Vaccination with UNISTRAIN® PRRS in piglets reduces viraemia and excretion of PRRSV after a heterologous challenge with a Spanish strain

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Vaccination with UNISTRAIN® PRRS in piglets reduces viraemia and excretion of PRRSV after a heterologous challenge with a Spanish strain

The aim of this study was to demonstrate that vaccination of piglets with UNISTRAIN® PRRS controls viraemia and reduces virus shedding after a heterologous PRRSV challenge.

About this article

Appeared in

International PRRS Congress, 2015

Authors

Fenech, M.; Simon-Grifé, M.; Miranda, J.; Roca, M.; March, R.; Sitjà, M.

Summary

Vaccination with UNISTRAIN® PRRS significantly reduced the viral load in sera, the number of viraemic piglets and the length of the viraemia after a heterologous PRRS challenge with a pathogenic Spanish strain. Moreover, vaccination with UNISTRAIN® PRRS significantly reduced the amount of virus excreted, the number of piglets excreting virus and also the duration of viral excretion in saliva after challenge. Therefore, UNISTRAIN® PRRS is a useful tool to reduce the transmission of PRRS virus within and between pig populations.

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