Like i've said before, i really dont understand why anyone would want a dog to guard other dogs... The whole cost, time and effort is staggering to guard a few working dogs in your yard.
Unless the guard dogs wellfare is way down on your priority stakes, just leave it in or worse on a chain an the poor bugger lives an altogether miserable life. No, you take old Rover out, excercise him daily, train him well, socialise him at every given opportunity for the next ten plus years... Is this your dog? Well then why dont you simply buy an alarm and dedicate all that time to the working dogs that yo