spilled feed

my daughter spilled the feed on the way back down to the house in the grass. It rained and I noticed today it’s growing all this white furry mold I’m assuming. What can I do to get rid of this ? Wash it away with water? Won’t that just spread it around? Idk what to do about it. It’s a pretty...

I've seen a couple threads about this but none that were regarding ducks so I thought I'd post this here in hopes someone has advice! As we all know, ducks the messiest creatures around, and while I made a "no spill" feeder by cutting holes in a 5-gallon bucket for them to eat out of, they still...