Well, it depends on the musher himself (or herself). If he or she is really interested in mushing, he will most probably will not be mean to his dogs. If he is completely not interested, he will...
When the owner say "Dog you out" they want the dog to go outside, or out of the room that they are not supose to be in or the owner is in there and does not want the dog in that room. That is why the...