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Method of expelling ectoparasites parasitic on breeding fish

A technology for ectoparasites and farms, which is applied in the fields of botanical equipment and methods, chemicals for biological control, fish farming, etc., which can solve the problems of inconvenient operation and unpopularity, and achieve the effect of ensuring work safety.

Inactive Publication Date: 2015-07-15
DE NORA PERMELEC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As electrolytes, aqueous solutions of sulfuric acid, phosphoric acid, and those containing fluorine groups have been used, but they are not popular due to the inconvenience in handling

Method used

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  • Method of expelling ectoparasites parasitic on breeding fish
  • Method of expelling ectoparasites parasitic on breeding fish
  • Method of expelling ectoparasites parasitic on breeding fish

Examples

Experimental program
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Embodiment 1

[0133] As the anode 7, a perforated niobium plate electrode (5 cm x 20 cm) on which conductive diamond is formed is used. As the ion exchange membrane 9 , a Nafion membrane (registered trademark of DuPont) manufactured by DuPont was inserted, and as the cathode 8 , a titanium plate electrode (5 cm x 20 cm) prepared by electroplating 0.2 μm platinum was used. The electrolytic cell is composed of an anode chamber and a cathode chamber, and the anode chamber contains 20 pieces of electrode-membrane composites. The total electrode projected area is 0.2m 2 . Flow channels for gases and liquids are provided to the chambers of the electrolytic cell. Water as a raw material was supplied from the bottom of the electrolysis chamber at a flow rate of 500 liters per minute. The supplied current is 25A / dm 2 And the temperature at the outlet is controlled at 25°C. The concentration of the synthesized ozone water was 2ppm. The water was partially diverted and subjected to the following...

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PUM

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Abstract

The invention provides a method for expelling ectoparasites, which is suitable for expelling ectoparasites parasitic on breeding fish. According to the method for expelling ectoparasites parasitic on breeding fish, an electrolysis type ozone generating device is arranged in the proximity of a culturing farm. Then raw material water is electrolyzed by the electrolysis type ozone generating device to generate ozone water and the electrolytic ozone water is stored in a electrolytic ozone water tank. Breeding fish are put in the electrolytic ozone water tank so as to expel the ectoparasites of the breeding fish.

Description

technical field [0001] The present invention relates to a method for expelling ectoparasites such as gill flukes and dermatomes in cultured fish. Background technique [0002] Recently, marine products and fish farming techniques have been developed, and high-grade fish such as herring (yellow tail), plaice, red sea bream, and puffer fish are popularly cultured as farming objects. In farms, diseases caused by viruses, pathogenic bacteria and ectoparasites must be prevented in order to achieve shorter breeding periods and increase production value. However, from May to August, when the water temperature rises to a suitable temperature range of 22-27°C for ectoparasite infection, aquaculture facilities often encounter farmed fish that die one after another. Even if these diseases are non-fatal, parasitic infection will lead to weak physiology and poor feeding of farmed fish, which will lead to loss of production value. Harm caused by parasites has increased due to the use of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00A01N59/00A01P17/00C02F1/78
CPCY02A40/81A01N59/00A61L2/202
Inventor 大迫一史松本仁宫坂讲治高桥佑一郎铃木智久锦善则
Owner DE NORA PERMELEC LTD
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