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Method for killing oncomelania and lymnaeidae in pond

A technology for vertebral snails and snails, which is applied in the field of pond clearing in aquaculture, and can solve the problem of finding no pond clearing drugs.

Inactive Publication Date: 2011-02-09
赵林斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pond clearing agent (snail-killing) sodium pentachlorophenate was banned by the fishery, no pond-clearing drug that can effectively kill snails has been found. This phenomenon has been perplexing the majority of seed breeders.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The present invention will be further described below by specific 1 treatment examples.

[0013] Implementation 1 example:

[0014] A pond with an area of ​​6 mu and a water depth of 30cm. There are a large number of snails and wild fish in the pond. After pre-clearing, grass carp summer flowers are cultivated. After diluting 580g of niclosamide with water, sprinkle it evenly in the whole pond. The water temperature was about 23°C that day. Two days later, all the snails and wild fish in the pond were killed. After 7 days, put 5 silver carp fry in small nets. In the pond, after 48 hours, the fry activities were normal. No snails and wild fish appeared in the pond during the whole summer flower cultivation, which fully demonstrated the remarkable effect of niclosamide on killing snails and wild fish.

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PUM

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Abstract

The invention discloses a method for killing oncomelania and lymnaeidae in a pond, which comprises the following steps of: diluting niclosamide by using water, and uniformly splashing in the whole pond 10 to 15 days before seeds enter the pond to make the final concentration of pond water be 0.30 to 0.50 g / m<3>, and keeping liquid medicine concentration for 24 to 48 hours to effectively kill gastropods such as the oncomelania, the lymnaeidae and the like, gastropod eggs, rough fish, parasites and the like. The consumption is appropriately increased when the temperature is lower than 20 DEG C. The method of the invention is simple, convenient to operate, has high speed, no residues, small consumption and low cost, and is safe to shrimps and crabs.

Description

Technical field: [0001] The invention belongs to the medicine pond clearing technology in aquaculture, and is a technical method for effectively killing oncomelanias and snails in ponds. Background technique: [0002] In fish fry breeding ponds, there are often a large number of oncomelanias and snails. They not only compete with fish fry, but also consume a large amount of dissolved oxygen in water, prey on some seedlings, and become hosts for many parasites. Through them spread many diseases. Oncomelania snails and snails appear in large numbers in seedling cultivation ponds, which greatly reduces the survival rate of seedlings. Since the pond-clearing agent (snail-killing) sodium pentachlorophenate was banned by the fishery, no pond-clearing drug that can effectively kill snails has been found, and this phenomenon has been perplexing the majority of seed breeders. [0003] The appearance of niclosamide has made it impossible to kill snails in seedling cultivation ponds....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01M99/00A01K61/00
CPCY02A40/81
Inventor 赵林斌
Owner 赵林斌
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