Lethargic, loosing weight, and green runny poo
If the bugs were mites, they can definitely kill a chicken with anemia. But lice are more of a nuisance, making them itch, but can't cause C. perfringens. He could have that, but it is in the soil. How does his crop feel--is it empty or full and puffy? If you have a vet that would look at a few of his droppings, you may be able to check for cocci, worms, and do a bacterial gram stain for C. perfringens. Many antibiotics will treat that if you can get them from a feed store.
Disseminated visceral neoplasia.
Lesions are suggestive of avian leukosis that is most likely caused by avian retrovirus."
As far as I understand it mimics Mareks but is not spread throuough dander but Mites or Lice such as I saw severely on my rooster before he died. Very hard to see lice and eggs on white fluffy silkie rooster btw. I will post awebsite I was reading about Avien Leukosis. Please anyone that understands this report differently please let me know.
Edited by Justplainchickn - 3/19/16 at 12:44am