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Patinopecten yessoensis seedling culturing method

A technology of scallops and cultivation methods, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems of lack of scallop seedling cultivation methods, a large demand gap for finished products, and slow growth speed, etc., and achieve Reasonable cultivation method, high survival rate of seedlings, and strong effect of seedlings

Inactive Publication Date: 2013-06-26
蓬莱市天保海水养殖有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, sea areas such as Liaodong Peninsula and Changdao in Shandong are cultivated in northern my country, and their growth rate is relatively slow. From the beginning of spat to shell height of 1l-12cm, the shortest time is 1 year and 7 months. The longer growth cycle leads to the finished product There is a large demand gap in the domestic and foreign markets, showing a situation in which the supply exceeds demand. Accelerating the development of the aquaculture industry has become a top priority, and it is particularly important to cultivate robust scallop seedlings. At present, there is still a lack of systematic and excellent scallop seedling cultivation methods.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0058] The scallop seed cultivation method of the present embodiment mainly comprises the following steps:

[0059] 1. Egg laying and hatching

[0060] When the gonads of female scallop broods are orange or pink, and the gonads of male scallops are milky white, the gonad index is above 13%, and a small amount of broodstock begins to discharge sexual fluid after normal water changes, it indicates that the broodstock has been cultivated. Complete, move the broodlings into the ovulation pool at the same temperature as the cultivation pool, without any other stimulation, the broodlings will start ovulation for the first time, and after the first ovulation, leave the broodlings and continue to raise them for 3-5 days. to ovulate again;

[0061] Dilute the fertilized eggs with water or divide them into pools, and hatch at a density of about 40-60 / ml. In order to prevent the fertilized eggs from sinking to the bottom and affecting the hatching effect, during the hatching process, st...

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Abstract

The invention relates to a patinopecten yessoensis seedling culturing method, and belongs to the technical field of patinopecten yessoensis seedling culturing methods. The patinopecten yessoensis seedling culturing method is characterized by mainly comprising the following steps of: (1) performing oviposition and hatching; (2) cultivating larvas; (3) feeding substratums; and (4) cultivating young mollusk. According to the patinopecten yessoensis seedling culturing method, the technology is scientific and reasonable; the flow operation is simple and standard; the seedling survival rate is high; the seedlings are robust; and a good foundation is laid for growth of patinopecten yessoensis in the future.

Description

technical field [0001] The invention relates to a method for cultivating scallop seedlings, and belongs to the technical field of cultivating methods for scallop seedlings. Background technique [0002] Ezo scallop is a filter-feeding bivalve mollusk with a fan-shaped shell and is a cold-water shellfish. Ezo scallop is native to Japan, the southern waters of the Russian Kuril Islands, Hokkaido, Japan, and northern Honshu. The suitable temperature range for growth is 5-23°C, 15 The most suitable growth temperature is about ℃, and the growth is slow when the temperature is lower than 5℃. When the water temperature rises to 23℃, the living ability will gradually weaken. The suitable range for salinity is 24-40‰. It is distributed in areas with high salinity and no fresh water injection. Coastal sea areas with hard bottom, less silt and water depth not exceeding 40m. [0003] Ezo scallops are delicious and rich in unsaturated fatty acids EPA and DHA, which can promote intellect...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 张锡良张榭令姜忠惠代文汇罗心怡隋晓伟
Owner 蓬莱市天保海水养殖有限公司
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