Does anyone here supplement their birds with resistant starch (RS)? For those unaware, RS is not very digestible in the digestive tract, but it moves on into the intestines to feed the good bacteria there. For people, good RS sources are green bananas/plantains, cooked and cooled potatoes/beans, and potato starch. I thought about getting some Bob's Red Mill unmodified potato starch to add to the chickens' feed. Has anyone else ever given their birds potato starch? I'm interested in the results.