preamble_212

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

(b) fluorescein conjugated immunoglobulin prepared from swine fever hyperimmune pig serum as specified under (a) shall have a minimum working titre of 1/20 as determined in swine fever infected cell cultures and confirmed by check tests on tissue sections. The working dilution of the conjugate shall combine a maximum of brilliance with a minimum of background staining;

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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.