Yes you can, no reason not to unless you want to try for frozen/thawed. Snakes accustomed to eating live are often very difficult to switch over to frozen.

Did this pet store give you most of the information that you have on ball python care? You may want to give our ball python care sheet a look.. and if you have any more questions, don't hesitate to ask!

Here's the care sheet: http://www.ball-pythons.net/modules....warticle&id=52