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Method for treating and preventing scuticociliatosis in fishes

A technology of a treatment method and a preventive method, applied in the field of shield fibrosis, can solve the problems of being susceptible to other bacterial infections, loss of commodity value, poor feeding, etc., and achieve effective and economical treatment and prevention effects.

Active Publication Date: 2008-02-13
SUKEGAWA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In particular, if external parasites are parasitic in farmed fish, it will not cause major disasters when the number of parasites is small, but once it reaches the breeding water temperature period from May to July (water temperature 22°C to 26°C), the eggs will hatch. become adults, and lay a large number of eggs at the same time, which is prone to mass death of farmed fish
[0004] In addition, even if infected with parasites but will not die, due to parasites, the physique of farmed fish will be weakened, and they will be susceptible to other bacterial infections, or poor food intake, which will easily cause loss of commodity value

Method used

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  • Method for treating and preventing scuticociliatosis in fishes
  • Method for treating and preventing scuticociliatosis in fishes
  • Method for treating and preventing scuticociliatosis in fishes

Examples

Experimental program
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Effect test

Embodiment 1

[0058] As Example 1 of the present invention, in a flounder farm where scutellaria infection occurs, stabilized chlorine dioxide, citric acid and hydrogen peroxide are added to the culture water for dipping. Changes in the number of dead juveniles in this case are shown in FIG. 2 . Because it is the embodiment in other ponds in the same farm as the comparative example, the species of juvenile fish and the culture conditions are all the same as the comparative example.

[0059] In Example 1, 12 dead tails were found on the first day of breeding. An autopsy revealed scutellaria, and it was confirmed that he died due to scutellaria infection.

[0060] Within 12 days from the day when the culture started, the juvenile fish were added to the culture water with stabilized chlorine dioxide, citric acid, and hydrogen peroxide, and the concentration ratio of each agent reached 1ppm, 0.15ppm, and 15ppm. Take a daily 3-hour medicated bath. At this time, the pool serves as a complete d...

Embodiment 2

[0066] As Example 2 of the present invention, in a flatfish farm where scutellaria infection occurs similarly to Example 1, stabilized chlorine dioxide, citric acid, and hydrogen peroxide were added to the culture water for dipping. Changes in the number of dead juveniles in this case are shown in FIG. 3 . Owing to being the embodiment in other ponds in the same farm as Comparative Example and Example 1, the species of juvenile fish and culture conditions are all the same as Comparative Example and Example 1.

[0067] In Example 2, 9 dead tails were found on the day the culture started. An autopsy revealed scutellaria, and it was confirmed that he died due to scutellaria infection.

[0068] Same as Example 1, within 12 days from the day when the culture started, the juvenile fish were added stabilized chlorine dioxide, citric acid, hydrogen peroxide to the culture water, and the concentration ratio of each medicament reached 1ppm, 0.15ppm, In the medicinal liquid of 15ppm, c...

Embodiment 3

[0074] As Example 3 of the present invention, for the flatfish farms where scutellaria infection occurs, formalin and trichlorfon as fungicides are used in pools where no therapeutic effect is seen, and stabilized carbon dioxide is added to the culture water. Chlorine, citric acid and hydrogen peroxide are used for medicated bath. In this farm, in 10 pools, under the conditions shown in Table 6, 49900 juveniles with a body length of 15 cm or less were raised.

[0075] Table 6

[0076] pool size

7.5mφ

water level

water temperature

amount of water

Water exchange rate

50cm

21.5~15.5℃

9.8t

1~1.5t / hour

[0077] Changes in the number of juvenile deaths in this farm are shown in Fig. 4 . In Example 3, juvenile flatfish died. After confirming that the cause of death was scutellum infection, different from Example 1 and Example 2, first the juveniles were treated with a drug that prepared the concentration of formalin...

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Abstract

The present invention provides a method for treating and preventing scuticociliatosis in breeding fishes. Adding stabilized chlorine dioxide or chlorite, organic carboxylic acid and hydrogen peroxide into a cistern which is closed over ultraviolet, and make the concentration of them be above 0.5ppm and below 10ppm, above 0.015ppm and below 0.3ppm, above 5ppm and below 30ppm separately, and to implement drug bath to fish in the cistern. By means of the three medicament combination, it is easy to treat scuticociliatosis in breeding fishes. In addition, due to killing the shield infusorian, thusto prevent scuticociliatosis from occurring without blight to fishes.

Description

technical field [0001] The present invention relates to a method for treating or preventing scuticociliate parasitism in fish by using stabilized chlorine dioxide or chlorite, organic carboxylic acid and hydrogen peroxide. Background technique [0002] In recent years, due to the development of marine fish farming technology, high-grade fish such as flounder, red sea bream, and puffer fish have become the objects of farming. In these high-grade fish farms, preventing diseases caused by viruses, pathogenic bacteria, and external parasites is very important for maintaining the growth of farmed fish and increasing production. [0003] In particular, if external parasites are parasitic in farmed fish, it will not cause major disasters when the number of parasites is small, but once it reaches the breeding water temperature period of May to July (water temperature 22°C to 26°C), the eggs will hatch. Adults, and a large number of spawning at the same time, prone to a large number...

Claims

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Application Information

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IPC IPC(8): A01K61/00A61P33/00
CPCY02A40/81A01N59/08A61K31/19A61K33/20A61K33/40
Inventor 助川征
Owner SUKEGAWA CHEM