Division 3 The lean meat content of the carcass shall be calculated according to the following formula:F1
United Kingdom
where:
Ŷ S M
the estimated percentage of lean meat in the carcass,
the thickness of back-fat (including rind) in millimetres, measured at 7 centimetres from the midline of the carcass, between the third and fourth last ribs,
the thickness of muscle in millimetres, measured at the same time and in the same place as S.
This formula shall be valid for carcasses weighing between 60 and 120 kilograms.