Has anyone ever tried this? Couple of ?s

[bigspringshatchery]

I seen this in walmart today and it made me think. It's a deer block but would it work with chickens? And what about all the deer attractants in the bags. I know they are mostly rice bran. So could I Fred these or just plain rice bran as a treat only. Say a cup a day to 12 hens.

 

[7L Farm]

You can get flock block at TSC for 10 bucks.