Question: is peppermint essential oil safe for chickens?
Answer: Why it's good for chickens: Peppermint oil helps to repel flies. We add it to our homemade bug spray for humans, too! How to use it: Mix 30-40 drops Peppermint oil with 2.5 gallons water and spray it around the coop and chicken run. Reapply after every rain or heavy dew.