Table 3.

Populations of livestock in Scotland transformed by the number of livestock units assigned to that species by Nix (23).

Species	Population	Population livestock units	Mean livestock units per head	Transformed population (${Pop}_i^T$)
Cattle	1,755,318	1,125,158.84	0.641	1,060.7
Horses	100,000	80,000	0.800	282.8
Pigs	316,736	60,179.84	0.190	245.3
Poultry	14,541,621	101,791.347	0.007	319.0
Sheep	6,593,410	402,198.01	0.061	634.2