Ducklings and niacin

[miamaefarms]

I read that ducklings need niacin or brewers yeast. At what age should I start feeding them that?

 

[miamaefarms]

And how much should I feed them?

 

[TLWR]

as soon as you get them.
If using niacin tablets, you can use a half of one in a gallon of water.

 

[miamaefarms]

Thanks