# 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 9: Results of a collaborative study

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

Premix
Premix feed
Mineral concentrate
Protein feed
Piglet
L
12
12
12
12
12
n
48
48
48
48
48
mean [mg/kg]
17 380
1 187
926
315
61,3
Sr [mg/kg]
384
45,3
25,2
13,0
2,3
r [mg/kg]
1 075
126,8
70,6
36,4
6,4
CVr [%]
2,2
3,8
2,7
4,1
3,8
SR [mg/kg]
830
65,0
55,5
18,9
7,8
R [mg/kg]
2 324
182,0
155,4
52,9
21,8
CVR [%]
4,8
5,5
6,0
6,0
12,7
Lnumber of laboratories
nnumber of single values
sr standard deviation of repeatability
sR standard deviation of reproducibility
rrepeatability
Rreproducibility
CVr coefficient of variation of repeatability
CVR coefficient of variation of reproducibility

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/B/division/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-B/division-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.