Welcome to the Forum. It sounds as though this 'protectiveness' has been going on a long time. I agree that probably it would be best to get help from a behaviorist but make sure that they have experience of Basenjis. In the meantime keep him away from your guests. It's possible that he's stirred up by the excitement so it's best to try to keep him calm when people are around.
Hello and welcome…Manning is so cute...we are in Knoxville also, we have a B named Jojo and she is 11yr, we adopted her from BRAT this past February...again welcome (I wonder where you got the name "Manning"?hummmm...)
