# 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
13
12
13
12
13
n
48
45
47
46
49
mean [IU/kg]
17,02 x 106
1,21 x 106
537 100
151 800
18 070
Sr [IU/kg]
0,51 x 106
0,039 x 106
22 080
12 280
682
r [IU/kg]
1,43 x 106
0,109 x 106
61 824
34 384
1 910
CVr[%]
3,0
3,5
4,1
8,1
3,8
SR [IU/kg]
1,36 x 106
0,069 x 106
46 300
23 060
3 614
R [IU/kg]
3,81 x 106
0,193 x 106
129 640
64 568
10 119
CVR [%]
8,0
6,2
8,6
15
20
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/A/division/9 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-A/division-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.