When my chicks were young, I started them on medicated feed, then went to commercial chick starter/grower feed. They are now almost 9 weeks old and enjoying multi-flock feed. When they are larger and older I want to free range them. I would also like them to be organic and I am regretting not starting them this way in the first place. If at some point I switch them over to organic feed once they start free ranging, would I be allowed to say that they are organic? I would wait several weeks after the switch before dubbing them so in order for them to "detox" so to speak. Thoughts?