# Commission Implementing Decision of 17 July 2014 authorising methods for grading pig carcases in Sweden and repealing Decision 97/370/EC (notified under document C(2014) 4946) (Only the Swedish text is authentic) (2014/476/EU), Division 3: The lean meat content of the carcass shall be calculated according to the following formula:

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

Y = 68,5549 − 0,5485 × FOM_F1 − 0,26491 × FOM_F2 + 0,0153 × FOM_M
where:
FOM_F1 the thickness of backfat in mm, measured at 8 cm off the midline of the carcass between the third and fourth last lumbar vertebrae.
FOM_F2 the thickness of backfat in mm, measured at 6 cm off the midline of the carcass between the third and fourth last ribs.
FOM_M the thickness of muscle in mm, measured at the same time and in the same place as F2

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Source: https://www.legislation.gov.uk/eudn/2014/476/annex/part/IV/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2014-476/annex/part-IV/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.