https://www.vetnurse.co.uk/f/nonclinical-discussions/31714/advice-re-introducing-new-puppy-to-older-dogs Hi So I&#39;m currently fostering a 6 month old puppy who&#39;s in recovery after having surgery to fix fractures in both hindlegs. She&#39;s on strict cage rest for the next 5 weeks. I also have 3 other dogs - 2 aged 12 and 1 aged 5. Unsurprisingly we&#39;ve fallenen-USTelligent Community 10https://www.vetnurse.co.uk/thread/174914?ContentTypeID=1Tue, 09 Jul 2019 15:59:05 GMT1a0763ec-3885-442c-853e-6cef656dfec5:c3882491-2fde-4201-b839-13a7d5c6b6aeAbby Stuchbury<p>My old boy has raised about 6 puppies over his lifetime. He has taught most of them the best manners. However i moved out of my parents house and took him with me and he turned into a completely different dog. He became really playful and more interactive with me. Then i realised that he had become a bit miserable with all the young dogs around. Now when i take him back to the family home he just sits in his bed. Personally i have made the decision to not bring any more puppies into our house.</p> <p>Obviously this is only what i have found personally with my dog, could be that he&#39;s just a bit asocial :p, maybe your dogs have a different character?</p><div style="clear:both;"></div>