# Commission Decision of 22 February 2008 authorising methods for grading pig carcases in Romania (notified under document number C(2008) 676) (Only the Romanian text is authentic) (2008/169/EC), Division 3: The lean meat content of the carcasses shall be calculated using the following formula:

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

Ŷ = 61,21920 – 0,77665 * X1 + 0,15239 * X2
where:
Ŷ the estimated percentage of lean meat in the carcasse
X1 thickness of fat, including rind, in millimetres, measured at 7 cm from the midline, between the third and fourth last rib
X2 thickness of the muscle in millimetres, measured at 7 cm from the midline, between the third and fourth last rib
This formula shall be valid for carcasses weighing between 50 and 120 kilograms.

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Source: https://www.legislation.gov.uk/eudn/2008/169/annex/part/2/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2008-169/annex/part-2/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.