Dogs bark. That' what dogs do. They also eat, sleep, drink, walk(if out of their prison cell) and of course what goes in, must come out. They poo & pee.
Dogs' bark Jack, unless it escaped your attention, that is what dogs do.
Read more about behavior control here.
Jack will have you believe these are necessary because he will tell you his dogs bark.
In fact if the truth be known, they are so damned terrified of a fisting or slapping by him, a torturous torrent of abuse or horrific banging and shaking of cages(their prison cells), many of the Sakorn dogs are scared to communicate with a human, let alone show their views about what is going on around them.
