Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Dog Misc. Behavior Problems and other Dog topics.
Dogs that would normally be friendly can become aggressive once on a leash. This is due to a heightened territorial sense. As tension on the lead increases so does the emotional tension felt by your dog and the chance of an aggressive encounter. Owners can avoid adding to the problem by training a reliable heel or even sit/stay & using the command when approaching dogs, people, or other animals on walks.
In addition, it always helps to socialize your dog around canines as often as possible, both on leash and off.