Jax - thank you for your reply.
I'm currently looking for a trainer in my local area, but finding it difficult to choose which one to go with, without recommendation (only just moved to the area).
What I can't grasp is that he was at a kennels socialising with many dogs, without any sign of aggression just over a week ago. The kennels we got him from said there was never any issues with his fellow canine friends. I wanted to ask if u think it might be a protecting issue... He is extremely attached to us already, if me or my partner leave the house, he will cry and wait by the door until I/my partner returns. We haven't left him alone for even a second as he gets very upset.
Thanks again for your advice!
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