One day last fall I ran an experiment, frozen/salted vs. live minnows. On that day, the perch preferred the frozen/salted minnows 3:1 over the live minnows. Not saying that will be the result every time.

I started salting and freezing my left over minnows a couple years ago after a trip when the bait stores had run out. Now I take a supply and keep them in a cooler, "just in case."

John