Your local well driller can get Gravel Pack from fine sand to pea gravel in 50# bags. A little more $ but lots of options that are okay for drinking water so should not have many allergic reactions. I have a dirt floor in my coop. I spread straw but leave areas for the chickens to scratch/play...
Here in Michigan I do a lot of ice fishing. We can always catch a lot of little perch and bluegill. We let the fish lay on the ice and freeze. When we get home, what doesn't make it on the supper table(the ones that are too small to bother with and the guts, etc. from the rest.) go through my...
Here in Michigan I built my chicken coop close to a couple of ant mounds. The chickens loved eating the ants! They used the loose dirt to dust bathe and to eat for grit. I live north of the 45th parallel, so ants don't really bite and they are not very big.
I would love to get to go to...