I noticed that at least one of my chicks has some sort of growths on her feet. Not sure if it is bumble foot or something else. I have three chicks that are just over one weak old. I first noticed that her back toes were a little stubby with no claw. I thought she had clumps of chick poo on her feet. After washing her feet the "growths" are still there. What could this be and is there anything I can do about it?