# 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 8: Results of a collaborative study

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

An EC collaborative study was arranged in which four samples of poultry and rabbit feed, in meal or pelleted form were analysed by 12 laboratories. Duplicate analyses were performed on each sample. The results are given in the table below:
Poultry
Rabbit
Meal
Pellet
Meal
Pellet
Mean [mg/kg]
27,0
27,99
43,6
40,1
sr [mg/kg]
1,46
1,26
1,44
1,66
CVr [%]
5,4
4,5
3,3
4,1
SR [mg/kg]
4,36
3,36
4,61
3,91
CVR [%]
16,1
12,0
10,6
9,7
Recovery [%]
90,0
93,3
87,2
80,2
sr standard deviation of repeatability,
CVr coefficient of variation of repeatability, %
SR standard deviation of reproducibility,
CVR coefficient of variation of reproducibility. %

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Source: https://www.legislation.gov.uk/eur/2009/152/annex/IV/division/E/division/8 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-IV/division-E/division-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.