On Jun 22, 10:29*am, dpb wrote:
wrote:

...

If they will eat Amdro it works fairly well but if it has been used
much around your area they will not eat it anymore. ...

I've never seen that after 10 years or so...but that, of course, is
application as noted above on specific colonies/hills, not broadcast
over an entire area. *That would, over time if continued, undoubtedly
breed either avoidance and/or resistance. *Not a smart thing to do...

--

Nor I if you use fresh Amdro. But I have seen them completely ignore
Amdro that has been opened and sitting for a year or two. Evidently
it loses its attractiveness to them.

KC