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Reverse plaque formation method for titration of non-cytopathogenic bovine viral diarrhea-mucosal disease virus.

Authors: O, Itoh; H, Sasaki; T, Hanaki;

Reverse plaque formation method for titration of non-cytopathogenic bovine viral diarrhea-mucosal disease virus.

Abstract

The reverse plaque formation (RPF) method with a semi-micro plate was applied to the titration of a non-cytopathogenic (non-CP) strain of bovine viral diarrhea-mucosal disease (BVD-MD) virus. All the five non-CP strains used in this experiment formed reverse plaques (RP) on bovine testicle cell culture under methyl cellulose overlay. The RPF was inhibited by the pretreatment of a non-CP virus strain with immune rabbit serum to a reference strain. The specificity of the RPF method was demonstrated by the linear test and Poisson distribution test. Comparative titration of commercial BVD-MD vaccines was carried out by the semi-micro RPF method and the tube method based on the exaltation on Newcastle disease virus. The virus titer obtained by the former was slightly higher than that obtained by the latter. The former was proved to be a method of high sensitivity for determining non-CP virus.

Keywords

Male, Diarrhea Viruses, Bovine Viral, Swine, Viral Vaccines, Viral Plaque Assay, Vaccines, Attenuated, Japan, Pestivirus, Testis, Animals, Cattle, Cells, Cultured

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Found an issue? Give us feedback
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
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