They work, but a chicken can peck a hole in them, and I’m not willing to test whether or not this a health hazard. The best answer when in doubt is to rely on common sense…. use what works, just be creative.
Using Ant Baits, Safely
Put an ant bait under under a heavy flower pot, or a ceramic saucer with a brick on top. I keep an ant bait under a flower pot with a drinker on top. It isn’t necessary to put ant baits by food and water, they are just as effective whether in or around the coop.
It’s possible an ant could drop a teeny tiny piece of pesticide on it’s way back to the colony, but I don’t think there’s a big concern there. But for that reason, I only put out baits when I have an ant problem, when they’re gone I throw them away. I’ve being using ant baits periodically for ten years with no problems. I’ve tried all the natural ant remedies, and in my opinion, they’re all a big fail.
Examples of Ant Bait Placement
Below is my Silkie hen setting on five eggs, this morning her nest was swarming with ants. It wasn’t worth the risk of her abandoning her eggs because she was bothered by ants. The temperature will be 109 degrees today, she’s hot and probably already uncomfortable. This is a perfect example of when to get out the big guns and tackle ants effectively and as safely as possible. Here’s what I did..
My large chicken pen also has an ant problem since the rain a few days ago. I secured an ant trap under a flower pot and none of the chickens are the least bit curious about it.