Tredoux Border Terriers Forum complete feed http://www.tredouxborderterriers.com Discussion from Tredoux Border Terriers - CKC Border Terrier puppies for sale. Located in Gibsons on the Sunshine Coast of British Columbia Canada. en-us Copyright (c) 2006-2007 Tredoux Border Terriers web@www.tredouxborderterriers.com Border aggressiveness http://www.tredouxborderterriers.com/forum/index.php?action=view&id=1 I have had a border terrier for 4 years and still have a problem training him as far as aggression goes. he is fine with some children... but not others. He is insane when someone comes to the door and hates it when someone leaves.. Goes to bite them. I have had him in obedience classes, kept him on the leash but to no avail. What are my options as far as futher training goes?