It can't be rat poison because none has been put down. There could be some under the house, but that's completely closed off--no animals can get in there. We don't have any pokeweed in the pastures, and there are no berries in the yard or pasture either (and if there were, the sheep would get...
I've noticed recently that some of my free-range chickens have started producing blue feces (blue when it would normally be a more olive green). I haven't changed anything feed-wise. I have put lime down on some patches of the lawn where I had ducklings caged--to keep flies and dogs out of the...