JOSEPH SHAWCROFT

Hello, hoping for some tools to use with my 2 year old cattle dog/shepherd mix dog. He is obsessed and aggressive with my four year old son. Whenever they are in the same room together, our dog runs over to our son, blocks his movement, puts his face next to our son’s face and growls and sometimes snarls. Our dog has nipped our son a few times on the hands, no broken skin. I realize this is somewhat herding behavior but the level of obsession and aggressive behavior is concerning. Can this be trained out and if so, what do we do? Thanks in advance.