preamble_257
Council Directive 80/217/EEC of 22 January 1980 introducing Community measures for the control of classical swine fever · European Union
- if one or more animals show a titre against SF virus that is equal to or higher than its titre to BVD virus, swine fever shall be confirmed;
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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.