probe and analysis, has set up one for close octopus and fertilized egg and has overlapped and stablize the ecological condition that suits.In time remove bad ovum, dead ovum, also create favorable conditions for the growth of fertilized egg.A whole set of cultivation system is easy to long octopus scale breeding and promotes with demonstration.
The long octopus nature of this octopus nest simulation nest structure, be more suitable for close octopus hidden, resist the enemy and lay eggs, protect behavior such as ovum, and the octopus nest makes simply, easy to use, the availability height is a kind of small investment, effective long octopus octopus nest.
Description of drawings
Fig. 1: be octopus nest structural representation of the present invention;
Fig. 2: be the exploded view of octopus nest of the present invention;
Wherein: 1, permeable tube 2, protect ovum tube 3, aperture 4, stainless steel ring 5, pottery and weigh down.
Embodiment
The long octopus parent of the present invention is supported temporarily, is laid eggs and to protect the method concrete steps of ovum following:
1) selection of parent: select the trunk body surface is complete, trunk is full, body colour is healthy long octopus as parent; Prepare the octopus nest simultaneously: the octopus nest is that aseptic plastic is processed, and constitutes by two sections, and leading portion is the permeable tube 1 of cylinder-like structure, and what back segment was cone-shaped structure protects ovum tube 2, and length overall 50～70cm, diameter are 10～15cm.Permeable tube 1 front opening is inlayed one piece of stainless steel ring 4 on the tube wall; The back segment that protects ovum tube 2 narrows down gradually, endcapped, and terminal binding pottery weighs down 5, and pottery weighs down 5 heavy 100～200g.The tube wall at two places of first three branch of the tubular structure openend of permeable tube 1 hollow has aperture 4, and aperture 4 diameters are 0.8cm, and aperture 4 spacings are 1.5cm
2) parent is supported accelerating temporarily: parent is carried out supporting temporarily accelerating in storage pond, holding pond, water temperature is 14～16 ℃, and salinity is 28～32 ‰ storage pond, holding pond; Throw in the octopus nest of this patent design to storage pond, holding pond, quantity is 2 times of parent, puts into long octopus parent; Per two days of storage pond, holding pond heats up 1 ℃, keeps constant temperature after being warming up to 23～26 ℃, uses the black cloth shading between maintaining the car temporarily; Regulate intensity of illumination and be no more than 500Lx, during supporting temporarily every day the 17:00 bait such as clam worm, fiddler crab, the nearly side crab of meat ball, Ruditapes philippinarum, variegated clam, Mactra veneriformis, the bright white shrimp of ice of throwing something and feeding, feeding volume is 3%～10% of long octopus parent body weight; Long octopus likes best eats shrimp crab class, and the ratio of various bait is white shrimp 30%, crab class 30%; Clam class 20%, clam worm 20%.The next morning is cleared up residual bait, during supporting temporarily, changes water 1/2 in per 2 days.When long octopus parent was about to lay eggs, vigor weakened, and should be reduced to 10% this moment with crab ratio in the bait, prevented that the crab class from attacking parent, and the ratio of clam worm and clam class is increased to 30%.Through bait adjustment, can guarantee that parent can have sufficient live bait during supporting accelerating temporarily, do not consume extra energy on the feed the time again, impel the gonad development of parent better, improve egg laying amount.
3) parent protects ovum: when finding that parent is laid eggs, immediately octopus nest openend is sealed with rubber band and screen cloth, and be transferred to the hatchery, close octopus is isolated each other, and prevent its escape.Protect during the ovum, close octopus resistance weakens, and should avoid the frequent variations of environment; The hatchery water temperature is remained on 24 ℃; And regulate intensity of illumination to 300Lx, and adopt running water to cultivate, suppress growing of bacterium and other harmful organisms; And when preventing to change water to the stimulation of close octopus, improve the archiblast amount of protecting.Protect during the ovum, close octopus is few initiatively ingests.Whenever once, keep the parent physical efficiency at a distance from bait throwing in 2～3 days.The net that to seal the octopus nest during bait throwing in is taken off, and fiddler crab or the nearly side crab of meat ball are cut off the foot of a chela, drops in the octopus nest; Or Ruditapes philippinarum, Mactra veneriformis are removed a half-shells drop in the octopus nest, throw something and feed one in each octopus nest, with net the octopus nest is sealed again; Put back to the hatchery, cleared up residual bait in second day.During close octopus protects ovum, check the fertilized egg situation every day, in time remove the bad ovum that expands, dead ovum.With this long octopus protect the ovum apparatus and method, incubation rate can reach 90%, is higher than the incubation rate of conventional method.
Octopus nest structure is according to the long octopus nest design of occurring in nature among the present invention; The simulating nature egg-laying environment has been protected parent effectively, has prevented the fight between parent and kills and devour; Not only improve the survival rate of close octopus, also improved egg laying amount, fertilized egg hatching rate and the young quality of close octopus.Parent's octopus protects during the ovum movable less, and immunity reduces, and the method for the bait throwing in the octopus nest of taking the initiative makes parent through the makeup energy of ingesting, and takes to reduce intensity of illumination, keeps methods such as temperature constant, flowing water cultivation to protect close octopus, improves the archiblast amount of protecting.
