CN103070122A - Method and special device for hatching and preferring sepiella maindroni oosperms - Google Patents
Method and special device for hatching and preferring sepiella maindroni oosperms Download PDFInfo
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- CN103070122A CN103070122A CN2013100403205A CN201310040320A CN103070122A CN 103070122 A CN103070122 A CN 103070122A CN 2013100403205 A CN2013100403205 A CN 2013100403205A CN 201310040320 A CN201310040320 A CN 201310040320A CN 103070122 A CN103070122 A CN 103070122A
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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 special device for hatching and preferring sepiella maindroni oosperms. The device comprises a hatching cage framework with a foaming floater, wherein a nylon mesh sheet which encloses to form a mesh box shape is hung on the hatching cage framework; a plastic retracting rope is arranged close to the bottom of the nylon mesh sheet; a round plastic disc is connected with the inner side of the retracting rope; and small holes are uniformly distributed in the round plastic disc. The special device is simple in structure, convenient to manufacture, low in cost and is strong in production operability, and is easily popularized and applied in an artificial seedling production unit of sepiella maindroni. Hatched young bodies can be preferred within a relatively short time, and the young bodies with regular specification, high activity, no injury and high quality can be obtained. Compared with the young bodies hatched by the other devices, the young bodies hatched by the special device have the advantage that the sickness rate is reduced by 30 percent.
Description
Technical field
The present invention relates to a kind of roe hatching device and method, excellent method and isolated plant are selected in the hatching that relates in particular to Sepiella maindroni fertilized egg.
Background technology
Sepiella maindroni (Sepiella maindroni de Rochebrune) is commonly called as inkfish, order fish, be subordinate to Mollusca (Mollusca), Cephalopoda (Cephalopoda), Decapoda (Decapoda), Sepiidae (Sepiidae), sepiella maindroni de Rochebrune genus (Sepiella), distributed more widely at China coast, once be that one of aquatic products are caught in four traditional sea of China, had very high economic worth.In recent years, Chinese scholar has progressively been carried out the Sepiella maindroni parent and has been fished for, tames and cultivate and the research work of artificial seed raising technology, and substantially solved the difficult problem of industrial artificial seedling rearing, but in artificial breeding is produced, still have the lower phenomenon of hatchability of fertile eggs, incubation rate is generally only about 10%.The factor that affects hatchability of fertile eggs has many, such as the quality of fertilized egg, and the egg apparatus tool of fertilized egg, the breeding conditions such as water temperature, water quality, salinity etc., and unsuitable hatching pattern can cause producing lower incubation rate, and can affect the quality of hatchling.At present, in the Sepiella maindroni artificial breeding is produced, the hatching pattern of fertilized egg was generally put into the parents culture pond with plastic ties, net sheet etc. as the egg apparatus tool before this before parent is laid eggs, after fertilized egg behind the parent mate and oviposit invests on the egg apparatus tool, directly rope, the net sheet with attached ovum moves into nursery pond, be suspended in the water body, hatch by breeding conditions such as control water temperature, salinity, pH value, illumination.The shortcoming of this mode of operation is that the attached ovum of egg apparatus is too thick too much, the ovum granule density is excessive, easily pathogenic, and easily cause ovum grain anoxic, obstruction embryo breathes, slow even the perish of egg development in the middle of being enclosed in, this hatching pattern not only causes incubation rate seriously to reduce, and make impurity, dead ovum and the young inferior that hatches is directly sneaked into and cultivates in the pond, the impact success rate of growing seedlings.Also there is in addition patent report (ZL201020596632.6) to adopt dried up hatching utensil hatching Sepiella maindroni fertilized egg, but this mode just is fit to laboratory condition or uses in the breeding process on a small scale, is difficult to apply in the Sepiella maindroni productive breed.In view of the importance that high hatchability and the high-quality young produce for artificial breeding, need that design is a kind of to be fit to use aborning badly, the incubation rate of fertilized egg can be improved, and the hatching apparatus that the young selects excellent effect can be played.
Summary of the invention
The object of the invention is to provide a kind of for prior art and be fit to use aborning, can improve the incubation rate of fertilized egg, and can play the young and select the hatching of the Sepiella maindroni fertilized egg of excellent effect to select excellent method and isolated plant.
