I'm also really wondering about the "wait and see" approach, as three of our hens are showing no signs of any problem. Our son only found it on the other three by examining the rest of the flock after finding it on one. The one we did treat had a spot on the bottom of her foot and also the...
No advice, but we're dealing with the same thing here - four out of six hens affected. However, it doesn't seem to be bothering any of them; they run around just fine. Our roosts are 2x4's with the square edges rounded off a little. I think we'll sand their roosts again just to see if that...