# 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 7.2: Reproducibility

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

The results for between laboratory standard deviation by the abovementioned intercomparison are given in the table below:
Between Laboratory Standard Deviation (SR) in g/kg
nNumber of participating laboratories.
Reference material
Amino Acid
Threonine
Cyst(e)ine
Methionine
Lysine
Mixed Pig Feed
0,28
n = 15
0,3
n = 17
0,23
n = 17
0,3
n = 13
Broiler Compound
0,48
n = 16
0,34
n = 18
0,55
n = 18
0,75
n = 16
Protein Concentrate
0,85
n = 16
0,62
n = 17
1,57
n = 17
1,24
n = 15
Premixture
2,49
n = 16
—
6,2
n = 16
6,62
n = 16
Coefficient of Variation (%) for Between Laboratory Standard Deviation (SR)
nNumber of participating laboratories.
Reference material
Amino Acid
Threonine
Cyst(e)ine
Methionine
Lysine
Mixed Pig Feed
4,1
n = 15
9,9
n = 17
7,0
n = 17
3,2
n = 13
Broiler Compound
5,2
n = 16
8,8
n = 18
10,9
n = 18
5,4
n = 16
Protein Concentrate
3,8
n = 16
12,3
n = 17
13,0
n = 17
3,0
n = 15
Premixture
4,3
n = 16
—
6,9
n = 16
6,7
n = 16

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/III/division/F/division/7/division/7.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-III/division-F/division-7/division-7.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.