# Commission Decision of 18 May 2005 authorising methods for grading pig carcases in Hungary (notified under document number C(2005) 1448) (Only the Hungarian text is authentic) (2005/382/EC), Division 3: The lean meat content of carcasses shall be calculated according to the following formula:

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

Ŷ = 58,31147 – 0,62677 × BF + 0,14664 × LD
where:
Ŷ the estimated percentage of lean meat in the carcass,
BF the minimal fat depth (including rind) in millimetres over the M.gluteus medius ,
LD the minimal muscle depth in millimetres between the anterior extremity of the M. gluteus medius and the dorsal part of medullar canal.
This formula shall be valid for carcasses weighing between 50 and 120 kg.

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Source: https://www.legislation.gov.uk/eudn/2005/382/annex/part/III/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2005-382/annex/part-III/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.