Originally Posted by Roadster4Us

A lot of dogs dig due to boredom and not enough exercise. Nismo would need a decent amount of exercise every day. If you don't have the time to take her on some decent walks or take her to a field to run hard everyday, a treadmill would definitely help.

Other than that you really need to be outside with her anytime she is out so that you can watch and then correct the behavior.

Is the hole digging in just one spot or all over? If it's in one place, get a bag of gravel/stones, fill the hole part way and then cover with dirt. She won't like it when she starts digging into the gravel.

Good luck...