Duck Hoarse -- Day 6

[KatGold]

Greetings all!

Six days ago, one of my 2-year-old Khaki Campbells appears to have picked up an upper respiratory infection. She had a low, hoarse quack.

My chickens and ducks live together and we have never had problems, but I know that some illnesses that a duck can shake off easily may kill the chickens. So, removed her immediately and began a round of Tylan-50.

She has been silent all week, but last night I finally heard her quack again. She still has a raspy, horse quack. She almost sounds like a drake. If my memory serves, it is a better sounding quack than 6 days ago, but it is still all wrong.

Any ideas on how I should proceed? What might be ailing her? I'm clueless.

Thanks.

 

[KatGold]

I should have mentioned that I've read up on Newcastle disease. She does not seem to have mucus discharge from the nose, difficulty breathing, inflammation of the face, or trembling and involuntary twisting of the neck, so I have written his off.

The other sign of Newcastle is immobility. I cannot really give an opinion on this. She's in a crate and doesn't have much space to be mobile.