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BSI 20/30372728 DC 2020

BSI 20/30372728 DC 2020

$13.70

BS EN 15789. Animal feeding stuffs: Methods of sampling and analysis. Isolation and enumeration of yeast probiotic strains (Saccharomyces cerevisiae)

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BSI 2020 18
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This document defines general rules for the enumeration of Saccharomyces cerevisiae in feeding stuffs (additives, premixtures and compound feeds excluding mineral feeds) that contain Saccharomyces cerevisiae as a single microorganism component or in a mixture with other microorganisms. Applying the method to compound feeds with critical amounts of copper demands a special procedure (see Annex A). The document is not applicable to mineral feeds, which are defined as complementary feeding stuffs composed mainly of minerals and containing at least 40 % crude ash (Regulation R767/2009) [3].

There are different categories of feed samples:

  1. Additives containing about 1010 (colony forming units) CFU/g;

  2. Premixtures containing about 1011 CFU/kg;

  3. Compound feeds, meal or pellets, which contain about 109 CFU/kg.

The detection limit is defined in EN ISO 7218.

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BSI 20/30372728 DC 2020
$13.70