The present invention solves the problems of the technologies described above the technical scheme that adopts: excellent isolated plant is selected in the hatching of Sepiella maindroni fertilized egg, comprise the hatching cage framework with foam plastic float, and hang on this hatching cage framework and be provided with the nylon mesh sheet that surrounds the net cage shape, wherein: nylon mesh sheet is provided with the plastic shrink rope near the bottom; The retraction cord inboard is connected with plastic disc; Be evenly equipped with aperture on the plastic disc.Because that adopts is simple in structure, easily manufactured, cost is low, produces workablely, is easy to promote the use of at Sepiella maindroni artificial breeding production unit; Be easy to clean the fertilized egg in hatching cage and the sterilization cage; Fertilized egg is distributed on the plastic disc, has solved that triploidy rate is excessive, the easy anoxic of fertilized egg, hindered the problem that the embryo breathes, effectively improve the sea grape incubation rate; The bead burr edge of aperture can promote the rupture of membranes of squid larva, improve the hatching survival rate, utilize this hatching apparatus, incubation rate can reach 25.0%～33.8%, far above 12.1～18.5% of other hatching m, compare with other hatching m, utilize this hatching apparatus, incubation rate can improve 26.3～35.2%; Can within the faster time, select excellently to the young that hatches, can obtain that specification is neat, energetic, not damaged, the high-quality young.Compare with the young that other devices are hatched, illness rate reduces by 30%.
The aperture of the aperture on the plastic disc is 1mm-20mm.
Excellent method is selected in the hatching of Sepiella maindroni fertilized egg, it comprises: directly will grow string and thick close fertilized egg after the fertilized egg behind the Sepiella maindroni parent mate and oviposit being invested on the egg apparatus tool such as rope and connect rope from the egg apparatus tool and cut, be cut into simple grain fertilized egg or be cut into short and small ran, fertilized egg quantity on every ran is controlled at 20～50, directly is positioned on the plastic disc of hatching in the cage with simple grain fertilized egg or the fertilized egg of segmentation.Fertilized egg distributes comparatively uniformly, can reduce the dead ovum ratio that causes because of anoxic.Simultaneously, because the egg membrane surface contacts with aperture, current stir and cause friction, can promote young membrane, improve survival rate.
Every 1m in the residing water body of hatching cage
2～2m
2Place a gas exhausting stone that is connected with air pump by tracheae.
Because the present invention is provided with the plastic shrink rope near having adopted the nylon mesh sheet bottom; The retraction cord inboard is connected with plastic disc; Be evenly equipped with aperture on the plastic disc.Because that adopts is simple in structure, easily manufactured, cost is low, produces workablely, is easy to promote the use of at Sepiella maindroni artificial breeding production unit; Be easy to clean the fertilized egg in hatching cage and the sterilization cage; Fertilized egg is distributed on the plastic disc, has solved that triploidy rate is excessive, the easy anoxic of fertilized egg, hindered the problem that the embryo breathes, effectively improve the sea grape incubation rate; The bead burr edge of aperture can promote the rupture of membranes of squid larva, improve the hatching survival rate, utilize this hatching apparatus, incubation rate can reach 25.0%～33.8%, far above 12.1～18.5% of other hatching m, compare with other hatching m, utilize this hatching apparatus, incubation rate can improve 26.3～35.2%; Can within the faster time, select excellently to the young that hatches, can obtain that specification is neat, energetic, not damaged, the high-quality young.Compare with the young that other devices are hatched, illness rate reduces by 30%.
Description of drawings
Fig. 1 is embodiment of the invention apparatus structure schematic diagram;
Fig. 2 is the enlarged diagram that cage is hatched in the present invention;
Fig. 3 is the enlarged diagram of plastic disc of the present invention.
Embodiment
Below in conjunction with attached embodiment the present invention is described in further detail.
The drawing reference numeral explanation: clean sea water 1, water intaking valve 2, cement are cultivated pond 3, hanging rope 4, hatching cage 5, fertilized egg 6, foam plastic float 7, static line 8, outlet valve 9, gas exhausting stone 10, hatching cage framework 11, nylon mesh sheet 12, plastic disc 13, plastic shrink rope 14, aperture 15.
