CN103329831B - Pinctada martensi core inserting pre-operation treatment method - Google Patents
Pinctada martensi core inserting pre-operation treatment method Download PDFInfo
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- CN103329831B CN103329831B CN201310297930.3A CN201310297930A CN103329831B CN 103329831 B CN103329831 B CN 103329831B CN 201310297930 A CN201310297930 A CN 201310297930A CN 103329831 B CN103329831 B CN 103329831B
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- cage
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- pteria martensii
- pinctada
- martensi
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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 pinctada martensi core inserting pre-operation treatment method which comprises the steps that pinctada martensi is selected and used for core inserting and pearl cultivation; during 5 days to 7 days before pre-operation treatment, after attachments on the surface of the shell of the pinctada martensi are removed and the pinctada martensi is placed in a common double-ring cage for cultivation according to the density and cultivated in the position 1.5m to 2m underwater in a hung mode; at about 8 o'clock in the morning of the day of pre-operation treatment, the cage is placed on a fishing raft or a fishing boat and covered by canvas or a shading net and after 3 hours to 4 hours, the pinctada martensi is cultivated in the position 30cm underwater in a hung mode; in the morning of the second day, the cage is placed in the position 1.5m to 2m underwater in a hung mode; after 4 days to 5 days, the constitution of the pinctada martensi is recovered and a core inserting operation can be conducted. The pinctada martensi core inserting pre-operation treatment method can remarkably improve the survival rate and the core remaining rate of pearl cultivating shellfishes, the yield and the quality of pearls are improved, and the pinctada martensi core inserting pre-operation treatment method has the advantages of being convenient to operate, low in cost and easy to master, popularize and use.
Description
Technical field
The present invention relates to a kind of slotting core preoperative medication method, particularly a kind of pteria martensii inserts core preoperative medication method, belongs to pearl cultivation technology field.
Background technology
Pteria martensii (Pinctada martensii Dunker), also known as Hepu nacre, be under the jurisdiction of Mollusca, Bivalvia, Pteriidae, Pteria is important mariculture shellfish and the main bulb of fritillary producing pearl, the shellfish that Ye Shi China sea water pearls cultured area is the widest, quantity is maximum.Extensively being distributed in the torrid zone, semi-tropical Pacific and Indian oceans is littoral, is one of the Main Economic shellfish in the coastal sea area in China Guangdong, Guangxi and Hainan.The sea water pearls output utilizing pteria martensii to cultivate accounts for more than 95% of national sea water pearls gross yield.During peak, nearly 200,000 mu of cultured area, total output value breaks through 1,000,000,000.In recent years, China's sea water pearls seed output and quality is all on a declining curve.Therefore, technical research of growing cultured pearls is carried out extremely urgent with popularization.
Pteria martensii carried out processing this work before slotting core operation, approximately start from middle nineteen thirties in this century, for pteria martensii in the reason of slotting core advance row relax be: think that the plentiful nacre of gonad has overslaugh to slotting core at that time, and the effect of slotting core is poor, easy generation pollution, tail pearl and plain pearl, the lethality of operated shellfish is also higher.Therefore, slotting core is carried out in order to obtain the not plentiful nacre of gonad, before pteria martensii mating season does not also arrive, adopt the method suppressing gonadal development, then adopt in mating season and promote that the method for gonadal development and the smart ovum of induction discharge carries out preoperative medication.Pteria martensii gonad through preoperative medication has lacked, thus improves the effect of slotting core, and this viewpoint continues up to the fifties latter stage.
The techniqueflow that implant core is grown cultured pearls mainly comprises preoperative medication, the mantle piece to operated shellfish and pearl renucleation is performed the operation, postoperative recuperation and form sport technique segments such as growing cultured pearls.Wherein, preoperative medication has a significant impact raising pearly shellfish survival rate, pearl production and quality, has the effect of two aspects: (1) suppresses pearly shellfish gonadal development degree, or impel its ejaculation to lay eggs, be conducive to carrying out smoothly of slotting core operation, improve core-remaining rate, reduce dirty pearl rate; (2) weaken the physiologically active of pearly shellfish, reduce its physiological function, thus the rejection brought after reducing pearl core and small pieces implantation, make it be in and be applicable to inserting the stable state that core executes art, improve survival rate.Productivity empirical tests and the application in sea water pearls cultivation work of existing preoperative medication method, but there is different defects such as increasing fixed assets investment, complex operation, artificial and fuel cost rising respectively.
For the reply prices of raw and semifnished materials and cost of labor go up present situation fast, the invention provides a kind of easy and simple to handle, with low cost, be easy to the preoperative medication method promoted, there is good popularizing application prospect.
Summary of the invention
The object of the invention is to overcome the shortcoming existed in prior art, provide a kind of easy and simple to handle, with low cost, the pteria martensii being easy to promote inserts core preoperative medication method.
The object of the invention is to be achieved through the following technical solutions, comprise the following steps:
(1) select energetic, the long 6-7cm of shell, shellfish age grows cultured pearls for planting core at the pteria martensii in 1.5-2 age;
(2) 5-7d before preoperative medication, after removing pteria martensii shell surface attachment, by the density of 38/cage, the cage putting into common cultivation, apart from the two circle cages being 35cm, keeps hanging on below water surface 1.5-2m place;
(3) process 8:00 in the morning on the same day, shellfish cage is positioned on fishing row or fishing boat, hide with canvas or shade net, hanging culture 30cm place below the water surface after 3-4 h;
(4) the next morning, shellfish cage is hung 1.5-2m place below the water surface;
(5) after 4-5 d, pteria martensii physique is recovered, and can carry out planting core operation; The method pteria martensii be applicable to during annual April-October inserts core preoperative medication; At the bottom of two circle cage, footpath is 40cm, and face diameter is 30cm, and height is 15cm, and mesh specification is 30mm × 30mm.
