Thank you both.
And I have a few more questions (at least for now)....I have a couple rats that were supposed to be feeders for this week, but I noticed a couple of those nasty little pimple looking things on their ears. Those ones have not been treated with anything yet. Is it safe to give to my snakes? Or what if I freeze them and then thaw and feed? Would that be better? Or should I just wait until they've been treated and are completely better?