Thankyou tuffty, might give some stables a visit and have a look about. I never seem to come across any rats whilst out on walks, I regularly visit LV parks but I suppose I'm not looking in the right places! I use to breed rats for snake food a little while back and she's had some of them that got out in the shed but she don't seem to shake them when she catches them, it's more of a crunch with the jaws then a little sniff.