The invention has the beneficial effects as follows:
(1) treatment effect is obvious, and the shellfish of more than 90% can discharge reproductive cell in process night on the same day;
(2) do not need to purchase preoperative medication Special cage tool, do not increase fixed assets investment and warehouse cost; In cultivation fishing row original place operation, the amount of labour is little, does not increase fuel cost;
(3) significantly improve survival rate and the core-remaining rate of pearly shellfish, improve pearl production and quality;
(4) simple and efficient to handle, be easy to grasp and apply.
Embodiment
Be described in further details the present invention below by example, these examples are only used for the present invention is described, do not limit the scope of the invention.
Embodiment 1
Place: Xuwen County Yin Hui pearl culture farmer specialized cooperative society; Time: year December in April, 2011 to 2011.
April 22, after the pteria martensii selected is removed shell surface attachment, by the density of 38/cage, put into two circle cage, keep hanging on below water surface 1.5-2m place.8:00, was positioned over shellfish cage on fishing row, hid with canvas morning April 29; 12:00, by shellfish cage hanging culture 30cm place below the water surface.Morning April 30,9:00, kept hanging on below water surface 1.5-2m place by shellfish cage.May 5, carry out slotting core operation.Control group directly carries out slotting core operation without preoperative medication.Pearly shellfish in sea area conveniently technology cultivate, on December 18th, 2011 receive pearl.Preoperative medication group and control group grow cultured pearls Performance comparision in table 1.
Embodiment 2
Place: Xuwen County Yin Hui pearl culture farmer specialized cooperative society; Time: year January in May, 2012 to 2013.
May 1, after the pteria martensii selected is removed shell surface attachment, by the density of 38/cage, put into two circle cage, keep hanging on below water surface 1.5-2m place.8:00, was positioned on fishing boat by shellfish cage, hid with shade net morning May 6; 11:30, by shellfish cage hanging culture 30cm place below the water surface.Morning May 7,8:00, kept hanging on below water surface 1.5-2m place again by shellfish cage.May 11, carry out slotting core operation.Control group directly carries out slotting core operation without preoperative medication.Pearly shellfish in sea area conveniently technology cultivate, on January 23rd, 2012 receive pearl.Preoperative medication group and control group grow cultured pearls Performance comparision in table 1.
Table 1: preoperative medication group and control group are grown cultured pearls effectiveness comparison
The comparison of table 2 the present invention and existing preoperative medication method
Claims (1)
1. pteria martensii inserts a core preoperative medication method, it is characterized in that: comprise the steps:
(1) pteria martensii is selected to grow cultured pearls for planting core;
(2) 5-7d before preoperative medication, after removing pteria martensii shell surface attachment, by density, puts into the two circle cage of common cultivation, keeps hanging on below water surface 1.5-2m place;
(3) process 8:00 in the morning on the same day, shellfish cage is positioned on fishing row or fishing boat, hide with canvas or shade net, hanging culture 30cm place below the water surface after 3-4 h;
(4) the next morning, two circle cage is hung 1.5-2m place below the water surface;
(5) after 4-5 d, pteria martensii physique is recovered, and carries out planting core operation;
The described method pteria martensii be applicable to during annual April-October inserts core preoperative medication;
The condition of the pteria martensii of described step (1) is that energetic, the long 6-7cm of shell, shellfish age are in 1.5-2 age;
The standard of described step (2) density is 38/cage;
In described step (2), at the bottom of two circle cage, footpath is 40cm, and face diameter is 30cm, and height is 15cm, and mesh specification is 30mm × 30mm;
The cage of the two circle cages in described step (2) and (4) is apart from being 35cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310297930.3A CN103329831B (en) | 2013-07-17 | 2013-07-17 | Pinctada martensi core inserting pre-operation treatment method |
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| CN201310297930.3A CN103329831B (en) | 2013-07-17 | 2013-07-17 | Pinctada martensi core inserting pre-operation treatment method |
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| CN103329831A CN103329831A (en) | 2013-10-02 |
| CN103329831B true CN103329831B (en) | 2014-12-24 |
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| CN201310297930.3A Expired - Fee Related CN103329831B (en) | 2013-07-17 | 2013-07-17 | Pinctada martensi core inserting pre-operation treatment method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104885985A (en) * | 2015-06-26 | 2015-09-09 | 海南大学 | Method for cultivating round pearl of penguin pearl shell |
| CN104969890B (en) * | 2015-07-09 | 2018-04-27 | 谢绍河 | The cultural method grown cultured pearls with giant clam shellfish plant core |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1175607A (en) * | 1997-09-03 | 1999-03-23 | Nishida Kosan:Kk | Core for cultured pearl, and its production |
| CN101796931A (en) * | 2010-03-10 | 2010-08-11 | 中国水产科学研究院南海水产研究所 | Preoperative processing method during nucleus insertion and pearl culture of pinctada martensii |
| CN101897304A (en) * | 2010-06-01 | 2010-12-01 | 广东海洋大学 | Cultivation method for improving survival rate and nucleus-remaining rate of nucleus-inserted Pinctada martensii during recuperation period |
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