# Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed (Text with EEA relevance), Division 7: Evaluation of the method

Extent: E+W+S+N.I.

The method has been tested in an intercomparison made at international level in 1990 using four different feed (mixed pig feed, broiler compound, protein concentrate, premixture). The results, after elimination of outliers, of mean and standard deviation are given in the tables in this point:
Means in g/kg
nNumber of participating laboratories.
Reference material
Amino Acid
Threonine
Cyst(e)ine
Methionine
Lysine
Mixed Pig Feed
6,94
n = 15
3,01
n = 17
3,27
n = 17
9,55
n = 13
Broiler Compound
9,31
n = 16
3,92
n = 18
5,08
n = 18
13,93
n = 16
Protein Concentrate
22,32
n = 16
5,06
n = 17
12,01
n = 17
47,74
n = 15
Premixture
58,42
N = 16
—
90,21
n = 16
98,03
n = 16

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/III/division/F/division/7 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-III/division-F/division-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.