Method of cultivating fry of Apostichopus japonicus by floating cages in ponds

A cultivation method and a suspension type technology are applied in the field of cultivating Apostichopus japonicus seedlings in suspended cages in ponds, which can solve the problems of high density of seedlings, pollute the environment, energy consumption of artificial seedlings, etc., prolong the growth period, improve the survival rate, and facilitate popularization. Effect

Inactive Publication Date: 2014-01-22
JINZHOU MEDICAL UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

With the continuous expansion of the scale of sea cucumber cultivation, industrialized artificial seedlings of sea cucumbers have developed rapidly. At present, more than 95% of sea cucumber seedlings are cultivated in industrial artificial seedling rooms. Artificial seedlings have gradually changed the nature of wild sea cucumbers in natural waters. Attributes, the germplasm of sea cucumbers is degraded, the quality of artificial ginseng seedlings declines, and diseases increase; artificial seedlings consume a lot of energy, and the density of seedlings is high, and a large amount of drugs are needed to control water quality and diseases, resulting in drug residues in sea cucumbers and quality decline ; Indoor seedlings use a lot of water, and the water for breeding goes directly into the sea without treatment, seriously polluting the environment

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  • Method of cultivating fry of Apostichopus japonicus by floating cages in ponds

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Embodiment Construction

[0022] 1. Cage production and placement

[0023] Cage specifications: length, width and height are 4m×2m×1.2 m, made of 20-mesh silk screen;

[0024] Cage frame: Long side 1 uses plastic pipes (polyethylene or polyvinyl chloride pipe Φ60mm), both ends of which are screwed tightly with nuts 1a to seal it and can float on the water; wide side 4 uses bamboo poles or wooden poles Connect with long side 1 to form a rectangular frame. Three plastic pipes 3 (polyethylene or polyvinyl chloride pipe Φ40mm) with the same length as the wide side are used at the bottom of the net cage 2, and coarse sand or heavy objects are contained inside, and the two ends are tightly screwed with nuts 3a to seal them, and are connected to the net. The bottom of the case 2 is connected, one at both ends and one in the middle, so that the net cage 2 sinks and opens.

[0025] Cage placement: After the cages are made, put them in the pond, arrange them in rows, tie the wide sides with long ropes, a...

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Abstract

A method of cultivating fry of Apostichopus japonicus by floating cages in ponds includes: 1, producing and placing cages, and producing floating cages; 2, stocking fry of Apostichopus japonicus reasonably; 3, controlling water quality reasonably; 4, managing cultivation of the fry of Apostichopus japonicus reasonably; 5, adjusting cage level reasonably. The method has the advantages that survival rate, yield and fry quality of the fry of Apostichopus japonicus are increased, the method has good effect and is convenient to popularize, the floating cages can sink to proper levels in hot periods of summer and cold periods of winter so that water temperature and water quality are maintained, and growing period of cage-cultivated fry can also be prolonged.

Description

technical field [0001] The invention relates to a method for cultivating japonicus seedlings in pond suspension net cages. Background technique [0002] Sea cucumber is a marine economic echinoderm with high nutritional, medicinal and economic value. In recent years, the artificial breeding area and production of sea cucumbers in the northern coast of my country have increased year by year. With the continuous expansion of the scale of sea cucumber cultivation, industrialized artificial seedlings of sea cucumbers have developed rapidly. At present, more than 95% of sea cucumber seedlings are cultivated in industrial artificial seedling rooms. Artificial seedlings have gradually changed the nature of wild sea cucumbers in natural waters. Attributes, the germplasm of sea cucumbers is degraded, the quality of artificial ginseng seedlings declines, and diseases increase; artificial seedlings consume a lot of energy, and the density of seedlings is high, requiring the use of a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 王宏迟进坤侯文久张国安杨凤影金嫘王维新丁溪萍
Owner JINZHOU MEDICAL UNIV
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