My week old chicks look completely healthy and are doing great so far! All four are growing extremely fast and super active! However I noticed a few red droppings in their brooder and outside of it (they recently learnt how to jump out). It's a normal poop, not foamy or liquid, with some red in it. Should I get some medicated feed? They are on nutrena naturewise 18% starter growers crumbles, non medicated. I have a better example but my family cleaned it away before I got to take a picture, but here is one.