Hi,
I have a 2 1/2 year old female desexed Rotti X Ridgeback. She is well trained but an anxious dog who is nervous in new areas. She growls at people when she is in the car, or when she is out the front and people are passing, she even growls at people who come over and talk to me while out walking. She doesn't growl all the time, but it seems to be getting worse. Her growl is low and continuous. What can I do?