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Method for ecologically cultivating seeds by utilizing purse net in holothurian pond

A technology for sea cucumbers and ponds, which is applied in the field of sea cucumber ponds for ecological seedling cultivation using seine nets, which can solve the problems of large environmental impact, heavy workload, and high cost, and achieve the effects of no energy consumption, fewer management personnel, and fewer diseases

Inactive Publication Date: 2009-09-09
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of raising seedlings has high energy consumption, heavy workload, laborious, time-consuming, high cost and great impact on the environment

Method used

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  • Method for ecologically cultivating seeds by utilizing purse net in holothurian pond

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Embodiment Construction

[0008] When setting up the purse seine ecosystem, first surround the cuboid-shaped opening of (5-4) m, width (3-4) m, and height (1.5-2) m from all sides by 150-200 mesh polyethylene screen 1 Seine: bury the bottom of the seine into the bottom of the ginseng pool, insert 2-3 support rods 2 on the four sides of the seine respectively; tie a plurality of beams 3 with polyethylene ropes at the top, and the distance between the beams 3 is 20-30cm , respectively use polyethylene ropes to tie polyethylene corrugated boards or screen mesh attachment bases for sea cucumber attached seedlings, each beam has 3 attachment bases and 20-30 strings, and each string has 10-20 corrugated boards or screen attachment bases; and According to the water permeability of the polyethylene screen 1, replace the large mesh screen regularly;

[0009] Before raising sea cucumber seedlings, disinfect the seawater in the seine with bleaching powder 7-10 days before spawning; put 30-40 sea cucumber species ...

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Abstract

The invention relates to a method for ecologically cultivating seeds by utilizing a purse net in a holothurian pond, which is characterized by comprising the following steps: a purse net ecosystem is enclosed by a polyethylene screen mesh; bleaching powder is used for sterilizing and treating the water quality in the purse net 7-10 days before egg lying; and then, 30-40 holothurian seeds are put into the purse net for egg lying and moved after 26-30 hours; and attaching bases are put in 7-8 days after egg lying. The fencing net ecosystem enclosed by the polyethylene screen mesh from four sides is a rectangular opened purse net which is 4-5 m in length, 3-4 m in width and 1.5-2 m in height; 2-3 support rods are respectively inserted from four sides of the purse net; polyethylene ropes are tied on the upper mouth to form a plurality of beams, and the distance between the beams is 20-30 cm. The invention has the advantages of cost saving, environment protection, strong seeds, less diseases, high survival rate, fast growth and less managers.

Description

technical field [0001] The invention relates to a method for raising sea cucumber seedlings, in particular to a method for carrying out ecological seedling raising in a sea cucumber pond by using a purse net. Background technique [0002] At present, sea cucumber seedlings in our country adopt indoor artificial seedling raising methods, that is, feeding, changing water, aerating, spraying pesticides, etc. are all carried out under manual operating conditions. The indoor seedling cultivation takes a long time, generally 4-6 months. Therefore, will consume a large amount of water, electricity, gas, get rid of a large amount of waste water and residual bait to pollute the environment again simultaneously. Indoor cultivation inevitably has the problem of disease, more or less antibiotics are used for disease prevention and treatment, and drug residues affect the quality of sea cucumbers and increase the cost of seedling cultivation. Due to the heavy workload, a large number of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 于瑞海李琪马化亮王喜连范立强
Owner OCEAN UNIV OF CHINA