The way to train them using the doggie door is install the door, then temporarily tape up the flap, then you and someone else sit on opposite sides and throw treats calling the dog through. After they get used to going through the doggie doors, put the flap down and repeat the exercise of throwing treats through the door. Some dogs are a little skittish about the flap and you may have to push them through a few times for them to totally get it.
Good luck, hopefully your dogs will be quick learners. |