preamble_230

Council Directive 80/217/EEC of 22 January 1980 introducing Community measures for the control of classical swine fever · European Union

The test is based on the microplaque counting method. A stock of virus is titrated in cell cultures in the presence of an equal volume of a 1/20 dilution of serum. At least two monolayer cultures are required for each log10 dilution of virus suspension.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-09 · Text as adopted (Official Journal); later amendments are not incorporated in this text.