The animal health officer - not a vet - came yesterday. One simple form listing the eartags to match with blood sample. She was very quick , great with the sheep, and explained everthing

. It is to keep Britain's status as 'disease-free'. She needed 20 samples, preferably from breeding ewes.
Whilst they were penned in, we did our Heptavac jabs, and Crovected them all, so I worried for nothing - unless of course we are the first in the country to contract the disease