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Method for culturing one-year patinopecten yesoensis

A technology of scallops and breeding methods, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems of high risk and large one-time investment, and achieve the expansion of living space, improvement of survival rate, and improvement of seedlings The effect of mass and size

Inactive Publication Date: 2011-06-22
ZHANGZIDAO GRP
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Problems solved by technology

Lantern net cage culture is a culture method commonly used in scallop culture at present. This culture method has strong wind and wave resistance, and the water is unobstructed. The scallop grows fast, the survival rate is high, and the operation is more convenient. However, the one-time investment is large and the risk is high. very high

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  • Method for culturing one-year patinopecten yesoensis
  • Method for culturing one-year patinopecten yesoensis

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Embodiment Construction

[0018] The present invention will be described in detail below with the case of cultivating one-year-old scallops in the sea area of ​​Changhai County, Dalian City, Liaoning Province.

[0019] A culture method for scallops, adopting floating raft type net cage culture, the culture method includes at least two parallel floats, floats are arranged on the floats, the distance between the parallel floats is 10m, the culture cage hangs Hanging on the float, the scallops are in the culture cage, each culture cage has 20 layers, the height of each layer is 15cm, the diameter of the culture cage is 34cm, and the seawater flow rate in the culture area is greater than 1.5km / h. The specific steps are as follows: figure 1 Shown:

[0020] (1) In July every year, when the average seawater temperature reaches 18°C ​​to 19°C, screen scallop seedlings with a shell height of more than 0.5cm and put them into breeding cages with a mesh of 0.5cm, and put 150 scallops in each layer of breeding cag...

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Abstract

The invention belongs to the field of aquaculture, and particularly relates to a method for culturing one-year patinopecten yesoensis. The method effectively avoids vigorous attachment periods of mussels, oysters and heterogeneous algae by one-time seedling separation and three-time cage inversion so as to improve the survival rate of seedlings; the quality and the specification of the seedlings are promoted by seedling selection; and the density is reasonably dispersed and the living space is expanded so as to facilitate the growth of the seedlings. The method is suitable for large-scale offshore culture, and has great significance for the development of the shell industry.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for cultivating first-year-old scallops. Background technique [0002] Ezo scallops are native to Japan and the Far East of Russia. They are cold-water shellfish and are distributed in coastal sea areas with high salinity, hard bottom without fresh water injection, less silt and water depth not exceeding 40m. It is one of the excellent varieties of scallops in the world that are more suitable for artificial breeding. my country introduced it from Japan in the early 1980s and mainly cultivated it in the Liaodong Peninsula in northern my country, Shandong Changdao and other sea areas. The growth rate is relatively slow. From juvenile shellfish From the beginning to the shell height of 11-12cm, the shortest time is 1 year and 7 months. According to records, the maximum shell height can reach 27.94cm, and its life span is about 25 years. [0003] In recent years, due ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 武志强吴厚记薛东宁王年双石敬江
Owner ZHANGZIDAO GRP
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