Embodiment: referring to figs. 1 through Fig. 3, excellent isolated plant is selected in the hatching of Sepiella maindroni fertilized egg, comprise the hatching cage framework 11 with foam plastic float 7, and hang on this hatching cage framework 11 and be provided with the nylon mesh sheet 12 that surrounds the net cage shape, wherein: nylon mesh sheet is provided with plastic shrink rope 14 near 12 bottoms; Retraction cord 14 inboards are connected with plastic disc 13; Be evenly equipped with aperture 15 on the plastic disc 13.Because that adopts is simple in structure, easily manufactured, cost is low, produces workablely, is easy to promote the use of at Sepiella maindroni artificial breeding production unit; Be easy to clean the fertilized egg in hatching cage and the sterilization cage; Fertilized egg is distributed on the plastic disc, has solved that triploidy rate is excessive, the easy anoxic of fertilized egg, hindered the problem that the embryo breathes, effectively improve the sea grape incubation rate; The bead burr edge of aperture 15 can promote the rupture of membranes of squid larva, improve the hatching survival rate, utilize this hatching apparatus, incubation rate can reach 25.0%～33.8%, far above 12.1～18.5% of other hatching m, compare with other hatching m, utilize this hatching apparatus, incubation rate can improve 26.3～35.2%; Can within the faster time, select excellently to the young that hatches, can obtain that specification is neat, energetic, not damaged, the high-quality young.Compare with the young that other devices are hatched, illness rate reduces by 30%.
The aperture of the aperture 15 on the plastic disc 13 is 1mm-20mm.
Excellent method is selected in the hatching of Sepiella maindroni fertilized egg, it comprises: directly will grow string and thick close fertilized egg 6 after the fertilized egg 6 behind the Sepiella maindroni parent mate and oviposit being invested on the egg apparatus tool such as rope and connect rope from the egg apparatus tool and cut, be cut into simple grain fertilized egg 6 or be cut into short and small ran, fertilized egg 6 quantity on every ran are controlled at 20～50, directly are positioned on the plastic disc 13 of hatching in the cage 5 with simple grain fertilized egg 6 or the fertilized egg 6 of segmentation.Fertilized egg 6 distributes comparatively uniformly, can reduce the dead ovum ratio that causes because of anoxic.Simultaneously, because the egg membrane surface contacts with aperture 15, current stir and cause friction, can promote young membrane, improve survival rate.
Every 1m in the hatching cage 5 residing water bodys
2～2m
2Place a gas exhausting stone 11 that is connected with air pump by tracheae.
Cement is cultivated pond 3 areas with 20m
2～30m
2, the depth of water is advisable with 1.0m～1.5m, static line 8 is set, every 1m in the pond between the pool wall
2～2m
2Place a gas exhausting stone 11 that is connected with air pump by tracheae, to increase oxygen in the water body, cement is cultivated pond 3 and is advanced draining by water intaking valve 2 and outlet valve 9 controls, after in cement is cultivated 3 ponds, pond, putting into clean sea water 1, several hatching cages 5 are put into the pond, utilizing hanging rope 4 will hatch cage 5 lies on the static line 8, hatching cage 5 is made hatching cage framework 12 by the PE plastic tube first, at the nylon mesh sheet 12 of hatching cage framework 12 configurations by the nylon rope braiding, the net of nylon mesh sheet 12 directly is 5mm-20mm, preferred 5mm, in hatching outer, cage 5 upper end a plurality of foam plastic floats 7 are set, make the lifting with the variation of cement cultivation pond 3 middle water levels of hatching cage 5, distance hatching 100mm place, cage 5 bottom, utilize nylon retraction cord 14 to fix a plastic disc 13 at nylon mesh sheet 12, the diameter of plastic disc 13 is 45mm, some apertures are arranged on the plastic disc 13, the aperture is 1mm-20mm, preferred 2mm, ovum footpath less than Sepiella maindroni fertilized egg 6, after fertilized egg 6 behind Sepiella maindroni parent mate and oviposit invests on the egg apparatus tools such as rope, directly will grow string and thick close fertilized egg 6 connects rope from the egg apparatus tool and cuts, be cut into simple grain fertilized egg 6 or be cut into some short and small rans, fertilized egg 6 quantity on every ran are controlled at 20～50, directly be positioned on the plastic disc 13 of hatching in the cage 5 with simple grain fertilized egg 6 or the fertilized egg 6 of segmentation, according to the requirement of Sepiella maindroni fertilized egg 6 hatchings, the control water temperature, salinity, dissolved oxygen, pH and intensity of illumination.After the Sepiella maindroni young hatches, adopt soft fishing net that the young is selected excellent, the young poor and ink-jet or damaged is dragged for from hatching cage 5 with weak vigor, phototaxis is good, that body colour is dark, the energetic healthy and strong young is directly cast aside cement and cultivates pond 3 interior cultivations, after fertilized egg 6 hatchings finish, to hatch cage 5 and shift out cement cultivation pond 3, for subsequent use behind the cleaning and sterilizing.
