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What's the best way to introduce a new dog to existing dogs?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 1 month and 14 days old | 68 lbs

I am bringing Pete home next week, but I still have to introduce him to my two other dogs. My other dogs are an eight year old fixed female lab and a two year old fixed female lab. The two year old hasn’t been socialized much. What would be the best way to introduce them? One dog at a time? After taking the existing dogs for a walk? I plan on doing it in the neighbors front yard so that my dogs are less territorial. Any tips or tricks to help me out?

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4 Answers

Most Helpful Answer

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Answered By C. Rathjens, DVM

Veterinarian

Published on February 20th, 2018

I would recommend walking your two current dogs for a big long walk (30-60+ minutes) to get them tired out a bit. And then having them meet Pete out in your neighborhood at the end of your walk. One person should have your two older dogs, and one person should be walking Pete. Start out walking parallel on either side of the road and slowly get closer and closer over 10-15 minutes until they are walking next to each other. Don't actually encourage them to interact, just walk and distract them with treats if they seem overly interested in the puppy. End your walk at home and take them all inside. If they show a lot of interest in the pup, use treats to distract them or separate them. Keep allowing them to interact while supervised until you are comfortable with their interactions. Good luck and enjoy your new pup! Let me know if this was helpful information and thanks for using Petco Pet Education Center, formerly Petcoach!

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    Answered By Jeffrey Milner

    Veterinarian

    Published on June 11th, 2017

    This is difficult to predict. I would recommend setting up a meet and greet first in a neutral location. The dogs should be introduced to one another both on leash so they can be adequately controlled in case something should happen. Let them smell one another and get a sense of one another. If they are behaving well, they should both be rewarded with treats and praise. If you do decide to take the other dogs on, they should not be simply thrown into the same area together. I would integrate them slowly and carefully, particularly since one of them is old. In some cases, dogs can be extremely accepting of any newcomers which is great. However, you shouldn't bank on it and should instead handle things methodically and slowly to encourage the best possible outcome. Hope this helps. Let me know if I can assist in any other way.

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    Answered By Rodrigo Roca, DVM

    Veterinarian

    Published on February 23rd, 2019

    Hello, sorry to hear about Isabella. There are a couple factors that may influence this, but here are some steps you may take to begin to condition Isabella to meet new dogs. Hope this helps and best of luck. 1. Slow introduction on neutral territory • Allow them to view one another from afar, such as on a walk or at a park or friend’s house, and make this a positive situation. • Don’t let them run up to one another right away. Introducing pets too quickly can often lead to miscommunication. • They often determine their hierarchy relatively quickly, and a new puppy introduced on an older dog’s territory can make for a negative interaction. • Your older dog might be territorial and not respond well to the new introduction on his home turf. 2. Make it a positive experience. • Give them lots of treats, play games that they enjoy, and give them praise. • Allow them to interact with your full attention, and praise each of them for interacting with one another positively. • Introduce food and treats when they show calm and relaxed behavior, and they will begin to associate one another with a positive environment. 3. Keep it Controlled • Monitor the body language of both dogs and watch for impending fear or aggression. By watching the interactions between your pets, you can be aware of impending problems and prevent potentially dangerous interactions. • Do one introduction at a time if multiple dogs are involved. At first, your pets should not be allowed to interact without your supervision. • A useful technique is to have both dogs on a leash with one adult per dog. If you know that your dog might be possessive of its own toys, do not use them during these interactions. 4. A Little Bit at a Time • Short play times and breaks will help keep the experience more positive and prevent overwhelming them. • Allow them to play as long as they seem to be interacting well, without fear or aggression, and take the time to separate them for short breaks. • If you are seeing signs of aggression such as growling, bared teeth or raised back fur, give the dogs a break from each other

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    Answered By Jenna Beyer, DVM, MBA, cVMA

    Veterinarian, Certified Veterinary Acupuncturist

    Published on October 24th, 2017

    It can be very difficult to guess if new dogs will get along. I always recommend discussing with the adoption group if you can have a trial period to test the dogs together for compatibility. Meeting on neutral ground is always a good idea. Go to a park (preferably NOT a dog park with other strange dogs around) or other semi-private area that does not belong to either dog. Keep both on a leash and let them see each other. If there are no signs of aggression (lunging, lip licking, raised fur, rigid tail, etc) then get closer and see how they get along. Here is some more information: https://www.petcoach.co/article/5-tips-to-introduce-a-puppy-or-dog-to-your-older-dog/

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