Can anyone tell me some of the reasons/potential diseases that would cause what appears to be stunted growth? We have a Wheaten Maran chick that hatched a little smaller than the others out of a normal sized egg but has barely grown since. They are about 10 days old now and it is half the size of the others. (The feeding picture is at 10 days. The other is at 6 days) It is much more mellow than the other chicks and seems to nap more but otherwise eats, drinks, etc. It is not an issue of access to the food. Does a type of dwarfism exist in poultry? Thanks for any insight.