Below are photos of specific signs of highly-contagious illnesses in poultry, including avian influenza and virulent Newcastle disease. For a full list of potential signs of illness click here. Roll over the photos to see captions. Click on the images to see larger versions or a slide show.
If you see these signs of illness in your birds, report them immediately to USDA APHIS at 1–866–536–7593. You can also contact your local cooperative extension office, local veterinarian or your State Veterinarian.