I'm currently feeding with Purina Duck Pellets (which i think has enough niacin in it) with some veggies or mealworms time to time. Should I add in more seeds with niacin in it? I forgot to mention shes almost an adult, and I think since she's still growing you're probably right.
So my Black Swedish duckling has been shaking for around a week now, and I have just noticed that she's been huffing and panting a lot. I am thinking it's niacin deficiency or dehydration, but I am not sure. She has lots of access to water and aware of where it is but still seems dehydrated, and...