I prepackage and label a weeks (or however long) worth of 'food in ziploc freezer bags and take it to the boarder, caretaker, kennel, etc. and say "Hey, this is what he eats, the labels say what day/time to feed it." and they do it. Call ahead and make sure they will accomodate raw meat if you're feeding raw. If it's homecooked and not containing bacteria there's no reason for them not to accept it. I've only found issues dealing with raw.