I got them in the fall, they were probably 3 months at that point.
I never thought of niacin, Ive only ever encountered issues in ducklings.
I may quarantine her, and add some nutritional yearst to her diet. Keep you posted Miss Lydia! Looking through some other threads, I was fairly confident...
There was another post about 2 yrs ago, which seemed to be someone experiencing the exact same thing with their muskovies. There was no conclusion to that post.
This would be the second duck, from the same batch I got last fall, that goes lame in this way.
The other one declined much faster and...