From: A descriptive analysis of the growth of unrecorded interactions amongst cattle-raising premises in Scotland and their implications for disease spread
Number of holdings within distance of a holding in the largest component
Year
3Â km
10Â km
2009
1,265
3,437
2010
1,413
3,532
2012
3,380
6,691
2013
3,697
10,153
2014
2,356
5,561