I Frontlined our 2 on the monday, before we went up on saturday. Not a tick in sight. Maybe just lucky, but our other dogs always got them on our forays to Coniston. Do you use Peter for your Vet'? I got one of those tick tweezers off him a couple of years ago, never used it, but took it as a precaution anyway. With Frontline, it does state on the box how long it lasts. I only tend to use it twice over the flea season. My Lord, am I tickling at the thought of all the little creepies
Have a read at the previous posts to see if you can get some info' that might help you.Lynn