I was trying to say that but didn't know how to put it, so I put 'variables' meaning the amount of people - oops!
Ahhh right, now I get it. So it's just the vacinations - all these big words to understand
I'll check up on emails in a mo, thanks Pete.
As a rule are handlers honest about the their dogs abilities and their limitations if asked, or is this something you learn over time?
Sorry to keep posting messages - I've entered a big and somewhat scary world!