Join Date: Aug 2009
Location: secret mountain valley
This is the season for lice- and they are species specific so you don't need to worry about them getting on you, or your chickens or vice versa. Some lice powder will clear them up, and wash the blanket. The sores sound like blanket rubs with them being in the same place on both sides. It is likely that the lack of energy is more due to him being out of work for a couple of months than parasites. If you are still unsure, capture the little nasties and put some in a bag and take to the vet for positive ID.