Riemerella anatipestifer (RA) and application thereof

A technology of Riemerella and Merella anatipestifer, which is applied in the direction of bacteria, antibacterial drugs, bacterial antigen components, etc., can solve the problems of reduced feed conversion rate, indirect economic losses, harm to animals, drug residues, etc., and achieve good market promotion foreground effect

Active Publication Date: 2013-04-03
QINGDAO VLAND BIOTECH INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology helps protect against bacterial or viruses that cause diseases like rheumatoid arthritis (RA) from being transmitted through blood vessels called Bruch's spleen when they are bitten into horseshoe cows during production. It also prevents damage caused by other animals such as dogs and peoples who come across them while feeding their young cattle.

Problems solved by technology

This patented technical problem addressed in this patents relating to rheumatic fever-like syndrome describes various factors involved during its development process including genetic variations between individuals due to differences in virus production levels among populations within specific geographies around the world. These issues may lead to increased susceptibility towards antiquity medications like quaternary ammonium sulfate solution used alone or combined therapy involving multiple treatments.

Method used

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  • Riemerella anatipestifer (RA) and application thereof
  • Riemerella anatipestifer (RA) and application thereof
  • Riemerella anatipestifer (RA) and application thereof

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Embodiment Construction

[0008] The present invention isolates and identifies the pathogens of dead ducks suspected of Riemerella anatipestifer in Shandong, Guangdong, Fujian, Guangxi and other places, and obtains 38 strains of pathogenic strains of Riemerella anatipestifer, and their serotype identification shows that there are 7 strains were serotype 2; animal regression and virulence tests showed that RA BYT06 strain was the most virulent, and could cause 10 / 10 ducks to become sick and 5 of them died; the results of immunogenicity test showed that when the immunization dose was 0.25mL ( Antigen content reaches 1.0×10 8 CFU / mL), the virus attack protection can reach 9 / 10. The above results show that a strain of Riemerella anatipestifer serotype 2 was screened, which has the strongest pathogenicity, good immunogenicity, and good protection effect of the prepared oil seedlings. It was determined as a production strain. It was deposited in the General Microbiology Center of the China Microbiological C...

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Abstract

The invention relates to riemerella anatipestifer (RA). The collection number of the RA is CGMCC No.6832. The RA is used for preparing an RA inactivated vaccine. The prepared vaccine can prevent occurrence of infectious serositis of duck characterized by neurological symptom, fibrinous pericarditis, perihepatitis and air sacculitis. The number of RA 6832 in the inactivated vaccine is not less than 1*10<8>CFU/mL. The RA obtained by screening has high pathogenicity. The vaccine prepared from the RA can prevent occurrence of infectious serositis of duck characterized by neurological symptom, fibrinous pericarditis, perihepatitis and air sacculitis, and has good market promotion prospects.

Description

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Claims

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Application Information

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Owner QINGDAO VLAND BIOTECH INC
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