Animal feeding stuffs. Methods of sampling and analysis. PFGE typing of Lactobacilli, Pediococci, Enterococci and Bacilli in animal feeds
Animal feeding stuffs. Methods of sampling and analysis. PFGE typing of Lactobacilli, Pediococci, Enterococci and Bacilli in animal feeds
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1 Scope This document specifies a Pulsed Field Gel Electrophoresis (PFGE) methodology for the identification of authorized probiotic strains of Lactobacillus, Pediococcus, Enterococcus and Bacillus. The method can be applied to purified colonies obtained from cultured premixtures and feeds. The method can be used, even in the presence of a significant microbiological background, to verify the presence of microorganisms (strains and declared concentrations) used as feed additives in animal feeding stuffs.
Другие стандарты PD