Bacillus atrophaeus, and preparation and application of bacillus atrophaeus

A technology of Bacillus atrophaeus and microbial preparations, applied in the field of aquatic application microorganisms, can solve the problems of lagging disease control technology, restricting the healthy and sustainable development of the industry, and economic losses, etc., and achieve the effects of fast reproduction, ensuring food safety, and reducing drug residues
CN102559533AInactive Publication Date: 2012-07-11YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
Publication Date
2012-07-11
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a bacillus atrophaeus strain Aj080319IA-12. The bacillus atrophaeus strain is characterized by being separated from an intestinal tract of a wild stichopus japonicus selenka and collected in China Center for Type Culture Collection (CCTCC) along with a collection number of CCTCC M 2010316. The screened bacillus atrophaeus has remarkable antagonistic action on pathogenic bacteria of a sea cucumber, and has the effects of increasing the growth speed, immunity and intestinal digestive enzyme activity of the stichopus japonicus selenka. The screened bacillus atrophaeus is indigenous bacterium screened from the intestinal tract of the sea cucumber, which is safe and non-toxic for the sea cucumber, fast in breeding speed, easy to culture and strong in adaptability on environment, and is capable of being bred quickly to form predominant bacteria. A microbiological preparation, as a feed additive, can increase the specific growth rate of the sea cucumber, reduce the death rate of the sea cucumber, improve the immunity of the sea cucumber and the digestive enzyme activity of the intestinal tract, and improve the disease resistance of the sea cucumber at the same time, so that the preparation achieves the effects of resisting bacteria, immunizing and promoting growth, and is capable of reducing and replacing the use of antibiotics.
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Description

technical field

[0001] The invention relates to the technical field of aquatic application microorganisms, in particular to a bacillus atrophaeus and the production of microbial preparations using the bacillus atrophaeus as well as its preparation method and application. Background technique

[0002] Intestinal probiotics are a live bacterial preparation that mostly originates from the digestive tract and acts on the digestive tract. It can effectively supplement the beneficial microorganisms in the digestive tract of animals, inhibit the growth of pathogenic bacteria, improve the balance of digestive tract flora, and improve the immune function of aquatic animals. or growth rate.

[0003] Sea cucumber (Apostichopus japonicus Liao, also known as sea cucumber), belongs to invertebrates, Echinodermata, sea cucumber class, and sea cucumber genus. Because of its high nutritional value, the scale of cultivation continues to expand, and it has developed into one of the largest ma...

Claims

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