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Pond cleaning agent for aquaculture and preparation method thereof

A technology for aquaculture and pond cleaning, applied in botanical equipment and methods, chemicals for biological control, applications, etc., can solve the problems of human and animal harm, high cost, incomplete killing of fish, etc., and achieve environmental impact. small effect

Pending Publication Date: 2021-07-23
HANGZHOU CHOISUN BIO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chemical pond clearing agents are mainly quicklime, bleaching powder, ammonia water, etc., but this method has the disadvantages of unstable pond clearing effect, inconvenient storage and use of pond clearing agents, and high cost
Pesticide pond clearing agents mainly include insecticides (such as pyrethroid insecticides, organophosphorus insecticides, etc.) and molluscicides (such as sodium pentachlorophenate, nicotinamide, niclosamide, etc.). Pond clearing agents are relatively expensive, easy to pollute the environment, and easy to cause harm to humans and animals
The plant-based pond clearing agent is mainly tea meal. This method is environmentally friendly and safe, but it does not kill fish completely and needs to be used in conjunction with other drugs.

Method used

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  • Pond cleaning agent for aquaculture and preparation method thereof
  • Pond cleaning agent for aquaculture and preparation method thereof
  • Pond cleaning agent for aquaculture and preparation method thereof

Examples

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preparation example Construction

[0046] The preparation method of the plant extract in the present invention will be described in detail below.

[0047] In the present invention, the Gynostemma esculentum extract, Polygala extract, Platycodon grandiflora extract and pokeweed extract among the plant extracts are preferably independently prepared from corresponding plant materials through water extraction and alcohol precipitation.

[0048] In the present invention, the water extraction and alcohol precipitation method preferably includes the following steps:

[0049] decocting the plant raw material powder with water, and separating the solid and liquid to obtain the first extract;

[0050] performing a first concentration on the first extract to obtain a concentrate;

[0051] Precipitating the concentrated solution with an aqueous ethanol solution, and separating the solid and liquid to obtain a second extract;

[0052] The second extract is subjected to a second concentration to obtain an extract of the co...

Embodiment 1

[0072] In terms of parts by mass, the pond clearing agent for aquaculture provided in this example includes: 26 parts of Gynostemma aescine extract, 16 parts of Polygala extract, 13 parts of Bellflower extract, 8 parts of pokeweed extract, safflower sorrel 15 parts of grass extract, 2 parts of tea saponin (purity of tea saponin is 99wt%) and 20 parts of xanthan gum aqueous solution with concentration of 0.2wt%.

[0073] The methods for extracting Gynostemma aescine, Polygala extract, Platycodon grandiflora, pokeweed extract and Sorrel safflower extract will be described respectively below.

[0074] The preparation method of described Gynostemma aescine extract is:

[0075] (1) Gynostemma aescin is dried in a ventilated place, and it is pulverized to 40 orders with a pulverizer to obtain Gynostemma aescin powder;

[0076] (2) Put the Gynostemma Aescine powder in the step (1) into a boiling tank, add water, the quality of the water is 15 times that of the Gynostemma Aescine pow...

Embodiment 2

[0090] In terms of parts by mass, the pond clearing agent for aquaculture provided in this example includes: 34 parts of Gynostemma aescine extract, 12 parts of Polygala extract, 16 parts of Bellflower extract, 5 parts of pokeweed extract, safflower sorrel 11 parts of grass extract, 3 parts of tea saponin (purity of tea saponin is 99wt%) and 19 parts of xanthan gum aqueous solution with a concentration of 0.2wt%.

[0091] The methods for extracting Gynostemma aescine, Polygala extract, Platycodon grandiflora, pokeweed extract and Sorrel safflower extract will be described respectively below.

[0092] The preparation method of described Gynostemma aescine extract is:

[0093] (1) Gynostemma aescin is dried in a ventilated place, and it is pulverized to 20 orders with a pulverizer to obtain Gynostemma aescin powder;

[0094] (2) Put the Gynostemma Aescine powder in the step (1) into a boiling pot, add water, the quality of the water is 10 times that of the Gynostemma Aescine po...

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Abstract

The invention provides a pond cleaning agent for aquaculture and a preparation method thereof, and belongs to the technical field of pond cleaning agents. The pond cleaning agent for aquaculture comprises the following components in parts by mass: 56-100 parts of a plant extract which is a mixture of a gynostemma pentaphyllum extract, a polygala tenuifolia extract, a platycodon grandiflorum extract, a pokeberry root extract and an oxalis rubra extract, the mass ratio of the gynostemma pentaphyllum extract to the polygala tenuifolia extract to the platycodon grandiflorum extract to the pokeberry root extract to the oxalis rubra extract is (18-34): (12-20): (10-16): (5-11): (11-19); 1-5 parts of tea saponin; 0.014-0.086 part of xanthan gum; and 6-43 parts of water. The pond cleaning agent for aquaculture can effectively remove animals such as wild fishes and snails in a pond, can inhibit various pathogenic bacteria, is good in pond cleaning effect, and can provide a good growth environment for aquaculture animals.

Description

technical field [0001] The invention relates to the technical field of pond clearing agents, in particular to a pond clearing agent for aquaculture and a preparation method thereof. Background technique [0002] The pond is the habitat of aquaculture animals and also the storage place of various pathogens. It is one of the important links in aquaculture to use pond clearing agent to clean the pond, eliminate silt, and kill harmful fish and insects before breeding. The work of clearing the pond Development can provide a good living environment for farmed animals and ensure the healthy growth of farmed animals. Drug clearing pond is an important measure to eliminate wild trash fish and other wild animals and plants and pathogens, and it is also the most important method of clearing ponds. [0003] The commonly used pond clearing agents include chemical pond clearing agents, pesticide pond clearing agents and plant pond clearing agents. Chemical pond clearing agents are mainl...

Claims

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Application Information

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IPC IPC(8): A01N65/08A01P1/00A01P3/00A01P13/00A01P15/00
CPCA01N65/00A01N65/08
Inventor 郜晨张向杰陈塨
Owner HANGZHOU CHOISUN BIO TECH CO LTD
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