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Method for culturing tridacna juvenile mollusks in hanging type net cage

A technology for cultivating and cultivating clam clam in cages is applied in the field of cultivating clam juveniles in hanging net cages, which can solve the problems of affecting the growth of clam clam, difficult and time-consuming operation, and high labor cost, and achieves strong practicability, easy promotion, and reduction of The effect of small proliferative costs

Pending Publication Date: 2022-05-10
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the research and development of the bottom-sowing technology of giant clams is only found in Li Yupei's patent "A method of bottom-sowing giant clams" (CN103238542A). A Bottom-Sowing Proliferation Method for Small-sized Juvenile Clams", the patent is mainly aimed at small-sized juveniles, but it uses bottom-seeding at a water depth of 8m. On the one hand, weak light affects the growth of giant clams, and on the other hand, diving operations are required. It takes a lot of manpower, and the operation is difficult and time-consuming

Method used

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  • Method for culturing tridacna juvenile mollusks in hanging type net cage
  • Method for culturing tridacna juvenile mollusks in hanging type net cage
  • Method for culturing tridacna juvenile mollusks in hanging type net cage

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Embodiment 1

[0018] Embodiment 1: as figure 1 shown

[0019] a. Selection and attachment of juvenile giant clam spat: The giant clam seedlings released this time are scaleless giant clam seedlings artificially bred by our team at the Rehai Marine Biological Experimental Station of the Chinese Academy of Sciences in Sanya. At the beginning of November 2020, select healthy scale-free giant clam seedlings with a size of 15mm-20mm, and implant them on a cement board with a length of 58cm x width 38cm x thickness 2cm. And it has been firmly fixed on the cement board, and the spat at this time have completed the fixation process.

[0020] b. Production of suspended cages: In mid-November 2020, 20 triangular conical closed cages with specifications of 58cm long x 38cm wide x 15cm high were made using nylon nets with a pore diameter of 15mm. The selection of 15mm nylon net can prevent giant clam spat from falling out of the cage, and also ensure its sufficient light transmission. On the one han...

Embodiment 2

[0029] a. Selection and attachment of juvenile giant clam spat: The giant clam seed released this time is the safflower clam seed artificially bred by our team at the Rehai Marine Biological Experimental Station of the Chinese Academy of Sciences in Sanya. At the beginning of November 2020, select healthy safflower clam seedlings with a size of 15mm-20mm, and implant them on a cement board with a length of 58cm x a width of 38cm x a thickness of 2cm. And it has been firmly fixed on the cement board, and the spat at this time have completed the fixation process.

[0030] b. Production of hanging net cages: In mid-November 2020, 10 closed triangular conical cages with specifications of 58cm long x 38cm wide x 15cm high were made using nylon nets with a pore diameter of 15mm. The selection of 15mm nylon net can prevent giant clam spat from falling out of the cage, and also ensure its sufficient light transmission. On the one hand, the closed triangular cage can prevent wind and ...

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Abstract

The invention discloses a method for culturing tridacna juvenile mollusks through a hanging type net cage. The floating cutting culture method of the tridacna juvenile mollusks is created through the technical means of selection and attachment of the tridacna juvenile mollusks, manufacturing of the hanging type net cage, transportation of the tridacna juvenile mollusks, culture of the hanging type net cage, nursing management and the like. According to the method, the tridacna juvenile mollusks are bred in the selected sea area in a floating cutting and hanging breeding mode for the first time, the bottom sowing proliferation cost of the tridacna is greatly reduced, the proliferation efficiency and the growth speed of the tridacna are improved, joint restoration of various tridacna resources is achieved, and technical guarantee is provided for benign and healthy development, reef building and protection and the like of the South China Sea coral reef ecosystem in China. The method has the advantages of being high in practicability and easy to popularize.

Description

Technical field: [0001] The invention belongs to the technical field of shellfish multiplication and release in marine agriculture, and in particular relates to a method for cultivating giant clam spat in hanging net cages. Background technique: [0002] Tridacna is a large tropical marine benthic mollusc, mainly distributed in the Indian Ocean, the Western Pacific and the South my country Sea. In my country, giant clam species include Tridacna gigas, T.derasa, T.squamosa, T.noae, Tridacna (T. maxima), saffron clam (T.crocea) and giant clam (Hippopus hippopus) of the genus Tridacna. Tridacna is the main framework species in the coral reef ecosystem. It plays an active and key role in maintaining coral reef biodiversity and ecosystem stability. It provides habitats, protection areas, breeding and feeding places for many marine organisms, and is of extremely important ecological importance. value. Due to the discovery of the market value of giant clams and the backwardness o...

Claims

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Application Information

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IPC IPC(8): A01K61/50
CPCA01K61/50Y02A40/81
Inventor 李军喻子牛张跃环周银银马海涛秦艳平
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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