I've never had a problem with Guinea hens and my other livestock.
It's never too late to start! I retired to homestead on the slopes of Mauna Loa, an active volcano. I relate snippets of my endeavor on my blog : www.kaufarmer.blogspot.com
Bring me the box labeled "thinking cap" ... and then read this tiny ad:
Looking for cold-climate growers to join a GOOF livestream panel (Missoula)