Although described the present invention in conjunction with preferred embodiment; so it is not to limit the present invention; any those skilled in the art; in the situation that do not break away from the spirit and scope of the present invention; can implement to the theme of listing displacement and the modification of various changes, coordinate here, so protection scope of the present invention is as the criterion when looking the claim restricted portion that proposes.
Claims (4)
1. excellent isolated plant is selected in the hatching of Sepiella maindroni fertilized egg, comprise the have foam plastic float hatching cage framework (11) of (7), and upper suspension of this hatching cage framework (11) is provided with the nylon mesh sheet (12) that surrounds the net cage shape, it is characterized in that: described nylon mesh sheet (12) is provided with plastic shrink rope (14) near the bottom; Described retraction cord (14) inboard is connected with plastic disc (13); Be evenly equipped with aperture (15) on the described plastic disc (13).
2. excellent isolated plant is selected in the hatching of Sepiella maindroni fertilized egg according to claim 1, it is characterized in that: the aperture of the aperture (15) on the described plastic disc (13) is 1mm-20mm.
3. adopt the hatching of Sepiella maindroni fertilized egg as claimed in claim 1 to select the hatching of the Sepiella maindroni fertilized egg of excellent isolated plant to select excellent method, it is characterized in that: directly will grow string and thick close fertilized egg (6) after the fertilized egg (6) behind the Sepiella maindroni parent mate and oviposit being invested on the egg apparatus tool such as rope and connect rope from the egg apparatus tool and cut, be cut into simple grain fertilized egg (6) or be cut into short and small ran, fertilized egg on every ran (6) quantity is controlled at 20～50, directly is positioned on the plastic disc (13) of hatching in the cage (5) with simple grain fertilized egg (6) or the fertilized egg of segmentation (6).
4. excellent method is selected in the hatching of Sepiella maindroni fertilized egg according to claim 3, it is characterized in that: every 1m in the residing water body of described hatching cage (5)
2～2m
2Place a gas exhausting stone that is connected with air pump by tracheae (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040320.5A CN103070122B (en) | 2013-02-01 | 2013-02-01 | Method and special device for hatching and preferring sepiella maindroni oosperms |
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|---|---|---|---|
| CN201310040320.5A CN103070122B (en) | 2013-02-01 | 2013-02-01 | Method and special device for hatching and preferring sepiella maindroni oosperms |
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| Publication Number | Publication Date |
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| CN103070122A true CN103070122A (en) | 2013-05-01 |
| CN103070122B CN103070122B (en) | 2015-07-15 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238545A (en) * | 2013-05-23 | 2013-08-14 | 中国水产科学研究院黄海水产研究所 | Device and method for hatching fertilized eggs of sepia esculenta |
| CN106900600A (en) * | 2016-12-30 | 2017-06-30 | 浙江海洋大学 | A kind of cultivation method for enhancing for improving Sepiella maindroni reproductive capacity |
