[yorkieusa]

I wouldn't start changing his food right away. The stress of a new home is enough change for the time being. If he does ok for a few days and there are no problems, then you can start adding a few bites of your new food a little more at a time. Just a gradual transition to the new food. I haven't read all of the replies here, but I'm certain someone has advised you to have Nutracal on hand just in case.