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A kind of natural feed additive for improving the immune ability of aquatic animals and its preparation method

A feed additive, aquatic animal technology, applied in animal feed, animal feed, plant raw materials, etc., can solve problems such as drug residues, deterioration of aquaculture water environment, and high hazards

Active Publication Date: 2021-06-15
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many problems in modern aquaculture, for example: 1. The degree of intensification of aquatic products continues to develop, aquatic animal diseases gradually present the characteristics of multiple, complex and high hazards, and the aquaculture water environment deteriorates; 2. Splashing and applying a large amount of fishery insecticide 1. Abuse of various antibiotics, splashing external use of sterilization and disinfection drugs, etc.; 3. Cause drug resistance and drug residues of pathogenic microorganisms, and even cause damage to the ecological environment balance of the entire water body

Method used

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  • A kind of natural feed additive for improving the immune ability of aquatic animals and its preparation method
  • A kind of natural feed additive for improving the immune ability of aquatic animals and its preparation method
  • A kind of natural feed additive for improving the immune ability of aquatic animals and its preparation method

Examples

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Effect test

Embodiment 1

[0023] Example 1: A natural feed additive, including: 30 parts of Echinacea purpurea, 18 parts of Scutellaria baicalensis, 18 parts of forsythia, 30 parts of honeysuckle, 30 parts of Houttuynia cordata, 16 parts of Daqingye, and 16 parts of Sophora flavescens.

Embodiment 2

[0026] Mix the raw materials in Example 1 to obtain 158g of Echinacea compound, cut it into pieces, put it into a decocting pot, add about 500mL of distilled water to submerge the Chinese herbal medicine, soak for 30 minutes, filter out the distilled water, add clean distilled water again, boil over high heat, and then simmer One and a half hours, filter out the medicinal liquid, repeat three times, combine the three filtrates, concentrate until the crude drug content is 1g / mL, use 0.22μL sterile filter membrane to filter and sterilize, and store in a refrigerator at 4°C until use. (decoction method)

Embodiment 3

[0028] Take 158g of Echinacea compound, cut it into pieces, put it in a beaker, add distilled water higher than that of Chinese herbal medicine, seal it with plastic wrap, soak for 30 minutes and filter it out, then add about 500mL of 60% ethanol, seal it with plastic wrap, soak for 2 hours, filter Take out the extract, repeat once, combine the two filtrates, concentrate until the crude drug content is 1g / mL, use 0.22μL sterile filter membrane to filter and sterilize, and store in a refrigerator at 4°C until use. (60% ethanol extraction)

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PUM

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Abstract

The invention belongs to the technical field of feed additives, and specifically discloses a natural feed additive for improving the immunity of aquatic animals, comprising the following components in parts by weight: 25-35 parts of Echinacea purpurea, 12-25 parts of Scutellaria baicalensis, 12-25 parts of forsythia 30 parts, 25~35 parts of honeysuckle, 25~35 parts of Houttuynia cordata, 10~20 parts of Daqingye, 10~20 parts of Sophora flavescens. The natural feed additive composition provided by the invention is safe and effective, simple to prepare, and has remarkable antibacterial effect, especially for Edwardsiella tarda ( Edwardsiella tarda ) and Aeromonas schtzeri ( Aeromonas schubertii ) has a remarkable antibacterial effect, and when added to the feed, it can significantly enhance the immunity of aquatic animals, and has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of feed additives, and more specifically relates to a natural feed additive for improving the immunity of aquatic animals and a preparation method thereof. Background technique [0002] There are many problems in modern aquaculture, for example: 1. The degree of intensification of aquatic products continues to develop, aquatic animal diseases gradually present the characteristics of multiple, complex and high hazards, and the aquaculture water environment deteriorates; 2. Splashing and applying a large amount of fishery insecticide 1. Misuse of multiple antibiotics, splashing external use of sterilization and disinfection drugs, etc.; 3. Causes drug resistance and drug residues of pathogenic microorganisms, and even damages the ecological environment balance of the entire water body. The increase of drug residues will also affect human health through the biological chain. [0003] Edwardsiella tarda ( Edwa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/80A23K10/30A61K36/78A61K36/855A61P37/04A61P31/04
CPCA61K36/195A61K36/28A61K36/315A61K36/355A61K36/489A61K36/539A61K36/634A61K36/704A61K36/78A61K36/855A23K10/30A23K50/80A61K2300/00Y02A40/818
Inventor 唐雪莲姚亚徐民俊付京花
Owner SOUTH CHINA AGRI UNIV