| CN107306862A (en) * | 2017-08-09 | 2017-11-03 | 湖北省水产科学研究所 | Hatching apparatus and hatching method |
| CN107466935A (en) * | 2017-09-08 | 2017-12-15 | 岭南师范学院 | New indoor culturing pool is used in a kind of cuttlefish cultivation |
| CN107593540A (en) * | 2017-09-28 | 2018-01-19 | 济南三峰益农农业科技有限公司 | A kind of air hangs egg hatching device |
| CN107646749A (en) * | 2017-10-12 | 2018-02-02 | 浙江省海洋水产研究所 | Cuttlefish enhancement releasing device |
| CN107787886A (en) * | 2017-10-12 | 2018-03-13 | 浙江省海洋水产研究所 | Tamper-proof type cuttlefish egg hatching release device |
| CN109496928A (en) * | 2018-11-27 | 2019-03-22 | 浙江海洋大学 | A kind of full-automatic hatching larvae device and method suitable for bottom dwelling property cuttlefish |
| CN109984061A (en) * | 2019-04-01 | 2019-07-09 | 中国海洋大学 | A kind of octopus oosperm artificial incubation method |
| CN111296326A (en) * | 2019-12-26 | 2020-06-19 | 浙江省海洋水产研究所 | Bionic egg attaching device for attaching cuttlefish eggs |
| CN111296325A (en) * | 2019-12-26 | 2020-06-19 | 浙江省海洋水产研究所 | Bottom sinking type cuttlefish egg attaching device |
| CN112369358A (en) * | 2020-11-18 | 2021-02-19 | 浙江省海洋水产研究所 | Overwintering culture device for Nibea japonica |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103238545B (en) * | 2013-05-23 | 2014-06-18 | 中国水产科学研究院黄海水产研究所 | Device and method for hatching fertilized eggs of sepia esculenta |
| CN103238545A (en) * | 2013-05-23 | 2013-08-14 | 中国水产科学研究院黄海水产研究所 | Device and method for hatching fertilized eggs of sepia esculenta |
| CN106900600A (en) * | 2016-12-30 | 2017-06-30 | 浙江海洋大学 | A kind of cultivation method for enhancing for improving Sepiella maindroni reproductive capacity |
| CN106900600B (en) * | 2016-12-30 | 2020-11-13 | 浙江海洋大学 | Enhanced cultivation method for improving fertility of sepiella maindroni |
| CN107306862A (en) * | 2017-08-09 | 2017-11-03 | 湖北省水产科学研究所 | Hatching apparatus and hatching method |
| CN107466935A (en) * | 2017-09-08 | 2017-12-15 | 岭南师范学院 | New indoor culturing pool is used in a kind of cuttlefish cultivation |
| CN107593540A (en) * | 2017-09-28 | 2018-01-19 | 济南三峰益农农业科技有限公司 | A kind of air hangs egg hatching device |
| CN107787886B (en) * | 2017-10-12 | 2019-09-13 | 浙江省海洋水产研究所 | Tamper-proof type cuttlefish egg hatching release device |
| CN107646749A (en) * | 2017-10-12 | 2018-02-02 | 浙江省海洋水产研究所 | Cuttlefish enhancement releasing device |
| CN107787886A (en) * | 2017-10-12 | 2018-03-13 | 浙江省海洋水产研究所 | Tamper-proof type cuttlefish egg hatching release device |
| CN107646749B (en) * | 2017-10-12 | 2019-09-13 | 浙江省海洋水产研究所 | Cuttlefish enhancement releasing device |
| CN109496928A (en) * | 2018-11-27 | 2019-03-22 | 浙江海洋大学 | A kind of full-automatic hatching larvae device and method suitable for bottom dwelling property cuttlefish |
| CN109984061A (en) * | 2019-04-01 | 2019-07-09 | 中国海洋大学 | A kind of octopus oosperm artificial incubation method |
| CN111296326A (en) * | 2019-12-26 | 2020-06-19 | 浙江省海洋水产研究所 | Bionic egg attaching device for attaching cuttlefish eggs |
| CN111296325A (en) * | 2019-12-26 | 2020-06-19 | 浙江省海洋水产研究所 | Bottom sinking type cuttlefish egg attaching device |
| CN112369358A (en) * | 2020-11-18 | 2021-02-19 | 浙江省海洋水产研究所 | Overwintering culture device for Nibea japonica |
| CN112369358B (en) * | 2020-11-18 | 2022-03-15 | 浙江省海洋水产研究所 | Overwintering culture device for Nibea japonica |
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