I have a lot of flies. We have horses and lots of manure or at least I am using that as my excuse for having so many flies around. My toddler and I like to swat them and feed them to the chicks who love them. I am pretty sure all of these flies are home bred chemical free (organic!) flies. The chicks have been getting starter as well as chick grit (free choice). Can I assume the flies are an okay treat? When we hold them to pet them they already are perking up and trying to catch their own!