I found a study from the Alabama cooperative Extension that discussed feeding chickens. Now you all probably know this already, but in the chart they showed how many pounds per 100 chickens was consumed on different protein feeds. It went from something like 18 lbs./100/day on 21% to 24 lbs/100/day for 16%. So you would use an extra 60 lbs/100 per month if you used the 16%. So doesn't that mean that the cost of the higher protein would even out because you would use less? Now I just like the higher protein so I can throw them more grain, but if you fed each plain it wouldn't be that much more expensive. I found it interesting since we have had so many "protein" discussions.