The simple answer is never.
However, what do you use as a rule to determine if the dog is trained
in a particular exercise?
My own choice is to turn my back on the dog and give him commands. If he obeys easily, then I know he fully understands what I want.
It's way to easy to give visual cues to the dog without knowing it. Many dogs will rely on these cues to the point of not truely "understanding" the vocal command.
However, what do you use as a rule to determine if the dog is trained
in a particular exercise?
My own choice is to turn my back on the dog and give him commands. If he obeys easily, then I know he fully understands what I want.
It's way to easy to give visual cues to the dog without knowing it. Many dogs will rely on these cues to the point of not truely "understanding" the vocal command.