I have a 8week old Leghorn Pullet who is healthy and developing normally. I noticed about a week ago she seemed a bit hoarse when I picked her up and she began chirping loudly. Over the past few days she has grow increaseingly worse- now even her "soft chirps" she uses to communicate with others is hoarse. She sneezes on occations- they are very soft, single sneezes. Other than that, there are no problems- food and water intake is good, normal poop, normal activity. She spends her days flying around the coop, climbing up the poles I put in for her to roost on, and harrasing the dogs outside the coop by chirping at them. The only thing I could think of that would cause those symptoms would be Newcastle, but I thought I would get the option of someone with more experince. Anyone have any ideas of what it is or what I can do to treat it?