I have chickens that are 8 weeks old. They are doing well right now. I have 6 total. They are doing fine on dumor starter/grower crumbles but I am almost out. I am looking to see if I am fine to swtich to grower/finisher now and if they make it in a pellet instead of a crumble. The crumble makes a huge mess. I have seen that game bird feed is sold in pellets and a lady at the supply store said it would probably be fine. What are your thoughts on this?