Claims (8)
1. the method that long octopus is supported temporarily, laid eggs and protects ovum is characterized in that, comprises the steps: 1) selection of parent: adopt from natural waters in the 4～May in every year and to catch long octopus, select that body surface is complete, body portion is full, body colour is healthy as parent;
2) parent is supported accelerating temporarily: parent is carried out supporting temporarily accelerating in storage pond, holding pond, in storage pond, holding pond, throw in the octopus nest, the quantity of octopus nest is 2 times of parent; The initial water temperature of storage pond, holding pond is 14～16 ℃, and salinity remains on 28～32 ‰; With the storage pond, holding pond shading, regulate intensity of illumination and be no more than 500Lx, to heat up 1 ℃ in per two days, constant when being warming up to 23～26 ℃, the bait of throwing something and feeding every day is about to lay eggs until parent;
3) parent protects ovum: the octopus nest that parent will be housed after parent is laid eggs moves into the hatchery, seals octopus nest openend with screen cloth, makes close octopus in the octopus nest, protect ovum, prevents that close octopus from escaping from the octopus nest; With the hatchery water temperature be adjusted to 24 ℃ constant, regulate intensity of illumination and be no more than 300Lx, and adopt flowing water to cultivate and the bait of throwing something and feeding.
2. the method for claim 1 is characterized in that described step 2) parent supports during the accelerating temporarily, and the bait of throwing something and feeding is the bright white shrimp of clam worm, fiddler crab, the nearly side crab of meat ball, Ruditapes philippinarum, variegated clam and Mactra veneriformis and ice; Wherein the ratio of various bait is white shrimp 30%, crab class 30%, clam class 20%; Clam worm 20%; And when treating that close octopus is about to lay eggs, the ratio of crab class in the bait is decreased to 10%, the ratio of clam class and clam worm brings up to 30% respectively.
3. the method for claim 1 is characterized in that described step 3) parent protects during the ovum, and the bait of throwing something and feeding is throw something and feed the crab class of removing the foot of a chela and the clam class of removing a half-shells.
4. the method for claim 1; It is characterized in that described step 2) parent supports octopus nest used during the accelerating temporarily, comprises permeable tube (1) and protect (2) two parts of ovum tube that described permeable (1) is cylindric; Front opening, rear end are connected and protect on the ovum tube (2); And have aperture (3) on the cylindrical shell of permeable tube (1); The described rear end of protecting ovum tube (2) is the coniform of sealing.
5. method as claimed in claim 4 is characterized in that the front end of described permeable tube (1) is equipped with a stainless steel ring that is used to gain in weight (4).
6. method as claimed in claim 4, the diameter that it is characterized in that described aperture (3) is 0.8cm, aperture (3) spacing is 1.5cm.
7. method as claimed in claim 4 is characterized in that the described rear end of protecting ovum tube (2) is connected with a pottery and weighs down (5).
8. the method for claim 1 is characterized in that described step 2) parent supports octopus nest used during the accelerating temporarily, and its length overall is 50～70cm, diameter 10～15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101324916A CN102669021B (en) | 2012-05-01 | 2012-05-01 | Method for temporary culture, egg laying and egg protecting of octopus variabilis sasaki and device for method |
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| CN2012101324916A CN102669021B (en) | 2012-05-01 | 2012-05-01 | Method for temporary culture, egg laying and egg protecting of octopus variabilis sasaki and device for method |
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| CN102669021B CN102669021B (en) | 2013-11-27 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104054615A (en) * | 2014-07-10 | 2014-09-24 | 中国海洋大学 | Octopus minor oosperm collector and application thereof |
| CN104351088A (en) * | 2014-10-09 | 2015-02-18 | 苏州大学 | Artificial ecological cave and shrimp-crab breeding method based on artificial ecological cave |
| 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 |
| CN107439423A (en) * | 2017-08-07 | 2017-12-08 | 宁德市鼎诚水产有限公司 | Catch keep-alive and the domesticating method of wide prum chapter parent in a kind of sea |
| 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 |
| CN111436385A (en) * | 2020-04-29 | 2020-07-24 | 中国海洋大学 | Method and device for unisexual culture of octopus variabilis |
| CN111726984A (en) * | 2018-02-14 | 2020-09-29 | 日本水产株式会社 | Cage for feeding cephalopods and sheet for preventing escape of cephalopods, and use thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104351088A (en) * | 2014-10-09 | 2015-02-18 | 苏州大学 | Artificial ecological cave and shrimp-crab breeding method based on artificial ecological cave |
| 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 |
| CN107439423A (en) * | 2017-08-07 | 2017-12-08 | 宁德市鼎诚水产有限公司 | Catch keep-alive and the domesticating method of wide prum chapter parent in a kind of sea |
| CN111726984A (en) * | 2018-02-14 | 2020-09-29 | 日本水产株式会社 | Cage for feeding cephalopods and sheet for preventing escape of cephalopods, and use thereof |
| 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 |
| 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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| CN102669021B (en) | 2013-11-27 |
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