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Preoperative processing method during nucleus insertion and pearl culture of pinctada martensii

A Hepu pearl oyster and treatment method technology, applied in the field of aquaculture, can solve the problems of waste of mother oyster resources and human resources, low survival rate of pearl oysters, and high mortality rate of recuperation oysters, so as to improve the survival rate and nucleus retention rate , prevent bait shortage and disease, and reduce the effect of physiological response

Inactive Publication Date: 2010-08-11
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

The research and production of Hepu pearl oyster cultured pearls in my country began in the middle of the 20th century. At present, my country's pearl culture technology has basically reached the international advanced level, and some scientific research achievements are still in the leading position in the world, but some technologies have not been applied in production. , such as preoperative treatment technology, so that there are common phenomena of high postoperative recovery shellfish mortality rate, high nuclear spit rate, low survival rate of pearl oysters, low pearl retention rate, and low commercial pearl rate, resulting in female oyster resources and manpower. Serious waste of resources and poor economic benefits

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0017] This embodiment is operated in the pearl oyster breeding sea area where there is a temperature difference of 2-3°C between the surface layer and the deep layer of the seawater. A culture floating raft is built on the sea, and the 2-year-old engrafted female oyster with a clean shell body is packed into the four sides and the bottom with a diameter of 0.8cm. In the preoperative treatment frame of the hole, the distance between the frames is 0.5 meters, and they are suspended in the water layer at a depth of 5 meters. After 7 days, the shellfish are poured, and the Hepu pearl oyster is shallowly suspended in the seawater at a distance of 0.5 meters for shallow hanging treatment. 32 Hours later, the shellfish cages were placed in 5-meter-deep water for hanging culture again. In this way, shallow hanging was carried out every 5 days. After repeated stimulation for 3 times, the Hepu pearl oysters were in a state of low vitality and could be directly used for nucleus insertion ...

Embodiment 2

[0019] This embodiment is operated in the pearl oyster culture sea area where there is a temperature difference of 2-3°C between the surface layer and the deep layer of the seawater. A culture floating raft is built on the sea, and the 2.5-year-old Hepu pearl oyster with a clean shell body is put into the surrounding and bottom as the oyster oyster. In the pre-operative treatment frame with small holes with a diameter of 0.9 cm, the distance between the frames is 0.7 meters, and they are suspended in the water layer at a depth of 5.5 meters. After 6 days, the shells are poured, and the Hepu pearl oyster is shallowly suspended in the seawater at a depth of 1 meter. Shallow hanging treatment. After 30 hours, the preoperative treatment frame containing the oyster was placed in 5.5 meters deep water again for hanging culture. In this way, shallow hanging was carried out every 5 days. After repeated stimulation for 2 times, the Hepu pinnata In a state of low vitality, it can be dire...

Embodiment 3

[0021] This embodiment is operated in the pearl oyster culture sea area where there is a temperature difference of 2-3°C between the surface layer and the deep layer of the seawater. A culture floating raft is built on the sea, and the 2-year-old Hepu pearl oyster with a clean shell body is loaded into the surrounding and bottom as the oyster oyster. In the preoperative treatment frame with small holes with a diameter of 1 cm, the distance between the frames is 1.0 meters, and they are suspended in the water layer at a depth of 6 meters. Hanging treatment, after 32 hours, put the preoperative treatment frame containing the intubate oyster in 5 meters deep water again, and carry out a shallow hanging every 5 days. In the state of low vitality, it can be directly used for nucleus insertion surgery. The survival rate of Hepu pearl oyster in the recuperation period after nucleus insertion operation can reach 92.7%, and the nucleus retention rate can reach 80.4%.

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Abstract

The invention discloses a preoperative processing method during the nucleus insertion and the pearl culture of pinctada martensii, which is characterized by comprising the following steps of: (1) placing pinctada martensii in a preoperative processing frame, and hanging the frame to culture the pinctada martensii in sea water with 5-6 m in depth; (2) after hanging and culturing for 6-7 days, hanging the pinctada martensii in shallow water, namely in sea water with 0.5-1 m in depth, and after 30-32 hr, continuing hanging and culturing the pinctada martensii in water with 5-6 m in depth until the pinctada martensii are in a low activity state and can be subjected to an manual nucleus insertion operation. When the pinctada martensii processed by the method are applied to the manual nucleus insertion operation, the survival rate during a recovery period can reach more than 92.0 percent, and the nucleus retaining rate can reach more than 81.9 percent. The survival rate and the nucleus retaining rate of the pinctada martensii after nucleus insertion are greatly increased, and the problems of death and nucleus spitting of the pinctada martensii after the nucleus insertion operation are solved.

Description

technical field [0001] The invention belongs to the aquaculture technology, and relates to a preoperative treatment method for the Hepu pinnacle oyster in the process of artificially inserting nuclei and raising pearls. Background technique [0002] Pinctada fucata, also known as Pinctada fucata, is an important marine cultured shellfish and the main mother oyster for pearl production. The well-known Hepu pearl, namely "South Pearl", is produced by this shellfish. Hepu pearl oyster lives in tropical and subtropical sea areas. The research and production of Hepu pearl oyster cultured pearls in my country began in the middle of the 20th century. At present, my country's pearl culture technology has basically reached the international advanced level, and some scientific research achievements are still in the leading position in the world, but some technologies have not been applied in production. , such as preoperative treatment technology, so that there are common phenomena of...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 喻达辉张希
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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