an adjustment for your resident dog. consider your present dog's needs first. a senior dog may not take well to a new puppy. supervision and observation are key to bringing two dogs together.
choose a neutral area for your dogs to meet. find a place with little distraction and ask a friend to help. walk your resident dog on a leash and have your friend bring your new dog up to you on a leash.
give the dogs a chance to smell each other. begin to walk with the two dogs. talk to them in an enthusiastic voice. with your friend still walking your new dog, walk into your yard. let them 