If you want to learn more about training and controlling your Jack Russell, my ebook is bound to save you hours of training trial and error and relieve a lot of stress from the process: The Jack Russell Lover's Ultimate Guide to Training comes complete with a full chapter on mix breeds.
My wife and I are wondering about adopting a Jack Russell puppy. My Sister had a Jack Russell for almost 8 years and he has this thing where he always pees when he gets exited. (Greetings, presented with treats..) Is that a thing that Jack Russells commonly do? Thanks for your response.