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Application of chlorothalonil in preparation of snail killing drug

A technology for chlorothalonil and snails, applied in the application, biocide, chemicals for biological control, etc., can solve the problems of reducing the effect of killing snails, serious harm to humans, animals, aquatic animals and plants, and high toxicity

Inactive Publication Date: 2019-11-05
JIANGSU INST OF PARASITIC DISEASES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Sodium pentachlorophenate, which has been promoted and used in the past, has good molluscicidal effect and low price, but it has serious harm to humans, animals, aquatic animals and plants, and serious environmental pollution. It has been banned by WHO
Niclosamide is a chemical molluscicide that is still in use at present. It has good drug effect, but the snails obviously climb out of the water after contacting the drug, which reduces the molluscicidal effect, and is expensive. It is toxic to non-target organisms (especially fish) Large, affecting the promotion and application of the drug

Method used

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  • Application of chlorothalonil in preparation of snail killing drug

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1, chlorothalonil is to the killing action of oncomelania

[0017] Prepare 2 groups of chlorothalonil solutions with concentrations of 10.00 mg / L, 1.00 mg / L, and 0.10 mg / L. Take 100 ml of the solution for each concentration in each group, pour it into a 100 ml beaker and put 10 snails into it. After soaking the snails for 24h and 48h, pour off the liquid medicine, rinse with water, recover for 48h, observe the life and death of the snails by tapping method and count them. See Table 1 for detailed results.

[0018] Table 1 Chlorothalonil soaking killing effect

[0019]

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Abstract

The invention provides a new application of chlorothalonil in preparation of drugs for killing snails and belongs to the technical field of bilharziasis control. A molluscicide is prepared from a chlorothalonil active ingredient; the dosage form of the molluscicide is selected from a suspending agent, an emulsion and a micro-emulsion; and the molluscicide is used for killing the snails. When the chlorothalonil is taken as the active ingredient of the molluscicide, the usage amount is 1.00-10.00mg / L, and the immersion-killing time is 48h. The inventors prove that the chlorothalonil has killing activity on the snails and can be prepared into the molluscicide applied to the field of bilharziasis control through experiments.

Description

technical field [0001] The invention relates to a new application of chlorothalonil and belongs to the field of prevention and treatment of schistosomiasis. Background technique [0002] Schistosomiasis japonicum is an infectious parasitic disease that seriously affects the health of our people. Oncomelania is the only intermediate host of Schistosoma japonicum. Molluscicide is an important link in the control of schistosomiasis japonicum. Drug molluscicides have relatively long-lasting effects, and the range of application can be determined according to the region. [0003] At present, the commonly used drug molluscicide method at home and abroad is chemical drug molluscicide. Sodium pentachlorophenate, which has been widely used in the past, has good molluscicidal effect and low price, but it has serious harm to humans, animals, aquatic animals and plants, and serious environmental pollution, so its use has been banned by WHO. Niclosamide is a chemical molluscicide tha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/34A01N25/04A01P9/00
CPCA01N25/04A01N37/34
Inventor 邢云天戴建荣张超群
Owner JIANGSU INST OF PARASITIC DISEASES
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