Amprolium - Bad for Ducklings?

[houlahoula]

I just purchased:
Brown's Encore Natural Chick Starter Baby Chicken Feed, 7-lb bag https://app.chewy.com/bbPsklFgrM

I thought it was non-medicated. After reading the packaging thoroughly, it has Amprolium added.
I am hatching ducklings this weekend and need a starter crumble without medication added. I am having difficulty finding it anywhere! My local feed stores - Nope
I wanted to buy a smaller bag to start. Anyone have supplier or resource to suggest? Please help I wanna start these babies off right if I’m lucky enough to hatch call ducks for the first time.

 

[JaeG]

Amprolium is absolutely fine to feed ducklings at the correct dosages found in medicated feeds. It's one of those myths that abound in this hobby. Studies have been carried out:
https://www.ncbi.nlm.nih.gov/pubmed/6878147