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PURITY TESTING OF ARRIAH FMD VACCINES

Abstract

The paper demonstrates results of FMD vaccine testing for their inability to induce antibodies to FMD virus non-structural proteins (FMDV NSP antibodies) in cattle at different dates post vaccination. Subtype A, O, Asia-1 and SAT-2 cultural FMD virus replicated in baby hamster kidney suspension culture (ВНК-21/2-17) was used for vaccine production. FMDV antigen was inactivated with aminoethyl ethylenimine solution, and the suspension was subsequently purified. Non NSP-purified preparation was made to simulate presence of NSPs in the vaccine. ELISA test-kits were used for testing cattle sera collected before and after immunization for presence of 3ABC polyprotein-specific antibodies. Inoculation of cattle with non-purified preparation induced antibodies specific to FMDV NSPs in 87.5% animals on day 30, in 75% animals on day 44 and in 62.5% animals on day 132 post third immunization. All tested vaccines manufactured by the FGBI “ARRIAH” were demonstrated to induce no FMDV NSP antibodies suggesting their complete removal from the virus-containing suspension.

About the Authors

D. A. Lozovoy
FGBI "ARRIAH", Vladimir
Russian Federation


D. V. Mikhalishin
FGBI "ARRIAH", Vladimir
Russian Federation


V. A. Starikov
FGBI "ARRIAH", Vladimir
Russian Federation


M. I. Doronin
FGBI "ARRIAH", Vladimir
Russian Federation


A. S. Sharypov
FGBI "ARRIAH", Vladimir
Russian Federation


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Review

For citations:


Lozovoy D.A., Mikhalishin D.V., Starikov V.A., Doronin M.I., Sharypov A.S. PURITY TESTING OF ARRIAH FMD VACCINES. Veterinary Science Today. 2017;(3):6-12. (In Russ.)

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ISSN 2304-196X (Print)
ISSN 2658-6959 (Online)