Method for preventing ichthyophthiriasis of marine-cultured fishes

A technology for mariculture and white spot disease, which is applied in the direction of pharmaceutical formulas, medical preparations containing active ingredients, plant/algae/fungus/moss components, etc. It can solve problems such as laborious, time-consuming, and spread of white spot disease, and it is not easy to achieve Produce drug resistance, good deworming effect, and less side effects

Inactive Publication Date: 2013-09-11
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large number of chemical drugs are used to prevent "white spot disease", which not only causes damage to the sea area environment, but also affects the growth and development of farmed fish itself
It is difficult to evacuate aquaculture cages in high-density aquaculture sea areas. Evacuation to other sea areas will not only take time and effort, but will easily cause damage to farmed fish, and will also cause the spread of "white spot disease"

Method used

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  • Method for preventing ichthyophthiriasis of marine-cultured fishes
  • Method for preventing ichthyophthiriasis of marine-cultured fishes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: in " white spot disease " popular season, Galla gall is made into round cake shape solid by above method, packs in the mesh bag. Select 10 large yellow croaker rafts of 4 m × 4 m, hang a medicine bag on the four corners of each fish raft, change a batch every week, and continue to hang medicine bags for one month. One month later, comparing the 10 fishing rafts with medicine bags with those without medicine bags nearby, it was found that the intensity of Cryptocaryon stimuli infection of large yellow croaker in the fishing rafts with medicine bags was significantly weakened, and the infection rate of large yellow croaker was significantly reduced. And the death rate decreased by 46% and 51%, respectively. (The gallnut hanging tablets have a good effect of repelling insects.)

Embodiment 2

[0020] Embodiment 2: in " white spot disease " popular season, neem is made into round cake shape solid by above method, packs in net bag. Select 10 large yellow croaker rafts with a size of 4 m × 4 m, hang a medicine bag on each of the four corners of the fish raft, change one batch every week, and continue to hang the medicine bag for one month. One month later, comparing the 10 fishing rafts with medicine bags with those without medicine bags nearby, it was found that the intensity of infection of large yellow croaker and stimulating Cryptocaryon in the fishing rafts with medicine bags was significantly weaker, and the infection of large yellow croaker was much weaker. The rate and death rate decreased by 32% and 40%, respectively. (Neem tablets are a good insect repellant.)

Embodiment 3

[0021] Embodiment 3: in " white spot disease " popular season, betel nut is made into round cake shape solid by above method, packs in the mesh bag. Select 10 4 m × 4 m red sea bream breeding rafts, hang a medicine bag on the 4 corners of each raft, change a batch every week, and continue to hang the medicine bag for a month. One month later, comparing the 10 fishing rafts with medicine bags with those without medicine bags nearby, it was found that the intensity of red sea bream infection stimulating Cryptocaryon significantly weakened in the fishing rafts with medicine bags, and the infection of red sea bream The rate and death rate decreased by 42% and 48%, respectively. (Betel nut hanging tablets have a good effect of repelling insects.)

[0022] Conclusion: Galla, betel nut, and neem are three kinds of Chinese herbal medicine hanging tablets that have a good deworming effect on large yellow croaker and red sea bream cultured fish in sea areas. After a comparative test, ...

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Abstract

The invention discloses a method for preventing the ichthyophthiriasis of marine-cultured fishes. The method comprises the step of: respectively installing medicine bags with a parasite expelling function at four corners of a fish fillet in a hooking way. After the method is used, the medicine bags with the parasite expelling function are installed at the four corners of the fish fillet in the hooking way, so that the aim of parasite expelling can be achieved, the medicine bags are good in parasite expelling effect, and the method is very simple and easy to operate.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for preventing "white spot disease" of seawater cultured fish. Background technique [0002] With the continuous deterioration of the aquaculture environment and the gradual increase in the aquaculture density, the "white spot disease" caused by Cryptocaryon stimuli has caused huge economic losses to aquaculture marine fish. The "white spot disease" has the characteristics of high infection rate, wide spread and high mortality, and there is no good treatment method yet. At present, the main methods in China are to use chemical drugs and evacuate aquaculture cages to prevent "white spot disease" of fish cultured in sea areas. A large number of chemical drugs are used to prevent "white spot disease", which not only damages the environment of sea areas, but also affects the growth and development of farmed fish itself. It is difficult to evacuate aquaculture cages in high-densi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/899A61K36/58A61P33/02A61K35/64
Inventor 鄢庆枇邹峰苏永全覃映雪马英徐晓津
Owner JIMEI UNIV
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