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Feed additive for preventing streptococcus agalactiae

A feed additive, Streptococcus lactis technology, applied in the direction of animal feed, animal feed, additional food elements, etc., can solve problems such as harm, aquaculture harm, drug resistance and antibiotic abuse, and achieve the effect of wide application value

Inactive Publication Date: 2016-02-24
李国深
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Streptococcus (Streptococcus spp.) is a Gram-positive bacterium widely distributed in nature. It is one of the important pathogens of humans and is also an important pathogen of other vertebrates including pigs, cattle, fish, etc.; Streptococcus agalactiae is It is considered to be the only streptococcus with group B specific antigen. In recent years, streptococcus agalactiae has infected a variety of seawater and freshwater fish and caused a variety of diseases. Streptococcus agalactiae has been given to tilapia in Asia Aquaculture has caused serious harm; although some medicines and antibiotics are also used to treat Streptococcus agalactiae of tilapia in the prior art, drug resistance and antibiotic abuse caused by long-term use have also caused serious harm to the aquaculture industry. It is urgent to seek a research that can prevent marine and freshwater aquaculture diseases without causing side effects on aquaculture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Crush and sieve Coptis chinensis, honeysuckle, Radix isatidis, Houttuynia cordata, black beans, and dendrobium (200 mesh) for later use.

[0016] Preparation of Additive 1 The formula of the additive is as follows: Coptidis 12%, Honeysuckle 15%, Radix Isatidis 15%, Houttuynia cordata 18%, and Black Bean 40%.

Embodiment 2

[0018] Crush and sieve Coptis chinensis, honeysuckle, Radix isatidis, Houttuynia cordata, black beans, and dendrobium (200 mesh) for later use.

[0019] Preparation of Additive 2 The formula of the additive is as follows: Coptidis 10%, Honeysuckle 10%, Radix Isatidis 10%, Houttuynia cordata 15%, Black soybean 35%, Dendrobium 20%.

Embodiment 3

[0021] Crush and sieve Coptis chinensis, honeysuckle, Radix isatidis, Houttuynia cordata, black beans, and dendrobium (200 mesh) for later use.

[0022] Preparation of Additive 3 The formulation of the additive is as follows: Coptidis 15%, Honeysuckle 15%, Radix Isatidis 15%, Houttuynia cordata 15%, Black soybean 25%, Dendrobium 15%.

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PUM

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Abstract

The invention belongs to the technical field of aquaculture preparations, and discloses a feed additive for preventing streptococcus agalactiae, being prepared from the following components by mass percent: 10-15 percent of coptis chinensis, 7-15 percent of honeysuckle, 7-15 percent of isatis root, 10-20 percent of Houttuynia cordata, 20-40 percent of black soya bean and 0-20 percent of dendrobe. The additive is added into tilapia feed, has a highest immune protective rate of 95.21 percent for tilapia, and has practical and wide application values; the survival rate of the tilapia is 93.67 percent.

Description

technical field [0001] The invention relates to the technical field of feed additives, in particular to a feed additive for preventing streptococcus agalactiae. Background technique [0002] Streptococcus (Streptococcus spp.) is a Gram-positive bacterium widely distributed in nature. It is one of the important pathogens of humans and is also an important pathogen of other vertebrates including pigs, cattle, fish, etc.; Streptococcus agalactiae is It is considered to be the only streptococcus with group B specific antigen. In recent years, streptococcus agalactiae has infected a variety of seawater and freshwater fish and caused a variety of diseases. Streptococcus agalactiae has been given to tilapia in Asia Aquaculture has caused serious harm; although some medicines and antibiotics are also used to treat Streptococcus agalactiae of tilapia in the prior art, drug resistance and antibiotic abuse caused by long-term use have also caused serious harm to the aquaculture industr...

Claims

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Application Information

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IPC IPC(8): A23K10/30A23K20/00A23K50/80
CPCY02A40/818
Inventor 李国深
Owner 李国深
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