I'm wondering how big a crate you have her in? Maybe she needs a smaller crate so she doesn't go in the crate. Have you read much online about crate training? There are some really helpful sites - although, I have never had the puppy mill issue addressed - perhaps that is addressed out there.
I think you might be onto something though, if indeed she was raised in a cage or crate.
Is she using her pad when she is in the play yard? If she is, then maybe you should be placing her in their at night too.
Maybe someone else will have more experience with this |