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Agent for preventing and treating aquatic animal parasitic disease

An aquatic animal and control agent technology, applied in the field of insect repellent and insecticide, can solve the problems of biological enrichment, endangering human food safety and health, and not easy to degrade.

Inactive Publication Date: 2003-04-16
HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, these substances are not easy to degrade in the environment, and are likely to cause water pollution. Some of these substances can also cause bioaccumulation, which directly endangers human food safety and health.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Weigh 100kg of crushed tobacco, extract it with water at 66°C, concentrate the extract to 30kg, and obtain the tobacco extract, which is agent A; weigh 100kg of crushed Sophora japonica and Brucea javanica fruit respectively, and extract at 52°C , extracting with ethanol, respectively concentrating Sophora japonica and Brucea javanica fruit extract to 30kg, respectively obtaining Sophora japonica and Brucea javanica extract; Weighing 15kg of Sophora japonica and Brucea javanica fruit extract concentrate respectively, mixing, to obtain Agent B.

Embodiment 2

[0020] Example 2: Place 10kg Brucea javanica fruit extract concentrate and 20kg Sophora japonica extract concentrate in a homogenizer, heat to 46°C, add 5kg of a suitable surfactant, after dissolving, slowly add tobacco extract 50kg, 15kg of water, stirred for 30min, and cooled to normal temperature to obtain the parasite control emulsion in water.

[0021] Above-mentioned embodiment can enumerate a lot, does not enumerate one by one again here, the data that obtains from the large amount of experiments that the applicant has done proves, as long as it is selected within the parameter scope according to the technical scheme of the present invention, i.e. tobacco extract 40%~70% ; Sophora japonica extract 10% ~ 50%; Brucea javanica extract 10% ~ 50%; water 5.0% ~ 30%; surfactant 5.0% ~ 10%, and then prepared according to the processing technology of its water emulsion Aquatic animal parasite control agent that reaches the purpose of the present invention.

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Abstract

A medicine for preventing and treating the parasite of aquatic animals is prepared from the Nicotiana rustica, sophora alopecuroides and the fruit of Brucea javanica through pulverizing separately, extracting in water for the first ingredient and alcohol extracting for the last two. It can be prepared into aqueous emulsion or dual-component form. It is diluted and sprayed on water surface when using. Its advantages are high effect and high safety.

Description

[0001] 1. Field [0002] The invention belongs to an insecticide and an insect-repellent agent in the aquaculture industry, and relates to a control agent, in particular to an aquatic animal parasite control agent. 2. Background of the invention [0003] The prevention and control of aquatic animal parasites is an important guarantee measure for the economic benefits of aquaculture. The incidence of parasitic diseases in aquatic animals is high and widespread. Among them, the most harmful ectoparasites include protozoa such as trichomonas and melon worms; worms such as ring worms and third-generation worms; At present, chemical agents are mostly used in the prevention and control of aquatic animal parasitic diseases at home and abroad, such as trichlorfon, dichlorvos, acephate, pyrethroids, dye methylene blue, oxidant potassium permanganate and heavy metal salts. From the perspective of use, these substances are generally strongly irritating or corrosive, and have a great imp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61P33/00
Inventor 张兴王高学祝木金李广泽马志卿
Owner HARMLESS PESTICIDE RES & SERVICE CENT XIBEI AGRI FORESTRY SCIEN
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