http://www.legislation.gov.uk/id/ssi/2010/273

SCHEDULE 4LIVESTOCK UNITS AND STOCKING DENSITY

PART IICALCULATION OF STOCKING DENSITY

The stocking density is calculated in accordance with the formula—

S = \frac{K}{L}

Where—

S is the stocking density (to two decimal places);
K is the total LFASS Livestock Units calculated in accordance with part I of this Schedule;
L is the total number of hectares comprising the historic land area.