My chicken love their scratch. They also gobble up the mash. If I put out mash dry, they kick and spread it all over the place, so I find they waste less if I serve it to them wet. I'd love to leave food out for them all the time, but the waste would be astronomical. I got to thinking this morning, how about making a feed block, that consists of both mash and scratch? Also maybe form it with a hole in the middle so it can be tied to a rope and raised off the ground when when needed. That would serve multiple purposes.