1. Type of bird: Coronation Sussex hen, 5 months old, normal weight 2. Behavior: Labored breathing. Somewhat lethargic. See videos (or links if videos don't work) below. 3. Length of Symptoms: 3 days 4. No other birds show symptoms. 5. No trauma. 6. History: The first day she sneezed. The second and third, the noisy labored breathing. No discharge from beak, mouth looks clean. 7. Eating and drinking normally: starter/grower, harvested greens (dandelions, chard, occasional freshly cut grass), fallen fruit, scrambled egg with cheese. 8. Feces normal. 9. Treatment: Isolation. Scrambled egg (not her usual food). Heat lamp (and space away from it) because it got colder this week. 10. Intent of treatment: Will treat myself. I want to know if it's identifiable and transmissible, if there is anything I can do or if she needs to be culled, and if/when I can put her back with the flock. 11. Video links below. 12. Housing: 8 x 16 foot coop, dirt floor with deep chopped leaves for bedding 30 x 50 foot partly grassed yard 8 x 12 fully-enclosed chain-link run (in use by younger chicks at the moment) Many thanks in advance.